Alert archive / Ohio / Special Weather Statements in 2017

Special Weather Statement, NWS Cleveland, OH

April 19, 2017Huron County, Medina County, Seneca County, Ohio

NWS Cleveland, OH issued this special weather statement at Apr 19, 2017, 8:09 PM EDT for Huron County, Medina County, Seneca County, Ohio. It was in force for 51 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
Apr 19, 2017, 8:09 PM EDT (00:09 UTC)
Expired
Apr 19, 2017, 9:00 PM EDT
In force
51 min
Issued by
NWS Cleveland, OH

Counties Huron County, OH, Medina County, OH, Seneca County, OH

The radar

The Cleveland radar (KCLE), 56 km from the middle of the area, began a volume at 00:13 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 00:00Z, 0.2 hours before the alert went out and 199 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 00:00Z on 2017-04-20Temperature 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, Detroit, MI at 00:00Z on 2017-04-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -50 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
994 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
-50 m²/s²
0-3 km storm-relative helicity
-12 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 Apr 19, 7:55 PM EDT, 14 minutes earlier.

Area forecast discussion, Apr 19, 7:55 PM EDT, 14 minutes before
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Hazardous weather outlook, Apr 19, 4:50 AM EDT, 15 hours 19 minutes before
Hazardous Weather Outlook
National Weather Service Cleveland OH
450 AM EDT Wed Apr 19 2017

OHZ003-006>014-017>023-027>033-036>038-047-089-PAZ001>003-200900-
Lucas-Wood-Ottawa-Sandusky-Erie-Lorain-Cuyahoga-Lake-Geauga-
Ashtabula Inland-Hancock-Seneca-Huron-Medina-Summit-Portage-Trumbull-
Wyandot-Crawford-Richland-Ashland-Wayne-Stark-Mahoning-Marion-Morrow-
Holmes-Knox-Ashtabula Lakeshore-Northern Erie-Southern Erie-
450 AM EDT Wed Apr 19 2017

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

.DAY ONE...Today and Tonight.

Showers and thunderstorms are possible this afternoon and this
evening across northern Ohio and northwest Pennsylvania. Heavy
rainfall is possible with these storms. There is a marginal risk for
severe weather, with isolated strong winds and large hail possible.

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

Showers and thunderstorms are expected to develop and move east
across the area Thursday afternoon and evening. There is a slight
risk for severe weather roughly west of a Mount Gilead to Ashtabula
line, and a marginal risk east of this line. Thunderstorms may
produce damaging winds and large hail, especially in the slight risk
area.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

LEZ061-142>149-162>169-200900-
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-
450 AM EDT Wed Apr 19 2017

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

Local storm report, Apr 19, 6:17 PM EDT, 1 hour 52 minutes before
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Special weather statement, Apr 19, 6:35 PM EDT, 1 hour 34 minutes before
Special Weather Statement
National Weather Service Cleveland OH
635 PM EDT WED APR 19 2017

OHZ021-022-192315-
Summit-Portage-
635 PM EDT WED APR 19 2017

...A STRONG THUNDERSTORM WILL AFFECT PORTAGE AND NORTHEASTERN SUMMIT
COUNTIES...

At 635 PM EDT, a strong thunderstorm was located over Streetsboro, or
8 miles northwest of Ravenna, moving southeast at 25 mph.

Wind gusts up to 50 mph and nickel size hail are possible with this
storm.

Locations impacted include...
Ravenna, Cuyahoga Falls, Kent, Hudson, Twinsburg, Tallmadge,
Streetsboro, Garrettsville, Mantua, Stow, Aurora, Brimfield,
Randolph, Munroe Falls, Reminderville, Atwater, Edinburg, Silver
Lake, Windham and Hiram.

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

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 4118 8151 4135 8141 4131 8100 4099 8100
      4099 8119
TIME...MOT...LOC 2235Z 294DEG 20KT 4124 8137

Sefcovic
Special weather statement, Apr 19, 7:17 PM EDT, 52 minutes before
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Local storm report, Apr 19, 7:44 PM EDT, 25 minutes before
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Local storm report, Apr 19, 8:04 PM EDT, 5 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CLEVELAND OH
804 PM EDT WED APR 19 2017

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

0507 PM     HAIL             ATTICA                  41.07N 82.88W
04/19/2017  E1.25 INCH       SENECA             OH   PUBLIC

            MULTIPLE REPORTS OF QUARTER TO HALF DOLLAR
            SIZED HAIL. TIME ESTIMATED FROM RADAR.

&&

CLM
Special weather statement, Apr 19, 8:09 PM EDT, 0 minutes before
Special Weather Statement
National Weather Service Cleveland OH
809 PM EDT WED APR 19 2017

OHZ008>010-018>020-028>031-200100-
Seneca-Crawford-Huron-Erie-Richland-Medina-Sandusky-Lorain-Ashland-
Wayne-
809 PM EDT WED APR 19 2017

...A LINE OF THUNDERSTORMS PRODUCING HEAVY RAINFALL WILL MOVE
THROUGH NORTH CENTRAL OHIO...

At 806 PM EDT, radar indicated an area of thunderstorms that were
located along a line extending from 7 miles northeast of Fostoria to
to near Greenwich to near Rittman. Movement was east at 55 mph.

Torrential rainfall is occurring with these storms, and may cause
localized flooding. Do not drive your vehicle through flooded
roadways. Half inch hail is also possible with these storms.

Locations impacted include...
Medina, Tiffin, Norwalk, Fremont, Fostoria, Brunswick, Wadsworth,
Bellevue, Grafton, Rittman, Clyde, Willard, Wellington, Doylestown,
Lodi, New London, Creston, Plymouth, West Salem and Green Springs.

LAT...LON 4136 8341 4129 8188 4127 8188 4128 8169
      4099 8169 4098 8165 4089 8165 4087 8185
      4097 8311 4099 8311 4099 8342
TIME...MOT...LOC 0006Z 257DEG 47KT 4122 8329 4091 8183

Sefcovic

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 19, 9:06 PM EDTAreal Flood AdvisoryCLEStark, Summit5 hr
Apr 19, 9:30 PM EDTSpecial Weather StatementCLEWood45 min
Apr 19, 10:38 PM EDTRiver Flood WarningCLEStark13 hr
Apr 20, 8:23 AM EDTSpecial Marine WarningCLE37 min
Apr 20, 10:46 AM EDTSpecial Weather StatementCLEAshtabula29 min
Apr 20, 4:13 PM EDTSpecial Weather StatementCLELucas, Wood47 min
Apr 20, 5:19 PM EDTSpecial Weather StatementCLESandusky41 min
Apr 20, 5:27 PM EDTSevere Thunderstorm WarningCLEHancock39 min
Apr 20, 6:16 PM EDTSpecial Marine WarningCLE89 min
Apr 20, 6:56 PM EDTSpecial Weather StatementCLELucas49 min
Apr 20, 7:20 PM EDTSpecial Marine WarningCLE85 min
Apr 20, 6:05 PM EDTSpecial Weather StatementCLECrawford40 min
Apr 20, 6:21 PM EDTSpecial Weather StatementCLECrawford24 min
Apr 20, 6:37 PM EDTSevere Thunderstorm WarningCLEErie38 min

Nearby

Special Weather Statements in Ohio, 2017Every special weather statement in 2017

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.