Tornadoes rip through Dallas metro area

By: AngelaFritz , 9:36 PM GMT on April 03, 2012

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At least three tornadoes have ripped through the Dallas metro area this afternoon, one passing between Dallas and Fort Worth, bearing down on the Dallas-Fort Worth airport but narrowly missing to the east. The other two tornadoes passed east of Dallas, one touching down near the town of Forney, where there were reports of impacts to the high school. The DFW airport issued a ground stop for all incoming flights and grounded all planes at their airports, and a spokesman said they were sheltering passengers. The airport is now closed while they inspect the planes for hail damage, and can accept no incoming flights for lack of a place to put them.

Residential neighborhoods were completely destroyed in the Arlington tornado, and tractor trailers were tossed like toys. Extensive damage was done to the Green Oaks nursing home and rehab center, which is just east of Lake Arlington. The Arlington tornado was on the ground for approximately 30 minutes. In addition to the tornadoes, trained storm spotters were reporting hail up to three inches in diameter, which is approximately the size of a baseball.

The mayor and city council of Arlington, Texas declared a state of disaster for the city when, just an hour after the tornado had passed through, it was obvious that the area had sustained incredible damage.

Tornado warnings continue to be issued, and the potential for severe thunderstorms with and tornadoes will continue through the evening in eastern Texas, Oklahoma, southern Arkansas, and Louisiana. The convective outlook paints a good picture of the tornado potential for the rest of the evening. If you're in one of these regions, stay alert for tornado watches or warnings that may be issued.


Radar reflectivity of the tornadic thunderstorms as they passed over the Dallas metro area this afternoon. The storms that produced tornadoes are circled, and Arlington, Texas has been pointed out on the map.


Tornado warnings (red) and severe thunderstorm warnings (yellow) at the time two tornadoes were passing to the east and west of Dallas, Texas.


Video of the Arlington tornado developing as it crosses US-287 near Sublett Road, from Twitter user @wesstevens.



Video 2. Dramatic video of semi-trailers being tossed more than 100 feet in the air by the Lancaster, Texas tornado of April 3, 2012.

Angela

Forney Tornado (ClockworkLemon)
Tornado that hit Forney, TX 4/3/12
Forney Tornado
Forney Tornado (ClockworkLemon)
Tornado that hit Forney, TX 4/3/12
Forney Tornado
Iowa Hail (RevMac)
A co-worker was describing the severe storm that rolled through eastern Iowa Saturday night and mentioned golf ball sized hail that damaged his home. He produced this photo as evidence. I told Nathan I would share with the WU family.
Iowa Hail
Large Hail (wecarver50)
Hail from April 3 storms in Dallas, Tx
Large Hail

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Quite a gush of cloud into the gulf just now:

http://www.ssec.wisc.edu/data/geo/index.php?satel lite=east&channel=vis&coverage=conus&file=gif&imgo ranim=8&anim_method=flash

It seems to the eye counter-intuitive a there doesn't seem to be any obvious cold front and the low to the left would suggest that the air should be trending north there. I guess it must be a cold front, but seems weird nonetheless.
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Quoting TropicalAnalystwx13:
This is still in fantasy land, so I am not getting my hopes up. However, the GFS shows a fantastic setup for Severe Weather starting on April 14, and lasting through April 16-17. The 12Z model trended more aggressive than previous runs, and the more reliable ECMWF has an even more potent storm system ejecting into the plains. Something to watch for sure.



You're right, it does look like fantasy land, but if the models stick with it, that would almost be sickening to see the results.
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Quoting PedleyCA:
Seems he got banned one too many times.
He went to that other site and it seems from
something I just tried to post here that the WU
is absorbing that unnamed site on May 12th.

Now BE truthful about this! I mean I get e-mails about this guy from hagged seasoned users, seeking asylum,( Hands up please,)
It must be bad enough being in the same hemisphere as him but all I can offer is condolences,( he doesn't have a passport,doe's he?)
With friends like that you don't need enemies!
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Calendars are useful tools, as are reading glasses?
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Quoting GOW11:
Ok, usually a lurker as I dont know much, but yall just confused me. I thought the warmer the water, the more storms and more intense they would be. Why are so many suggesting a slower season. Be gentle, Im not the brightest on this subject..... Thanks.
A lot of factors come into play that determine whether or not we have an active season, but one of the most important is if we have an El Niño or La Nina present in the eastern Pacific. This year it looks like the La Nina will have died and transitioned to an El Niño. El niño is warmer water in the eastern Pacific along the coast of central America and northern South America. Warmer water equals rising air. Rising air must go somewhere, and that is usually eastward in the upper atmosphere. Stronger eastward air currents shear the tops of thunderstorms, thus shearing the tops of thunder storm waves that come of the west African coast, the seeds of most hurricanes. Thus, fewer hurricanes due to fewer waves developing into the initial low pressure areas that usually become first tropical storms.
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Quoting LargoFl:
SEVERE THUNDERSTORM WARNING
FLC097-050000-
/O.NEW.KMLB.SV.W.0006.120404T2305Z-120405T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
705 PM EDT WED APR 4 2012

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
OSCEOLA COUNTY IN FLORIDA

* UNTIL 800 PM EDT.

* AT 702 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 6 MILES
NORTH OF LAKE KISSIMMEE...AND MOVING NORTHEAST AT 15 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE...BUT ARE NOT LIMITED TO...
HOLOPAW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 58 MILES AN
HOUR AND OR LARGE DESTRUCTIVE HAIL. FREQUENT TO EXCESSIVE LIGHTNING
AND VERY HEAVY RAIN WILL ALSO BE LIKELY. IF THE STORM APPROACHES
YOU...SEEK SHELTER IN AN ENCLOSED BUILDING ON THE LOWEST FLOOR. KEEP
AWAY FROM WINDOWS.

&&

LAT...LON 2830 8098 2794 8088 2784 8127 2785 8128
2787 8131 2790 8132 2792 8132 2794 8135
2795 8135 2798 8138 2801 8140
TIME...MOT...LOC 2304Z 245DEG 14KT 2801 8128

$$


KELLY


This line is heading your way. Hopefully it holds.
Member Since: October 26, 2011 Posts: 0 Comments: 2651
Quoting PedleyCA:
Seems he got banned one too many times.
He went to that other site and it seems from
something I just tried to post here that the WU
is absorbing that unnamed site on May 12th.



oh???
Member Since: Posts: Comments:
This is still in fantasy land, so I am not getting my hopes up. However, the GFS shows a fantastic setup for Severe Weather starting on April 14, and lasting through April 16-17. The 12Z model trended more aggressive than previous runs, and the more reliable ECMWF has an even more potent storm system ejecting into the plains. Something to watch for sure.



Member Since: Posts: Comments:
SEVERE THUNDERSTORM WARNING
FLC097-050000-
/O.NEW.KMLB.SV.W.0006.120404T2305Z-120405T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
705 PM EDT WED APR 4 2012

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
OSCEOLA COUNTY IN FLORIDA

* UNTIL 800 PM EDT.

* AT 702 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 6 MILES
NORTH OF LAKE KISSIMMEE...AND MOVING NORTHEAST AT 15 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE...BUT ARE NOT LIMITED TO...
HOLOPAW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 58 MILES AN
HOUR AND OR LARGE DESTRUCTIVE HAIL. FREQUENT TO EXCESSIVE LIGHTNING
AND VERY HEAVY RAIN WILL ALSO BE LIKELY. IF THE STORM APPROACHES
YOU...SEEK SHELTER IN AN ENCLOSED BUILDING ON THE LOWEST FLOOR. KEEP
AWAY FROM WINDOWS.

&&

LAT...LON 2830 8098 2794 8088 2784 8127 2785 8128
2787 8131 2790 8132 2792 8132 2794 8135
2795 8135 2798 8138 2801 8140
TIME...MOT...LOC 2304Z 245DEG 14KT 2801 8128

$$


KELLY
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Thunderstorms closing in on Tampa. Boy talk about a shot forecast! Also these storms moving toward Melbourne are severe. Warnings are out on these cells.



Member Since: October 26, 2011 Posts: 0 Comments: 2651
Quoting PedleyCA:
Did Beater Know this before he defected.

Link

Um?

EDIT: Nevermind.
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Let me try again
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Quoting PedleyCA:
Did Beater Know this before he defected.

Link


Beater is gone? I guess I need to read back to see what happened? Unless someone wants to save me the trouble and tell me?
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Did Beater Know this before he defected.

Link
Member Since: Posts: Comments:
Quoting Some1Has2BtheRookie:


I would upgrade to Win 3.11. Should you then put C:\Windows at the beginning of the path statement, in the autoexec.bat file, you could run Windows in 32 bit mode. You should see a big improvement by doing this. Oh, yes. Install DOS 6.22 first and this will give you a little more, dare I say, byte as well. ... Let me know how it works. ;-)


DOS 6.22 is so passe. Use FreeDOS. ;)
Member Since: October 31, 2009 Posts: 0 Comments: 1655
Member Since: November 6, 2010 Posts: 12 Comments: 8473
Quoting Grothar:


You want to run that by us again? Whether or not you want to. (How you doing, Nigel?)

I'm good Grothar...i was just saying that the forecast from the CSU is more likely if we had a moderate to strong el nino
Member Since: November 6, 2010 Posts: 12 Comments: 8473
Not wanting to climb onto a soap box and whisper too loud but:-
Wheres that Bleater tonight?

Does anybody have any theories on what might happen with that blob West of Panama, if is should slide a trifle to the East?
Member Since: Posts: Comments:
528. GOW11
Ok, usually a lurker as I dont know much, but yall just confused me. I thought the warmer the water, the more storms and more intense they would be. Why are so many suggesting a slower season. Be gentle, Im not the brightest on this subject..... Thanks.
Member Since: Posts: Comments:
Quoting nigel20:

I agree that if we get a moderate to strong el nino those numbers would be ideal as i made the same point earlier, but it,s yet to be seen whether or not we will seen weather or not we will see a moderate to strong el nino


You want to run that by us again? Whether or not you want to. (How you doing, Nigel?)
Member Since: Posts: Comments:
526. wxmod
These are enhanced MODIS satellite photos showing jet traffic exhaust over AZ (top) and Southern California (bottom). Looks like horizontal scratches.





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Quoting Patrap:
Gulf Of Mexico - Rainbow Loop

..click image for Loop


That's a large blob!
Member Since: November 6, 2010 Posts: 12 Comments: 8473
Quoting CybrTeddy:
If we get a 2006 and 2009 pattern going on, which are not the analogs for this year, this season will be pretty inactive with much of the activity spread out in the Atlantic.

If we get a 2002 pattern going on this year, which is an analog year, a lot of the storm formation areas will be focused in the Gulf of Mexico. Imagine it this way, if 6 of our 10 storms get into the GOMEX this year and hit the USA - one of them being a major hurricane, everyone would remember 2012 as being a bad year.

agree with you there CybrTeddy
Member Since: November 6, 2010 Posts: 12 Comments: 8473
Quoting TropicalAnalystwx13:
I think CSU has pretty much hit the nail on its head with 10-4-2. Should be lower if we do indeed get a Moderate-Strong El Nino, and higher if we get a strong Neutral.

I agree that if we get a moderate to strong el nino those numbers would be ideal as i made the same point earlier, but it's yet to be seen whether or not we will seen weather or not we will see a moderate to strong el nino
Member Since: November 6, 2010 Posts: 12 Comments: 8473
Quoting TropicalAnalystwx13:
I think CSU has pretty much hit the nail on its head with 10-4-2. Should be lower if we do indeed get a Moderate-Strong El Nino, and higher if we get a strong Neutral.

Although I would note, there is a good possibility the number of hurricanes is a little higher, especially with the unseasonably warm Gulf of Mexico Sea Surface Temperatures and extreme Vertical Instability.
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The sun is low now and the sky is this sickly glowing pinkyelloworangewhite color here in Atlanta.

It's almost like everything is seen through a faint haze from the smoke of a far off fire - but I don't think there are any of those burning right now.

The pollen count on the other hand is a lovely 11.20 out of 12.
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Quoting hydrus:
True..But the 04 Nino was not even official until September 10, so it took a while for it to affect the pattern. And it was very very weak. So weak in fact that the first named storm of the 2004 did not occur until July-31, but still managed 15 named storms for the 04 season...Which is a heck of a lot of storms when El-Nino is around..jmo....................................... ............................................NOAA ANNOUNCES THE RETURN OF EL NI%uFFFDO

NOAA satellite image of El Ni%uFFFDo taken Sept. 7, 2004.Sept. 10, 2004 NOAA declared today that El Ni%uFFFDo is back but this time around in a weaker state. "El Ni%uFFFDo conditions have developed in the tropical Pacific and are expected to last through early 2005," said Jim Laver, director of the NOAA Climate Prediction Center. "At this time it is not clear what, if any, impacts this event will have on ocean temperatures in the classical El Ni%uFFFDo region along the west coast of South America and on temperature and precipitation in the United States." (Click the NOAA satellite image for larger view of El Ni%uFFFDo taken Sept. 7, 2004. The warm sea surface temperatures in the eastern Pacific Ocean are represented in red. Click here for high resolution version, which is a large file. Please credit %u201CNOAA.%u201D)


The new El Nino/La Nina forecast should be coming out tomorrow. They have been called for Enso Neutral condition through May. It is normal for La Nina to dissipate in the Spring months in the Northern hemisphere. I personally do not see a strong El Nino developing any time soon. It will be interesting to read what the new report will have.

This is one of the first years I have to disagree with Dr. Gray. Whilst I don't think it will be a very above average season, I do believe his forecast is a little too conservative. I would tell him, but he scares me.
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Member Since: November 6, 2010 Posts: 12 Comments: 8473
Good evening.
For me twas not a lurkable day, so don't know if anyone has already posted this from NWS Ft. Worth.

NWS Ft. Worth April 3, 2012 Severe Weather Outbreak

"Preliminary and subject to change as new data arrive"

Lancaster-Hutchins EF2, max width 200 yards, max wind est 130 mph

Kennedale-Arlington EF2, 4.6 mi length, 400 yards max width, max wind est 135 mph

Forney-Rockwell County EF3, max wind est 150 mph

Add: Forney-Rockell twister has now been separated into two tornadoes with
Forney prelim rated EF3 and
Rockwall County prelim rated EF2
Member Since: Posts: Comments:
If we get a 2006 and 2009 pattern going on, which are not the analogs for this year, this season will be pretty inactive with much of the activity spread out in the Atlantic.

If we get a 2002 pattern going on this year, which is an analog year, a lot of the storm formation areas will be focused in the Gulf of Mexico. Imagine it this way, if 6 of our 10 storms get into the GOMEX this year and hit the USA - one of them being a major hurricane, everyone would remember 2012 as being a bad year.
Member Since: Posts: Comments:
I think CSU has pretty much hit the nail on its head with 10-4-2. Should be lower if we do indeed get a Moderate-Strong El Nino, and higher if we get a strong Neutral.
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Quoting Grothar:


Just get a new PC. It will be must easier. You had me confused at the 2nd thingy on the bottom.

No! Its simple!
I am remembering my past lives in advance now!
All you need to do is use both of the browser things at the same time.
The Chrome thing gets round when the videos get posted by those who don't know how to do it.
The IE thing gives you all your features that you are use too.
Just click on the Chrome thing to see the full posts and the IE thing to do anything else.
I'm running Widows 7, 64 bit with a large selection of add on's and auxiliary equipment.
I put my order in for a new body, but there is a backlog!
Member Since: Posts: Comments:
Gulf Of Mexico - Rainbow Loop

..click image for Loop

Member Since: July 3, 2005 Posts: 428 Comments: 129848
Quoting hydrus:
True..But the 04 Nino was not even official until September 10, so it took a while for it to affect the pattern. And it was very very weak. So weak in fact that the first named storm of the 2004 did not occur until July-31, but still managed 15 named storms for the 04 season...Which is a heck of a lot of storms when El-Nino is around..jmo....................................... ............................................NOAA ANNOUNCES THE RETURN OF EL NI%uFFFDO

NOAA satellite image of El Ni%uFFFDo taken Sept. 7, 2004.Sept. 10, 2004 NOAA declared today that El Ni%uFFFDo is back but this time around in a weaker state. "El Ni%uFFFDo conditions have developed in the tropical Pacific and are expected to last through early 2005," said Jim Laver, director of the NOAA Climate Prediction Center. "At this time it is not clear what, if any, impacts this event will have on ocean temperatures in the classical El Ni%uFFFDo region along the west coast of South America and on temperature and precipitation in the United States." (Click the NOAA satellite image for larger view of El Ni%uFFFDo taken Sept. 7, 2004. The warm sea surface temperatures in the eastern Pacific Ocean are represented in red. Click here for high resolution version, which is a large file. Please credit %u201CNOAA.%u201D)

Hey hydrus...you can see from the SST anomalies that most of the warming took place in the central pacific.
a warmer central pacific is known as a modiki (Japanese word for same, but different) el nino
Member Since: November 6, 2010 Posts: 12 Comments: 8473
Quoting Grothar:


They can affect both. In a system like this, they are normally supported by daytime heating. When the heating dissipates, they usually lose a great deal of their strength. If you look at post #501 by GeoffWPB, the link he posted gives a very good analysis of the system.


Actually, that Miami NWS discussion says very little about that 'system' in the Gulf. This is all it mentions about that particular feature:

.DISCUSSION...THE CURRENT SURFACE ANALYSIS SHOWS HIGH PRESSURE CENTERED OVER THE BAHAMAS WITH A BROAD AREA OF LOW PRESSURE ACROSS THE SOUTHEAST STATES. AN ASSOCIATED SQUALL LINE IS AFFECTING THE NORTHERN GULF OF MEXICO AND ADJACENT GULF COAST. THIS AREA OF CONVECTION WILL SLOWLY WEAKEN BUT LARGELY HOLD ITS
INTEGRITY WHILE WORKING EAST SOUTHEAST TOWARD NORTH FLORIDA TONIGHT. LOCALLY, ...
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Quoting PlazaRed:
Now this is interesting!
If I have the "Tonto," user log on page up, I also noticed that there is an extra icon in the bar thing at the bottom of the screen, where the Microsoft flag thing is.
If I log onto WU on both the Chrome thing and the IE thing at the same time then when the blog goes loco due to the inappropriate video posts, then I can click on the Chrome icon and see the full posts whilst having to tolerate the massive amount of white spaces on the page, I can then click back to IE and have the full bars and a lot less white visible for non interfered with pages.
You just learn something everyday and all down to note by TAZ.


Just get a new PC. It will be must easier. You had me confused at the 2nd thingy on the bottom.
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Quoting StormHype:
FYI - 2004 was an El Nino year. The significance of a season is all relative to path of the storms that do form.
True..But the 04 Nino was not even official until September 10, so it took a while for it to affect the pattern. And it was very very weak. So weak in fact that the first named storm of the 2004 did not occur until July-31, but still managed 15 named storms for the 04 season...Which is a heck of a lot of storms when El-Nino is around..jmo....................................... ............................................NOAA ANNOUNCES THE RETURN OF EL NI%uFFFDO

NOAA satellite image of El Ni%uFFFDo taken Sept. 7, 2004.Sept. 10, 2004 NOAA declared today that El Ni%uFFFDo is back but this time around in a weaker state. "El Ni%uFFFDo conditions have developed in the tropical Pacific and are expected to last through early 2005," said Jim Laver, director of the NOAA Climate Prediction Center. "At this time it is not clear what, if any, impacts this event will have on ocean temperatures in the classical El Ni%uFFFDo region along the west coast of South America and on temperature and precipitation in the United States." (Click the NOAA satellite image for larger view of El Ni%uFFFDo taken Sept. 7, 2004. The warm sea surface temperatures in the eastern Pacific Ocean are represented in red. Click here for high resolution version, which is a large file. Please credit %u201CNOAA.%u201D)
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good evening guys!
Member Since: November 6, 2010 Posts: 12 Comments: 8473
Quoting Grothar:


Estoy jugando. No es necesario. LOL

Que Sera, Sera.
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Now this is interesting!
If I have the "Tonto," user log on page up, I also noticed that there is an extra icon in the bar thing at the bottom of the screen, where the Microsoft flag thing is.
If I log onto WU on both the Chrome thing and the IE thing at the same time then when the blog goes loco due to the inappropriate video posts, then I can click on the Chrome icon and see the full posts whilst having to tolerate the massive amount of white spaces on the page, I can then click back to IE and have the full bars and a lot less white visible for non interfered with pages.
You just learn something everyday and all down to note by TAZ.
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Quoting StormHype:


Doesn't that day-time heating factor only apply to convection over land? Just curious.


They can affect both. In a system like this, they are normally supported by daytime heating. When the heating dissipates, they usually lose a great deal of their strength. If you look at post #501 by GeoffWPB, the link he posted gives a very good analysis of the system.
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The GOM blob appears to be driven by what's going on in TX/OK.
LinkWVLoop
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Quoting Grothar:
It is not likely this will hold together. Systems like these need the daytime heating to maintain themselves. Probably just a few heavy showers





Doesn't that day-time heating factor only apply to convection over land? Just curious.

BTW... it's showing up on TBW radar now and there are tops in two areas of 42K and 48K feet. Might be a little more than just heavy showers given that.
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Quoting PlazaRed:

Dirrection de Correos, por favor y posiblimente puedo hacer algo!A Mi WU Correos.


Estoy jugando. No es necesario. LOL
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Miami NWS Discussion

A FEW STRONG TO SEVERE THUNDERSTORMS POSSIBLE THURSDAY AND FRIDAY...
...CONTINUED VERY WARM, THEN TURNING COOLER THIS WEEKEND...
Member Since: Posts: Comments:
The next round is taking shape on the Texas coast and will come thru during the overnight hours here and toward dawn.






Member Since: July 3, 2005 Posts: 428 Comments: 129848
Scientific Forecaster Discussion
NWS Discussion
Return to Local Conditions & Forecast
Expanded Version (without abbreviations)Non-Expanded Version (with abbreviations)



Area forecast discussion
National Weather Service New Orleans la
311 PM CDT Wednesday Apr 4 2012


Synopsis...
slow moving upper level low over Texas Panhandle will drift east
tonight. Associated with the upper level low is a low pressure
trough in East Texas. The upper level low and trough will move
east tonight causing another round of thunderstorms and heavy rain
to develop across the area late this evening and over night. Used
consensus of GFS and European model (ecmwf) models as basis for forecast.


&&


Short term...
a few hours Grace before thunderstorms develop or move into the
area from the west tonight. There is a slight risk of severe
thunderstorms in the area. There is a even greater risk of 2 to 3
inches of heavy rain overnight. Most of the area got 2 to 3 inches
of rainfall during the past 24 hours...so the ground is saturated
and any heavy rain will result in flash flooding.
Member Since: July 3, 2005 Posts: 428 Comments: 129848

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