Alert archive / Ohio / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 40, NWS Cleveland, OH

May 12, 2011Geauga County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at May 12, 2011, 4:45 PM EDT for Geauga County, Ohio. It was in force for 45 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: May 12, 2011, 4:45 PM EDT (20:45 UTC)
Expired: May 12, 2011, 5:30 PM EDT
In force: 45 min
Issued by: NWS Cleveland, OH
Area: Storm-based polygon

County Geauga County, OH

The radar

The Cleveland radar (KCLE), 64 km from the middle of the area, began a volume at 20:45 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 12, 11:04 AM EDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 8.8 hours before the alert went out and 158 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1624 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 22 m²/s²
0-3 km storm-relative helicity: 44 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.

541 
WUUS51 KCLE 122045
SVRCLE
OHC055-122130-
/O.NEW.KCLE.SV.W.0040.110512T2045Z-110512T2130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
445 PM EDT THU MAY 12 2011

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  GEAUGA COUNTY IN NORTHEAST OHIO

* UNTIL 530 PM EDT

* AT 440 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
  STORM WAS LOCATED NEAR CHESTERLAND...AND MOVING EAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  BURTON...
  MIDDLEFIELD...

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 4172 8101 4143 8101 4142 8129 4152 8136
      4164 8115 4164 8111 4166 8111
TIME...MOT...LOC 2045Z 251DEG 21KT 4151 8121

$$

OUDEMAN

1 follow-up statement

699 
WWUS51 KCLE 122105
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
505 PM EDT THU MAY 12 2011

OHC055-122130-
/O.CON.KCLE.SV.W.0040.000000T0000Z-110512T2130Z/
GEAUGA OH-
505 PM EDT THU MAY 12 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EDT
FOR GEAUGA COUNTY...

AT 458 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 AQUILLA...OR 6 MILES SOUTHEAST OF CHARDON...MOVING EAST AT 25
MPH.

LOCATIONS NEAR THE PATH OF THE SEVERE THUNDERSTORM INCLUDE....

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 700 PM EDT
THURSDAY EVENING FOR NORTHERN OHIO AND NORTHWEST PENNSYLVANIA.

&&

LAT...LON 4172 8101 4143 8101 4142 8129 4152 8136
      4164 8115 4164 8111 4166 8111
TIME...MOT...LOC 2105Z 251DEG 21KT 4155 8106

$$
SCHULER

The office that day

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

Issued	Product	Office	Counties	Lasted
May 12, 5:11 AM EDT	Severe Thunderstorm Warning	CLE	Ashland, Richland	49 min
May 12, 6:03 AM EDT	Severe Thunderstorm Warning	CLE	Ashland, Holmes, Wayne	57 min
May 12, 7:02 AM EDT	Severe Thunderstorm Warning	CLE	Holmes	58 min
May 12, 8:23 AM EDT	Special Marine Warning	CLE		82 min
May 12, 2:50 PM EDT	Severe Thunderstorm Warning	CLE	Erie, Huron, Lorain	40 min
May 12, 3:33 PM EDT	Severe Thunderstorm Warning	CLE	Ashtabula, Geauga, Lake	42 min
May 12, 3:34 PM EDT	Severe Thunderstorm Warning	CLE	Crawford, Huron, Richland, Seneca	56 min
May 12, 3:44 PM EDT	Flash Flood Warning	CLE	Ashtabula, Geauga, Lake	3 hr
May 12, 3:50 PM EDT	Severe Thunderstorm Warning	CLE	Ashland, Medina, Wayne	55 min
May 12, 3:54 PM EDT	Severe Thunderstorm Warning	CLE	Erie, Huron	51 min
May 12, 3:56 PM EDT	Severe Thunderstorm Warning	CLE	Medina, Portage, Summit	64 min
May 12, 4:08 PM EDT	Severe Thunderstorm Warning	CLE	Cuyahoga, Medina, Summit	67 min
May 12, 4:11 PM EDT	Areal Flood Advisory	CLE	Ashland, Cuyahoga, Erie, Geauga, Huron, Lake and 5 more	10 hr
May 12, 4:14 PM EDT	Severe Thunderstorm Warning	CLE	Ashtabula, Geauga, Lake	46 min
May 12, 4:19 PM EDT	Severe Thunderstorm Warning	CLE	Trumbull	41 min
May 12, 4:26 PM EDT	Areal Flood Warning	CLE	Erie, Huron	3 hr
May 12, 4:39 PM EDT	Severe Thunderstorm Warning	CLE	Geauga, Portage, Trumbull	51 min
May 12, 4:58 PM EDT	Severe Thunderstorm Warning	CLE	Ashland, Medina, Wayne	47 min
May 12, 5:27 PM EDT	Areal Flood Advisory	CLE	Mahoning, Trumbull	9 hr
May 12, 5:29 PM EDT	River Flood Warning	CLE	Erie, Huron	7 hr
May 12, 5:43 PM EDT	Special Marine Warning	CLE		77 min
May 12, 5:58 PM EDT	Severe Thunderstorm Warning	CLE	Mahoning	47 min
May 12, 6:38 PM EDT	Areal Flood Advisory	CLE	Sandusky, Seneca	3 hr
May 12, 6:43 PM EDT	Areal Flood Warning	CLE	Geauga, Lake	4 hr

Nearby

Severe Thunderstorm Warnings in Ohio, 2011 Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.