Alert archive / New York / Winter Storm Watches in 2011
Winter Storm Watch 2, NWS Buffalo, NY
NWS Buffalo, NY issued this winter storm watch at Feb 19, 2011, 9:55 PM EST for 7 counties in New York. It took effect at Feb 20, 2011, 6:00 PM EST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Feb 19, 2011, 9:55 PM EST (02:55 UTC)
- In effect from
- Feb 20, 2011, 6:00 PM EST
- Expired
- Feb 20, 2011, 4:06 AM EST
- In force
- Issued by
- NWS Buffalo, NY
Counties Allegany County, NY, Cattaraugus County, NY, Chautauqua County, NY, Erie County, NY, Livingston County, NY, Ontario County, NY, Wyoming County, NY
The radar
The Buffalo radar (KBUF), 56 km from the middle of the area, began a volume at 03:00 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, 2.9 hours before the alert went out and 53 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
- 780 m above ground
- 0-6 km bulk shear
- 76 kt
- 0-1 km storm-relative helicity
- 92 m²/s²
- 0-3 km storm-relative helicity
- 1 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
176 WWUS41 KBUF 200255 WSWBUF URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE BUFFALO NY 955 PM EST SAT FEB 19 2011 NYZ012>014-019>021-085-201100- /O.NEW.KBUF.WS.A.0002.110220T2300Z-110221T1500Z/ WYOMING-LIVINGSTON-ONTARIO-CHAUTAUQUA-CATTARAUGUS-ALLEGANY- SOUTHERN ERIE- INCLUDING THE CITIES OF...WARSAW...GENESEO...CANANDAIGUA... JAMESTOWN...OLEAN...WELLSVILLE...ORCHARD PARK...SPRINGVILLE 955 PM EST SAT FEB 19 2011 ...WINTER STORM WATCH IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY MORNING... THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A WINTER STORM WATCH...WHICH IS IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY MORNING. * LOCATIONS...SOUTHERN ERIE...WYOMING...LIVINGSTON...ONTARIO... CHAUTAUQUA...CATTARAUGUS AND ALLEGANY COUNTIES. * TIMING...SUNDAY NIGHT INTO MONDAY MORNING. * HAZARDS...MODERATE TO HEAVY SNOW. CHANCE FOR SOME SLEET NEAR THE PENNSYLVANIA BORDER. * ACCUMULATIONS...6 INCHES OR MORE OF SNOW POSSIBLE. * WINDS...EAST TO SOUTHEAST AT 10 TO 20 MPH. * VISIBILITIES...UNDER A HALF MILE DURING HEAVIER SNOWFALL. * TEMPERATURES...GENERALLY IN THE MID TO UPPER 20S. * IMPACTS...VERY DIFFICULT DRIVING CONDITIONS. * FORECASTER CONFIDENCE...MEDIUM TO HIGH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THAT HEAVY SNOW AND/OR ICE ACCUMULATIONS ARE POSSIBLE. IF YOU ARE WITHIN THE WATCH AREA... REMAIN ALERT TO RAPIDLY CHANGING WEATHER 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. && $$ RSH/JJR
1 follow-up statement
982 WWUS41 KBUF 200906 WSWBUF URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE BUFFALO NY 406 AM EST SUN FEB 20 2011 NYZ019>021-201715- /O.UPG.KBUF.WS.A.0002.110220T2300Z-110221T1500Z/ /O.NEW.KBUF.WW.Y.0009.110221T0000Z-110221T1600Z/ CHAUTAUQUA-CATTARAUGUS-ALLEGANY- INCLUDING THE CITIES OF...JAMESTOWN...OLEAN...WELLSVILLE 406 AM EST SUN FEB 20 2011 ...WINTER WEATHER ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 11 AM EST MONDAY... THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND A WINTRY MIX...WHICH IS IN EFFECT FROM 7 PM THIS EVENING TO 11 AM EST MONDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * LOCATIONS...WESTERN SOUTHERN TIER. * TIMING...SUNDAY EVENING THROUGH LATE MONDAY MORNING. HEAVIEST PRECIPITATION FROM MID EVENING SUNDAY THROUGH DAYBREAK MONDAY. * HAZARDS...MODERATE TO HEAVY SNOW. SLEET AND FREEZING RAIN WILL MIX IN NEAR THE PENNSYLVANIA STATE LINE. * ACCUMULATIONS...4 TO 7 INCHES OF SNOW WITH THE GREATEST AMOUNTS OVER NORTHERN SECTIONS. A TENTH TO A QUARTER INCH OF ICE ACCUMULATION WITH THE GREATEST AMOUNTS NEAR THE PENNSYLVANIA STATE LINE. * WINDS...SOUTHEAST AT 10 TO 15 MPH TONIGHT BECOMING NORTHEAST ON MONDAY. * VISIBILITIES...LESS THAN A HALF MILE DURING HEAVIER SNOWFALL. * IMPACTS...DIFFICULT DRIVING CONDITIONS WITH SNOW AND ICE COVERED ROADS ALONG WITH POOR VISIBILITY AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY IS NORMALLY ISSUED FOR A VARIETY OF WINTER WEATHER CONDITIONS SUCH AS LIGHT SNOW...BLOWING SNOW... SLEET...AND FREEZING RAIN. WHILE THE WEATHER WILL BE SIGNIFICANT THE WORD ADVISORY IMPLIES THAT SEVERE WINTER WEATHER IS NOT ANTICIPATED. STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE SOURCE OF WEATHER INFORMATION FOR THE LATEST UPDATES. ADDITIONAL DETAILS CAN ALSO BE FOUND AT WWW.WEATHER.GOV/BUFFALO. && $$ NYZ012>014-085-201715- /O.UPG.KBUF.WS.A.0002.110220T2300Z-110221T1500Z/ /O.NEW.KBUF.WW.Y.0009.110221T0000Z-110221T1600Z/ WYOMING-LIVINGSTON-ONTARIO-SOUTHERN ERIE- INCLUDING THE CITIES OF...WARSAW...GENESEO...CANANDAIGUA... ORCHARD PARK...SPRINGVILLE 406 AM EST SUN FEB 20 2011 ...WINTER WEATHER ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 11 AM EST MONDAY... THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 7 PM THIS EVENING TO 11 AM EST MONDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * LOCATIONS...NIAGARA FRONTIER...GENESEE VALLEY...AND WESTERN FINGER LAKES. * TIMING...SUNDAY EVENING THROUGH LATE MONDAY MORNING. HEAVIEST PRECIPITATION FROM MID EVENING SUNDAY THROUGH DAYBREAK MONDAY. * HAZARDS...MODERATE TO HEAVY SNOW. * ACCUMULATIONS...4 TO 7 INCHES WITH THE GREATEST AMOUNTS ACROSS THE HIGHER TERRAIN SOUTH OF BUFFALO AND ROCHESTER. * WINDS...NORTHEAST INCREASING TO 10 TO 20 MPH LATER TONIGHT AND MONDAY. GUSTS UP TO 35 MPH NEAR LAKE ONTARIO. * VISIBILITIES...LESS THAN A HALF MILE DURING HEAVIER SNOWFALL. * IMPACTS...DIFFICULT DRIVING CONDITIONS WITH SNOW COVERED ROADS AND POOR VISIBILITY AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY IS NORMALLY ISSUED FOR A VARIETY OF WINTER WEATHER CONDITIONS SUCH AS LIGHT SNOW...BLOWING SNOW... SLEET...AND FREEZING RAIN. WHILE THE WEATHER WILL BE SIGNIFICANT THE WORD ADVISORY IMPLIES THAT SEVERE WINTER WEATHER IS NOT ANTICIPATED. 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. && $$ NYZ001>003-010-011-201715- /O.NEW.KBUF.WW.Y.0009.110221T0000Z-110221T1600Z/ NIAGARA-ORLEANS-MONROE-NORTHERN ERIE-GENESEE- INCLUDING THE CITIES OF...NIAGARA FALLS...MEDINA...ROCHESTER... BUFFALO...BATAVIA 406 AM EST SUN FEB 20 2011 ...WINTER WEATHER ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 11 AM EST MONDAY... THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 7 PM THIS EVENING TO 11 AM EST MONDAY. * LOCATIONS...NIAGARA FRONTIER...GENESEE VALLEY...AND WESTERN FINGER LAKES. * TIMING...SUNDAY EVENING THROUGH LATE MONDAY MORNING. HEAVIEST PRECIPITATION FROM MID EVENING SUNDAY THROUGH DAYBREAK MONDAY. * HAZARDS...MODERATE TO HEAVY SNOW. * ACCUMULATIONS...4 TO 7 INCHES WITH THE GREATEST AMOUNTS ACROSS THE HIGHER TERRAIN SOUTH OF BUFFALO AND ROCHESTER. * WINDS...NORTHEAST INCREASING TO 10 TO 20 MPH LATER TONIGHT AND MONDAY. GUSTS UP TO 35 MPH NEAR LAKE ONTARIO. * VISIBILITIES...LESS THAN A HALF MILE DURING HEAVIER SNOWFALL. * IMPACTS...DIFFICULT DRIVING CONDITIONS WITH SNOW COVERED ROADS AND POOR VISIBILITY AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY IS NORMALLY ISSUED FOR A VARIETY OF WINTER WEATHER CONDITIONS SUCH AS LIGHT SNOW...BLOWING SNOW... SLEET...AND FREEZING RAIN. WHILE THE WEATHER WILL BE SIGNIFICANT THE WORD ADVISORY IMPLIES THAT SEVERE WINTER WEATHER IS NOT ANTICIPATED. STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE SOURCE OF WEATHER INFORMATION FOR THE LATEST UPDATES. ADDITIONAL DETAILS CAN ALSO BE FOUND AT WWW.WEATHER.GOV/BUFFALO. && $$ NYZ004>006-201715- /O.NEW.KBUF.WW.Y.0009.110221T0300Z-110221T1600Z/ WAYNE-NORTHERN CAYUGA-OSWEGO- INCLUDING THE CITIES OF...NEWARK...FAIR HAVEN...OSWEGO 406 AM EST SUN FEB 20 2011 ...WINTER WEATHER ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 11 AM EST MONDAY... THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 10 PM THIS EVENING TO 11 AM EST MONDAY. * LOCATIONS...WAYNE...NORTHERN CAYUGA...AND OSWEGO COUNTIES. * TIMING...LATE SUNDAY EVENING THROUGH LATE MONDAY MORNING. HEAVIEST PRECIPITATION FROM MIDNIGHT TO DAYBREAK MONDAY. * HAZARDS...MODERATE SNOW. * ACCUMULATIONS...3 TO 6 INCHES. * WINDS...NORTHEAST INCREASING TO 10 TO 20 MPH LATER TONIGHT AND MONDAY. GUSTS UP TO 35 MPH NEAR LAKE ONTARIO. * VISIBILITIES...LESS THAN A HALF MILE DURING HEAVIER SNOWFALL. * IMPACTS...DIFFICULT DRIVING CONDITIONS WITH SNOW COVERED ROADS AND POOR VISIBILITY AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY IS NORMALLY ISSUED FOR A VARIETY OF WINTER WEATHER CONDITIONS SUCH AS LIGHT SNOW...BLOWING SNOW... SLEET...AND FREEZING RAIN. WHILE THE WEATHER WILL BE SIGNIFICANT THE WORD ADVISORY IMPLIES THAT SEVERE WINTER WEATHER IS NOT ANTICIPATED. 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
The office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 19, 9:56 PM EST | Small Craft Advisory | BUF | 12 hr | |
| Feb 20, 4:06 AM EST | Winter Weather Advisory | BUF | Allegany, Cattaraugus, Cayuga, Chautauqua, Erie, Genesee and 8 more | 27 hr |
| Feb 20, 2:54 PM EST | Small Craft Advisory | BUF | 43 hr | |
| Feb 20, 3:03 PM EST | Winter Storm Warning | BUF | Allegany, Cattaraugus, Chautauqua | 17 hr |
Nearby
Winter Storm Watches in New York, 2011Every winter storm watch 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.