Dr. Jeff Masters' WunderBlog |
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| Posted by: Dr. Jeff Masters, 1:41 PM GMT on April 23, 2010 | +1 |



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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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234
WFUS54 KSHV 240112
TORSHV
ARC073-091-240200-
/O.NEW.KSHV.TO.W.0020.100424T0112Z-100424T0200Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
812 PM CDT FRI APR 23 2010
THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A
* TORNADO WARNING FOR...
NORTHERN LAFAYETTE COUNTY IN SOUTHWEST ARKANSAS...
THIS INCLUDES THE CITIES OF...STAMPS...LEWISVILLE...
EAST CENTRAL MILLER COUNTY IN SOUTHWEST ARKANSAS...
* UNTIL 900 PM CDT
* AT 811 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR FOUKE...OR
16 MILES SOUTHEAST OF TEXARKANA...MOVING EAST NORTHEAST AT 35 MPH.
TREES WERE REPORTED DOWNED EARLIER NEAR QUEEN CITY TEXAS WITH THIS
STORM. THIS IS A DANGEROUS SITUATION. IF YOU LIVE IN THE PATH OF
THIS STORM...TAKE COVER IMMEDIATELY.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
GARLAND...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WARNING MEANS THAT STRONG ROTATION HAS BEEN DETECTED IN THE
STORM. A TORNADO MAY ALREADY BE ON THE GROUND...OR IS EXPECTED TO
DEVELOP SHORTLY. IF YOU ARE IN THE PATH OF THIS DANGEROUS STORM...
MOVE INDOORS AND TO THE LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM
WINDOWS. IF DRIVING...DO NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS
NATIONAL WEATHER SERVICE SHREVEPORT LA
809 PM CDT FRI APR 23 2010
ARC073-091-TXC067-240115-
/O.CON.KSHV.TO.W.0018.000000T0000Z-100424T0115Z/
LAFAYETTE AR-MILLER AR-CASS TX-
809 PM CDT FRI APR 23 2010
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 PM CDT FOR CASS...
MILLER AND LAFAYETTE COUNTIES...
AT 804 PM CDT...DOPPLER RADAR CONTINUES TO SHOW VERY STRONG INDICATIONS
OF A TORNADO ON THE GROUND JUST WEST OF FOUKE ARKANSAS. IF YOU LIVE IN
THE FOUKE COMMUNITY. TAKE COVER IMMEDIATELY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WARNING MEANS THAT STRONG ROTATION HAS BEEN DETECTED IN THE
STORM. A TORNADO MAY ALREADY BE ON THE GROUND...OR IS EXPECTED TO
DEVELOP SHORTLY. IF YOU ARE IN THE PATH OF THIS DANGEROUS STORM...
MOVE INDOORS AND TO THE LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM
WINDOWS. IF DRIVING...DO NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.
&&
LAT...LON 3337 9375 3303 9372 3302 9384 3303 9404
3300 9405 3298 9432 3314 9436
TIME...MOT...LOC 0108Z 251DEG 34KT 3322 9389
$$
13
* TORNADO WARNING FOR...
NORTHERN LAFAYETTE COUNTY IN SOUTHWEST ARKANSAS...
THIS INCLUDES THE CITIES OF...STAMPS...LEWISVILLE...
EAST CENTRAL MILLER COUNTY IN SOUTHWEST ARKANSAS...
NEXRAD Radar
Shreveport, Composite Reflectivity Range 124 NMI
/>
he is in texarkana, heading east on highway 82, should catch up to the storm from behind on highway 82
LAT...LON 33.29 93.42 3326 9342 3326 9347 3323 9347
3318 9391 3328 9396 3349 9355 3348 9350
He needs to get there now. The tornado is moving ENE at 35 MPH.
he is trying, he is pretty much playing catch up right now because he accidentally went too far west on I-30, but he is enroute now
Shreveport, Composite Reflectivity Range 124 NMI
severe=0&rainsnow=0&lightning=1&smooth=0" alt="" />
Tropical Cyclone Advisory
TROPICAL CYCLONE SEAN (13U)
9:00 AM WST April 24 2010
======================================
At 8:00 AM WST, Tropical Cyclone Sean, Category 2 (988 hPa) located at 15.5S 113.0E or 710 km northwest of Karratha and 730 km north of Exmouth has 10 minute sustained winds of 55 knots with gusts of 80 knots. The cyclone is reported as moving south-southwest at 6 knots.
Storm Force Winds
==================
20 NM from the center
Gale Force Winds
===================
50 NM from the center in northern quadrants
80 NM from the center in southern quadrants
Dvorak Intensity: T4.0/4.0/D1.0/24HRS
Forecast and Intensity
======================
12 HRS: 16.5S 112.5E - 55 knots (CAT 2)
24 HRS: 17.3S 111.7E - 60 knots (CAT 2)
48 HRS: 17.8S 108.6E - 40 knots (CAT 1)
72 HRS: 17.9S 102.2E - 30 knots (Tropical Low)
Addition Information
=====================
Deep convection persists near the low level circulation centre of Tropical Cyclone Sean. Dvorak analysis: Difficult to determine DT. MET of 4.0 based on developing [D] trend. PAT= 4.0, FT/CI = 4.0.
1155 UTC SSMIS microwave image and 1812 UTC AMSRE image showed a tilting vortex with the mid level centre displaced to the south.
Latest CIMSS shear analysis at 00 UTC indicates NW shear of about 15 knots. Some further development is possible overnight if the shear remains low and with ongoing upper-level poleward outflow associated with a large amplitude mid-latitude trough to the southwest.
Southwest motion is forecast in the next 24 hours although some southerly motion is also possible especially if the system deepens further. The lack of model support for a more southerly track is probably due to the failure to resolve a sufficiently deep/intense system. Once weakening commences, a shift to a more westerly track is likely owing to lower level steering winds.
Increasing northwesterly shear should result in weakening on Sunday and Monday although gales may persist on the southern side of the circulation assisted by westerly motion and a strengthening ridge to the south.
Moving Eastward, then stepping Northward.
Q-8 is getting squirrley
NATIONAL WEATHER SERVICE SHREVEPORT LA
840 PM CDT FRI APR 23 2010
ARC073-091-240200-
/O.CON.KSHV.TO.W.0020.000000T0000Z-100424T0200Z/
LAFAYETTE AR-MILLER AR-
840 PM CDT FRI APR 23 2010
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM CDT FOR MILLER
AND LAFAYETTE COUNTIES...
AT 838 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR IN SHREVEPORT
CONTINUED TO INDICATE STRONG ROTATION WITH A SEVERE THUNDERSTORM IN
NORTHWEST LAFAYETTE COUNTY ARKANSAS JUST SOUTHWEST OF LEWISVILLE.
THIS STORM CONTINUES TO MOVE TO THE EAST NORTHEAST NEAR 30 MPH. IF YOU
LIVE IN THE LEWISVILLE OR STAMPS COMMUNITIES...TAKE COVER IMMEDIATELY.
&&
LAT...LON 3329 9342 3326 9342 3326 9346 3323 9347
3322 9368 3337 9376 3349 9356 3348 9350
TIME...MOT...LOC 0138Z 247DEG 30KT 3333 9362
$$
13
Global SSTs compared to normal:
The 28.5C+ area in the Caribbean, shown in black lines, doesn't usually cover the extent it is at now until around late August!
Red_Bay, Base Reflectivity 0.50 Degree Elevation Range 124 NMI
247
WFUS53 KLSX 240151
TORLSX
ILC013-149-MOC163-240230-
/O.NEW.KLSX.TO.W.0022.100424T0151Z-100424T0230Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
851 PM CDT FRI APR 23 2010
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* TORNADO WARNING FOR...
NORTHERN CALHOUN COUNTY IN SOUTHWEST ILLINOIS...
SOUTH CENTRAL PIKE COUNTY IN WEST CENTRAL ILLINOIS...
EAST CENTRAL PIKE COUNTY IN NORTHEAST MISSOURI...
* UNTIL 930 PM CDT
* AT 848 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
STORM WAS LOCATED 5 MILES SOUTHWEST OF CLARKSVILLE...OR 11 MILES
SOUTHEAST OF LOUISIANA...AND MOVING NORTHEAST AT 20 MPH.
THIS STORM HAS A HISTORY OF PRODUCING TORNADOES. TAKE COVER NOW!
* LOCATIONS IMPACTED INCLUDE...
CLARKSVILLE...BELLEVIEW...PLEASANT HILL...NEBO...MARTINSBURG AND
SUMMER HILL.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW
...to 2009:
Real-Time U.S. Composite Satellite Animation
T Dude, have you talked to Cyclone Oz here recently?
yeah they have weak cell signal right now, he is pretty much in lewisville, hoping to gain better signal, I just got off the phone with him and he is going to wait out the new storms from there, should be back on the air soon
Thanks :o)
Shreveport, Base Reflectivity 0.50 Degree Elevation Range 124 NMI
severe=0&rainsnow=0&lightning=1&smooth=0" alt="" />
yup yup ha
that back building storm (p8) might go tornadic soon, I pray I didnt send him into a tornado
Viewing: 401 - 451
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