Alert archive / Texas / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 83, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 27, 2002, 5:24 PM CDT for Val Verde County, Texas. It was in force for 51 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 27, 2002, 5:24 PM CDT (22:24 UTC)
- Expired
- May 27, 2002, 6:15 PM CDT
- In force
- 51 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Counties, with a storm outline in the text
County Val Verde County, TX
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
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 27, 1:15 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Del Rio, TX (KDRT), launched 12:00Z, 10.4 hours before the alert went out and 101 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
- 1596 J/kg
- Mixed-layer CIN
- -227 J/kg
- Mixed-layer LCL
- 752 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 219 m²/s²
- 0-3 km storm-relative helicity
- 284 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 KEWX 272224 SVRSAT TXC465-272315- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 522 PM CDT MON MAY 27 2002 THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR THE FOLLOWING COUNTIES IN TEXAS... VAL VERDE * UNTIL 615 PM CDT * AT 522 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM OVER VAL VERDE COUNTY...OR ABOUT 55 MILES SOUTHWEST OF OZONA...MOVING SOUTHEAST AT 25 MPH. * THE SEVERE THUNDERSTORM WILL BE... NEAR LANGTRY AT 545 PM IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. 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. LAT...LON 3019 10178 3004 10190 2967 10136 2989 10118
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 27, 1:55 PM CDT, 3 hours 29 minutes earlier.
Area forecast discussion, May 27, 1:55 PM CDT, 3 hours 29 minutes before
SOUTH CENTRAL TEXAS FORECAST DISCUSSION...CORRECTION TO DATE NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 155 PM CDT MON MAY 27 2002 CURRENT CONVECTION WILL CONTINUE TRACKING EAST AIDED BY A JET STREAK AND 700 MB TROUGH. WINDS ALOFT, GRADUALLY SHIFTING TO THE NORTHWEST, WILL SEND A COLD FRONT INTO SOUTH TEXAS WEDNESDAY NIGHT. WILL RUN A RISK OF SEVERE THUNDERSTORMS UNTIL FRONTAL PASSAGE. AN UPPER LOW WILL SKIRT ACROSS EASTERN COUNTIES AFTER FROPA KEEPING CHANCE OF SHOWERS AND THUNDERSTORMS IN THAT AREA THROUGH FRIDAY. ULTIMATE TRACK OF THIS UPPER LOW WILL DETERMINE AERIAL COVERAGE OF RESIDUAL SHOWERS AND THUNDERSTORMS. BIG BUBBLE HIGH NEAR TEXAS PANHANDLE SATURDAY WILL KEEP CONDITIONS STABLE THROUGH THE WEEKEND. RAIN COOLED MINS WILL RUN 5 TO 10 DEGREES BELOW NORMAL TONIGHT AND TUESDAY NIGHT. AFTER FROPA, EXPECT MAX TEMPS NEAR NORMAL AND MIN TEMPS BELOW NORMAL. PRELIM NUMBERS... AUS 63 90 63 91 62 4355 SAT 66 90 65 90 65 4355 DRT 67 95 67 94 65 4344 .EWX...TOR WATCH #343 TIL 8PM. 06/08
In the hours before
Special weather statement, May 27, 12:35 PM CDT, 4 hours 49 minutes before
TXZ171>173-183>194-202>209-217>225-228-272000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1235 PM CDT MON MAY 27 2002 ...CHANCE OF SHOWERS OR THUNDERSTORMS THIS AFTERNOON THROUGH EARLY TUESDAY MORNING OVER SOUTH CENTRAL TEXAS... A WEATHER SYSTEM PASSING TO THE NORTH OF SOUTH CENTRAL TEXAS THIS AFTERNOON MAY CAUSE WIDELY SCATTERED SHOWERS OR A FEW THUNDERSTORMS FROM THE TEXAS HILL COUNTRY EAST TO THE AUSTIN AREA THIS AFTERNOON. FOR TONIGHT...ANOTHER WEATHER SYSTEM IS EXPECTED TO MOVE IN FROM THE WEST...CAUSING A CHANCE OF SHOWERS OR THUNDERSTORMS OVER PARTS OF SOUTH CENTRAL TEXAS TONIGHT TO EARLY TUESDAY MORNING. STRONG GUSTY WINDS...SOME HAIL...AND DANGEROUS LIGHTNING ARE POSSIBLE WITH THUNDERSTORMS THROUGH EARLY TUESDAY MORNING.
Special weather statement, May 27, 2:33 PM CDT, 2 hours 51 minutes before
TXZ171>173-183>194-202>208-217>221-228-280600- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 233 PM CDT MON MAY 27 2002 ...INCREASING CHANCE OF THUNDERSTORMS LATER THIS AFTERNOON THROUGH TONIGHT... THIS OUTLOOK APPLIES TO THE FOLLOWING SPECIFIC COUNTIES... ATASCOSA...BANDERA...BASTROP...BEXAR...BLANCO...BURNET...CALDWELL... COMAL...DIMMIT...EDWARDS...FRIO...GILLESPIE...GUADALUPE...HAYS... KENDALL...KERR...KINNEY...LEE...LLANO...MAVERICK...MEDINA...REAL... TRAVIS...UVALDE...VAL VERDE...WILLIAMSON...WILSON AND ZAVALA. A WEATHER SYSTEM OVER WEST TEXAS WILL CONTINUE MOVING EAST... CAUSING AN INCREASING CHANCE OF SHOWERS AND THUNDERSTORMS FOR PARTS OF THE HILL COUNTRY AND SOUTH CENTRAL TEXAS LATER TODAY THROUGH TONIGHT. SOME OF THE THUNDERSTORMS MAY BE SEVERE. DAMAGING WINDS...HAIL...AND DANGEROUS LIGHTNING IS POSSIBLE. A WEATHER SYSTEM PASSING NORTH OF SOUTH CENTRAL TEXAS THIS AFTERNOON MAY CAUSE WIDELY SCATTERED SHOWERS FOR THE TEXAS HILL COUNTRY EAST TO THE AUSTIN AREA THIS AFTERNOON. FURTHER WEST...THUNDERSTORMS HAVE ALL READY FORMED WEST OF VAL VERDE COUNTY...AND ARE MOVING EAST. THIS THUNDERSTORM COMPLEX IS ASSOCIATED WITH THE NEXT UPPER AIR DISTURBANCE... THAT IS FORECAST TO MOVE EAST AND CAUSE AN INCREASING CHANCE OF THUNDERSTORMS FOR THE HILL COUNTRY AND SOUTH CENTRAL TEXAS LATER THIS AFTERNOON AND TONIGHT...AND SOME THUNDERSTORMS MAY BE SEVERE. SPOTTER NETWORKS MAY NEED TO BE ACTIVATED AS THE THUNDERSTORMS MOVE INTO THE THREATENED AREA. FOR INFORMATION ON WEATHER THREATS IN SURROUNDING AREAS...REFER TO OUTLOOKS FROM OFFICES IN MIDLAND... SAN ANGELO... FORT WORTH... HOUSTON/GALVESTON AND CORPUS CHRISTI.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 27, 1:42 AM CDT | Severe Thunderstorm Warning | EWX | Kinney, Val Verde | 63 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2002Every severe thunderstorm warning in 2002
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.