Alert archive / Texas / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 18, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this severe thunderstorm warning at Mar 18, 2000, 2:40 PM CST for Houston County, Madison County, Walker County, Texas. It was in force for 50 min. 1 report came from 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, with what was reported inside it.
The facts
- Issued
- Mar 18, 2000, 2:40 PM CST (20:40 UTC)
- Expired
- Mar 18, 2000, 3:30 PM CST
- In force
- 50 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Houston County, TX, Madison County, TX, Walker County, TX
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 18, 2:43 PM CST | Hail 0.75 | Lovelady, TX |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
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 18, 2:15 PM CST | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Shreveport, LA (KSHV), launched 12:00Z, 8.7 hours before the alert went out and 244 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
- 772 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 256 m²/s²
- 0-3 km storm-relative helicity
- 306 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 182043
SVRHOU
TXC225-313-471-182130-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
240 PM CST SAT MAR 18 2000
THE NATIONAL WEATHER SERVICE IN HOUSTON/GALVESTON TX HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHERN WALKER COUNTY IN SOUTHEAST TEXAS
HOUSTON COUNTY IN SOUTHEAST TEXAS
MADISON COUNTY IN SOUTHEAST TEXAS
* UNTIL 330 PM CST
* AT 236 PM CST...DOPPLER RADAR INDICATED SEVERE THUNDERSTORMS 13
MILES SOUTHWEST OF MIDWAY AND 10 MILES SOUTHWEST OF CROCKETT...
MOVING NORTHEAST AT 20 MPH. THESE STORMS ARE LIKELY PRODUCING
LARGE HAIL.
* LOCATIONS IN THE PATH OF THE SEVERE THUNDERSTORM INCLUDE...
MIDWAY
AUSTONIO
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 REPOR[T TO THE
NATIONAL WEATHER SERVICE.
LAT...LON 3087 9586 3080 9586 3083 9568 3107 9544
3120 9526 3134 9565What 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 18, 11:20 AM CST, 3 hours 20 minutes earlier.
Area forecast discussion, Mar 18, 11:20 AM CST, 3 hours 20 minutes before
SOUTHEAST TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 1120 AM CST SAT MAR 18 2000 ONGOING COVECTION OVER COASTAL BEND EXPANDING NORTH ATTM APPEARS TO BE TIED TO VORT MAX OUT OF S TX. STRONG CONVECTION DEVELOPING OVER THE GULF WELL SOUTH OF PSX. THIS CLUSTER SHOULD PROGRESS EAST AS MID LEVEL DRY AIR INTRUDES. SHRA/TSRA WILL LIKELY EXPAND NORTH AND EAST INTO THE EASTERN PORTIONS OF THE SVR WATCH AREA. HAVE UPDATED ZONES FOR INCLUSION OF SEVERE AND WATCH. PRIMARY THREAT APPEARS TO BE HAIL. .KHGX...SVR WATCH SOUTHEAST 1/2 TIL 4 PM. 45/41/D PRELIMS... CLL BE 075/046 065/043 072 252 IAH BE 075/052 068/045 072 353 GLS BE 073/061 067/052M 072 453
In the hours before
Special weather statement, Mar 18, 12:10 PM CST, 2 hours 30 minutes before
GMZ330-335-350-355-370-375-TXZ177-178-199-200-210>214-226-227-235>238- 182200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 1210 PM CST SAT MAR 18 2000 ...SEVERE THUNDERSTORM WATCH IN EFFECT TIL 4 PM... THE STORM PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH UNTIL 4 PM FOR AREAS ALONG AND SOUTHEAST OF A LINE FROM CUERO TO COLUMBUS TO PRARIE VIEW TO CONROE TO COLDSPRING. THIS INCLUDES THE MAJOR COMMUNITIES OF EDNA...BAY CITY..EL CAMPO...RICHMOND... SEALY...HOUSTON METROPOLITAN AREA...ANGLETON...GALVESTON...ANAHUAC... LIBERTY...CONROE...AND COLDSPRING. A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS TO OCCUR IN AND NEAR THE WATCH AREA. A FEW STRONG TO SEVERE THUNDERSTORMS DEVELOPED NEAR ROCKPORT AND BEEVILLE ALONG THE TEXAS COASTAL BEND THIS MORNING. A SECOND CLUSTER OF STORMS DEVELOPED OVER THE GULF MEXICO SOUTH OF ROCKPORT. THESE TWO AREAS OF THUNDERSTORMS WERE BEING AIDED BY A VIGOROUS UPPER LEVEL SYSTEM THAT WAS MOVING EAST OUT OF SOUTH TEXAS AND A WARM FRONT MOVING NORTH THROUGH THE REGION. WIDELY SCATTERED THUNDERSTORMS WILL PROBABLY SPREAD NORTHEAST ACROSS THE WATCH AREA. THE PRIMARY THREAT OF SEVERE WEATHER ASSOCIATED WITH THESE STORMS WILL BE LARGE HAIL AND POSSIBLY STRONG DAMAGING WINDS. STRONG TO SEVERE THUNDERSTORMS WILL ALSO SPREAD ACROSS THE UPPER TEXAS COASTAL AND OFFSHORE WATERS BRINGING VERY STRONG AND GUSTY WINDS. STAY TUNED TO NOAA WEATHER RADIO AND OTHER MEDIA SOURCES FOR THE LATEST UPDATES.
Special weather statement, Mar 18, 2:30 PM CST, 10 minutes before
TXZ163-164-176>179-195>200-212-190200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 230 PM CST SAT MAR 18 2000 ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 8 PM... THE SEVERE STORMS PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR THE NORTHERN PORTION OF SOUTHEAST TEXAS EFFECTIVE UNTIL 8 PM THIS EVENING. THE WATCH IS GENERALLY NORTH OF A LINE FROM BRENHAM TO THE WOODLANDS TO LIBERTY. THIS WATCH ALSO INCLUDES THE MAJOR COMMUNITIES OF CALDWELL...BRYAN/COLLEGE STATION... MADISONVILLE...CROCKETT...GROVETON...LIVINGSTON...COLD SPRINGS... HUNTSVILLE...CONROE...NAVASOTA AND HEMPSTEAD. A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS TO OCCUR IN AND NEAR THE WATCH AREA. BANDS OF THUNDERSTORMS ARE FORECAST TO CONTINUE TO FORM AND INTENSIFY IN THE WATCH AREA THROUGH THIS EVENING. THE MAIN THREAT FROM THESE STORMS WILL BE LARGE HAIL AND DOWNBURST WINDS. AT 230 PM...THE STRONGEST STORMS WERE FROM NORTHEAST OF BEDIAS IN GRIMES COUNTY TO MIDWAY IN MADISON COUNTY. THE STORMS WERE MOVING TO THE EAST NORTHEAST AT ABOUT 30 MPH. ALSO...SEVERE THUNDERSTORM WATCH NUMBER 100 REMAINS IN EFZFECT UNTIL 4 PM FOR THE SOUTHERN HALF OF SOUTHEAST TEXAS. AT 230 PM NO SIGNIFICANT THUNDERSTORM ACTIVITY WAS OCCURING IN THIS WATCH AREA. STAY TUNED TO NOAA WEATHER RADIO AND OTHER MEDIA SOURCES FOR THE LATEST UPDATES.
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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.