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Re: April Weather Discussion. Severe Weather Chances To Incr

Posted: Wed Apr 07, 2010 4:59 pm
by wxdata
Traffic cam from Huntsville

Re: April Weather Discussion. Severe Weather Chances To Incr

Posted: Wed Apr 07, 2010 5:01 pm
by wxdata
Cross section of the storm near Huntsville showing how high the tops are.

Re: April Weather Discussion. Severe Weather Chances To Incr

Posted: Wed Apr 07, 2010 5:08 pm
by wxdata
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
508 PM CDT WED APR 7 2010

TXC407-471-072230-
/O.CON.KHGX.SV.W.0008.000000T0000Z-100407T2230Z/
WALKER TX-SAN JACINTO TX-
508 PM CDT WED APR 7 2010

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM CDT
FOR SAN JACINTO AND WALKER COUNTIES...

AT 503 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 7 MILES
WEST OF OAKHURST...OR 8 MILES EAST OF HUNTSVILLE...AND MOVING EAST
AT 40 MPH. THIS STORM HAS A HISTORY OF PRODUCING PENNY SIZE HAIL IN
HUNTSVILLE.

* LOCATIONS IN THE THE SEVERE THUNDERSTORM WARNING INCLUDE BUT ARE
NOT LIMITED TO HUNTSVILLE STATE PARK...CRABBS PRAIRIE...RIVERSIDE
AND POINT BLANK

Re: April Weather Discussion. Severe Weather Chances To Incr

Posted: Wed Apr 07, 2010 5:11 pm
by wxdata
MESOSCALE DISCUSSION 0285
NWS STORM PREDICTION CENTER NORMAN OK
0511 PM CDT WED APR 07 2010

AREAS AFFECTED...PORTIONS OF SERN TX

CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY

VALID 072211Z - 072315Z

ISOLATED STORMS HAVE DEVELOPED S OF WW 62 ALONG THE ADVANCING FRONT.
WITH CAPPING LIKELY TO LIMIT THUNDERSTORM COVERAGE HOWEVER...WW
APPEARS UNLIKELY ATTM.

LATEST SURFACE ANALYSIS SHOW FRONT ADVANCING SEWD ACROSS SERN
PORTIONS OF TX...INTO AIRMASS FEATURING LOW TO MID 60S DEWPOINTS AND
AROUND 1000 J/KG MIXED-LAYER CAPE. MODEL SOUNDINGS DEPICT AN
INCREASINGLY CAPPED BOUNDARY LAYER WITH SWD EXTENT ALONG THE
FRONT...BUT ISOLATED STORMS -- CAPABLE OF PRODUCING GUSTY WINDS AND
HAIL -- HAVE MANAGED TO DEVELOP AS FAR S AS WALKER CO.

ADDITIONAL DEVELOPMENT SWD ALONG THE FRONT IS QUESTIONABLE DUE TO
THE AFOREMENTIONED CAPPING...BUT GIVEN DEGREE OF INSTABILITY AND
SHEAR ANY STORM WHICH CAN BREACH THE CAP WOULD POSE A SEVERE THREAT.
ATTM...CONTINUE TO BELIEVE THAT ANY ADDITIONAL
FRONTAL/SURFACE-BASED DEVELOPMENT WILL REMAIN SUFFICIENTLY ISOLATED
AS TO PRECLUDE ADDITIONAL WW ISSUANCE.

Re: April Weather Discussion. Severe Weather Chances To Incr

Posted: Wed Apr 07, 2010 5:17 pm
by wxdata
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
517 PM CDT WED APR 7 2010

TXZ164-177>179-072315-
POLK-SAN JACINTO-TRINITY-WALKER-
517 PM CDT WED APR 7 2010

...SIGNIFICANT WEATHER ADVISORY FOR A STRONG THUNDERSTORM...

AT 514 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 23 MILES WEST OF LIVINGSTON...MOVING EAST AT 45
MPH.

PENNY SIZE HAIL...WINDS UP TO 50 MPH...CONTINUOUS CLOUD TO GROUND
LIGHTNING...BRIEF HEAVY DOWNPOURS...ARE POSSIBLE WITH THIS STORM.
PENNY SIZE HAIL WAS REPORTED IN HUNTSVILLE WITH THIS STORM.

LOCATIONS IN THE PATH OF THIS STORM INCLUDE...MOSCOW...LEGGETT...
APPLE SPRINGS...SEVEN OAKS...RIVERSIDE...POINT BLANK...OAKHURST AND
LIVINGSTON.

Re: April Weather Discussion. Severe Weather Chances To Incr

Posted: Wed Apr 07, 2010 5:25 pm
by wxdata
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
524 PM CDT WED APR 7 2010


524 PM CDT WED APR 7 2010

...THE SEVERE THUNDERSTORM WARNING FOR SAN JACINTO AND WALKER
COUNTIES IS CANCELLED...

THE THUNDERSTORM WHICH PROMPTED THE SEVERE THUNDERSTORM HAS WEAKENED
OR MOVED OUT OF THE AREA.

Re: April Weather Discussion. Severe Weather Chances To Incr

Posted: Wed Apr 07, 2010 5:45 pm
by wxdata
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
544 PM CDT WED APR 7 2010

THE NATIONAL WEATHER SERVICE IN LEAGUE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
SOUTHEASTERN BURLESON COUNTY IN SOUTHEAST TEXAS...
NORTHWESTERN WASHINGTON COUNTY IN SOUTHEAST TEXAS...

* UNTIL 630 PM CDT

* AT 540 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL. THIS
STORM WAS LOCATED 14 MILES SOUTHWEST OF LAKE SOMERVILLE DAM...OR 13
MILES EAST OF GIDDINGS...AND MOVING NORTHEAST AT 40 MPH. THIS
STORM WILL LIKELY MOVE OVER LAKE SOMERVILLE.

* LOCATIONS IN THE SEVERE THUNDERSTORM WARNING INCLUDE BUT ARE NOT
LIMITED TO SOMERVILLE.

Re: April Weather Discussion. Severe Weather Chances To Incr

Posted: Wed Apr 07, 2010 6:08 pm
by wxdata
Report from KBTX Bryan:

"1/2 inch hail at KBTX in Bryan, not quite dime size. It's a pretty small cell and no thunder.

Re: April Weather Discussion. Severe Weather Chances To Incr

Posted: Wed Apr 07, 2010 6:14 pm
by Ptarmigan
It is getting dark and gray outside. Hope to see some rain.

Re: April Weather Discussion. Severe Weather Chances To Incr

Posted: Wed Apr 07, 2010 6:15 pm
by weatherguy425
It is getting dark and gray outside. Hope to see some rain.
There's a boundary moving in from your north.

Re: April Weather Discussion. Severe Weather Chances To Incr

Posted: Wed Apr 07, 2010 6:17 pm
by sleetstorm
wxdata wrote:Cross section of the storm near Huntsville showing how high the tops are.
I like that cross section of a severe thunderstorm even better, wxdata. Did you get it from the same place where you told me how to tell how tall that a thunderstorm is? By the way, if I am not mistaken I do believe that I saw a small magenta blob in there which I do believe indicates hailstones.

Re: April Weather Discussion. Severe Weather Chances To Incr

Posted: Wed Apr 07, 2010 6:21 pm
by srainhoutx
Wind shift to NW at my location now.

Re: April Weather Discussion. Severe Weather Chances To Incr

Posted: Wed Apr 07, 2010 6:23 pm
by wxdata
sleetstorm wrote:
wxdata wrote:Cross section of the storm near Huntsville showing how high the tops are.
I like that cross section of a severe thunderstorm even better, wxdata. Did you get it from the same place where you told me how to tell how tall that a thunderstorm is? By the way, if I am not mistaken I do believe that I saw a small magenta blob in there which I do believe indicates hailstones.
No, it's software called GR2 Analyst. It can do this too..

3-D of the storm in Washington county...

Re: April Weather Discussion. Severe Weather Chances To Incr

Posted: Wed Apr 07, 2010 6:29 pm
by wxdata
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
625 PM CDT WED APR 7 2010

THE NATIONAL WEATHER SERVICE IN LEAGUE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
SOUTHEASTERN BRAZOS COUNTY IN SOUTHEAST TEXAS...
SOUTHEASTERN BURLESON COUNTY IN SOUTHEAST TEXAS...
SOUTHERN GRIMES COUNTY IN SOUTHEAST TEXAS...
NORTHWESTERN MONTGOMERY COUNTY IN SOUTHEAST TEXAS...
NORTHEASTERN WASHINGTON COUNTY IN SOUTHEAST TEXAS...

* UNTIL 715 PM CDT

* AT 618 PM CDT...WASHINGTON COUNTY LAW ENFORCEMENT DIME SIZED HAIL
WITH A SEVERE THUNDERSTORM IN NORTHEAST WASHINGTON COUNTY. THIS
STORM WAS LOCATED 12 MILES SOUTHWEST OF NAVASOTA...OR 12 MILES
NORTHEAST OF BRENHAM...AND MOVING EAST AT 45 MPH.

* LOCATIONS IN THE SEVERE THUNDERSTORM WARNING INCLUDE BUT ARE NOT
LIMITED TO NAVASOTA...PLANTERSVILLE...WILLIS AND PANORAMA VILLAGE.

Re: April Weather Discussion. Severe Weather Chances To Incr

Posted: Wed Apr 07, 2010 6:49 pm
by biggerbyte
Folks, there is an outflow boundary moving s.e. across portions of Montgomery and Harris counties. Watch for some rain and storms to form along this boundary. If you happen to be under the activity moving n.e., look out for severe weather.

Re: April Weather Discussion. Severe Weather Chances To Incr

Posted: Wed Apr 07, 2010 7:04 pm
by wxdata
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
702 PM CDT WED APR 7 2010

THE NATIONAL WEATHER SERVICE IN LEAGUE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
NORTHERN AUSTIN COUNTY IN SOUTHEAST TEXAS...
SOUTHERN GRIMES COUNTY IN SOUTHEAST TEXAS...
WALLER COUNTY IN SOUTHEAST TEXAS...
SOUTHEASTERN WASHINGTON COUNTY IN SOUTHEAST TEXAS...

* UNTIL 745 PM CDT

* AT 656 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 10
MILES WEST OF BELLVILLE...AND MOVING EAST AT 30 MPH.

Re: April Weather Discussion. Severe Weather Chances To Incr

Posted: Wed Apr 07, 2010 7:06 pm
by sleetstorm
Are any of you receiving any severe thunderstorms? If yes then are they attacking you with any hail/strong tropical storm force wind?

Re: April Weather Discussion. Severe Weather Chances To Incr

Posted: Wed Apr 07, 2010 7:07 pm
by wxdata
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
706 PM CDT WED APR 7 2010


...THE SEVERE THUNDERSTORM WARNING FOR BURLESON...WASHINGTON AND
BRAZOS COUNTIES IS CANCELLED...
THE THUNDERSTORM WHICH PROMPTED THE SEVERE THUNDERSTORM HAS MOVED
OUT OF THE AREA.

Re: April Weather Discussion. Severe Weather Chances To Incr

Posted: Wed Apr 07, 2010 7:08 pm
by wxdata
Radar suggests pea sized hail just west of Bellville

Re: April Weather Discussion. Severe Weather Chances To Incr

Posted: Wed Apr 07, 2010 7:09 pm
by sleetstorm
biggerbyte wrote:Folks, there is an outflow boundary moving s.e. across portions of Montgomery and Harris counties. Watch for some rain and storms to form along this boundary. If you happen to be under the activity moving n.e., look out for severe weather.
Hey biggerbyte, I have not heard from you in a while. Have you been busy with college/work?