Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 323, NWS Norman, OK

June 28, 1997Comanche County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Jun 28, 1997, 1:35 PM CDT for Comanche County, Oklahoma. It was in force for 40 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 28, 1997, 1:35 PM CDT (18:35 UTC)
Expired: Jun 28, 1997, 2:15 PM CDT
In force: 40 min
Issued by: NWS Norman, OK
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Comanche County, OK

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 6.6 hours before the alert went out and 116 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: 2059 J/kg
Mixed-layer CIN: -30 J/kg
Mixed-layer LCL: 956 m above ground
0-6 km bulk shear: 8 kt
0-1 km storm-relative helicity: -6 m²/s²
0-3 km storm-relative helicity: -21 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 Norman, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 28, 10:41 AM CDT, 2 hours 54 minutes earlier.

Area forecast discussion, Jun 28, 10:41 AM CDT, 2 hours 54 minutes before

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In the hours before

Local storm report, Jun 28, 12:05 PM CDT, 1 hour 30 minutes before

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Special weather statement, Jun 28, 12:08 PM CDT, 1 hour 27 minutes before

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Special weather statement, Jun 28, 12:30 PM CDT, 1 hour 5 minutes before

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Special weather statement, Jun 28, 12:30 PM CDT, 1 hour 5 minutes before

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Special weather statement, Jun 28, 12:37 PM CDT, 58 minutes before

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Special weather statement, Jun 28, 12:42 PM CDT, 53 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 28, 8:40 AM CDT	Flash Flood Warning	OUN	Canadian, Kingfisher	3 hr

Nearby

Severe Thunderstorm Warnings in Oklahoma, 1997 Every severe thunderstorm warning in 1997

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.