Alert archive / Oklahoma / Flash Flood Warnings in 1992

Flash Flood Warning 1, NWS Norman, OK

April 16, 1992Caddo County, Grady County, Oklahoma

NWS Norman, OK issued this flash flood warning at Apr 16, 1992, 4:54 PM CDT for Caddo County, Grady County, Oklahoma. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Apr 16, 1992, 4:54 PM CDT (21:54 UTC)
Expired
Apr 16, 1992, 8:00 PM CDT
In force
3 hr
Issued by
NWS Norman, OK
Area
Whole counties

Counties Caddo County, OK, Grady County, OK

The radar

The Norman radar (KTLX), 82 km from the middle of the area, began a volume at 21:53 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

Fort Sill, OK (KFSI), launched 12:00Z, 9.9 hours before the alert went out and 55 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, Fort Sill, OK at 12:00Z on 1992-04-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Fort Sill, OK at 12:00Z on 1992-04-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -21 square meters per square second.1939Sfc1 km3 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1433 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
-21 m²/s²
0-3 km storm-relative helicity
4 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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.

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Apr 16, 1:17 PM CDT, 3 hours 37 minutes before
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Special weather statement, Apr 16, 1:35 PM CDT, 3 hours 19 minutes before
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Special weather statement, Apr 16, 3:05 PM CDT, 1 hour 49 minutes before
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Special weather statement, Apr 16, 3:43 PM CDT, 1 hour 11 minutes before
TXZ019-020-162145-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WICHITA FALLS TX
345 PM CDT THU APR 16 1992

...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 800 PM CDT FOR COTTON COUNTY
OF SOUTHERN OKLAHOMA...SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR HARDEMAN
AND FOARD COUNTIES OF NORTH TEXAS UNTIL 900 PM CDT...

AT 335 PM WICHITA FALLS RADAR SHOWED A LINE OF STRONG THUNDERSTORMS
GENERALLY ALONG AND NORTH OF A CHILDRESS...HOBART...PERCELL OKLAHOMA
LINE. INDIVIDUAL THUNDERSTORMS WERE MOVNING EAST NORTHEAST AT 15 MPH.
THIS LINE OF THUNDERSTORMS IS EXPECTED TO SLOWLY MOVE SOUTH WITH TIME.

PERSONS IN HARDEMAN COUNTY MAY EXPERIENCE THUNDERSTORM TYPE WEATHER
CONDITIONS IN THE NEXT ONE TO TWQO HOURS. UNSTABLE ATMOSPHERIC CONDITIONS
PREVAIL ACROSS THE RED RIVER VALLEY THIS AFTERNOON. A STATIONARY...
DISSIPATING FRONTAL BOUNDARY ACROSS SOUTHERN OKLAHOMA HAS AIDED IN
THUNDERSTORM DEVELOPMENT IN THIS REGION.
Local storm report, Apr 16, 3:47 PM CDT, 1 hour 7 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
342 PM CDT THU APR 16 1992

TIME(CDT)       COUNTY         REPORT

245 PM          CADDO          QUARTER-SIZE HAIL 3 MILES SOUTH OF
       [                        CARNEGIE
329 PM          HARMON         GOLFBALL-SIZE HAIL IN HOLLIS
Special weather statement, Apr 16, 4:44 PM CDT, 10 minutes before
TXZ019-020-162245-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WICHITA FALLS TX
445 PM CDT THU APR 16 1992

...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 800 PM CDT FOR COTTON COUNTY
OF SOUTHERN OKLAHOMA...SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR HARDEMAN
AND FOARD COUNTIES OF NORTH TEXAS UNTIL 900 PM CDT...

AT 440 PM WICHITA FALLS RADAR CONTINUED TO INDICATE THUNDERSTORMS
GENERALLY ALONG OR NORTH OF A CHILDRESS...LAWTON AND WEWOKA OKLAHOMA.
MOVEMENT OF INDIVIDUAL STORMS WAS TOWARDS THE EAST NORTHEAST AT 10
MPH. THE LINE OF THUNDERSTORMS HAS SHOWED LITTLE MOVEMENT TOWARDS THE
SOUTH.

THE STRONGEST THUNDERSTORMS WERE NOTED WEST AND NORTH OF CHILDRESS...
NEAR HOBART AND CHICKASHA.

A LARGE AREA OF RAIN AND ISOLATED THUNDERSTORMS HAS PERSISTED BETWEEN
ABILINE AND STEPHENSVILLE FOR MUCH OF THE DAY.

THIS SECTION NORTH CENTRAL TEXAS MAY SEE THUNDERSTORMS DEVELOP
LATTER TONIGHT.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 16, 2:24 PM CDTSevere Thunderstorm WarningOUNCaddo51 min
Apr 16, 3:01 PM CDTSevere Thunderstorm WarningOUNGrady44 min
Apr 16, 3:13 PM CDTSevere Thunderstorm WarningOUNCaddo47 min
Apr 16, 3:19 PM CDTSevere Thunderstorm WarningOUNGreer41 min
Apr 16, 3:24 PM CDTSevere Thunderstorm WarningOUNHarmon51 min
Apr 16, 3:34 PM CDTSevere Thunderstorm WarningOUNKiowa56 min
Apr 16, 3:44 PM CDTSevere Thunderstorm WarningOUNGrady46 min
Apr 16, 3:56 PM CDTSevere Thunderstorm WarningOUNCaddo49 min
Apr 16, 4:01 PM CDTSevere Thunderstorm WarningOUNCleveland, Oklahoma, Pottawatomie44 min
Apr 16, 4:06 PM CDTSevere Thunderstorm WarningOUNJackson54 min
Apr 16, 4:08 PM CDTSevere Thunderstorm WarningOUNLincoln52 min
Apr 16, 4:29 PM CDTSevere Thunderstorm WarningOUNGrady46 min
Apr 16, 4:30 PM CDTSevere Thunderstorm WarningOUNKiowa45 min
Apr 16, 4:43 PM CDTSevere Thunderstorm WarningOUNCaddo47 min
Apr 16, 5:18 PM CDTSevere Thunderstorm WarningOUNLincoln42 min
Apr 16, 5:20 PM CDTSevere Thunderstorm WarningOUNJackson40 min
Apr 16, 5:26 PM CDTSevere Thunderstorm WarningOUNComanche49 min
Apr 16, 5:29 PM CDTSevere Thunderstorm WarningOUNCaddo46 min
Apr 16, 5:41 PM CDTFlash Flood WarningOUNComanche4 hr
Apr 16, 5:57 PM CDTSevere Thunderstorm WarningOUNJackson48 min
Apr 16, 6:15 PM CDTSevere Thunderstorm WarningOUNComanche, Grady45 min
Apr 16, 6:44 PM CDTSevere Thunderstorm WarningOUNJackson46 min
Apr 16, 6:56 PM CDTSevere Thunderstorm WarningOUNGrady, Stephens49 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; radar from the NEXRAD Level II archive.