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 7, 2021, 5:15 PM EDT for Livingston County, New York. It was in force for 30 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 7, 2021, 5:15 PM EDT (21:15 UTC)
- Expired
- Jul 7, 2021, 5:45 PM EDT
- In force
- 30 min
- Issued by
- NWS Buffalo, NY
County Livingston County, NY
The radar
The Buffalo radar (KBUF), 90 km from the middle of the area, began a volume at 21:16 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, 9.3 hours before the alert went out and 86 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
- 161 J/kg
- Mixed-layer CIN
- -85 J/kg
- Mixed-layer LCL
- 734 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 81 m²/s²
- 0-3 km storm-relative helicity
- 117 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted.
565
WWUS81 KBUF 072115
SPSBUF
Special Weather Statement
National Weather Service Buffalo NY
515 PM EDT Wed Jul 7 2021
NYZ013-021-072145-
Allegany-Livingston-
515 PM EDT Wed Jul 7 2021
...A STRONG THUNDERSTORM WILL AFFECT SOUTHWESTERN LIVINGSTON AND
NORTH CENTRAL ALLEGANY COUNTIES...
At 514 PM EDT, a strong thunderstorm was located 8 miles west of
Dansville, moving northeast at 15 mph.
Winds in excess of 40 mph and half inch hail are possible with this
storm.
Locations impacted include...
Dansville, Groveland, Nunda, Ossian, Dalton, and Swain.
This includes Interstate 390 between exits 4 and 5.
If outdoors, consider seeking shelter inside a building.
LAT...LON 4246 7790 4255 7799 4269 7776 4258 7766
4253 7766 4253 7772 4251 7772
TIME...MOT...LOC 2114Z 240DEG 12KT 4253 7785
$$
HitchcockThe office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 6, 8:26 PM EDT | Special Weather Statement | BUF | Allegany | 64 min |
| Jul 6, 9:30 PM EDT | Special Weather Statement | BUF | Cayuga | 30 min |
| Jul 7, 12:51 AM EDT | Special Weather Statement | BUF | Chautauqua | 39 min |
| Jul 7, 3:34 AM EDT | Special Weather Statement | BUF | Chautauqua | 26 min |
| Jul 7, 4:00 AM EDT | Special Weather Statement | BUF | Cattaraugus | 90 min |
| Jul 7, 4:17 AM EDT | Special Weather Statement | BUF | Allegany | 43 min |
| Jul 7, 4:38 AM EDT | Beach Hazards Statement | BUF | Monroe, Niagara, Orleans, Wayne | 17 hr |
| Jul 7, 4:39 AM EDT | Small Craft Advisory | BUF | 17 hr | |
| Jul 7, 4:48 AM EDT | Special Marine Warning | BUF | 42 min | |
| Jul 7, 4:52 AM EDT | Special Weather Statement | BUF | Niagara | 38 min |
| Jul 7, 5:27 AM EDT | Special Weather Statement | BUF | Orleans | 48 min |
| Jul 7, 6:04 AM EDT | Special Weather Statement | BUF | Monroe | 41 min |
| Jul 7, 6:49 AM EDT | Special Weather Statement | BUF | Ontario | 41 min |
| Jul 7, 4:33 PM EDT | Special Weather Statement | BUF | Allegany | 42 min |
| Jul 7, 6:10 PM EDT | Special Weather Statement | BUF | Chautauqua | 35 min |
| Jul 7, 6:47 PM EDT | Severe Thunderstorm Warning | BUF | Cattaraugus, Chautauqua | 58 min |
| Jul 7, 6:49 PM EDT | Special Marine Warning | BUF | 86 min | |
| Jul 7, 6:52 PM EDT | Special Weather Statement | BUF | Allegany | 38 min |
| Jul 7, 6:53 PM EDT | Special Weather Statement | BUF | Allegany | 37 min |
| Jul 7, 7:03 PM EDT | Severe Thunderstorm Warning | BUF | Allegany | 57 min |
| Jul 7, 7:12 PM EDT | Severe Thunderstorm Warning | BUF | Allegany | 33 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.