Alert archive / Texas / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 6, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this severe thunderstorm warning at Mar 19, 2002, 11:15 PM CST for Houston County, Texas. It was in force for 45 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Mar 19, 2002, 11:15 PM CST (05:15 UTC)
- Expired
- Mar 20, 2002, 12:00 AM CST
- In force
- 45 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Counties, with a storm outline in the text
County Houston County, TX
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 19, 7:45 PM CST | Severe Thunderstorm Watch | SPC | 4 hr |
The nearest sounding before it
Shreveport, LA (KSHV), launched 00:00Z, 5.3 hours before the alert went out and 218 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 641 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 1330 m above ground
- 0-6 km bulk shear
- 67 kt
- 0-1 km storm-relative helicity
- 145 m²/s²
- 0-3 km storm-relative helicity
- 294 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 5.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KHGX 200515 SVRHOU TXC225-200600- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 1112 PM CST TUE MAR 19 2002 THE NATIONAL WEATHER SERVICE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... HOUSTON COUNTY IN SOUTHEAST TEXAS * UNTIL MIDNIGHT CST * AT 1112 PM CST...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 12 MILES SOUTHWEST OF AUSTONIO...MOVING NORTHEAST AT 40 MPH. * LOCATIONS IN THE PATH OF THE SEVERE THUNDERSTORM INCLUDE... AUSTONIO CROCKETT MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. STAY AWAY FROM WINDOWS EXPECT WIND GUSTS IN EXCESS OF 60 MPH WITH THIS STORM. TREES WERE REPORTED DOWN IN NORTH ZULCH AND NORMANGEE AROUND 11 PM. PLEASE REPORT SEVERE WEATHER TO THE COUNTY SHERIFF...LOCAL POLICE... OR DEPARTMENT OF PUBLIC SAFETY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE. LAT...LON 3119 9579 3108 9561 3144 9524 3155 9548
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 Mar 19, 9:30 PM CST, 1 hour 45 minutes earlier.
Area forecast discussion, Mar 19, 9:30 PM CST, 1 hour 45 minutes before
SOUTHEAST TEXAS FORECAST DISCUSSION...UPDATED NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 930 PM CST TUE MAR 19 2002 DECIDED TO HOIST SCA FOR NEARSHORE WATERS. PORTS DATA SHOWS 22 KTS AT PLEASURE PIER. GLS 19KTS...PSX 18KTS. PREV DISC... SVR TSTM WATCH JUST ISSUED BY SPC. LN OF STORMS ESPECIALLY STG ARND WACO AND SAT. MOVEMENT IS RAPID...50 MPH. ALREADY UPDATED ZFP AND SPS. THINK INSTAB AND DYNAMICS SHD WEAKEN ENOUGH OVERNIGHT TO ALLOW ACTIVITY TO WANE A BIT. NO CHG TO REST OF FCST. .HGX...SCEC FOR THE BAYS. SCA FOR THE GULF WATERS 0-60NM. 46/43/35/39 PRELIMS... CLL RU 060/065 046/072 045 +60 IAH TU 069/071 049/073 046 660 GLS TU 067/072 055/067 052 460
In the hours before
Special weather statement, Mar 19, 7:46 PM CST, 3 hours 29 minutes before
TXZ163-164-176-177-195>198-210>212-226-235-200600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 746 PM CST TUE MAR 19 2002 ...SEVERE THUNDERSTORM WATCH UNTIL MIDNIGHT... THE STORM PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PARTS OF SOUTHEAST TEXAS UNTIL MIDNIGHT. THE WATCH IS IN EFFECT ALONG AND NORTHWEST OF A LINE FROM GROVETON TO LAKE TEXANA. THE FOLLOWING COUNTIES ARE IN THE WATCH...AUSTIN...BRAZOS ...BURLESON...COLORADO...GRIMES...HOUSTON...JACKSON...MADISON ...TRINITY...WALKER...WALLER...WASHINGTON...WHARTON. COMMUNITIES INCLUDED IN THE WATCH ARE BRYAN/COLLEGE STATION... CROCKETT...HUNTSVILLE...MADISONVILLE...EDNA...COLUMBUS AND BRENHAM. A COLD FRONT IS PUSHING EAST TOWARD THE REGION. A LINE OF THUNDERSTORMS HAS FORMED AHEAD OF THIS FRONT. THE COMBINATION OF WIND SHEAR AND INSTABILITY HAS CAUSED SOME OF THE STORMS TO BECOME SEVERE. THIS THREAT WILL CONTINUE TO EXIST IN THE WATCH AREA FOR THE NEXT SEVERAL HOURS. THE THUNDERSTORMS ARE EXPECTED TO ARRIVE IN THE SOUTHEAST TEXAS PORTION OF THE WATCH AREA LATE THIS EVENING. A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR THUNDERSTORMS TO PRODUCE DAMAGING WIND GUSTS AND LARGE HAIL. A WARNING IS ISSUED WHEN SEVERE WEATHER IS IMMINENT OR OCCURRING. STAY TUNED TO NOAA WEATHER RADIO AND LOCAL MEDIA FOR ADDITIONAL UPDATES AND POSSIBLE WARNINGS. IF YOU ARE IN THE PATH OF A SEVERE THUNDERSTORM...MOVE INSIDE TO A REINFORCED STRUCTURE AND STAY AWAY FROM WINDOWS. CONSIDER MOVING YOUR VEHICLE INTO A GARAGE IF ITS AVAILABLE IN CASE LARGE HAIL DEVELOPS.
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 19, 9:35 PM CST | Severe Thunderstorm Warning | HGX | Burleson | 40 min |
| Mar 19, 10:51 PM CST | Severe Thunderstorm Warning | HGX | Madison | 39 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2002Every severe thunderstorm warning in 2002
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.