Alert archive / Ohio / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 235, NWS Cleveland, OH
NWS Cleveland, OH issued this severe thunderstorm warning at Aug 7, 2011, 4:47 PM EDT for Marion County, Ohio. It was in force for 58 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 7, 2011, 4:47 PM EDT (20:47 UTC)
- Expired
- Aug 7, 2011, 5:45 PM EDT
- In force
- 58 min
- Issued by
- NWS Cleveland, OH
- Area
- Storm-based polygon
County Marion County, OH
The radar
The Cincinnati radar (KILN), 134 km from the middle of the area, began a volume at 20:47 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, 8.8 hours before the alert went out and 132 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
- 1233 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 540 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 14 m²/s²
- 0-3 km storm-relative helicity
- -20 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
572
WUUS51 KCLE 072047
SVRCLE
OHC101-072145-
/O.NEW.KCLE.SV.W.0235.110807T2047Z-110807T2145Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
447 PM EDT SUN AUG 7 2011
THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
MARION COUNTY IN NORTH CENTRAL OHIO
* UNTIL 545 PM EDT
* AT 446 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM 13 MILES NORTHWEST OF LA RUE TO
LA RUE TO 16 MILES SOUTHWEST OF PROSPECT...AND MOVING EAST AT 40
MPH.
* LOCATIONS IMPACTED INCLUDE...
MARION...
PROSPECT...
WALDO...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS STORM. SEEK SHELTER INSIDE NOW AND STAY AWAY FROM
WINDOWS.
&&
PLEASE REPORT HAIL AND STRONG WINDS TO THE NATIONAL WEATHER SERVICE
BY CALLING TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY.
LAT...LON 4044 8325 4045 8326 4050 8326 4050 8341
4051 8342 4064 8343 4065 8286 4064 8295
4049 8296 4048 8301 4043 8302
TIME...MOT...LOC 2047Z 261DEG 35KT 4069 8356 4050 8336
4027 8334
$$
OUDEMAN2 follow-up statements
939
WWUS51 KCLE 072118
SVSCLE
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
518 PM EDT SUN AUG 7 2011
OHC101-072145-
/O.CON.KCLE.SV.W.0235.000000T0000Z-110807T2145Z/
MARION OH-
518 PM EDT SUN AUG 7 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM EDT
FOR MARION COUNTY...
AT 513 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER
SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM MARION TO 6 MILES EAST OF MARION
TO WALDO...MOVING EAST AT 40 MPH.
LOCATIONS NEAR THE PATH OF SEVERE THUNDERSTORMS INCLUDE...CALEDONIA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS STORM. SEEK SHELTER INSIDE NOW AND STAY AWAY FROM
WINDOWS.
&&
LAT...LON 4044 8325 4045 8326 4050 8326 4050 8341
4051 8342 4064 8343 4065 8286 4064 8295
4049 8296 4048 8301 4043 8302
TIME...MOT...LOC 2118Z 261DEG 35KT 4066 8306 4057 8296
4045 8295
$$
MITCHELL938
WWUS51 KCLE 072146
SVSCLE
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
546 PM EDT SUN AUG 7 2011
OHC101-072156-
/O.EXP.KCLE.SV.W.0235.000000T0000Z-110807T2145Z/
MARION OH-
546 PM EDT SUN AUG 7 2011
...THE SEVERE THUNDERSTORM WARNING FOR MARION COUNTY EXPIRED AT 545
PM EDT...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND MOVED OUT OF
THE WARNED AREA...HOWEVER HEAVY RAIN IS STILL POSSIBLE ACROSS MARION
COUNTY.
LAT...LON 4044 8325 4045 8326 4050 8326 4050 8341
4051 8342 4064 8343 4065 8286 4064 8295
4049 8296 4048 8301 4043 8302
TIME...MOT...LOC 2118Z 261DEG 35KT 4066 8306 4057 8296
4045 8295
$$
MITCHELLThe office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 6, 8:36 PM EDT | Areal Flood Advisory | CLE | Sandusky, Wood | 3 hr |
| Aug 6, 11:07 PM EDT | Areal Flood Advisory | CLE | Hancock | 6 hr |
| Aug 7, 12:54 AM EDT | Areal Flood Advisory | CLE | Marion | 3 hr |
| Aug 7, 2:38 AM EDT | Areal Flood Warning | CLE | Marion | 4 hr |
| Aug 7, 6:36 AM EDT | Areal Flood Advisory | CLE | Marion | 4 hr |
| Aug 7, 7:03 AM EDT | Special Marine Warning | CLE | 87 min | |
| Aug 7, 12:11 PM EDT | Small Craft Advisory | CLE | 8 hr | |
| Aug 7, 3:09 PM EDT | Special Marine Warning | CLE | 2 hr | |
| Aug 7, 7:15 PM EDT | Special Marine Warning | CLE | 2 hr |
Nearby
Severe Thunderstorm Warnings in Ohio, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.