July Weather Discussion

General Weather Discussions and Analysis
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svrwx0503
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djjordan wrote:Looks like we may be getting into a training situation for this afternoon again in Brazoria, Matagorda, Ft. Bend, Wharton, and eventually into S/SW/NW Harris County including parts of the Houston Metro west of Downtown ... just based on radar trends .... doesn't look too good. Would not be surprised to see Flash Flood Warnings out soon.
I would agree. Lots of showers and thunderstorms continuing the lift north into the region.
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wxdata
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SATELLITE ANALYSIS AND TRENDS...LATEST GOES IR/VIS IMAGERY CONTINUES TO
SHOW THAT CONVECTION IS DEVELOPING ALONG THE TX COAST/NWRN GULF OF MEXICO
AND IS MOVING NW INTO CNTRL TX. THE CONVECTION HAS CONSOLIDATED A BIT THE
PAST FEW HRS INTO A MORE CONCENTRATED BAND BETWEEN KIAH AND KCRP THAT IS
FEEDING NW. THE DEEPEST CONVECTION AND HEAVIEST RAIN THREAT HAS BEEN AND
REMAINS NEAR THE IMMEDIATE COAST AND JUST INLAND WHERE CLOUD TOPS ARE
SHOWING A STRONG COOLING/EXPANDING TREND IN IR IMAGERY.
THIS CONVECTION
THEN FEEDS NW INTO CNTRL TX WHERE IT CLOUD TOPS HAVE BEEN WARMING AND
THERE HAS BEEN MORE OF A STEADIER MOD/HVY RAIN EVENT. THE MOST RECENT
TRMM PASS ESTIMATED MAX AREAL AVERAGED RAIN RATES OF 0.5-1.0"/HR MAY
HAVE BEEN OCCURRING WITH THE CONVECTION OVER COASTAL TX. HOWEVER, RAIN
RATES MAY BE A BIT HIGHER OR LOWER FROM TIME TO TIME AS CONVECTION HAS
BEEN RAPIDLY DEVELOPING AND DISSIPATING OVER THE COURSE OF THE PAST FEW
HRS. FARTHER INLAND, RAIN RATES OF 0.25-0.50"/HR MAY BE OCCURRING BASED ON
THE TRMM PASS AS WELL. THE CONVECTION SHOULD CONTINUE ON ITS NWWD TRACK
THE NEXT FEW HRS KEEPING THE THREAT FOR MOD/HVY RAIN ALIVE. ADDITIONAL
RAINFALL AMOUNTS OF 1-2" WILL BE POSSIBLE CLOSE TO THE COAST OF TX WITH
LESSER AMOUNTS OF 0.5-1.0" POSSIBLE FARTHER NW TOWARD CNTRL TX.

.
SHORT TERM OUTLOOK VALID 1645Z-1945Z...MEDIUM CONFIDENCE FACTOR IN
THE SHORT TERM OUTLOOK BASED ON RECENT TRENDS IN SATELLITE IMAGERY. THE
DEEPEST CONVECTION HAS HAD SOME TROUBLE MAKING IT INLAND AND HAS LINGERED
ALONG THE COAST THE PAST FEW HRS. THIS SHOULD REMAIN THE CASE THE NEXT FEW
HRS AND THE HEAVIEST RAIN SHOULD BE CONFINED TO COASTAL AREAS. HOWEVER,
AS THE CONVECTION CONTINUES NWWD INTO CNTRL TX AND WEAKENS SOME, MOD/HVY
RAIN MAY REMAIN A POSSIBILITY.
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BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
1222 PM CDT FRI JUL 2 2010

THE NATIONAL WEATHER SERVICE IN LEAGUE CITY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
EASTERN MATAGORDA COUNTY IN SOUTHEAST TEXAS...

* UNTIL 215 PM CDT

* AT 1216 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR
INDICATED THAT FLASH FLOODING WAS LIKELY FROM A CLUSTER
THUNDERSTORMS BETWEEN SARGENT AND VAN VLECK. ANOTHER 1 TO 3 INCHES
OF RAIN WILL FALL BY 130 PM. FLASH FLOODING IS POSSIBLE WITH THESE
STORMS.

* LOCATIONS IN THE FLOOD WARNING INCLUDE BUT ARE NOT LIMITED TO VAN
VLECK.
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wxdata
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FLOOD ADVISORY
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
1232 PM CDT FRI JUL 2 2010

TXC201-021930-
/O.NEW.KHGX.FA.Y.0047.100702T1732Z-100702T1930Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HARRIS TX-
1232 PM CDT FRI JUL 2 2010

THE NATIONAL WEATHER SERVICE IN LEAGUE CITY HAS ISSUED AN

* URBAN AND SMALL STREAM FLOOD ADVISORY FOR...
SOUTHERN HARRIS COUNTY IN SOUTHEAST TEXAS...

* UNTIL 230 PM CDT

* AT 1231 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
VERY HEAVY RAIN WAS FALLING NEAR THE MEDICAL CENTER AND HOBBY
AIRPORT. EXPECT A QUICK 1 TO 2 INCHES OF RAIN AND MINOR FLOODING OF
FEEDER ROADS AND OTHER AREAS OF SLOW DRAINAGE.
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wxdata
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Jeff L:

Closely watching S Mayde Creek...about 2.5 ft from exceeding banks at Greenhouse Rd (site 2150). Next band may push it out. Some flooding may be possible along Greenhouse Rd if the creek goes overbanks
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5.10" of rain here in Clute/Lake Jackson since Tuesday night. This has turned into quite a rainy few days. There have also been a some trees and limbs down in this area. Areas to the northwest are pushing 10" right now with more rain falling (around West Columbia).
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BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
127 PM CDT FRI JUL 2 2010

THE NATIONAL WEATHER SERVICE IN LEAGUE CITY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
BRAZORIA COUNTY IN SOUTHEAST TEXAS...

* UNTIL 430 PM CDT

* AT 118 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THAT FLASH FLOODING WAS LIKELY FROM A THUNDERSTORM NEAR ANGLETON.
ADDITIONAL RAINFALL OF 1 TO 2 INCHES CAN BE EXPECTED BY 230 PM. THE
ADDITIONAL RAINFALL WILL RUN OFF QUICKLY AS GROUNDS ARE SATURATED
FROM PREVIOUS RAINS. THIS IS A DANGEROUS SITUATION AS 2 DAY RAINFALL
TOTALS WILL LIKELY EXCEED 12 INCHES IN SOME PARTS OF THE COUNTY.
PLEASE BE SAFE AND DO NOT DRIVE ON FLOODED ROADS.

* LOCATIONS IN THE FLOOD WARNING INCLUDE BUT ARE NOT LIMITED TO
ROSHARON...CHOCOLATE BAYOU...WILD PEACH VILLAGE...WEST COLUMBIA...
SWEENY...RICHWOOD...OYSTER CREEK...MANVEL...LIVERPOOL...LAKE
JACKSON...JONES CREEK...IOWA COLONY...HOLIDAY LAKES...FREEPORT...
DANBURY...CLUTE...BRAZORIA...BONNEY AND ANGLETON.
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BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
147 PM CDT FRI JUL 2 2010

THE NATIONAL WEATHER SERVICE IN LEAGUE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
NORTHERN BRAZORIA COUNTY IN SOUTHEAST TEXAS...
EASTERN FORT BEND COUNTY IN SOUTHEAST TEXAS...
NORTHWESTERN GALVESTON COUNTY IN SOUTHEAST TEXAS...
SOUTHERN HARRIS COUNTY IN SOUTHEAST TEXAS...

* UNTIL 215 PM CDT

* AT 141 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM. THIS STORM WAS LOCATED 13 MILES SOUTH OF
MANVEL...OR 10 MILES NORTH OF ANGLETON...AND MOVING NORTH AT 45
MPH.

* LOCATIONS IN THE SEVERE THUNDERSTORM WARNING INCLUDE BUT ARE NOT
LIMITED TO HOBBY AIRPORT...ELLINGTON FIELD...SUGAR LAND...
STAFFORD...PEARLAND...MISSOURI CITY...MEADOWS...FRIENDSWOOD...
FRESNO...FIRST COLONY...BROOKSIDE VILLAGE AND ALVIN.
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wxdata
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Seeing some pretty gusty winds winds in the server thunderstorm, some approaching 45-50mph.
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Paul
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wxdata wrote:Seeing some pretty gusty winds winds in the server thunderstorm, some approaching 45-50mph.

any rotation...its heading for my house and I am DT...
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Paul wrote:
wxdata wrote:Seeing some pretty gusty winds winds in the server thunderstorm, some approaching 45-50mph.

any rotation...its heading for my house and I am DT...
I'm watching an area near Manville moving north. If it is rotation, it's pretty weak...
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wxdata
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I noticed that Nexrad has labeled 'meso' (storm is rotating) to the storm near Manville.
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Paul
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NEXRAD from wundercrap is exactly that....takes forever to load.... :twisted:
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wxdata
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Any rotation is elevated, right now not seeing anything at the surface.
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BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
214 PM CDT FRI JUL 2 2010

THE NATIONAL WEATHER SERVICE IN LEAGUE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
NORTHEASTERN BRAZORIA COUNTY IN SOUTHEAST TEXAS...
EASTERN FORT BEND COUNTY IN SOUTHEAST TEXAS...
NORTHWESTERN GALVESTON COUNTY IN SOUTHEAST TEXAS...
SOUTHEASTERN HARRIS COUNTY IN SOUTHEAST TEXAS...

* UNTIL 245 PM CDT

* AT 209 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM. THIS STORM WAS LOCATED NEAR PEARLAND...AND
MOVING NORTHEAST AT 35 MPH.

* LOCATIONS IN THE SEVERE THUNDERSTORM WARNING INCLUDE BUT ARE NOT
LIMITED TO THE MEDICAL CENTER...RELIANT PARK...MINUTE MAID PARK...
JOHNSON SPACE CENTER...HOBBY AIRPORT...HERMAN PARK...ELLINGTON
FIELD...WEST UNIVERSITY PLACE...WEBSTER...TAYLOR LAKE VILLAGE...
SOUTHSIDE PLACE...SOUTH HOUSTON...SHOREACRES...PASADENA...NASSAU
BAY...MANVEL...LEAGUE CITY...LA PORTE...HOUSTON...GALENA PARK...
FRIENDSWOOD...FRESNO...EL LAGO...DEER PARK...CLEAR LAKE SHORES...
BROOKSIDE VILLAGE...BELLAIRE AND ALVIN.
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wxdata
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FLOOD ADVISORY
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
217 PM CDT FRI JUL 2 2010

TXC039-157-201-022215-
/O.NEW.KHGX.FA.Y.0048.100702T1917Z-100702T2215Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HARRIS TX-FORT BEND TX-BRAZORIA TX-
217 PM CDT FRI JUL 2 2010

THE NATIONAL WEATHER SERVICE IN LEAGUE CITY HAS ISSUED AN

* URBAN AND SMALL STREAM FLOOD ADVISORY FOR...
NORTHERN BRAZORIA COUNTY IN SOUTHEAST TEXAS...
NORTHEASTERN FORT BEND COUNTY IN SOUTHEAST TEXAS...
HARRIS COUNTY IN SOUTHEAST TEXAS...

* UNTIL 515 PM CDT

* AT 214 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
VERY HEAVY RAIN WAS FALLING FROM A CLUSTER OF THUNDERSTORMS NEAR
MISSOURI CITY AND PEARLAND. THE STORMS ARE MOVING NORTH AND WILL
MOVE ACROSS HARRIS COUNTY. RAIN WITHIN THIS NEXT BAND OF STORMS WILL
AVERAGE 1 TO 2 INCHES WITH SOME ISOLATED 3 INCH TOTALS. BAYOUS
ACROSS THE REGION ARE BEGINNING TO FILL FROM PREVIOUS RAINS. LOW
SPOTS SUCH AS FEEDER ROADS WILL LIKELY FLOOD.
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Paul
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great stuck DT....I am sure the feeders at Beltway and Pearland Parkway are under...probably take 288 to 518..higher road...
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wxdata
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SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
229 PM CDT FRI JUL 2 2010

TXC039-157-167-201-021945-
/O.CON.KHGX.SV.W.0049.000000T0000Z-100702T1945Z/
HARRIS TX-FORT BEND TX-BRAZORIA TX-GALVESTON TX-
229 PM CDT FRI JUL 2 2010

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 PM CDT
FOR GALVESTON...BRAZORIA...FORT BEND AND HARRIS COUNTIES...

AT 226 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING. THIS STORM WAS LOCATED
NEAR PASADENA...AND MOVING NORTHEAST AT 35 MPH.

* LOCATIONS IN THE THE SEVERE THUNDERSTORM WARNING INCLUDE BUT ARE
NOT LIMITED TO THE MEDICAL CENTER...RELIANT PARK...MINUTE MAID
PARK...JOHNSON SPACE CENTER...HOBBY AIRPORT...HERMAN PARK...
ELLINGTON FIELD...WEST UNIVERSITY PLACE...WEBSTER...TAYLOR LAKE
VILLAGE...SOUTHSIDE PLACE...SOUTH HOUSTON...SHOREACRES...
PEARLAND...NASSAU BAY...MORGAN'S POINT...LEAGUE CITY...LA PORTE...
HOUSTON...GALENA PARK...FRIENDSWOOD...EL LAGO...DEER PARK...
BROOKSIDE VILLAGE AND BELLAIRE
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Mr. T
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They may have to change that to a flash flood warning soon... The storms are trying to train north to south along the IH-45 corridor.
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wxdata
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Afternoon rush is going to be a mess!

WGUS54 KHGX 021933
FFWHGX
TXC201-022230-
/O.NEW.KHGX.FF.W.0016.100702T1933Z-100702T2230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
233 PM CDT FRI JUL 2 2010

THE NATIONAL WEATHER SERVICE IN LEAGUE CITY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
HARRIS COUNTY IN SOUTHEAST TEXAS...

* UNTIL 530 PM CDT

* AT 226 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THAT FLASH FLOODING WAS LIKELY FROM A CLUSTER OF THUNDERSTORMS
ACROSS THE COUNTY. THE AXIS OF THE HEAVIEST RAIN EXTENDED FROM
SPRING TO DOWNTOWN HOUSTON TO HOBBY AIRPORT. FLOODING OF ROADWAYS
AND FEEDER ROADS ARE LIKELY. TRAFFIC WILL BECOME SLOW OR IMPASSABLE
ON SOME ROADWAYS. AN ADDITIONAL 1 TO 2 INCHES OF RAIN WILL BE
POSSIBLE BY 4 PM.

* LOCATIONS IN THE FLOOD WARNING INCLUDE BUT ARE NOT LIMITED TO THE
MEDICAL CENTER...SPLASHTOWN...SAN JACINTO STATE PARK...RELIANT
PARK...MINUTE MAID PARK...MEMORIAL...LAKE HOUSTON DAM...JOHNSON
SPACE CENTER...HOOKS AIRPORT...HERMAN PARK...THE GALLERIA...
ELLINGTON FIELD...BUSH-INTERCONTINENTAL AIRPORT...ADDICKS...WEST
UNIVERSITY PLACE...WEBSTER...TAYLOR LAKE VILLAGE...SPRING VALLEY...
SPRING...SOUTHSIDE PLACE...SOUTH HOUSTON...SHELDON...PINEY POINT
VILLAGE...PASADENA...NASSAU BAY...MORGAN'S POINT...LA PORTE...
JERSEY VILLAGE...JACINTO CITY...HUNTERS CREEK VILLAGE...HUMBLE...
HOUSTON...HILSHIRE VILLAGE...HIGHLANDS...HEDWIG VILLAGE...GALENA
PARK...EL LAGO...DEER PARK...CROSBY...CLOVERLEAF...CHANNELVIEW...
BUNKER HILL VILLAGE...BELLAIRE...BAYTOWN...BARRETT AND ALDINE.
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