Alert archive / Oklahoma / Red Flag Warnings in 2014

Red Flag Warning 17, NWS Norman, OK

March 31, 201414 counties in Oklahoma

NWS Norman, OK issued this red flag warning at Mar 31, 2014, 11:04 AM CDT for 14 counties in Oklahoma. It was in force for 7 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Mar 31, 2014, 11:04 AM CDT (16:04 UTC)
Expired: Mar 31, 2014, 6:00 PM CDT
In force: 7 hr
Issued by: NWS Norman, OK

Counties Alfalfa County, OK, Beckham County, OK, Blaine County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Garfield County, OK, Grant County, OK, Harper County, OK, Major County, OK, Roger Mills County, OK, Washita County, OK, Woods County, OK, Woodward County, OK

The radar

The Vance AFB radar (KVNX), 96 km from the middle of the area, began a volume at 16:07 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 12:00Z, 4.1 hours before the alert went out and 172 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: 1128 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 503 m²/s²
0-3 km storm-relative helicity: 519 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this red flag 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 red flag warning went out at Mar 31, 6:42 AM CDT, 4 hours 22 minutes earlier.

Area forecast discussion, Mar 31, 6:42 AM CDT, 4 hours 22 minutes before

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Hazardous weather outlook, Mar 31, 4:33 AM CDT, 6 hours 31 minutes before

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In the hours before

Special weather statement, Mar 31, 7:28 AM CDT, 3 hours 36 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
Mar 31, 7:28 AM CDT	Special Weather Statement	OUN	Garvin	32 min

Nearby

Red Flag Warnings in Oklahoma, 2014 Every red flag warning in 2014

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.