Alert archive / Texas / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 4, NWS Corpus Christi, TX
NWS Corpus Christi, TX issued this severe thunderstorm warning at Mar 18, 1997, 2:00 PM CST for Duval County, Texas. It was in force for 60 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Mar 18, 1997, 2:00 PM CST (20:00 UTC)
- Expired
- Mar 18, 1997, 3:00 PM CST
- In force
- 60 min
- Issued by
- NWS Corpus Christi, TX
- Area
- Whole counties
County Duval County, TX
The radar
The Corpus Christi radar (KCRP), 99 km from the middle of the area, began a volume at 20:01 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 18, 2:20 PM CST | Hail 0.75 | San Diego, TX |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 12:00Z, 8.0 hours before the alert went out and 115 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
- 1325 J/kg
- Mixed-layer CIN
- -62 J/kg
- Mixed-layer LCL
- 509 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 47 m²/s²
- 0-3 km storm-relative helicity
- 88 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KCRP 182001 RRA SVRCRP TXC131-182100- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE CORPUS CHRISTI TX 200 PM CST TUE MAR 18 1997 THE NATIONAL WEATHER SERVICE IN CORPUS CHRISTI HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 300 PM CST FOR PEOPLE IN THE FOLLOWING COUNTY...... IN SOUTH CENTRAL TEXAS ...DUVAL COUNTY AT 200 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM IN WESTERN DUVAL COUNTY 10 MILES SOUTH OF FREER MOVING TOWARDS THE TOWNS OF BENAVIDES AND SAN DIEGO. THIS STORM HAS THE POTENTIAL TO PRODUCE LOCALLY HEAVY RAIN AND DAMAGING WIND AND HAIL 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.| STAY TUNED TO THE NATIONAL WEATHER SERVICE FOR THE LATEST WEATHER INFORMATION.
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 Mar 18, 9:41 AM CST, 4 hours 19 minutes earlier.
Area forecast discussion, Mar 18, 9:41 AM CST, 4 hours 19 minutes before
COASTAL BEND FORECAST DISCUSSION NATIONAL WEATHER SERVICE CORPUS CHRISTI TX 935 AM CST TUE MAR 18 1997 DISCUSSION...SFC ANALYSIS DEPICTS LOW PRESSURE WAVE NEAR TUL WITH FRNTL SYSTEM XTNDG SWWD ALONG AN SPS-MAF AXIS ATTM WITH CAA CONCENTRATED ACROSS THE PANHANDLE. STREAMLINE ANALYSIS REVEALS A TROF FROM LRD-COT-SAT WITH KCRP-88D REF DATA INDICATING SHRA/TSRA ACTIVITY FROM N OF LRD-COT. CURRENT FCST IS ON TRACK WITH NO AMENDMENTS ATTM. S/W TO THE N WL BE APCHG THE FA WED AFTN/EVE...HOWEVER POST FRONTAL ENVIRONMENT ILLUSTRATES A DRY AIRMASS AS ADVERTISED IN THE WED FCST WITH DWPT VALUES DECREASING INTO THE 30S. BML...76
In the hours before
Special weather statement, Mar 18, 11:39 AM CST, 2 hours 21 minutes before
TXZ232-233-234-247-181945- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CORPUS CHRISTI TX 1139 AM CST TUE MAR 18 1997 ...STRONG THUNDERSTORMS MOVING TOWARDS VICTORIA COUNTY... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATES A LINE OF STRONG THUNDERSTORMS FROM SKIDMORE TO BEEVILLE TO KARNES CITY. THIS ACTIVITY IS MOVING TO THE EAST NORTHEAST AT 25 TO 30 MPH AND WILL MOVE INTO VICTORIA COUNTY BY 100 PM. STRONG GUSTY WINDS...DANGEROUS LIGHTNING...POSSIBLE SMALL HAIL... AND VERY HEAVY RAINS CAN BE EXPECTED WITH THESE THUNDERSTORMS. WITH THE GROUND ALREADY SATURATED FROM THE RAINFALL OF THE PAST FEW DAYS...ADDITIONAL FLOODING IS POSSIBLE IN VICTORIA COUNTY AS THESE STORMS MOVE THROUGH. STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER UPDATES.
Special weather statement, Mar 18, 11:42 AM CST, 2 hours 18 minutes before
TXZ232-233-234-247-181945- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CORPUS CHRISTI TX 1139 AM CST TUE MAR 18 1997 ...STRONG THUNDERSTORMS MOVING TOWARDS VICTORIA COUNTY... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATES A LINE OF STRONG THUNDERSTORMS FROM SKIDMORE TO BEEVILLE TO KARNES CITY. THIS ACTIVITY IS MOVING TO THE EAST NORTHEAST AT 25 TO 30 MPH AND WILL MOVE INTO VICTORIA COUNTY BY 100 PM. STRONG GUSTY WINDS...DANGEROUS LIGHTNING...POSSIBLE SMALL HAIL... AND VERY HEAVY RAINS CAN BE EXPECTED WITH THESE THUNDERSTORMS. WITH THE GROUND ALREADY SATURATED FROM THE RAINFALL OF THE PAST FEW DAYS...ADDITIONAL FLOODING IS POSSIBLE IN VICTORIA COUNTY AS THESE STORMS MOVE THROUGH. STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER UPDATES.
The office that day
Everything else NWS Corpus Christi, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 18, 12:36 PM CST | Severe Thunderstorm Warning | CRP | Goliad, Refugio | 69 min |
| Mar 18, 12:50 PM CST | Flash Flood Warning | CRP | Goliad, Victoria | 3 hr |
| Mar 18, 1:44 PM CST | Flash Flood Warning | CRP | Calhoun, Refugio, Victoria | 3 hr |
| Mar 18, 1:44 PM CST | Flash Flood Warning | CRP | Goliad | 3 hr |
| Mar 18, 2:14 PM CST | Severe Thunderstorm Warning | CRP | Live Oak | 61 min |
| Mar 18, 5:15 PM CST | Flash Flood Warning | CRP | Calhoun, Refugio, Victoria | 4 hr |
| Mar 18, 5:15 PM CST | Flash Flood Warning | CRP | Goliad | 4 hr |
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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.