Alert archive / New York / Snow Squall Warnings in 2019
Snow Squall Warning 3, NWS Buffalo, NY
NWS Buffalo, NY issued this snow squall warning at Jan 27, 2019, 7:18 AM EST for 8 counties in New York. It was in force for 57 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
- Jan 27, 2019, 7:18 AM EST (12:18 UTC)
- Expired
- Jan 27, 2019, 8:15 AM EST
- In force
- 57 min
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
Counties Allegany County, NY, Cattaraugus County, NY, Genesee County, NY, Livingston County, NY, Monroe County, NY, Ontario County, NY, Wayne County, NY, Wyoming County, NY
The radar
The Buffalo radar (KBUF), 95 km from the middle of the area, began a volume at 12:20 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, 0.3 hours before the alert went out and 91 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
- 2 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 574 m above ground
- 0-6 km bulk shear
- 68 kt
- 0-1 km storm-relative helicity
- 79 m²/s²
- 0-3 km storm-relative helicity
- 133 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
521
WWUS51 KBUF 271218
SQWBUF
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Snow Squall Warning
National Weather Service Buffalo NY
718 AM EST Sun Jan 27 2019
NYC003-009-037-051-055-069-117-121-271315-
/O.NEW.KBUF.SQ.W.0003.190127T1218Z-190127T1315Z/
Wayne NY-Wyoming NY-Cattaraugus NY-Livingston NY-Allegany NY-
Monroe NY-Genesee NY-Ontario NY-
718 AM EST Sun Jan 27 2019
The National Weather Service in Buffalo has issued a
* Snow Squall Warning for...
Wayne County in western New York...
Eastern Wyoming County in western New York...
Eastern Cattaraugus County in western New York...
Livingston County in western New York...
Allegany County in western New York...
Monroe County in western New York...
Southeastern Genesee County in western New York...
Ontario County in western New York...
* Until 815 AM EST.
* At 718 AM EST, a dangerous snow squall was located along a line
extending from Rochester to near Allegany State Park, moving east
at 45 mph.
HAZARD...Extremely poor visibility in snow and blowing snow. Wind
gusts greater than 30 mph.
SOURCE...Radar indicated.
IMPACT...Dangerous life-threatening travel.
* This includes the following highways...
Interstate 390 between exits 4 and 12.
Interstate 90 between exits 46 and 42.
Interstate 86 near exit 19, and between exits 21 and 33.
Locations impacted include...
Rochester, Greece, Irondequoit, Chili, Olean, Canandaigua, Geneseo,
East Rochester, Salamanca and Webster.
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 4200 7890 4331 7759 4328 7754 4331 7741
4331 7697 4339 7665 4276 7713 4276 7732
4258 7737 4258 7766 4253 7766 4253 7772
4200 7775
TIME...MOT...LOC 1218Z 255DEG 27KT 4316 7759 4203 7874
$$
HSKThe office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 27, 5:59 AM EST | Special Weather Statement | BUF | Cattaraugus, Chautauqua, Erie, Genesee, Niagara, Orleans and 1 more | 61 min |
| Jan 27, 6:33 AM EST | Snow Squall Warning | BUF | Allegany, Cattaraugus, Chautauqua, Erie, Genesee, Livingston and 4 more | 57 min |
| Jan 27, 7:18 AM EST | Lakeshore Flood Advisory | BUF | Chautauqua, Erie | 3 hr |
| Jan 27, 8:05 AM EST | Snow Squall Warning | BUF | Allegany, Cayuga, Livingston, Monroe, Ontario, Oswego and 1 more | 55 min |
| Jan 27, 8:40 AM EST | Flash Flood Warning | BUF | Erie, Niagara | 7 hr |
| Jan 27, 11:40 AM EST | Special Weather Statement | BUF | Chautauqua, Erie, Genesee, Wyoming | 50 min |
| Jan 27, 1:58 PM EST | Winter Storm Watch | BUF | Erie, Genesee, Jefferson, Lewis, Oswego, Wyoming | 24 hr |
| Jan 27, 4:47 PM EST | Special Weather Statement | BUF | Chautauqua | 3 hr |
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.