Alert archive / West Virginia / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 47, NWS Charleston, WV
NWS Charleston, WV issued this severe thunderstorm warning at Apr 4, 2012, 4:47 PM EDT for Boone County, Lincoln County, West Virginia. It was in force for 31 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Apr 4, 2012, 4:47 PM EDT (20:47 UTC)
- Expired
- Apr 4, 2012, 5:18 PM EDT
- In force
- 31 min
- Issued by
- NWS Charleston, WV
- Area
- Storm-based polygon
Counties Boone County, WV, Lincoln County, WV
The radar
The Charleston,WV radar (KRLX), 21 km from the middle of the area, began a volume at 20:48 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 4, 4:55 PM EDT | HAIL 0.7 | Yawkey, WV |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 12:00Z, 8.8 hours before the alert went out and 217 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
- 405 J/kg
- Mixed-layer CIN
- -100 J/kg
- Mixed-layer LCL
- 820 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 46 m²/s²
- 0-3 km storm-relative helicity
- 49 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
040 WUUS51 KRLX 042047 SVRRLX WVC005-043-042130- /O.NEW.KRLX.SV.W.0047.120404T2047Z-120404T2130Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE CHARLESTON WV 447 PM EDT WED APR 4 2012 THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHWESTERN BOONE COUNTY IN WEST VIRGINIA... THIS INCLUDES THE CITY OF MADISON... EAST CENTRAL LINCOLN COUNTY IN WEST VIRGINIA... * UNTIL 530 PM EDT * AT 443 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 9 MILES NORTHWEST OF JULIAN...OR 7 MILES SOUTHEAST OF HAMLIN...AND MOVING SOUTHEAST AT 25 MPH. * OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ALKOL...WOODVILLE...DANVILLE AND FOSTER.. . PRECAUTIONARY/PREPAREDNESS ACTIONS... VERY HEAVY RAIN WILL ALSO FALL FROM THIS SEVERE THUNDERSTORM...AND WILL CAUSE WATER TO POND ON ROADS AND QUICKLY FILL ROADSIDE DITCHES AND SMALL STREAMS. PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY. && LAT...LON 3826 8198 3812 8162 3801 8182 3823 8204 TIME...MOT...LOC 2047Z 309DEG 23KT 3821 8196 $$
2 follow-up statements
779 WWUS51 KRLX 042106 SVSRLX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE CHARLESTON WV 506 PM EDT WED APR 4 2012 WVC043-042116- /O.CAN.KRLX.SV.W.0047.000000T0000Z-120404T2130Z/ LINCOLN WV- 506 PM EDT WED APR 4 2012 ...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL LINCOLN COUNTY IS CANCELLED... PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY. LAT...LON 3811 8192 3819 8183 3812 8162 3801 8182 TIME...MOT...LOC 2106Z 309DEG 23KT 3813 8184 $$ WVC005-042130- /O.CON.KRLX.SV.W.0047.000000T0000Z-120404T2130Z/ BOONE WV- 506 PM EDT WED APR 4 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EDT FOR CENTRAL BOONE COUNTY... AT 502 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR JULIAN...OR 7 MILES NORTHWEST OF MADISON...MOVING SOUTHEAST AT 25 MPH. OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO DANVILLE AND FOSTER PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY. LAT...LON 3811 8192 3819 8183 3812 8162 3801 8182 TIME...MOT...LOC 2106Z 309DEG 23KT 3813 8184 $$
905 WWUS51 KRLX 042118 SVSRLX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE CHARLESTON WV 518 PM EDT WED APR 4 2012 WVC005-042128- /O.CAN.KRLX.SV.W.0047.000000T0000Z-120404T2130Z/ BOONE WV- 518 PM EDT WED APR 4 2012 ...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL BOONE COUNTY IS CANCELLED... THE STORM THAT PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE LIMITS AND NO LONGER POSES A SEVERE WEATHER THREAT...THUS THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED. PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY. LAT...LON 3811 8192 3819 8183 3812 8162 3801 8182 TIME...MOT...LOC 2118Z 309DEG 23KT 3808 8176 $$
The office that day
Everything else NWS Charleston, WV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 4, 3:39 AM EDT | Flash Flood Watch | RLX | Boone, Lincoln, Logan, McDowell, Mingo, Wayne and 1 more | 19 hr |
| Apr 4, 2:17 PM EDT | Special Weather Statement | RLX | Mingo | 43 min |
| Apr 4, 2:59 PM EDT | Special Weather Statement | RLX | Wayne | 31 min |
| Apr 4, 3:06 PM EDT | Special Weather Statement | RLX | Cabell, Wayne | 114 min |
| Apr 4, 3:22 PM EDT | Special Weather Statement | RLX | Mingo | 38 min |
| Apr 4, 3:28 PM EDT | Special Weather Statement | RLX | McDowell | 32 min |
| Apr 4, 4:05 PM EDT | Special Weather Statement | RLX | Wayne | 40 min |
| Apr 4, 4:07 PM EDT | Special Weather Statement | RLX | Boone, Logan | 83 min |
| Apr 4, 4:21 PM EDT | Special Weather Statement | RLX | Lincoln | 39 min |
| Apr 4, 4:25 PM EDT | Special Weather Statement | RLX | McDowell | 65 min |
Nearby
Severe Thunderstorm Warnings in West Virginia, 2012Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.