Alert archive / Ohio / Areal Flood Advisories in 2021

Areal Flood Advisory 94, NWS Cleveland, OH

August 25, 20215 counties in Ohio

NWS Cleveland, OH issued this areal flood advisory at Aug 25, 2021, 11:54 AM EDT for 5 counties in Ohio. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued: Aug 25, 2021, 11:54 AM EDT (15:54 UTC)
Expired: Aug 25, 2021, 2:31 PM EDT
In force: 3 hr
Issued by: NWS Cleveland, OH
Area: Storm-based polygon

Counties Crawford County, OH, Erie 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 15:55 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, 3.9 hours before the alert went out and 192 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, 2 hours 32 minutes earlier.

Area forecast discussion, Aug 25, 9:22 AM EDT, 2 hours 32 minutes before

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Hazardous weather outlook, Aug 25, 3:23 AM EDT, 8 hours 31 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, 6:30 AM EDT, 5 hours 24 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, 2 hours 33 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, 10:27 AM EDT	Areal Flood Advisory	CLE	Erie, Ottawa, Sandusky, Wood	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.