Alert archive / New York / Snow Squall Warnings in 2019
Snow Squall Warning 9, NWS Buffalo, NY
NWS Buffalo, NY issued this snow squall warning at Dec 18, 2019, 11:41 AM EST for Cayuga County, Ontario County, Wayne County, New York. It was in force for 64 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
- Dec 18, 2019, 11:41 AM EST (16:41 UTC)
- Expired
- Dec 18, 2019, 12:45 PM EST
- In force
- 64 min
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
Counties Cayuga County, NY, Ontario County, NY, Wayne County, NY
The radar
The Ft Drum radar (KTYX), 119 km from the middle of the area, began a volume at 16:45 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, 4.7 hours before the alert went out and 153 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
- 1343 m above ground
- 0-6 km bulk shear
- 75 kt
- 0-1 km storm-relative helicity
- -86 m²/s²
- 0-3 km storm-relative helicity
- 42 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
393
WWUS51 KBUF 181641
SQWBUF
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Snow Squall Warning
National Weather Service Buffalo NY
1141 AM EST Wed Dec 18 2019
NYC011-069-117-181745-
/O.NEW.KBUF.SQ.W.0009.191218T1641Z-191218T1745Z/
Wayne NY-Cayuga NY-Ontario NY-
1141 AM EST Wed Dec 18 2019
The National Weather Service in Buffalo has issued a
* Snow Squall Warning for...
Southern Wayne County in western New York...
Cayuga County in central New York...
Northeastern Ontario County in western New York...
* Until 1245 PM EST.
* At 1141 AM EST, a dangerous snow squall was located along a line
extending from near Webster to near Cato, moving east at 30 mph.
HAZARD...Extremely poor visibility in heavy snow and blowing snow.
Wind gusts up to 30 mph.
SOURCE...Radar indicated.
IMPACT...Dangerous life-threatening travel.
* This includes Interstate 90 between exits 43 and 40.
Locations impacted include...
Newark, Marion, Lyons, Palmyra, Clifton Springs, Clyde, Phelps,
Weedsport, Cato and Rose.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Consider avoiding or delaying travel until the snow squall passes
your location. If you must travel, use extra caution and allow extra
time. Rapid changes in visibility and slick road conditions may lead
to accidents.
&&
LAT...LON 4308 7738 4312 7737 4326 7656 4325 7648
4315 7647 4314 7649 4311 7647 4310 7650
4303 7650 4301 7696 4292 7697 4290 7727
TIME...MOT...LOC 1641Z 286DEG 26KT 4317 7739 4323 7660
$$
Zaff1 follow-up statement
935
WWUS51 KBUF 181718
SQWBUF
Snow Squall Warning
National Weather Service Buffalo NY
1218 PM EST Wed Dec 18 2019
NYC011-069-117-181745-
/O.CON.KBUF.SQ.W.0009.000000T0000Z-191218T1745Z/
Wayne NY-Cayuga NY-Ontario NY-
1218 PM EST Wed Dec 18 2019
...A SNOW SQUALL WARNING REMAINS IN EFFECT UNTIL 1245 PM EST FOR
SOUTHERN WAYNE...CAYUGA AND NORTHEASTERN ONTARIO COUNTIES...
At 1218 PM EST, a dangerous snow squall was located along a line
extending from near Marion to near Baldwinsville, moving east at 25
mph.
HAZARD...Extremely poor visibility heavy snow and blowing snow. Wind
gusts up to 30 mph.
SOURCE...Radar and webcams.
IMPACT...Dangerous life-threatening travel.
This includes Interstate 90 between exits 43 and 40.
Locations impacted include...
Newark, Marion, Lyons, Palmyra, Clifton Springs, Clyde, Phelps,
Weedsport, Cato and Rose.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Consider avoiding or delaying travel until the snow squall passes
your location. If you must travel, use extra caution and allow extra
time. Rapid changes in visibility and slick road conditions may lead
to accidents.
&&
LAT...LON 4308 7738 4312 7737 4326 7656 4325 7648
4315 7647 4314 7649 4311 7647 4310 7650
4303 7650 4301 7696 4292 7697 4290 7727
TIME...MOT...LOC 1718Z 282DEG 24KT 4314 7714 4320 7635
$$
ZaffThe office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 18, 3:39 AM EST | Lakeshore Flood Warning | BUF | Cayuga, Oswego, Wayne | 20 hr |
| Dec 18, 3:44 AM EST | Special Weather Statement | BUF | Chautauqua, Erie, Genesee, Livingston, Wyoming | 61 min |
| Dec 18, 6:30 AM EST | Special Weather Statement | BUF | Jefferson, Lewis | 60 min |
| Dec 18, 7:18 AM EST | Special Weather Statement | BUF | Monroe | 57 min |
| Dec 18, 7:32 AM EST | Special Weather Statement | BUF | Jefferson, Lewis, Oswego | 58 min |
| Dec 18, 7:47 AM EST | Special Weather Statement | BUF | Erie, Genesee, Wyoming | 43 min |
| Dec 18, 8:31 AM EST | Special Weather Statement | BUF | Erie, Livingston, Ontario, Wyoming | 44 min |
| Dec 18, 8:35 AM EST | Special Weather Statement | BUF | Lewis, Oswego | 55 min |
| Dec 18, 9:38 AM EST | Special Weather Statement | BUF | Lewis, Oswego | 112 min |
| Dec 18, 10:05 AM EST | Special Weather Statement | BUF | Monroe, Niagara, Orleans | 85 min |
| Dec 18, 11:08 AM EST | Special Weather Statement | BUF | Wayne | 97 min |
| Dec 18, 11:38 AM EST | Snow Squall Warning | BUF | Erie, Genesee, Livingston, Monroe, Niagara, Ontario | 67 min |
| Dec 18, 12:13 PM EST | Special Weather Statement | BUF | Lewis, Oswego | 47 min |
| Dec 18, 12:48 PM EST | Snow Squall Warning | BUF | Cayuga, Genesee, Livingston, Monroe, Ontario, Wayne | 37 min |
| Dec 18, 1:19 PM EST | Special Weather Statement | BUF | Jefferson, Lewis | 86 min |
| Dec 18, 1:46 PM EST | Special Weather Statement | BUF | Cattaraugus, Chautauqua | 119 min |
| Dec 18, 2:36 PM EST | Special Weather Statement | BUF | Niagara, Orleans | 84 min |
| Dec 18, 3:42 PM EST | Wind Chill Advisory | BUF | Jefferson, Lewis | 17 hr |
| Dec 18, 3:44 PM EST | Special Weather Statement | BUF | Cattaraugus, Chautauqua | 106 min |
| Dec 18, 5:38 PM EST | Special Weather Statement | BUF | Cattaraugus, Chautauqua | 82 min |
| Dec 18, 6:52 PM EST | Special Weather Statement | BUF | Wayne | 53 min |
Nearby
Snow Squall Warnings in New York, 2019Every snow squall warning in 2019
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.