Alert archive / New York / Snow Squall Warnings in 2021
Snow Squall Warning 1, NWS Buffalo, NY
NWS Buffalo, NY issued this snow squall warning at Mar 1, 2021, 1:41 PM EST for 6 counties in New York. It was in force for 49 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
- Mar 1, 2021, 1:41 PM EST (18:41 UTC)
- Expired
- Mar 1, 2021, 2:30 PM EST
- In force
- 49 min
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
Counties Erie County, NY, Genesee County, NY, Livingston County, NY, Monroe County, NY, Niagara County, NY, Orleans County, NY
The radar
The Buffalo radar (KBUF), 54 km from the middle of the area, began a volume at 18:44 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, 6.7 hours before the alert went out and 52 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
- 737 m above ground
- 0-6 km bulk shear
- 101 kt
- 0-1 km storm-relative helicity
- -176 m²/s²
- 0-3 km storm-relative helicity
- -39 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
556
WWUS51 KBUF 011842
SQWBUF
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Snow Squall Warning
National Weather Service Buffalo NY
141 PM EST Mon Mar 1 2021
NYC029-037-051-055-063-073-011930-
/O.NEW.KBUF.SQ.W.0001.210301T1841Z-210301T1930Z/
Erie NY-Livingston NY-Niagara NY-Orleans NY-Genesee NY-Monroe NY-
141 PM EST Mon Mar 1 2021
The National Weather Service in Buffalo has issued a
* Snow Squall Warning for...
Northeastern Erie County in western New York...
North central Livingston County in western New York...
Southeastern Niagara County in western New York...
Southern Orleans County in western New York...
Genesee County in western New York...
Monroe County in western New York...
* Until 230 PM EST.
* At 141 PM EST, a developing snow squall was located along a line
extending from near Brockport to near Medina to near North
Tonawanda, moving east southeast at 30 mph.
HAZARD...Poor visibility in heavy snow and blowing snow. Wind
gusts greater than 35 mph.
SOURCE...Radar indicated.
IMPACT...Dangerous life-threatening travel.
* This includes the following highways...
Interstate 390 between exits 11 and 12.
Interstate 90 between exits 54 and 46.
Locations impacted include...
Buffalo, Rochester, Greece, Cheektowaga, Irondequoit, West Seneca,
North Tonawanda, Clarence, Chili and Lockport.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Reduce your speed and turn on headlights! During snow squalls, the
visibility may suddenly drop to near zero in whiteout conditions.
&&
LAT...LON 4335 7774 4306 7740 4292 7803 4283 7885
4313 7891
TIME...MOT...LOC 1841Z 289DEG 28KT 4325 7794 4314 7841 4307 7883
$$
RSH1 follow-up statement
941
WWUS51 KBUF 011924
SQWBUF
Snow Squall Warning
National Weather Service Buffalo NY
224 PM EST Mon Mar 1 2021
NYC029-037-051-055-063-073-011934-
/O.EXP.KBUF.SQ.W.0001.000000T0000Z-210301T1930Z/
Erie NY-Livingston NY-Niagara NY-Orleans NY-Genesee NY-Monroe NY-
224 PM EST Mon Mar 1 2021
...THE SNOW SQUALL WARNING FOR NORTHEASTERN ERIE...NORTH CENTRAL
LIVINGSTON...SOUTHEASTERN NIAGARA...SOUTHERN ORLEANS...GENESEE AND
MONROE COUNTIES WILL EXPIRE AT 230 PM EST...
The snow squall which prompted the warning has weakened. Therefore,
the snow squall warning will be allowed to expire. Areas of blowing
snow and snow-covered roads will continue to make travel difficult.
LAT...LON 4335 7774 4306 7740 4292 7803 4283 7885
4313 7891
TIME...MOT...LOC 1924Z 289DEG 28KT 4314 7752 4303 7799 4297 7841
$$
RSHThe office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 1, 3:32 AM EST | Wind Chill Advisory | BUF | Lewis | 30 hr |
| Mar 1, 3:44 PM EST | Special Weather Statement | BUF | Allegany, Cattaraugus, Chautauqua, Genesee, Livingston, Monroe and 3 more | 46 min |
| Mar 1, 4:32 PM EST | Special Weather Statement | BUF | Allegany, Cattaraugus, Livingston, Ontario | 43 min |
Nearby
Snow Squall Warnings in New York, 2021Every snow squall warning in 2021
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.