Alert archive / Texas / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 41, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this severe thunderstorm warning at Apr 2, 2000, 12:29 PM CDT for Matagorda County, Texas. It was in force for 71 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.
The facts
- Issued
- Apr 2, 2000, 12:29 PM CDT (17:29 UTC)
- Expired
- Apr 2, 2000, 1:40 PM CDT
- In force
- 71 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Matagorda County, TX
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 12:00Z, 5.5 hours before the alert went out and 171 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
- 2917 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 522 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 43 m²/s²
- 0-3 km storm-relative helicity
- 82 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 2.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KHGX 021738 SVRHOU TXC321-021840- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 1229 PM CDT SUN APR 2 2000 THE NATIONAL WEATHER SERVICE IN HOUSTON/GALVESTON TX HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... MATAGORDA COUNTY IN SOUTHEAST TEXAS * UNTIL 140 PM CDT * AT 1230 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 10 MILES SOUTH OF MATAGORDA...MOVING NORTHEAST AT 35 MPH. * LOCATIONS IN THE PATH OF THE SEVERE THUNDERSTORM INCLUDE... MATAGORDA SARGENT THE SEVERE THUNDERSTORM WILL MOVE ALONG THE COASTLINE TOWARD SARGENT. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. A TORNADO WATCH IS ALSO IN EFFECT. SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO WARNING. 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 2855 9614 2842 9599 2873 9559 2890 9579
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 Apr 2, 9:35 AM CDT, 2 hours 54 minutes earlier.
Area forecast discussion, Apr 2, 9:35 AM CDT, 2 hours 54 minutes before
SOUTHEAST TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 935 AM CDT SUN APR 2 2000 THE FIRST ROUND OF THUNDERSTORMS HAVE PUSHED NORTHEAST AND DIMINISHED. HOWEVER...MORE THUNDERSTORMS ARE IN STORE AFTER THE DAYTIME HEATING GETS STARTED. THE CRP SOUNDING IS VERY UNSTABLE WITH AN LI OF -10... CAPE OF 3200...AND K-INDEX OF 6. AFTER MODIFYING THE SOUNDING TO REFLECT SURFACE TEMPERATURES IN THE MID 70S...THE CAPE GOES UP TO 4500 AND THE K-INDEX TO 35. WILL KEEP THE MENTION OF SEVERE AND HEAVY RAINFALL IN THE FORECAST. THE MAIN CHALLENGE IS THE COVERAGE OF RAIN TODAY. THE RADAR MOSAIC SHOWS THE BULK OF THE STORMS NOW DEVELOPING OVER THE EWX AND GRK AREAS. THESE MAY CLIP THE NORTHWESTERN SETX COUNTIES. BECAUSE THE MCS MOVED THROUGH THE AREA JUST A FEW HOURS AGO AM INCLINED TO LOWER THE POPS BELOW CATEGORICAL TO THE LIKELY CATEGORY TODAY. WILL ALSO TWEAK THE COUNTY ARRANGEMENT A BIT TO INCLUDE MORE COUNTIES IN THE NORTHWESTERN GROUP. WILL KEEP THE OTHER PARTS OF THE FORECAST INTACT. PL-40 33 .KHGX...NONE. PREV PRELIMS... CLL TT 069/059 070/042 066 786 IAH TT 073/063 072/045 067 886 GLS TT 074/070 073/053 066 887
In the hours before
Local storm report, Apr 2, 7:37 AM CDT, 4 hours 52 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
729 AM CST SUN APR 02 2000
TIME(LST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0100 AM 1 N COLDSPRING TX .88 INCH HAIL
04/02/00 SAN JACINTO REPORTED BY LAW
ENFORCEMENT OFFICIAL.
0100 AM 5 S COLDSPRING TX
04/02/00 SAN JACINTO TREES DOWN AT FM 2025
AND 2666. REPORTED BY
LAW ENFORCEMENT
OFFICIAL.
0128 AM KATY TX 1 INCH HAIL
04/02/00 HARRIS REPORTED BY STORM
SPOTTER.
0128 AM 2 S KATY TX 1 INCH HAIL
04/02/00 FORT BEND
0135 AM EAST BERNARD TX 1 INCH HAIL
04/02/00 WHARTON
0135 AM SPANISH CAMP TX 1 INCH HAIL
04/02/00 WHARTON
0138 AM MONAVILLE TX .75 INCH HAIL
04/02/00 WALLER REPORTED BY LAW
ENFORCEMENT OFFICIAL.
0140 AM EDNA TX 1 INCH HAIL
04/02/00 JACKSON REPORTED BY LAW
ENFORCEMENT OFFICIAL.
0309 AM 5 E HOCKLEY TX WIND DAMAGE
04/02/00 HARRIS *** 1 INJ ***
MOBILE HOME AND FENCE
DAMAGED IN PROVINCE
SQUARE. REPORTED BY
EMERGENCY MANAGEMENT.
0320 AM MAGNOLIA TX 1 INCH HAIL
04/02/00 MONTGOMERY REPORTED BY LAW
ENFORCEMENT OFFICIAL
FROM MAGNOLIA TO THE
WOODLANDS.
0350 AM 5 ESE CLEVELAND TX 1 INCH HAIL
04/02/00 LIBERTY QUARTER SIZE HAIL
REPORTED BY PUBLIC IN
TARKINGTON PRAIRIE.
0420 AM HOUSTON TX 1 INCH HAIL
04/02/00 HARRIS QUARTER SIZE HAIL
REPORTED AT I-45 AND
WEST ROAD IN NORTH
HOUSTON.
0]425 AM LIBERTY TX .75 INCH HAIL
04/02/00 LIBERTY REPORTED BY STORM
SPOTTER.
ADDITIONAL REPORTS WILL BE SENT AS THEY ARE RECEIVED.
END/46Local storm report, Apr 2, 8:29 AM CDT, 4 hours before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
729 AM CST SUN APR 02 2000
TIME(LST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0100 AM 1 N COLDSPRING TX .88 INCH HAIL
04/02/00 SAN JACINTO REPORTED BY LAW
ENFORCEMENT OFFICIAL.
0100 AM 5 S COLDSPRING TX
04/02/00 SAN JACINTO TREES DOWN AT FM 2025
AND 2666. REPORTED BY
LAW ENFORCEMENT
OFFICIAL.
0128 AM KATY TX 1 INCH HAIL
04/02/00 HARRIS REPORTED BY STORM
SPOTTER.
0128 AM 2 S KATY TX 1 INCH HAIL
04/02/00 FORT BEND
0135 AM EAST BERNARD TX 1 INCH HAIL
04/02/00 WHARTON
0135 AM SPANISH CAMP TX 1 INCH HAIL
04/02/00 WHARTON
0138 AM MONAVILLE TX .75 INCH HAIL
04/02/00 WALLER REPORTED BY LAW
ENFORCEMENT OFFICIAL.
0140 AM EDNA TX 1 INCH HAIL
04/02/00 JACKSON REPORTED BY LAW
ENFORCEMENT OFFICIAL.
0309 AM 5 E HOCKLEY TX WIND DAMAGE
04/02/00 HARRIS *** 1 INJ ***
MOBILE HOME AND FENCE
DAMAGED IN PROVINCE
SQUARE. REPORTED BY
EMERGENCY MANAGEMENT.
0320 AM MAGNOLIA TX 1 INCH HAIL
04/02/00 MONTGOMERY REPORTED BY LAW
ENFORCEMENT OFFICIAL
FROM MAGNOLIA TO THE
WOODLANDS.
0350 AM 5 ESE CLEVELAND TX 1 INCH HAIL
04/02/00 LIBERTY QUARTER SIZE HAIL
REPORTED BY PUBLIC IN
TARKINGTON PRAIRIE.
0420 AM HOUSTON TX 1 INCH HAIL
04/02/00 HARRIS QUARTER SIZE HAIL
REPORTED AT I-45 AND
WEST ROAD IN NORTH
HOUSTON.
0425 AM LIBERTY TX .75 INCH HAIL
04/02/00 LIBERTY REPORTED BY STORM
SPOTTER.
ADDITIONAL REPORTS WILL BE SENT AS THEY ARE RECEIVED.
END/46Special weather statement, Apr 2, 12:27 PM CDT, 2 minutes before
TXZ178-179-199-200-212>214-226-227-236>238-022300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 1227 PM CDT SUN APR 2 2000 ...TORNADO WATCH IN EFFECT UNTIL 6 PM FOR PORTIONS OF SOUTHEAST TEXAS... COUNTIES IN IN THE WATCH AREA INCLUDE... BRAZORIA...CHAMBERS...FORT BEND...GALVESTON...HARRIS...LIBERTY... MATAGORDA...MONTGOMERY...POLK...SAN JACINTO...WALLER...AND WHARTON. AT 1225 PM THUNDERSTORMS WERE BEGINNING TO DEVELOP ALONG AND AHEAD OF A COLD FRONT THAT WAS MOVING THROUGH SOUTHEAST TEXAS. ATMOSPHERIC CONDITIONS AHEAD OF THE FRONT REMAIN CONDUCIVE FOR THE DEVELOPMENT OF SEVERE THUNDERSTORMS AND TORNADOES. OTHER SEVERE WEATHER RISKS INCLUDE LARGE HAIL AND DAMAGING WIND. SOME OF THE THUNDERSTORMS MAY DEVELOP AND MOVE REPEATEDLY OVER THE SAME AREAS...PRODUCING VERY HEAVY RAINFALL. THIS WILL BE ESPECIALLY TRUE NEAR THE COLD FRONT. RAINFALL AMOUNTS COULD APPROACH 3 TO 5 INCHES.J STAY TUNED TO NOAA WEATHER RADIO OR OTHER RELIABLE WEATHER NEWS SOURCES FOR FURTHER UPDATES AND POSSIBLE WARNINGS ON THIS SEVERE WEATHER THREAT.
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 2, 12:47 AM CST | Severe Thunderstorm Warning | HGX | Polk, San Jacinto | 43 min |
| Apr 2, 1:04 AM CST | Severe Thunderstorm Warning | HGX | Wharton | 41 min |
| Apr 2, 3:11 AM CDT | Severe Thunderstorm Warning | HGX | Fort Bend, Harris | 49 min |
| Apr 2, 3:19 AM CDT | Severe Thunderstorm Warning | HGX | Jackson | 41 min |
| Apr 2, 3:30 AM CDT | Severe Thunderstorm Warning | HGX | Polk | 45 min |
| Apr 2, 3:32 AM CDT | Severe Thunderstorm Warning | HGX | Harris, Waller | 43 min |
| Apr 2, 3:55 AM CDT | Severe Thunderstorm Warning | HGX | Montgomery | 35 min |
| Apr 2, 4:02 AM CDT | Flash Flood Warning | HGX | Montgomery | 3 hr |
| Apr 2, 4:11 AM CDT | Severe Thunderstorm Warning | HGX | Harris | 49 min |
| Apr 2, 4:21 AM CDT | Severe Thunderstorm Warning | HGX | Polk, San Jacinto | 54 min |
| Apr 2, 4:38 AM CDT | Severe Thunderstorm Warning | HGX | Liberty | 52 min |
| Apr 2, 5:05 AM CDT | Flash Flood Warning | HGX | Harris | 115 min |
| Apr 2, 5:07 AM CDT | Severe Thunderstorm Warning | HGX | Harris | 53 min |
| Apr 2, 5:55 AM CDT | Severe Thunderstorm Warning | HGX | Harris, Liberty | 50 min |
| Apr 2, 7:43 AM CDT | Severe Thunderstorm Warning | HGX | Fort Bend | 47 min |
| Apr 2, 12:33 PM CDT | Severe Thunderstorm Warning | HGX | Brazoria | 57 min |
| Apr 2, 1:24 PM CDT | Tornado Warning | HGX | Brazoria, Matagorda | 36 min |
| Apr 2, 1:31 PM CDT | Severe Thunderstorm Warning | HGX | Galveston, Harris | 59 min |
| Apr 2, 2:08 PM CDT | Severe Thunderstorm Warning | HGX | Chambers | 67 min |
| Apr 2, 2:26 PM CDT | Severe Thunderstorm Warning | HGX | Liberty | 64 min |
| Apr 2, 2:37 PM CDT | Severe Thunderstorm Warning | HGX | Galveston | 53 min |
| Apr 2, 4:45 PM CDT | Severe Thunderstorm Warning | HGX | Chambers | 60 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2000Every severe thunderstorm warning in 2000
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.