Alert archive / Texas / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 133, NWS Houston/Galveston, TX

July 19, 2009Brazos County, Burleson County, Washington County, Texas

NWS Houston/Galveston, TX issued this severe thunderstorm warning at Jul 19, 2009, 7:10 PM CDT for Brazos County, Burleson County, Washington County, Texas. It was in force for 35 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 19, 2009, 7:10 PM CDT (00:10 UTC)
Expired: Jul 19, 2009, 7:45 PM CDT
In force: 35 min
Issued by: NWS Houston/Galveston, TX
Area: Storm-based polygon

Counties Brazos County, TX, Burleson County, TX, Washington County, TX

The radar

The Ft Hood radar (KGRK), 95 km from the middle of the area, began a volume at 00:14 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jul 19, 2:36 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Houston/Galveston, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 19, 7:04 PM CDT, 6 minutes earlier.

Area forecast discussion, Jul 19, 7:04 PM CDT, 6 minutes before

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Hazardous weather outlook, Jul 19, 2:59 PM CDT, 4 hours 11 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
259 PM CDT SUN JUL 19 2009

TXZ163-164-176>179-195>200-210>214-226-227-235>238-202000-
AUSTIN-BRAZORIA-BRAZOS-BURLESON-CHAMBERS-COLORADO-FORT BEND-
GALVESTON-GRIMES-HARRIS-HOUSTON-JACKSON-LIBERTY-MADISON-MATAGORDA-
MONTGOMERY-POLK-SAN JACINTO-TRINITY-WALKER-WALLER-WASHINGTON-
WHARTON-
259 PM CDT SUN JUL 19 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST TEXAS.

.DAY ONE...THIS AFTERNOON AND TONIGHT
THERE IS A SLIGHT RISK OF SEVERE WEATHER THIS AFTERNOON AND
TONIGHT ALONG AND NORTH OF A LINE FROM BRENHAM TO LIBERTY. AN
APPROACHING UPPER LEVEL DISTURBANCE WILL CONTINUE TO DRIVE
THUNDERSTORM DEVELOPMENT ACROSS PORTIONS OF NORTH TEXAS. THESE
THUNDERSTORMS WILL MOVE SOUTH INTO THE AREA LATE THIS AFTERNOON
AND THIS EVENING. THE PRIMARY THREAT WITH THESE STORMS WILL BE
DAMAGING WINDS AND HEAVY RAINFALL...ALTHOUGH SOME SMALL HAIL IS
POSSIBLE. SCATTERED SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE
ACROSS THE REST OF THE REGION AS THE SEABREEZE CONTINUES TO MOVE
INLAND DURING THE AFTERNOON AND EARLY EVENING. RAINFALL
ACCUMULATIONS OF UP TO 1 INCH ARE POSSIBLE WITH THESE STORMS WITH
SOME ISOLATED TOTALS OF 2 TO 3 INCHES...PRIMARILY ACROSS THE AREA
EAST OF INTERSTATE 45 AND NORTH OF INTERSTATE 10.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY
NORTHWEST FLOW ALOFT WILL CONTINUE THROUGH AT LEAST
MIDWEEK...BRINGING UPPER LEVEL DISTURBANCES SOUTH INTO THE REGION
LEADING TO SCATTERED THUNDERSTORMS DURING THE AFTERNOON HOURS
THROUGH WEDNESDAY.

TOWARDS THE END OF THE WEEK THE UPPER LEVEL HIGH PRESSURE SYSTEM
ACROSS THE WESTERN UNITED STATES WILL MOVE CLOSER TO THE REGION
INCREASING AFTERNOON HIGH TEMPERATURES AND LOWERING THE CHANCE OF PRECIPITATION.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION MAY BE NEEDED LATE THIS AFTERNOON AND EVENING.

In the hours before

Special weather statement, Jul 19, 3:56 PM CDT, 3 hours 14 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
356 PM CDT SUN JUL 19 2009

TXZ226-235-236-192200-
JACKSON-MATAGORDA-WHARTON-
356 PM CDT SUN JUL 19 2009

...SPECIAL WEATHER STATEMENT...

AT 354 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 8 MILES SOUTHEAST OF THE SOUTH TEXAS NUCLEAR
PLANT...MOVING WEST NORTHWEST AT 10 MPH.

PEA SIZE HAIL...WINDS GREATER THAN 40 MPH...ARE POSSIBLE WITH THIS
STORM.

LOCATIONS IN THE PATH OF THIS STORM INCLUDE...SOUTH TEXAS NUCLEAR
PLANT...MIDFIELD...BLESSING...PALACIOS AND MARKHAM.

GUSTY WINDS MAY CAUSE UNSECURED SMALL OBJECTS SUCH AS TRASH CANS TO
BLOW AROUND. SEEK SHELTER IN A STURDY STRUCTURE UNTIL THIS STORM HAS
PASSED.

LAT...LON 2908 9635 2894 9585 2870 9575 2870 9577
      2873 9577 2873 9579 2869 9590 2867 9641
TIME...MOT...LOC 2055Z 109DEG 10KT 2886 9602

Special weather statement, Jul 19, 4:42 PM CDT, 2 hours 28 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
442 PM CDT SUN JUL 19 2009

TXZ176-192245-
MADISON-
442 PM CDT SUN JUL 19 2009

...SPECIAL WEATHER STATEMENT...

AT 437 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 19 MILES NORTHWEST OF MADISONVILLE...MOVING
SOUTHEAST AT 15 MPH.

THIS THUNDERSTORM PROMPTED A SEVERE THUNDERSTORM WARNING
EARLIER...BUT APPEARS TO HAVE WEAKENED SLIGHTLY OVER THE PAST
FIFTEEN MINUTES. IT IS STILL A VERY STRONG THUNDERSTORM
CAPABLE OF PRODUCING DAMAGING WINDS...SMALL HAIL...AND DANGEROUS
CLOUD TO GROUND LIGHTNING ACROSS THE COUNTY.

ONE HALF INCH DIAMETER HAIL...WINDS GREATER THAN 50 MPH...ARE
POSSIBLE WITH THIS STORM.

LOCATIONS IN THE PATH OF THIS STORM INCLUDE...NORTH ZULCH...
NORMANGEE...MIDWAY AND MADISONVILLE.

GUSTY WINDS MAY CAUSE UNSECURED SMALL OBJECTS SUCH AS TRASH CANS TO
BLOW AROUND. SEEK SHELTER IN A STURDY STRUCTURE OR NON-CONVERTIBLE
AUTOMOBILE UNTIL THIS STORM HAS PASSED.

LAT...LON 3093 9566 3085 9616 3101 9617 3108 9606
      3108 9603 3110 9599 3111 9581
TIME...MOT...LOC 2139Z 335DEG 15KT 3119 9605

Special weather statement, Jul 19, 5:21 PM CDT, 1 hour 49 minutes before

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Special weather statement, Jul 19, 5:31 PM CDT, 1 hour 39 minutes before

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Special weather statement, Jul 19, 5:48 PM CDT, 1 hour 22 minutes before

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Special weather statement, Jul 19, 6:52 PM CDT, 18 minutes before

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The office that day

Everything else NWS Houston/Galveston, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 19, 7:24 PM CDT	Severe Thunderstorm Warning	HGX	Grimes, Harris, Montgomery, Waller	36 min
Jul 19, 7:42 PM CDT	Severe Thunderstorm Warning	HGX	Burleson, Washington	33 min
Jul 19, 8:10 PM CDT	Severe Thunderstorm Warning	HGX	Brazos, Grimes, Waller, Washington	35 min
Jul 19, 8:35 PM CDT	Severe Thunderstorm Warning	HGX	Austin, Washington	25 min
Jul 19, 8:56 PM CDT	Severe Thunderstorm Warning	HGX	Austin, Colorado, Washington	34 min
Jul 20, 2:41 PM CDT	Special Weather Statement	HGX	Harris	64 min
Jul 20, 4:54 PM CDT	Special Weather Statement	HGX	Polk	51 min
Jul 20, 6:58 PM CDT	Tornado Warning	HGX	Brazos	47 min

Nearby

Severe Thunderstorm Warnings in Texas, 2009 Every severe thunderstorm warning in 2009

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.