Alert archive / Ohio / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 230, NWS Cleveland, OH

August 1, 2011Wyandot County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Aug 1, 2011, 3:09 PM EDT for Wyandot County, Ohio. It was in force for 66 min. 5 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: Aug 1, 2011, 3:09 PM EDT (19:09 UTC)
Expired: Aug 1, 2011, 4:15 PM EDT
In force: 66 min
Issued by: NWS Cleveland, OH
Area: Storm-based polygon

County Wyandot County, OH

The radar

The Cleveland radar (KCLE), 141 km from the middle of the area, began a volume at 19:10 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

Time	Report	Where
Aug 1, 3:30 PM EDT	HAIL 1.75	Upper Sandusky, OH
Aug 1, 3:30 PM EDT	HAIL 2.75	Upper Sandusky, OH
Aug 1, 3:33 PM EDT	HAIL 1.75	5 E Upper Sandusky, OH
Aug 1, 3:40 PM EDT	HAIL 1.25	S Upper Sandusky, OH
Aug 1, 3:45 PM EDT	HAIL 1.75	Upper Sandusky, 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.

Issued	Product	Office	Lasted
Aug 1, 1:19 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 7.2 hours before the alert went out and 161 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: 117 J/kg
Mixed-layer CIN: -121 J/kg
Mixed-layer LCL: 1525 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 8 m²/s²
0-3 km storm-relative helicity: 82 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

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

994 
WUUS51 KCLE 011909
SVRCLE
OHC175-012015-
/O.NEW.KCLE.SV.W.0230.110801T1909Z-110801T2015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
309 PM EDT MON AUG 1 2011

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WYANDOT COUNTY IN NORTHWEST OHIO

* UNTIL 415 PM EDT

* AT 301 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 10
  MILES NORTHWEST OF SYCAMORE...AND MOVING SOUTH AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  SYCAMORE...
  UPPER SANDUSKY...
  MARSEILLES...

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 4091 8348 4095 8348 4095 8346 4099 8346
      4099 8311 4071 8311 4070 8311 4070 8330
      4069 8331 4069 8349 4090 8352
TIME...MOT...LOC 1909Z 356DEG 23KT 4098 8332

$$

LAPLANTE

3 follow-up statements

907 
WWUS51 KCLE 011932
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
332 PM EDT MON AUG 1 2011

OHC175-012015-
/O.CON.KCLE.SV.W.0230.000000T0000Z-110801T2015Z/
WYANDOT OH-
332 PM EDT MON AUG 1 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM EDT
FOR WYANDOT COUNTY...

AT 328 PM EDT...TRAINED WEATHER SPOTTERS REPORTED A SEVERE 
THUNDERSTORM PRODUCING DESTRUCTIVE GOLF BALL SIZE HAIL. THIS STORM 
WAS LOCATED NEAR UPPER SANDUSKY...MOVING SOUTHEAST AT 30 MPH.

LOCATIONS NEAR THE PATH OF THE SEVERE THUNDERSTORM INCLUDE...HARPSTER
AND MARSEILLES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT MONDAY
EVENING FOR NORTHERN OHIO.

&&

LAT...LON 4090 8345 4096 8340 4095 8321 4070 8311
      4070 8330 4069 8331 4069 8345 4070 8349
TIME...MOT...LOC 1932Z 337DEG 27KT 4084 8331

$$

LAPLANTE

489 
WWUS51 KCLE 011938
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
338 PM EDT MON AUG 1 2011

OHC175-012015-
/O.CON.KCLE.SV.W.0230.000000T0000Z-110801T2015Z/
WYANDOT OH-
338 PM EDT MON AUG 1 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM EDT
FOR WYANDOT COUNTY...

AT 330 PM EDT...TRAINED WEATHER SPOTTERS REPORTED A SEVERE 
THUNDERSTORM PRODUCING LARGE DAMAGING BASEBALL SIZE HAIL. THIS STORM 
WAS LOCATED NEAR UPPER SANDUSKY...MOVING SOUTHEAST AT 30 MPH.

LOCATIONS NEAR THE PATH OF THE SEVERE THUNDERSTORM INCLUDE...HARPSTER
AND MARSEILLES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM HAS A HISTORY OF PRODUCING LARGE DAMAGING HAIL. THIS IS AN
EXTREMELY DANGEROUS SITUATION. SEEK SHELTER NOW INSIDE A STURDY
STRUCTURE AND STAY AWAY FROM WINDOWS!

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT MONDAY
EVENING FOR NORTHERN OHIO.

&&

LAT...LON 4090 8345 4096 8340 4095 8321 4070 8311
      4070 8330 4069 8331 4069 8345 4070 8349
TIME...MOT...LOC 1938Z 337DEG 27KT 4080 8329

$$

LOMBARDY

247 
WWUS51 KCLE 011956
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
356 PM EDT MON AUG 1 2011

OHC175-012015-
/O.CON.KCLE.SV.W.0230.000000T0000Z-110801T2015Z/
WYANDOT OH-
356 PM EDT MON AUG 1 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM EDT
FOR SOUTHERN WYANDOT COUNTY...

AT 348 PM EDT...A SEVERE THUNDERSTORM WAS REPORTED CAPABLE OF
PRODUCING LARGE DAMAGING BASEBALL SIZE HAIL. THIS STORM WAS LOCATED
NEAR HARPSTER...OR 7 MILES SOUTH OF UPPER SANDUSKY...MOVING SOUTHEAST
AT 30 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM HAS A HISTORY OF PRODUCING DESTRUCTIVE WINDS AND LARGE
DAMAGING HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY
AWAY FROM WINDOWS!

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT MONDAY
EVENING FOR NORTHERN OHIO.

&&

LAT...LON 4081 8347 4086 8334 4088 8318 4070 8311
      4070 8330 4069 8331 4069 8345 4070 8349
TIME...MOT...LOC 1956Z 337DEG 27KT 4067 8322

$$

LOMBARDY

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 1, 9:06 AM EDT	Special Marine Warning	CLE		84 min
Aug 1, 9:43 AM EDT	Severe Thunderstorm Warning	CLE	Lake	47 min
Aug 1, 10:10 AM EDT	Severe Thunderstorm Warning	CLE	Geauga	36 min
Aug 1, 10:54 AM EDT	Areal Flood Advisory	CLE	Lake	2 hr
Aug 1, 10:54 AM EDT	Special Marine Warning	CLE		96 min
Aug 1, 11:12 AM EDT	Severe Thunderstorm Warning	CLE	Cuyahoga	63 min
Aug 1, 12:13 PM EDT	Severe Thunderstorm Warning	CLE	Cuyahoga, Geauga	62 min
Aug 1, 12:16 PM EDT	Areal Flood Advisory	CLE	Cuyahoga	3 hr
Aug 1, 12:44 PM EDT	Severe Thunderstorm Warning	CLE	Portage	61 min
Aug 1, 12:51 PM EDT	Special Marine Warning	CLE		84 min
Aug 1, 1:04 PM EDT	Severe Thunderstorm Warning	CLE	Geauga, Lake	56 min
Aug 1, 1:19 PM EDT	Severe Thunderstorm Warning	CLE	Lucas, Ottawa, Wood	56 min
Aug 1, 1:32 PM EDT	Severe Thunderstorm Warning	CLE	Erie, Sandusky	58 min
Aug 1, 1:42 PM EDT	Severe Thunderstorm Warning	CLE	Wood	63 min
Aug 1, 1:53 PM EDT	Tornado Warning	CLE	Sandusky, Wood	37 min
Aug 1, 2:01 PM EDT	Special Marine Warning	CLE		44 min
Aug 1, 2:10 PM EDT	Severe Thunderstorm Warning	CLE	Lorain	54 min
Aug 1, 2:16 PM EDT	Severe Thunderstorm Warning	CLE	Medina, Portage, Summit, Wayne	44 min
Aug 1, 2:24 PM EDT	Severe Thunderstorm Warning	CLE	Seneca	66 min
Aug 1, 2:31 PM EDT	Severe Thunderstorm Warning	CLE	Medina	44 min
Aug 1, 2:37 PM EDT	Areal Flood Advisory	CLE	Ottawa, Sandusky, Seneca, Wood	4 hr
Aug 1, 2:57 PM EDT	Severe Thunderstorm Warning	CLE	Medina, Stark, Summit, Wayne	63 min
Aug 1, 4:04 PM EDT	Severe Thunderstorm Warning	CLE	Marion	56 min
Aug 1, 4:15 PM EDT	Severe Thunderstorm Warning	CLE	Wyandot	30 min

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.