Dr. Jeff Masters' WunderBlog

Floods kill 16 in Arkansas; dozens missing
Posted by: Dr. Jeff Masters, 4:24 PM GMT on June 11, 2010 +2
Heavy rains in excess of seven inches fell over southwestern Arkansas overnight, triggering flash floods that killed at least sixteen people in Caddo Gap, in the rugged Ouachita Mountains. Forty people are missing, with dozens injured. The closest weather station to the disaster is Mount Ida, which recorded 7.16" of rain over the past 48 hours. The USGS is reporting that the Caddo River in Caddo Gap rose from 8.4 feet at 3am CDT to 25.39 feet in just five hours, reaching the 2nd highest flood height on the river since records began in 1989. The Little Missouri River west of Caddo Gap rose 20 feet overnight, from 3 feet to 23.5 feet. The previous highest flood in the 22-year record at this location was just 14.66 feet, set in 2008. You can look at local rainfall amounts and river flood levels in the region using our wundermap with the "USGS River" layer turned on.

Andy Revkin at the New York Times has a blog worth reading on the disaster.


Figure 1. Radar estimated rainfall for June 9 - 11 over Southwest Arkansas. Rainfall amounts in excess of eight inches are indicated for Caddo Gap, where today's flood disaster occurred.

Oil spill update
Southeast to south winds of 10 - 15 knots will blow today through Saturday, according to the latest marine forecast from NOAA. These winds will keep oil near the shores of Louisiana, Alabama, Mississippi, and the extreme western Florida Panhandle, according to the latest trajectory forecasts from NOAA and the State of Louisiana. The winds become light an variable Sunday through Tuesday, which will result in little movement of the spill. The long range 8 - 16 day forecast from the GFS model indicates a continued regime of light winds, mostly out of the south or southeast. This wind regime will likely push oil onto sections of the eastern Louisiana coast during the period 1 - 2 weeks from now.


Figure 2. The oil spill as imaged on June 10, 2010, by NASA's Aqua satellite.

Oil spill resources
My post, What a hurricane would do the Deepwater Horizon oil spill
NOAA's fact sheet on Hurricanes and the Oil Spill
My post on the Southwest Florida "Forbidden Zone" where surface oil will rarely go
My post on what oil might do to a hurricane
Oil trajectory forecasts from NOAA
Gulf Oil Blog from the UGA Department of Marine Sciences
Oil Spill Academic Task Force
University of South Florida Ocean Circulation Group oil spill forecasts
Synthetic Aperture Radar (SAR) imagery from the University of Miami

The tropical Atlantic is quiet right now, with no models predicting tropical cyclone development over the next seven days. I'll have a new post either Saturday or Monday.

Jeff Masters
Wicked sky (vanpet)
Storm front pushing through jacksonville Arkansas!
Wicked sky
flash flood russellville arkansas friday june 11th 2010 (yfoog)
flash flood russellville arkansas friday june 11th 2010
flash flood russellville arkansas friday june 11th 2010
Categories: Flood
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1601. MiamiHurricanes09 7:52 PM GMT on June 12, 2010    
Our AOI is really impressing me on satellite imagery. Just looked at the shear map and there seems to be an anticyclone located NE of the strongest convection. They do not seem to be related though.




Member Since: September 2, 2009 Posts: 129 Comments: 20011
1602. stormwatcherCI 7:53 PM GMT on June 12, 2010    
Every day it gets hotter and hotter down here. Temp today 95F with a heat index of 108F.
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1603. MiamiHurricanes09 7:54 PM GMT on June 12, 2010    
Quoting beell:


Would not surprise me to see a very strong ridge build in behind the long wave trough moving across the N ATL and keep this nice looking disturbance on a more westerly track.
The only place that shear would allow for development is where it is now or near the Bahamas. Anyone know when the TUTT should lift north of the Caribbean?
Member Since: September 2, 2009 Posts: 129 Comments: 20011
1605. beell 7:58 PM GMT on June 12, 2010    
Quoting MiamiHurricanes09:
The only place that shear would allow for development is where it is now or near the Bahamas. Anyone know when the TUTT should lift north of the Caribbean?


Not anytime soon. Laid out W to E, with a base in the western Caribbean and TUTT axis along 20N.
Member Since: September 11, 2007 Posts: 126 Comments: 13069
1606. MiamiHurricanes09 8:01 PM GMT on June 12, 2010    
Quoting SiestaKeySam:


Levi, do you think that it'll end up surviving the blood-bath that awaits it in the carib., in a couple of days from now?
Well there, at the moment, is still uncertainty of where it will go. This area could just go north into the subtropical Atlantic, it could also go into the Caribbean or the Bahamas region. At the moment it seems like it will go into the Caribbean, if the TUTT is still in place in the Caribbean expect the system to lose most if not all convection and its circulation. In 72 hours we should have a better handle on where it'll go, but at the moment, too much uncertainty.
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1607. MiamiHurricanes09 8:02 PM GMT on June 12, 2010    
Quoting beell:


Not anytime soon. Laid out W to E, with a base in the western Caribbean and TUTT axis along 20N.
Ouch. Yeah, Caribbean should stay as a dead-spot for a while. The Bahamian region looks like the only place favorable for development at the moment.
Member Since: September 2, 2009 Posts: 129 Comments: 20011
1609. MiamiHurricanes09 8:03 PM GMT on June 12, 2010    
1900 UTC

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1611. xcool 8:04 PM GMT on June 12, 2010    
lmao
Member Since: September 26, 2009 Posts: 2 Comments: 15526
1614. MiamiHurricanes09 8:08 PM GMT on June 12, 2010    
Quoting btwntx08:
i think that sam is ____ again
Oh he is, but he's behaving properly.
Member Since: September 2, 2009 Posts: 129 Comments: 20011
1619. MiamiHurricanes09 8:15 PM GMT on June 12, 2010    
Quoting StSimonsIslandGAGuy:
As long as she behaves properly, who cares? If she misbehaves she'll be dealt with.


Good news. More than 6% of the way through the season, and no imminent development forecast.

Beware the ides of August.
6%, really? I don't think we'll pass 15% without our first named storm.
Member Since: September 2, 2009 Posts: 129 Comments: 20011
1620. wunderkidcayman 8:16 PM GMT on June 12, 2010    
guys I think that shear should start to push out of the Caribbean between the next 72-120 hours and the GOM and Bahamas should become unfavorable for development
Member Since: June 13, 2009 Posts: 2 Comments: 5997
1622. leo305 8:17 PM GMT on June 12, 2010    
Quoting MiamiHurricanes09:
You really can't give a time-frame but instead coordinates. Looking at the latest shear map, when the system passes 15N is when development will be prohibited.



and then as it moves WNW it will move into VERY favorable conditions..

if it becomes a TD before hand
Quoting MiamiHurricanes09:
The only place that shear would allow for development is where it is now or near the Bahamas. Anyone know when the TUTT should lift north of the Caribbean?


anywhere north of the carribean and west of the antilles is favorable for tropical development, in other words it needs to survive the area of shear to its North west, and then move north of the islands and towards the bahamas for development *which isn't unlikely*
Member Since: April 17, 2010 Posts: 0 Comments: 1752
1623. Jedkins01 8:17 PM GMT on June 12, 2010    
Its 99 here at my location in pinellas county FL. You don't see actual highs like this very often... It usually just feel well over 100, but not usually actual temps this high. Man this just isn't typical June weather at all. PW is finally up near 2.00 inches again, but with this little convection today you would think it was drier. This is all thanks to a stubborn upper high inducing warm sinking air. Unfortunately it doesn't matter if we get equator like moisture content, its hard to get widespread thunderstorms when a big upper high is right over you.
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1624. MiamiHurricanes09 8:19 PM GMT on June 12, 2010    
Quoting SiestaKeySam:
Anyhow, I'll be back on later on today, when the ''elite'' bloggers decide to reemerge. Since there isn't much to do on here, right now. Have a good afternoon, all.
Drakoen, StormW, and Levi32 were on a couple of minutes ago. I consider then "elite". Lol.
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1626. Jedkins01 8:22 PM GMT on June 12, 2010    
This year in June has been VERY similar to last June. Started off wet and stormy, then got super hot and humid, but high pressure suppressed storms almost all the way through the rest of the month, till then end where we got drenched by wicked lightning producers. Then the rest of the wet season was hyper active.

Hopefully that will happen again this year. Thats the one positive side to upper level highs in Florida, they cause such massive heating of the water temps, that once high pressure collapses, the extra humidity and energy from the the hot steamy waters make the rest of the Florida wet season hyper active.
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1628. IKE 8:23 PM GMT on June 12, 2010    
From the afternoon San Juan,PR discussion....

"RATHER IMPRESSIVE TROPICAL WAVE FOR THIS EARLY IN THE SEASON
ANALYZED ALONG 35W HAS A BROAD SFC CIRCULATION. THERE IS STILL A
SMALL WINDOW OF OPPORTUNITY FOR DEVELOPMENT WITHIN THE NEXT 36 HRS
BEFORE IT ENCOUNTERS STRONG SHEAR NORTH OF ABOUT 12N. 12Z GFS DOES
NOT LONGER INDICATE DEVELOPMENT OF THIS WAVE AND ALL GUIDANCE XCPT
12Z CANADIAN INDICATE THIS WAVE APPROACHING PR/USVI NEXT FRI AS AN
OPEN WAVE."
Member Since: June 9, 2005 Posts: 23 Comments: 37070
1630. Jedkins01 8:31 PM GMT on June 12, 2010    
Quoting StSimonsIslandGAGuy:
We've had 95 and 96 Jed, but no 99s yet this summer.

We had 0.21" of rain at the house yesterday. Our heaviest rainfall since May 4th.


Hah, we have had 3 straight days of upper 99's, and nearly a weak of mid 99's or better now!

Man thats even drier than us though. I'm just glad this year had a rather wet dry season. Our year to date is 27 inches so far, still slightly above normal considering we will likely get almost double that between this upcoming July and september.

So far we have had 3.75 inches this month, but that all fell from one huge storm we had off the gulf overnight when a lone shortwave passed overhead. Other then that this month has been very dry, grass is starting to look bad from such relentless baking heat.


We should get a few big storms even in this drier pattern though, because moisture will be plenty high to fuel any storms that pop, its just not much convection will develop in such strong subsidence aloft. But Ive seen us got some monster lightning producers in this pattern before, due to all the heat energy to fuel the few storms that due pop up.
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1631. CycloneUK 8:31 PM GMT on June 12, 2010    
You got lucky USA!
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1632. MiamiHurricanes09 8:31 PM GMT on June 12, 2010    
Quoting SiestaKeySam:
To me, these are all of the elite bloggers from this blog, that I know to ''date'': Drakoen, Levi, Weather456, Hurricane23, StormW, Nash28, Ike, KMan, and a handful of otehrs, but sadly, I've forgotten what most of their avatar screen names were, :(.
That just proves you are ***.
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1635. MiamiHurricanes09 8:34 PM GMT on June 12, 2010    
Quoting CycloneUK:
You got lucky USA!
LOL, it ended a draw.
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1636. xcool 8:34 PM GMT on June 12, 2010    
hmm SiestaKeySam
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1637. CypressJim08 8:35 PM GMT on June 12, 2010    
Quoting CycloneUK:
You got lucky USA!


We didn't get lucky your team just has a terrible goaltender.
Member Since: August 4, 2008 Posts: 0 Comments: 28
1638. VAbeachhurricanes 8:36 PM GMT on June 12, 2010    
Quoting CycloneUK:
You got lucky USA!


yeah, I hope BP doesn't hire that guy to stop the oil leak...
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1639. MiamiHurricanes09 8:36 PM GMT on June 12, 2010    
Quoting SiestaKeySam:
It's good to see that the local NWS in PR is watching over the wave; although, they've got very little to worry about, in reference to it.
If the CMC is right, they could receive some heavy rains and gusty winds in the 6 to 9 day time-frame.
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1640. MiamiHurricanes09 8:36 PM GMT on June 12, 2010    
Quoting CypressJim08:


We didn't get lucky your team just has a terrible goaltender.
True, lol.
Member Since: September 2, 2009 Posts: 129 Comments: 20011
1641. IKE 8:38 PM GMT on June 12, 2010    
Quoting btwntx08:

someone posted this on 1588 if u havent seen it


Thnaks...I looked back to post 1600...didn't go back far enough.
Member Since: June 9, 2005 Posts: 23 Comments: 37070
1643. Hurricanes101 8:39 PM GMT on June 12, 2010    
Quoting CycloneUK:
You got lucky USA!


You got lucky that ball hit the post in the 2nd half, or else England would have lost

Soccer is a game of chances, England had more possession time, but in the end their chances were very poor. US had the best chance of the 2nd half. US wasn't lucky, they fought hard and got 1 point. I bet that is 1 point more than most people would have thought they would have gotten from England.
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1644. IKE 8:40 PM GMT on June 12, 2010    
Quoting SiestaKeySam:


yes. but how likely is that?


Probably about 1 in 20.
Member Since: June 9, 2005 Posts: 23 Comments: 37070
1645. stormwatcherCI 8:41 PM GMT on June 12, 2010    
Quoting Jedkins01:
Its 99 here at my location in pinellas county FL. You don't see actual highs like this very often... It usually just feel well over 100, but not usually actual temps this high. Man this just isn't typical June weather at all. PW is finally up near 2.00 inches again, but with this little convection today you would think it was drier. This is all thanks to a stubborn upper high inducing warm sinking air. Unfortunately it doesn't matter if we get equator like moisture content, its hard to get widespread thunderstorms when a big upper high is right over you.
Where in Pinellas do you live ? My father lives in Dunedin.
Member Since: October 9, 2008 Posts: 0 Comments: 8063
1646. MiamiHurricanes09 8:41 PM GMT on June 12, 2010    
Quoting SiestaKeySam:


yes. but how likely is that?
Well the track is reasonable. Intensity, not so much.
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1648. PcolaDan 8:43 PM GMT on June 12, 2010    
.
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1649. CaribBoy 8:44 PM GMT on June 12, 2010    



Convection is increasing over the system and ... what time it is? 20.45z otherwise Diurnal Minimum where it is currently located. Impressive to say the least.
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1650. IpswichWeatherCenter 8:45 PM GMT on June 12, 2010    
Quoting Hurricanes101:


You got lucky that ball hit the post in the 2nd half, or else England would have lost

Soccer is a game of chances, England had more possession time, but in the end their chances were very poor. US had the best chance of the 2nd half. US wasn't lucky, they fought hard and got 1 point. I bet that is 1 point more than most people would have thought they would have gotten from England.


And the view from the men who invented the game of FOOTBALL and decided not to change the name *cough*:

ITS ALL ROBERT GREEN'S FAULT. Heskey did ok, but isn't a striker anymore, Lampard can't take freekicks to save a life. But other than that, Rooney was impressive, Lennon did well. Compared to the USA who just got yellow cards every 5 minutes. I expected a draw, especially considering recent form and tbh your ranked 14th compared to our 8th. But with Beckham and Ferdinand and James all back and fit you wouldn't have stood a chance.
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1651. CycloneUK 8:45 PM GMT on June 12, 2010    
Quoting Hurricanes101:


You got lucky that ball hit the post in the 2nd half, or else England would have lost

Soccer is a game of chances, England had more possession time, but in the end their chances were very poor. US had the best chance of the 2nd half. US wasn't lucky, they fought hard and got 1 point. I bet that is 1 point more than most people would have thought they would have gotten from England.


If the US get out of the group stages they'll get crushed! England have it to go all the way.
c'mon England!
Member Since: March 5, 2010 Posts: 0 Comments: 39

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About JeffMasters
Jeff co-founded the Weather Underground in 1995 while working on his Ph.D. He flew with the NOAA Hurricane Hunters from 1986-1990.

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