Alert archive / Ohio / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 117, NWS Cleveland, OH

October 15, 2021Erie County, Ottawa County, Sandusky County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Oct 15, 2021, 3:47 PM EDT for Erie County, Ottawa County, Sandusky County, Ohio. It was in force for 27 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
Oct 15, 2021, 3:47 PM EDT (19:47 UTC)
Expired
Oct 15, 2021, 4:14 PM EDT
In force
27 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Erie County, OH, Ottawa County, OH, Sandusky County, OH

The radar

The Cleveland radar (KCLE), 78 km from the middle of the area, began a volume at 19:49 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 nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 7.8 hours before the alert went out and 138 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 12:00Z on 2021-10-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2021-10-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 90 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1307 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
90 m²/s²
0-3 km storm-relative helicity
116 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

223 
WUUS51 KCLE 151947
SVRCLE
OHC043-123-143-152030-
/O.NEW.KCLE.SV.W.0117.211015T1947Z-211015T2030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Cleveland OH
347 PM EDT Fri Oct 15 2021

The National Weather Service in Cleveland has issued a

* Severe Thunderstorm Warning for...
  Ottawa County in northwestern Ohio...
  Erie County in north central Ohio...
  Eastern Sandusky County in northwestern Ohio...

* Until 430 PM EDT.

* At 347 PM EDT, a severe thunderstorm was located near Castalia, or
  near Port Clinton, moving northeast at 35 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to trees and power lines.

* Locations impacted include...
  Sandusky, Port Clinton, Kelleys Island, Put-In-Bay, Clyde,
  Castalia, Catawba Island, Marblehead, Bay View, Bloomingville,
  Sandusky South, Fairview Lanes, Whites Landing and Vickery.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4171 8274 4166 8272 4167 8266 4165 8263
      4159 8262 4153 8265 4145 8256 4143 8248
      4137 8248 4129 8296 4152 8311 4161 8302
      4157 8296 4156 8291 4161 8290 4164 8293
      4176 8286
TIME...MOT...LOC 1947Z 243DEG 30KT 4142 8289 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Jaszka
3 follow-up statements
830 
WWUS51 KCLE 151948
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
348 PM EDT Fri Oct 15 2021

OHC043-123-143-152030-
/O.CON.KCLE.SV.W.0117.000000T0000Z-211015T2030Z/
Ottawa OH-Erie OH-Sandusky OH-
348 PM EDT Fri Oct 15 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM EDT
FOR OTTAWA...ERIE AND EASTERN SANDUSKY COUNTIES...

At 348 PM EDT, a severe thunderstorm was located near Castalia, or
near Port Clinton, moving northeast at 35 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to trees and power lines.

Locations impacted include...
Sandusky, Port Clinton, Kelleys Island, Put-In-Bay, Clyde, Castalia,
Catawba Island, Marblehead, Bay View, Bloomingville, Sandusky South,
Fairview Lanes, Whites Landing and Vickery.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4171 8274 4166 8272 4167 8266 4165 8263
      4159 8262 4153 8265 4145 8256 4143 8248
      4137 8248 4129 8296 4152 8311 4161 8302
      4157 8296 4156 8291 4161 8290 4164 8293
      4176 8286
TIME...MOT...LOC 1948Z 243DEG 30KT 4143 8288 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Jaszka
996 
WWUS51 KCLE 152000
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
400 PM EDT Fri Oct 15 2021

OHC143-152010-
/O.CAN.KCLE.SV.W.0117.000000T0000Z-211015T2030Z/
Sandusky OH-
400 PM EDT Fri Oct 15 2021

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN SANDUSKY COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 4171 8274 4166 8272 4167 8266 4165 8263
      4159 8262 4153 8265 4145 8256 4143 8248
      4137 8248 4132 8284 4144 8285 4144 8290
      4157 8296 4156 8293 4160 8290 4164 8293
      4176 8286
TIME...MOT...LOC 2000Z 238DEG 38KT 4154 8273 

$$

OHC043-123-152030-
/O.CON.KCLE.SV.W.0117.000000T0000Z-211015T2030Z/
Ottawa OH-Erie OH-
400 PM EDT Fri Oct 15 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM EDT
FOR OTTAWA AND ERIE COUNTIES...

At 400 PM EDT, a severe thunderstorm was located near Kelleys Island,
moving northeast at 45 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to trees and power lines.

Locations impacted include...
Sandusky, Port Clinton, Kelleys Island, Put-In-Bay, Castalia, Catawba
Island, Marblehead, Bay View, Bloomingville, Sandusky South and
Fairview Lanes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4171 8274 4166 8272 4167 8266 4165 8263
      4159 8262 4153 8265 4145 8256 4143 8248
      4137 8248 4132 8284 4144 8285 4144 8290
      4157 8296 4156 8293 4160 8290 4164 8293
      4176 8286
TIME...MOT...LOC 2000Z 238DEG 38KT 4154 8273 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Jaszka
353 
WWUS51 KCLE 152014
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
414 PM EDT Fri Oct 15 2021

OHC043-123-152024-
/O.CAN.KCLE.SV.W.0117.000000T0000Z-211015T2030Z/
Ottawa OH-Erie OH-
414 PM EDT Fri Oct 15 2021

...THE SEVERE THUNDERSTORM WARNING FOR OTTAWA AND ERIE COUNTIES IS
CANCELLED...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.

LAT...LON 4171 8274 4166 8272 4167 8266 4165 8263
      4159 8262 4153 8265 4145 8256 4143 8248
      4137 8248 4132 8284 4144 8285 4144 8290
      4157 8296 4156 8293 4160 8290 4164 8293
      4176 8286
TIME...MOT...LOC 2011Z 243DEG 30KT 4159 8259 

$$

Jaszka

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 15, 2:53 PM EDTSpecial Weather StatementCLELake52 min
Oct 15, 3:44 PM EDTSpecial Marine WarningCLE78 min
Oct 15, 3:55 PM EDTSmall Craft AdvisoryCLE72 hr
Oct 15, 4:15 PM EDTSpecial Marine WarningCLE2 hr
Oct 15, 5:59 PM EDTSpecial Marine WarningCLE91 min
Oct 15, 6:21 PM EDTSpecial Weather StatementCLESeneca39 min
Oct 15, 7:00 PM EDTSpecial Weather StatementCLEHuron45 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2021Every severe thunderstorm warning in 2021

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.