Alert archive / Texas / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 178, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Nov 23, 2000, 7:48 PM CST for Gillespie County, Texas. It was in force for 57 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
- Nov 23, 2000, 7:48 PM CST (01:48 UTC)
- Expired
- Nov 23, 2000, 8:45 PM CST
- In force
- 57 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Gillespie County, TX
The radar
The Austin/San Antonio radar (KEWX), 112 km from the middle of the area, began a volume at 01:52 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Nov 23, 7:30 PM CST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 1.8 hours before the alert went out and 211 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
- 387 J/kg
- Mixed-layer CIN
- -224 J/kg
- Mixed-layer LCL
- 963 m above ground
- 0-6 km bulk shear
- 76 kt
- 0-1 km storm-relative helicity
- 90 m²/s²
- 0-3 km storm-relative helicity
- 931 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KEWX 240149 SVRSAT TXC171-240245- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 748 PM CST THU NOV 23 2000 THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR THE FOLLOWING COUNTIES IN TEXAS... GILLESPIE COUNTY * UNTIL 845 PM CST * AT 748 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED SEVERE THUNDERSTORMS OVER WESTERN GILLESPIE COUNTY MOVING EAST AT 30 MPH. STRONG GUSTY WINDS...HAIL AND LOCALLY HEAVY RAIN IS POSSIBLE WITH THESE THUNDERSTORMS. IF SEVERE WEATHER APPROACHES YOUR AREA...GO INSIDE A STURDY SHELTER AWAY FROM CREEK BEDS AND OTHER FLOOD-PRONE AREAS. REMEMBER...A SEVERE THUNDERSTORM CAN PRODUCE LARGE DAMAGING HAIL...DAMAGING WINDS IN EXCESS OF 55 MPH...DEADLY LIGHTNING...AND VERY HEAVY RAIN. A TORNADO WATCH IS IN EFFECT. SEVERE THUNDERSTORMS CAN AND DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. PREPARE TO MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE SUCH AS A BASEMENT OR SMALL INTERIOR ROOM IF A TORNADO IS SPOTTED.
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 Austin/San Antonio, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Nov 23, 2:00 PM CST, 5 hours 48 minutes earlier.
Area forecast discussion, Nov 23, 2:00 PM CST, 5 hours 48 minutes before
SOUTH CENTRAL TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 200 PM CST THU NOV 23 2000 THUNDERSTORMS FIRING ALONG A PRE-FRONTAL TROUGH OVER THE TRANS PECOS TO SOUTH PLAINS. CURRENT FORECAST IN LINE WITH LATEST MODEL RUNS AND WILL MAKE FEW CHANGES EXCEPT FOR STRONGER WINDS (LIKELY MEETING WIND ADVISORY CRITERIA) FOR FRIDAY. SQUALL LINE EXPECTED MAINLY OVER AND EAST OF THE ESCARPMENT THIS EVENING MOVING THROUGH CWA BEFORE SUNRISE TOMORROW. FLASH FLOOD WATCH FOR I-35 CORRIDOR EASTWARD CONTINUES THROUGH TONIGHT. SOME WRAP AROUND RAIN/CLOUDS EAST AND NORTHEAST TOMORROW WHILE SUNSHINE OVER WESTERN HALF. DRIER WEATHER AHEAD FOR THE NEXT 7 DAYS WITH TEMPS PRETTY SEASONABLE. ONLY A SLIGHT CHANCE OF RAIN SUNDAY AND AGAIN WEDNESDAY. TEMPS NEXT COUPLE OF DAYS CLOSE TO MAV GUIDANCE. PRELIMINARY NUMBERS... AUS 048/062 043/063 8200 DRT 044/065 039/066 2000 SAT 052/066 042/064 7-00 .EWX...FLASH FLOOD WATCH THROUGH TONIGHT FOR EASTERN PORTIONS OF SOUTH CENTRAL TEXAS. 3/8/23
In the hours before
Special weather statement, Nov 23, 2:53 PM CST, 4 hours 55 minutes before
TXZ171>173-183>194-202>209-217>225-228-240000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 253 PM CST THU NOV 23 2000 ...SEVERE THUNDERSTORMS POSSIBLE LATER TODAY AND TONIGHT ACROSS PORTIONS OF THE HILL COUNTRY AND SOUTH CENTRAL TEXAS... A WEATHER SYSTEM FROM THE TEXAS PANHANDLE TO THE BIG BEND IS MOVING QUICKLY TO THE EAST...CAUSING SHOWERS AND THUNDERSTORMS TO FORM FROM WEST TO NORTH OF VAL VERDE COUNTY AND DEL RIO. SHOWERS AND THUNDERSTORMS ARE EXPECTED TO FORM LATER THIS AFTERNOON AND EVENING...AHEAD OF AND ALONG THE APPROACHING WEATHER SYSTEM... OVER THE HILL COUNTRY AND SOUTH CENTRAL TEXAS. SHOWERS AND THUNDERSTORMS COULD DEVELOP INTO A LINE OF STORMS AND MOVE EAST. SOME OF THE THUNDERSTORMS COULD BECOME SEVERE. DAMAGING STRAIGHT LINE WINDS...FREQUENT DEADLY LIGHTNING...SOME HAIL AND ISOLATED TORNADOES ARE POSSIBLE WITH THE STRONGER STORMS. WITH THE GROUND SATURATED AND TREES FULL OF FOLIAGE...SOME TREES MAY BE BLOWN DOWN. LOCALLY HEAVY RAIN IS ALSO POSSIBLE. THIS MAY CAUSE SOME FLOODING AT LOW WATER CROSSINGS OR OTHER LOW LYING AREAS. A FLASH FLOOD WATCH CONTINUES THROUGH TONIGHT OVER SOUTH CENTRAL TEXAS ALONG AND EAST OF I35. LAW ENFORCEMENT AGENCIES...EMERGENCY MANAGEMENT OFFICIALS...STORM SPOTTER GROUPS...AND OTHER INTERESTED CONCERNS SHOULD MONITOR THIS SITUATION AND TAKE APPROPRIATE ACTION SHOULD SEVERE WEATHER THREATEN YOUR AREA. SPOTTER ACTIVATION MAY BE REQUIRED ACROSS THE HILL COUNTRY AND SOUTH CENTRAL TEXAS LATER THIS AFTERNOON...THIS EVENING AND TONIGHT. ON FRIDAY...A WINDY DAY IS EXPECTED...WITH DAYTIME HIGHS IN THE 60S AND NORTHWEST WINDS 20 TO 30 MPH...DIMINISHING LATE FRIDAY AFTERNOON TO FRIDAY EVENING.
Special weather statement, Nov 23, 3:44 PM CST, 4 hours 4 minutes before
TXZ171>173-183>194-202>209-217>225-228-240000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 344 PM CST THU NOV 23 2000 ...SHOWERS AND THUNDERSTORMS COMING TO PORTIONS OF THE HILL COUNTRY AND SOUTH CENTRAL TEXAS THANKSGIVING DAY 2000... A WEATHER SYSTEM FROM THE TEXAS PANHANDLE TO THE BIG BEND IS MOVING QUICKLY TO THE EAST...CAUSING SHOWERS AND THUNDERSTORMS TO DEVELOP RAPIDLY FROM WEST TO NORTH OF VAL VERDE COUNTY AND DEL RIO. SHOWERS AND THUNDERSTORMS ARE EXPECTED TO SPREAD EAST AND INCREASE LATER THIS AFTERNOON THROUGH TONIGHT...WITH THE APPROACHING WEATHER SYSTEM...OVER THE HILL COUNTRY AND SOUTH CENTRAL TEXAS. SHOWERS AND THUNDERSTORMS COULD DEVELOP INTO A LINE OF STORMS...AS THEY MOVE EAST. SOME OF THE THUNDERSTORMS COULD BECOME SEVERE. DAMAGING STRAIGHT LINE WINDS...FREQUENT DEADLY LIGHTNING...SOME HAIL AND ISOLATED TORNADOES ARE POSSIBLE WITH THE STRONGER STORMS. WITH THE GROUND SATURATED AND TREES FULL OF FOLIAGE...SOME TREES MAY BE BLOWN DOWN. LOCALLY HEAVY RAIN IS ALSO POSSIBLE. THIS MAY CAUSE SOME FLOODING AT LOW WATER CROSSINGS OR OTHER LOW LYING AREAS. A FLASH FLOOD WATCH CONTINUES THROUGH TONIGHT OVER SOUTH CENTRAL TEXAS ALONG AND EAST OF I35. LAW ENFORCEMENT AGENCIES...EMERGENCY MANAGEMENT OFFICIALS...STORM SPOTTER GROUPS...AND OTHER INTERESTED CONCERNS SHOULD MONITOR THIS SITUATION AND TAKE APPROPRIATE ACTION SHOULD SEVERE WEATHER THREATEN YOUR AREA. SPOTTER ACTIVATION MAY BE REQUIRED ACROSS THE HILL COUNTRY AND SOUTH CENTRAL TEXAS LATER THIS AFTERNOON...THIS EVENING AND TONIGHT. ON FRIDAY...A WINDY DAY IS EXPECTED...WITH DAYTIME HIGHS IN THE 60S o AND NORTHWEST WINDS 20 TO 30 MPH...DIMINISHING LATE FRIDAY AFTERNOON TO FRIDAY EVENING.
Special weather statement, Nov 23, 4:50 PM CST, 2 hours 58 minutes before
TXZ171>173-183>194-202>209-217>225-228-240000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 450 PM CST THU NOV 23 2000 ...SHOWERS AND THUNDERSTORMS COMING TO PORTIONS OF THE HILL COUNTRY AND SOUTH CENTRAL TEXAS THANKSGIVING DAY 2000... THUNDERSTORMS WERE FROM NORTHERN VAL VERDE COUNTY AND EXTENDED NORTH TOWARD SAN ANGELO. FURTHER EAST WIDELY SCATTERED SHOWERS WERE DEVELOPING OVER PARTS OF CENTRAL TEXAS. THESE SHOWERS AND THUNDERSTORMS WERE FORMING A LINE OF STORMS AND ARE EXPECTED TO SPREAD EAST AND INCREASE LATER THIS AFTERNOON...THIS EVENING AND TONIGHT OVER THE HILL COUNTRY AND SOUTH CENTRAL TEXAS. SOME OF THE THUNDERSTORMS COULD BECOME SEVERE. DAMAGING STRAIGHT LINE WINDS...FREQUENT DEADLY LIGHTNING...SOME HAIL AND ISOLATED TORNADOES ARE POSSIBLE WITH THE STRONGER STORMS. WITH THE GROUND SATURATED AND TREES FULL OF FOLIAGE...SOME TREES MAY BE BLOWN DOWN. LOCALLY HEAVY RAIN IS ALSO POSSIBLE. THIS MAY CAUSE SOME FLOODING AT LOW WATER CROSSINGS OR OTHER LOW LYING AREAS. A FLASH FLOOD WATCH CONTINUES THROUGH TONIGHT OVER SOUTH CENTRAL TEXAS ALONG AND EAST OF I35. ON FRIDAY...A WINDY DAY IS EXPECTED...WITH DAYTIME HIGHS IN THE 60S AND NORTHWEST WINDS 20 TO 30 MPH...DIMINISHING LATE FRIDAY AFTERNOON TO FRIDAY EVENING.
Special weather statement, Nov 23, 5:20 PM CST, 2 hours 28 minutes before
TXZ171>173-183>194-202>209-217>225-228-240045- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 520 PM CST THU NOV 23 2000 ...SHOWERS AND THUNDERSTORMS COMING TO PORTIONS OF THE HILL COUNTRY AND SOUTH CENTRAL TEXAS THANKSGIVING DAY 2000... SHOWERS AND THUNDERSTORMS WERE FROM NORTHERN VAL VERDE AND EDWARDS COUNTIES AND EXTENDED NORTH TOWARD SAN ANGELO. FURTHER EAST...SCATTERED SHOWERS AND THUNDERSTORMS WERE OVER PARTS OF WILLIAMSON...TRAVIS...LEE...BASTROP...HAYS...CALDWELL AND AND GONZALES COUNTIES. MOVEMENT OF SHOWERS AND THUNDERSTORMS WAS EAST AROUND 25 MPH. THESE SHOWERS AND THUNDERSTORMS WERE FORMING OVER PARTS OF CENTRAL AND SOUTH CENTRAL TEXAS...AHEAD OF THE WEATHER SYSTEM IN WEST TEXAS. THE CHANCE OF SHOWERS AND THUNDERSTORMS CONTINUES THROUGH TONIGHT OVER PARTS OF THE HILL COUNTRY...CENTRAL AND SOUTH CENTRAL TEXAS. A FEW OF THE THUNDERSTORMS COULD BECOME SEVERE. STRONG GUSTY WINDS...FREQUENT DEADLY LIGHTNING...SOME HAIL AND ARE POSSIBLE WITH THE STRONGER STORMS. WITH THE GROUND SATURATED AND TREES FULL OF FOLIAGE...SOME TREES IN THE WAY OF GUSTY WINDS COULD BE BLOWN DOWN. LOCALLY HEAVY RAIN COULD DEVELOP. THIS MAY CAUSE SOME FLOODING AT LOW WATER CROSSINGS OR OTHER LOW LYING AREAS. A FLASH FLOOD WATCH CONTINUES THROUGH TONIGHT OVER SOUTH CENTRAL TEXAS ALONG AND EAST OF I35. ON FRIDAY...A WINDY DAY IS EXPECTED...WITH DAYTIME HIGHS IN THE 60S AND NORTHWEST WINDS 20 TO 30 MPH...DIMINISHING LATE FRIDAY AFTERNOON TO FRIDAY EVENING.
Special weather statement, Nov 23, 6:45 PM CST, 1 hour 3 minutes before
TXZ171>173-183>194-202>209-217>225-228-240130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 645 PM CST THU NOV 23 2000 ...SHOWERS AND THUNDERSTORMS OVER PARTS OF THE HILL COUNTRY AND SOUTH CENTRAL TEXAS... SHOWERS AND THUNDERSTORMS CONTINUED TO SPREAD EAST ACROSS THE HILL COUNTRY AND SOUTH CENTRAL TEXAS FROM THE WEST...AND THIS TREND WILL CONTINUE THE NEXT FEW HOURS. FURTHER EAST...SCATTERED SHOWERS AND THUNDERSTORMS WERE OVER PARTS OF WILLIAMSON...TRAVIS...LEE...BASTROP...HAYS...CALDWELL AND GONZALES COUNTIES. SHOWERS AND THUNDERSTORMS WERE MOVING EAST AROUND 30 MPH. THESE SHOWERS AND THUNDERSTORMS WERE FORMING OVER PARTS OF CENTRAL AND SOUTH CENTRAL TEXAS...AHEAD OF THE WEATHER SYSTEM IN WEST TEXAS. THE CHANCE OF SHOWERS AND THUNDERSTORMS CONTINUES THROUGH TONIGHT OVER PARTS OF THE HILL COUNTRY...CENTRAL AND SOUTH CENTRAL TEXAS. SOME OF THE THUNDERSTORMS COULD BECOME SEVERE. STRONG GUSTY WINDS...FREQUENT DEADLY LIGHTNING...SOME HAIL AND ARE POSSIBLE WITH THE STRONGER STORMS. WITH THE GROUND SATURATED AND TREES FULL OF FOLIAGE...SOME TREES IN THE WAY OF GUSTY WINDS COULD BE BLOWN DOWN. LOCALLY HEAVY RAIN COULD DEVELOP. THIS MAY CAUSE SOME FLOODING AT LOW WATER CROSSINGS OR OTHER LOW LYING AREAS. A FLASH FLOOD WATCH CONTINUES THROUGH TONIGHT OVER SOUTH CENTRAL TEXAS ALONG AND EAST OF I35. ON FRIDAY...A WINDY DAY IS EXPECTED...WITH DAYTIME HIGHS IN THE 60S AND NORTHWEST WINDS 20 TO 30 MPH...DIMINISHING LATE FRIDAY AFTERNOON TO FRIDAY EVENING.
Special weather statement, Nov 23, 7:30 PM CST, 18 minutes before
TXZ171>173-183>194-202>209-217>225-228-240200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 730 PM CST THU NOV 23 2000 ...TORNADO WATCH UNTIL 1 AM CST FRIDAY FOR PARTS CENTRAL TEXAS AND EAST PART OF SOUTH CENTRAL TEXAS... ...SHOWERS AND THUNDERSTORMS OVER PARTS OF THE HILL COUNTRY AND SOUTH CENTRAL TEXAS... A TORNADO WATCH IS IN EFFECT UNTIL 1 AM CST FOR LLANO...BURNET... WILLIAMSON...LEE...GILLESPIE...BLANCO...KENDALL...TRAVIS...BASTROP... FAYETTE...COMAL...HAYS...GUADALUPE...CALDWELL...GONZALES... AND LAVACA COUNTIES. THIS INCLUDES THE AUSTIN METRO AREA. SHOWERS AND THUNDERSTORMS CONTINUED TO SPREAD EAST ACROSS THE HILL COUNTRY...CENTRAL AND SOUTH CENTRAL TEXAS FROM THE WEST. SHOWERS AND THUNDERSTORMS WILL INCREASE IN AN AREA FROM LLANO TO EAGLE PASS AND EXTENDING EAST TO AUSTIN...SAN ANTONIO...CUERO...AND SCHULENBURG. SOME OF THE THUNDERSTORMS COULD BECOME SEVERE... AND ISOLATED TORNADOES COULD FORM. SHOWERS AND THUNDERSTORMS WERE MOVING EAST AROUND 30 MPH. STRONG GUSTY WINDS...FREQUENT DEADLY LIGHTNING...SOME HAIL AND LOCALLY HEAVY RAIN ARE POSSIBLE WITH THE STRONGER STORMS. WITH THE GROUND SATURATED AND TREES FULL OF FOLIAGE...SOME TREES IN THE WAY OF GUSTY WINDS COULD BE BLOWN DOWN. SOME FLOODING AT LOW WATER CROSSINGS OR OTHER LOW LYING AREAS IS POSSIBLE WHERE LOCALLY HEAVY RAIN FALLS. A FLASH FLOOD WATCH CONTINUES THROUGH TONIGHT OVER SOUTH CENTRAL TEXAS ALONG AND EAST OF I35. ON FRIDAY...A WINDY DAY IS EXPECTED...WITH DAYTIME HIGHS IN THE 60S AND NORTHWEST WINDS 20 TO 30 MPH...DIMINISHING LATE FRIDAY AFTERNOON TO FRIDAY EVENING.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 23, 8:31 PM CST | Flash Flood Warning | EWX | Bexar, Medina | 3 hr |
| Nov 23, 8:35 PM CST | Flash Flood Warning | EWX | Comal, Hays | 3 hr |
| Nov 23, 8:55 PM CST | Tornado Warning | EWX | Dimmit, Zavala | 35 min |
| Nov 23, 9:03 PM CST | Severe Thunderstorm Warning | EWX | Frio | 57 min |
| Nov 23, 9:25 PM CST | Flash Flood Warning | EWX | Bastrop, Caldwell, Guadalupe, Travis, Williamson | 3 hr |
| Nov 23, 10:00 PM CST | Flash Flood Warning | EWX | Atascosa, Gonzales, Wilson | 3 hr |
| Nov 23, 10:31 PM CST | Flash Flood Warning | EWX | DeWitt, Fayette, Karnes, Lavaca, Lee | 3 hr |
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.