Alert archive / Texas / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 105, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Aug 8, 2002, 7:11 PM CDT for Frio County, Texas. It was in force for 49 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
- Aug 8, 2002, 7:11 PM CDT (00:11 UTC)
- Expired
- Aug 8, 2002, 8:00 PM CDT
- In force
- 49 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Frio County, TX
The nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 0.2 hours before the alert went out and 177 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
- 449 J/kg
- Mixed-layer CIN
- -87 J/kg
- Mixed-layer LCL
- 2131 m above ground
- 0-6 km bulk shear
- 2 kt
- 0-1 km storm-relative helicity
- 0 m²/s²
- 0-3 km storm-relative helicity
- -7 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
256 WUUS54 KEWX 090011 SVRSAT TXC163-090100- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 710 PM CDT THU AUG 8 2002 THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR THE FOLLOWING COUNTIES IN TEXAS... FRIO * UNTIL 800 PM CDT * AT 705 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF POSSIBLE SEVERE THUNDERSTORMS WITH LARGE HAIL BETWEEEN MOORE AND PEARSALL WITH ANOTHER HEAVY THUNDERSTORM CLUSTER OVER EXTREME SOUTHEAST FRIO COUNTY. MOVEMENT WAS TO THE SOUTHWEST AT 20 MPH. VERY LARGE HAIL AND DAMAGING WINDS ARE POSSIBLE WITH THIS SEVERE THUNDERSTORM. IF YOU ARE IN THE PATH OF THE STORM...PUT YOUR CAR IN A GARAGE AND MOVE TO A SUBSTANTIAL SHELTER. INTENSE LIGHTNING IS OCCURRING WITH THIS STORM. IF OUTDOORS...STAY AWAY FROM HIGH AREAS...METAL OBJECTS...AND TALL ISOLATED TREES. MOVE INDOORS IF POSSIBLE BUT STAY AWAY FROM WINDOWS AND DOORS AND AVOID USING THE TELEPHONE UNLESS IT IS AN EMERGENCY.
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 Aug 8, 3:15 PM CDT, 3 hours 56 minutes earlier.
Area forecast discussion, Aug 8, 3:15 PM CDT, 3 hours 56 minutes before
SOUTH CENTRAL TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 315 PM CDT THU AUG 8 2002 AS BERTHA MOVES OVER INLAND SECTIONS OF SRN TX LATER TONIGHT AND FRIDAY MORNING...EXPECT MSTR AND MARGINALLY INSTABILITY TO CAUSE SCT SHRA...MORE NUMEROUS OVER THE SOUTH AND SOUTHWEST PART OF S CNTRL TX. ON FIRDAY...FCST OF BERTHA MOVING WEST OF RIO GRANDE...AND CONTINUING WEST...WILL LEAVE HIGH AMOUNTS OF MSTR...CLOUDS AND ENOUGH INSTABILITY FOR SHRA AND TSRA TO FORM...HELPED BY DAYTIME HEATING. SOME OF THESE SHRA AND TSRA MAY LINGER THRU THE EARLY EVE HOURS...WITH THE GREATEST CHANCE OF RAIN FM DATA AVBL THIS AFTERNOON...OVER THE WEST AND SW PARTS OF S CNTRL TX. FOR FRI NIGHT. ON SATURDAY WEAK WIND FIELD ALOFT IS SHOWN BY ALL SOLUTIONS. COMPOSITE OF SOLUTIONS FROM THE PAST FEW DAYS AND AVAILABLE THIS AFTERNOON SHOW A DAY OF MARGINAL INSTABILITY. WITH DIURNAL HEATING...THIS WILL FAVOR CHC OF SHRA AND TSRA SAT IN A DAYTIME TO EARLY EVENING TIMEFRAME. THE SATURDAY FCST WILL BE BASED ON POSSIBLE SOUTHWEST PART OF MID LAT TROF DRIFTING EAST... FROM MAIN TROF OVR MID TO UPPR MS VALLEY. AS THIS WEAK WEATHER SYSTEM DRIFTS EAST...ENOUGH WEAKNESS IN HEIGHT AND PRESSURE FIELDS ALOFT...AND MSTR LEFT OVER FROM CURRENT WX...MAY CONT. IN ADDITION...ANOTHER WEAK S/W TROF MAY PASS NORTH OF S CNTRL TX SUNDAY...ALTHOUGH THERE WILL CONT TO BE A BALANCE ON HOW FAR EAST THE HIGH OVER THE SOUTHWEST U.S. BUILDS TO PARTS OF TX WITH HOW FAR SOUTH THE MID LATITUDE TROFS CAN EVOLVE. COMPOSITE OF ALL SOLUTIONS FOR SUNDAY MAINTAINS CHC OF DAYTIME TO EARLY EVE SHRA. BY MONDAY...HIGH ALOFT OVR SOUTHWEST U.S. AND PARTS OF W TX IS FORECAST TO DEVELOP EAST OVR PARTS OF SOUTH CENTRAL TEXAS... MAKING FOR A LITTLE LESS UNSTABLE CONDS. WILL SHOW SLGHT CHC OF AFTN TO EARLY EVE SHRA FOR MONDAY. AS MORE STABLE CONDS EVOLVE TUESDAY WILL SHOW ISOLD SHRA. THE TREND TO MORE STABLE CONDS CONTINUES IN THE MID TO LATE PART OF NEXT WEEK WHEN CHC OF RAIN WILL BE VERY LOW. PRELIMINARY NUMBERS... AUS 073/091/074/091 2525 DRT 074/091/074/091 5655 SAT 074/090/075/091 3735 .EWX...NONE. 8/6
In the hours before
Special weather statement, Aug 8, 1:20 PM CDT, 5 hours 51 minutes before
TXZ171>173-183>194-202>209-217>225-228-082045- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 120 PM CDT THU AUG 8 2002 ...LOCALLY HEAVY RAINS TODAY AND FRIDAY... SCATTERED EARLY AUGUST SHOWERS AND THUNDERSTORMS...ASSOCIATED WITH TROPICAL DEPRESSION BERTHA....WILL CONTINUE OVER PARTS OF SOUTH CENTRAL TEXAS AND THE HILL COUNTRY THIS AFTERNOON. LOCALLY HEAVY RAIN IS POSSIBLE. SOME OF THESE SHOWERS AND THUNDERSTORMS WILL CONTINUE INTO THE EVENING HOURS...MORE NUMEROUS OVER THE SOUTHERN AND WEST PART OF SOUTH CENTRAL TEXAS. ON FRIDAY...THE CHANCE OF RAIN...WITH SHOWERS AND THUNDERSTORMS WILL CONTINUE...WITH LOCALLY HEAVY RAIN POSSIBLE. AT THIS TIME...SCATTERED ONE TO TWO INCH RAINS ARE EXPECTED TODAY AND FRIDAY...WITH ISOLATED HIGHER AMOUNTS. DEPENDING ON HOW THIS WEATHER PATTERN FORMS THROUGH FRIDAY...EXPECTED RAINFALL AMOUNTS COULD CHANGE. FOR SATURDAY THROUGH SUNDAY...THE CHANCE OF DAYTIME TO EARLY EVENING SHOWERS OR THUNDERSTORMS MAY CONTINUE...THEN DIMINISH TO A SLIGHT CHANCE OF RAIN...FROM SHOWERS AND THUNDERSTORMS...MONDAY. STAY TUNED TO NOAA WEATHER RADIO...LOCAL AND CABLE MEDIA OUTLETS FOR FURTHER INFORMATION.
Special weather statement, Aug 8, 3:15 PM CDT, 3 hours 56 minutes before
TXZ171>173-183>194-202>208-217>221-228-090900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 315 PM CDT THU AUG 8 2002 ...LOCALLY HEAVY RAINS THROUGH FRIDAY... SCATTERED EARLY AUGUST SHOWERS AND THUNDERSTORMS...ASSOCIATED WITH TROPICAL DEPRESSION BERTHA....WILL CONTINUE OVER PARTS OF SOUTH CENTRAL TEXAS AND THE HILL COUNTRY FOR THE REST OF THIS AFTERNOON...AND CONTINUE INTO PART OF THE EVENING HOURS. LOCALLY HEAVY RAIN IS POSSIBLE. LATER TONIGHT...THE CHANCE OF SHOWERS MAY CONTINUE...HOWEVER THE HIGHEST CHANCE OF RAIN IS EXPECTED TO BE OVER THE SOUTHERN AND WEST PARTS OF SOUTH CENTRAL TEXAS...CLOSER TROPICAL DEPRESSION BERTHA. ON FRIDAY...THE CHANCE OF RAIN...WITH SHOWERS AND THUNDERSTORMS WILL CONTINUE...WITH LOCALLY HEAVY RAIN POSSIBLE. AT THIS TIME...SCATTERED ONE TO TWO INCH RAINS ARE EXPECTED THROUGH FRIDAY....WITH ISOLATED HIGHER AMOUNTS. DEPENDING ON HOW THIS WEATHER PATTERN FORMS THROUGH FRIDAY...EXPECTED RAINFALL AMOUNTS COULD CHANGE. FOR SATURDAY THROUGH SUNDAY...THE CHANCE OF DAYTIME TO EARLY EVENING SHOWERS OR THUNDERSTORMS MAY CONTINUE...THEN DIMINISH TO A SLIGHT CHANCE OF RAIN...FROM SHOWERS AND THUNDERSTORMS...MONDAY. STAY TUNED TO NOAA WEATHER RADIO...LOCAL AND CABLE MEDIA OUTLETS FOR FURTHER INFORMATION.
Special weather statement, Aug 8, 3:35 PM CDT, 3 hours 36 minutes before
TXZ171>173-183>194-202>208-217>221-228-090900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 335 PM CDT THU AUG 8 2002 ...LOCALLY HEAVY RAINS THROUGH FRIDAY... SCATTERED EARLY AUGUST SHOWERS AND THUNDERSTORMS...ASSOCIATED WITH TROPICAL DEPRESSION BERTHA....WILL CONTINUE OVER PARTS OF SOUTH CENTRAL TEXAS AND THE HILL COUNTRY FOR THE REST OF THIS AFTERNOON...AND CONTINUE INTO PART OF THE EVENING HOURS. LOCALLY HEAVY RAIN IS POSSIBLE. LATER TONIGHT...THE CHANCE OF SHOWERS MAY CONTINUE...HOWEVER THE HIGHEST CHANCE OF RAIN IS EXPECTED TO BE OVER THE SOUTHERN AND WEST PARTS OF SOUTH CENTRAL TEXAS...CLOSER TO TROPICAL DEPRESSION BERTHA. ON FRIDAY...THE CHANCE OF RAIN...WITH SHOWERS AND THUNDERSTORMS WILL CONTINUE...WITH LOCALLY HEAVY RAIN POSSIBLE. AT THIS TIME...SCATTERED ONE TO TWO INCH RAINS ARE EXPECTED THROUGH FRIDAY....WITH ISOLATED HIGHER AMOUNTS. DEPENDING ON HOW THIS WEATHER PATTERN FORMS THROUGH FRIDAY...EXPECTED RAINFALL AMOUNTS COULD CHANGE. IN ADDITION...BRIEF WIND GUSTS AROUND 20 TO 40 MPH...AND OCCASIONAL HAZARDOUS LIGHTNING WILL ACCOMPANY THE THUNDERSTORMS LATE THIS AFTERNOON TO PART OF THIS EVENING...AND ALSO ON FRIDAY TO PART OF FRIDAY EVENING. FOR SATURDAY THROUGH SUNDAY...THE CHANCE OF DAYTIME TO EARLY EVENING SHOWERS OR THUNDERSTORMS MAY CONTINUE...THEN DIMINISH TO A SLIGHT CHANCE OF RAIN...FROM SHOWERS AND THUNDERSTORMS...MONDAY. STAY TUNED TO NOAA WEATHER RADIO...LOCAL AND CABLE MEDIA OUTLETS FOR FURTHER INFORMATION.
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.