Alert archive / Ohio / Special Weather Statements in 2020

Special Weather Statement, NWS Cleveland, OH

September 7, 2020Medina County, Portage County, Summit County, Ohio

NWS Cleveland, OH issued this special weather statement at Sep 7, 2020, 9:06 AM EDT for Medina County, Portage County, Summit County, Ohio. It was in force for 54 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
Sep 7, 2020, 9:06 AM EDT (13:06 UTC)
Expired
Sep 7, 2020, 10:00 AM EDT
In force
54 min
Issued by
NWS Cleveland, OH

Counties Medina County, OH, Portage County, OH, Summit County, OH

The radar

The Cleveland radar (KCLE), 40 km from the middle of the area, began a volume at 13:06 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

Pittsburgh, PA (KPIT), launched 12:00Z, 1.1 hours before the alert went out and 159 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 2020-09-07Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 12:00Z on 2020-09-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 213 square meters per square second.193958Sfc1 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
1916 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
213 m²/s²
0-3 km storm-relative helicity
237 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Cleveland, OH wrote its last area forecast discussion before this special weather statement went out at Sep 7, 7:21 AM EDT, 1 hour 45 minutes earlier.

Area forecast discussion, Sep 7, 7:21 AM EDT, 1 hour 45 minutes before
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      <div class="status" id="status">Temporary Notice</div>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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Hazardous weather outlook, Sep 7, 3:55 AM EDT, 5 hours 11 minutes before
Hazardous Weather Outlook
National Weather Service Cleveland OH
355 AM EDT Mon Sep 7 2020

OHZ003-006-008-017>019-027-028-036-080800-
Lucas-Wood-Sandusky-Hancock-Seneca-Huron-Wyandot-Crawford-Marion-
355 AM EDT Mon Sep 7 2020

This Hazardous Weather Outlook is for north central Ohio and
northwest Ohio.

.DAY ONE...Today and tonight.

Some thunderstorms may reach strong levels with wind gusts up to 40
mph possible, mainly through this morning.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Hazardous weather is not expected at this time.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures. Please relay
any information about observed severe weather to the NWS while
following all local, state, and CDC guidelines.

OHZ007-009>011-080800-
Ottawa-Erie-Lorain-Cuyahoga-
355 AM EDT Mon Sep 7 2020

This Hazardous Weather Outlook is for north central Ohio, northeast
Ohio and northwest Ohio.

.DAY ONE...Today and tonight.

There is a moderate risk of rip currents which could cause hazardous
swimming conditions, mainly through the morning and early afternoon
hours.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Hazardous weather is not expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

OHZ013-014-020>023-029>033-037-038-047-PAZ002-003-080800-
Geauga-Ashtabula Inland-Medina-Summit-Portage-Trumbull-Richland-
Ashland-Wayne-Stark-Mahoning-Morrow-Holmes-Knox-Southern Erie-
Crawford-
355 AM EDT Mon Sep 7 2020

This Hazardous Weather Outlook is for north central Ohio, northeast
Ohio and northwest Pennsylvania.

.DAY ONE...Today and tonight.

Thunderstorms will develop this afternoon across the area. Some
thunderstorms may reach strong to severe levels with the main threats
being damaging wind gusts, hail, and heavy rain.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Hazardous weather is not expected at this time.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures. Please relay
any information about observed severe weather to the NWS while
following all local, state, and CDC guidelines.

OHZ012-089-PAZ001-080800-
Lake-Ashtabula Lakeshore-Northern Erie-
355 AM EDT Mon Sep 7 2020

...BEACH HAZARDS STATEMENT IN EFFECT THROUGH THIS AFTERNOON...

This Hazardous Weather Outlook is for northeast Ohio and northwest
Pennsylvania.

.DAY ONE...Today and tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Beach Hazards Statement.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Hazardous weather is not expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

LEZ061-142>149-162>169-080800-
Lake Erie open waters from Ripley to Buffalo NY-
Lake Erie nearshore waters from Maumee Bay to Reno Beach OH-
Lake Erie nearshore waters from Reno Beach to The Islands OH-
Lake Erie nearshore waters from The Islands to Vermilion OH-
Lake Erie nearshore waters from Vermilion to Avon Point OH-
Lake Erie nearshore waters from Avon Point to Willowick OH-
Lake Erie nearshore waters from Willowick to Geneva-on-the Lake OH-
Lake Erie nearshore waters from Geneva-on-the-Lake to Conneaut OH-
Lake Erie nearshore waters from Conneaut OH to Ripley NY-
Lake Erie open waters from Maumee Bay to Reno Beach OH-
Lake Erie open waters from Reno Beach to The Islands OH-
Lake Erie open waters from The Islands to Vermilion OH-
Lake Erie open waters from Vermilion to Avon Point OH-
Lake Erie open waters from Avon Point to Willowick OH-
Lake Erie open waters from Willowick to Geneva-on-the-Lake OH-
Lake Erie open waters from Geneva-on-the-Lake to Conneaut OH-
Lake Erie open waters from Conneaut OH to Ripley NY-
355 AM EDT Mon Sep 7 2020

This Hazardous Weather Outlook is for central Lake Erie, eastern
Lake Erie and western Lake Erie.

.DAY ONE...Today and tonight.

South to southwest winds around 30 knots will continue across the
lake through the morning.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Hazardous weather is not expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Special weather statement, Sep 7, 6:39 AM EDT, 2 hours 27 minutes before
Special Weather Statement
National Weather Service Cleveland OH
639 AM EDT Mon Sep 7 2020

OHZ008-009-019-071130-
Huron-Erie-Sandusky-
639 AM EDT Mon Sep 7 2020

...A STRONG THUNDERSTORM WILL AFFECT NORTHERN HURON...ERIE AND
SOUTHEASTERN SANDUSKY COUNTIES...

At 638 AM EDT, a strong thunderstorm was located near Clyde, or 10
miles east of Fremont, moving east at 35 mph. Additional
thunderstorms were also located across the area.

Winds in excess of 40 mph and half inch hail are possible with this
storm. Locally heavy rainfall is also possible which may cause
ponding of water on roadways.

If outdoors, consider seeking shelter inside a building.

LAT...LON 4142 8301 4143 8296 4142 8292 4146 8281
      4144 8276 4145 8274 4144 8265 4138 8249
      4143 8236 4118 8235 4124 8284 4125 8284
      4126 8301
TIME...MOT...LOC 1038Z 272DEG 30KT 4134 8291
Special weather statement, Sep 7, 6:57 AM EDT, 2 hours 9 minutes before
Special Weather Statement
National Weather Service Cleveland OH
657 AM EDT Mon Sep 7 2020

OHZ009>011-020-021-071130-
Summit-Erie-Medina-Lorain-Cuyahoga-
657 AM EDT Mon Sep 7 2020

...A STRONG THUNDERSTORM WILL AFFECT ERIE...CUYAHOGA...NORTHEASTERN
MEDINA...NORTHERN SUMMIT AND LORAIN COUNTIES...

At 656 AM EDT, a strong thunderstorm was located near Amherst, or
near Western Vermilion, moving east at 65 mph. Additional storms may
merge and cause them to intensify.

Winds in excess of 40 mph and pea size hail are possible with this
storm. If outdoors, consider seeking shelter inside a building.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

LAT...LON 4157 8148 4156 8139 4145 8139 4142 8137
      4142 8139 4134 8141 4125 8140 4124 8234
      4128 8235 4129 8241 4141 8241 4143 8236
      4143 8227 4152 8201 4148 8189 4149 8174
      4163 8149
TIME...MOT...LOC 1056Z 267DEG 58KT 4134 8229
Special weather statement, Sep 7, 7:52 AM EDT, 1 hour 14 minutes before
Special Weather Statement
National Weather Service Cleveland OH
752 AM EDT Mon Sep 7 2020

OHZ008>013-018>022-089-071315-
Summit-Seneca-Geauga-Huron-Portage-Erie-Lake-Medina-Ashtabula
Lakeshore-Sandusky-Lorain-Cuyahoga-
752 AM EDT Mon Sep 7 2020

...LARGE AREA OF HEAVY RAINFALL WILL AFFECT NORTHERN HURON...
NORTHERN PORTAGE...ERIE...NORTHERN SENECA...GEAUGA...CUYAHOGA...
NORTHEASTERN MEDINA...LAKE...SOUTHEASTERN SANDUSKY...NORTHERN SUMMIT
AND LORAIN COUNTIES...

At 749 AM EDT, radar indicated a large area of heavy rainfall over
most central lakeshore counties. Movement was east at 20 mph.

Torrential rainfall is occurring with these storms, and may cause
localized flooding. Do not drive your vehicle through flooded
roadways. Winds up to 40 mph are also possible with these storms.

Locations that may be impacted by heavy rainfall include...
Cleveland, Lorain, Elyria, Painesville, Norwalk, Fremont, Willowick,
Western Vermilion, Vermilion, Chardon, Fairport Harbor, Parma,
Lakewood, Euclid, Mentor, Cleveland Heights, Strongsville,
Brunswick, Westlake and North Royalton.

LAT...LON 4178 8098 4177 8100 4129 8100 4125 8176
      4114 8278 4115 8332 4131 8323 4141 8258
      4138 8248 4152 8202 4148 8189 4150 8171
      4172 8137 4186 8100 4185 8100
TIME...MOT...LOC 1149Z 269DEG 17KT 4149 8098 4130 8141 4125 8231 4116
8314
Special weather statement, Sep 7, 9:06 AM EDT, 0 minutes before
Special Weather Statement
National Weather Service Cleveland OH
906 AM EDT Mon Sep 7 2020

OHZ020>022-031-032-071400-
Summit-Portage-Stark-Medina-Wayne-
906 AM EDT Mon Sep 7 2020

...LARGE AREA OF HEAVY RAINFALL WILL AFFECT PORTAGE...
MEDINA...NORTHERN STARK...SUMMIT AND NORTHERN WAYNE COUNTIES...

At 903 AM EDT, a large area of heavy rainfall will move across the
area through 10 am. The rain is moving east at 50 mph.

Winds in excess of 30 mph and pea size hail are possible with this
storm.

Torrential rainfall is also occurring with these storm, and may
cause localized flooding. Do not drive your vehicle through flooded
roadways.

LAT...LON 4088 8212 4099 8213 4100 8217 4109 8217
      4114 8210 4114 8208 4116 8207 4120 8202
      4120 8198 4123 8197 4129 8100 4099 8100
      4099 8109 4090 8109 4083 8140
TIME...MOT...LOC 1303Z 274DEG 46KT 4105 8191

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 7, 5:00 AM EDTSpecial Marine WarningCLE90 min
Sep 7, 6:39 AM EDTSpecial Weather StatementCLEErie51 min
Sep 7, 6:57 AM EDTSpecial Weather StatementCLECuyahoga, Lorain33 min
Sep 7, 7:52 AM EDTSpecial Weather StatementCLECuyahoga, Erie, Geauga, Lake, Lorain83 min
Sep 7, 7:58 AM EDTAreal Flood AdvisoryCLECuyahoga, Erie, Geauga, Huron, Lake, Lorain and 5 more4 hr
Sep 7, 8:26 AM EDTFlash Flood WarningCLECuyahoga, Erie, Geauga, Huron, Lake, Lorain and 5 more6 hr
Sep 7, 10:26 AM EDTAreal Flood AdvisoryCLEAshtabula, Geauga, Portage, Trumbull4 hr
Sep 7, 11:26 AM EDTAreal Flood AdvisoryCLELorain, Medina, Portage, Summit, Trumbull5 hr
Sep 7, 11:33 AM EDTRiver Flood WarningCLECuyahoga17 hr
Sep 7, 12:39 PM EDTAreal Flood AdvisoryCLEMahoning, Portage, Stark, Summit3 hr
Sep 7, 12:42 PM EDTAreal Flood AdvisoryCLEErie, Huron, Sandusky, Seneca3 hr
Sep 7, 1:12 PM EDTFlash Flood WarningCLEMahoning3 hr
Sep 7, 1:50 PM EDTFlash Flood WarningCLELorain, Medina, Portage, Summit4 hr
Sep 7, 1:59 PM EDTFlash Flood Warning Considerable damage threatCLECuyahoga, Geauga, Lorain, Medina, Summit4 hr
Sep 7, 2:05 PM EDTSpecial Weather StatementCLEKnox25 min
Sep 7, 2:40 PM EDTSpecial Weather StatementCLEHolmes35 min
Sep 7, 3:12 PM EDTSpecial Weather StatementCLECrawford33 min
Sep 7, 3:45 PM EDTSpecial Weather StatementCLEAshland, Richland30 min
Sep 7, 4:13 PM EDTAreal Flood AdvisoryCLEMahoning3 hr
Sep 7, 4:14 PM EDTSpecial Weather StatementCLEMarion31 min
Sep 7, 4:22 PM EDTSpecial Weather StatementCLEHolmes, Wayne38 min
Sep 7, 4:29 PM EDTTornado WarningCLEAshland, Knox, Richland31 min
Sep 7, 4:54 PM EDTAreal Flood AdvisoryCLEAshland, Richland3 hr
Sep 7, 4:57 PM EDTSevere Thunderstorm WarningCLEAshland, Holmes, Knox48 min
Sep 7, 5:16 PM EDTSevere Thunderstorm WarningCLEKnox, Morrow59 min
Sep 7, 5:20 PM EDTRiver Flood WarningCLELake8 hr
Sep 7, 5:41 PM EDTAreal Flood AdvisoryCLEMedina, Summit2 hr
Sep 7, 5:44 PM EDTSevere Thunderstorm WarningCLEHolmes31 min
Sep 7, 5:48 PM EDTTornado WarningCLEKnox30 min

Nearby

Special Weather Statements in Ohio, 2020Every special weather statement in 2020

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.