Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 507, NWS Norman, OK

August 10, 1998Caddo County, Kiowa County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Aug 10, 1998, 3:22 PM CDT for Caddo County, Kiowa County, Oklahoma. It was in force for 53 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: Aug 10, 1998, 3:22 PM CDT (20:22 UTC)
Expired: Aug 10, 1998, 4:15 PM CDT
In force: 53 min
Issued by: NWS Norman, OK
Area: Whole counties

Counties Caddo County, OK, Kiowa County, OK

What was reported inside it

Time	Report	Where	Remark
Aug 10, 3:30 PM CDT	Thunderstorm Wind	Apache, OK
Aug 10, 3:37 PM CDT	Thunderstorm Wind 67	Hobart, 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

Norman, OK (KOUN), launched 12:00Z, 8.4 hours before the alert went out and 118 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: 1 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2815 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 130 m²/s²
0-3 km storm-relative helicity: 302 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 Aug 10, 11:15 AM CDT, 4 hours 7 minutes earlier.

Area forecast discussion, Aug 10, 11:15 AM CDT, 4 hours 7 minutes before

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In the hours before

Local storm report, Aug 10, 3:18 PM CDT, 4 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OKLAHOMA
318 PM CDT MON AUG 10 1998

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0255 PM     4 SE    HOBART           OK   77 MPH WIND GUST, MEASURED
08/10/98   KIOWA                          OKLAHOMA MESONETWORK

Local storm report, Aug 10, 3:18 PM CDT, 4 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OKLAHOMA
318 PM CDT MON AUG 10 1998

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0255 PM     4 SE    HOBART           OK   77 MPH WIND GUST, MEASURED
08/10/98   KIOWA                          OKLAHOMA MESONETWORK

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 9, 7:17 PM CDT	Severe Thunderstorm Warning	OUN	Dewey, Ellis, Woodward	43 min
Aug 10, 3:22 PM CDT	Severe Thunderstorm Warning	OUN	Greer	53 min
Aug 10, 3:41 PM CDT	Severe Thunderstorm Warning	OUN	Comanche	49 min
Aug 10, 4:15 PM CDT	Severe Thunderstorm Warning	OUN	Caddo, Washita	45 min
Aug 10, 4:17 PM CDT	Severe Thunderstorm Warning	OUN	Bryan	43 min
Aug 10, 6:55 PM CDT	Severe Thunderstorm Warning	OUN	Harper, Woods, Woodward	50 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 1998 Every severe thunderstorm warning in 1998

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.