Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 21, NWS Tulsa, OK

April 11, 1992Osage County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Apr 11, 1992, 5:01 PM CDT for Osage County, Oklahoma. It was in force for 44 min. 2 reports 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: Apr 11, 1992, 5:01 PM CDT (22:01 UTC)
Expired: Apr 11, 1992, 5:45 PM CDT
In force: 44 min
Issued by: NWS Tulsa, OK
Area: Whole counties

County Osage County, OK

What was reported inside it

Time	Report	Where	Remark
Apr 11, 5:30 PM CDT	Hail 0.88	Osage, OK
Apr 11, 5:55 PM CDT	Hail 1.75	Osage, 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, 10.0 hours before the alert went out and 181 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: 1187 J/kg
Mixed-layer CIN: -321 J/kg
Mixed-layer LCL: 882 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 122 m²/s²
0-3 km storm-relative helicity: 194 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KTUL 112203
SVRTUL
OKC113-112245-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
501 PM CDT SAT APR 11 1992
 
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  545 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES ...
 
IN NORTHEAST OKLAHOMA
 
   ...NORTHEASTERN OSAGE COUNTY
 
AT 500 PM NATIONAL WEATHER SERVICE RADAR AT TULSA INDICATED A SEVERE
THUNDERSTORM OVER HULAH RESERVOIR IN NORTHEASTERN OSAGE COUNTY. THIS
THUNDERSTORM WAS ABOUT 5 MILES SOUTHEAST OF CHAUTAUQUA KANSAS. THE
THUNDERSTORM WAS NEARLY STATIONARY.
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MPH...
LARGE HAIL...DEADLY LIGHT/NING AND VERY HEAVY RAIN.  FOR YOUR
PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS.

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 11, 5:11 PM CDT	Tornado Warning	TSA	Osage	34 min
Apr 11, 5:44 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Washington	61 min
Apr 11, 6:03 PM CDT	Severe Thunderstorm Warning	TSA	Craig, Ottawa	42 min
Apr 11, 6:03 PM CDT	Severe Thunderstorm Warning	TSA	Nowata	42 min
Apr 11, 6:33 PM CDT	Severe Thunderstorm Warning	TSA	Tulsa	57 min
Apr 11, 6:47 PM CDT	Severe Thunderstorm Warning	TSA	Delaware	43 min

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.