Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 332, NWS Tulsa, OK

September 20, 1992Craig County, Rogers County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Sep 20, 1992, 6:47 PM CDT for Craig County, Rogers County, Oklahoma. It was in force for 43 min.

The area

The counties it named.

The facts

Issued: Sep 20, 1992, 6:47 PM CDT (23:47 UTC)
Expired: Sep 20, 1992, 7:30 PM CDT
In force: 43 min
Issued by: NWS Tulsa, OK
Area: Whole counties

Counties Craig County, OK, Rogers County, OK

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 11.8 hours before the alert went out and 271 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: 6 J/kg
Mixed-layer CIN: -176 J/kg
Mixed-layer LCL: 629 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 115 m²/s²
0-3 km storm-relative helicity: 139 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

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.

NWS Tulsa, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at Sep 20, 2:30 PM CDT, 4 hours 17 minutes earlier.

Area forecast discussion, Sep 20, 2:30 PM CDT, 4 hours 17 minutes before

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In the hours before

Special weather statement, Sep 20, 1:35 PM CDT, 5 hours 12 minutes before

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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; the sounding from the Mesonet's radiosonde archive.