Alert archive / New York / Snow Squall Warnings in 2018
Snow Squall Warning 5, NWS Buffalo, NY
NWS Buffalo, NY issued this snow squall warning at Nov 21, 2018, 10:09 AM EST for Cayuga County, Lewis County, Oswego County, New York. It was in force for 36 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
- Nov 21, 2018, 10:09 AM EST (15:09 UTC)
- Expired
- Nov 21, 2018, 10:45 AM EST
- In force
- 36 min
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
Counties Cayuga County, NY, Lewis County, NY, Oswego County, NY
The radar
The Ft Drum radar (KTYX), 53 km from the middle of the area, began a volume at 15:13 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
Albany, NY (KALY), launched 12:00Z, 3.2 hours before the alert went out and 188 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
- 973 m above ground
- 0-6 km bulk shear
- 78 kt
- 0-1 km storm-relative helicity
- 303 m²/s²
- 0-3 km storm-relative helicity
- 285 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
293
WWUS51 KBUF 211510
SQWBUF
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Snow Squall Warning
National Weather Service Buffalo NY
1009 AM EST Wed Nov 21 2018
NYC011-049-075-211545-
/O.NEW.KBUF.SQ.W.0005.181121T1509Z-181121T1545Z/
Lewis NY-Cayuga NY-Oswego NY-
1009 AM EST Wed Nov 21 2018
The National Weather Service in Buffalo has issued a
* Snow Squall Warning for...
Southern Lewis County in central New York...
Cayuga County in central New York...
Southern Oswego County in central New York...
* Until 1045 AM EST.
* At 1009 AM EST, a dangerous snow squall was located along a line
extending from near Nicks Lake Campground to near Fulton, moving
southeast at 20 mph.
HAZARD...Heavy snow.
SOURCE...Radar indicated.
IMPACT...Dangerous life-threatening travel.
* This includes Interstate 81 between exits 32 and 33.
Locations impacted include...
Fulton, Central Square, Redfield, Cato, Highmarket, Brewerton,
Hastings, Volney, Constantia and West Monroe.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow Down! Rapid changes in visibility and road conditions are
expected with this dangerous snow squall. Be alert for sudden
whiteout conditions.
&&
LAT...LON 4342 7553 4348 7581 4333 7589 4332 7586
4315 7588 4320 7608 4327 7620 4320 7621
4324 7627 4322 7626 4320 7627 4323 7631
4323 7648 4311 7647 4310 7650 4325 7664
4378 7513 4377 7513 4361 7511
TIME...MOT...LOC 1509Z 313DEG 19KT 4369 7509 4327 7641
$$
ReynoldsThe office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 21, 4:09 AM EST | Special Weather Statement | BUF | Erie, Genesee | 51 min |
| Nov 21, 5:10 AM EST | Special Weather Statement | BUF | Erie, Genesee, Wyoming | 50 min |
| Nov 21, 5:54 AM EST | Special Weather Statement | BUF | Jefferson | 81 min |
| Nov 21, 5:58 AM EST | Special Weather Statement | BUF | Chautauqua, Erie, Wyoming | 77 min |
| Nov 21, 8:49 AM EST | Snow Squall Warning | BUF | Monroe, Niagara, Orleans | 26 min |
| Nov 21, 9:16 AM EST | Snow Squall Warning | BUF | Cayuga, Jefferson, Monroe, Oswego, Wayne | 59 min |
| Nov 21, 6:21 PM EST | Small Craft Advisory | BUF | 10 hr |
Nearby
Snow Squall Warnings in New York, 2018Every snow squall warning in 2018
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.