Alert archive / Texas / Flash Flood Warnings in 1997

Flash Flood Warning 32, NWS Corpus Christi, TX

May 27, 1997Webb County, Texas

NWS Corpus Christi, TX issued this flash flood warning at May 27, 1997, 11:04 PM CDT for Webb County, Texas. It was in force for 41 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 27, 1997, 11:04 PM CDT (04:04 UTC)
Expired
May 27, 1997, 11:45 PM CDT
In force
41 min
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 04:08 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

Del Rio, TX (KDRT), launched 00:00Z, 4.1 hours before the alert went out and 232 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.

Skew-T log-pSkew-T log-p diagram, Del Rio, TX at 00:00Z on 1997-05-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 5979 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Del Rio, TX at 00:00Z on 1997-05-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 11 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
5979 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
887 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
11 m²/s²
0-3 km storm-relative helicity
91 m²/s²
Significant tornado parameter
1.1
Supercell composite
6.8

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 May 27, 8:16 PM CDT, 2 hours 48 minutes earlier.

Area forecast discussion, May 27, 8:16 PM CDT, 2 hours 48 minutes before
COASTAL BEND FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
815 PM CDT TUE MAY 27 1997

STORMS MOVING IN FROM THE NORTH AND WEST WILL KEEP THE DISCUSSION
SHORT.  AS ATMOSPHERE VERY UNSTABLE AND SEVERE WEATHER POSSIBLE.

TORNADO WATCH FOR WESTERN COUNTIES CONTINUES UNTIL 10 PM.  TSRA MOVING
SOUTHWARD FROM DRT TO SAT JUST NORTH OF VCT.  WILL NEED TO INCREASE
POPS BASES ON TSRA MOVEMENT.  STORMS TO MOVE INTO NORTHEREN COUNTIES
BY 9 PM.  SEVERE THUNDERSTORMS POSSIBLE THRU TONIGHT.  CRP SOUNDING
HAS BAD DATA.  WILL INCREASE POPS TO 60 PERCENT ALL ZONES AND INCLUDE
SEVERE AND LOCALLY HEAVY RAIN. ...SPC WATCHING STORMS CAREFULLY AND
WILL LIKELY ISSUE NEW BOX FOR THE CRP AND VCT AREAS VERY SOON...

ALL ZONES CHANGE...POPS TO 60 PERCENT...INCLUDE SVR AND LOCALLY
HEAVY RAIN.

LUNA...0074

In the hours before

Special weather statement, May 27, 7:26 PM CDT, 3 hours 38 minutes before
TXZ229-230-239-240-280230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
726 PM CDT TUE MAY 27 1997

...TORNADO WATCH UNTIL 10 PM FOR DUVAL...LA SALLE...MCMULLEN AND WEBB
COUNTIES...

AT 720 PM DOPPLER RADAR SHOWS SEVERE THUNDERSTORMS FROM DEL RIO TO
SAN ANTONIO.  MOVEMENT OF THE STORMS WAS TO THE SOUTH AT 20 MPH.
THESE STORMS WILL MOVE INTO LASALLE AND MCMULLEN COUNTIES BETWEEN 8
AND 9 PM.

THE ATMOSPHERE CONTINUES TO BE VERY UNSTABLE AND THE POTENTIAL FOR
SEVERE WEATHER REMAINS POSSIBLE IN THE WATCH AREA.

STAY TUNED TO NOAA WEATHER RADIO FOR FREQUENT UPDATES.

LUNA
Special weather statement, May 27, 8:15 PM CDT, 2 hours 49 minutes before
TXZ229>234-239>247-512-280300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
815 PM CDT TUE MAY 27 1997

...A TORNADO WATCH IS IN EFFECT FOR DUVAL...WEBB...LASALLE AND
MCMULLEN COUNTIES UNTIL 1000 PM...

THIS TORNADO WATCH WILL LIKELY BE EXTENDED EASTWARD TO INCLUDE THE
VICTORIA AND CORPUS CHRISTI METROPOLITAN AREAS.

AT 810 PM DOPPLER RADAR INDICATED SHOWERS AND THUNDERSTORM...SOME
SEVERE LOCATED FROM NORTH OF A LINE FROM JUST NORTH OF COTULLA TO
KARNES CITY TO CUERO. MOVEMENT IS SOUTHEAST AT 20 MILES AN HOUR. THE
STRONGEST STORMS WERE LOCATED 15 MILES NORTH OF COTULLA AND JUST
NORTH OF CUERO. DAMAGING WINDS...DANGEROUS LIGHTNING...HEAVY RAINFALL
AND HAIL HAVE BEEN REPORTED WITH THESE STORMS. ANOTHER AREA OF WAS
LOCATED ALONG THE RIO GRANDE RIVER FROM EAGLE PASS TO FALCON DAM
DRIFTING SLOWLY EAST.
Special weather statement, May 27, 8:19 PM CDT, 2 hours 45 minutes before
TXZ229>234-239>247-512-280300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
815 PM CDT TUE MAY 27 1997

...A TORNADO WATCH IS IN EFFECT FOR DUVAL...WEBB...LASALLE AND
MCMULLEN COUNTIES UNTIL 1000 PM...

THIS TORNADO WATCH WILL LIKELY BE EXTENDED EASTWARD TO INCLUDE THE
VICTORIA AND CORPUS CHRISTI METROPOLITAN AREAS.

AT 810 PM DOPPLER RADAR INDICATED SHOWERS AND THUNDERSTORM...SOME
SEVERE LOCATED FROM NORTH OF A LINE FROM JUST NORTH OF COTULLA TO
KARNES CITY TO CUERO. MOVEMENT IS SOUTHEAST AT 20 MILES AN HOUR. THE
STRONGEST STORMS WERE LOCATED 15 MILES NORTH OF COTULLA AND JUST
NORTH OF CUERO. DAMAGING WINDS...DANGEROUS LIGHTNING...HEAVY RAINFALL
AND HAIL HAVE BEE0N REPORTED WITH THESE STORMS. ANOTHER AREA OF WAS
LOCATED ALONG THE RIO GRANDE RIVER FROM EAGLE PASS TO FALCON DAM
DRIFTING SLOWLY EAST.

The office that day

Everything else NWS Corpus Christi, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 27, 8:32 PM CDTSevere Thunderstorm WarningCRPLa Salle58 min
May 27, 9:09 PM CDTSevere Thunderstorm WarningCRPLive Oak, McMullen66 min
May 27, 9:09 PM CDTSevere Thunderstorm WarningCRPBee66 min
May 27, 9:29 PM CDTSevere Thunderstorm WarningCRPLa Salle61 min
May 27, 9:40 PM CDTFlash Flood WarningCRPWebb65 min
May 27, 9:40 PM CDTSevere Thunderstorm WarningCRPWebb65 min
May 27, 9:43 PM CDTSevere Thunderstorm WarningCRPGoliad, Victoria62 min
May 27, 9:47 PM CDTSevere Thunderstorm WarningCRPDuval, Jim Wells58 min
May 27, 10:07 PM CDTSevere Thunderstorm WarningCRPSan Patricio68 min
May 27, 11:04 PM CDTSevere Thunderstorm WarningCRPWebb41 min
May 28, 4:24 PM CDTSevere Thunderstorm WarningCRPRefugio66 min
May 28, 5:11 PM CDTSevere Thunderstorm WarningCRPVictoria64 min
May 28, 6:05 PM CDTSevere Thunderstorm WarningCRPGoliad40 min
May 28, 6:17 PM CDTSevere Thunderstorm WarningCRPCalhoun43 min
May 28, 6:43 PM CDTSevere Thunderstorm WarningCRPGoliad32 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.