SE TX/SW LA weather: Much cooler and WET after Tuesday

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srainhoutx
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Re: SE TX/SW LA weather: Progressive Pattern

#2261 Postby srainhoutx » Sat Apr 11, 2009 7:44 pm

You're welcome Jen. Wish them a safe return and keep a blood shot eye out tonight/tomorrow morning. :lol:
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Re: SE TX/SW LA weather: Progressive Pattern

#2262 Postby srainhoutx » Sat Apr 11, 2009 9:18 pm

Latest Update from HGX...

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
852 PM CDT SAT APR 11 2009

.UPDATE...

.DISCUSSION...
UPPER LOW PROGRESSIVELY HEADING EAST OUT OF THE DESERT SW THIS
EVENING. 0Z 5H ANALYSIS HAD THE LOW`S CENTER ALONG THE AZ-NM
BORDER. ALTHOUGH SHORTWAVES ROTATING AROUND THE MAIN BASE OF THIS
LOW WILL ALWAYS MAKE SIMPLE INTERPOLATION IMPOSSIBLE...LINEAR
MOVEMENT HAS THE LEADING EDGE OF THIS FEATURE ENTERING OUR WESTERN
CWA DURING THE 07-09Z TIME FRAME. WATCHING WHAT THE 18Z NAM/GFS IS
PICKING UP ON...THE SHORTWAVE TRAVELING INTO EL PASO`S FA. THIS
DISTURBANCE IS EXPECTED TO HEAD E-SE AND RIDE UP THE COAST FROM
THE COASTAL BEND...ALONG WITH A ADJACENT SURFACE LOW (NEAR DRT AT
01Z)...THROUGH 12Z.


THUS...ENOUGH ARGUMENT TO RAISE MAJORITY OF CWA`S POPS INTO THE LIKELY
REALM FROM 03Z ON THROUGH 12Z.
ALL OF THE PAWNS ARE STILL IN PLACE
TO CHECK MATE AN EASTER SEVERE SITUATION.
THE WIND SHEAR IS THE MOST
GLARING...AS ANY STORM UPDRAFT WILL MOST LIKELY BE TURNING IN THE
LOWEST LEVELS. TIMED HIGHEST QPF TO FALL ACROSS SOUTHERN 2/3RDS OF
FA EARLY IN DAY...SHIFTING TO THE EAST-NORTHEAST...OR WHERE THE
BEST UPPER LEVEL DYNAMICS (SPLITTING 25H FLOW/EVOLVING RRQ PLACEMENT)
WILL RESIDE
.
31
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#2263 Postby JenBayles » Sat Apr 11, 2009 9:47 pm

Good Lord. It just keeps looking better and better, doesn't it? Thanks for posting the AFD srain.

I think I'm going to be the one with bloodshot eyes from watching the continually worsening forecasts and conditions and relaying them to our partying friends. I got confirmation from one of the four people I sent text messages to, so at least one of them is still sober enough to not only read, but comprehend... :lol:
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#2264 Postby JenBayles » Sat Apr 11, 2009 10:00 pm

Has anyone been watching the action out in west Texas this evening? Those storms pulse up to severe in a blink, and while they may not last long, more pop up in the wake like evil mushrooms. Uuuhhhh... what's it going to look like down here with more moisture to play with?
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Re: SE TX/SW LA weather: Progressive Pattern

#2265 Postby srainhoutx » Sat Apr 11, 2009 10:06 pm

SWS from Austin/San Antonio a bit earlier...

SPECIAL WEATHER STATEMENT...UPDATED
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
809 PM CDT SAT APR 11 2009

TXZ171>173-183>194-202>209-217>225-228-120600-
LLANO-BURNET-WILLIAMSON-VAL VERDE-EDWARDS-REAL-KERR-BANDERA-
GILLESPIE-KENDALL-BLANCO-HAYS-TRAVIS-BASTROP-LEE-KINNEY-UVALDE-
MEDINA-BEXAR-COMAL-GUADALUPE-CALDWELL-FAYETTE-MAVERICK-ZAVALA-
FRIO-ATASCOSA-WILSON-KARNES-GONZALES-DE WITT-LAVACA-DIMMIT-
INCLUDING THE CITIES OF...LLANO...BURNET...GEORGETOWN...DEL RIO...
ROCKSPRINGS...LEAKEY...KERRVILLE...BANDERA...FREDERICKSBURG...
BOERNE...BLANCO...SAN MARCOS...AUSTIN...BASTROP...GIDDINGS...
BRACKETTVILLE...UVALDE...HONDO...SAN ANTONIO...NEW BRAUNFELS...
SEGUIN...LOCKHART...LA GRANGE...EAGLE PASS...CRYSTAL CITY...
PEARSALL...PLEASANTON...FLORESVILLE...KARNES CITY...GONZALES...
CUERO...HALLETTSVILLE...CARRIZO SPRINGS
809 PM CDT SAT APR 11 2009

...SEVERE WEATHER POSSIBLE ACROSS MUCH OF SOUTH CENTRAL TEXAS
TONIGHT THROUGH SUNDAY AFTERNOON...

AN APPROACHING UPPER LEVEL STORM SYSTEM WILL BRING A GOOD CHANCE
OF RAIN TO SOUTH CENTRAL TEXAS AND THE HILL COUNTRY TONIGHT THROUGH
SUNDAY. EARLY THIS EVENING...SHOWERS WERE ENTERING WESTERN
PORTIONS OF SOUTH CENTRAL TEXAS. THIS ACTIVITY IS WELL BELOW
SEVERE LIMITS...HOWEVER AS A DRY LINE MOVES INTO WESTERN PORTIONS
OF SOUTH CENTRAL TEXAS LATE TONIGHT...STORMS MAY INTENSIFY ALONG
THE LINE AND BECOME SEVERE ACROSS THE AREA. SHOWERS AND STORMS
WILL SHIFT EAST INTO THE I 35 CORRIDOR TOWARDS DAWN AS THE DRY
LINE MARCHES EAST..EXITING THE REGION AROUND MIDDAY.

STRONG TO SEVERE STORMS ARE POSSIBLE...WITH THE HIGHEST LIKELIHOOD
OF SEVERE ACTIVITY GENERALLY WEST OF A KERRVILLE TO CARRIZO
SPRINGS LINE THROUGH LATE TONIGHT. THE THREAT WILL THEN CONCENTRATE
EAST OF A LINE FROM FREDERICKSBURG TO SAN ANTONIO TO BEEVILLE
EARLY SUNDAY MORNING. THE CHANCE OF RAIN AND SEVERE WEATHER WILL
CONTINUE TO PROGRESS EASTWARD THROUGHOUT THE DAY SUNDAY...WITH
DECREASING CHANCES IN THE AFTERNOON. PRIMARY SEVERE THREATS WILL
BE LARGE HAIL AND DAMAGING WINDS.

BREEZY AND VERY DRY CONDITIONS WILL PUSH INTO THE REGION BEHIND
THE STORM SYSTEM. NEAR CRITICAL TO CRITICAL FIRE WEATHER CONDITIONS
ARE EXPECTED SUNDAY AFTERNOON ACROSS MAINLY THE HILL
COUNTRY...EDWARDS PLATEAU...AND RIO GRANDE PLAINS. HOWEVER...THE
WETTING RAINS POSSIBLE TONIGHT AND EARLY SUNDAY MORNING MAY HELP
LESSEN THE FIRE WEATHER THREAT.
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Re: SE TX/SW LA weather: Progressive Pattern

#2266 Postby Ed Mahmoud » Sat Apr 11, 2009 11:08 pm

I'd say, as the 0Z is now out through 24 hours for GFS, both GFS and NAM look a little less scary from a tornado standpoint tomorrow, with a bit less extreme low level shear than earlier runs, and heaviest precip North of I-10.


Low level winds get more impressive travelling a bit North/East of Houston. Not a whole lot of low level instability up Lufkin way, but enough mid level instability for storms, and what would look like enough low level shear that anything that could get surface based could spin.

Lufkin sounding
Image

Heaviest rain just North of HOU

Image

One caveat on shear, looking around at 18Z soundings all around,, when GFS suggests main precip area is just moving in, the lower shear/helicity/EHI seems a function of winds veering a bit at the surface from S and SSE to SW and S, and perhaps the storms will have a bit more low level shear than 18Z GFS sounding from NIU suggests for HOU if, say, the storms arrive a bit earlier or my eyeball interpolation of a nationwide scale weather map is a touch off.



I can't stay up for the 1 am SWODY1, going to early Easter service to try to beat rain and twice a year church-goers. SWODY1 and HGX AFD, since I assume they have higher resolution displays and time scales, could paint a more risky scenario for HOU area. But my best amateur and unofficial guesstimate, Houston avoids the worst, but it gets worse not too far North and East.
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Re: SE TX/SW LA weather: Progressive Pattern

#2267 Postby Ptarmigan » Sat Apr 11, 2009 11:21 pm

Overnight: Isolated showers before 1am, then showers and thunderstorms between 1am and 4am, then showers and possibly a thunderstorm after 4am. Some of the storms could be severe. Low around 67. Southeast wind between 10 and 15 mph. Chance of precipitation is 80%.

Sunday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Some of the storms could be severe. Cloudy, with a high near 77. Southeast wind 10 to 15 mph becoming west. Chance of precipitation is 70%.

Sunday Night: Partly cloudy, with a low around 60. Southwest wind between 5 and 10 mph.

Houston/Galveston NWS is forecasting it could be stormy tonight.
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#2268 Postby southerngale » Sun Apr 12, 2009 3:50 am

Good morning/middle of the night. The Easter Bunny woke me up. And Happy Easter, everyone.

Ok, question. I saw the new SPC Day 1 map and it appears that Texas is only in a slight risk, although my portion of Texas is awfully close to the moderate risk area. I mentioned to Frick that we'd be praying it didn't pan out as she's most certainly in the mod risk area. Anyway, that was that. Then I'm poking around local news sites and saw this from KBMT 12 in Beaumont:

"The National Weather Service Storm Prediction Center has put extreme Southeast Texas and Southwest Louisiana in a MODERATE risk of severe weather."

link: http://www.kbmt12.com/weather

I know it really doesn't matter since we're either barely in or barely out and storms don't cross an imaginary line and instantly get worse, but just curious as to whether the guy is mistaken or not. I always thought the risk areas, whether it be slight, moderate, or high were the area inside the colored line, but does it also "officially" include the colored line area. lol - I probably sound like a fool. I need sleep!

Image
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Re: SE TX/SW LA weather: Progressive Pattern

#2269 Postby wxman22 » Sun Apr 12, 2009 6:57 am

Seems there about to expand the moderate risk area into Southeast Texas....

Image

MESOSCALE DISCUSSION 0450
NWS STORM PREDICTION CENTER NORMAN OK
0437 AM CDT SUN APR 12 2009

AREAS AFFECTED...SOUTHEAST TX

CONCERNING...OUTLOOK UPGRADE

VALID 120937Z - 121100Z

ASIDE FROM SOUTHERN LA/FAR SOUTHERN MS...THE MODERATE RISK WILL
LIKELY BE EXPANDED WESTWARD TO INCLUDE PORTIONS OF SOUTHEAST
TX/UPPER TX COASTAL PLAIN WITH THE 13Z DAY 1 CONVECTIVE OUTLOOK. A
SURFACE BASED SEVERE THREAT...INCLUDING THE POSSIBILITY OF
TORNADOES/DAMAGING WINDS AND HAIL...WILL LIKELY STEADILY INCREASE BY
THE MID/LATE MORNING HOURS. SEE THE PUBLIC SEVERE WEATHER
OUTLOOK/FORTHCOMING DAY 1 CONVECTIVE OUTLOOK FOR ADDITIONAL
METEOROLOGICAL DETAILS.
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Re: SE TX/SW LA weather: Progressive Pattern

#2270 Postby jasons2k » Sun Apr 12, 2009 7:45 am

http://www.spc.noaa.gov/products/md/md0452.html

MESOSCALE DISCUSSION 0452
NWS STORM PREDICTION CENTER NORMAN OK
0739 AM CDT SUN APR 12 2009

AREAS AFFECTED...SOUTHEAST TX INTO SOUTHERN LA

CONCERNING...SEVERE POTENTIAL...WATCH LIKELY

VALID 121239Z - 121345Z

SURFACE BASED SEVERE POTENTIAL SHOULD STEADILY INCREASE THROUGH THE
MID/LATE MORNING HOURS...WITH A RISK FOR TORNADOES IN ADDITION TO
DAMAGING WINDS/HAIL ACROSS SOUTHEAST TX INTO SOUTHERN LA. A TORNADO
WATCH MAY BE ISSUED SOON.

SCATTERED ELEVATED CONVECTION HAS BEEN COMMON ALONG THE UPPER TX
COASTAL PLAIN INTO LA EARLY THIS MORNING...AS A PRE-COLD FRONTAL
BROKEN SQUALL LINE CONTINUES TO STEADILY PROGRESS EAST-SOUTHEASTWARD
ACROSS THE TX HILL COUNTRY. IN ADDITION...A RECENT UPSWING IN
DEVELOPMENT HAS BEEN NOTED IN THE GULF ABOUT 40 S OF BPT. AHEAD OF
THE SQUALL LINE ASSOCIATED COLD POOL CROSSING TX...MODEST EARLY DAY
HEATING AND STEADY INFLUX OF RICH LOW LEVEL MOISTURE IN TANDEM WITH
NORTHWARD SPREADING WARM FRONT SHOULD LEAD TO AN UPSWING IN TSTM
COVERAGE/VIGOR ACROSS SOUTHEAST TX INTO SOUTHERN LA BY MID/LATE
MORNING...ALTHOUGH SOME CONCERNS DO REMAIN REGARDING THE DEGREE OF
CAPPING AHEAD OF THE MAIN UPSTREAM LARGE SCALE FORCING PER 12Z CRP
RAOB. REGARDLESS...GIVEN INCREASING SURFACE BASED DEVELOPMENT...A
MOIST BOUNDARY LAYER/RATHER FAVORABLE KINEMATIC PROFILES WOULD
SUPPORT SUPERCELLS CAPABLE OF TORNADOES...ALONG WITH DAMAGING
WINDS/HAIL. A TORNADO WATCH WILL LIKELY BE COORDINATED SOON.
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#2271 Postby jasons2k » Sun Apr 12, 2009 8:01 am

Tornado watch on the way:

Image
Shot at 2009-04-12

Edited to show current precip. frame.
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#2272 Postby jasons2k » Sun Apr 12, 2009 8:03 am

http://www.spc.noaa.gov/products/watch/ww0143.html

Image

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 143
NWS STORM PREDICTION CENTER NORMAN OK
800 AM CDT SUN APR 12 2009

THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF

SOUTHWEST LOUISIANA
SOUTHEAST TEXAS
COASTAL WATERS

EFFECTIVE THIS SUNDAY MORNING AND AFTERNOON FROM 800 AM UNTIL 400
PM CDT.

TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 65 STATUTE
MILES EITHER SIDE OF A LINE FROM 25 MILES WEST OF HOUSTON TEXAS
TO 25 MILES NORTHEAST OF LAFAYETTE LOUISIANA. FOR A COMPLETE
DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE
(WOUS64 KWNS WOU3).

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS.

OTHER WATCH INFORMATION...CONTINUE...WW 142...

DISCUSSION...SCTD SLIGHTLY ELEVATED STORMS THAT HAVE PERSISTED SINCE
EARLIER THIS MORNING OVER THE NWRN GULF AND THE UPR TX GULF CSTL PLN
HAVE SHOWN A STRENGTHENING TENDENCY IN THE PAST HOUR...POSSIBLY IN
RESPONSE TO INCREASED UPR DIFFLUENCE WITH THE CONTINUED EWD MOTION
OF NM UPR LOW. COUPLED WITH INCREASINGLY RICH LOW LVL MOISTURE
INFLOW... STRENGTHENING LOW TO MID LVL WIND FIELD...AND SFC
HEATING...SETUP MAY BECOME SUPPORTIVE OF LOW LVL STORM
ROTATION/TORNADOES.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 22035.
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#2273 Postby jasons2k » Sun Apr 12, 2009 8:08 am

Lot of clouds though - dunno how much heating we will get but with the LLJ screaming it may not matter much:

Image
Shot at 2009-04-12

I went outside this morning and you can really see the clouds in the LLJ above, streaming north.
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#2274 Postby jasons2k » Sun Apr 12, 2009 8:11 am

Slightly different perspective:

Image
Shot at 2009-04-12
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Re: SE TX/SW LA weather: Progressive Pattern

#2275 Postby southerngale » Sun Apr 12, 2009 9:00 am

Egads! They extended the moderate risk further west into SE TX. We haven't had a mod risk here in a long time... some time last summer or so, I believe. That one was a bust, and we just had some brief, strong thunderstorms, if I recall correctly. (we've had worse weather w/out the warning)

Anyway, eyeballing the radar, it doesn't look too bad as of now. We're under a Tornado Watch and Lake Wind Advisory as well.

Image

Tornado
Image

Hail
Image

Wind
Image


SPC AC 121232

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0732 AM CDT SUN APR 12 2009

VALID 121300Z - 131200Z

...THERE IS A MDT RISK OF SVR TSTMS FROM SE TX INTO PARTS OF LA AND
MS...

...THERE IS A SLGT RISK OF SVR TSTMS SURROUNDING THE MDT RISK AREA
FROM CNTRL TX INTO PARTS OF OK/AR AND THE LWR MS VLY...

...SYNOPSIS...
AMPLIFIED BUT PROGRESSIVE PATTERN WILL CONTINUE ACROSS THE U.S. AS
UPR LOW EVOLVES OVER THE GULF OF ME AND NM UPR LOW CONTINUES E/NE
INTO THE PLNS. THE NM SYSTEM SHOULD REACH NW OK THIS EVE...BEFORE
TURNING NE INTO ERN KS EARLY MON. 110 KT JET STREAK IN BASE OF
TROUGH SHOULD OVERSPREAD NE TX LATER TODAY/TONIGHT...WHILE
SUBTROPICAL JET IS TEMPORARILY SHUNTED SLIGHTLY S AND E ACROSS THE
NWRN GULF.

AT THE SFC...MAIN SYNOPTIC LOW NOW OVER THE SRN TX PANHANDLE SHOULD
EDGE SLOWLY E ALONG THE RED RVR VLY LATER TODAY...AND REACH THE
ARKLATEX EARLY MON. FARTHER SE...A SEPARATE WAVE MAY FORM LATER
THIS MORNING NEAR INTERSECTION OF OVERNIGHT NNE/SSW-ORIENTED TX SQLN
WITH SHALLOW WARM FRONT OVER THE UPR TX CSTL PLN. THE WAVE SHOULD
CONTINUE NE INTO NRN MS EARLY MON.

...SE TX INTO LWR MS VLY...
SATELLITE-DERIVED PW DATA SHOW A BROAD AREA OF RICH MOISTURE /PW AOA
1.25 INCHES/ EXTENDING WNW ACROSS THE TX GULF CSTL PLN FROM THE
WRN/CNTRL GULF OF MEXICO. THIS MOISTURE SHOULD SPREAD FARTHER N
AND...WITH TIME...NE INTO THE LWR MS VLY LATER TODAY/TONIGHT AS
40-50 KT SLY LLJ SHIFTS SLOWLY E AHEAD OF NM UPR TROUGH.

SHALLOW WARM FRONT NOW EXTENDING FROM NEAR CLL ESE THROUGH HOU/GLS
INTO THE NWRN GULF SHOULD MOVE STEADILY NE ACROSS SE TX AND
SRN/CNTRL LA AS COLD POOL-ASSISTED SQLN CONTINUES GENERALLY E ACROSS
CNTRL AND E TX.

COMBINATION OF MODEST SFC HEATING AND CONTINUED MOISTURE INFLOW MAY
SUFFICIENTLY DESTABILIZE REGION TO ALLOW EXISTING ELEVATED
SHOWERS/STORMS NOW OVER SE TX AND THE NWRN GULF TO BECOME NEARLY
SFC-BASED BY LATE THIS MORNING. OTHER NEAR-SFC-BASED STORMS MAY
FORM BY EARLY AFTN INVOF WARM FRONT OVER SRN LA. AT THE SAME
TIME...SFC HEATING AND EWD PROGRESSION OF HEIGHT FALLS WITH NM UPR
VORT EXPECTED TO SUPPORT STRENGTHENING OF STORMS WITHIN SRN END OF
SQLN NOW OVER CNTRL TX. FARTHER N...SCTD ELEVATED STORMS WITH HAIL
MAY SPREAD NWD WITH 850 MB WARM FRONT ACROSS PARTS OF NRN LA...AR
AND MS.

WIND PROFILES ACROSS SE TX AND LA WILL BE VERY FAVORABLE FOR
SUSTAINED SUPERCELLS...WITH 40+ KT SLY LLJ VEERING TO 60+ KT SW FLOW
AT 500 MB. COUPLED WITH INCREASING MOISTURE AND UPR DIFFLUENCE N OF
SUBTROPICAL JET...SETUP COULD YIELD A FEW STRONG TORNADOES...IN
ADDITION TO SVR HAIL/WIND. QUESTIONS DO REMAIN REGARDING OVERALL
DEGREE OF SVR THREAT GIVEN /1/ PRESENCE OF EML CAP THAT COULD LIMIT
POTENTIAL FOR WAA STORMS TO BECOME SUSTAINED/SFC-BASED...AND /2/
LIKELY PREDOMINANTLY LINEAR MODE OF CONVECTION ALONG AFOREMENTIONED
SQLN. NEVERTHELESS...GIVEN THE POSSIBILITY FOR AT LEAST STRONG
EMBEDDED SUPERCELLS FROM SE TX INTO PARTS OF LA AND SRN/WRN MS...A
MDT RISK APPEARS JUSTIFIED.

ALTHOUGH THE GREATEST RISK FOR SVR WEATHER IS EXPECTED THIS AFTN AND
EVE FROM SE TX INTO SRN/CNTRL LA...A LIMITED THREAT FOR TORNADOES
AND MARGINALLY SVR HAIL/WIND COULD PERSIST INTO EARLY MON FROM SE LA
INTO SRN/ERN MS AND WRN AL.

...N TX/SRN OK...
BEHIND THE INITIAL BAND RAIN/TSTMS OVER CNTRL TX/OK...A SEPARATE
AREA OF STORMS MAY FORM BENEATH UPR LOW DRY SLOT AS IT CROSSES THE
RED RVR VLY. HEATING BENEATH MID LVL COLD POOL SHOULD YIELD 500 TO
1000 J/KG SBCAPE BY LATE IN THE DAY. WITH AMPLE LARGELY
UNIDIRECTIONAL DEEP WLY SHEAR OVER THE RED RVR VLY AREA S OF UPR
LOW...A FEW STRONG/ORGANIZED STORMS MAY PRODUCE HAIL AND/OR LOCALLY
DMGG WIND. THE STORMS SHOULD WEAKEN AFTER SUNSET.

..CORFIDI/JEWELL.. 04/12/2009

CLICK TO GET WUUS01 PTSDY1 PRODUCT

NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED BY 1630Z
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Re: SE TX/SW LA weather: Progressive Pattern

#2276 Postby srainhoutx » Sun Apr 12, 2009 9:02 am

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
852 AM CDT SUN APR 12 2009

THE NATIONAL WEATHER SERVICE IN LEAGUE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
HOUSTON COUNTY IN SOUTHEAST TEXAS...
EASTERN MADISON COUNTY IN SOUTHEAST TEXAS...
NORTHERN WALKER COUNTY IN SOUTHEAST TEXAS...

* UNTIL 930 AM CDT

* AT 852 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL. THIS
STORM WAS LOCATED 15 MILES SOUTH OF AUSTONIO...OR 11 MILES EAST
OF MADISONVILLE...AND MOVING NORTHEAST AT 40 TO 45 MPH.

* LOCATIONS IN THE SEVERE THUNDERSTORM WARNING INCLUDE BUT ARE NOT
LIMITED TO GRAPELAND AND CROCKETT.
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#2277 Postby jasons2k » Sun Apr 12, 2009 9:03 am

Image
Shot at 2009-04-12
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#2278 Postby jasons2k » Sun Apr 12, 2009 9:37 am

Line filling in more & a Severe T-Storm Watch north of the Tornado Watch:

Image
Shot at 2009-04-12
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#2279 Postby JenBayles » Sun Apr 12, 2009 9:54 am

See that little "break" in the line where the red hasn't quite filled in? That's what is headed right for the Bear Creek Dome... :lol:
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#2280 Postby jasons2k » Sun Apr 12, 2009 10:36 am

Image
Shot at 2009-04-12
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