Alert archive / Texas / Flash Flood Warnings in 2002

Flash Flood Warning 49, NWS Corpus Christi, TX

September 8, 2002Jim Wells County, Texas

NWS Corpus Christi, TX issued this flash flood warning at Sep 8, 2002, 9:21 PM CDT for Jim Wells County, Texas. It was in force for 3 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
Sep 8, 2002, 9:21 PM CDT (02:21 UTC)
Expired
Sep 9, 2002, 12:15 AM CDT
In force
3 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 02:20 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, 2.4 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 2002-09-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1869 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Corpus Christi, TX at 00:00Z on 2002-09-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 51 square meters per square second.1939Sfc1 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
1869 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
679 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
51 m²/s²
0-3 km storm-relative helicity
57 m²/s²
Significant tornado parameter
0.8
Supercell composite
6.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS54 KCRP 090221
FFWCRP
TXC249-090515-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
920 PM CDT SUN SEP 8 2002

THE NATIONAL WEATHER SERVICE IN CORPUS CHRISTI HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  JIM WELLS COUNTY IN TEXAS

* UNTIL 1215 AM CDT

* AT 914 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAIN OVER BEN BOLT...OR ABOUT 5 MILES SOUTH OF          
  ALICE...MOVING NORTH AT 10 MPH.  THIS HEAVY RAINFALL EXTENDED      
  NORTH INTO ALICE...WHERE 2 TO 4 INCHES HAVE FALLEN IN THE PAST     
  THREE HOURS.  FLOODING ALONG HIGHWAY 281 IS LIKELY WITH THESE      
  SHOWERS AND STORMS. 

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS AND OTHER
LOW LYING AREAS ARE SUBJECT TO FLASH FLOODING.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED ACT
QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY
IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.


$$

GW

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 8, 9:55 PM CDTTornado WarningCRPJim Wells35 min
Sep 8, 10:46 PM CDTTornado WarningCRPJim Wells44 min
Sep 8, 11:41 PM CDTFlash Flood WarningCRPLa Salle, McMullen3 hr
Sep 9, 12:18 AM CDTFlash Flood WarningCRPJim Wells4 hr
Sep 9, 2:32 AM CDTFlash Flood WarningCRPLa Salle, McMullen4 hr
Sep 9, 6:29 AM CDTFlash Flood WarningCRPLa Salle, McMullen, Webb3 hr
Sep 9, 9:36 AM CDTFlash Flood WarningCRPLa Salle, McMullen3 hr
Sep 9, 4:47 PM CDTFlash Flood WarningCRPLa Salle, Webb118 min
Sep 9, 6:48 PM CDTFlash Flood WarningCRPWebb87 min

Nearby

Flash Flood Warnings in Texas, 2002Every flash flood warning in 2002

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.