Alert archive / Arkansas / Freeze Warnings in 2013
Freeze Warning 8, NWS Tulsa, OK
NWS Tulsa, OK issued this freeze warning at Apr 24, 2013, 10:40 AM CDT for Adair County, Oklahoma; 4 counties in Arkansas. It took effect at Apr 25, 2013, 1:00 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 24, 2013, 10:40 AM CDT (15:40 UTC)
- In effect from
- Apr 25, 2013, 1:00 AM CDT
- Expired
- Apr 25, 2013, 8:14 AM CDT
- In force
- 7 hr
- Issued by
- NWS Tulsa, OK
Counties Benton County, AR, Carroll County, AR, Madison County, AR, Washington County, AR, Adair County, OK
The radar
The Western Arkansas radar (KSRX), 95 km from the middle of the area, began a volume at 15:37 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
Springfield, MO (KSGF), launched 12:00Z, 3.7 hours before the alert went out and 91 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
- 584 m above ground
- 0-6 km bulk shear
- 89 kt
- 0-1 km storm-relative helicity
- -113 m²/s²
- 0-3 km storm-relative helicity
- -113 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 Tulsa, OK wrote its last area forecast discussion before this freeze warning went out at Apr 23, 6:18 PM CDT, 16 hours 22 minutes earlier.
Area forecast discussion, Apr 23, 6:18 PM CDT, 16 hours 22 minutes before
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</html>Hazardous weather outlook, Apr 23, 4:58 PM CDT, 17 hours 42 minutes before
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Freeze Warnings in Arkansas, 2013Freeze 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.