Alert archive / Ohio / Special Weather Statements in 2017

Special Weather Statement, NWS Cleveland, OH

April 19, 2017Portage County, Ohio

NWS Cleveland, OH issued this special weather statement at Apr 19, 2017, 6:35 PM EDT for Portage County, Ohio. It was in force for 40 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, 6:35 PM EDT (22:35 UTC)
Expired
Apr 19, 2017, 7:15 PM EDT
In force
40 min
Issued by
NWS Cleveland, OH

County Portage County, OH

The radar

The Cleveland radar (KCLE), 56 km from the middle of the area, began a volume at 22:39 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 (KAGC), launched 12:00Z, 10.6 hours before the alert went out and 130 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 2017-04-19Temperature 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, Pittsburgh, PA at 12:00Z on 2017-04-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 328 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
1083 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
328 m²/s²
0-3 km storm-relative helicity
365 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, 6:14 PM EDT, 21 minutes earlier.

Area forecast discussion, Apr 19, 6:14 PM EDT, 21 minutes before
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Hazardous weather outlook, Apr 19, 4:50 AM EDT, 13 hours 45 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

Special weather statement, Apr 19, 4:51 PM EDT, 1 hour 44 minutes before
Special Weather Statement
National Weather Service Cleveland OH
451 PM EDT WED APR 19 2017

OHZ010-011-192115-
Lorain-Cuyahoga-
451 PM EDT WED APR 19 2017

...A STRONG THUNDERSTORM WILL AFFECT CUYAHOGA AND NORTHEASTERN LORAIN
COUNTIES...

At 451 PM EDT, a strong thunderstorm was located over Avon Lake, or 8
miles northeast of Elyria, moving east at 30 mph.

Winds in excess of 40 mph and dime size hail are possible with this
storm.

Locations impacted include...
Cleveland, Lorain, Parma, Lakewood, Cleveland Heights, Strongsville,
Westlake, North Royalton, North Ridgeville, Avon Lake, Warrensville
Heights, North Olmsted, Garfield Heights, Shaker Heights, Maple
Heights, Avon, Parma Heights, Rocky River, Broadview Heights and
Brook Park.

To report severe weather, contact your nearest law enforcement
agency. They can relay your report to the National Weather Service
office in Cleveland.

LAT...LON 4161 8157 4135 8153 4135 8159 4128 8157
      4128 8166 4141 8204 4147 8217 4152 8208
      4154 8198 4153 8194 4153 8172
TIME...MOT...LOC 2051Z 279DEG 27KT 4146 8200

Sefcovic
Local storm report, Apr 19, 5:12 PM EDT, 1 hour 23 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CLEVELAND OH
512 PM EDT WED APR 19 2017

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

0457 PM     HAIL             2 SE BLOOMVILLE         41.03N 82.99W
04/19/2017  E1.25 INCH       SENECA             OH   STORM CHASER

            MOSTLY QUARTER SIZE HAIL WITH A FEW PIECES AROUND HALF
            DOLLAR SIZE.

&&

CMOTTICE
Local storm report, Apr 19, 5:41 PM EDT, 54 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CLEVELAND OH
541 PM EDT WED APR 19 2017

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

0457 PM     HAIL             1 SE NEW WASHINGTON     40.95N 82.84W
04/19/2017  E0.50 INCH       CRAWFORD           OH   TRAINED SPOTTER

&&

CMOTTICE
Special weather statement, Apr 19, 5:45 PM EDT, 50 minutes before
Special Weather Statement
National Weather Service Cleveland OH
545 PM EDT WED APR 19 2017

OHZ010-011-013-021-022-192245-
Summit-Geauga-Portage-Lorain-Cuyahoga-
545 PM EDT WED APR 19 2017

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT NORTHWESTERN PORTAGE...
SOUTHWESTERN GEAUGA...CUYAHOGA...NORTHERN SUMMIT AND NORTHERN LORAIN
COUNTIES...

At 545 PM EDT, radar indicated strong thunderstorms were located
along a line extending from near Avon Lake to near North Royalton.
Movement was east at 30 mph.

Winds in excess of 40 mph and dime size hail are possible with these
storms.

Locations impacted include...
Cleveland, Lorain, Elyria, Vermilion, Parma, Lakewood, Strongsville,
Westlake, North Royalton, North Ridgeville, Kent, Solon, Avon Lake,
Hudson, Twinsburg, Streetsboro, Warrensville Heights, Amherst,
Macedonia and South Russell.

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

LAT...LON 4153 8185 4142 8116 4116 8135 4126 8169
      4128 8169 4128 8176 4144 8235 4154 8200
TIME...MOT...LOC 2145Z 283DEG 26KT 4149 8209 4133 8167

Sefcovic
Local storm report, Apr 19, 6:17 PM EDT, 18 minutes before
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Special weather statement, Apr 19, 6:35 PM EDT, 0 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

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 19, 4:32 PM EDTSpecial Weather StatementCLESeneca28 min
Apr 19, 4:51 PM EDTSpecial Weather StatementCLECuyahoga24 min
Apr 19, 5:00 PM EDTSevere Thunderstorm WarningCLECrawford, Huron, Richland, Seneca45 min
Apr 19, 5:45 PM EDTSpecial Weather StatementCLELorain60 min
Apr 19, 6:02 PM EDTAreal Flood AdvisoryCLECuyahoga, Summit3 hr
Apr 19, 6:55 PM EDTAreal Flood AdvisoryCLEPortage3 hr
Apr 19, 7:02 PM EDTSevere Thunderstorm WarningCLEMahoning, Portage, Trumbull43 min
Apr 19, 7:17 PM EDTSpecial Weather StatementCLEAshtabula, Cuyahoga, Geauga, Lake58 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.