Alert archive / Texas / Flash Flood Warnings in 2008
Flash Flood Warning 21, NWS Corpus Christi, TX
NWS Corpus Christi, TX issued this flash flood warning at Aug 23, 2008, 2:15 PM CDT for La Salle County, Texas. It was in force for 90 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 23, 2008, 2:15 PM CDT (19:15 UTC)
- Expired
- Aug 23, 2008, 3:45 PM CDT
- In force
- 90 min
- Issued by
- NWS Corpus Christi, TX
- Area
- Storm-based polygon
- Flood severity
- None
County La Salle County, TX
The radar
The Corpus Christi radar (KCRP), 152 km from the middle of the area, began a volume at 19:16 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 12:00Z, 7.3 hours before the alert went out and 170 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
- 1884 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 721 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 22 m²/s²
- 0-3 km storm-relative helicity
- 19 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS54 KCRP 231915 FFWCRP TXC283-232045- /O.NEW.KCRP.FF.W.0021.080823T1915Z-080823T2045Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE CORPUS CHRISTI TX 215 PM CDT SAT AUG 23 2008 THE NATIONAL WEATHER SERVICE IN CORPUS CHRISTI HAS ISSUED A * FLASH FLOOD WARNING FOR... SOUTHEASTERN LA SALLE COUNTY IN SOUTH TEXAS * UNTIL 345 PM CDT * AT 203 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. DOPPLER RADAR ESTIMATED RAINFALL RATES OF 2 TO 4 INCHES PER HOUR ALONG PORTIONS OF FARM-TO-MARKET ROAD 624 SOUTHEAST OF COTULLA. * SLOW MOVING THUNDERSTORMS ARE PRODUCING TORRENTIAL RAINFALL IN THE WARNED AREA. RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLOODING TO OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...FARM-TO-MARKET ROAD 624...HERRADURA LODGE...AND KENLEY RANCH. ADDITIONAL RAINFALL AMOUNTS OF 2 TO 4 INCHES ARE POSSIBLE IN THE WARNED AREA. MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN. LAT...LON 2839 9883 2807 9881 2805 9918 2839 9919 $$ 87
1 follow-up statement
000 WGUS74 KCRP 232044 FFSCRP FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE CORPUS CHRISTI TX 344 PM CDT SAT AUG 23 2008 TXC283-232053- /O.EXP.KCRP.FF.W.0021.000000T0000Z-080823T2045Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ LA SALLE- 344 PM CDT SAT AUG 23 2008 ...THE FLASH FLOOD WARNING WILL EXPIRE AT 345 PM CDT FOR SOUTHEASTERN LA SALLE COUNTY... THE STORMS THAT WERE PRODUCING HEAVY RAIN...HAVE MARKEDLY WEAKENED. HENCE THE FLASH FLOOD WARNING WILL EXPIRE AT 345 PM FOR SOUTHEASTERN LA SALLE COUNTY. LAT...LON 2839 9883 2807 9881 2805 9918 2839 9919 $$ SCC
The office that day
Everything else NWS Corpus Christi, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 22, 10:11 PM CDT | Flood Watch | CRP | La Salle, Webb | 19 hr |
| Aug 23, 7:21 AM CDT | Flash Flood Warning | CRP | Webb | 114 min |
| Aug 23, 10:02 AM CDT | Areal Flood Advisory | CRP | Webb | 118 min |
| Aug 23, 11:51 AM CDT | Flash Flood Warning | CRP | Webb | 54 min |
| Aug 23, 1:57 PM CDT | Flash Flood Warning | CRP | Webb | 93 min |
| Aug 23, 2:56 PM CDT | Flash Flood Warning | CRP | Duval | 79 min |
| Aug 23, 3:22 PM CDT | Severe Thunderstorm Warning | CRP | San Patricio | 33 min |
| Aug 23, 4:00 PM CDT | Flash Flood Warning | CRP | San Patricio | 90 min |
| Aug 23, 5:09 PM CDT | Flood Watch | CRP | La Salle, Webb | 17 hr |
Nearby
Flash Flood Warnings in Texas, 2008Every flash flood warning in 2008
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.