Alert archive / Oklahoma / Red Flag Warnings in 2008

Red Flag Warning 27, NWS Norman, OK

April 29, 20085 counties in Oklahoma; 5 counties in Texas

NWS Norman, OK issued this red flag warning at Apr 29, 2008, 4:22 AM CDT for 5 counties in Oklahoma; 5 counties in Texas. It took effect at Apr 29, 2008, 12:00 PM CDT. It was in force for 8 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: Apr 29, 2008, 4:22 AM CDT (09:22 UTC)
In effect from: Apr 29, 2008, 12:00 PM CDT
Expired: Apr 29, 2008, 8:00 PM CDT
In force: 8 hr
Issued by: NWS Norman, OK

Counties Beckham County, OK, Greer County, OK, Harmon County, OK, Jackson County, OK, Roger Mills County, OK, Baylor County, TX, Foard County, TX, Hardeman County, TX, Knox County, TX, Wilbarger County, TX

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 9.4 hours before the alert went out and 210 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: 6241 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: -7 m²/s²
0-3 km storm-relative helicity: -7 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 Apr 29, 3:38 AM CDT, 44 minutes earlier.

Area forecast discussion, Apr 29, 3:38 AM CDT, 44 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
Apr 29, 4:22 AM CDT	Fire Weather Watch	OUN	Beckham, Ellis, Greer, Harmon, Harper, Roger Mills	16 hr

Nearby

Red Flag Warnings in Oklahoma, 2008 Red Flag Warnings in Texas, 2008 Every red flag warning in 2008

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.