Alert archive / West Virginia / Frost Advisories in 2010
Frost Advisory 8, NWS Charleston, WV
NWS Charleston, WV issued this frost advisory at Oct 21, 2010, 2:56 PM EDT for 11 counties in West Virginia; Gallia County, Lawrence County, Ohio; 4 counties in Kentucky. It took effect at Oct 22, 2010, 2:00 AM EDT. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Oct 21, 2010, 2:56 PM EDT (18:56 UTC)
- In effect from
- Oct 22, 2010, 2:00 AM EDT
- Expired
- Oct 22, 2010, 9:00 AM EDT
- In force
- 7 hr
- Issued by
- NWS Charleston, WV
Counties Boyd County, KY, Carter County, KY, Greenup County, KY, Lawrence County, KY, Gallia County, OH, Lawrence County, OH, Boone County, WV, Cabell County, WV, Kanawha County, WV, Lincoln County, WV, Logan County, WV, Mason County, WV, McDowell County, WV, Mingo County, WV, Putnam County, WV, Wayne County, WV, Wyoming County, WV
The radar
The Charleston,WV radar (KRLX), 43 km from the middle of the area, began a volume at 19:00 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 12:00Z, 6.9 hours before the alert went out and 263 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
- 1448 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 255 m²/s²
- 0-3 km storm-relative helicity
- 307 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this frost advisory 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 frost advisory went out at Oct 21, 2:49 PM EDT, 7 minutes earlier.
Area forecast discussion, Oct 21, 2:49 PM EDT, 7 minutes before
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</html>Hazardous weather outlook, Oct 21, 5:20 AM EDT, 9 hours 36 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE CHARLESTON WV 520 AM EDT THU OCT 21 2010 KYZ101>103-105-OHZ066-067-075-076-083>087-WVZ005>011-013>020-024>031- 220930- GREENUP-CARTER-BOYD-LAWRENCE KY-PERRY-MORGAN-ATHENS-WASHINGTON- JACKSON OH-VINTON-MEIGS-GALLIA-LAWRENCE OH-WAYNE-CABELL-MASON- JACKSON WV-WOOD-PLEASANTS-TYLER-LINCOLN-PUTNAM-KANAWHA-ROANE-WIRT- CALHOUN-RITCHIE-DODDRIDGE-MINGO-LOGAN-BOONE-CLAY-BRAXTON-GILMER- LEWIS-HARRISON- 520 AM EDT THU OCT 21 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST KENTUCKY...SOUTHEAST OHIO AND MUCH OF THE WEST VIRGINIA LOWLANDS. .DAY ONE...TODAY AND TONIGHT. LOW RELATIVE HUMIDITY COMBINED WITH GUSTY WESTERLY WINDS...WILL CREATE AN ENHANCED FIRE DANGER THREAT THURSDAY AFTERNOON. A FIRE DANGER STATEMENT MAY BE NEEDED. FROST...ALONG WITH POCKETS OF FREEZING OR NEAR FREEZING TEMPERATURES...IS POSSIBLE IN VALLEY LOCATIONS TONIGHT...DEPENDING UPON THE WIND DIMINISHING. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. VAZ003-004-WVZ032>040-220930- DICKENSON-BUCHANAN-TAYLOR-MCDOWELL-WYOMING-RALEIGH-FAYETTE-NICHOLAS- WEBSTER-UPSHUR-BARBOUR- 520 AM EDT THU OCT 21 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR MUCH OF THE MOUNTAINOUS COUNTIES OF WEST VIRGINIA. .DAY ONE...TODAY AND TONIGHT. FROST...ALONG WITH POCKETS OF FREEZING OR NEAR FREEZING TEMPERATURES...IS POSSIBLE IN VALLEY LOCATIONS TONIGHT...DEPENDING UPON THE WIND DIMINISHING. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. WVZ046-047-220930- POCAHONTAS-RANDOLPH- 520 AM EDT THU OCT 21 2010 ...FREEZE WATCH IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY MORNING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHERN MOUNTAINOUS COUNTIES OF WEST VIRGINIA. .DAY ONE...TODAY AND TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FREEZE WATCH. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FREEZE WATCH. FROST...WITH POCKETS OF NEAR FREEZING OR FREEZING TEMPERATURES...IS POSSIBLE SATURDAY MORNING. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. TRM
In the hours before
Special weather statement, Oct 21, 9:43 AM EDT, 5 hours 13 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 |
|---|---|---|---|---|
| Oct 21, 5:08 AM EDT | Freeze Watch | RLX | 10 hr | |
| Oct 21, 2:56 PM EDT | Freeze Warning | RLX | Barbour, Braxton, Calhoun, Clay, Doddridge, Gilmer and 11 more | 18 hr |
Nearby
Frost Advisories in West Virginia, 2010Frost Advisories in Kentucky, 2010Frost Advisories in Ohio, 2010Every frost advisory 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.