Alert archive / Ohio / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 171, NWS Cleveland, OH
NWS Cleveland, OH issued this severe thunderstorm warning at Aug 10, 2012, 3:40 PM EDT for Geauga County, Lake County, Ohio. It was in force for 50 min. 3 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Aug 10, 2012, 3:40 PM EDT (19:40 UTC)
- Expired
- Aug 10, 2012, 4:30 PM EDT
- In force
- 50 min
- Issued by
- NWS Cleveland, OH
- Area
- Storm-based polygon
Counties Geauga County, OH, Lake County, OH
The radar
The Cleveland radar (KCLE), 67 km from the middle of the area, began a volume at 19:40 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 10, 3:46 PM EDT | HAIL 1 | Mentor, OH | |
| Aug 10, 3:52 PM EDT | HAIL 0.75 | Painesville, OH | |
| Aug 10, 4:00 PM EDT | HAIL 0.75 | 4 S Painesville, OH |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Pittsburgh, PA (KAGC), launched 12:00Z, 7.7 hours before the alert went out and 173 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
- 129 J/kg
- Mixed-layer CIN
- -29 J/kg
- Mixed-layer LCL
- 706 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 102 m²/s²
- 0-3 km storm-relative helicity
- 133 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
292
WUUS51 KCLE 101940
SVRCLE
OHC055-085-102030-
/O.NEW.KCLE.SV.W.0171.120810T1940Z-120810T2030Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
340 PM EDT FRI AUG 10 2012
THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHERN GEAUGA COUNTY IN NORTHEAST OHIO
LAKE COUNTY IN NORTHEAST OHIO
* UNTIL 430 PM EDT
* AT 336 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR
WILLOUGHBY...AND MOVING NORTHEAST AT 30 MPH.
* LOCATIONS IMPACTED INCLUDE...
PAINESVILLE...
PERRY...
MADISON...
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 4186 8100 4165 8100 4150 8133 4165 8147
4177 8127 4177 8124 4182 8113
TIME...MOT...LOC 1941Z 235DEG 27KT 4163 8130
$$2 follow-up statements
708
WWUS51 KCLE 102008
SVSCLE
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
408 PM EDT FRI AUG 10 2012
OHC055-085-102030-
/O.CON.KCLE.SV.W.0171.000000T0000Z-120810T2030Z/
GEAUGA OH-LAKE OH-
408 PM EDT FRI AUG 10 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM EDT
FOR LAKE AND NORTHERN GEAUGA COUNTIES...
AT 404 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED
NEAR PAINESVILLE...MOVING NORTHEAST AT 30 MPH.
AT 346 PM EDT...QUARTER SIZE HAIL HAD BEEN REPORTED NEAR MENTOR.
LOCATIONS NEAR THE PATH OF THE SEVERE THUNDERSTORM INCLUDE...NORTH
PERRY...MADISON AND NORTH MADISON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS STORM. SEEK SHELTER INSIDE NOW AND STAY AWAY FROM
WINDOWS.
&&
LAT...LON 4186 8100 4165 8100 4150 8133 4168 8142
4177 8127 4177 8124 4182 8113
TIME...MOT...LOC 2007Z 235DEG 27KT 4172 8116
$$
YEAGER793
WWUS51 KCLE 102031
SVSCLE
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
431 PM EDT FRI AUG 10 2012
OHC055-085-102041-
/O.EXP.KCLE.SV.W.0171.000000T0000Z-120810T2030Z/
GEAUGA OH-LAKE OH-
431 PM EDT FRI AUG 10 2012
...THE SEVERE THUNDERSTORM WARNING FOR LAKE AND NORTHERN GEAUGA
COUNTIES EXPIRED AT 430 PM EDT...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND MOVED OUT OF
THE WARNED AREA...HOWEVER HEAVY RAIN IS STILL POSSIBLE WITH THIS
THUNDERSTORM.
LAT...LON 4186 8100 4165 8100 4150 8133 4168 8142
4177 8127 4177 8124 4182 8113
TIME...MOT...LOC 2008Z 235DEG 27KT 4172 8115
$$
YEAGERThe office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 9, 8:45 PM EDT | Severe Thunderstorm Warning | CLE | Knox | 60 min |
| Aug 9, 9:00 PM EDT | Special Marine Warning | CLE | 2 hr | |
| Aug 9, 10:39 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 31 min |
| Aug 9, 10:56 PM EDT | Special Marine Warning | CLE | 2 hr | |
| Aug 10, 1:02 AM EDT | Severe Thunderstorm Warning | CLE | Sandusky, Seneca | 58 min |
| Aug 10, 2:06 AM EDT | Special Marine Warning | CLE | 114 min | |
| Aug 10, 2:14 AM EDT | Severe Thunderstorm Warning | CLE | Erie, Lorain | 43 min |
| Aug 10, 4:39 PM EDT | Areal Flood Advisory | CLE | Lake | 3 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.