April - Ends on Mild Note

Tue Apr 02, 2013 6:37 pm

Possible Tornado Watch for SE TX:

MESOSCALE DISCUSSION 0373
NWS STORM PREDICTION CENTER NORMAN OK
0541 PM CDT TUE APR 02 2013

AREAS AFFECTED...PORTIONS OF SERN TX

CONCERNING...SEVERE THUNDERSTORM WATCH 80...

VALID 022241Z - 030015Z

THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 80
CONTINUES.

SUMMARY...THE THREAT FOR SVR THUNDERSTORMS CONTINUES ACROSS WW 80.
PORTIONS OF THE MIDDLE/UPPER TX COASTAL PLAIN ARE BEING MONITORED
FOR AN INCREASED TORNADO THREAT.

DISCUSSION...A SUPERCELL STORM OVER FAYETTE COUNTY CONTINUES
TRACKING ESEWD AND MAY IMPACT PORTIONS OF LAVACA AND COLORADO
COUNTIES DURING THE NEXT HOUR OR SO. SVR HAIL/WIND WILL BE OF
CONCERN WITH THIS STORM AS IT ADVANCES CLOSER TO THE COAST ALONG A
WNW/ESE-ORIENTED SUBTLE SFC WIND-SHIFT AXIS/DIFFUSE BAROCLINIC ZONE.
ADDITIONAL STORM DEVELOPMENT IS NOTED WITHIN A WAA REGIME FARTHER
ESE TOWARD THE COAST. THE FUTURE EVOLUTION OF THE SUPERCELL IS IN
QUESTION OWING TO POTENTIAL INTERACTIONS WITH DOWNSTREAM DEVELOPING
CONVECTION.

LITTLE IN THE WAY OF CINH IS NOTED PER A 21Z COLLEGE STATION
SOUNDING FROM TEXAS A AND M UNIVERSITY. THIS COULD SUPPORT MORE
WIDESPREAD CONVECTIVE INITIATION/COLD POOL MERGERS...AND A
CONVECTIVE MODE TRANSITION TO QUASI-LINEAR SEGMENTS/STORM CLUSTERS
AS OPPOSED TO SUPERCELLS. REGARDLESS...THIS 21Z SOUNDING ALSO
REVEALS NOTABLE VERTICAL DIRECTIONAL SHEAR BOOSTING HODOGRAPH
LENGTH...AS WINDS VEER FROM LIGHT/MODERATE ELY NEAR THE SFC TO
MODERATE WLY IN THE MID LEVELS. HGX VWP DATA SUGGEST THAT 0-1-KM SRH
HAS INCREASED TO OVER 200 M2/S2. AS SUCH...SOME CONDITIONAL THREAT
FOR TORNADOES WILL EXIST...ESPECIALLY S OF A NW/SE-ELONGATED DIFFUSE
FRONT EXTENDING FROM ACT TO THE COAST 35 SSW BPT. THIS THREAT WILL
CONTINGENT UPON STORMS EXHIBITING PERSISTENT DISCRETE/SEMI-DISCRETE
MODES...AND WILL BE MONITORED FOR A POSSIBLE UPGRADE TO TORNADO
WATCH.

..COHEN.. 04/02/2013

ATTN...WFO...LCH...HGX...EWX...

LAT...LON 29109531 29119794 30529701 30529437 29109531

Tue Apr 02, 2013 6:40 pm

Was watching the 6:00 Austin news- meteorologist came on and said just west of Austin (where the flood advisory is) had reports of 7inches of rain PER hour. Said a city saw 2 inches in 15 minutes. Wow!! Something you just don't hear very often. Here in San Marcos, crossing my fingers still for some good rain, but heaviest has been north and east of me. Glad Austin received some beneficial rain.

Tue Apr 02, 2013 7:38 pm

Belmer wrote:Was watching the 6:00 Austin news- meteorologist came on and said just west of Austin (where the flood advisory is) had reports of 7inches of rain PER hour. Said a city saw 2 inches in 15 minutes. Wow!! Something you just don't hear very often. Here in San Marcos, crossing my fingers still for some good rain, but heaviest has been north and east of me. Glad Austin received some beneficial rain.

Whoa! That's intense!

At least Austin got rain.

Tue Apr 02, 2013 7:55 pm

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
746 PM CDT TUE APR 2 2013

THE NATIONAL WEATHER SERVICE IN LEAGUE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
SOUTHEASTERN COLORADO COUNTY IN SOUTHEAST TEXAS...
NORTHWESTERN WHARTON COUNTY IN SOUTHEAST TEXAS...

* UNTIL 830 PM CDT

* AT 736 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED 13
MILES NORTHEAST OF SPEAKS...OR 19 MILES SOUTH OF COLUMBUS...AND
MOVING EAST AT 20 MPH.

* LOCATIONS IMPACTED INCLUDE...
WHARTON AND EAGLE LAKE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 60 MPH...
DESTRUCTIVE HAIL...DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR YOUR
PROTECTION...MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

Tue Apr 02, 2013 8:31 pm

The question is...will it hold together long enough to get some rain HERE.

Tue Apr 02, 2013 8:34 pm

txflagwaver wrote:The question is...will it hold together long enough to get some rain HERE.

my question too

Tue Apr 02, 2013 8:35 pm

I see David Paul is onlne. What do you think sir?

Tue Apr 02, 2013 8:41 pm

ticka1 wrote:
txflagwaver wrote:The question is...will it hold together long enough to get some rain HERE.

my question too

Haven't gotten a drop here in far northwest Harris County either. Lots of bluster, and I'm in the green on radar, so it seems inevitable, but nothing yet.

Tue Apr 02, 2013 8:41 pm

I would not be suprised to the the Severe Thunderstorm Warning expanded for all of Ft Bend, NW Brazoria, and SW Harris Counties from the radar trends.

Tue Apr 02, 2013 8:49 pm

Rosharon is gonna get slammed... http://www.my-cast.com is a great tool...you can put your exact address in and see what is on the way

Tue Apr 02, 2013 8:53 pm

jcarr wrote:I see David Paul is onlne. What do you think sir?

you can see his forecast here, updated 8:37

http://www.khou.com/video/featured-vide ... 30191.html

Tue Apr 02, 2013 9:00 pm

Wow..I saw him on...thought he would post something here...

Tue Apr 02, 2013 9:14 pm

Number of lightning strikes is slowly decreasing but the storms are still holding together. Ft Bend and Brazoria look to get the worst of it (best of the rain!). That being said I'm seeing some new cells trying to fire ahead of the line in Harris and Braz counties now.

Tue Apr 02, 2013 9:21 pm

some light hail & now a heavy cell here in Cypress

Tue Apr 02, 2013 9:36 pm

Is the line out by Brady/ San Angelo in play for Houston proper?

Tue Apr 02, 2013 9:46 pm

niner21 wrote:Is the line out by Brady/ San Angelo in play for Houston proper?

We'll see if the atmosphere recovers tomorrow. That said rather intense lightening and thunder in NW Harris County as the Western Harris / Waller County cells approach.

Tue Apr 02, 2013 9:57 pm

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
943 PM CDT TUE APR 2 2013

THE NATIONAL WEATHER SERVICE IN LEAGUE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
NORTHWESTERN BRAZORIA COUNTY IN SOUTHEAST TEXAS...
SOUTHEASTERN FORT BEND COUNTY IN SOUTHEAST TEXAS...

* UNTIL 1015 PM CDT

* AT 934 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED
NEAR NEEDVILLE...OR 10 MILES SOUTH OF ROSENBERG...AND MOVING EAST
AT 30 MPH.

* LOCATIONS IMPACTED INCLUDE...
MISSOURI CITY...ROSENBERG...FIRST COLONY...ANGLETON...NEEDVILLE...
HOLIDAY LAKES...PLEAK...ARCOLA...BEASLEY...BONNEY AND THOMPSONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 60 MPH...
DESTRUCTIVE HAIL...DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR YOUR
PROTECTION...MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

Tue Apr 02, 2013 10:00 pm

Looks like the blobs are taking a northern turn up toward Montgomery .... story here now.

Tue Apr 02, 2013 10:01 pm

Meant stormy.

Tue Apr 02, 2013 10:21 pm

Severe Warning from Brazoria to Montgomery Counties as strong storms march E. Heavy rainfall with vivid lightening in NW Harris County at this time.

April - Ends on Mild Note

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