Alert archive / Texas / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 19, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this severe thunderstorm warning at Mar 21, 2000, 1:32 PM CST for Polk County, San Jacinto County, Texas. It was in force for 43 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
- Mar 21, 2000, 1:32 PM CST (19:32 UTC)
- Expired
- Mar 21, 2000, 2:15 PM CST
- In force
- 43 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Whole counties
Counties Polk County, TX, San Jacinto County, TX
The radar
The Houston radar (KHGX), 135 km from the middle of the area, began a volume at 19:33 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, 7.5 hours before the alert went out and 184 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
- 1393 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 144 m²/s²
- 0-3 km storm-relative helicity
- 181 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 211933 SVRHOU TXC373-407-212015- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 132 PM CST TUE MAR 21 2000 THE NATIONAL WEATHER SERVICE IN HOUSTON/GALVESTON TX HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SAN JACINTO COUNTY IN SOUTHEAST TEXAS POLK COUNTY IN SOUTHEAST TEXAS * UNTIL 215 PM CST * AT 128 PM CST...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 4 MILES SOUTH OF SHEPHERD...ALONG HIGHWAY 59...MOVING NORTHEAST AT 25 MPH. * LOCATIONS IN THE PATH OF THE SEVERE THUNDERSTORM INCLUDE... GOODRICH LIVINGSTON ALABAMA-COUSHATTA RESERVATION...LEGGETT 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.
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 21, 9:20 AM CST, 4 hours 12 minutes earlier.
Area forecast discussion, Mar 21, 9:20 AM CST, 4 hours 12 minutes before
SOUTHEAST TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 920 AM CST TUE MAR 21 2000 VIRGA/-RA SHOWING UP ON RADAR ACROSS THE WESTERN FA. WEAK S/W EVIDENT IN WATER VAPOR PASSING INTO NETX AND TAILING OFF TOWARD THE COASTAL BEND. THIS FEATURE SHOULD EXIT THE REGION BY AROUND MID AFTERNOON. CURRENT POPS INDICATING WIDELY SCATTERED TO SCATTERED SHRA. MODIFIED CRP SOUNDING INDICATES CAP SHOULD HOLD OVER EASTERN CWA WITH PEAK HEATING CAP WEAKER OVER THE WESTERN CWA AND THREAT OF ELEVATED CONVECTION EXISTS. WILL ADD MENTION OF THUNDER IN WESTERN CWA. GRADIENT TIGHT ALONG THE COAST WITH GUSTS TO 29 KNOTS OVER THE BAYS PER THE PORTS/TCOON DATA. WILL HOIST THE SCA FLAG. WATER VAPOR INDICATING NEXT SW CROSSING SE OF THE TIP OF BAJA... EXTRAPOLATION INDICATING THIS FEATURE SHOULD ARRIVE WED AROUND 14-16Z IN SETX. .KHGX...SCA BAYS AND GULF WATERS. 45/41/48 CLL EE 076/064 078/065 078 3232 IAH EE 077/065 078/066 078 3232 GLS EE 072/067 074/068 074 2222 NE EE 076/062 077/063 077 2222
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.