Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 138, NWS Tulsa, OK

April 27, 1994Osage County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Apr 27, 1994, 11:27 PM CDT for Osage County, Oklahoma. It was in force for 63 min.

The area

The counties it named.

The facts

Issued: Apr 27, 1994, 11:27 PM CDT (04:27 UTC)
Expired: Apr 28, 1994, 12:30 AM CDT
In force: 63 min
Issued by: NWS Tulsa, OK
Area: Whole counties

County Osage County, OK

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 4.5 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 655 m above ground
0-6 km bulk shear: 66 kt
0-1 km storm-relative helicity: 594 m²/s²
0-3 km storm-relative helicity: 724 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 6.6

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 Apr 27, 9:29 PM CDT, 1 hour 58 minutes earlier.

Area forecast discussion, Apr 27, 9:29 PM CDT, 1 hour 58 minutes before

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In the hours before

Local storm report, Apr 27, 6:03 PM CDT, 5 hours 24 minutes before

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Special weather statement, Apr 27, 8:04 PM CDT, 3 hours 23 minutes before

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Special weather statement, Apr 27, 10:01 PM CDT, 1 hour 26 minutes before

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Special weather statement, Apr 27, 10:14 PM CDT, 1 hour 13 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 27, 10:32 PM CDT	Severe Thunderstorm Warning	TSA	Osage	58 min
Apr 28, 8:05 AM CDT	Severe Thunderstorm Warning	TSA	LeFlore, Sequoyah	40 min
Apr 28, 8:05 AM CDT	Severe Thunderstorm Warning	TSA	Crawford, Sebastian	55 min
Apr 28, 8:38 AM CDT	Severe Thunderstorm Warning	TSA	Madison	52 min
Apr 28, 9:18 AM CDT	Severe Thunderstorm Warning	TSA	Scott	27 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 1994 Every severe thunderstorm 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.