Alert archive / Oklahoma / Flash Flood Warnings in 1992

Flash Flood Warning 22, NWS Norman, OK

August 4, 1992Garfield County, Grant County, Oklahoma

NWS Norman, OK issued this flash flood warning at Aug 4, 1992, 3:05 AM CDT for Garfield County, Grant County, Oklahoma. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Aug 4, 1992, 3:05 AM CDT (08:05 UTC)
Expired
Aug 4, 1992, 6:00 AM CDT
In force
3 hr
Issued by
NWS Norman, OK
Area
Whole counties

Counties Garfield County, OK, Grant County, OK

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 8.1 hours before the alert went out and 156 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, Norman, OK at 00:00Z on 1992-08-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3308 joules per kilogram.LCLEL10008507005003002001001 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, Norman, OK at 00:00Z on 1992-08-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 29 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
3308 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
1157 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
29 m²/s²
0-3 km storm-relative helicity
162 m²/s²
Significant tornado parameter
0.7
Supercell composite
4.3

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.

The office that day

Everything else NWS Norman, OK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 4, 12:35 AM CDTSevere Thunderstorm WarningOUNNoble40 min
Aug 4, 12:47 AM CDTSevere Thunderstorm WarningOUNGarfield43 min
Aug 4, 1:09 AM CDTSevere Thunderstorm WarningOUNGrant36 min
Aug 4, 3:05 AM CDTFlash Flood WarningOUNNoble, Payne3 hr
Aug 4, 6:57 PM CDTSevere Thunderstorm WarningOUNRoger Mills48 min

Nearby

Flash Flood Warnings in Oklahoma, 1992Every flash flood warning in 1992

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.