Alert archive / New York / Special Weather Statements in 2023

Special Weather Statement, NWS Buffalo, NY

August 17, 2023Livingston County, Monroe County, New York

NWS Buffalo, NY issued this special weather statement at Aug 17, 2023, 11:52 PM EDT for Livingston County, Monroe County, New York. It was in force for 38 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
Aug 17, 2023, 11:52 PM EDT (03:52 UTC)
Expired
Aug 18, 2023, 12:30 AM EDT
In force
38 min
Issued by
NWS Buffalo, NY
Hail
0.00 in
Wind
50

Counties Livingston County, NY, Monroe County, NY

The radar

The Buffalo radar (KBUF), 86 km from the middle of the area, began a volume at 03:51 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 (KPIT), launched 00:00Z, 3.9 hours before the alert went out and 353 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 00:00Z on 2023-08-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 135 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, Pittsburgh, PA at 00:00Z on 2023-08-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 98 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
135 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
1275 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
98 m²/s²
0-3 km storm-relative helicity
130 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

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 Aug 17, 11:44 PM EDT, 8 minutes earlier.

Area forecast discussion, Aug 17, 11:44 PM EDT, 8 minutes before
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Hazardous weather outlook, Aug 17, 5:07 AM EDT, 18 hours 45 minutes before
Hazardous Weather Outlook
National Weather Service Buffalo NY
507 AM EDT Thu Aug 17 2023

NYZ001>008-010>014-019>021-085-180915-
Niagara-Orleans-Monroe-Wayne-Northern Cayuga-Oswego-Jefferson-Lewis-
Northern Erie-Genesee-Wyoming-Livingston-Ontario-Chautauqua-
Cattaraugus-Allegany-Southern Erie-
507 AM EDT Thu Aug 17 2023

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

.DAY ONE...Today and tonight.

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

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

LEZ020-040-041-LOZ030-180915-
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-
507 AM EDT Thu Aug 17 2023

This Hazardous Weather Outlook is for portions of Lake Erie and Lake
Ontario.

.DAY ONE...Today and tonight.

There will be the risk for waterspouts late tonight in the wake of a
passing cold front.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

Waterspouts will be possible on Friday.

.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

LOZ042>045-062>065-SLZ022-024-180915-
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-
507 AM EDT Thu Aug 17 2023

This Hazardous Weather Outlook is for portions of Lake Ontario and
Saint Lawrence River.

.DAY ONE...Today and tonight.

There will be the risk for waterspouts late tonight in the wake of a
cold front.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

Waterspouts will be possible Friday and Friday night.

.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, Aug 17, 10:58 PM EDT, 54 minutes before
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Special weather statement, Aug 17, 10:59 PM EDT, 53 minutes before
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Special weather statement, Aug 17, 11:12 PM EDT, 40 minutes before
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Local storm report, Aug 17, 11:17 PM EDT, 35 minutes before
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Local storm report, Aug 17, 11:19 PM EDT, 33 minutes before
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Special weather statement, Aug 17, 11:52 PM EDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 17, 9:45 PM EDTSpecial Marine WarningBUF60 min
Aug 17, 10:07 PM EDTSpecial Weather StatementBUFChautauqua53 min
Aug 17, 10:20 PM EDTSpecial Marine WarningBUF40 min
Aug 17, 10:26 PM EDTSpecial Marine WarningBUF34 min
Aug 17, 10:33 PM EDTSpecial Marine WarningBUF57 min
Aug 17, 10:38 PM EDTSpecial Weather StatementBUFCattaraugus, Erie, Niagara37 min
Aug 17, 10:43 PM EDTSpecial Marine WarningBUF47 min
Aug 17, 10:57 PM EDTSpecial Marine WarningBUF63 min
Aug 17, 10:59 PM EDTSpecial Weather StatementBUFChautauqua46 min
Aug 17, 11:12 PM EDTSpecial Weather StatementBUFGenesee, Orleans, Wyoming63 min
Aug 17, 11:29 PM EDTSpecial Marine WarningBUF46 min
Aug 17, 11:58 PM EDTSpecial Marine WarningBUF32 min
Aug 18, 2:04 AM EDTSpecial Marine WarningBUF56 min
Aug 18, 4:52 AM EDTBeach Hazards StatementBUFCayuga, Chautauqua, Erie, Jefferson, Monroe, Niagara and 3 more45 hr
Aug 18, 6:53 PM EDTSpecial Marine WarningBUF52 min

Nearby

Special Weather Statements in New York, 2023Every special weather statement in 2023

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.