Alert archive / Ohio / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 174, NWS Cleveland, OH

September 7, 2012Hancock County, Wood County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Sep 7, 2012, 2:17 PM EDT for Hancock County, Wood County, Ohio. It was in force for 58 min. 2 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
Sep 7, 2012, 2:17 PM EDT (18:17 UTC)
Expired
Sep 7, 2012, 3:15 PM EDT
In force
58 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon

Counties Hancock County, OH, Wood County, OH

The radar

The Cleveland radar (KCLE), 154 km from the middle of the area, began a volume at 18:21 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

TimeReportWhereRemark
Sep 7, 2:21 PM EDTTSTM WND DMGFindlay, OH
Sep 7, 2:25 PM EDTTSTM WND DMGMccomb, OHCOUPLE OF TREES DOWN.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Sep 7, 11:36 AM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 6.3 hours before the alert went out and 178 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.

Skew-T log-pSkew-T log-p diagram, Cncnati-Daytn, OH at 12:00Z on 2012-09-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1535 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 12:00Z on 2012-09-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1535 J/kg
Mixed-layer CIN
-48 J/kg
Mixed-layer LCL
930 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
113 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

082 
WUUS51 KCLE 071817
SVRCLE
OHC063-173-071915-
/O.NEW.KCLE.SV.W.0174.120907T1817Z-120907T1915Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
217 PM EDT FRI SEP 7 2012

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  HANCOCK COUNTY IN NORTHWEST OHIO
  SOUTHERN WOOD COUNTY IN NORTHWEST OHIO

* UNTIL 315 PM EDT

* AT 206 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 9 MILES SOUTHWEST OF CUSTAR TO
  12 MILES WEST OF RAWSON TO 22 MILES SOUTHWEST OF RAWSON...AND
  MOVING EAST AT 55 MPH.

* LOCATIONS IMPACTED INCLUDE...
  FINDLAY...
  BOWLING GREEN...
  VAN BUREN...
  NORTH BALTIMORE...
  ARLINGTON...
  ARCADIA...
  VANLUE...

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 4140 8389 4142 8342 4099 8342 4099 8346
      4095 8346 4095 8348 4091 8348 4090 8352
      4082 8351 4081 8388 4082 8389 4096 8389
TIME...MOT...LOC 1816Z 268DEG 46KT 4120 8380 4102 8383
          4081 8399

$$

LAPLANTE
2 follow-up statements
103 
WWUS51 KCLE 071846
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
246 PM EDT FRI SEP 7 2012

OHC063-173-071915-
/O.CON.KCLE.SV.W.0174.000000T0000Z-120907T1915Z/
HANCOCK OH-WOOD OH-
246 PM EDT FRI SEP 7 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM EDT
FOR SOUTHERN WOOD AND EASTERN HANCOCK COUNTIES...

AT 245 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 JERRY CITY TO VANLUE TO ARLINGTON...MOVING EAST AT 40 
MPH.

LOCATIONS NEAR THE PATH OF SEVERE THUNDERSTORMS INCLUDE...WAYNE...
RISINGSUN AND BRADNER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 600 PM EDT FRIDAY
EVENING FOR NORTHWESTERN OHIO.

&&

LAT...LON 4142 8342 4099 8342 4099 8346 4095 8346
      4095 8348 4091 8348 4090 8352 4082 8352
      4081 8373 4140 8375
TIME...MOT...LOC 1846Z 268DEG 38KT 4124 8356 4103 8349
          4084 8360

$$

SJAMISON
358 
WWUS51 KCLE 071909
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
309 PM EDT FRI SEP 7 2012

OHC063-173-071919-
/O.EXP.KCLE.SV.W.0174.000000T0000Z-120907T1915Z/
HANCOCK OH-WOOD OH-
309 PM EDT FRI SEP 7 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN WOOD AND EASTERN
HANCOCK COUNTIES EXPIRES AT 315 PM EDT...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 600 PM EDT FRIDAY
EVENING FOR NORTHWESTERN OHIO.

LAT...LON 4142 8342 4099 8342 4099 8346 4095 8346
      4095 8348 4091 8348 4090 8352 4082 8352
      4081 8373 4140 8375
TIME...MOT...LOC 1909Z 268DEG 38KT 4125 8323 4104 8317
          4085 8328

$$

MAYERS

The office that day

Everything else NWS Cleveland, OH issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 7, 2:12 PM EDTSevere Thunderstorm WarningCLECuyahoga, Medina, Summit48 min
Sep 7, 2:51 PM EDTSevere Thunderstorm WarningCLECrawford, Huron, Seneca54 min
Sep 7, 3:13 PM EDTSevere Thunderstorm WarningCLECrawford, Marion, Wyandot62 min
Sep 7, 3:18 PM EDTSevere Thunderstorm WarningCLEErie, Huron57 min
Sep 7, 3:28 PM EDTSpecial Marine WarningCLE77 min
Sep 7, 3:44 PM EDTSevere Thunderstorm WarningCLECrawford, Huron, Seneca19 min
Sep 7, 4:26 PM EDTGale WarningCLE23 hr
Sep 7, 4:29 PM EDTSevere Thunderstorm WarningCLESummit46 min
Sep 7, 4:46 PM EDTSevere Thunderstorm WarningCLEMedina29 min
Sep 7, 4:49 PM EDTSevere Thunderstorm WarningCLEPortage56 min
Sep 7, 5:52 PM EDTSevere Thunderstorm WarningCLEMahoning, Portage, Stark, Trumbull53 min
Sep 7, 6:26 PM EDTAreal Flood AdvisoryCLEMahoning, Trumbull81 min

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.