Alert archive / Oklahoma / Freeze Warnings in 2013
Freeze Warning 3, NWS Norman, OK
NWS Norman, OK issued this freeze warning at Apr 22, 2013, 3:32 PM CDT for 14 counties in Oklahoma. It took effect at Apr 23, 2013, 3:00 AM CDT. 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
- Apr 22, 2013, 3:32 PM CDT (20:32 UTC)
- In effect from
- Apr 23, 2013, 3:00 AM CDT
- Expired
- Apr 23, 2013, 10:00 AM 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 20:34 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
Lamont, OK (KLMN), launched 12:00Z, 8.5 hours before the alert went out and 138 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1287 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 101 m²/s²
- 0-3 km storm-relative helicity
- 90 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this freeze 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 freeze warning went out at Apr 22, 12:30 PM CDT, 3 hours 2 minutes earlier.
Area forecast discussion, Apr 22, 12:30 PM CDT, 3 hours 2 minutes before
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</html>The office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 22, 6:11 PM CDT | Special Weather Statement | OUN | Alfalfa | 34 min |
| Apr 22, 6:24 PM CDT | Severe Thunderstorm Warning | OUN | Alfalfa, Woods | 51 min |
| Apr 22, 6:31 PM CDT | Special Weather Statement | OUN | Ellis, Woodward | 44 min |
| Apr 22, 6:48 PM CDT | Severe Thunderstorm Warning | OUN | Ellis, Woodward | 42 min |
| Apr 22, 6:53 PM CDT | Severe Thunderstorm Warning | OUN | Woods | 37 min |
Nearby
Freeze Warnings in Oklahoma, 2013Every freeze warning in 2013
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.