Alert archive / Oklahoma / Flash Flood Warnings in 1994

Flash Flood Warning 18, NWS Norman, OK

June 11, 1994Ellis County, Oklahoma

NWS Norman, OK issued this flash flood warning at Jun 11, 1994, 4:40 AM CDT for Ellis County, Oklahoma. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Jun 11, 1994, 4:40 AM CDT (09:40 UTC)
Expired
Jun 11, 1994, 7:30 AM CDT
In force
3 hr
Issued by
NWS Norman, OK
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Ellis County, OK

The nearest sounding before it

Dodge City, (KDDC), launched 00:00Z, 9.7 hours before the alert went out and 173 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, Dodge City, at 00:00Z on 1994-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 886 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, Dodge City, at 00:00Z on 1994-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 3 square meters per square second.193958Sfc1 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
886 J/kg
Mixed-layer CIN
-64 J/kg
Mixed-layer LCL
1705 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
3 m²/s²
0-3 km storm-relative helicity
204 m²/s²
Significant tornado parameter
0.2
Supercell composite
5.0

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
Jun 11, 3:30 AM CDTSevere Thunderstorm WarningOUNEllis45 min
Jun 11, 4:18 AM CDTSevere Thunderstorm WarningOUNEllis42 min
Jun 11, 5:44 AM CDTSevere Thunderstorm WarningOUNDewey, Roger Mills46 min
Jun 11, 6:02 AM CDTSevere Thunderstorm WarningOUNCuster43 min
Jun 11, 6:56 AM CDTSevere Thunderstorm WarningOUNCuster, Washita49 min
Jun 11, 7:45 AM CDTSevere Thunderstorm WarningOUNCaddo, Washita45 min
Jun 11, 8:50 AM CDTSevere Thunderstorm WarningOUNComanche, Kiowa40 min
Jun 11, 9:27 AM CDTSevere Thunderstorm WarningOUNComanche48 min
Jun 11, 9:55 AM CDTSevere Thunderstorm WarningOUNCotton, Stephens50 min
Jun 11, 10:15 AM CDTFlash Flood WarningOUNComanche2 hr
Jun 11, 10:36 AM CDTSevere Thunderstorm WarningOUNJefferson, Stephens39 min
Jun 11, 11:00 AM CDTSevere Thunderstorm WarningOUNClay45 min

Nearby

Flash Flood Warnings in Oklahoma, 1994Every flash flood warning in 1994

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.