Alert archive / Texas / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 45, NWS Corpus Christi, TX
NWS Corpus Christi, TX issued this severe thunderstorm warning at May 20, 1997, 4:40 AM CDT for Victoria County, Texas. It was in force for 50 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
- May 20, 1997, 4:40 AM CDT (09:40 UTC)
- Expired
- May 20, 1997, 5:30 AM CDT
- In force
- 50 min
- Issued by
- NWS Corpus Christi, TX
- Area
- Whole counties
County Victoria County, TX
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 00:00Z, 9.7 hours before the alert went out and 124 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
- 2048 J/kg
- Mixed-layer CIN
- -32 J/kg
- Mixed-layer LCL
- 771 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 34 m²/s²
- 0-3 km storm-relative helicity
- -17 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.2
The text
As transmitted, in the capitals the NWS used until 2016.
479 WUUS1 KCRP 200941 RRA SVRCRP TXC469-201030- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE CORPUS CHRISTI TX 440 AM CDT TUE MAY 20 1997 THE NATIONAL WEATHER SERVICE IN CORPUS CHRISTI HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 530 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTY...... IN SOUTH CENTRAL TEXAS ...VICTORIA COUNTY A SEVERE THUNDERSTORM WAS LOCATED OVER VICTORIA. THIS STORM WILL PRODUCE LARGE HAIL AND WINDS OF 50 TO 60 MPH. MOVEMENT OF THE STORM WAS EAST AT 20 MPH. THIS STORM WILL AFFECT THE CITY OF VICTORIA AND INEZ. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
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 Corpus Christi, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at May 20, 2:27 AM CDT, 2 hours 13 minutes earlier.
Area forecast discussion, May 20, 2:27 AM CDT, 2 hours 13 minutes before
COASTAL BEND FORECAST DISCUSSION NATIONAL WEATHER SERVICE CORPUS CHRISTI TX 215 AM CDT TUE MAY 20 1997 OUTFLOW AND TSRA MOVING INTO A VERY MOIST AND UNSTABLE AIRMASS IN SOUTH TX. TSRA TO MOVE ACROSS THE AREA THIS MORNING LEAVING SOME BOUNDRIES AROUND THIS AFTERNOON. DAYTIME HEATING COMBINES WITH A DISTURBANCE AND THESE BOUNDRIES TO PRODUCE SCATTERED SHRA/TSRA. THE FRONT TO PULL UP STATIONARY TODAY...EGP-SAT-CLL THUS NORTHERN COUNTIES WILL HAVE HIGHER POPS TODAY. SOME STORMS WILL MOVE VERY SLOWLY TODAY AND LOCALLY HEAVY RAIN POSSIBLE. STALLED FRONT WILL STAY JUST NORTH OF US TONIGHT WITH SOME POPS ON TAP. ON WEDNESDAY THE FRONT MOVES NORTH AS A WARM FRONT IN RESPONSE TO DEVELOPING LOW PRESSURE IN THE CENTRAL PLAINS. PRECIP CHANCES TO BECOME WIDELY SCATTERED DUE TO LACK OF FOCUSING BOUNDRIES LATE ON WEDNESDAY INTO THURSDAY AS WARM FRONT MOVES NORTH. ANOTHER FRONT TO AFFECT THE AREA THURSDAY NIGHT INCREASING OUR CHANCES FOR RAIN ONCE AGAIN. ZONES... VCT INCLUDE...MCMULLEN...LIVE OAK...BEE...GOLIAD AND VCT... TODAY...MOSTLY CLOUDY POP 60 SHRA/TSRA...LOCALLY HEAVY RAIN. VARIABLE WIND 5 TO 10 MPH BECOMING SOUTH 10 TO 15 IN AFTERNOON. TONIGHT...MOSTLY CLOUDY POP 40 SHRA/TSRA. SOUTHEAST WIND 5 TO 10. WEDNESDAY...MOSTLY CLOUDY POP 30 SHRA/TSRA. SOUTHEAST WIND 10-15. CRP...TODAY...MOSTLY CLOUDY POP 40 SHRA/TSRA...LOCALLY HEAVY RAIN. LIGHT AND VARIABLE WIND BECOMING SOUTHEAST 10-15 IN AFTERNOON. TONIGHT...MOSTLY CLOUDY POP 30 SHRA/TSRA. SOUTHEAST 5 TO 10. WEDNESDAY...MOSTLY CLOUDY POP 20 SHRA/TSRA. SOUTHEAST WIND 10-15. LRD...TODAY...MOSTLY CLOUDY POP 30 SHRA/TSRA. VARIABLE WIND 5-10 BECOMING SOUTHEAST NEAR 10 IN THE AFTERNOON. TONIGHT...MOSTLY CLOUDY PO P 30 SHRA/TSRA. SOUTHEAST WIND NEAR 10. WEDNESDAY...MOSTLY CLOUDY POP 20 SHRA/TSRA. SOUTHEAST 10-15. TEMPS AND POPS... VCT 083/069 083/071 643 CRP 084/072 085/073 432 NGP 081/073 082/074 LRD 088/072 091/073 342 LUNA...0074
Nearby
Severe Thunderstorm Warnings in Texas, 1997Every severe thunderstorm warning in 1997
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.