Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 120, NWS Tulsa, OK

April 19, 1996LeFlore County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Apr 19, 1996, 9:42 PM CDT for LeFlore County, Oklahoma. It was in force for 48 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: Apr 19, 1996, 9:42 PM CDT (02:42 UTC)
Expired: Apr 19, 1996, 10:30 PM CDT
In force: 48 min
Issued by: NWS Tulsa, OK
Area: Whole counties

County LeFlore County, OK

What was reported inside it

Time	Report	Where	Remark
Apr 19, 9:45 PM CDT	Hail 0.75	Page, 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.

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 2.7 hours before the alert went out and 237 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: 3220 m above ground
0-6 km bulk shear: 61 kt
0-1 km storm-relative helicity: -22 m²/s²
0-3 km storm-relative helicity: 141 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 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 19, 9:33 PM CDT, 9 minutes earlier.

Area forecast discussion, Apr 19, 9:33 PM CDT, 9 minutes before

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In the hours before

Local storm report, Apr 19, 8:48 PM CDT, 54 minutes before

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Local storm report, Apr 19, 8:51 PM CDT, 51 minutes before

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Local storm report, Apr 19, 9:21 PM CDT, 21 minutes before

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Local storm report, Apr 19, 9:34 PM CDT, 8 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 19, 7:30 PM CDT	Severe Thunderstorm Warning	TSA	Haskell	30 min
Apr 19, 8:19 PM CDT	Severe Thunderstorm Warning	TSA	LeFlore	41 min
Apr 19, 9:00 PM CDT	Severe Thunderstorm Warning	TSA	LeFlore	45 min
Apr 19, 7:03 PM CDT	Severe Thunderstorm Warning	TSA	Crawford	27 min
Apr 19, 7:43 PM CDT	Severe Thunderstorm Warning	TSA	Madison	32 min
Apr 19, 8:11 PM CDT	Severe Thunderstorm Warning	TSA	Crawford, Sebastian	49 min
Apr 19, 8:42 PM CDT	Severe Thunderstorm Warning	TSA	Washington	48 min
Apr 19, 8:50 PM CDT	Severe Thunderstorm Warning	TSA	Crawford	40 min
Apr 19, 8:57 PM CDT	Severe Thunderstorm Warning	TSA	Madison	48 min
Apr 19, 9:30 PM CDT	Severe Thunderstorm Warning	TSA	Sebastian	45 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 1996 Every severe thunderstorm warning in 1996

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.