Alert archive / West Virginia / Frost Advisories in 2020
Frost Advisory 7, NWS Charleston, WV
NWS Charleston, WV issued this frost advisory at May 11, 2020, 2:44 AM EDT for Boone County, Logan County, Mingo County, West Virginia. It took effect at May 12, 2020, 2:00 AM EDT. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- May 11, 2020, 2:44 AM EDT (06:44 UTC)
- In effect from
- May 12, 2020, 2:00 AM EDT
- Expired
- May 12, 2020, 8:05 AM EDT
- In force
- 6 hr
- Issued by
- NWS Charleston, WV
Counties Boone County, WV, Logan County, WV, Mingo County, WV
The radar
The Charleston,WV radar (KRLX), 53 km from the middle of the area, began a volume at 06:44 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
Cncnati-Daytn, OH (KILN), launched 00:00Z, 6.7 hours before the alert went out and 239 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
- 1540 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- -79 m²/s²
- 0-3 km storm-relative helicity
- 79 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.3
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 May 11, 2:39 AM EDT, 5 minutes earlier.
Area forecast discussion, May 11, 2:39 AM EDT, 5 minutes before
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</html>Hazardous weather outlook, May 10, 9:10 AM EDT, 17 hours 34 minutes before
Hazardous Weather Outlook National Weather Service Charleston WV 910 AM EDT Sun May 10 2020 VAZ003-004-WVZ013-015-016-018-020-024>031-033-034-515>517-519-111315- Dickenson-Buchanan-Lincoln-Kanawha-Roane-Calhoun-Doddridge-Mingo- Logan-Boone-Clay-Braxton-Gilmer-Lewis-Harrison-McDowell-Wyoming- Northwest Raleigh-Southeast Raleigh-Northwest Fayette- Northwest Nicholas- 910 AM EDT Sun May 10 2020 This Hazardous Weather Outlook is for southwest Virginia, and portions of central West Virginia, northern West Virginia, southeast West Virginia and southern West Virginia. .DAY ONE...Today and Tonight. Hazardous weather is not expected at this time. .DAYS TWO THROUGH SEVEN...Monday through Saturday. Frost or freeze headlines may be necessary Monday night into Tuesday morning. Frost may occur again Tuesday night into Wednesday morning. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. WVZ032-039-040-518-520>522-524-525-111315- Taylor-Upshur-Barbour-Southeast Fayette-Southeast Nicholas- Northwest Webster-Southeast Webster-Southeast Pocahontas- Northwest Randolph- 910 AM EDT Sun May 10 2020 This Hazardous Weather Outlook is for portions of central West Virginia, northeast West Virginia, northern West Virginia and southeast West Virginia. .DAY ONE...Today and Tonight. Hazardous weather is not expected at this time. .DAYS TWO THROUGH SEVEN...Monday through Saturday. Frost or freeze headlines may be necessary again Monday night into Tuesday morning and Tuesday night into Wednesday morning. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time.. WVZ523-526-111315- Northwest Pocahontas-Southeast Randolph- 910 AM EDT Sun May 10 2020 ...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 11 AM EDT TUESDAY... This Hazardous Weather Outlook is for portions of northeast 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 Warning. .DAYS TWO THROUGH SEVEN...Monday through Saturday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Freeze Warning. A Freeze Warning may be necessary again Tuesday night into Wednesday morning. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. KYZ101>103-105-OHZ066-067-075-076-083>087-WVZ005>011-014-017-019- 111315- Greenup-Carter-Boyd-Lawrence KY-Perry-Morgan-Athens-Washington- Jackson OH-Vinton-Meigs-Gallia-Lawrence OH-Wayne-Cabell-Mason- Jackson WV-Wood-Pleasants-Tyler-Putnam-Wirt-Ritchie- 910 AM EDT Sun May 10 2020 This Hazardous Weather Outlook is for northeast Kentucky, southeast Ohio, and portions of central West Virginia, northern West Virginia, southern West Virginia and western West Virginia. .DAY ONE...Today and Tonight. Scattered showers and thunderstorms are expected late this afternoon into this evening. A few of the storms may contain strong to damaging winds and small hail. .DAYS TWO THROUGH SEVEN...Monday through Saturday. Frost or freeze headlines may be necessary again Monday night into Tuesday morning. Frost may occur again Tuesday night into Wednesday morning. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions by calling the toll-free spotter hotline, or by other methods detailed at www.weather.gov/rlx/reports.
In the hours before
Local storm report, May 10, 9:54 PM EDT, 4 hours 50 minutes before
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</html>Local storm report, May 10, 10:03 PM EDT, 4 hours 41 minutes before
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</html>Local storm report, May 10, 10:09 PM EDT, 4 hours 35 minutes before
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</html>Local storm report, May 10, 10:22 PM EDT, 4 hours 22 minutes before
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</html>Local storm report, May 10, 10:24 PM EDT, 4 hours 20 minutes before
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</html>Special weather statement, May 10, 10:38 PM EDT, 4 hours 6 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 |
|---|---|---|---|---|
| May 10, 8:20 PM EDT | Special Weather Statement | RLX | Boone, Logan, Mingo | 25 min |
| May 10, 8:24 PM EDT | Special Weather Statement | RLX | Barbour, Braxton, Clay, Gilmer, Harrison, Lewis and 4 more | 36 min |
| May 10, 8:25 PM EDT | Special Weather Statement | RLX | Barbour, Braxton, Clay, Gilmer, Harrison, Lewis and 4 more | 35 min |
| May 10, 8:48 PM EDT | Special Weather Statement | RLX | Fayette, McDowell, Raleigh, Wyoming | 27 min |
| May 10, 9:03 PM EDT | Special Weather Statement | RLX | Barbour, Nicholas, Pocahontas, Randolph, Taylor, Upshur and 1 more | 27 min |
| May 10, 9:24 PM EDT | Severe Thunderstorm Warning | RLX | Calhoun, Jackson, Ritchie, Roane, Wirt | 23 min |
| May 10, 9:34 PM EDT | Special Weather Statement | RLX | Pocahontas, Randolph | 26 min |
| May 10, 10:38 PM EDT | Special Weather Statement | RLX | Braxton, Gilmer, Lewis, Upshur | 22 min |
| May 10, 8:43 PM EDT | Special Weather Statement | RLX | Gallia, Lawrence | 32 min |
| May 10, 8:55 PM EDT | Severe Thunderstorm Warning | RLX | Jackson, Meigs, Vinton | 35 min |
| May 10, 9:39 PM EDT | Special Weather Statement | RLX | Lawrence | 21 min |
| May 10, 8:16 PM EDT | Special Weather Statement | RLX | Greenup | 29 min |
| May 10, 8:45 PM EDT | Special Weather Statement | RLX | Greenup | 30 min |
Nearby
Frost Advisories in West Virginia, 2020Every frost advisory in 2020
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.