Alert archive / Ohio / Special Weather Statements in 2011
Special Weather Statement, NWS Charleston, WV
NWS Charleston, WV issued this special weather statement at Aug 21, 2011, 1:20 PM EDT for Lawrence County, Ohio. It was in force for 40 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 21, 2011, 1:20 PM EDT (17:20 UTC)
- Expired
- Aug 21, 2011, 2:00 PM EDT
- In force
- 40 min
- Issued by
- NWS Charleston, WV
County Lawrence County, OH
The radar
The Charleston,WV radar (KRLX), 69 km from the middle of the area, began a volume at 17:22 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 12:00Z, 5.3 hours before the alert went out and 150 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
- 1624 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 844 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 30 m²/s²
- 0-3 km storm-relative helicity
- 78 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.2
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>What forecasters said that day
The local office's own words before this special weather statement 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 special weather statement went out at Aug 21, 10:30 AM EDT, 2 hours 50 minutes earlier.
Area forecast discussion, Aug 21, 10:30 AM EDT, 2 hours 50 minutes before
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</html>Hazardous weather outlook, Aug 21, 8:55 AM EDT, 4 hours 25 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE CHARLESTON WV 855 AM EDT SUN AUG 21 2011 OHZ067-075-076-083>087-WVZ006>011-014>020-027>032-036>040-046-047- 221300- MORGAN-ATHENS-WASHINGTON-JACKSON-VINTON-MEIGS-GALLIA-LAWRENCE-CABELL- MASON-WOOD-PLEASANTS-TYLER-PUTNAM-KANAWHA-ROANE-WIRT-CALHOUN-RITCHIE- DODDRIDGE-CLAY-BRAXTON-GILMER-LEWIS-HARRISON-TAYLOR-FAYETTE-NICHOLAS- WEBSTER-UPSHUR-BARBOUR-POCAHONTAS-RANDOLPH- 855 AM EDT SUN AUG 21 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST OHIO AND MUCH OF WEST VIRGINIA. .DAY ONE...TODAY AND TONIGHT. THERE IS A SLIGHT RISK FOR SEVERE THUNDERSTORMS TODAY AND EARLY THIS EVENING. THE MAIN THREATS WILL BE STRONG WIND GUSTS AND SMALL HAIL. IN ADDITION...LOCAL DOWNPOURS ARE LIKELY THAT COULD CAUSE STREET AND POOR DRAINAGE FLOODING. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. OHZ066-221300- PERRY- 855 AM EDT SUN AUG 21 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST OHIO. .DAY ONE...TODAY AND TONIGHT. SCATTERED SHOWERS AND THUNDERSTORMS ARE LIKELY TODAY ANY STORM THAT DOES FORM WILL BE CAPABLE OF BRIEF GUSTY WINDS AND HEAVY RAIN. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. KYZ101>103-105-VAZ003-004-WVZ005-013-024>026-033>035-221300- GREENUP-CARTER-BOYD-LAWRENCE-DICKENSON-BUCHANAN-WAYNE-LINCOLN-MINGO- LOGAN-BOONE-MCDOWELL-WYOMING-RALEIGH- 855 AM EDT SUN AUG 21 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST KENTUCKY...SOUTHWEST VIRGINIA...SOUTHERN WEST VIRGINIA AND WESTERN WEST VIRGINIA. .DAY ONE...TODAY AND TONIGHT. SCATTERED SHOWERS AND THUNDERSTORMS ARE LIKELY TODAY INTO THIS EVENING. ANY STORM THAT DOES FORM WILL BE CAPABLE OF BRIEF GUSTY WINDS AND HEAVY RAIN. LOCAL STREET AND POOR DRAINAGE FLOODING IS POSSIBLE. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
In the hours before
Special weather statement, Aug 21, 7:32 AM EDT, 5 hours 48 minutes before
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</html>Special weather statement, Aug 21, 8:59 AM EDT, 4 hours 21 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
859 AM EDT SUN AUG 21 2011
OHZ076-WVZ010-011-211330-
PLEASANTS WV-TYLER WV-WASHINGTON OH-
859 AM EDT SUN AUG 21 2011
...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN WASHINGTON...
PLEASANTS AND TYLER COUNTIES...
AT 856 AM EDT...A STRONG THUNDERSTORM WAS LOCATED 9 MILES NORTH OF
ST. MARYS...MOVING EAST AT 25 MPH.
WIND GUSTS TO 30 MPH AND SMALL HAIL ARE POSSIBLE WITH THIS STORM.
VERY HEAVY RAIN WILL FALL FROM THIS STORM...AND WILL CAUSE WATER TO
POND ON ROADS AND QUICKLY FILL ROADSIDE DITCHES AND SMALL STREAMS.
THIS STORM WILL BE NEAR MATAMORAS AROUND 905 AM...SISTERSVILLE AROUND
915 AM AND MIDDLEBOURNE AROUND 930 AM.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.
PLEASE REPORT SIGNIFICANT WEATHER TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY.
LAT...LON 3959 8090 3960 8084 3957 8082 3956 8079
3953 8075 3941 8076 3944 8125 3959 8125
3958 8104 3955 8103 3961 8095
24Special weather statement, Aug 21, 1:20 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
120 PM EDT SUN AUG 21 2011
OHZ086-087-211800-
GALLIA OH-LAWRENCE OH-
120 PM EDT SUN AUG 21 2011
...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN LAWRENCE AND
SOUTHERN GALLIA COUNTIES...
AT 118 PM EDT...A STRONG THUNDERSTORM WAS LOCATED 8 MILES SOUTHEAST
OF OAK HILL...MOVING SOUTHEAST AT 20 MPH.
WIND GUSTS TO 30 MPH AND PEA-SIZED HAIL ARE POSSIBLE WITH THIS STORM.
VERY HEAVY RAIN WILL FALL FROM THIS STORM...AND WILL CAUSE WATER TO
POND ON ROADS AND QUICKLY FILL ROADSIDE DITCHES AND SMALL STREAMS.
THIS STORM WILL BE NEAR GAGE AROUND 135 PM AND CROWN CITY AROUND 200
PM.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.
PLEASE REPORT SIGNIFICANT WEATHER TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY.
LAT...LON 3885 8257 3884 8246 3887 8245 3876 8220
3873 8219 3868 8219 3863 8217 3860 8217
3859 8220 3860 8226 3857 8230 3855 8230
3875 8266
24The office that day
Everything else NWS Charleston, WV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 21, 8:29 AM EDT | Special Weather Statement | RLX | Pleasants | 31 min |
| Aug 21, 8:59 AM EDT | Special Weather Statement | RLX | Tyler | 31 min |
| Aug 21, 1:56 PM EDT | Special Weather Statement | RLX | Putnam | 34 min |
| Aug 21, 3:35 PM EDT | Severe Thunderstorm Warning | RLX | Jackson, Mason, Wirt | 55 min |
| Aug 21, 4:31 PM EDT | Severe Thunderstorm Warning | RLX | Jackson, Mason, Roane | 19 min |
| Aug 21, 4:41 PM EDT | Severe Thunderstorm Warning | RLX | Mason | 34 min |
| Aug 21, 5:15 PM EDT | Severe Thunderstorm Warning | RLX | Jackson, Mason, Putnam | 30 min |
| Aug 21, 5:53 PM EDT | Special Weather Statement | RLX | Putnam | 22 min |
| Aug 21, 6:12 PM EDT | Severe Thunderstorm Warning | RLX | Cabell, Kanawha, Putnam | 48 min |
| Aug 21, 7:19 PM EDT | Special Weather Statement | RLX | Nicholas | 26 min |
| Aug 21, 7:28 PM EDT | Special Weather Statement | RLX | Nicholas | 17 min |
| Aug 21, 6:49 AM EDT | Special Weather Statement | RLX | Perry | 41 min |
| Aug 21, 7:32 AM EDT | Special Weather Statement | RLX | Morgan, Perry | 58 min |
| Aug 21, 7:49 AM EDT | Special Weather Statement | RLX | Gallia | 26 min |
| Aug 21, 2:15 PM EDT | Special Weather Statement | RLX | Vinton | 30 min |
| Aug 21, 2:33 PM EDT | Special Weather Statement | RLX | Morgan | 27 min |
| Aug 21, 2:41 PM EDT | Severe Thunderstorm Warning | RLX | Jackson, Vinton | 34 min |
| Aug 21, 3:05 PM EDT | Special Weather Statement | RLX | Morgan, Perry | 25 min |
| Aug 21, 3:29 PM EDT | Severe Thunderstorm Warning | RLX | Jackson, Vinton | 15 min |
| Aug 21, 7:58 PM EDT | Special Weather Statement | RLX | Boyd, Carter | 47 min |
Nearby
Special Weather Statements in Ohio, 2011Every special weather statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.