Alert archive / Ohio / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 7, NWS Cleveland, OH

February 24, 20174 counties in Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Feb 24, 2017, 8:07 PM EST for 4 counties in Ohio. It was in force for 23 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
Feb 24, 2017, 8:07 PM EST (01:07 UTC)
Expired
Feb 24, 2017, 8:30 PM EST
In force
23 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon
Hail
1.25 in
Wind
70.0 mph

Counties Crawford County, OH, Huron County, OH, Richland County, OH, Seneca County, OH

The radar

The Cleveland radar (KCLE), 86 km from the middle of the area, began a volume at 01:11 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.

IssuedProductOfficeLasted
Feb 24, 6:36 PM ESTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 00:00Z, 1.1 hours before the alert went out and 188 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, Detroit, MI at 00:00Z on 2017-02-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 568 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, Detroit, MI at 00:00Z on 2017-02-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 301 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
568 J/kg
Mixed-layer CIN
-41 J/kg
Mixed-layer LCL
1066 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
301 m²/s²
0-3 km storm-relative helicity
394 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.2

Open this sounding in Storm Lab

The text

As transmitted.

119 
WUUS51 KCLE 250107
SVRCLE
OHC033-077-139-147-250130-
/O.NEW.KCLE.SV.W.0007.170225T0107Z-170225T0130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Cleveland OH
807 PM EST FRI FEB 24 2017

The National Weather Service in Cleveland has issued a

* Severe Thunderstorm Warning for...
  Huron County in north central Ohio...
  Northwestern Richland County in north central Ohio...
  Southeastern Seneca County in northwestern Ohio...
  Northeastern Crawford County in north central Ohio...

* Until 830 PM EST

* At 806 PM EST, a severe thunderstorm was located over Chatfield, or
  12 miles north of Bucyrus, moving northeast at 45 mph.

  HAZARD...70 mph wind gusts and half dollar size hail. 

  SOURCE...Radar indicated. 

  IMPACT...Hail damage to vehicles is expected. Expect considerable 
           tree damage. Wind damage is also likely to mobile homes, 
           roofs, and outbuildings. 

* Locations impacted include...
  Norwalk, Willard, Plymouth, New Washington, Bloomville, Chatfield,
  Greenwich, Monroeville, Attica, Shiloh, North Fairfield, Tiro and
  Sulpher Springs.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4108 8308 4129 8266 4129 8263 4101 8243
      4084 8295
TIME...MOT...LOC 0106Z 237DEG 37KT 4099 8297 

HAIL...1.25IN
WIND...70MPH
 
$$

Mottice
1 follow-up statement
365 
WWUS51 KCLE 250119
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
819 PM EST FRI FEB 24 2017

OHC033-077-139-147-250130-
/O.CON.KCLE.SV.W.0007.000000T0000Z-170225T0130Z/
Huron OH-Richland OH-Seneca OH-Crawford OH-
819 PM EST FRI FEB 24 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM EST
FOR WESTERN HURON...NORTHWESTERN RICHLAND...SOUTHEASTERN SENECA AND
NORTHEASTERN CRAWFORD COUNTIES...

At 818 PM EST, a severe thunderstorm was located near New Washington,
or 17 miles east of Tiffin, moving northeast at 45 mph.

HAZARD...70 mph wind gusts and quarter size hail. 

SOURCE...Radar indicated. 

IMPACT...Hail damage to vehicles is expected. Expect considerable 
         tree damage. Wind damage is also likely to mobile homes, 
         roofs, and outbuildings. 

Locations impacted include...
Norwalk, Willard, Plymouth, New Washington, Greenwich, Monroeville,
Attica and North Fairfield.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4111 8301 4129 8266 4129 8263 4104 8245
      4092 8286
TIME...MOT...LOC 0118Z 237DEG 37KT 4105 8285 

HAIL...1.00IN
WIND...70MPH
 
$$

Mottice

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 24, 7:13 PM ESTSpecial Marine WarningCLE62 min
Feb 24, 7:18 PM ESTSpecial Weather StatementCLEErie42 min
Feb 24, 7:32 PM ESTSevere Thunderstorm WarningCLEErie, Huron, Ottawa, Sandusky, Seneca28 min
Feb 24, 7:54 PM ESTSevere Thunderstorm WarningCLECrawford, Seneca, Wyandot36 min
Feb 24, 8:12 PM ESTSpecial Marine WarningCLE93 min
Feb 24, 8:30 PM ESTSevere Thunderstorm WarningCLEErie, Huron29 min
Feb 24, 8:51 PM ESTSevere Thunderstorm WarningCLEErie, Huron, Lorain24 min
Feb 24, 9:07 PM ESTSevere Thunderstorm WarningCLECrawford, Marion, Morrow, Richland, Wyandot53 min
Feb 24, 9:47 PM ESTSpecial Marine WarningCLE118 min
Feb 24, 9:51 PM ESTSmall Craft AdvisoryCLE41 hr
Feb 24, 10:00 PM ESTSpecial Weather StatementCLEAshland, Huron, Richland, Wayne60 min
Feb 24, 10:09 PM ESTSpecial Weather StatementCLEHancock, Lucas, Ottawa, Sandusky, Seneca, Wood66 min
Feb 24, 10:35 PM ESTSpecial Weather StatementCLECuyahoga, Medina, Summit55 min
Feb 25, 12:12 AM ESTSpecial Weather StatementCLEMahoning, Portage, Stark, Summit, Trumbull48 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2017Every severe thunderstorm warning in 2017

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.