Alert archive / West Virginia / Freeze Watches in 2012
Freeze Watch 1, NWS Charleston, WV
NWS Charleston, WV issued this freeze watch at Mar 25, 2012, 4:27 AM EDT for 12 counties in West Virginia; 7 counties in Ohio. It took effect at Mar 27, 2012, 1:00 AM EDT. It was in force for .
The area
The counties it named.
The facts
- Issued
- Mar 25, 2012, 4:27 AM EDT (08:27 UTC)
- In effect from
- Mar 27, 2012, 1:00 AM EDT
- Expired
- Mar 26, 2012, 4:39 AM EDT
- In force
- Issued by
- NWS Charleston, WV
Counties Athens County, OH, Jackson County, OH, Meigs County, OH, Morgan County, OH, Perry County, OH, Vinton County, OH, Washington County, OH, Braxton County, WV, Calhoun County, WV, Doddridge County, WV, Gilmer County, WV, Harrison County, WV, Lewis County, WV, Pleasants County, WV, Ritchie County, WV, Taylor County, WV, Tyler County, WV, Wirt County, WV, Wood County, WV
The radar
The Charleston,WV radar (KRLX), 106 km from the middle of the area, began a volume at 08:28 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
Roanoke, VA (KRNK), launched 00:00Z, 8.5 hours before the alert went out and 275 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
- 47 J/kg
- Mixed-layer CIN
- -46 J/kg
- Mixed-layer LCL
- 741 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- -2 m²/s²
- 0-3 km storm-relative helicity
- 71 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 watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Charleston, WV wrote its last area forecast discussion before this freeze watch went out at Mar 25, 3:25 AM EDT, 1 hour 2 minutes earlier.
Area forecast discussion, Mar 25, 3:25 AM EDT, 1 hour 2 minutes before
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</html>Hazardous weather outlook, Mar 25, 3:43 AM EDT, 44 minutes before
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</html>Nearby
Freeze Watches in West Virginia, 2012Freeze Watches in Ohio, 2012Every freeze watch in 2012
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.