Alert archive / Ohio / Areal Flood Warnings in 2020

Areal Flood Warning 4, NWS Cleveland, OH

May 19, 2020Hancock County, Seneca County, Ohio

NWS Cleveland, OH issued this areal flood warning at May 19, 2020, 3:18 AM EDT for Hancock County, Seneca County, Ohio. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 19, 2020, 3:18 AM EDT (07:18 UTC)
Expired
May 19, 2020, 9:15 AM EDT
In force
6 hr
Issued by
NWS Cleveland, OH
Area
Storm-based polygon
Flood severity
None

Counties Hancock County, OH, Seneca County, OH

The radar

The Cleveland radar (KCLE), 134 km from the middle of the area, began a volume at 07:19 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

Cncnati-Daytn, OH (KILN), launched 00:00Z, 7.3 hours before the alert went out and 185 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, Cncnati-Daytn, OH at 00:00Z on 2020-05-19Temperature 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, Cncnati-Daytn, OH at 00:00Z on 2020-05-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 67 square meters per square second.19395878Sfc1 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
973 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
67 m²/s²
0-3 km storm-relative helicity
84 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 warning 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 warning went out at May 19, 1:48 AM EDT, 1 hour 30 minutes earlier.

Area forecast discussion, May 19, 1:48 AM EDT, 1 hour 30 minutes before
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Hazardous weather outlook, May 18, 7:35 PM EDT, 7 hours 43 minutes before
Hazardous Weather Outlook
National Weather Service Cleveland OH
735 PM EDT Mon May 18 2020

OHZ006-010-011-017>020-027>031-036-037-047-192345-
Wood-Lorain-Cuyahoga-Hancock-Seneca-Huron-Medina-Wyandot-Crawford-
Richland-Ashland-Wayne-Marion-Morrow-Knox-
735 PM EDT Mon May 18 2020

...FLOOD WATCH IN EFFECT THROUGH TUESDAY MORNING...

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

.DAY ONE...Tonight.

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

   Flood Watch.

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

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

   Flood Watch.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

OHZ012>014-021>023-032-033-038-089-PAZ001>003-192345-
Lake-Geauga-Ashtabula Inland-Summit-Portage-Trumbull-Stark-Mahoning-
Holmes-Ashtabula Lakeshore-Northern Erie-Southern Erie-Crawford-
735 PM EDT Mon May 18 2020

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

.DAY ONE...Tonight.

Showers and thunderstorms over the region may lead to localized
flooding, especially in areas that have received several rounds of
rain over the past several days.

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

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

OHZ003-007>009-192345-
Lucas-Ottawa-Sandusky-Erie-
735 PM EDT Mon May 18 2020

...LAKESHORE FLOOD WARNING IN EFFECT UNTIL 4 PM EDT TUESDAY...
...FLOOD WATCH IN EFFECT THROUGH TUESDAY MORNING...

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

.DAY ONE...Tonight.

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

   Lakeshore Flood Warning.
   Flood Watch.

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

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

   Lakeshore Flood Warning.
   Flood Watch.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

LEZ061-142>149-162>169-192345-
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-
735 PM EDT Mon May 18 2020

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

.DAY ONE...Tonight.

No hazardous weather is expected at this time.

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

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Local storm report, May 18, 10:53 PM EDT, 4 hours 25 minutes before
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Local storm report, May 18, 11:00 PM EDT, 4 hours 18 minutes before
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Local storm report, May 18, 11:12 PM EDT, 4 hours 6 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
May 18, 9:19 PM EDTAreal Flood AdvisoryCLECrawford, Marion, Morrow, Richland, Wyandot6 hr
May 18, 9:44 PM EDTAreal Flood AdvisoryCLEHancock, Huron, Seneca6 hr
May 18, 10:41 PM EDTAreal Flood WarningCLECrawford, Huron, Knox, Morrow, Richland6 hr
May 19, 12:44 AM EDTFlash Flood WarningCLEMarion, Wyandot6 hr
May 19, 4:17 AM EDTAreal Flood WarningCLEAshland, Knox, Richland15 hr
May 19, 4:44 AM EDTAreal Flood WarningCLECrawford, Knox, Marion, Morrow, Richland15 hr
May 19, 5:07 AM EDTRiver Flood WarningCLELorain20 hr
May 19, 5:23 AM EDTRiver Flood WarningCLEHancock23 hr
May 19, 6:23 AM EDTRiver Flood WarningCLEMarion4 days
May 19, 6:27 AM EDTRiver Flood WarningCLELucas, Wood3 days
May 19, 6:35 AM EDTAreal Flood WarningCLEMarion, Wyandot12 hr
May 19, 6:38 AM EDTRiver Flood WarningCLESandusky, Wood65 hr
May 19, 6:59 AM EDTRiver Flood WarningCLEMarion37 hr
May 19, 9:54 AM EDTRiver Flood WarningCLEErie7 hr
May 19, 3:40 PM EDTRiver Flood WarningCLESeneca10 hr
May 19, 3:40 PM EDTRiver Flood WarningCLEHancock13 hr

Nearby

Areal Flood Warnings in Ohio, 2020Every areal flood warning 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.