Alert archive / Texas / Flash Flood Warnings in 1997
Flash Flood Warning 24, NWS Corpus Christi, TX
NWS Corpus Christi, TX issued this flash flood warning at Apr 26, 1997, 2:00 AM CDT for Webb County, Texas. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Apr 26, 1997, 2:00 AM CDT (07:00 UTC)
- Expired
- Apr 26, 1997, 6:00 AM CDT
- In force
- 4 hr
- Issued by
- NWS Corpus Christi, TX
- Area
- Whole counties
County Webb County, TX
The radar
The Corpus Christi radar (KCRP), 179 km from the middle of the area, began a volume at 07:01 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.
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 00:00Z, 7.0 hours before the alert went out and 196 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
- 3687 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 518 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 17 m²/s²
- 0-3 km storm-relative helicity
- 91 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KCRP 260700 FFWCRP TXC479-261100- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE CORPUS CHRISTI TX 200 AM CDT SAT APR 26 1997 THE NATIONAL WEATHER SERVICE IN CORPUS CHRISTI HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 600 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTY...... IN SOUTH CENTRAL TEXAS ...WEBB COUNTY DOPPLER RADAR IS INDICATING NUMEROUS THUNDERSTORMS ACROSS WEBB COUNTY. THESE STORMS ARE PRODUCING VERY HEAVY RAINFALL TOTALS WITHIN A VERY SHORT TIME ACROSS MUCH OF THE COUNTY. DOPPLER RADAR RAINFALL ESTIMATES SHOW THAT APPROXIMATELY 2 INCHES OF RAIN HAD FALLEN OVER NORTHEAST PORTIONS OF WEBB COUNTY AND ALMOST AN INCH NEAR LAREDO WITHIN THE PAST HOUR. AN ADDITIONAL 1 TO 3 INCHES IS POSSIBLE OVER THE NEXT FEW HOURS AS THUNDERSTORMS CONTINUE TO DEVELOP OVER THE AREA. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERV>ED...ACT QUICKLY. MOVE TO HIGH GROUND. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
What forecasters said that day
The local office's own words before this flash flood 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 flash flood warning went out at Apr 25, 8:28 PM CDT, 5 hours 32 minutes earlier.
Area forecast discussion, Apr 25, 8:28 PM CDT, 5 hours 32 minutes before
COASTAL BEND FORECAST DISCUSSION NATIONAL WEATHER SERVICE CORPUS CHRISTI TX 825 PM CDT FRI APR 25 1997 SVR TSTM WATCH IN EFFECT UNTIL 2AM CDT. OUTFLO BNDRY AND CF HELPING TO FIRE CNVTN OVR PRTNS OF THE RIO GRANDE PLAINS TO VCT AREAS THIS EVENING. SAT LOOPS AND 88D BASE REF SHOW THE BNDRIES SINKING SEWD. CRP 00Z SOUNDING MOIST AND UNSTABLE...HOWEVER A PERSISTANT MID-LVL CAP REMAINS IN PLACE WHICH WL LKLY INHIBIT SIGNIFICANT CNVTN. H5 LO FCST TO PUSH FARTHER INTO MX BY 12Z SAT...KEEPING S TX UNDER SIGNIFICANT DIFFLUENT FLOW ALF. MEANWHILE THE SFC LO WL TRACK S OF THE FA AS AN INVTD TROF LINGERS ALONG THE TX COAST...THUS THE THREAT OF RA WL CONTINUE THROUGH A PART OF SUN AS FUTURE IMPULSES CROSS THE AREA. DRYING WL BEGIN SUN INTO MON AS THE UPR LO FINALLY OPENS AND TRACKS INTO THE CENTRAL GULF STATES. THANKS TO OUTFLO AND CF...ZONES NEED UPDATE ESP...THE WINDS. /LRD/...N WIND 15 TO 20 MPH. /VCT/...LOW IN THE UPPER 50S TO NEAR 60. NE WIND 15 TO 25 AND GUSTY. WL CONTINUE WITH A MWS FOR MINOR TIDAL OVERFLOW. SRP...77
In the hours before
Special weather statement, Apr 25, 8:10 PM CDT, 5 hours 50 minutes before
TXZ232>234-243>247-512-260300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CORPUS CHRISTI TX 810 PM CDT FRI APR 25 1997 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 2AM CDT... THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PORTIONS OF THE COASTAL BEND AND VICTORIA AREAS. THIS WATCH INCLUDES THE FOLLOWING COUNTIES: GOLIAD...VICTORIA...CALHOUN...BEE... SAN PATRICIO...NUECES...REFUGIO AND ARANSAS. THE WATCH AREA ALSO INCLUDES THE ADJACENT WATERS OF THE COASTAL BEND. A POTENT UPPER LEVEL STORM SYSTEM OVER NORTHERN MEXICO AND THE TEXAS BIG BEND REGION IS CAUSING VERY UNSETTLED WEATHER ACROSS MUCH OF TEXAS THIS EVENING. THE ATMOSPHERE IS VERY MOIST AND UNSTABLE ACROSS THE COASTAL BEND TO THE UPPER TEXAS COAST...THEREFORE ANY STORMS WHICH DO DEVELOP MAY BECOME SEVERE WITH LARGE HAIL AND DAMAGING WINDS. LOCALLY HEAVY RAINFALL IS ALSO POSSIBLE WITH THUNDERSTORMS. REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR THE DEVELOPMENT OF SEVERE THUNDERSTORMS. PERSONS IN OR NEAR THE WATCH ARE SHOULD MONITOR THE WEATHER CLOSELY AND LISTEN FOR FURTHER STATEMENTS OR POSSIBLE WARNINGS. STAY TUNED TO NOAA WEATHER RADIO FOR THE LATEST WEATHER INFORMATION.
Special weather statement, Apr 25, 8:11 PM CDT, 5 hours 49 minutes before
TXZ232>234-243>247-512-260300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CORPUS CHRISTI TX 810 PM CDT FRI APR 25 1997 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 2AM CDT... THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PORTIONS OF THE COASTAL BEND AND VICTORIA AREAS. THIS WATCH INCLUDES THE FOLLOWING COUNTIES: GOLIAD...VICTORIA...CALHOUN...BEE... SAN PATRICIO...NUECES...REFUGIO AND ARANSAS. THE WATCH AREA ALSO INCLUDES THE ADJACENT WATERS OF THE COASTAL BEND. A POTENT UPPER LEVEL STORM SYSTEM OVER NORTHERN MEXICO AND THE TEXAS BIG BEND REGION IS CAUSING VERY UNSETTLED WEATHER ACROSS MUCH OF TEXAS THIS EVENING. THE ATMOSPHERE IS VERY MOIST AND UNSTABLE ACROSS THE COASTAL BEND TO THE UPPER TEXAS COAST...THEREFORE ANY STORMS WHICH DO DEVELOP MAY BECOME SEVERE WITH LARGE HAIL AND DAMAGING WINDS. LOCALLY HEAVY RAINFALL IS ALSO POSSIBLE WITH THUNDERSTORMS. REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR THE DEVELOPMENT OF SEVERE THUNDERSTORMS. PERSONS IN OR NEAR THE WATCH ARE SHOULD MONITOR THE WEATHER CLOSELY AND LISTEN FOR FURTHER STATEMENTS OR POSSIBLE WARNINGS. STAY TUNED TO NOAA WEATHER RADIO FOR THE LATEST WEATHER INFORMATION.
Special weather statement, Apr 25, 11:59 PM CDT, 2 hours 1 minute before
TXZ229-230>234-239>247-260600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CORPUS CHRISTI TX 1159 PM CDT FRI APR 25 1997 ...SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED... THE SEVERE THUNDERSTORM WATCH THAT WAS IN EFFECT UNTIL 200 AM CDT FOR NUECES...SAN PATRICIO...REFUGIO...ARANSAS...BEE... VICTORIA...GOLIAD...AND CALHOUN COUNTIES HAS BEEN CANCELLED. NO SHOWER OR THUNDERSTORM ACTIVITY IS OCCURRING IN THE CORPUS CHRISTI OR VICTORIA AREAS AT THIS TIME...HOWEVER STRONG THUNDERSTORMS HAVE DEVELOPED JUST SOUTHEAST OF LAREDO DURING THE PAST HOUR. OTHER STRONG THUNDERSTORMS WERE LOCATED NEAR DEL RIO AND EXTEND SOUTHWESTWARD INTO MEXICO. THIS ACTIVITY IS ASSOCIATED WITH A STRONG UPPER-LEVEL LOW PRESSURE SYSTEM THAT WILL CONTINUE TO PRODUCE SHOWERS AND POSSIBLY SEVERE THUNDERSTORMS FOR THE REMAINDER OF TONIGHT AS WELL AS SATURDAY. STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER STATEMENTS... OR POSSIBLE WATCHES OR WARNINGS.
Special weather statement, Apr 26, 12:00 AM CDT, 2 hours before
TXZ229-230>234-239>247-260600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CORPUS CHRISTI TX 1159 PM CDT FRI APR 25 1997 ...SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED... THE SEVERE THUNDERSTORM WATCH THAT WAS IN EFFECT UNTIL 200 AM CDT FOR NUECES...SAN PATRICIO...REFUGIO...ARANSAS...BEE... VICTORIA...GOLIAD...AND CALHOUN COUNTIES HAS BEEN CANCELLED. NO SHOWER OR THUNDERSTORM ACTIVITY IS OCCURRING IN THE CORPUS CHRISTI OR VICTORIA AREAS AT THIS TIME...HOWEVER STRONG THUNDERSTORMS HAVE DEVELOPED JUST SOUTHEAST OF LAREDO DURING THE PAST HOUR. OTHER STRONG THUNDERSTORMS WERE LOCATED NEAR DEL RIO AND EXTEND SOUTHWESTWARD INTO MEXICO. THIS ACTIVITY IS ASSOCIATED WITH A STRONG UPPER-LEVEL LOW PRESSURE SYSTEM THAT WILL CONTINUE TO PRODUCE SHOWERS AND POSSIBLY SEVERE THUNDERSTORMS FOR THE REMAINDER OF TONIGHT AS WELL AS SATURDAY. STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER STATEMENTS... OR POSSIBLE WATCHES OR WARNINGS.
The office that day
Everything else NWS Corpus Christi, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 25, 8:58 PM CDT | Flash Flood Warning | CRP | Duval | 4 hr |
| Apr 25, 9:17 PM CDT | Severe Thunderstorm Warning | CRP | McMullen | 58 min |
| Apr 26, 12:06 AM CDT | Severe Thunderstorm Warning | CRP | Webb | 54 min |
| Apr 26, 12:59 AM CDT | Severe Thunderstorm Warning | CRP | La Salle, Webb | 61 min |
| Apr 26, 2:40 AM CDT | Severe Thunderstorm Warning | CRP | McMullen | 65 min |
| Apr 26, 2:53 AM CDT | Severe Thunderstorm Warning | CRP | Duval | 67 min |
| Apr 26, 3:37 AM CDT | Tornado Warning | CRP | Duval | 38 min |
| Apr 26, 4:29 AM CDT | Severe Thunderstorm Warning | CRP | Jim Wells | 31 min |
| Apr 26, 4:38 AM CDT | Severe Thunderstorm Warning | CRP | San Patricio | 37 min |
| Apr 26, 4:43 AM CDT | Severe Thunderstorm Warning | CRP | Live Oak | 32 min |
| Apr 26, 4:59 AM CDT | Severe Thunderstorm Warning | CRP | Bee | 46 min |
Nearby
Flash Flood Warnings in Texas, 1997Every flash flood 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; radar from the NEXRAD Level II archive.