Alert archive / Ohio / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 14, NWS Cleveland, OH
NWS Cleveland, OH issued this severe thunderstorm warning at Mar 15, 2012, 5:46 AM EDT for Knox County, Ohio. It was in force for 44 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
- Mar 15, 2012, 5:46 AM EDT (09:46 UTC)
- Expired
- Mar 15, 2012, 6:30 AM EDT
- In force
- 44 min
- Issued by
- NWS Cleveland, OH
- Area
- Storm-based polygon
County Knox County, OH
The radar
The Cleveland radar (KCLE), 134 km from the middle of the area, began a volume at 09:48 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 00:00Z, 9.8 hours before the alert went out and 152 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
- 13 J/kg
- Mixed-layer CIN
- -152 J/kg
- Mixed-layer LCL
- 2195 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 26 m²/s²
- 0-3 km storm-relative helicity
- 106 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
943
WUUS51 KCLE 150946
SVRCLE
OHC083-151030-
/O.NEW.KCLE.SV.W.0014.120315T0946Z-120315T1030Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
546 AM EDT THU MAR 15 2012
THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHERN KNOX COUNTY IN NORTH CENTRAL OHIO
* UNTIL 630 AM EDT
* AT 543 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS
STORM WAS LOCATED NEAR MOUNT VERNON...AND MOVING EAST AT 30 MPH.
* LOCATIONS IMPACTED INCLUDE...
MOUNT VERNON...
GAMBIER...
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 4024 8238 4025 8249 4026 8249 4026 8255
4028 8265 4047 8264 4045 8218 4024 8219
4023 8220 4023 8238
TIME...MOT...LOC 0946Z 280DEG 27KT 4037 8254
$$
MULLEN2 follow-up statements
712
WWUS51 KCLE 151019
SVSCLE
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
619 AM EDT THU MAR 15 2012
OHC083-151030-
/O.CON.KCLE.SV.W.0014.000000T0000Z-120315T1030Z/
KNOX OH-
619 AM EDT THU MAR 15 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 AM EDT
FOR SOUTHERN KNOX COUNTY...
AT 604 AM EDT...THE PUBLIC REPORTED NICKEL SIZE HAIL JUST WEST OF
MOUNT VERNON.
AT 614 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE AN AREA OF STRONG TO SEVERE THUNDERSTORM CAPABLE OF
PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED NEAR
GAMBIER...OR NEAR MOUNT VERNON...MOVING EAST AT 30 MPH.
LOCATIONS NEAR THE PATH OF THE SEVERE THUNDERSTORM INCLUDE...
DANVILLE.
LAT...LON 4024 8238 4025 8249 4026 8249 4026 8255
4036 8262 4047 8252 4045 8218 4024 8219
4023 8220 4023 8238
TIME...MOT...LOC 1018Z 288DEG 26KT 4035 8236
$$
MULLEN370
WWUS51 KCLE 151029
SVSCLE
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
629 AM EDT THU MAR 15 2012
OHC083-151039-
/O.EXP.KCLE.SV.W.0014.000000T0000Z-120315T1030Z/
KNOX OH-
629 AM EDT THU MAR 15 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN KNOX COUNTY EXPIRES
AT 630 AM EDT...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND NO LONGER
APPEARED TO BE SEVERE...HOWEVER HEAVY RAIN IS STILL POSSIBLE WITH
THIS THUNDERSTORM.
LAT...LON 4024 8238 4025 8249 4026 8249 4026 8255
4036 8262 4047 8252 4045 8218 4024 8219
4023 8220 4023 8238
TIME...MOT...LOC 1029Z 288DEG 26KT 4032 8226
$$
MULLENThe office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 15, 3:10 AM EDT | Severe Thunderstorm Warning | CLE | Hancock | 50 min |
| Mar 15, 3:16 AM EDT | Severe Thunderstorm Warning | CLE | Ottawa | 44 min |
| Mar 15, 3:47 AM EDT | Severe Thunderstorm Warning | CLE | Ottawa, Sandusky | 43 min |
| Mar 15, 4:06 AM EDT | Severe Thunderstorm Warning | CLE | Ashland, Richland | 54 min |
| Mar 15, 4:25 AM EDT | Severe Thunderstorm Warning | CLE | Erie, Huron | 50 min |
| Mar 15, 4:29 AM EDT | Severe Thunderstorm Warning | CLE | Knox | 46 min |
| Mar 15, 5:02 AM EDT | Severe Thunderstorm Warning | CLE | Lorain, Medina | 73 min |
| Mar 15, 6:05 AM EDT | Areal Flood Advisory | CLE | Ashland, Knox, Richland | 4 hr |
| Mar 15, 7:51 AM EDT | Areal Flood Warning | CLE | Ashland, Knox, Richland | 6 hr |
| Mar 15, 8:22 AM EDT | Special Marine Warning | CLE | 83 min | |
| Mar 15, 8:26 AM EDT | Severe Thunderstorm Warning | CLE | Crawford, Marion, Wyandot | 38 min |
| Mar 15, 9:52 AM EDT | Severe Thunderstorm Warning | CLE | Wood | 17 min |
| Mar 15, 4:46 PM EDT | Severe Thunderstorm Warning | CLE | Ashland, Wayne | 29 min |
| Mar 15, 5:56 PM EDT | Special Marine Warning | CLE | 2 hr | |
| Mar 15, 7:16 PM EDT | Severe Thunderstorm Warning | CLE | Lucas | 25 min |
| Mar 15, 7:57 PM EDT | Special Marine Warning | CLE | 2 hr |
Nearby
Severe Thunderstorm Warnings in Ohio, 2012Every severe thunderstorm warning in 2012
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.