Alert archive / West Virginia / Freeze Watches in 2012
Freeze Watch 2, NWS Charleston, WV
NWS Charleston, WV issued this freeze watch at Apr 5, 2012, 4:33 AM EDT for 6 counties in West Virginia; 6 counties in Ohio. It took effect at Apr 6, 2012, 2:00 AM EDT. It was in force for .
The area
The counties it named.
The facts
- Issued
- Apr 5, 2012, 4:33 AM EDT (08:33 UTC)
- In effect from
- Apr 6, 2012, 2:00 AM EDT
- Expired
- Apr 5, 2012, 3:08 PM EDT
- In force
- Issued by
- NWS Charleston, WV
Counties Athens County, OH, Jackson County, OH, Morgan County, OH, Perry County, OH, Vinton County, OH, Washington County, OH, Doddridge County, WV, Harrison County, WV, Pleasants County, WV, Ritchie County, WV, Taylor County, WV, Tyler County, WV
The radar
The Charleston,WV radar (KRLX), 120 km from the middle of the area, began a volume at 08:37 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
Pittsburgh, PA (KPIT), launched 00:00Z, 8.6 hours before the alert went out and 162 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
- 2122 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- -12 m²/s²
- 0-3 km storm-relative helicity
- 30 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 Apr 5, 1:46 AM EDT, 2 hours 47 minutes earlier.
Area forecast discussion, Apr 5, 1:46 AM EDT, 2 hours 47 minutes before
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</html>The office that day
Everything else NWS Charleston, WV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 5, 4:33 AM EDT | Freeze Watch | RLX | Barbour, Boone, Braxton, Cabell, Calhoun, Clay and 21 more | 23 hr |
| Apr 5, 3:08 PM EDT | Freeze Warning | RLX | Barbour, Doddridge, Harrison, Pleasants, Ritchie, Taylor and 1 more | 17 hr |
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.