Alert archive / New York / Lake Effect Snow Advisories in 2011
Lake Effect Snow Advisory 13, NWS Buffalo, NY
NWS Buffalo, NY issued this lake effect snow advisory at Feb 12, 2011, 8:41 AM EST for 5 counties in New York. It was in force for 18 hr.
The area
The counties it named.
The facts
- Issued
- Feb 12, 2011, 8:41 AM EST (13:41 UTC)
- Expired
- Feb 13, 2011, 3:00 AM EST
- In force
- 18 hr
- Issued by
- NWS Buffalo, NY
Counties Cayuga County, NY, Jefferson County, NY, Lewis County, NY, Oswego County, NY, Wayne County, NY
The radar
The Ft Drum radar (KTYX), 56 km from the middle of the area, began a volume at 13:43 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, 1.7 hours before the alert went out and 207 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 537 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 69 m²/s²
- 0-3 km storm-relative helicity
- 138 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
839 WWUS41 KBUF 121341 WSWBUF URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE BUFFALO NY 841 AM EST SAT FEB 12 2011 NYZ007-008-121900- /O.NEW.KBUF.LE.Y.0013.110212T1341Z-110212T1900Z/ JEFFERSON-LEWIS- INCLUDING THE CITIES OF...WATERTOWN...LOWVILLE 841 AM EST SAT FEB 12 2011 ...LAKE EFFECT SNOW ADVISORY IN EFFECT UNTIL 2 PM EST THIS AFTERNOON... THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A LAKE EFFECT SNOW ADVISORY...WHICH IS IN EFFECT UNTIL 2 PM EST THIS AFTERNOON. * LOCATIONS...JEFFERSON AND LEWIS COUNTIES MAINLY SOUTH AND EAST OF WATERTOWN. * TIMING...THROUGH EARLY AFTERNOON. * ACCUMULATIONS...SNOWFALL RATES OF 1 TO 2 INCHES PER HOUR FOR A BRIEF TIME. 4 TO 6 INCHES TOTAL IN PERSISTENT BANDS. * WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS TO 35 MPH PRODUCING SIGNIFICANT BLOWING AND DRIFTING SNOW. * VISIBILITIES...LESS THAN A QUARTER MILE AT TIMES. * IMPACTS...SNOW COVERED ROADS AND VERY POOR VISIBILITY AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... IN LAKE EFFECT SNOW THE WEATHER CAN VARY FROM LOCALLY HEAVY SNOW IN NARROW BANDS TO CLEAR SKIES JUST A FEW MILES AWAY. IF YOU WILL BE TRAVELING ACROSS THE REGION BE PREPARED FOR RAPID CHANGES IN ROAD AND VISIBILITY CONDITIONS. STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE SOURCE OF WEATHER INFORMATION FOR THE LATEST UPDATES. ADDITIONAL DETAILS CAN ALSO BE FOUND AT WWW.WEATHER.GOV/BUFFALO. && $$ NYZ006-122145- /O.NEW.KBUF.LE.Y.0013.110212T1341Z-110213T0300Z/ OSWEGO- INCLUDING THE CITY OF...OSWEGO 841 AM EST SAT FEB 12 2011 ...LAKE EFFECT SNOW ADVISORY IN EFFECT UNTIL 10 PM EST THIS EVENING... THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A LAKE EFFECT SNOW ADVISORY...WHICH IS IN EFFECT UNTIL 10 PM EST THIS EVENING. * LOCATIONS...OSWEGO COUNTY. * TIMING...THROUGH THIS EVENING. LAKE EFFECT SNOW MOVING SOUTH ACROSS THE COUNTY FROM LATE MORNING THROUGH THE EARLY EVENING. * ACCUMULATIONS...SNOWFALL RATES OF 1 TO 2 INCHES PER HOUR FOR A BRIEF TIME. 4 TO 6 INCHES TOTAL IN PERSISTENT BANDS. * WINDS...SOUTHWEST 15 TO 25 MPH GUSTING TO 35 MPH PRODUCING SIGNIFICANT BLOWING AND DRIFTING SNOW. * VISIBILITIES...LESS THAN A QUARTER MILE AT TIMES. * IMPACTS...SNOW COVERED ROADS AND VERY POOR VISIBILITY AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... IN LAKE EFFECT SNOW THE WEATHER CAN VARY FROM LOCALLY HEAVY SNOW IN NARROW BANDS TO CLEAR SKIES JUST A FEW MILES AWAY. IF YOU WILL BE TRAVELING ACROSS THE REGION BE PREPARED FOR RAPID CHANGES IN ROAD AND VISIBILITY CONDITIONS. STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE SOURCE OF WEATHER INFORMATION FOR THE LATEST UPDATES. ADDITIONAL DETAILS CAN ALSO BE FOUND AT WWW.WEATHER.GOV/BUFFALO. && $$ HITCHCOCK/APFFEL
4 follow-up statements
158 WWUS41 KBUF 121852 WSWBUF URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE BUFFALO NY 152 PM EST SAT FEB 12 2011 NYZ007-008-122000- /O.CAN.KBUF.LE.Y.0013.000000T0000Z-110212T1900Z/ JEFFERSON-LEWIS- INCLUDING THE CITIES OF...WATERTOWN...LOWVILLE 152 PM EST SAT FEB 12 2011 ...LAKE EFFECT SNOW ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN BUFFALO HAS CANCELLED THE LAKE EFFECT SNOW ADVISORY. SNOWFALL HAS TAPERED OFF ACROSS THE REGION TO JUST SNOW SHOWERS. $$ NYZ006-130300- /O.CON.KBUF.LE.Y.0013.000000T0000Z-110213T0300Z/ OSWEGO- INCLUDING THE CITY OF...OSWEGO 152 PM EST SAT FEB 12 2011 ...LAKE EFFECT SNOW ADVISORY REMAINS IN EFFECT UNTIL 10 PM EST THIS EVENING... A LAKE EFFECT SNOW ADVISORY REMAINS IN EFFECT UNTIL 10 PM EST THIS EVENING. * LOCATIONS...OSWEGO COUNTY. * TIMING...LAKE EFFECT SNOW BANDS WILL RE-DEVELOP LATE AFTERNOON AND LAST INTO THIS EVENING. * ACCUMULATIONS...AN ADDTIONAL 3 TO 5 INCHES IS POSSIBLE LATE AFTERNOON THROUGH THIS EVENING IN MOST PERSISTENT SNOWS. * WINDS...SOUTHWEST 15 TO 25 MPH GUSTING TO 35 MPH PRODUCING SIGNIFICANT BLOWING AND DRIFTING SNOW. * VISIBILITIES...LESS THAN A QUARTER MILE AT TIMES. * IMPACTS...SNOW COVERED ROADS AND VERY POOR VISIBILITY AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... IN LAKE EFFECT SNOW THE WEATHER CAN VARY FROM LOCALLY HEAVY SNOW IN NARROW BANDS TO CLEAR SKIES JUST A FEW MILES AWAY. IF YOU WILL BE TRAVELING ACROSS THE REGION BE PREPARED FOR RAPID CHANGES IN ROAD AND VISIBILITY CONDITIONS. STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE SOURCE OF WEATHER INFORMATION FOR THE LATEST UPDATES. ADDITIONAL DETAILS CAN ALSO BE FOUND AT WWW.WEATHER.GOV/BUFFALO. && $$ APFFEL
805 WWUS41 KBUF 122034 WSWBUF URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE BUFFALO NY 334 PM EST SAT FEB 12 2011 NYZ004-005-130500- /O.EXB.KBUF.LE.Y.0013.000000T0000Z-110213T0500Z/ WAYNE-NORTHERN CAYUGA- INCLUDING THE CITIES OF...NEWARK...FAIR HAVEN 334 PM EST SAT FEB 12 2011 ...LAKE EFFECT SNOW ADVISORY IN EFFECT UNTIL MIDNIGHT EST TONIGHT... THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A LAKE EFFECT SNOW ADVISORY...WHICH IS IN EFFECT UNTIL MIDNIGHT EST TONIGHT. * LOCATIONS...NORTHERN PORTIONS OF WAYNE AND CAYUGA COUNTIES...MAINLY NORTH OF SODUS AND CATO. * TIMING...LATE AFTERNOON THROUGH THIS EVENING. * ACCUMULATIONS...3 TO 5 INCHES IN MOST PERSISTENT SNOWS. * WINDS...WEST WINDS OF 15 TO 25 MPH WILL PRODUCE SOME BLOWING AND DRIFTING SNOW. * VISIBILITIES...LESS THAN A QUARTER MILE AT TIMES. * IMPACTS...SNOW COVERED ROADS AND VERY POOR VISIBILITY AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... IN LAKE EFFECT SNOW THE WEATHER CAN VARY FROM LOCALLY HEAVY SNOW IN NARROW BANDS TO CLEAR SKIES JUST A FEW MILES AWAY. IF YOU WILL BE TRAVELING ACROSS THE REGION BE PREPARED FOR RAPID CHANGES IN ROAD AND VISIBILITY CONDITIONS. STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE SOURCE OF WEATHER INFORMATION FOR THE LATEST UPDATES. ADDITIONAL DETAILS CAN ALSO BE FOUND AT WWW.WEATHER.GOV/BUFFALO. && $$ NYZ006-130500- /O.EXT.KBUF.LE.Y.0013.000000T0000Z-110213T0500Z/ OSWEGO- INCLUDING THE CITY OF...OSWEGO 334 PM EST SAT FEB 12 2011 ...LAKE EFFECT SNOW ADVISORY NOW IN EFFECT UNTIL MIDNIGHT EST TONIGHT... THE LAKE EFFECT SNOW ADVISORY IS NOW IN EFFECT UNTIL MIDNIGHT EST TONIGHT. * LOCATIONS...OSWEGO COUNTY. * TIMING...A LAKE EFFECT BAND WILL LIFT FROM SOUTH TO NORTH ACROSS OSWEGO COUNTY THIS EVENING. * ACCUMULATIONS...AN ADDITIONAL 3 TO 5 INCHES THIS EVENING IN MOST PERSISTENT SNOWS. * WINDS...WEST WINDS OF 15 TO 25 MPH WILL PRODUCE SOME BLOWING AND DRIFTING SNOW. * VISIBILITIES...LESS THAN A QUARTER MILE AT TIMES. * IMPACTS...SNOW COVERED ROADS AND VERY POOR VISIBILITY AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... IN LAKE EFFECT SNOW THE WEATHER CAN VARY FROM LOCALLY HEAVY SNOW IN NARROW BANDS TO CLEAR SKIES JUST A FEW MILES AWAY. IF YOU WILL BE TRAVELING ACROSS THE REGION BE PREPARED FOR RAPID CHANGES IN ROAD AND VISIBILITY CONDITIONS. STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE SOURCE OF WEATHER INFORMATION FOR THE LATEST UPDATES. ADDITIONAL DETAILS CAN ALSO BE FOUND AT WWW.WEATHER.GOV/BUFFALO. && $$ APFFEL
516 WWUS41 KBUF 130236 WSWBUF URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE BUFFALO NY 936 PM EST SAT FEB 12 2011 NYZ004-005-130345- /O.CAN.KBUF.LE.Y.0013.000000T0000Z-110213T0500Z/ WAYNE-NORTHERN CAYUGA- INCLUDING THE CITIES OF...NEWARK...FAIR HAVEN 936 PM EST SAT FEB 12 2011 ...LAKE EFFECT SNOW ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN BUFFALO HAS CANCELLED THE LAKE EFFECT SNOW ADVISORY. THE STEADIER LAKE SNOWS HAVE LIFTED NORTH OF THE AREA. THEREFORE...THE LAKE EFFECT SNOW ADVISORY HAS BEEN CANCELLED. $$ NYZ006-130800- /O.EXT.KBUF.LE.Y.0013.000000T0000Z-110213T0800Z/ OSWEGO- INCLUDING THE CITY OF...OSWEGO 936 PM EST SAT FEB 12 2011 ...LAKE EFFECT SNOW ADVISORY NOW IN EFFECT UNTIL 3 AM EST SUNDAY... THE LAKE EFFECT SNOW ADVISORY IS NOW IN EFFECT UNTIL 3 AM EST SUNDAY. * LOCATIONS...OSWEGO COUNTY. * TIMING...A LAKE EFFECT BAND WILL LIFT NORTH ACROSS THE COUNTY TONIGHT. * ACCUMULATIONS...AN ADDITIONAL 2 TO 4 INCHES IN THE MOST PERSISTENT SNOWS. * VISIBILITIES...LESS THAN A QUARTER MILE AT TIMES. * IMPACTS...SNOW COVERED ROADS AND VERY POOR VISIBILITY AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... IN LAKE EFFECT SNOW THE WEATHER CAN VARY FROM LOCALLY HEAVY SNOW IN NARROW BANDS TO CLEAR SKIES JUST A FEW MILES AWAY. IF YOU WILL BE TRAVELING ACROSS THE REGION BE PREPARED FOR RAPID CHANGES IN ROAD AND VISIBILITY CONDITIONS. STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE SOURCE OF WEATHER INFORMATION FOR THE LATEST UPDATES. ADDITIONAL DETAILS CAN ALSO BE FOUND AT WWW.WEATHER.GOV/BUFFALO. && $$ TJP
443 WWUS41 KBUF 130801 WSWBUF URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE BUFFALO NY 301 AM EST SUN FEB 13 2011 NYZ006-130915- /O.EXP.KBUF.LE.Y.0013.000000T0000Z-110213T0800Z/ OSWEGO- INCLUDING THE CITY OF...OSWEGO 301 AM EST SUN FEB 13 2011 ...LAKE EFFECT SNOW ADVISORY HAS EXPIRED... THE LAKE EFFECT SNOW ADVISORY IS NO LONGER IN EFFECT. THE LAKE EFFECT SNOW HAS ENDED...THEREFORE THE LAKE EFFECT SNOW ADVISORY HAS BEEN ALLOWED TO EXPIRE. $$ JJR
Nearby
Lake Effect Snow Advisories in New York, 2011Every lake effect snow advisory in 2011
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.