Alert archive / New York / Special Weather Statements in 2018

Special Weather Statement, NWS Buffalo, NY

April 4, 2018Allegany County, Livingston County, Ontario County, New York

NWS Buffalo, NY issued this special weather statement at Apr 4, 2018, 6:36 AM EDT for Allegany County, Livingston County, Ontario County, New York. It was in force for 54 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 4, 2018, 6:36 AM EDT (10:36 UTC)
Expired
Apr 4, 2018, 7:30 AM EDT
In force
54 min
Issued by
NWS Buffalo, NY

Counties Allegany County, NY, Livingston County, NY, Ontario County, NY

The radar

The Buffalo radar (KBUF), 99 km from the middle of the area, began a volume at 10:38 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 00:00Z, 10.6 hours before the alert went out and 95 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 00:00Z on 2018-04-04Temperature 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, Buffalo Intl Airport, NY at 00:00Z on 2018-04-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 445 square meters per square second.1939587897Sfc1 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
450 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
445 m²/s²
0-3 km storm-relative helicity
513 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 Apr 4, 5:58 AM EDT, 38 minutes earlier.

Area forecast discussion, Apr 4, 5:58 AM EDT, 38 minutes before
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Hazardous weather outlook, Apr 4, 4:14 AM EDT, 2 hours 22 minutes before
Hazardous Weather Outlook
National Weather Service Buffalo NY
414 AM EDT Wed Apr 4 2018

NYZ010-019-085-050815-
Northern Erie-Chautauqua-Southern Erie-
414 AM EDT Wed Apr 4 2018

...HIGH WIND WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING...
...LAKESHORE FLOOD WARNING IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON...

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

.DAY ONE...Today and Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   High Wind Warning.
   Lakeshore Flood Warning.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

The probability for widespread hazardous weather is low.

.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

NYZ011-012-050815-
Genesee-Wyoming-
414 AM EDT Wed Apr 4 2018

...HIGH WIND WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING...

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

.DAY ONE...Today and Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   High Wind Warning.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

The probability for widespread hazardous weather is low.

.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

NYZ001>003-050815-
Niagara-Orleans-Monroe-
414 AM EDT Wed Apr 4 2018

...HIGH WIND WARNING IN EFFECT UNTIL 11 PM EDT THIS EVENING...

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

.DAY ONE...Today and Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   High Wind Warning.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

The probability for widespread hazardous weather is low.

.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

NYZ004>007-050815-
Wayne-Northern Cayuga-Oswego-Jefferson-
414 AM EDT Wed Apr 4 2018

...HIGH WIND WARNING IN EFFECT UNTIL 11 PM EDT THIS EVENING...
...LAKESHORE FLOOD WARNING IN EFFECT FROM 2 PM THIS AFTERNOON TO
2 AM EDT THURSDAY...

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

.DAY ONE...Today and Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   High Wind Warning.
   Lakeshore Flood Warning.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

The probability for widespread hazardous weather is low.

.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

NYZ013-014-020-021-050815-
Livingston-Ontario-Cattaraugus-Allegany-
414 AM EDT Wed Apr 4 2018

...HIGH WIND WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING...

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

.DAY ONE...Today and Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   High Wind Warning.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

The probability for widespread hazardous weather is low.

.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

NYZ008-050815-
Lewis-
414 AM EDT Wed Apr 4 2018

...HIGH WIND WARNING IN EFFECT UNTIL 11 PM EDT THIS EVENING...

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

.DAY ONE...Today and Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   High Wind Warning.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

The probability for widespread hazardous weather is low.

.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

LEZ040-041-050815-
Lake Erie nearshore waters from Ripley to Dunkirk-
Lake Erie nearshore waters from Dunkirk to Buffalo-
414 AM EDT Wed Apr 4 2018

...GALE WARNING IN EFFECT UNTIL 10 AM EDT THIS MORNING...
...STORM WARNING IN EFFECT FROM 10 AM THIS MORNING TO 5 PM EDT THIS
AFTERNOON...

This Hazardous Weather Outlook is for portions of Lake Erie.

.DAY ONE...Today and Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Gale Warning.
   Storm Warning.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

The probability for widespread hazardous weather is low.

.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

LOZ063>065-050815-
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-
414 AM EDT Wed Apr 4 2018

...GALE WARNING IN EFFECT FROM 8 AM THIS MORNING TO 1 PM EDT THIS
AFTERNOON...
...STORM WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM EDT THIS
EVENING...

This Hazardous Weather Outlook is for portions of Lake Ontario.

.DAY ONE...Today and Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Gale Warning.
   Storm Warning.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

The probability for widespread hazardous weather is low.

.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-LOZ030-050815-
Upper Niagara River and Buffalo Harbor-Lower Niagara River-
414 AM EDT Wed Apr 4 2018

...GALE WARNING IN EFFECT FROM 8 AM THIS MORNING TO 8 PM EDT THIS
EVENING...

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

.DAY ONE...Today and Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Gale Warning.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

The probability for widespread hazardous weather is low.

.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

SLZ022-024-050815-
Saint Lawrence River from Cape Vincent to Ogdensburg-
Saint Lawrence River from Ogdensburg to Saint Regis-
414 AM EDT Wed Apr 4 2018

...GALE WARNING IN EFFECT FROM 11 AM THIS MORNING TO 11 PM EDT THIS
EVENING...

This Hazardous Weather Outlook is for the New York waters of the
Saint Lawrence River.

.DAY ONE...Today and Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Gale Warning.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

The probability for widespread hazardous weather is low.

.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

LOZ042-062-050815-
Lake Ontario nearshore waters from the Niagara River to Hamlin Beach-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
414 AM EDT Wed Apr 4 2018

...GALE WARNING IN EFFECT FROM 8 AM THIS MORNING TO 11 PM EDT THIS
EVENING...

This Hazardous Weather Outlook is for portions of Lake Ontario.

.DAY ONE...Today and Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Gale Warning.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

The probability for widespread hazardous weather is low.

.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

LOZ043>045-050815-
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-
414 AM EDT Wed Apr 4 2018

...GALE WARNING IN EFFECT FROM 8 AM THIS MORNING TO 2 AM EDT
THURSDAY...

This Hazardous Weather Outlook is for portions of Lake Ontario.

.DAY ONE...Today and Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Gale Warning.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

The probability for widespread hazardous weather is low.

.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

JJR

In the hours before

Special weather statement, Apr 4, 4:31 AM EDT, 2 hours 5 minutes before
Special Weather Statement
National Weather Service Buffalo NY
431 AM EDT WED APR 4 2018

NYZ001-002-010>012-019-020-085-040930-
Chautauqua-Cattaraugus-Southern
Erie-Wyoming-Orleans-Genesee-Niagara-Northern Erie-
431 AM EDT WED APR 4 2018

...A LINE OF SHOWERS WILL AFFECT WESTERN WYOMING...CENTRAL
CATTARAUGUS...ERIE...SOUTHERN NIAGARA...SOUTHWESTERN ORLEANS...
EASTERN CHAUTAUQUA AND WESTERN GENESEE COUNTIES...

At 430 AM EDT, radar indicated an intensifying line of showers along
a line extending from 12 miles southwest of Grand Island to near
Silver Creek to Chautauqua Institute. Movement was northeast at 55
mph.

Brief wind gusts up to 50 mph are possible with these showers as
they move through the region.

Locations impacted include...
Buffalo, Cheektowaga, West Seneca, North Tonawanda, Clarence,
Lockport, Lackawanna, Kenmore, Depew and Amherst.

This includes the following highways...
 Interstate 90 between exits 59 and 48A.
 Interstate 86 between exits 7 and 10, and near exit 15.

LAT...LON 4210 7960 4238 7936 4253 7936 4259 7919
      4272 7909 4280 7892 4292 7890 4299 7901
      4307 7901 4308 7908 4309 7905 4328 7824
      4266 7827 4222 7845
TIME...MOT...LOC 0830Z 245DEG 48KT 4291 7917 4249 7919 4222 7945

JJR
Special weather statement, Apr 4, 5:26 AM EDT, 1 hour 10 minutes before
Special Weather Statement
National Weather Service Buffalo NY
526 AM EDT WED APR 4 2018

NYZ002-003-010>013-019>021-085-041030-
Chautauqua-Cattaraugus-Allegany-Livingston-Southern
Erie-Wyoming-Orleans-Genesee-Monroe-Northern Erie-
526 AM EDT WED APR 4 2018

...A LINE OF SHOWERS WILL AFFECT WYOMING...CATTARAUGUS...SOUTHEASTERN
ERIE...LIVINGSTON...SOUTHERN ORLEANS...SOUTHEASTERN CHAUTAUQUA...
WESTERN ALLEGANY...MONROE AND GENESEE COUNTIES...

At 525 AM EDT, radar indicated a narrow line of showers along a cold
front...located along a line extending from 7 miles northwest of
Oakfield to near Ashford Hollow to near Jamestown West. Movement was
east at 45 mph.

Brief wind gusts up to 50 mph are possible with these showers as
they move through the area.

Locations impacted include...
Rochester, Greece, Irondequoit, Jamestown, Chili, Batavia, Olean,
Brockport, Geneseo and East Rochester.

This includes the following highways...
 Interstate 390 between exits 6 and 12.
 Interstate 90 between exits 48A and 46.
 Interstate 86 between exits 13 and 31.

LAT...LON 4200 7935 4232 7897 4241 7879 4266 7853
      4316 7846 4339 7777 4328 7754 4331 7741
      4295 7748 4294 7758 4286 7755 4269 7771
      4200 7815
TIME...MOT...LOC 0925Z 249DEG 38KT 4311 7840 4269 7844 4244 7870 4235
7889 4201 7930

JJR
Special weather statement, Apr 4, 6:36 AM EDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Apr 4, 12:33 AM EDTSpecial Weather StatementBUFAllegany, Cattaraugus, Wyoming57 min
Apr 4, 4:14 AM EDTStorm WarningBUF12 hr
Apr 4, 4:31 AM EDTSpecial Weather StatementBUFCattaraugus, Chautauqua, Erie59 min
Apr 4, 5:26 AM EDTSpecial Weather StatementBUFAllegany, Cattaraugus, Genesee, Livingston, Monroe, Wyoming64 min
Apr 4, 11:23 AM EDTFlash Flood WatchBUFErie, Niagara23 hr
Apr 4, 3:57 PM EDTGale WarningBUF10 hr
Apr 4, 7:09 PM EDTSmall Craft AdvisoryBUF25 hr
Apr 4, 7:43 PM EDTSpecial Weather StatementBUFLewis, Oswego62 min
Apr 4, 7:47 PM EDTSpecial Weather StatementBUFAllegany, Cattaraugus, Chautauqua88 min

Nearby

Special Weather Statements in New York, 2018Every special weather statement in 2018

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.