Alert archive / Texas / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 89, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 24, 2001, 10:30 PM CDT for Frio County, Medina County, Texas. It was in force for 60 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
- May 24, 2001, 10:30 PM CDT (03:30 UTC)
- Expired
- May 24, 2001, 11:30 PM CDT
- In force
- 60 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Frio County, TX, Medina County, TX
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 24, 5:30 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 3.5 hours before the alert went out and 168 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
- 813 J/kg
- Mixed-layer CIN
- -30 J/kg
- Mixed-layer LCL
- 3306 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 41 m²/s²
- 0-3 km storm-relative helicity
- 10 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 250332 SVRSAT TXC163-325-250430- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1030 PM CDT THU MAY 24 2001 THE NATIONAL WEATHER SERVICE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR THE FOLLOWING COUNTIES IN TEXAS... MEDINA FRIO * UNTIL 1130 PM CDT * AT 1030 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 8 MILES WEST OF YANCEY...OR ABOUT 17 MILES SOUTH OF HONDO...MOVING SOUTHEAST AT 20 MPH. OTHER SEVERE THUNDERSTORMS 10 MILES NORHTWEST OF FRIO TOWN AND NEAR NATALIA...MOVING SOUTHEAST AT 20 MPH * THE SEVERE THUNDERSTORM WILL BE... 7 MILES SOUTHWEST OF YANCEY AT 1035 PM 7 MILES NORTHEAST OF FRIO TOWN AT 1045 PM 5 MILES NORTHWEST OF PEARSALL AT 1130 PM * THIS WARNING INCLUDES LOCATIONS IN AND AROUND... YANCEY FRIO TOWN PEARSALL DEVINE MOORE THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD PREPARE FOR DAMAGING WINDS IN EXCESS OF 55 MPH...LARGE HAIL...AND DEADLY LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS. LAT...LON 2914 9939 2867 9938 2866 9885 2927 9882
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 May 24, 7:50 PM CDT, 2 hours 40 minutes earlier.
Area forecast discussion, May 24, 7:50 PM CDT, 2 hours 40 minutes before
SOUTH CENTRAL TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 750 PM CDT THU MAY 24 2001 UPDATED ZONES TO REFLECT SEVERE THUNDERSTORM WATCH UNITL 2 AM FRIDAY...NO OTHER CHANGES AS ONGOING FORECAST ON TRACK. 04/06/JB PREVIOUS DISCUSSION UPDATED ZONES TO REFLECT SEVERE THUNDERSTORM WATCH UNTIL 11 PM... NO OTHER CHANGES AS ONGOING FORECAST ON TRACK. 04/06/JB AFTERNOON DISCUSSION... COLD FRONT NOW PUSHING INTO THE COUNTY WARNING AND FORECAST AREA WITH FALLING DEWPOINTS OVER CENTRAL TEXAS. THEREFORE, THE CHANCE OF RAIN OVER THE AUSTIN AREA APPEARS LESS THAN PREVIOUSLY ASSESSED. WILL KEEP POPS IN THE 10 TO 20 RANGE ACROSS NORTHERN SECTIONS. WITH NO SIGNIFICANT BUILDUPS NEAR THE AREA, AM LEANING TOWARD SLIGHT CHANCE POPS ALL OTHER AREAS EXCEPT SOUTHEAST. ONCE THUNDERSTORMS BEGIN, SOME ENHANCEMENT IS POSSIBLE AS AN UPSTREAM SHORTWAVE APPROACHES. TOMORROW, ANOTHER SEVERE WEATHER EVENT SHOULD UNFOLD AS THE AREA WILL FIND ITSELF IN THE ENTRANCE REGION OF AN UPPER JET WHILE WEAK SHORTWAVE DISTURBANCES PASS DOWN IN NW FLOW. 12Z MODEL RUNS CONTINUE THE TREND OF A WEAKER COLD FRONT AND EARLIER RETREAT OF THE FRONTAL ZONE SATURDAY INTO SUNDAY. WILL TAKE AN AVN/ETA MIX TO END THE CHANCE OF RAIN AFTER SATURDAY NIGHT WITH THE UPPER RIDGE TAKING HOLD SUNDAY. ON TEMPS, WILL FAVOR COOLER PREVIOUS FORECAST NUMBERS OVER MODEL GUIDANCE WHICH APPEARS TOO WARM AT NIGHT. THE EXTENDED FORECAST WILL BE LEFT MUCH THE SAME AS MODEL CONSENSUS KEEPS AN UPPER RIDGE OVER SOUTH TX. PRELIMINARY NUMBERS... AUS 60/83/62/88 2333 DRT 69/94/70/97 2331 SAT 65/85/66/89 2332 .EWX...NONE. 18/2/23 m
In the hours before
Local storm report, May 24, 9:22 PM CDT, 1 hour 8 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO, TX
922 PM CDT THU MAY 24 2001
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0910 PM HONDO TX 1.50 INCH HAIL
05/24/01 MEDINA NORTH OF HONDO REPORTED BY
LAW ENFORCEMENT
CFMThe office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 24, 7:45 PM CDT | Severe Thunderstorm Warning | EWX | Gillespie | 60 min |
| May 24, 7:48 PM CDT | Severe Thunderstorm Warning | EWX | Edwards | 57 min |
| May 24, 8:04 PM CDT | Tornado Warning | EWX | Edwards | 41 min |
| May 24, 8:16 PM CDT | Severe Thunderstorm Warning | EWX | Real | 44 min |
| May 24, 8:42 PM CDT | Severe Thunderstorm Warning | EWX | Kinney, Val Verde | 63 min |
| May 24, 8:54 PM CDT | Severe Thunderstorm Warning | EWX | Gillespie, Llano | 51 min |
| May 24, 9:17 PM CDT | Severe Thunderstorm Warning | EWX | Medina | 58 min |
| May 24, 9:19 PM CDT | Severe Thunderstorm Warning | EWX | Uvalde | 56 min |
| May 24, 9:41 PM CDT | Severe Thunderstorm Warning | EWX | Blanco, Burnet, Llano | 64 min |
| May 24, 9:46 PM CDT | Severe Thunderstorm Warning | EWX | Uvalde, Zavala | 59 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2001Every severe thunderstorm warning in 2001
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.