Alert archive / New York / Lake Effect Snow Advisories in 2013

Lake Effect Snow Advisory 8, NWS Buffalo, NY

February 1, 20134 counties in New York

NWS Buffalo, NY issued this lake effect snow advisory at Feb 1, 2013, 3:51 PM EST for 4 counties in New York. It took effect at Feb 1, 2013, 10:00 PM EST. It was in force for 23 hr.

The area

The counties it named.

The facts

Issued
Feb 1, 2013, 3:51 PM EST (20:51 UTC)
In effect from
Feb 1, 2013, 10:00 PM EST
Expired
Feb 2, 2013, 8:36 PM EST
In force
23 hr
Issued by
NWS Buffalo, NY

Counties Genesee County, NY, Lewis County, NY, Niagara County, NY, Orleans County, NY

The radar

The Buffalo radar (KBUF), 98 km from the middle of the area, began a volume at 20:54 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, 8.9 hours before the alert went out and 96 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 2013-02-01Temperature 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 12:00Z on 2013-02-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 77 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
637 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
77 m²/s²
0-3 km storm-relative helicity
42 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this lake effect snow advisory 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 lake effect snow advisory went out at Feb 1, 10:47 AM EST, 5 hours 4 minutes earlier.

Area forecast discussion, Feb 1, 10:47 AM EST, 5 hours 4 minutes before
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Hazardous weather outlook, Feb 1, 5:19 AM EST, 10 hours 32 minutes before
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In the hours before

Special weather statement, Feb 1, 10:54 AM EST, 4 hours 57 minutes before
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Special weather statement, Feb 1, 12:32 PM EST, 3 hours 19 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
1232 PM EST FRI FEB 1 2013

NYZ012-020-021-085-011900-
WYOMING-CATTARAUGUS-ALLEGANY-SOUTHERN ERIE-
INCLUDING THE CITIES OF...WARSAW...OLEAN...WELLSVILLE...
ORCHARD PARK...SPRINGVILLE
1232 PM EST FRI FEB 1 2013

...MODERATE TO HEAVY LAKE EFFECT SNOW WILL CONTINUE EARLY THIS
AFTERNOON WELL SOUTH OF THE BUFFALO METRO AREA...

A PLUME OF MODERATE TO HEAVY LAKE EFFECT SNOW WILL EXTEND FROM
STURGEON POINT TO SILVER CREEK ALONG I-90...SOUTHEASTWARD TO
NORTHERN ALLEGANY COUNTY. THE HEAVIEST SNOW WILL IMPACT AREAS IN
AND AROUND BOSTON...SPRINGVILLE...DELEVAN...ARCADE...CENTERVILLE...
HOUGHTON...RUSHFORD...FRANKLINVILLE AND ANGELICA. SNOWFALL RATES
OF AN INCH PLUS PER HOUR CAN BE EXPECTED OVER THESE
AREAS THROUGH 2 PM...REDUCING VISIBILITIES TO A QUARTER MILE OR
LESS AT TIMES. SNOWFALL RATES WILL DROP OFF VERY RAPIDLY JUST
OUTSIDE THIS MAIN BAND OF SNOW.

TRAVEL ON PORTIONS OF I-90 FROM STURGEON POINT TO SILVER
CREEK...AND ALONG I-86 IN ALLEGANY COUNTY FROM ANGELICA
EASTWARD...WILL BE DIFFICULT. MOTORISTS SHOULD ALLOW EXTRA TIME
TO TRAVEL THROUGH THESE AREAS...AS THERE WILL BE SOME SLICK
SPOTS...ALONG WITH SOME SNOW COVERED SECONDARY ROADWAYS.

JAM
Special weather statement, Feb 1, 1:51 PM EST, 2 hours before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
151 PM EST FRI FEB 1 2013

NYZ012-020-021-085-012115-
WYOMING-CATTARAUGUS-ALLEGANY-SOUTHERN ERIE-
INCLUDING THE CITIES OF...WARSAW...OLEAN...WELLSVILLE...
ORCHARD PARK...SPRINGVILLE
151 PM EST FRI FEB 1 2013

...MODERATE TO HEAVY LAKE EFFECT SNOW WILL CONTINUE THIS
AFTERNOON...

A PLUME OF MODERATE TO HEAVY LAKE EFFECT SNOW WILL EXTEND FROM
STURGEON POINT...TO BOSTON...TO ARCADE...TO HOUGHTON AT 2 PM. THE
HEAVIEST SNOW WILL IMPACT AREAS IN AND AROUND BOSTON...
SPRINGVILLE...DELEVAN...ARCADE...CENTERVILLE...HOUGHTON AND
BIRDSALL. SNOWFALL RATES OF AN INCH TO AN INCH AND A HALF PER HOUR CAN
BE EXPECTED OVER THESE AREAS THROUGH 4 PM...REDUCING VISIBILITIES
TO A QUARTER MILE OR LESS AT TIMES. SNOWFALL RATES WILL DROP OFF
VERY RAPIDLY JUST OUTSIDE THIS MAIN BAND OF SNOW.

TRAVEL ON PORTIONS OF I-90 FROM HAMBURG TO SILVER
CREEK...AND ALONG I-86 IN ALLEGANY COUNTY FROM ANGELICA
EASTWARD...WILL BE DIFFICULT. MOTORISTS SHOULD ALLOW EXTRA TIME
TO TRAVEL THROUGH THESE AREAS...AS THERE WILL BE SOME SLICK
SPOTS...ALONG WITH SOME SNOW COVERED SECONDARY ROADWAYS.
Special weather statement, Feb 1, 2:29 PM EST, 1 hour 22 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
229 PM EST FRI FEB 1 2013

NYZ001-010-012215-
NIAGARA-NORTHERN ERIE-
INCLUDING THE CITIES OF...NIAGARA FALLS...BUFFALO
229 PM EST FRI FEB 1 2013

A BAND OF LAKE EFFECT SNOW STRETCHING FROM LEWISTON AND NIAGARA
FALLS TO LOCKPORT...WILL MOVE SOUTH INTO EXTREME NORTHERN ERIE
COUNTY FOR THE EVENING COMMUTE. SNOWFALL RATES OF UP TO AN INCH
PER HOUR CAN BE EXPECTED ACROSS NIAGARA FALLS...LOCKPORT...GRAND
ISLAND AND THE TONAWANDAS THIS AFTERNOON. THE SNOW WILL REDUCE
VISIBILITIES TO LESS THAN A QUARTER OF A MILE AT TIMES...AND
RESULT IN SLICK SPOTS ON ROADS. MOTORISTS ARE ENCOURAGED TO SLOW
DOWN AND ALLOW EXTRA TIME TO REACH THEIR DESTINATIONS.

NYZ004-005-012215-
WAYNE-NORTHERN CAYUGA-
INCLUDING THE CITIES OF...NEWARK...FAIR HAVEN
229 PM EST FRI FEB 1 2013

...LAKE EFFECT SNOW TO COAT AREA ROADS FOR THE EVENING COMMUTE...

A BAND OF LAKE EFFECT SNOW FROM SODUS TO CONQUEST WILL SLOWLY MOVE
NORTH THIS AFTERNOON....AND IMPACT WOLCOTT...CATO...PORT BAY AND
RED CREEK. SNOWFALL RATES OF UP TO AN INCH PER HOUR CAN BE EXPECTED IN
THIS AREA. THE SNOW WILL REDUCE VISIBILITIES TO LESS THAN A
QUARTER OF A MILE AT TIMES...AND RESULT IN SLICK SPOTS ON ROADS.
MOTORISTS ARE ENCOURAGED TO SLOW DOWN AND ALLOW EXTRA TIME TO
REACH THEIR DESTINATIONS.
Special weather statement, Feb 1, 3:13 PM EST, 38 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
313 PM EST FRI FEB 1 2013

NYZ019-012315-
CHAUTAUQUA-
INCLUDING THE CITY OF...JAMESTOWN
313 PM EST FRI FEB 1 2013

...MODERATE TO HEAVY LAKE EFFECT SNOW WILL CONTINUE THIS
AFTERNOON...

A PLUME OF MODERATE TO HEAVY LAKE EFFECT SNOW WILL EXTEND FROM
WESTFIELD TO JUST NORTH OF JAMESTOWN. THE HEAVIEST SNOW WILL IMPACT AREAS IN
AND AROUND RIPLEY...WESTFIELD...MAYVILLE...SINCLAIRVILLE AND GERRY.
SNOWFALL RATES OF AN INCH PER HOUR CAN BE EXPECTED OVER THESE
AREAS THROUGH 5 PM...REDUCING VISIBILITIES TO A QUARTER MILE OR
LESS AT TIMES. SNOWFALL RATES WILL DROP OFF VERY RAPIDLY JUST
OUTSIDE THIS MAIN BAND OF SNOW.

TRAVEL ON PORTIONS OF I-90 FROM THE PENNSYLVANIA STATE LINE TO HAMBURG...AND
ALONG I-86 FROM CHAUTAUQUA LAKE EAST...WILL BE DIFFICULT. MOTORISTS
SHOULD ALLOW EXTRA TIME TO TRAVEL THROUGH THESE AREAS...AS THERE
WILL BE SOME SLICK SPOTS...ALONG WITH SOME SNOW COVERED SECONDARY
ROADWAYS.
Special weather statement, Feb 1, 3:49 PM EST, 2 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
349 PM EST FRI FEB 1 2013

NYZ012-020-021-085-020015-
WYOMING-CATTARAUGUS-ALLEGANY-SOUTHERN ERIE-
INCLUDING THE CITIES OF...WARSAW...OLEAN...WELLSVILLE...
ORCHARD PARK...SPRINGVILLE
349 PM EST FRI FEB 1 2013

...MODERATE TO HEAVY LAKE EFFECT SNOW WILL CONTINUE LATE THIS
AFTERNOON...

A PLUME OF MODERATE TO HEAVY LAKE EFFECT SNOW WILL EXTEND FROM
LAKE ERIE BEACH...TO NORTH COLLINS...TO ARCADE...TO CENTERVILLE AT
4 PM. THE HEAVIEST SNOW WILL IMPACT AREAS IN AND AROUND BOSTON...
NORTH COLLINS...SPRINGVILLE...DELEVAN...ARCADE...CENTERVILLE...HOUGHTON AND
BIRDSALL. ADDITIONAL LAKE BANDS ARE PRESENT ACROSS NORTHERN AND
CENTRAL CATTARAUGUS AND ALLEGANY COUNTIES. SNOWFALL RATES OF AN INCH TO AN
INCH AND A HALF PER HOUR CAN BE EXPECTED OVER THESE AREAS THROUGH
7 PM...REDUCING VISIBILITIES TO A QUARTER MILE OR LESS AT TIMES.
SNOWFALL RATES WILL DROP OFF VERY RAPIDLY JUST OUTSIDE THIS MAIN
BAND OF SNOW.

TRAVEL ON PORTIONS OF I-90 FROM HAMBURG TO THE PENNSYLVANIA STATE LINE...AND
ALONG I-86...WILL BE DIFFICULT. MOTORISTS SHOULD ALLOW EXTRA TIME
TO TRAVEL THROUGH THESE AREAS...AS THERE WILL BE SOME SLICK
SPOTS...ALONG WITH SOME SNOW COVERED SECONDARY ROADWAYS.

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 1, 5:48 PM ESTLake Effect Snow WarningBUFErie10 hr

Nearby

Lake Effect Snow Advisories in New York, 2013Every lake effect snow advisory in 2013

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.