Alert archive / Texas / Flash Flood Warnings in 1999

Flash Flood Warning 14, NWS Corpus Christi, TX

August 23, 1999Jim Wells County, Texas

NWS Corpus Christi, TX issued this flash flood warning at Aug 23, 1999, 1:45 AM CDT for Jim Wells 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
Aug 23, 1999, 1:45 AM CDT (06:45 UTC)
Expired
Aug 23, 1999, 5:45 AM CDT
In force
4 hr
Issued by
NWS Corpus Christi, TX
Area
Whole counties

County Jim Wells County, TX

The radar

The Corpus Christi radar (KCRP), 57 km from the middle of the area, began a volume at 06:49 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, 6.8 hours before the alert went out and 74 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, Corpus Christi, TX at 00:00Z on 1999-08-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 375 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, Corpus Christi, TX at 00:00Z on 1999-08-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 229 square meters per square second.19395878Sfc1 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
375 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
515 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
229 m²/s²
0-3 km storm-relative helicity
235 m²/s²
Significant tornado parameter
0.4
Supercell composite
2.2

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 Aug 22, 10:12 PM CDT, 3 hours 33 minutes earlier.

Area forecast discussion, Aug 22, 10:12 PM CDT, 3 hours 33 minutes before
COASTAL BEND FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
1012 PM CDT SUN AUG 22 1999

UPDATED ZONES FOR REMOVAL OF HURRICANE WARNING TO TROPICAL STORM
WARNING AS PER COORDINATION WITH NHC.  ALSO LOWERED HIGH WIND
WARNING TO WIND ADVISORY FOR NORTHERN COASTAL BEND AND INLAND
CROSSROADS.  TWEEKED WINDS IN 2ND PERIOD AS WELL FOR CURRENT TRENDS
AND PER NHC COORDINATION.  OTHER THAN THAT...SEE NO REASON TO MAKE
MANY OTHER CHANGES AT THIS TIME.

KSAT...WILL SEND OUT UPDATED WRKCR3 BY 1030 PM...THANK YOU FOR YOUR
PATIENCE.

.CRP...HURRICANE WARNING BETWEEN BAFFIN BAY AND PORT ARANSAS.
       TROPICAL STORM WARNING BETWEEN PORT ARANSAS AND PORT OCONNOR
       FLOOD AND FLASH FLOOD WATCH FOR TXZ229>234 AND
       TXZ240>247 THROUGH MONDAY.
       TORNADO WATCH ALL ZONES EXCEPT WEBB AND LASALLE COUNTIES TIL
       2 AM CDT.
       HIGH WIND WARNING FOR TXZ239>241 AND TXZ229>230 THRU MONDAY
       WIND ADVISORY TXZ231>234

86/GW (LAND)...72/AP (MAR) ET AL...

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 22, 7:19 PM CDTTornado WarningCRPJim Wells26 min
Aug 22, 9:26 PM CDTFlash Flood WarningCRPSan Patricio4 hr
Aug 22, 9:26 PM CDTFlash Flood WarningCRPKleberg, Nueces4 hr
Aug 23, 1:30 AM CDTFlash Flood WarningCRPAransas, San Patricio4 hr
Aug 23, 1:30 AM CDTFlash Flood WarningCRPKleberg, Nueces4 hr
Aug 23, 1:45 AM CDTFlash Flood WarningCRPBee, Live Oak, Refugio4 hr
Aug 23, 6:15 AM CDTFlash Flood WarningCRPAransas, San Patricio2 hr
Aug 23, 6:15 AM CDTFlash Flood WarningCRPNueces2 hr
Aug 23, 7:15 AM CDTFlash Flood WarningCRPRefugio4 hr
Aug 23, 7:41 AM CDTFlash Flood WarningCRPBee, Live Oak4 hr
Aug 23, 8:06 AM CDTFlash Flood WarningCRPAransas, Nueces, San Patricio3 hr
Aug 23, 1:30 PM CDTFlash Flood WarningCRPAransas, Bee, Jim Wells, Live Oak, Nueces, Refugio and 1 more4 hr
Aug 23, 1:30 PM CDTFlash Flood WarningCRPKleberg4 hr
Aug 23, 2:47 PM CDTTornado WarningCRPNueces43 min
Aug 23, 5:00 PM CDTFlash Flood WarningCRPJim Wells, Kleberg, Live Oak, Nueces, San Patricio2 hr
Aug 23, 5:00 PM CDTFlash Flood WarningCRPAransas, Refugio2 hr
Aug 23, 5:00 PM CDTFlash Flood WarningCRPBee2 hr
Aug 23, 5:44 PM CDTFlash Flood WarningCRPLa Salle, Webb4 hr

Nearby

Flash Flood Warnings in Texas, 1999Every flash flood warning in 1999

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.