Alert archive / Pennsylvania / Special Weather Statements in 2021

Special Weather Statement, NWS Cleveland, OH

September 15, 2021Crawford County, Pennsylvania

NWS Cleveland, OH issued this special weather statement at Sep 15, 2021, 11:32 AM EDT for Crawford County, Pennsylvania. It was in force for 58 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
Sep 15, 2021, 11:32 AM EDT (15:32 UTC)
Expired
Sep 15, 2021, 12:30 PM EDT
In force
58 min
Issued by
NWS Cleveland, OH
Hail
0.00 in
Wind
40

County Crawford County, PA

The radar

The Pittsburgh radar (KPBZ), 137 km from the middle of the area, began a volume at 15:33 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

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 3.5 hours before the alert went out and 164 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, Buffalo Intl Airport, NY at 12:00Z on 2021-09-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 236 joules per kilogram.LCLLFCEL10008507005003002001001 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, Buffalo Intl Airport, NY at 12:00Z on 2021-09-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 9 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
236 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
622 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
9 m²/s²
0-3 km storm-relative helicity
53 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

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 Sep 15, 9:44 AM EDT, 1 hour 48 minutes earlier.

Area forecast discussion, Sep 15, 9:44 AM EDT, 1 hour 48 minutes before
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Hazardous weather outlook, Sep 15, 4:07 AM EDT, 7 hours 25 minutes before
Hazardous Weather Outlook
National Weather Service Cleveland OH
407 AM EDT Wed Sep 15 2021

LEZ061-142>149-162>169-OHZ003-006>014-017>023-027>033-036>038-047-
089-PAZ001>003-160815-
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-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-
407 AM EDT Wed Sep 15 2021

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

.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, Sep 15, 8:50 AM EDT, 2 hours 42 minutes before
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Local storm report, Sep 15, 8:54 AM EDT, 2 hours 38 minutes before
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Local storm report, Sep 15, 9:16 AM EDT, 2 hours 16 minutes before
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Local storm report, Sep 15, 10:23 AM EDT, 1 hour 9 minutes before
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Local storm report, Sep 15, 11:13 AM EDT, 19 minutes before
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Special weather statement, Sep 15, 11:32 AM EDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Sep 14, 8:28 PM EDTSpecial Weather StatementCLELucas62 min
Sep 14, 8:44 PM EDTSevere Thunderstorm WarningCLELucas, Ottawa, Wood61 min
Sep 14, 8:45 PM EDTSpecial Marine WarningCLE2 hr
Sep 14, 9:30 PM EDTAreal Flood AdvisoryCLELucas, Ottawa, Wood68 min
Sep 14, 9:38 PM EDTSevere Thunderstorm WarningCLEErie, Lucas, Ottawa, Sandusky, Wood67 min
Sep 14, 9:48 PM EDTSpecial Marine WarningCLE87 min
Sep 14, 10:38 PM EDTFlash Flood WarningCLELucas, Ottawa, Wood5 hr
Sep 14, 10:45 PM EDTSpecial Weather StatementCLEErie, Ottawa, Sandusky60 min
Sep 14, 10:50 PM EDTSpecial Marine WarningCLE85 min
Sep 14, 10:59 PM EDTAreal Flood AdvisoryCLEErie, Ottawa, Sandusky5 hr
Sep 14, 11:11 PM EDTSpecial Marine WarningCLE94 min
Sep 14, 11:58 PM EDTSpecial Marine WarningCLE92 min
Sep 15, 12:16 AM EDTSpecial Weather StatementCLEAshtabula, Geauga, Trumbull59 min
Sep 15, 1:04 AM EDTSevere Thunderstorm WarningCLECuyahoga, Geauga, Lake, Lorain, Medina, Portage and 1 more71 min
Sep 15, 1:24 AM EDTAreal Flood AdvisoryCLECuyahoga3 hr
Sep 15, 12:35 AM EDTSpecial Weather StatementCLECrawford, Erie70 min
Sep 15, 1:50 AM EDTSpecial Weather StatementCLECrawford, Erie55 min

Nearby

Special Weather Statements in Pennsylvania, 2021Every special weather statement 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.