Alert archive / Texas / Tornado Warnings in 2000
Tornado Warning 26, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this tornado warning at Nov 12, 2000, 1:10 PM CST for Austin County, Colorado County, Texas. It was in force for 65 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
- Nov 12, 2000, 1:10 PM CST (19:10 UTC)
- Expired
- Nov 12, 2000, 2:15 PM CST
- In force
- 65 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Austin County, TX, Colorado County, TX
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 12:00Z, 7.2 hours before the alert went out and 251 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
- 622 J/kg
- Mixed-layer CIN
- -28 J/kg
- Mixed-layer LCL
- 712 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 119 m²/s²
- 0-3 km storm-relative helicity
- 103 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 2.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS54 KHGX 121912 TORHOU TXC015-089-122015- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 110 PM CST SUN NOV 12 2000 THE NATIONAL WEATHER SERVICE IN HOUSTON/GALVESTON TX HAS ISSUED A * TORNADO WARNING FOR... COLORADO COUNTY IN SOUTHEAST TEXAS AUSTIN COUNTY IN SOUTHEAST TEXAS * UNTIL 215 PM CST * AT 108 PM CST...DOPPLER RADAR INDICATED A THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 5 MILES SOUTHWEST OF FRELSBURG...MOVING NORTHEAST AT 20 MPH. * LOCATIONS IN THE PATH OF THE TORNADO INCLUDE... FRELSBURG NEW ULM INDUSTRY MOVE TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR. ABANDON YOUR CAR OR MOBILE HOME FOR A STRONG2 SHELTER NOW! 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 2984 9676 2971 9660 2999 9620 3006 9652
What forecasters said that day
The local office's own words before this tornado 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 tornado warning went out at Nov 12, 9:45 AM CST, 3 hours 25 minutes earlier.
Area forecast discussion, Nov 12, 9:45 AM CST, 3 hours 25 minutes before
SOUTHEAST TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 945 AM CST SUN NOV 12 2000 PARTLY CLOUDY OVER THE SRN HALF AND CLOUDY OVER THE NRN HALF OF SERN TX AT MID MORNING. FOG SHOULD LIFT AT REMAINING LOCATIONS BY 11 AM. THE MAIN UPDATE ISSUES ARE SEVERE THREAT... POPS...AND TEMPS. PER COORD CALL WITH SPC...THE SEVERE THREAT SEEMS HIGHER THAT PREVIOUSLY THOUGHT...ESPECIALLY WITH CLEARING SKIES AND STRONG MOIST ADVECTION OCCURRING IN THE SRN HALF OF THE AREA. SO WILL UPDATE THE ZONES AND SPS TO ADD SEVERE WORDING IN LINE WITH NEW SPC SWODY1. SIMILARLY...EARLIER UPDATE FOR HIGHER POPS LOOKS GOOD... NO CHANGES THERE. FINALLY...TEMPS WILL NEED UPDATING IN THE COASTAL AND CNTRL ZONES AS GLS IS ALREADY ABOVE ITS FORECAST HIGH. THE NRN ZONES WILL LIKELY HOLD ON TO ENOUGH CLOUDCOVER...AND PRECIP WILL START EARLY ENOUGH...TO HOLD HIGHS AT CURRENT FORECAST. THANKS FOR COORD SPC. .KHGX...SCEC TODAY...SCA LIKELY TONIGHT FOR ALL BAYS AND GULF WATERS. 31/47/48 UPDATE PRELIMS... CLL TB 066/048 054/033 056 782 IAH TE 071/056 060/038 060 593 3F WARMER TODAY GLS CE 077/066 063/049 065 384 3F WARMER TODAY
In the hours before
Special weather statement, Nov 12, 10:15 AM CST, 2 hours 55 minutes before
TXZ163-164-176>179-195>200-210>214-226-227-235>238-130300- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 1015 AM CST SUN NOV 12 2000 ...SEVERE STORMS POSSIBLE FROM MID AFTERNOON THROUGH LATE EVENING... ...HEAVY RAIN POSSIBLE FROM MID AFTERNOON THROUGH THE NIGHT... MOIST GULF AIR...A STRONG JETSTREAM...AND A COLD FRONT WILL COMBINE TO PRODUCE SHOWERS AND THUNDERSTORMS ACROSS SOUTHEAST TEXAS LATE THIS AFTERNOON AND TONIGHT. THE STRONG WINDS ALOFT... TURNING WIND DIRECTION AS ALTITUDE INCREASES...AND MODERATE TO HIGH INSTABILITY INDICATE THE POTENTIAL FOR SOME STORMS TO BECOME SEVERE AND PRODUCE DAMAGING WINDS OR ISOLATED TORNADOES. IN ADDITION...THE SLOW MOVEMENT OF THE COLD FRONT INDICATES STORMS MAY PASS OVER THE SAME AREA...PRODUCING HEAVY RAIN. HEAVY RAIN WILL RUNOFF QUICKLY SINCE THE GROUND IS SATURATED FROM HEAVY RAIN OVER THE PAST TWO WEEKS. THE MAIN THREAT AREA FOR SEVERE STORMS IS ALONG AND SOUTHWEST OF INTERSTATE 45. THIS INCLUDES HUNTSVILLE...BRYAN...COLLEGE STATION... CONROE...METRO HOUSTON...GALVESTON...BRENHAM...COLUMBUS AND WHARTON. HEAVY RAIN IS POSSIBLE THROUGHOUT ALL OF SOUTHEAST TEXAS FROM LATE AFTERNOON OVERNIGHT. RAINFALL TOTALS ARE FORECAST TO AVERAGE AROUND 1 INCH...WITH A FEW SPOTS RECEIVING 2 TO 3 INCHES. AFTER THE SHOWERS AND THUNDERSTORMS END MONDAY MORNING...HIGH PRESSURE WILL BRING COLD...DRY AIR INTO SOUTHEAST TEXAS. LOW TEMPERATURES MONDAY AND TUESDAY NIGHTS WILL RANGE FROM THE LOWER TO MID 30S NORTH OF INTERSTATE 10...WITH MID TO UPPER 30S TO THE SOUTH. MAKE PLANS NOW TO COVER OR BRING IN DELICATE PLANTS. CHECK BACK WITH NOAA WEATHER RADIO OR OTHER NEWS SOURCES FOR THE LATEST FORECAST...STATEMENTS...AND POSSIBLE WARNINGS. 31/JWZ
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 12, 1:42 PM CST | Tornado Warning | HGX | Colorado, Jackson, Wharton | 63 min |
| Nov 12, 2:52 PM CST | Severe Thunderstorm Warning | HGX | Austin, Colorado, Washington | 53 min |
| Nov 12, 3:09 PM CST | Tornado Warning | HGX | Austin, Colorado, Washington | 36 min |
| Nov 12, 3:41 PM CST | Tornado Warning | HGX | Austin, Colorado | 49 min |
| Nov 12, 3:49 PM CST | Tornado Warning | HGX | Waller | 56 min |
| Nov 12, 4:11 PM CST | Tornado Warning | HGX | Colorado | 49 min |
| Nov 12, 4:11 PM CST | Tornado Warning | HGX | Harris, Montgomery | 64 min |
| Nov 12, 4:25 PM CST | Tornado Warning | HGX | Austin | 35 min |
| Nov 12, 4:57 PM CST | Tornado Warning | HGX | Colorado | 33 min |
| Nov 12, 5:12 PM CST | Tornado Warning | HGX | Waller | 48 min |
| Nov 12, 5:29 PM CST | Severe Thunderstorm Warning | HGX | Austin, Colorado, Wharton | 31 min |
Nearby
Tornado Warnings in Texas, 2000Every tornado warning in 2000Tornadoes 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.