Alert archive / Ohio / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 101, NWS Cleveland, OH

July 27, 2014Cuyahoga County, Lake County, Lorain County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jul 27, 2014, 7:57 PM EDT for Cuyahoga County, Lake County, Lorain County, Ohio. It was in force for 63 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
Jul 27, 2014, 7:57 PM EDT (23:57 UTC)
Expired
Jul 27, 2014, 9:00 PM EDT
In force
63 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon

Counties Cuyahoga County, OH, Lake County, OH, Lorain County, OH

The radar

The Cleveland radar (KCLE), 33 km from the middle of the area, began a volume at 23:57 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, 8:20 PM EDTTSTM WND DMGLakewood, OHA LARGE TREE WAS KNOCKED DOWN. SCATTERED POWER OUTAGES WERE REPORTED IN LAKEWOOD.
Jul 27, 8:27 PM EDTTSTM WND DMGLyndhurst, OHA LARGE TREE WAS BLOWN OVER.

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, 1:44 PM EDTTornado WatchSPC9 hr

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 12.0 hours before the alert went out and 176 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 2014-07-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 787 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, Pittsburgh, PA at 12:00Z on 2014-07-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 86 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
787 J/kg
Mixed-layer CIN
-38 J/kg
Mixed-layer LCL
530 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
86 m²/s²
0-3 km storm-relative helicity
139 m²/s²
Significant tornado parameter
0.4
Supercell composite
2.1

Open this sounding in Storm Lab

The text

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

023 
WUUS51 KCLE 272357
SVRCLE
OHC035-085-093-280100-
/O.NEW.KCLE.SV.W.0101.140727T2357Z-140728T0100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
757 PM EDT SUN JUL 27 2014

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN LORAIN COUNTY IN NORTH CENTRAL OHIO
  CUYAHOGA COUNTY IN NORTHEAST OHIO
  LAKE COUNTY IN NORTHEAST OHIO

* UNTIL 900 PM EDT

* AT 756 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 24 MILES NORTH OF AVON LAKE TO
  10 MILES NORTHWEST OF AVON LAKE TO VERMILION...AND MOVING EAST AT
  30 MPH.

* LOCATIONS IMPACTED INCLUDE...
  LORAIN...
  ELYRIA...
  CLEVELAND...
  PAINESVILLE...
  AMHERST...
  AVON LAKE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4172 8100 4171 8110 4164 8111 4164 8130
      4157 8130 4157 8139 4144 8137 4135 8140
      4135 8235 4144 8237 4144 8227 4152 8203
      4149 8188 4150 8175 4177 8129 4185 8100
TIME...MOT...LOC 2357Z 273DEG 27KT 4183 8193 4161 8211
          4146 8236

$$

LAPLANTE
1 follow-up statement
434 
WWUS51 KCLE 280053
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
853 PM EDT SUN JUL 27 2014

OHC035-085-093-280103-
/O.EXP.KCLE.SV.W.0101.000000T0000Z-140728T0100Z/
CUYAHOGA OH-LORAIN OH-LAKE OH-
853 PM EDT SUN JUL 27 2014

...THE SEVERE THUNDERSTORM WARNING FOR LAKE...NORTHERN LORAIN AND
CUYAHOGA COUNTIES WILL EXPIRE AT 900 PM EDT...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EDT SUNDAY EVENING FOR
NORTHEASTERN OHIO AND NORTHWEST PENNSYLVANIA.

LAT...LON 4172 8100 4171 8110 4164 8111 4164 8130
      4157 8130 4157 8139 4144 8137 4135 8140
      4135 8235 4144 8237 4144 8227 4152 8203
      4149 8188 4150 8175 4177 8129 4185 8100
TIME...MOT...LOC 0053Z 273DEG 27KT 4181 8137 4159 8155
          4144 8180

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 27, 1:26 PM EDTSevere Thunderstorm WarningCLEMarion, Morrow64 min
Jul 27, 2:06 PM EDTSevere Thunderstorm WarningCLEKnox, Morrow54 min
Jul 27, 4:20 PM EDTAreal Flood AdvisoryCLECuyahoga, Geauga, Lake3 hr
Jul 27, 5:04 PM EDTFlash Flood WarningCLECuyahoga, Geauga4 hr
Jul 27, 5:42 PM EDTSpecial Marine WarningCLE2 hr
Jul 27, 7:08 PM EDTFlash Flood WatchCLEAshtabula, Cuyahoga, Geauga, Lake, Trumbull17 hr
Jul 27, 7:13 PM EDTSpecial Marine WarningCLE77 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2014Every severe thunderstorm warning in 2014

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.