Alert archive / Texas / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 40, NWS Houston/Galveston, TX

April 2, 2000Fort Bend County, Texas

NWS Houston/Galveston, TX issued this severe thunderstorm warning at Apr 2, 2000, 7:43 AM CDT for Fort Bend County, Texas. It was in force for 47 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
Apr 2, 2000, 7:43 AM CDT (12:43 UTC)
Expired
Apr 2, 2000, 8:30 AM CDT
In force
47 min
Issued by
NWS Houston/Galveston, TX
Area
Whole counties

County Fort Bend County, TX

The watch it was issued in

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

IssuedProductOfficeLasted
Apr 2, 1:30 AM CSTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 12:00Z, 0.7 hours before the alert went out and 252 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.

Skew-T log-pSkew-T log-p diagram, Corpus Christi, TX at 12:00Z on 2000-04-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2917 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Corpus Christi, TX at 12:00Z on 2000-04-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 43 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
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

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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, 3:27 AM CDT, 4 hours 16 minutes earlier.

Area forecast discussion, Apr 2, 3:27 AM CDT, 4 hours 16 minutes before
SOUTHEAST TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
325 PM CDT SUN APR 2 2000

THUNDERSTORMS FIRING UP EARLY THIS MORNING ACROSS SW PART OF CWFA
BECOMING SEVERE. IR LOOP SHOWS VERY COLD CLOUD TOPS (-65 TO -73 DEG
C). THIS AREA HAS VERY HIGH MOISTURE WITH PW VALUES PROBABLY
APPROACHING 2 INCHES. SURROUNDING SOUNDINGS WOULD INDICATE POTENTIAL
FOR SPINNING STORMS. SVR THUNDERSTORM WATCH OVER MUCH OF CWFA
(EXCEPT EXTREME NORTHERN ZONES) TIL 13Z.

AVN/NGM/ETA IN CLOSE AGREEMENT MOVING MAJOR UPPER LEVEL TROUGH. BEST
SYNOPTIC LIFT HAPPENING RIGHT NOW BUT STRONGER DYNAMICS WILL BE LATE
SUNDAY NIGHT/EARLY MONDAY MORNING. WEAK COLD FRONT WILL WAFFLE ACROSS
SOUTHERN PORTIONS OF CWFA TODAY...RETREAT NORTHWARD TONIGHT. STRONG FRONT
TO MOVE ACROSS REGION DAYTIME MONDAY DROPPING TEMPS TO THE 40S
INLAND MONDAY NIGHT. WITH HIGH PWS VALUES AND POTENTIAL FOR CONVECTIVE
TRAINING (UPPER FLOW PARALLEL TO FRONTAL BOUNDARY)...HEAVY RAIN CAN
BE EXPECTED. HOWEVER...CONSIDERING DRY ANTECEDENT CONDITIONS...WILL
MENTION LOCALLY HEAVY RAIN IN ZONES FOR NOW. ADDITIONAL HEAVY
RAINFALL TONIGHT (IF WIDESPREAD) MAY CALL FOR AN FFA.

37/46

.KHGX.l..SEVERE THUNDERSTORM WATCH #142 FOR ALL EXCEPT BURLESON...BRAZOS
        ...MADISON... AND HOUSTON COUNTIES.

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

Special weather statement, Apr 2, 12:44 AM CST, 5 hours 59 minutes before
TXZ163-164-176>179-195>200-210>214-226-227-235>238-021000-

SPECIAL WEATHER STATEMENT...CHANGED SAT TO SUN
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
1244 AM CST SUN APR 2 2000

...SEVERE THUNDERSTORMS WATCH FOR WESTERN PORTIONS OF SOUTHEAST
TEXAS WILL EXPIRE AT 200 AM CST (300 AM CDT)...

THE THUNDERSTORMS THAT PROMPTED THE ISSUANCE OF A SEVERE THUNDERSTORM
WATCH FOR THE WESTERN PORTIONS OF SOUTHEAST SATURDAY EVENING HAVE
REMAINED ACROSS CENTRAL AND SOUTH CENTRAL TEXAS. THE LATEST RADAR
TREND INDICATES THE STORMS ARE SLOWLY WEAKENING...AND THIS TREND IS
EXPECTED TO CONTINUE. THEREFORE...THE SEVERE THUNDERSTORM WATCH THAT
WAS IN EFFECT FOR AUSTIN...COLORADO... JACKSON...WASHINGTON...AND
WHARTON COUNTIES WILL BE ALLOWED TO EXPIRE AT 200 AM CST (300 AM
CDT).

ADDITIONAL SHOWERS AND THUNDERSTORMS HAVE BEEN DEVELOPING ACROSS
PORTIONS OF SOUTHEAST TEXAS AND AROUND THE VICTORIA AREA. THESE
STORMS ARE EXPECTED TO EXPAND IN COVERAGE AND POSSIBLY INTENSIFY IN
RESPONSE TO A STRONG UPPER LEVEL DISTURBANCE TO OUR WEST AND
STRENGTHENING UPPER LEVEL WINDS OVER TEXAS. SOME OF THESE
THUNDERSTORMS HAVE THE POTENTIAL TO BECOME SEVERE...WITH THE PRIMARY
THREAT STRONG DAMAGING WINDS AND LARGE HAIL. ADDITIONAL SEVERE
THUNDERSTORM WATCHES MAY BE REQUIRED EARLY THIS MORNING IF THE
SEVERE WEATHER THREAT MOVES FURTHER TO THE NORTHEAST INTO SOUTHEAST
TEXAS.

DUE TO THE SLOW MOVEMENT OF THE UPPER LEVEL SYSTEM AND A NEARLY
STATIONARY COLD FRONT LOCATED ACROSS NORTHWEST SECTIONS OF SOUTHEAST
TEXAS...HEAVY RAINFALL IS POSSIBLE OVERNIGHT. THE BEST CHANCE FOR
HEAVY RAINFALL WILL OCCUR ACROSS INLAND LOCATIONS LATE TONIGHT. THE
HEAVY RAINFALL THREAT AREA MAY EXPAND ACROSS ALL OF SOUTHEAST TEXAS ON
SUNDAY AND INTO SUNDAY NIGHT. AVERAGE RAINFALL TOTALS THROUGH SUNDAY
EVENING MAY AVERAGE 1 TO 2 INCHES WITH ISOLATED AMOUNTS OF 5 INCHES
POSSIBLE WHERE BACKBUILDING THUNDERSTORMS DEVELOP.

STORM SPOTTERS AND EMERGENCY MANAGEMENT OFFICIALS ARE REQUESTED TO
MONITOR THIS SEVERE WEATHER THREAT THIS MORNING AND BE PREPARED FOR
POSSIBLE ACTIVATION.

STAY TUNED TO NOAA WEATHER RADIO OR OTHER RELIABLE WEATHER NEWS
SOURCES FOR FURTHER UPDATES AND POSSIBLE WARNINGS ON THIS SEVERE
WEATHER THREAT.

AS A REMINDER...DAYLIGHT SAVINGS TIME BEGINS AT 200 AM THIS MORNING.
DO NOT FORGET TO MOVE YOUR CLOCKS AHEAD ONE HOUR. THIS WATCH EXPIRES
AT THE TIME CHANGE FROM CENTRAL STANDARD TIME TO CENTRAL DAYLIGHT
TIME.
Special weather statement, Apr 2, 3:00 AM CDT, 4 hours 43 minutes before
GMZ330-335-350-355-TXZ164-177>179-197>200-210>214-226-227-235>238-
021300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
300 AM CDT SUN APR 2 2000

...SEVERE THUNDERSTORM WATCH ISSUED FOR MOST OF SOUTHEAST TEXAS...

THE STORM PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR
MOST OF SOUTHEAST TEXAS UNTIL 8 AM CDT. THE FOLLOWING COUNTIES ARE
INCLUDED IN THIS WATCH...SAN JACINTO...WALKER...GALVESTON
...WALLER...POLK...HARRIS...JACKSON...MONTGOMERY...GRIMES...
COLORADO...WASHINGTON...BRAZORIA...LIBERTY...CHAMBERS...AUSTIN
...WHARTON...MATAGORDA...FORT BEND AND TRINITY.

VERY MOIST UNSTABLE AIR OVER SOUTHEAST TEXAS AND A PASSING UPPER
LEVEL DISTURBANCE HAS BEEN TRIGGERING STRONG TO SEVERE THUNDERSTORMS
OVER THE WATCH AREA. ALSO...A WEAK COLD FRONT IS MOVING SLOWLY
SOUTHWARD ACROSS SOUTHEAST TEXAS. THIS FRONT WILL SERVE AS A FOCUSING
MECHANISM FOR STRONG TO SEVERE THUNDERSTORM DEVELOPMENT. TRAINING OF
THUNDERSTORMS WILL ALSO LIKELY PRODUCE VERY RAINFALL.

THE PRIMARY THREAT WITH THESE THUNDERSTORMS WILL BE STRONG DAMAGING
WINDS AND LARGE HAIL. VERY HEAVY LOCALIZED RAINFALL OF 2 TO 3 INCHES
AN HOUR IS ALSO POSSIBLE.

STORM SPOTTERS AND EMERGENCY MANAGEMENT OFFICIALS ARE REQUESTED TO
MONITOR THIS SEVERE WEATHER THREAT EARLY THIS MORNING AND BE PREPARED
FOR POSSIBLE ACTIVATION.

STAY TUNED TO NOAA WEATHER RADIO OR OTHER RELIABLE WEATHER NEWS
SOURCES FOR FURTHER UPDATES AND POSSIBLE WARNINGS ON THIS SEVERE
WEATHER THREAT.
Special weather statement, Apr 2, 6:05 AM CDT, 1 hour 38 minutes before
TXZ163-164-176>179-195>200-210>214-226-227-235>238-021700-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
605 AM CDT SUN APR 2 2000

THERE IS A SLIGHT RISK FOR SEVERE THUNDERSTORMS ACROSS SOUTHEAST TEXAS
TODAY AND TONIGHT.

VERY MOIST AND UNSTABLE AIR IN COMBINATION WITH A FRONTAL BOUNDARY
AND PASSING UPPER LEVEL DISTURBANCE WILL LEAD TO THE DEVELOPMENT OF
THUNDERSTORMS OVER SOUTHEAST TEXAS TODAY THROUGH TONIGHT. MEANWHILE...
A STRONG UPPER LEVEL TROUGH OF LOW PRESSURE OVER NORTHWESTERN MEXICO
IS EXPECTED TO CONTINUE TO MOVE SLOWLY EASTWARD AND APPROACH
OUR REGION.

THUNDERSTORMS WILL CONTINUE TO DEVELOP NEAR AND ALONG THE FRONTAL
BOUNDARY WITH SOME OF THE STORMS BECOMING SEVERE. THE MAIN THREAT WILL
BE LARGE HAIL AND DAMAGING WINDS. ISOLATED TORNADOES ARE ALSO
POSSIBLE.  SOME OF THE THUNDERSTORMS MAY DEVELOP AND MOVE
REPEATEDLY OVER THE SAME AREAS...PRODUCING VERY HEAVY RAINS...
ESPECIALLY NEAR THE COLD FRONT.

THE PRIMARY THREAT WITH THESE THUNDERSTORMS WILL BE STRONG DAMAGING
WINDS AND LARGE HAIL. VERY HEAVY LOCALIZED RAINFALL OF 2 TO 3 INCHES
AN HOUR IS ALSO POSSIBLE.

STORM SPOTTERS AND EMERGENCY MANAGEMENT OFFICIALS ARE REQUESTED TO
MONITOR THIS SEVERE WEATHER THREAT EARLY TODAY AND BE PREPARED
FOR POSSIBLE ACTIVATION.

STAY TUNED TO NOAA WEATHER RADIO OR OTHER RELIABLE WEATHER NEWS
SOURCES FOR FURTHER UPDATES AND POSSIBLE WARNINGS ON THIS SEVERE
WEATHER THREAT.
Local storm report, Apr 2, 7:37 AM CDT, 6 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/46

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 2, 12:47 AM CSTSevere Thunderstorm WarningHGXPolk, San Jacinto43 min
Apr 2, 1:04 AM CSTSevere Thunderstorm WarningHGXWharton41 min
Apr 2, 3:11 AM CDTSevere Thunderstorm WarningHGXFort Bend, Harris49 min
Apr 2, 3:19 AM CDTSevere Thunderstorm WarningHGXJackson41 min
Apr 2, 3:30 AM CDTSevere Thunderstorm WarningHGXPolk45 min
Apr 2, 3:32 AM CDTSevere Thunderstorm WarningHGXHarris, Waller43 min
Apr 2, 3:55 AM CDTSevere Thunderstorm WarningHGXMontgomery35 min
Apr 2, 4:02 AM CDTFlash Flood WarningHGXMontgomery3 hr
Apr 2, 4:11 AM CDTSevere Thunderstorm WarningHGXHarris49 min
Apr 2, 4:21 AM CDTSevere Thunderstorm WarningHGXPolk, San Jacinto54 min
Apr 2, 4:38 AM CDTSevere Thunderstorm WarningHGXLiberty52 min
Apr 2, 5:05 AM CDTFlash Flood WarningHGXHarris115 min
Apr 2, 5:07 AM CDTSevere Thunderstorm WarningHGXHarris53 min
Apr 2, 5:55 AM CDTSevere Thunderstorm WarningHGXHarris, Liberty50 min
Apr 2, 12:29 PM CDTSevere Thunderstorm WarningHGXMatagorda71 min
Apr 2, 12:33 PM CDTSevere Thunderstorm WarningHGXBrazoria57 min
Apr 2, 1:24 PM CDTTornado WarningHGXBrazoria, Matagorda36 min
Apr 2, 1:31 PM CDTSevere Thunderstorm WarningHGXGalveston, Harris59 min
Apr 2, 2:08 PM CDTSevere Thunderstorm WarningHGXChambers67 min
Apr 2, 2:26 PM CDTSevere Thunderstorm WarningHGXLiberty64 min
Apr 2, 2:37 PM CDTSevere Thunderstorm WarningHGXGalveston53 min
Apr 2, 4:45 PM CDTSevere Thunderstorm WarningHGXChambers60 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.