Alert archive / Ohio / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 87, NWS Cleveland, OH

July 1, 2012Erie County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jul 1, 2012, 6:57 PM EDT for Erie County, Ohio. It was in force for 48 min. 1 report 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
Jul 1, 2012, 6:57 PM EDT (22:57 UTC)
Expired
Jul 1, 2012, 7:45 PM EDT
In force
48 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon

County Erie County, OH

The radar

The Cleveland radar (KCLE), 65 km from the middle of the area, began a volume at 22:56 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
Jul 1, 7:12 PM EDTTSTM WND DMGBerlin Heights, OHA WIND GUST OF 70 MPH WAS ESTIMATED. MANY TREES REPORTED 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
Jul 1, 5:40 PM EDTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 11.0 hours before the alert went out and 158 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, Detroit, MI at 12:00Z on 2012-07-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Detroit, MI at 12:00Z on 2012-07-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 8 square meters per square second.19395878Sfc1 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
2 J/kg
Mixed-layer CIN
-291 J/kg
Mixed-layer LCL
1587 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
8 m²/s²
0-3 km storm-relative helicity
104 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

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

424 
WUUS51 KCLE 012257
SVRCLE
OHC043-012345-
/O.NEW.KCLE.SV.W.0087.120701T2257Z-120701T2345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
657 PM EDT SUN JUL 1 2012

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ERIE COUNTY IN NORTH CENTRAL OHIO

* UNTIL 745 PM EDT

* AT 656 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
  CASTALIA...AND MOVING SOUTHEAST AT 30 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MILAN...
  MILAN...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. SEEK SHELTER INSIDE 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 4148 8280 4146 8275 4147 8270 4150 8269
      4142 8259 4139 8251 4139 8247 4143 8235
      4129 8235 4129 8284 4148 8285 4148 8280
      4154 8277
TIME...MOT...LOC 2257Z 289DEG 26KT 4132 8279

$$

KOSARIK
1 follow-up statement
204 
WWUS51 KCLE 012343
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
743 PM EDT SUN JUL 1 2012

OHC043-012353-
/O.EXP.KCLE.SV.W.0087.000000T0000Z-120701T2345Z/
ERIE OH-
743 PM EDT SUN JUL 1 2012

...THE SEVERE THUNDERSTORM WARNING FOR ERIE COUNTY IN NORTH CENTRAL
OHIO EXPIRES AT 745 PM EDT...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT
SUNDAY EVENING FOR NORTHERN OHIO.

LAT...LON 4148 8280 4146 8275 4147 8270 4150 8269
      4142 8259 4139 8251 4139 8247 4143 8235
      4129 8235 4129 8284 4148 8285 4148 8280
      4154 8277
TIME...MOT...LOC 2343Z 289DEG 26KT 4121 8237

$$

THOMPSON

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 1, 5:16 PM EDTSevere Thunderstorm WarningCLELucas63 min
Jul 1, 5:27 PM EDTSevere Thunderstorm WarningCLEWood68 min
Jul 1, 5:34 PM EDTSpecial Marine WarningCLE116 min
Jul 1, 5:52 PM EDTSevere Thunderstorm WarningCLEErie, Ottawa, Sandusky68 min
Jul 1, 6:10 PM EDTTornado WarningCLEErie, Ottawa, Sandusky50 min
Jul 1, 6:20 PM EDTSpecial Marine WarningCLE115 min
Jul 1, 6:41 PM EDTSevere Thunderstorm WarningCLEHuron, Seneca64 min
Jul 1, 7:06 PM EDTTornado WarningCLEErie, Huron24 min
Jul 1, 7:12 PM EDTSevere Thunderstorm WarningCLEAshland, Lorain78 min
Jul 1, 7:19 PM EDTSevere Thunderstorm WarningCLEAshland, Knox, Richland56 min
Jul 1, 7:23 PM EDTSpecial Marine WarningCLE97 min
Jul 1, 7:37 PM EDTSevere Thunderstorm WarningCLEHolmes, Medina, Wayne68 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.