Alert archive / Ohio / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 86, NWS Charleston, WV
NWS Charleston, WV issued this severe thunderstorm warning at Apr 20, 2011, 3:11 AM EDT for 6 counties in Ohio; Carter County, Greenup County, Kentucky; Jackson County, Mason County, West Virginia. It was in force for 64 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 20, 2011, 3:11 AM EDT (07:11 UTC)
- Expired
- Apr 20, 2011, 4:15 AM EDT
- In force
- 64 min
- Issued by
- NWS Charleston, WV
- Area
- Storm-based polygon
Counties Carter County, KY, Greenup County, KY, Athens County, OH, Gallia County, OH, Jackson County, OH, Lawrence County, OH, Meigs County, OH, Vinton County, OH, Jackson County, WV, Mason County, WV
The radar
The Charleston,WV radar (KRLX), 98 km from the middle of the area, began a volume at 07:10 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 20, 3:22 AM EDT | TSTM WND DMG | Greenup, KY | STRUCTURAL DAMAGE FROM STRAIGHT LINE WINDS. SECTION OF ROOF BLOWN OFF APARTMENT BUILDING. DAMAGE TO CARS REPORTED |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 20, 1:59 AM EDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 00:00Z, 7.2 hours before the alert went out and 123 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
- 1686 J/kg
- Mixed-layer CIN
- -39 J/kg
- Mixed-layer LCL
- 1003 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 387 m²/s²
- 0-3 km storm-relative helicity
- 474 m²/s²
- Significant tornado parameter
- 4.3
- Supercell composite
- 18.7
The text
As transmitted, in the capitals the NWS used until 2016.
804
WUUS51 KRLX 200711
SVRRLX
KYC043-089-OHC009-053-079-087-105-163-WVC035-053-200815-
/O.NEW.KRLX.SV.W.0086.110420T0711Z-110420T0815Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
311 AM EDT WED APR 20 2011
THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTH CENTRAL CARTER COUNTY IN KENTUCKY...
THIS INCLUDES THE CITIES OF...GRAYSON...CARTER CAVES STATE PARK...
GREENUP COUNTY IN KENTUCKY...
NORTHERN JACKSON COUNTY IN WEST VIRGINIA...
NORTHERN MASON COUNTY IN WEST VIRGINIA...
THIS INCLUDES THE CITY OF POINT PLEASANT...
SOUTHERN ATHENS COUNTY IN SOUTHEAST OHIO...
THIS INCLUDES THE CITY OF ALBANY...
GALLIA COUNTY IN SOUTHEAST OHIO...
THIS INCLUDES THE CITIES OF...RIO GRANDE...GALLIPOLIS...
JACKSON COUNTY IN SOUTHEAST OHIO...
THIS INCLUDES THE CITIES OF...WELLSTON...OAK HILL...JACKSON...
LAWRENCE COUNTY IN SOUTHEAST OHIO...
THIS INCLUDES THE CITIES OF...LAKE VESUVIUS...IRONTON...COAL
GROVE...
MEIGS COUNTY IN SOUTHEAST OHIO...
THIS INCLUDES THE CITIES OF...RUTLAND...RACINE...POMEROY...FORKED
RUN STATE PARK...
SOUTHEASTERN VINTON COUNTY IN SOUTHEAST OHIO...
* UNTIL 415 AM EDT
* AT 306 AM 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 6 MILES
NORTH OF GESLING...OR 9 MILES NORTH OF CARTER CAVES STATE PARK...
AND MOVING NORTHEAST AT 50 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
OLDTOWN...LOAD...GREENBO LAKE...LETITIA...NAPLES...GREENUP...
MASON...NEW HAVEN...RAVENSWOOD...SANDYVILLE AND TUPPERS PLAINS.
THIS WILL IMPACT THE FOLLOWING INTERSTATES...I-64 BETWEEN MILE
MARKERS 163 AND 175 IN KENTUCKY...I-77 BETWEEN MILE MARKERS 141 AND
153 IN WEST VIRGINIA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED... ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY
STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.
PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 AM EDT WEDNESDAY MORNING
FOR CENTRAL KENTUCKY AND SOUTHEAST OHIO AND CENTRAL VIRGINIA AND
CENTRAL WEST VIRGINIA.
&&
LAT...LON 3856 8310 3873 8303 3876 8289 3859 8284
3860 8275 3868 8277 3869 8271 3884 8266
3885 8277 3895 8281 3912 8280 3934 8200
3893 8156 3847 8262 3850 8266 3851 8266
3839 8281 3828 8307 3847 8320
TIME...MOT...LOC 0711Z 236DEG 61KT 3855 8305
$$
242 follow-up statements
541
WWUS51 KRLX 200745
SVSRLX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
345 AM EDT WED APR 20 2011
KYC043-089-200755-
/O.CAN.KRLX.SV.W.0086.000000T0000Z-110420T0815Z/
CARTER KY-GREENUP KY-
345 AM EDT WED APR 20 2011
...THE SEVERE THUNDERSTORM WARNING FOR GREENUP AND NORTH CENTRAL
CARTER COUNTIES IS CANCELLED...
THIS WILL IMPACT THE FOLLOWING INTERSTATE...I-64 BETWEEN MILE MARKERS
163 AND 175 IN KENTUCKY.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 AM EDT WEDNESDAY MORNING
FOR CENTRAL KENTUCKY AND SOUTHEAST OHIO AND CENTRAL VIRGINIA AND
CENTRAL WEST VIRGINIA.
PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY.
LAT...LON 3912 8280 3934 8200 3893 8156 3850 8256
3884 8266 3885 8277 3894 8276 3894 8281
3895 8281
TIME...MOT...LOC 0745Z 236DEG 61KT 3887 8243
$$
OHC009-053-079-087-105-163-WVC035-053-200815-
/O.CON.KRLX.SV.W.0086.000000T0000Z-110420T0815Z/
ATHENS OH-GALLIA OH-JACKSON OH-LAWRENCE OH-MEIGS OH-VINTON OH-
MASON WV-JACKSON WV-
345 AM EDT WED APR 20 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 AM EDT
FOR SOUTHEASTERN VINTON...MEIGS...CENTRAL LAWRENCE...JACKSON...GALLIA
AND SOUTHERN ATHENS COUNTIES IN SOUTHEAST OHIO...AND NORTHERN JACKSON
AND NORTHERN MASON COUNTIES IN WEST VIRGINIA...
AT 342 AM 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 GALLIA...OR 6 MILES SOUTHEAST OF OAK HILL...MOVING
NORTHEAST AT 50 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
COALTON...RIO GRANDE...ADAMSVILLE...WELLSTON...GALLOPOLIS FERRY...
HAMDEN...VINTON...GALLIPOLIS...HENDERSON...RADCLIFFE...WILKESVILLE...
POINT PLEASANT...SALEM CENTER...KYGER...CHESHIRE...DEXTER...
DYESVILLE...LAKIN...RUTLAND...CARPENTER...MIDDLEPORT...
HARRISONVILLE...LETART...MASON...POMEROY...ALBANY...MOUNT ALTO...
HARTFORD CITY...NEW HAVEN...SYRACUSE...RACINE...COTTAGEVILLE...
DARWIN...CHESTER...RAVENSWOOD...PORTLAND...SANDYVILLE...TUPPERS
PLAINS AND FORKED RUN STATE PARK
THIS WILL IMPACT THE FOLLOWING INTERSTATE...I-77 BETWEEN MILE MARKERS
141 AND 153 IN WEST VIRGINIA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 AM EDT WEDNESDAY MORNING
FOR CENTRAL KENTUCKY AND SOUTHEAST OHIO AND CENTRAL VIRGINIA AND
CENTRAL WEST VIRGINIA.
&&
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 3912 8280 3934 8200 3893 8156 3850 8256
3884 8266 3885 8277 3894 8276 3894 8281
3895 8281
TIME...MOT...LOC 0745Z 236DEG 61KT 3887 8243
$$
24393
WWUS51 KRLX 200807
SVSRLX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
407 AM EDT WED APR 20 2011
OHC009-053-079-087-105-163-WVC035-053-200817-
/O.EXP.KRLX.SV.W.0086.000000T0000Z-110420T0815Z/
ATHENS OH-GALLIA OH-JACKSON OH-LAWRENCE OH-MEIGS OH-VINTON OH-
MASON WV-JACKSON WV-
407 AM EDT WED APR 20 2011
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN VINTON...MEIGS...
CENTRAL LAWRENCE...JACKSON...GALLIA AND SOUTHERN ATHENS COUNTIES IN
SOUTHEAST OHIO...AND NORTHERN JACKSON AND NORTHERN MASON COUNTIES IN
WEST VIRGINIA WILL EXPIRE AT 415 AM EDT...
THIS WILL IMPACT THE FOLLOWING INTERSTATE...I-77 BETWEEN MILE MARKERS
141 AND 153 IN WEST VIRGINIA.
THE STORM THAT PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE LIMITS
AND NO LONGER POSES A SEVERE WEATHER THREAT...THUS THE SEVERE
THUNDERSTORM WARNING HAS BEEN ALLOWED TO EXPIRE.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 AM EDT WEDNESDAY MORNING
FOR CENTRAL KENTUCKY AND SOUTHEAST OHIO AND CENTRAL VIRGINIA AND
CENTRAL WEST VIRGINIA.
PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY.
LAT...LON 3912 8280 3934 8200 3893 8156 3850 8256
3884 8266 3885 8277 3894 8276 3894 8281
3895 8281
TIME...MOT...LOC 0807Z 236DEG 61KT 3907 8203
$$
24The office that day
Everything else NWS Charleston, WV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 19, 8:59 PM EDT | Flood Watch | RLX | Athens, Jackson, Meigs, Morgan, Perry, Vinton and 1 more | 15 hr |
| Apr 20, 2:41 AM EDT | Severe Thunderstorm Warning | RLX | Perry | 34 min |
| Apr 20, 2:51 AM EDT | Severe Thunderstorm Warning | RLX | Athens, Jackson, Morgan, Perry, Vinton, Washington | 54 min |
| Apr 20, 4:15 AM EDT | Special Weather Statement | RLX | Morgan, Washington | 30 min |
| Apr 20, 3:58 AM EDT | Special Weather Statement | RLX | Lawrence | 32 min |
| Apr 19, 9:40 PM EDT | River Flood Warning | RLX | Harrison | 7 hr |
| Apr 20, 5:25 AM EDT | Special Weather Statement | RLX | Logan, McDowell, Wyoming | 50 min |
Nearby
Severe Thunderstorm Warnings in Ohio, 2011Severe Thunderstorm Warnings in Kentucky, 2011Severe Thunderstorm Warnings in West Virginia, 2011Every severe thunderstorm warning in 2011
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.