Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 196, NWS Norman, OK

May 13, 1992Atoka County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at May 13, 1992, 4:28 PM CDT for Atoka County, Oklahoma. It was in force for 47 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: May 13, 1992, 4:28 PM CDT (21:28 UTC)
Expired: May 13, 1992, 5:15 PM CDT
In force: 47 min
Issued by: NWS Norman, OK
Area: Whole counties

County Atoka County, OK

What was reported inside it

Time	Report	Where	Remark
May 13, 4:32 PM CDT	Hail 1	Atoka, OK

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 9.5 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1245 J/kg
Mixed-layer CIN: -262 J/kg
Mixed-layer LCL: 867 m above ground
0-6 km bulk shear: 11 kt
0-1 km storm-relative helicity: 38 m²/s²
0-3 km storm-relative helicity: 56 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.9

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 severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Local storm report, May 13, 2:50 PM CDT, 1 hour 38 minutes before

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Special weather statement, May 13, 3:15 PM CDT, 1 hour 13 minutes before

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Local storm report, May 13, 3:52 PM CDT, 36 minutes before

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Local storm report, May 13, 4:05 PM CDT, 23 minutes before

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Special weather statement, May 13, 4:17 PM CDT, 11 minutes before

OKZ020-021-132215-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
418 PM CDT WED MAY 13 1992

AT 4 17 PM A LARGE SEVERE THUNDERSTORM WAS LOCATED 6 MILES NORTHEAST
OF STRINGTOWN. THE STORM WAS BUILDING SLOWLY WESTWARD. LARGE HAIL UP
TO GOLFBALL SIZE AND TORRENTIAL RAINFALL ARE LIKELY WITH THIS STORM.
ANOTHER SEVERE THUNDERSTORM WAS LOCATED NEARING THE TOWN OF LANE. IF
YOU ARE NEAR THESE THUNDERSTORMS GO TO A PLACE OF SAFETY.

JKP

Special weather statement, May 13, 4:23 PM CDT, 5 minutes before

TXZ019-020-132225-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WICHITA FALLS TX
425 PM CDT WED MAY 13 1992

...A TORNADO WATCH HAS BEEN ISSUED FOR THE NORTH TEXAS COUNTIES OF
ARCHER...CLAY...HARDEMAN...KNOX...YOUNG...BAYLOR...FOARD...JACK...
WICHITA...AND WILBARGER. THE WATCH IS EFFECTIVE UNTIL 1000 PM CDT THIS
EVENING...

AT 420 PM CDT WICHITA FALLS RADAR INDICATED STORMS HAVE DEVELOPED IN SOUTHERN
YOUNG COUNTY TO THE WEST OF GRAHAM. OTHER SCATTERED STORMS EXISTED SOUTH
TO BRECKENRIDGE. SEVERE STORMS CONTINUE NEAR ABILENE AND SOUTH OF MCALESTER.
LITTLE MOVEMENT WAS DETECTED.

SEVERE WEATHER IS EXPECTED FROM THE INTERACTION OF AN OLD FRONTAL BOUNDARY
AND DRYLINE...INTENSE HEATING OUF MOIST SURFACE AIR...AND AN UPPER AIR
DISTURBANCE ENTERING THE AREA FROM THE NORTHWEST.

The office that day

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

Issued	Product	Office	Counties	Lasted
May 13, 3:35 PM CDT	Severe Thunderstorm Warning	OUN	Atoka, Pushmataha	55 min
May 13, 4:37 PM CDT	Severe Thunderstorm Warning	OUN	Coal	53 min
May 13, 5:15 PM CDT	Flash Flood Warning	OUN	Atoka	4 hr

Nearby

Severe Thunderstorm Warnings in Oklahoma, 1992 Every severe thunderstorm 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.