Alert archive / Ohio / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 253, NWS Cleveland, OH
NWS Cleveland, OH issued this severe thunderstorm warning at Aug 18, 2011, 9:10 PM EDT for Ashtabula County, Geauga County, Lake County, Ohio. It was in force for 65 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 18, 2011, 9:10 PM EDT (01:10 UTC)
- Expired
- Aug 18, 2011, 10:15 PM EDT
- In force
- 65 min
- Issued by
- NWS Cleveland, OH
- Area
- Storm-based polygon
Counties Ashtabula County, OH, Geauga County, OH, Lake County, OH
The radar
The Cleveland radar (KCLE), 85 km from the middle of the area, began a volume at 01:11 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
Pittsburgh, PA (KPIT), launched 00:00Z, 1.2 hours before the alert went out and 170 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
- 201 J/kg
- Mixed-layer CIN
- -43 J/kg
- Mixed-layer LCL
- 1889 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 23 m²/s²
- 0-3 km storm-relative helicity
- 29 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
979
WUUS51 KCLE 190110
SVRCLE
OHC007-055-085-190215-
/O.NEW.KCLE.SV.W.0253.110819T0110Z-110819T0215Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
910 PM EDT THU AUG 18 2011
THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
ASHTABULA COUNTY IN NORTHEAST OHIO
NORTHERN GEAUGA COUNTY IN NORTHEAST OHIO
LAKE COUNTY IN NORTHEAST OHIO
* UNTIL 1015 PM EDT
* AT 906 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS
STORM WAS LOCATED NEAR MADISON...AND MOVING EAST AT 15 MPH.
* LOCATIONS IMPACTED INCLUDE...
ASHTABULA...
JEFFERSON...
GENEVA...
NORTH KINGSVILLE...
CONNEAUT...
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 4163 8052 4157 8149 4164 8150 4169 8144
4177 8129 4177 8126 4186 8102 4188 8090
4192 8080 4193 8072 4197 8060 4197 8053
TIME...MOT...LOC 0110Z 278DEG 12KT 4184 8104
$$
DJB1 follow-up statement
272
WWUS51 KCLE 190157
SVSCLE
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
957 PM EDT THU AUG 18 2011
OHC007-055-085-190215-
/O.CON.KCLE.SV.W.0253.000000T0000Z-110819T0215Z/
GEAUGA OH-LAKE OH-ASHTABULA OH-
957 PM EDT THU AUG 18 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1015 PM EDT
FOR ASHTABULA...NORTHEASTERN LAKE AND NORTHEASTERN GEAUGA COUNTIES...
AT 953 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER
SIZE HAIL. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 11
MILES SOUTHEAST OF CONNEAUT TO 12 MILES SOUTH OF MADISON...MOVING
EAST AT 25 MPH.
LOCATIONS NEAR THE PATH OF SEVERE THUNDERSTORMS INCLUDE...ROAMING
SHORES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS STORM. SEEK SHELTER INSIDE NOW AND STAY AWAY FROM
WINDOWS.
&&
LAT...LON 4163 8052 4160 8124 4176 8123 4186 8102
4188 8090 4192 8080 4193 8072 4197 8060
4197 8053
TIME...MOT...LOC 0157Z 280DEG 21KT 4177 8045 4159 8105
$$
SCHULERThe office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 18, 8:06 PM EDT | Special Marine Warning | CLE | 114 min | |
| Aug 18, 8:53 PM EDT | Severe Thunderstorm Warning | CLE | Cuyahoga, Geauga | 67 min |
| Aug 19, 3:58 AM EDT | Severe Thunderstorm Warning | CLE | Geauga, Portage, Summit | 62 min |
| Aug 19, 4:43 AM EDT | Flash Flood Warning | CLE | Geauga | 107 min |
| Aug 19, 5:00 AM EDT | Severe Thunderstorm Warning | CLE | Ashtabula, Geauga, Portage, Trumbull | 60 min |
| Aug 19, 5:57 AM EDT | Severe Thunderstorm Warning | CLE | Mahoning, Portage, Trumbull | 63 min |
| Aug 19, 2:30 PM EDT | Flash Flood Warning | CLE | Knox | 87 min |
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.