Alert archive / Oklahoma / Flash Flood Warnings in 2002

Flash Flood Warning 5, NWS Shreveport, LA

March 30, 2002McCurtain County, Oklahoma; Red River County, Texas

NWS Shreveport, LA issued this flash flood warning at Mar 30, 2002, 5:29 AM CST for McCurtain County, Oklahoma; Red River County, Texas. It was in force for 6 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
Mar 30, 2002, 5:29 AM CST (11:29 UTC)
Expired
Mar 30, 2002, 11:15 AM CST
In force
6 hr
Issued by
NWS Shreveport, LA
Area
Whole counties

Counties McCurtain County, OK, Red River County, TX

The nearest sounding before it

Shreveport, LA (KSHV), launched 00:00Z, 11.5 hours before the alert went out and 188 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, Shreveport, LA at 00:00Z on 2002-03-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2462 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, Shreveport, LA at 00:00Z on 2002-03-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 63 square meters per square second.1939587897Sfc1 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
2462 J/kg
Mixed-layer CIN
-66 J/kg
Mixed-layer LCL
1005 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
63 m²/s²
0-3 km storm-relative helicity
78 m²/s²
Significant tornado parameter
0.8
Supercell composite
2.6

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KSHV 301129
FFWSHV
OKC089-TXC387-301715-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
528 AM CST SAT MAR 30 2002

THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  RED RIVER COUNTY IN NORTHEAST TEXAS
  MCCURTAIN COUNTY IN SOUTHEAST OKLAHOMA

* UNTIL 1115 AM CST

* AT 528 AM CST...THE SHREVEPORT WEATHER SERVICE DOPPLER 
RADAR...INDICATED A SOLID LINE OF THUNDERSTORMS ACROSS THE RIVER 
VALLEY OF RED RIVER COUNTY TEXAS...AND MCCURTAIN COUNTY OKLAHOMA. 
DOPPLER RADAR ESTIMATES...AND GROUND REPORTS OF SLIGHTLY OVER THREE 
INCHES OF RAIN HAD ALREADY FALLEN ACROSS PORTIONS OF SOUTHERN 
MCCURTAIN COUNTY...NEAR THE IDABEL AREA. THESE THUNDERSTORMS WERE 
MOVING TOWARDS THE NORTHEAST NEAR 30 MPH AND WILL CONTINUE TO MOVE 
OVER THE SAME AREAS...WITH AN ADDITIONAL TWO TO THREE INCHES 
POSSIBLE LATER THIS MORNING.

FLASH FLOODING WILL LIKELY DEVELOP ACROSS PORTIONS OF RED RIVER
COUNTY...AND MCCURTAIN COUNTY EARLY THIS MORNING. DO NOT DRIVE YOUR 
VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. VEHICLES 
CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.

REPEATING...THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD
WARNING FOR...
  RED RIVER COUNTY IN NORTHEAST TEXAS
  MCCURTAIN COUNTY IN SOUTHEAST OKLAHOMA
UNTIL 1115 AM CST.

The office that day

Everything else NWS Shreveport, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 30, 3:35 AM CSTSevere Thunderstorm WarningSHVRed River55 min
Mar 30, 4:53 PM CSTSevere Thunderstorm WarningSHVGregg37 min
Mar 30, 5:13 PM CSTSevere Thunderstorm WarningSHVUpshur47 min
Mar 30, 5:17 PM CSTTornado WarningSHVRusk43 min
Mar 30, 5:34 PM CSTSevere Thunderstorm WarningSHVHarrison, Marion41 min
Mar 30, 5:43 PM CSTSevere Thunderstorm WarningSHVCherokee, Nacogdoches47 min
Mar 30, 5:51 PM CSTSevere Thunderstorm WarningSHVCass54 min

Nearby

Flash Flood Warnings in Oklahoma, 2002Flash 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.