Alert archive / Ohio / Areal Flood Advisories in 2021

Areal Flood Advisory 93, NWS Cleveland, OH

August 25, 20214 counties in Ohio

NWS Cleveland, OH issued this areal flood advisory at Aug 25, 2021, 10:27 AM EDT for 4 counties in Ohio. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued: Aug 25, 2021, 10:27 AM EDT (14:27 UTC)
Expired: Aug 25, 2021, 1:21 PM EDT
In force: 3 hr
Issued by: NWS Cleveland, OH
Area: Storm-based polygon

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

The radar

The Cleveland radar (KCLE), 104 km from the middle of the area, began a volume at 14:29 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, 2.5 hours before the alert went out and 148 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: 119 J/kg
Mixed-layer CIN: -94 J/kg
Mixed-layer LCL: 1045 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 73 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

What forecasters said that day

The local office's own words before this areal flood advisory 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 areal flood advisory went out at Aug 25, 9:22 AM EDT, 1 hour 5 minutes earlier.

Area forecast discussion, Aug 25, 9:22 AM EDT, 1 hour 5 minutes before

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Hazardous weather outlook, Aug 25, 3:23 AM EDT, 7 hours 4 minutes before

Hazardous Weather Outlook
National Weather Service Cleveland OH
323 AM EDT Wed Aug 25 2021

OHZ003-006-017-260730-
Lucas-Wood-Hancock-
323 AM EDT Wed Aug 25 2021

...HEAT ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 9 PM EDT THIS
EVENING...

This Hazardous Weather Outlook is for northwest Ohio.

.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.

   Heat Advisory.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Heat indices in the 90s will be possible during the afternoon hours
Thursday through Saturday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

OHZ007>014-018>023-027>033-036>038-047-089-PAZ001>003-260730-
Ottawa-Sandusky-Erie-Lorain-Cuyahoga-Lake-Geauga-Ashtabula Inland-
Seneca-Huron-Medina-Summit-Portage-Trumbull-Wyandot-Crawford-
Richland-Ashland-Wayne-Stark-Mahoning-Marion-Morrow-Holmes-Knox-
Ashtabula Lakeshore-Northern Erie-Southern Erie-
323 AM EDT Wed Aug 25 2021

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

.DAY ONE...Today and tonight.

Heat indices in the mid to upper 90s to near 100 will be possible
Wednesday afternoon, especially for northern Ohio.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Heat indices in the 90s will be possible during the afternoon hours
Thursday through Saturday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

LEZ061-142>149-162>169-260730-
Ripley to Buffalo NY extending from 5NM off shoreline to US-
Canadian border-Maumee Bay to Reno Beach OH-
Reno Beach to The Islands OH-The Islands to Vermilion OH-
Vermilion to Avon Point OH-Avon Point to Willowick OH-
Willowick to Geneva-on-the Lake OH-Geneva-on-the-Lake to Conneaut OH-
Conneaut OH to Ripley NY-
Detroit River Lt. to Maumee Bay OH to Reno Beach OH beyond 5NM
offshoreline to US-Canadian border-
Reno Beach to The Islands OH beyond 5NM off shoreline to US-
Canadian border-
The Islands to Vermilion OH beyond 5 nm off shoreline to US-
Canadian border-
Vermilion to Avon Point OH beyond 5 nm off shoreline to US-
Canadian border-
Avon Point to Willowick OH beyond 5 nm off shoreline to US-
Canadian border-Willowick to Geneva-on-the-
Lake OH beyond 5NM off shoreline to US-Canadian border-Geneva-on-the-
Lake to Conneaut OH beyond 5 nm off shoreline to US-Canadian border-
Conneaut OH to Ripley NY beyond 5 nm off shoreline to US-
Canadian border-
323 AM EDT Wed Aug 25 2021

This Hazardous Weather Outlook is for Lake Erie.

.DAY ONE...Today and tonight.

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Special weather statement, Aug 25, 4:33 AM EDT, 5 hours 54 minutes before

Special Weather Statement
National Weather Service Cleveland OH
433 AM EDT Wed Aug 25 2021

OHZ003-006>008-250915-
Wood OH-Ottawa OH-Sandusky OH-Lucas OH-
433 AM EDT Wed Aug 25 2021

...Strong thunderstorms will impact portions of Ottawa, Sandusky,
northeastern Wood and Lucas Counties through 515 AM EDT...

At 432 AM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Waterville to near Gibsonburg. Movement
was northeast at 25 mph.

HAZARD...Wind gusts up to 50 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Toledo, Bowling Green, Fremont, Perrysburg, Oregon, Rossford,
Waterville, Northwood, Whitehouse, Oak Harbor, Gibsonburg, Genoa,
Woodville, Holland, Elmore, Maumee, Ballville, Ottawa Hills,
Walbridge and Pemberville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4152 8385 4173 8365 4173 8345 4172 8347
      4170 8346 4169 8337 4146 8299 4145 8304
      4145 8301 4144 8300 4145 8297 4139 8285
      4125 8333 4125 8343
TIME...MOT...LOC 0832Z 230DEG 20KT 4154 8375 4132 8337

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...50 MPH

Saunders

Special weather statement, Aug 25, 5:08 AM EDT, 5 hours 19 minutes before

Special Weather Statement
National Weather Service Cleveland OH
508 AM EDT Wed Aug 25 2021

OHZ008-009-018-019-250945-
Seneca OH-Huron OH-Erie OH-Sandusky OH-
508 AM EDT Wed Aug 25 2021

...Strong thunderstorms will impact portions of western Huron, Erie,
northeastern Seneca and eastern Sandusky Counties through 545 AM
EDT...

At 507 AM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Port Clinton to 6 miles northeast of
Bloomville. Movement was east at 40 mph.

HAZARD...Winds in excess of 40 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Sandusky, Tiffin, Norwalk, Fremont, Bellevue, Clyde, Willard, Green
Springs, Northern Milan, Milan, Castalia, Ballville, Monroeville,
Attica, North Fairfield, Republic, Flat Rock, Bloomingville, Sandusky
South and Fairview Lanes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4144 8301 4143 8301 4145 8298 4142 8294
      4142 8292 4147 8281 4144 8276 4146 8270
      4142 8260 4103 8255 4107 8317 4133 8318
TIME...MOT...LOC 0907Z 265DEG 36KT 4146 8299 4112 8292

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

Saunders

Special weather statement, Aug 25, 5:17 AM EDT, 5 hours 10 minutes before

Special Weather Statement
National Weather Service Cleveland OH
517 AM EDT Wed Aug 25 2021

OHZ009-010-019-020-029>031-250945-
Huron OH-Erie OH-Richland OH-Medina OH-Lorain OH-Ashland OH-Wayne OH-
517 AM EDT Wed Aug 25 2021

...Strong thunderstorms will impact portions of northern Richland,
eastern Huron, Erie, southwestern Medina, northern Ashland,
northwestern Wayne and southwestern Lorain Counties through 545 AM
EDT...

At 517 AM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from 7 miles southeast of Norwalk to Shelby.
Movement was northeast at 25 mph.

HAZARD...Winds in excess of 40 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Mansfield, Ashland, Shelby, Wellington, New London, Plymouth, West
Salem, Wakeman, Savannah, Polk, Sullivan, Greenwich, Spencer, North
Fairfield, Bailey Lakes, Kipton, Congress, Rochester, Nova and
Nankin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4133 8232 4108 8208 4090 8201 4081 8273
      4119 8258 4131 8242
TIME...MOT...LOC 0917Z 244DEG 21KT 4117 8250 4088 8265

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

Saunders

Special weather statement, Aug 25, 5:47 AM EDT, 4 hours 40 minutes before

Special Weather Statement
National Weather Service Cleveland OH
547 AM EDT Wed Aug 25 2021

OHZ009-010-019-029-030-251030-
Huron OH-Erie OH-Richland OH-Lorain OH-Ashland OH-
547 AM EDT Wed Aug 25 2021

...Strong thunderstorms will impact portions of northeastern
Richland, eastern Huron, Erie, northwestern Ashland and southwestern
Lorain Counties through 630 AM EDT...

At 547 AM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Wakeman to 7 miles east of Shelby.
Movement was northeast at 20 mph.

HAZARD...Winds in excess of 40 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Elyria, Ashland, Norwalk, Shelby, Wellington, New London, Wakeman,
Savannah, Oberlin, Sullivan, South Amherst, Pittsfield, Greenwich,
Berlin Heights, North Fairfield, Bailey Lakes, Kipton, Rochester,
Nova and Birmingham.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with these storms and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 4139 8213 4088 8226 4082 8265 4116 8265
      4134 8249
TIME...MOT...LOC 0947Z 246DEG 17KT 4120 8238 4091 8253

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

Saunders

Special weather statement, Aug 25, 6:30 AM EDT, 3 hours 57 minutes before

Special Weather Statement
National Weather Service Cleveland OH
630 AM EDT Wed Aug 25 2021

OHZ010-011-020-021-030-251200-
Summit OH-Medina OH-Lorain OH-Cuyahoga OH-Ashland OH-
630 AM EDT Wed Aug 25 2021

...Strong thunderstorms will impact portions of Cuyahoga, Medina,
north central Ashland, northwestern Summit and Lorain Counties
through 800 AM EDT...

At 628 AM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Westlake to near Polk. Movement was east
at 10 mph.

HAZARD...Winds in excess of 30 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations that may be impacted include... Cleveland, Lorain, Elyria,
Medina, Parma, Lakewood, Euclid, Cleveland Heights, Strongsville,
Brunswick, Westlake, North Royalton, North Ridgeville, Avon Lake,
Wadsworth, Warrensville Heights, Grafton, Rittman, Wellington and
Lodi.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Heavy rainfall is also occurring with these storms which may lead to
ponding on area roadways through the morning commute.

&&

LAT...LON 4159 8148 4099 8170 4100 8228 4145 8218
      4145 8219 4147 8217 4152 8199 4149 8195
      4148 8189 4150 8180 4149 8175 4155 8162
      4163 8149
TIME...MOT...LOC 1028Z 257DEG 9KT 4147 8197 4091 8216

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...30 MPH

Local storm report, Aug 25, 9:21 AM EDT, 1 hour 6 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CLEVELAND OH
921 AM EDT WED AUG 25 2021

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0736 AM     MARINE TSTM WIND 1 NNW FAIRPORT HARBOR   41.77N 81.28W
08/25/2021  M45 MPH          LEZ147             OH   C-MAN STATION

&&

LOMBARDY

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 25, 2:55 AM EDT	Special Marine Warning	CLE		65 min
Aug 25, 3:01 AM EDT	Special Weather Statement	CLE	Erie, Huron	59 min
Aug 25, 3:11 AM EDT	Heat Advisory	CLE	Hancock, Lucas, Wood	15 hr
Aug 25, 3:37 AM EDT	Special Weather Statement	CLE	Hancock, Wood	53 min
Aug 25, 4:33 AM EDT	Special Weather Statement	CLE	Lucas, Sandusky	42 min
Aug 25, 4:59 AM EDT	Special Marine Warning	CLE		91 min
Aug 25, 5:08 AM EDT	Special Weather Statement	CLE	Huron, Seneca	37 min
Aug 25, 5:17 AM EDT	Special Weather Statement	CLE	Huron	28 min
Aug 25, 5:47 AM EDT	Special Weather Statement	CLE	Huron	43 min
Aug 25, 5:55 AM EDT	Areal Flood Advisory	CLE	Ashland, Huron, Richland	3 hr
Aug 25, 6:30 AM EDT	Special Weather Statement	CLE	Cuyahoga, Lorain, Medina	90 min
Aug 25, 6:33 AM EDT	Special Marine Warning	CLE		87 min
Aug 25, 7:01 AM EDT	Areal Flood Advisory	CLE	Lorain	3 hr
Aug 25, 9:18 AM EDT	Special Marine Warning	CLE		87 min
Aug 25, 11:54 AM EDT	Areal Flood Advisory	CLE	Crawford, Erie, Huron, Richland, Seneca	3 hr
Aug 25, 3:10 PM EDT	Special Weather Statement	CLE	Trumbull	50 min
Aug 25, 3:28 PM EDT	Areal Flood Advisory	CLE	Trumbull	25 min
Aug 25, 3:53 PM EDT	Flash Flood Warning	CLE	Trumbull	3 hr
Aug 25, 4:27 PM EDT	Areal Flood Advisory	CLE	Crawford	3 hr

Nearby

Areal Flood Advisories in Ohio, 2021 Every areal flood advisory 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.