Alert archive / New York / Special Weather Statements in 2023

Special Weather Statement, NWS Buffalo, NY

July 25, 2023Allegany County, New York

NWS Buffalo, NY issued this special weather statement at Jul 25, 2023, 5:56 PM EDT for Allegany County, New York. It was in force for 64 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 25, 2023, 5:56 PM EDT (21:56 UTC)
Expired: Jul 25, 2023, 7:00 PM EDT
In force: 64 min
Issued by: NWS Buffalo, NY
Hail: 0.50 in
Wind: 40

County Allegany County, NY

The radar

The Buffalo radar (KBUF), 111 km from the middle of the area, began a volume at 21:57 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, 9.9 hours before the alert went out and 108 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 402 J/kg
Mixed-layer CIN: -62 J/kg
Mixed-layer LCL: 978 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 41 m²/s²
0-3 km storm-relative helicity: 57 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 25, 5:55 PM EDT, 1 minute earlier.

Area forecast discussion, Jul 25, 5:55 PM EDT, 1 minute before

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Hazardous weather outlook, Jul 25, 3:02 PM EDT, 2 hours 54 minutes before

Hazardous Weather Outlook
National Weather Service Buffalo NY
302 PM EDT Tue Jul 25 2023

NYZ001>006-011-013-014-261915-
Niagara-Orleans-Monroe-Wayne-Northern Cayuga-Oswego-Genesee-
Livingston-Ontario-
302 PM EDT Tue Jul 25 2023

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

.DAY ONE...This afternoon and tonight.

Hazardous weather is not expected at this time.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Widespread thunderstorms Wednesday night will generate slow moving
tropical downpours that could result in multiple inches of rain for
localized areas.

The combination of heat and high humidity on Friday will then lead to
apparent temperatures of 95 to 100. This would necessitate the need
for heat advisories as the event nears.

.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

NYZ007-008-261915-
Jefferson-Lewis-
302 PM EDT Tue Jul 25 2023

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

.DAY ONE...This afternoon and tonight.

Hazardous weather is not expected at this time.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Widespread thunderstorms late Wednesday night and early Thursday will
generate slow moving tropical downpours that could result in
multiple inches of rain for localized areas.

.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

NYZ010-012-019>021-085-261915-
Northern Erie-Wyoming-Chautauqua-Cattaraugus-Allegany-Southern Erie-
302 PM EDT Tue Jul 25 2023

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

.DAY ONE...This afternoon and tonight.

Hazardous weather is not expected at this time.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Widespread thunderstorms Wednesday night will generate slow moving
tropical downpours that could result in multiple inches of rain for
localized areas.

.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-SLZ022-024-261915-
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-
302 PM EDT Tue Jul 25 2023

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

.DAY ONE...This afternoon and tonight.

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

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

Local storm report, Jul 25, 4:37 PM EDT, 1 hour 19 minutes before

Preliminary Local Storm Report
National Weather Service Buffalo NY
437 PM EDT Tue Jul 25 2023

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

0413 PM     Tstm Wnd Dmg     1 W Rochester           43.17N 77.63W
07/25/2023                   Monroe             NY   911 Call Center

            Light pole down on Lake Avenue in Rochester.

&&

PP

Special weather statement, Jul 25, 5:01 PM EDT, 55 minutes before

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Local storm report, Jul 25, 5:07 PM EDT, 49 minutes before

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Special weather statement, Jul 25, 5:22 PM EDT, 34 minutes before

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Special weather statement, Jul 25, 5:27 PM EDT, 29 minutes before

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Special weather statement, Jul 25, 5:56 PM EDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 25, 2:23 PM EDT	Special Weather Statement	BUF	Chautauqua	37 min
Jul 25, 2:57 PM EDT	Special Weather Statement	BUF	Cattaraugus, Livingston, Wyoming	33 min
Jul 25, 3:33 PM EDT	Special Weather Statement	BUF	Cattaraugus, Chautauqua, Livingston, Wyoming	42 min
Jul 25, 3:42 PM EDT	Severe Thunderstorm Warning	BUF	Wyoming	33 min
Jul 25, 4:01 PM EDT	Special Weather Statement	BUF	Monroe	29 min
Jul 25, 4:10 PM EDT	Severe Thunderstorm Warning	BUF	Monroe	35 min
Jul 25, 4:14 PM EDT	Special Weather Statement	BUF	Livingston	31 min
Jul 25, 4:18 PM EDT	Severe Thunderstorm Warning	BUF	Allegany, Livingston	42 min
Jul 25, 4:33 PM EDT	Special Weather Statement	BUF	Wyoming	27 min
Jul 25, 4:44 PM EDT	Flash Flood Warning	BUF	Monroe	3 hr
Jul 25, 5:01 PM EDT	Special Weather Statement	BUF	Allegany	44 min
Jul 25, 5:22 PM EDT	Special Weather Statement	BUF	Cattaraugus	23 min
Jul 25, 5:27 PM EDT	Special Weather Statement	BUF	Monroe	33 min

Nearby

Special Weather Statements in New York, 2023 Every 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.