Alert archive / Ohio / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 2, NWS Cleveland, OH

January 17, 2012Geauga County, Lake County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jan 17, 2012, 4:13 PM EST for Geauga County, Lake County, Ohio. It was in force for 47 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
Jan 17, 2012, 4:13 PM EST (21:13 UTC)
Expired
Jan 17, 2012, 5:00 PM EST
In force
47 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon

Counties Geauga County, OH, Lake County, OH

The radar

The Cleveland radar (KCLE), 63 km from the middle of the area, began a volume at 21:16 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
Jan 17, 4:37 PM ESTTSTM WND DMGChardon, OHLARGE BRANCHES DOWNED

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

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 9.2 hours before the alert went out and 174 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, Pittsburgh, PA at 12:00Z on 2012-01-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Pittsburgh, PA at 12:00Z on 2012-01-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 565 square meters per square second.1939587897117Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
597 m above ground
0-6 km bulk shear
77 kt
0-1 km storm-relative helicity
565 m²/s²
0-3 km storm-relative helicity
544 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.

044 
WUUS51 KCLE 172113
SVRCLE
OHC055-085-172200-
/O.NEW.KCLE.SV.W.0002.120117T2113Z-120117T2200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
413 PM EST TUE JAN 17 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 500 PM EST

* AT 412 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
  EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
  FROM 6 MILES NORTHWEST OF PAINESVILLE TO MENTOR TO 11 MILES SOUTH
  OF WILLOUGHBY...AND MOVING EAST AT 60 MPH.

* LOCATIONS IMPACTED INCLUDE...
  CHARDON...
  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 8101 4149 8100 4158 8149 4165 8148
      4169 8144 4177 8129 4177 8126 4185 8105
TIME...MOT...LOC 2114Z 270DEG 50KT 4180 8127 4168 8132
          4149 8144

$$

MULLEN

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 17, 4:23 AM ESTGale WarningCLE24 hr
Jan 17, 2:52 PM ESTSevere Thunderstorm WarningCLEErie23 min
Jan 17, 3:12 PM ESTWind AdvisoryCLEAshtabula, Cuyahoga, Lake7 hr
Jan 17, 4:26 PM ESTSevere Thunderstorm WarningCLECuyahoga, Geauga, Portage, Summit49 min
Jan 17, 4:32 PM ESTSevere Thunderstorm WarningCLEAshtabula43 min
Jan 17, 5:01 PM ESTSevere Thunderstorm WarningCLEAshtabula, Mahoning, Portage, Trumbull59 min
Jan 17, 5:04 PM ESTRiver Flood WarningCLELorain15 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.