Alert archive / Ohio / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 15, NWS Cleveland, OH
NWS Cleveland, OH issued this severe thunderstorm warning at Apr 27, 2011, 11:56 AM EDT for Knox County, Morrow County, Richland County, Ohio. It was in force for 49 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
- Apr 27, 2011, 11:56 AM EDT (15:56 UTC)
- Expired
- Apr 27, 2011, 12:45 PM EDT
- In force
- 49 min
- Issued by
- NWS Cleveland, OH
- Area
- Storm-based polygon
Counties Knox County, OH, Morrow County, OH, Richland County, OH
The radar
The Cleveland radar (KCLE), 110 km from the middle of the area, began a volume at 15:55 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, 3.9 hours before the alert went out and 169 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
- 279 J/kg
- Mixed-layer CIN
- -56 J/kg
- Mixed-layer LCL
- 846 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 470 m²/s²
- 0-3 km storm-relative helicity
- 503 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.9
The text
As transmitted, in the capitals the NWS used until 2016.
492
WUUS51 KCLE 271556
SVRCLE
OHC083-117-139-271645-
/O.NEW.KCLE.SV.W.0015.110427T1556Z-110427T1645Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
1156 AM EDT WED APR 27 2011
THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
KNOX COUNTY IN NORTH CENTRAL OHIO
EASTERN MORROW COUNTY IN NORTH CENTRAL OHIO
SOUTHEASTERN RICHLAND COUNTY IN NORTH CENTRAL OHIO
* UNTIL 1245 PM EDT
* AT 1151 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM 6 MILES SOUTHWEST OF LEXINGTON TO 10 MILES SOUTHEAST OF
CENTERBURG...AND MOVING NORTHEAST AT 50 MPH.
* LOCATIONS IMPACTED INCLUDE...
MANSFIELD...
GAMBIER...
BELLVILLE...
ONTARIO...
DANVILLE...
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 4025 8248 4026 8252 4027 8271 4068 8275
4089 8246 4077 8237 4073 8238 4072 8233
4056 8234 4057 8222 4051 8218 4023 8220
TIME...MOT...LOC 1556Z 223DEG 43KT 4067 8262 4027 8249
$$
LAPLANTE2 follow-up statements
055
WWUS51 KCLE 271630
SVSCLE
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
1230 PM EDT WED APR 27 2011
OHC083-117-139-271645-
/O.CON.KCLE.SV.W.0015.000000T0000Z-110427T1645Z/
KNOX OH-MORROW OH-RICHLAND OH-
1230 PM EDT WED APR 27 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1245 PM EDT
FOR RICHLAND...MORROW AND KNOX COUNTIES...
AT 1227 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 18 MILES NORTHEAST OF MANSFIELD TO GANN...MOVING
NORTHEAST AT 50 MPH.
THE PUBLIC HAS REPORTED SOME WIND DAMAGE IN THE CITY OF MANSFIELD.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
MOUNT VERNON...MANSFIELD...
LAT...LON 4025 8248 4027 8260 4068 8266 4089 8246
4078 8237 4073 8238 4072 8234 4056 8234
4057 8222 4051 8218 4023 8220
TIME...MOT...LOC 1630Z 223DEG 43KT 4097 8225 4057 8212
$$
KUBINA275
WWUS51 KCLE 271645
SVSCLE
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
1245 PM EDT WED APR 27 2011
OHC083-117-139-271656-
/O.EXP.KCLE.SV.W.0015.000000T0000Z-110427T1645Z/
KNOX OH-MORROW OH-RICHLAND OH-
1245 PM EDT WED APR 27 2011
...THE SEVERE THUNDERSTORM WARNING FOR RICHLAND...MORROW AND KNOX
COUNTIES EXPIRES AT 1245 PM EDT...
THE GENERAL PUBLIC REPORTED WIND DAMAGE IN MANSFIELD.
LAT...LON 4025 8248 4027 8260 4068 8266 4089 8246
4078 8237 4073 8238 4072 8234 4056 8234
4057 8222 4051 8218 4023 8220
TIME...MOT...LOC 1630Z 223DEG 43KT 4097 8225 4057 8212
$$
KUBINAThe office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 27, 11:25 AM EDT | Tornado Warning | CLE | Lucas, Wood | 17 min |
| Apr 27, 12:13 PM EDT | Severe Thunderstorm Warning | CLE | Ashland, Knox, Richland | 33 min |
| Apr 27, 12:34 PM EDT | Severe Thunderstorm Warning | CLE | Ashland, Huron, Lorain | 41 min |
| Apr 27, 12:51 PM EDT | Severe Thunderstorm Warning | CLE | Cuyahoga, Lorain, Medina, Wayne | 39 min |
| Apr 27, 1:04 PM EDT | Special Marine Warning | CLE | 116 min | |
| Apr 27, 1:19 PM EDT | Severe Thunderstorm Warning | CLE | Cuyahoga, Medina, Summit | 41 min |
| Apr 27, 1:40 PM EDT | Severe Thunderstorm Warning | CLE | Geauga, Lake | 50 min |
| Apr 27, 2:26 PM EDT | Special Marine Warning | CLE | 64 min | |
| Apr 27, 2:27 PM EDT | Small Craft Advisory | CLE | 7 hr | |
| Apr 27, 4:53 PM EDT | River Flood Warning | CLE | Mahoning | 5 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.