Alert archive / Ohio / Tornado Warnings in 2012

Tornado Warning 4, NWS Cleveland, OH

July 1, 2012Erie County, Huron County, Ohio

NWS Cleveland, OH issued this tornado warning at Jul 1, 2012, 7:06 PM EDT for Erie County, Huron County, Ohio. It was in force for 24 min. 4 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
Jul 1, 2012, 7:06 PM EDT (23:06 UTC)
Expired
Jul 1, 2012, 7:30 PM EDT
In force
24 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon

Counties Erie County, OH, Huron County, OH

The radar

The Cleveland radar (KCLE), 54 km from the middle of the area, began a volume at 23:07 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, 7:10 PM EDTTSTM WND DMGNorwalk, OHESTIMATED 18 INCH DIAMETER LIMB DOWN ON A TRUCK AND BOAT CAUSING DAMAGE TO EACH.
Jul 1, 7:12 PM EDTTSTM WND DMGBerlin Heights, OHA WIND GUST OF 70 MPH WAS ESTIMATED. MANY TREES REPORTED DOWN.
Jul 1, 7:15 PM EDTTSTM WND DMGNorwalk, OHSEVERAL TREES AND POWER LINES REPORTED DOWN.
Jul 1, 7:25 PM EDTTSTM WND GST 62Wakeman, OH

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, 11.1 hours before the alert went out and 186 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.

822 
WFUS51 KCLE 012306
TORCLE
OHC043-077-012330-
/O.NEW.KCLE.TO.W.0004.120701T2306Z-120701T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
706 PM EDT SUN JUL 1 2012

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN ERIE COUNTY IN NORTH CENTRAL OHIO...
  NORTHEASTERN HURON COUNTY IN NORTH CENTRAL OHIO...

* UNTIL 730 PM EDT

* AT 702 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR MILAN...OR 5 MILES NORTHEAST OF NORWALK...
  AND MOVING EAST AT 30 MPH.

* LOCATIONS IMPACTED INCLUDE...
  WAKEMAN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. IF NO
BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE
BUILDING IN AN INTERIOR HALLWAY OR CLOSET.

PLEASE REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE. 1-877-633-6772. WHEN YOU CAN DO SO SAFELY.

&&

LAT...LON 4114 8237 4114 8239 4118 8248 4118 8249
      4123 8263 4135 8257 4133 8245 4131 8235
      4112 8234
TIME...MOT...LOC 2307Z 292DEG 28KT 4128 8250

$$

KOSARIK

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, 6:57 PM EDTSevere Thunderstorm WarningCLEErie48 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

Tornado Warnings in Ohio, 2012Every tornado warning in 2012Tornadoes 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.