Alert archive / Texas / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 49, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this severe thunderstorm warning at Apr 3, 2000, 9:07 AM CDT for Chambers County, Texas. It was in force for 38 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 3, 2000, 9:07 AM CDT (14:07 UTC)
- Expired
- Apr 3, 2000, 9:45 AM CDT
- In force
- 38 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Chambers County, TX
The radar
The Houston radar (KHGX), 41 km from the middle of the area, began a volume at 14:07 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 nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 12:00Z, 2.1 hours before the alert went out and 155 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 672 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- -193 m²/s²
- 0-3 km storm-relative helicity
- -69 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS54 KHGX 031405
SVRHOU
TXC071-031445-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
907 AM CDT MON APR 3 2000
THE NATIONAL WEATHER SERVICE IN HOUSTON/GALVESTON TX HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CHAMBERS COUNTY IN SOUTHEAST TEXAS
* UNTIL 945 AM CDT
* AT 905 AM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM OVER
TRINITY BAY...MOVING NORTHEAST AT 55 MPH.
* LOCATIONS IN THE PATH OF THE SEVERE THUNDERSTORM INCLUDE...
ANAHUAC
OAK ISLAND
MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR
BUSINESS.
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 2957 9492 2947 9482 2957 9455 2985 9441
2989 9465What 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 3, 2:40 AM CDT, 6 hours 27 minutes earlier.
Area forecast discussion, Apr 3, 2:40 AM CDT, 6 hours 27 minutes before
SOUTHEAST TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
240 AM CDT MON APR 3 2000
CLUSTER OF STRONG THUNDERSTORMS APPROACHING WESTERN ZONES WHILE AREA
OF CONVECTION FROM NEAR BAY CITY TO LIBERTY INCREASING IN AREAL
COVERAGE EARLY THIS MORNING. STRONG UPPER LEVEL TROUGH OF LOW
PRESSURE TO APPROACH REGION WITH TROUGH LINE OVR SE TEXAS BY
TONIGHT. MEANWHILE...STRONG UPPER LEVEL DIVERGENCE FROM ENTRANCE
REGION WITH HIGH PW VALUES OVER CWFA EARLY THIS MORNING WILL GREATLY
AID IN THE CONTINUING DEVELOPMENT OF THUNDERSTORMS. WILL MENTION
POSSIBLE SEVERE THUNDERSTORMS FOR THIS MORNING SE PORTIONS OF ZONES.
HEAVY RAINFALL GOOD POSSIBILITY AND WITH GROUND IN MANY AREAS
ALREADY SATURATED FROM PREVIOUS RAINS...WILL CONTINUE FFA FOR THIS
MORNING. EXPECT CONVECTION TO DIMINISH SIGNIFICANTLY BY EARLY
AFTERNOON WITH MAIN UPPER LEVEL ENERGY AND FRONTAL BOUNDARY MOVING
TO THE GULF. STRONG COLD FRONT WILL APPROACH NORTHERN ZONES BY MID
DAY AND COAST LATE AFTERNOON/EARLY EVENING. WOULD EXPECT CWA
CONDITIONS MARINE AREA BY TONIGHT. TEMPERATURES TO DIP TO THE 40S
TONIGHT WITH STRONG CAA FOR THIS TIME OF THE YEAR.
37/46
.KHGX...FLAS}H FLOOD WATCH IN EFFECT THIS MORNING FOR PORTIONS
OF SE TX (TXZ178-179-199-200-213-214-226-227-235>238).
PRELIMS
CLL TU 067/041 068/043 075 510
IAH TU 070/043 070/045 075 710
GLS TU 074/053 066/055 073 820In the hours before
Special weather statement, Apr 3, 4:30 AM CDT, 4 hours 37 minutes before
TXZ178-179-199-200-212>214-226-227-236>238-031700- FLASH FLOOD STATEMENT...CORRECTED PRODUCT HEADER NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 430 AM CDT MON APR 3 2000 ..FLASH FLOOD WATCH REMAINS IN EFFECT FOR THE EASTERN PORTIONS OF SOUTHEAST TEXAS THIS MORNING... A FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THE REST OF THIS MORNING MAINLY ALONG AND SOUTHEAST OF A CORRIGAN...WILLIS... HEMPSTEAD...EL CAMPO AND PALACIOS LINE. THIS INCLUDE THE CITIES OF LIVINGSTON...COLDSPRING...CONROE...PRAIRIE VIEW...EL CAMPO...BAY CITY...LAKE JACKSON...ROSENBERG...GALVESTON...ANAHUAC...LIBERTY AND HOUSTON. SHOWERS AND THUNDERSTORMS CONTINUE TO DEVELOP AND INTENSIFY ACROSS SOUTHEAST TEXAS EARLY THIS MORNING. THE ACTIVITY IS DEVELOPING IN RESPONSE TO AN APPROACHING STRONG UPPER LEVEL DISTURBANCE IN COMBINATION WITH A FRONTAL BOUNDARY...AND COPIOUS AMOUNTS OF MOISTURE IN THE ATMOSPHERE. WITH THE GROUND ALREADY SATURATED FROM PREVIOUS RAINS...ADDITIONAL HEAVY RAINFALL WILL EASILY RUNOFF INTO LOW LYING AREAS PRODUCING FLASH FLOODING. EXPECT ADDITIONAL AMOUNTS OF 2 TO 3 INCHES FROM THE THE STRONGER THUNDERSTORMS THIS MORNING. THE SHOWERS AND THUNDERSTORMS ARE EXPECTED TO DIMINISH IN AREAL COVERAGE AND INTENSITY THIS AFTERNOON. REMEMBER...A FLASH FLOOD WATCH MEANS FLOODING IS POSSIBLE...NOT IMMINENT. FLASH FLOOD WARNINGS OR URBAN AND SMALL STREAM FLOOD ADVISORIES MAY BE POSTED WHEN AND IF FLOODING BECOMES MORE OF A CERTAINTY. STAY TUNED TO NOAA WEATHER RADIO OR OTHER RELIABLE WEATHER NEWS SOURCES FOR FURTHER UPDATES AND POSSIBLE WARNINGS.
Local storm report, Apr 3, 5:10 AM CDT, 3 hours 57 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
510 AM CST MON APR 3 2000
ADDITIONAL STORM REPORTS FROM YESTERDAY AND LAST NIGHT...
TIME(LST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0344 AM 5 E WALLISVILLE TX 1.75 INCH HAIL
04/03/00 CHAMBERS REPORTED ON I-10
BY DPS TROOPER
0340 AM ANAHUAC TX 0.75 INCH HAIL
04/03/00 CHAMBERS REPORTED BY SHERIFF
0300 PM 7 N WINNIE TX 1 INCH HAIL
04/02/00 CHAMBERS REPORTED ON FM 1406
C BY COUNTY SHERIFF
END/46Local storm report, Apr 3, 6:10 AM CDT, 2 hours 57 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
510 AM CST MON APR 3 2000
ADDITIONAL STORM REPORTS FROM YESTERDAY AND LAST NIGHT...
TIME(LST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0344 AM 5 E WALLISVILLE TX 1.75 INCH HAIL
04/03/00 CHAMBERS REPORTED ON I-10
BY DPS TROOPER
0340 AM ANAHUAC TX 0.75 INCH HAIL
04/03/00 CHAMBERS REPORTED BY SHERIFF
0300 PM 7 N WINNIE TX 1 INCH HAIL
04/02/00 CHAMBERS REPORTED ON FM 1406
BY COUNTY SHERIFF
END/46The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 3, 3:16 AM CDT | Severe Thunderstorm Warning | HGX | Chambers, Harris | 44 min |
| Apr 3, 3:45 AM CDT | Tornado Warning | HGX | Chambers | 45 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; radar from the NEXRAD Level II archive.