Alert archive / Ohio / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 290, NWS Cleveland, OH

September 25, 2011Ashtabula County, Trumbull County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Sep 25, 2011, 5:39 PM EDT for Ashtabula County, Trumbull County, Ohio. It was in force for 51 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
Sep 25, 2011, 5:39 PM EDT (21:39 UTC)
Expired
Sep 25, 2011, 6:30 PM EDT
In force
51 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon

Counties Ashtabula County, OH, Trumbull County, OH

The radar

The Cleveland radar (KCLE), 94 km from the middle of the area, began a volume at 21:42 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
Sep 25, 5:45 PM EDTHAIL 13 W Orwell, OH

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, 9.7 hours before the alert went out and 150 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 2011-09-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 496 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 2011-09-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 90 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
496 J/kg
Mixed-layer CIN
-26 J/kg
Mixed-layer LCL
741 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
90 m²/s²
0-3 km storm-relative helicity
151 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

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

193 
WUUS51 KCLE 252139
SVRCLE
OHC007-155-252230-
/O.NEW.KCLE.SV.W.0290.110925T2139Z-110925T2230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
539 PM EDT SUN SEP 25 2011

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ASHTABULA COUNTY IN NORTHEAST OHIO
  NORTHWESTERN TRUMBULL COUNTY IN NORTHEAST OHIO

* UNTIL 630 PM EDT

* AT 531 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
  ORWELL...AND MOVING NORTHEAST AT 20 MPH.

* LOCATIONS IMPACTED INCLUDE...
  JEFFERSON...
  ORWELL...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEEK SHELTER FROM THIS STORM 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 4169 8052 4143 8096 4152 8101 4176 8100
      4187 8069
TIME...MOT...LOC 2139Z 220DEG 18KT 4153 8089

$$

KOSARIK
2 follow-up statements
222 
WWUS51 KCLE 252156
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
556 PM EDT SUN SEP 25 2011

OHC155-252206-
/O.CAN.KCLE.SV.W.0290.000000T0000Z-110925T2230Z/
TRUMBULL OH-
556 PM EDT SUN SEP 25 2011

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN TRUMBULL COUNTY
IS CANCELLED...

LAT...LON 4187 8069 4169 8052 4152 8081 4152 8100
      4176 8100
TIME...MOT...LOC 2156Z 208DEG 16KT 4160 8088

$$

OHC007-252230-
/O.CON.KCLE.SV.W.0290.000000T0000Z-110925T2230Z/
ASHTABULA OH-
556 PM EDT SUN SEP 25 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EDT
FOR CENTRAL ASHTABULA COUNTY...

AT 553 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
NEAR ORWELL...OR 12 MILES SOUTHWEST OF JEFFERSON...MOVING NORTHEAST
AT 20 MPH.

LOCATIONS NEAR THE PATH OF THE SEVERE THUNDERSTORM INCLUDE...ROAMING
SHORES...ROCK CREEK...ROAMING SHORES AND JEFFERSON.

LAT...LON 4187 8069 4169 8052 4152 8081 4152 8100
      4176 8100
TIME...MOT...LOC 2156Z 208DEG 16KT 4160 8088

$$

KOSARIK
013 
WWUS51 KCLE 252233
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
633 PM EDT SUN SEP 25 2011

OHC007-252241-
/O.EXP.KCLE.SV.W.0290.000000T0000Z-110925T2230Z/
ASHTABULA OH-
633 PM EDT SUN SEP 25 2011

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL ASHTABULA COUNTY 
EXPIRED AT 630 PM...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED. THE STORM WAS 
BETWEEN ROCK CREEK AND JEFFERSON MOVING NORTHEAST AT 20 MPH. SEVERE 
WEATHER IS NO LONGER A THREAT FROM THIS STORM. 

LAT...LON 4187 8069 4169 8052 4152 8081 4152 8100
      4176 8100
TIME...MOT...LOC 2156Z 208DEG 16KT 4160 8088

$$

KOSARIK

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 25, 4:21 PM EDTSpecial Marine WarningCLE24 min
Sep 25, 4:45 PM EDTSpecial Marine WarningCLE2 hr

Nearby

Severe Thunderstorm Warnings in Ohio, 2011Every severe thunderstorm warning in 2011

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.