Alert archive / Oklahoma / Flash Flood Warnings in 1992

Flash Flood Warning 35, NWS Norman, OK

November 10, 1992Cotton County, Stephens County, Oklahoma

NWS Norman, OK issued this flash flood warning at Nov 10, 1992, 9:56 PM CST for Cotton County, Stephens County, Oklahoma. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued: Nov 10, 1992, 9:56 PM CST (03:56 UTC)
Expired: Nov 11, 1992, 12:45 AM CST
In force: 3 hr
Issued by: NWS Norman, OK
Area: Whole counties

Counties Cotton County, OK, Stephens County, OK

The radar

The Altus AFB radar (KFDR), 79 km from the middle of the area, began a volume at 04:00 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 3.9 hours before the alert went out and 113 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: 315 J/kg
Mixed-layer CIN: -41 J/kg
Mixed-layer LCL: 572 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 66 m²/s²
0-3 km storm-relative helicity: 125 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.6

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 flash flood 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 flash flood warning went out at Nov 10, 9:00 PM CST, 56 minutes earlier.

Area forecast discussion, Nov 10, 9:00 PM CST, 56 minutes before

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In the hours before

Special weather statement, Nov 10, 7:38 PM CST, 2 hours 18 minutes before

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Local storm report, Nov 10, 8:08 PM CST, 1 hour 48 minutes before

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Special weather statement, Nov 10, 8:20 PM CST, 1 hour 36 minutes before

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Special weather statement, Nov 10, 8:20 PM CST, 1 hour 36 minutes before

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Special weather statement, Nov 10, 8:31 PM CST, 1 hour 25 minutes before

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Local storm report, Nov 10, 9:25 PM CST, 31 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
Nov 10, 7:49 PM CST	Flash Flood Warning	OUN	Tillman	3 hr
Nov 10, 8:40 PM CST	Flash Flood Warning	OUN	Cleveland	3 hr
Nov 10, 9:02 PM CST	Severe Thunderstorm Warning	OUN	Tillman	28 min
Nov 10, 9:59 PM CST	Severe Thunderstorm Warning	OUN	Stephens	61 min
Nov 10, 10:46 PM CST	Severe Thunderstorm Warning	OUN	Tillman	59 min
Nov 10, 10:52 PM CST	Flash Flood Warning	OUN	Tillman	3 hr
Nov 10, 11:14 PM CST	Severe Thunderstorm Warning	OUN	Comanche	31 min
Nov 11, 12:42 AM CST	Flash Flood Warning	OUN	Cotton, Stephens	3 hr
Nov 11, 1:25 AM CST	Flash Flood Warning	OUN	Grady	4 hr
Nov 11, 1:53 AM CST	Flash Flood Warning	OUN	Cleveland, McClain, Pottawatomie	6 hr
Nov 11, 1:53 AM CST	Flash Flood Warning	OUN	Seminole	6 hr
Nov 11, 2:00 AM CST	Flash Flood Warning	OUN	Tillman	3 hr
Nov 11, 7:59 AM CST	Flash Flood Warning	OUN	Pottawatomie, Seminole	3 hr
Nov 11, 7:59 AM CST	Flash Flood Warning	OUN	Hughes	3 hr
Nov 11, 1:35 PM CST	Severe Thunderstorm Warning	OUN	Lincoln, Payne	40 min

Nearby

Flash Flood Warnings in Oklahoma, 1992 Every flash flood 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; radar from the NEXRAD Level II archive.