Alert archive / Texas / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 114, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Oct 22, 2002, 11:11 PM CDT for Edwards County, Val Verde County, Texas. It was in force for 64 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
- Oct 22, 2002, 11:11 PM CDT (04:11 UTC)
- Expired
- Oct 23, 2002, 12:15 AM CDT
- In force
- 64 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
Counties Edwards County, TX, Val Verde County, TX
The nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 4.2 hours before the alert went out and 64 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
- 1249 J/kg
- Mixed-layer CIN
- -63 J/kg
- Mixed-layer LCL
- 980 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 46 m²/s²
- 0-3 km storm-relative helicity
- 90 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 2.1
The text
As transmitted, in the capitals the NWS used until 2016.
148 WUUS54 KEWX 230411 SVRSAT TXC137-465-230515- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1110 PM CDT TUE OCT 22 2002 THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR THE FOLLOWING COUNTIES IN TEXAS... EDWARDS VAL VERDE * UNTIL 1215 AM CDT * AT 1110 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM OVER VAL VERDE COUNTY...OR ABOUT 31 MILES NORTH OF DEL RIO...MOVING EAST AT 25 MPH. * THE SEVERE THUNDERSTORM WILL BE... NEAR CARTA VALLEY AT 1120 PM 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. SEVERE THUNDERSTORMS CAN 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 Oct 22, 8:30 PM CDT, 2 hours 41 minutes earlier.
Area forecast discussion, Oct 22, 8:30 PM CDT, 2 hours 41 minutes before
SOUTH CENTRAL TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 830 PM CDT TUE OCT 22 2002 TEMPS IN THE HILL COUNTRY ALL READY IN THE MID 60S. WILL LOWER TEMPS 1 CATEGORY MOST PLACES. INCOMING SHOWERS AND THUNDERSTORMS WILL RAIN COOL TEMPS TO NEAR 60. UPPER DISTURBANCE IN THE JET STREAM AND RADAR LOOP SHOWS ACTIVITY IS MOVING THROUGH AT 20 TO 25 MPH...WHICH WOULD PUT THE LEADING EDGE AROUND EAGLE PASS AND ROCKSPRINGS BY MIDNIGHT...AND ALONG THE I-35 CORRIDOR FROM COTULLA TO GEORGETOWN AROUND 3AM IN THE MORNING. WILL LEAVE POPS AS IS. WEAK SFC BOUNDARY FOUND JUST NORTH OF HILL COUNTRY AND SOUTH OF US FROM LAREDO TO CORPUS. EAST SFC WINDS ARE FEEDING UP THE RIVER VALLEY CAUSING THE LINE OF SHOWERS AND THUNDERSTORMS TO BECOME MORE SOLID. THIS SCENARIO WILL PLAY OUT ALONG THE EASTERN FACE OF THE ESCARPMENT LATER TONIGHT AS THE RIVER VALLEYS BECOMING THE FOCUSED LIFTING AREAS. FARTHER NORTH THE NEXT COLD AIRMASS, WITH TEMPS IN THE 30S UNDER CLOUDY SKIES, HAS MOVED THROUGH SOUTHERN KANSAS. 06/08/PM PREVIOUS DISCUSSION... ANALYSIS... WESTERN 2/3RDS OF CWA SEES LARGE BREAKS IN CLOUD COVER...TEMPS ARE WARMING QUICKLY TOWARD 80...THE OLD FRONT IS HISTORY. THIS HEATING WILL BRING CAPES INTO THE 2500-3000 J/KG RANGE AND STORMS TO NEAR SEVERE LEVELS. SEVERE THREAT IS MAINLY DUE TO DOWNBURSTS...AS FREEZE LEVELS REMAIN HIGH. ISOLATED TORNADOES ALSO POSSIBLE DUE TO STRONG SHEAR IN THE LOWEST 3 KM (HELICITY 120-150 M2/S2.) THE OTHER CONCERN IS SPOTTY HEAVY RAIN OVER SOILS THAT ARE NEAR SATURATION FROM THE RAINS OF THE PAST TWO DAYS. EXPECT WIDESPREAD TSTM EVENT TO DEVELOP IN THE WEST TONITE AND SPREAD ACROSS THE CWA THRU THE EARLY MORNING HOURS...MUCH AS OCCURRED LAST NITE. RAIN AMOUNTS WILL GENERALLY BE BETWEEN .5 AND 1 INCH...BUT WITH PRECIP WATER VALUES RECOVERING WEST TO AROUND 1.8 INCHES...ISOLATED TOTALS TO 4 INCHES ARE POSSIBLE. THIS WOULD BE SUFFICIENT FOR FLASH FLOODING. BELIEVE THE GREATEST THREAT WOULD BE ALONG AND NORTH OF US90 AND ALONG AND EAST OF I35. IN FACT...THIS IS JUST THE FIRST ROUND OF HEAVY RAIN AND STORMS. ROUND TWO ARRIVES WED EVENING INTO THU MORNING...WITH A COLD FRONT DROPPING INTO THE PICTURE THU AFTN. THAT GIVES THE HIGHEST RAIN CHANCES THU AFTN INTO FRI MORNING...WITH SIGNIFICANT AND EXTENSIVE FLASH FLOODING POSSIBLE. FCST TONITE...TSTMS FORMING IN THE WEST AND CROSSING THE CWA LATE NITE HOURS. FLASH FLOOD WATCH IN EFFECT. NOT MUCH TEMP CHANGE. FCST WED...CLOUDY MORNING...PARTLY CLOUDY AFTN WITH STORMS FORMING IN THE WEST AGAIN. LIKELY WILL CONTINUE FLASH FLOOD WATCH. HIGHS NEAR 80. LOWS NEAR 70. FCST THU...A HIGH PROBABILITY OF TSTMS...MOST NUMEROUS THU AFTN AND THU NITE. HEAVY RAIN AND FLOODING POSSIBLE. FCST FRI...WIDESPREAD THUNDERSTORMS...WITH FLOODING STILL A THREAT. BOTH HIGH TEMPS AND LOW TEMPS ARE COOLER. FCST SAT THRU TUE...MOSTLY CLOUDY WITH A CHANCE OF RAIN. HIGHS IN THE 60S AND LOWS IN THE 50S. 09/01/PM PRELIMS... AUS TT 065/078 066/072 062 778+ DRT TT 066/080 067/078 063 5567 SAT TT 067/078 067/076 064 778+ .EWX...FLASH FLOOD WATCH THRU TONIGHT ALONG AND EAST OF DRT TO SAT TO PLEASANTON
Hazardous weather outlook, Oct 22, 5:39 AM CDT, 17 hours 32 minutes before
TXZ171>173-183>194-202>209-217>225-228-231100- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 539 AM CDT TUE OCT 22 2002 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH CENTRAL TEXAS. .DAY ONE... A WET WEATHER PATTERN WILL CONTINUE AS DISTURBANCES MOVING ACROSS FROM NORTHERN MEXICO INTERACT WITH A MOIST GULF AIRMASS ACROSS CENTRAL AND SOUTH TEXAS. SOME STORMS MAY BECOME SEVERE LATER TODAY AND TONIGHT...PRODUCING LARGE HAIL AND LOCALLY HEAVY RAINFALL. .SPOTTER CALL TO ACTION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED ACROSS SOUTHCENTRAL TEXAS LATER TODAY AND TONIGHT. .DAYS TWO THROUGH SEVEN... A SLIGHT RISK FOR SEVERE THUNDERSTORMS WILL EXIST THROUGH THURSDAY... AS THE WET WEATHER PATTERN HOLDS OVER THE AREA. A COLD FRONT WILL EASE INTO SOUTHCENTRAL TEXAS LATE THURSDAY AND INTO FRIDAY. SEVERE THUNDERSTORMS WILL BE POSSIBLE ALONG AND AHEAD OF THE FRONT. BEHIND THE FRONT...THE THREAT FOR SEVERE THUNDERSTORMS WILL DIMINISH...BUT THE THREAT OF LOCALLY HEAVY RAINFALL WILL PERSIST.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 22, 9:19 PM CDT | Flash Flood Warning | EWX | Val Verde | 3 hr |
| Oct 23, 3:25 AM CDT | Flash Flood Warning | EWX | Bexar, Guadalupe | 4 hr |
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.