Alert archive / New York / Special Weather Statements in 2020

Special Weather Statement, NWS Buffalo, NY

July 13, 2020Lewis County, New York

NWS Buffalo, NY issued this special weather statement at Jul 13, 2020, 2:22 PM EDT for Lewis County, New York. It was in force for 53 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
Jul 13, 2020, 2:22 PM EDT (18:22 UTC)
Expired
Jul 13, 2020, 3:15 PM EDT
In force
53 min
Issued by
NWS Buffalo, NY

County Lewis County, NY

The radar

The Ft Drum radar (KTYX), 25 km from the middle of the area, began a volume at 18:25 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

Albany, NY (KALY), launched 12:00Z, 6.4 hours before the alert went out and 198 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, Albany, NY at 12:00Z on 2020-07-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 66 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, Albany, NY at 12:00Z on 2020-07-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -24 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
66 J/kg
Mixed-layer CIN
-55 J/kg
Mixed-layer LCL
1081 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
-24 m²/s²
0-3 km storm-relative helicity
46 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 Buffalo, NY wrote its last area forecast discussion before this special weather statement went out at Jul 13, 1:54 PM EDT, 28 minutes earlier.

Area forecast discussion, Jul 13, 1:54 PM EDT, 28 minutes before
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</head>
<body>
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    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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        Please try again in a few minutes.
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Hazardous weather outlook, Jul 13, 5:23 AM EDT, 8 hours 59 minutes before
Hazardous Weather Outlook
National Weather Service Buffalo NY
523 AM EDT Mon Jul 13 2020

NYZ001>006-010>014-019>021-085-140930-
Niagara-Orleans-Monroe-Wayne-Northern Cayuga-Oswego-Northern Erie-
Genesee-Wyoming-Livingston-Ontario-Chautauqua-Cattaraugus-Allegany-
Southern Erie-
523 AM EDT Mon Jul 13 2020

This Hazardous Weather Outlook is for portions of western and north
central New York.

.DAY ONE...Today and 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.

This product, along with other watches, warnings, advisories, and
statements issued by the National Weather Service office in Buffalo
can be found on the internet at http://www.weather.gov/buf

NYZ007-008-140930-
Jefferson-Lewis-
523 AM EDT Mon Jul 13 2020

This Hazardous Weather Outlook is for portions of central New York.

.DAY ONE...Today and tonight.

Scattered thunderstorms are expected today. The main threat is heavy
rainfall with the potential for localized flooding. There is a
slight risk for excessive rainfall.

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

Hazardous weather is not expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

This product, along with other watches, warnings, advisories, and
statements issued by the National Weather Service office in Buffalo
can be found on the internet at http://www.weather.gov/buf

LEZ020-040-041-LOZ030-042>045-062>065-SLZ022-024-140930-
Upper Niagara River and Buffalo Harbor-
Lake Erie nearshore waters from Ripley to Dunkirk-
Lake Erie nearshore waters from Dunkirk to Buffalo-
Lower Niagara River-
Lake Ontario nearshore waters from the Niagara River to Hamlin Beach-
Lake Ontario nearshore waters from Hamlin Beach to Sodus Bay-
Lake Ontario nearshore waters from Sodus Bay to Mexico Bay-
Lake Ontario nearshore waters from Mexico Bay to the Saint Lawrence
River-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
Lake Ontario open waters from Hamlin Beach to Sodus Bay-
Lake Ontario open waters from Sodus Bay to Mexico Bay-
Lake Ontario open waters from Mexico Bay to the Saint Lawrence River-
Saint Lawrence River from Cape Vincent to Ogdensburg-
Saint Lawrence River from Ogdensburg to Saint Regis-
523 AM EDT Mon Jul 13 2020

This Hazardous Weather Outlook is for the New York waters of Lake
Erie, Lake Ontario, and the Saint Lawrence River.

.DAY ONE...Today and 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.

This product, along with other watches, warnings, advisories, and
statements issued by the National Weather Service office in Buffalo
can be found on the internet at http://www.weather.gov/buf

In the hours before

Special weather statement, Jul 13, 2:22 PM EDT, 0 minutes before
Special Weather Statement
National Weather Service Buffalo NY
222 PM EDT Mon Jul 13 2020

NYZ008-131915-
Lewis-
222 PM EDT Mon Jul 13 2020

...A STRONG THUNDERSTORM WILL AFFECT CENTRAL LEWIS COUNTY...

At 221 PM EDT, a strong thunderstorm was located 10 miles east of
Carthage, or 19 miles east of Fort Drum, moving east at 15 mph.

Winds in excess of 40 mph are possible with this storm.

Locations impacted include...
Carthage, Lowville, Denmark, New Bremen, Watson, Copenhagen,
Harrisville, Croghan, Castorland, Belfort, Soft Maple Reservoir,
Bellwood, Kirschnerville, Diana Center, Lake Bonaparte, Beaver Falls,
Natural Bridge, Indian River and Sperryville.

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 4377 7578 4377 7579 4379 7579 4392 7568
      4397 7560 4397 7555 4401 7555 4401 7550
      4405 7549 4406 7550 4407 7548 4411 7554
      4421 7545 4410 7517 4372 7512
TIME...MOT...LOC 1821Z 278DEG 14KT 4398 7540

JLA

The office that day

Everything else NWS Buffalo, NY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 13, 3:31 AM EDTSpecial Weather StatementBUFJefferson29 min
Jul 13, 3:54 AM EDTAreal Flood WarningBUFJefferson3 hr
Jul 13, 4:07 AM EDTSpecial Marine WarningBUF38 min
Jul 13, 4:09 AM EDTSpecial Weather StatementBUFJefferson66 min
Jul 13, 3:19 PM EDTSpecial Weather StatementBUFMonroe56 min
Jul 13, 3:46 PM EDTSpecial Weather StatementBUFLewis59 min
Jul 13, 4:12 PM EDTSevere Thunderstorm WarningBUFOntario, Wayne52 min
Jul 13, 4:42 PM EDTSpecial Weather StatementBUFGenesee33 min
Jul 13, 5:02 PM EDTSpecial Weather StatementBUFOntario58 min
Jul 13, 5:05 PM EDTSevere Thunderstorm WarningBUFJefferson, Lewis55 min
Jul 13, 5:16 PM EDTSevere Thunderstorm WarningBUFWyoming33 min
Jul 13, 5:38 PM EDTTornado WarningBUFJefferson, Lewis22 min
Jul 13, 5:51 PM EDTSevere Thunderstorm WarningBUFGenesee, Livingston, Wyoming39 min
Jul 13, 6:00 PM EDTSevere Thunderstorm WarningBUFJefferson, Lewis35 min
Jul 13, 6:19 PM EDTSpecial Weather StatementBUFErie56 min
Jul 13, 6:20 PM EDTSevere Thunderstorm WarningBUFJefferson37 min
Jul 13, 6:33 PM EDTSpecial Weather StatementBUFJefferson27 min
Jul 13, 6:35 PM EDTSpecial Weather StatementBUFOntario40 min
Jul 13, 6:40 PM EDTSpecial Weather StatementBUFWyoming50 min
Jul 13, 7:29 PM EDTSpecial Weather StatementBUFErie31 min

Nearby

Special Weather Statements in New York, 2020Every special weather statement 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.