Alert archive / New York / Special Weather Statements in 2021
Special Weather Statement, NWS Buffalo, NY
NWS Buffalo, NY issued this special weather statement at Sep 15, 2021, 12:58 AM EDT for Niagara County, New York. It was in force for 47 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Sep 15, 2021, 12:58 AM EDT (04:58 UTC)
- Expired
- Sep 15, 2021, 1:45 AM EDT
- In force
- 47 min
- Issued by
- NWS Buffalo, NY
- Hail
- 0.50 in
- Wind
- 40
County Niagara County, NY
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 15, 1:53 AM EDT | TSTM WND GST 40 | 3 Wsw Sanborn, NY | ASOS STATION KIAG NIAGARA FALLS AIRPORT. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 5.0 hours before the alert went out and 22 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
- 1414 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 1373 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 198 m²/s²
- 0-3 km storm-relative helicity
- 303 m²/s²
- Significant tornado parameter
- 0.9
- Supercell composite
- 9.0
The text
As transmitted.
457
WWUS81 KBUF 150458
SPSBUF
Special Weather Statement
National Weather Service Buffalo NY
1258 AM EDT Wed Sep 15 2021
NYZ001-010-150545-
Niagara NY-Northern Erie NY-
1258 AM EDT Wed Sep 15 2021
...A strong thunderstorm will impact portions of northeastern Erie
and Niagara Counties through 145 AM EDT...
At 1258 AM EDT, Doppler radar was tracking a strong thunderstorm 7
miles southwest of Grand Island, or 8 miles south of Niagara Falls,
moving east at 35 mph.
HAZARD...Winds in excess of 40 mph and half inch hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Buffalo, Cheektowaga, Niagara Falls, North Tonawanda, Clarence,
Lockport, Kenmore, Depew, Tonawanda, Amherst, Lancaster,
Williamsville, Grand Island, Pendleton, Akron, Erie Basin Marina,
Alden, Middleport, Sanborn and Clarence Center.
This includes Interstate 90 between exits 52A and 49.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
&&
LAT...LON 4311 7906 4312 7907 4313 7905 4334 7848
4291 7847 4286 7893 4291 7890 4293 7891
4296 7893 4296 7896 4299 7901 4302 7902
4306 7900 4307 7901 4308 7908
TIME...MOT...LOC 0458Z 258DEG 32KT 4297 7909
MAX HAIL SIZE...0.50 IN
MAX WIND GUST...40 MPH
$$
ApffelThe office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 14, 11:54 PM EDT | Special Marine Warning | BUF | 2 hr | |
| Sep 14, 11:59 PM EDT | Special Marine Warning | BUF | 2 hr | |
| Sep 15, 1:36 AM EDT | Special Marine Warning | BUF | 84 min | |
| Sep 15, 2:01 AM EDT | Special Marine Warning | BUF | 29 min | |
| Sep 15, 2:28 AM EDT | Special Marine Warning | BUF | 92 min | |
| Sep 15, 2:53 AM EDT | Special Weather Statement | BUF | Jefferson | 37 min |
| Sep 15, 12:41 PM EDT | Special Weather Statement | BUF | Allegany | 34 min |
| Sep 15, 1:30 PM EDT | Special Weather Statement | BUF | Allegany | 30 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.