Alert archive / Ohio / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 148, NWS Cleveland, OH

July 27, 20124 counties in Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jul 27, 2012, 5:21 PM EDT for 4 counties in Ohio. It was in force for 39 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 27, 2012, 5:21 PM EDT (21:21 UTC)
Expired
Jul 27, 2012, 6:00 PM EDT
In force
39 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon

Counties Lucas County, OH, Ottawa County, OH, Sandusky County, OH, Wood County, OH

The radar

The Detroit radar (KDTX), 119 km from the middle of the area, began a volume at 21:24 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 27, 5:25 PM EDTHAIL 13 Ne Perrysburg, 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 27, 2:43 PM EDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 9.4 hours before the alert went out and 121 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 2012-07-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 542 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, Detroit, MI at 12:00Z on 2012-07-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 24 square meters per square second.1939587897Sfc1 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
542 J/kg
Mixed-layer CIN
-19 J/kg
Mixed-layer LCL
553 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
24 m²/s²
0-3 km storm-relative helicity
93 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.4

Open this sounding in Storm Lab

The text

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

976 
WUUS51 KCLE 272121
SVRCLE
OHC095-123-143-173-272200-
/O.NEW.KCLE.SV.W.0148.120727T2121Z-120727T2200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
521 PM EDT FRI JUL 27 2012

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  LUCAS COUNTY IN NORTHWEST OHIO
  OTTAWA COUNTY IN NORTHWEST OHIO
  NORTHWESTERN SANDUSKY COUNTY IN NORTHWEST OHIO
  NORTHERN WOOD COUNTY IN NORTHWEST OHIO

* UNTIL 600 PM EDT

* AT 516 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
  PERRYSBURG...AND MOVING EAST AT 20 MPH.

* LOCATIONS IMPACTED INCLUDE...
  ELMORE...
  NORTHWOOD...
  OREGON...
  GENOA...
  WOODVILLE...
  OAK HARBOR...

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 4171 8387 4174 8345 4172 8341 4170 8342
      4169 8337 4172 8334 4164 8321 4163 8316
      4175 8311 4175 8310 4164 8316 4162 8309
      4153 8297 4143 8295 4141 8389
TIME...MOT...LOC 2121Z 271DEG 16KT 4155 8355

$$

KIELTYKA
2 follow-up statements
145 
WWUS51 KCLE 272137
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
537 PM EDT FRI JUL 27 2012

OHC095-123-143-173-272200-
/O.CON.KCLE.SV.W.0148.000000T0000Z-120727T2200Z/
WOOD OH-LUCAS OH-OTTAWA OH-SANDUSKY OH-
537 PM EDT FRI JUL 27 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT
FOR NORTHWESTERN SANDUSKY...OTTAWA...LUCAS AND NORTHERN WOOD
COUNTIES...

AT 535 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
6 MILES WEST OF HOLLAND...OR 10 MILES NORTHWEST OF WATERVILLE...
MOVING NORTHEAST AT 20 MPH.

LOCATIONS NEAR THE PATH OF THE SEVERE THUNDERSTORM INCLUDE...
HOLLAND...MAUMEE...PERRYSBURG...OTTAWA HILLS...SYLVANIA...TOLEDO AND
ROSSFORD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. SEEK SHELTER INSIDE NOW AND STAY AWAY FROM
WINDOWS.

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

&&

LAT...LON 4171 8387 4174 8345 4172 8341 4170 8342
      4169 8337 4172 8334 4164 8321 4163 8316
      4175 8311 4175 8310 4164 8316 4162 8309
      4153 8297 4143 8295 4141 8389
TIME...MOT...LOC 2136Z 243DEG 19KT 4162 8383

$$

YEAGER
984 
WWUS51 KCLE 272201
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
601 PM EDT FRI JUL 27 2012

OHC095-123-143-173-272211-
/O.EXP.KCLE.SV.W.0148.000000T0000Z-120727T2200Z/
WOOD OH-LUCAS OH-OTTAWA OH-SANDUSKY OH-
601 PM EDT FRI JUL 27 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN SANDUSKY...
OTTAWA...LUCAS AND NORTHERN WOOD COUNTIES EXPIRED AT 600 PM EDT...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND NO LONGER
APPEARED TO BE SEVERE...HOWEVER GUSTY WINDS AND HEAVY RAIN ARE STILL
POSSIBLE WITH THIS THUNDERSTORM.

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

LAT...LON 4171 8387 4174 8345 4172 8341 4170 8342
      4169 8337 4172 8334 4164 8321 4163 8316
      4175 8311 4175 8310 4164 8316 4162 8309
      4153 8297 4143 8295 4141 8389
TIME...MOT...LOC 2137Z 243DEG 19KT 4162 8382

$$

YEAGER

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 27, 5:40 PM EDTSpecial Marine WarningCLE2 hr
Jul 27, 6:30 PM EDTSevere Thunderstorm WarningCLELorain, Medina23 min
Jul 27, 7:43 PM EDTSpecial Marine WarningCLE92 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.