Alert archive / Georgia / Winter Storm Warnings in 2010
Winter Storm Warning 1, NWS Charleston, SC
NWS Charleston, SC issued this winter storm warning at Feb 12, 2010, 3:17 AM EST for 8 counties in Georgia; 5 counties in South Carolina. It took effect at Feb 12, 2010, 12:00 PM EST. It was in force for 16 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
- Feb 12, 2010, 3:17 AM EST (08:17 UTC)
- In effect from
- Feb 12, 2010, 12:00 PM EST
- Expired
- Feb 13, 2010, 3:56 AM EST
- In force
- 16 hr
- Issued by
- NWS Charleston, SC
Counties Bulloch County, GA, Candler County, GA, Effingham County, GA, Evans County, GA, Jenkins County, GA, Long County, GA, Screven County, GA, Tattnall County, GA, Allendale County, SC, Berkeley County, SC, Colleton County, SC, Dorchester County, SC, Hampton County, SC
The radar
The Charleston,SC radar (KCLX), 33 km from the middle of the area, began a volume at 08:15 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
Charleston AFB, SC (KCHS), launched 00:00Z, 8.3 hours before the alert went out and 134 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
- 2538 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- -17 m²/s²
- 0-3 km storm-relative helicity
- 61 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this winter storm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Charleston, SC wrote its last area forecast discussion before this winter storm warning went out at Feb 12, 12:57 AM EST, 2 hours 20 minutes earlier.
Area forecast discussion, Feb 12, 12:57 AM EST, 2 hours 20 minutes before
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</html>The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 12, 4:24 AM EST | Gale Watch | CHS | 7 hr | |
| Feb 12, 11:15 AM EST | Winter Weather Advisory | CHS | 17 hr | |
| Feb 12, 11:47 AM EST | Gale Warning | CHS | 23 hr | |
| Feb 12, 4:15 AM EST | Lake Wind Advisory | CHS | Berkeley | 31 hr |
Nearby
Winter Storm Warnings in Georgia, 2010Winter Storm Warnings in South Carolina, 2010Every winter storm warning in 2010
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.