Alert archive / New York / Special Weather Statements in 2021
Special Weather Statement, NWS Buffalo, NY
NWS Buffalo, NY issued this special weather statement at Jul 2, 2021, 12:38 PM EDT for 5 counties in New York. It was in force for 112 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
- Jul 2, 2021, 12:38 PM EDT (16:38 UTC)
- Expired
- Jul 2, 2021, 2:30 PM EDT
- In force
- 112 min
- Issued by
- NWS Buffalo, NY
Counties Genesee County, NY, Livingston County, NY, Monroe County, NY, Orleans County, NY, Wyoming County, NY
The radar
The Buffalo radar (KBUF), 83 km from the middle of the area, began a volume at 16:40 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, 4.6 hours before the alert went out and 79 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
- 348 J/kg
- Mixed-layer CIN
- -37 J/kg
- Mixed-layer LCL
- 782 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- -6 m²/s²
- 0-3 km storm-relative helicity
- 34 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
316
WWUS81 KBUF 021638
SPSBUF
Special Weather Statement
National Weather Service Buffalo NY
1238 PM EDT Fri Jul 2 2021
NYZ002-003-011>014-021-021830-
Allegany-Ontario-Livingston-Wyoming-Orleans-Genesee-Monroe-
1238 PM EDT Fri Jul 2 2021
...SLOW MOVING THUNDERSTORMS WITH HEAVY RAINFALL ACROSS MONROE
AND WESTERN ONTARIO COUNTIES...
Slow moving thunderstorms across Monroe and western Ontario Counties
are expected to spread west into Livingston...as well as eastern
portions of Orleans...Genesee and Wyoming Counties through 230 pm..
These slow moving storms will produce heavy rainfall and may produce
pea sized hail.
If traveling this morning, be prepared for reduced visibility due to
heavy rainfall, and allow yourself extra time to reach your
destination. Do not drive your vehicle into areas where water covers
the roadway.
LAT...LON 4250 7829 4340 7822 4329 7756 4302 7753
4303 7729 4286 7732 4258 7765 4258 7766
4257 7766 4254 7769
$$
KellyThe office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 1, 8:15 PM EDT | Special Weather Statement | BUF | Livingston | 30 min |
| Jul 1, 8:45 PM EDT | Special Weather Statement | BUF | Niagara | 30 min |
| Jul 1, 9:50 PM EDT | Special Weather Statement | BUF | Genesee, Orleans | 40 min |
| Jul 1, 10:28 PM EDT | Flash Flood Warning | BUF | Genesee | 93 min |
| Jul 2, 8:44 AM EDT | Special Weather Statement | BUF | Jefferson, Lewis, Oswego | 2 hr |
| Jul 2, 10:00 AM EDT | Special Weather Statement | BUF | Chautauqua | 90 min |
| Jul 2, 10:31 AM EDT | Special Weather Statement | BUF | Erie | 44 min |
| Jul 2, 11:12 AM EDT | Special Weather Statement | BUF | Wayne | 2 hr |
| Jul 2, 11:27 AM EDT | Special Weather Statement | BUF | Cattaraugus, Chautauqua, Erie | 2 hr |
| Jul 2, 1:16 PM EDT | Special Marine Warning | BUF | 44 min | |
| Jul 2, 1:36 PM EDT | Special Weather Statement | BUF | Allegany, Cattaraugus, Chautauqua, Erie | 114 min |
| Jul 2, 2:20 PM EDT | Special Weather Statement | BUF | Niagara, Orleans | 115 min |
| Jul 2, 2:26 PM EDT | Special Marine Warning | BUF | 34 min | |
| Jul 2, 5:02 PM EDT | Special Weather Statement | BUF | Allegany | 58 min |
Nearby
Special Weather Statements in New York, 2021Every special weather statement 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.