Alert archive / New York / Severe Thunderstorm Warnings in 2019
Severe Thunderstorm Warning 92, NWS Buffalo, NY
NWS Buffalo, NY issued this severe thunderstorm warning at Aug 17, 2019, 3:36 PM EDT for Allegany County, New York. It was in force for 54 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
- Aug 17, 2019, 3:36 PM EDT (19:36 UTC)
- Expired
- Aug 17, 2019, 4:30 PM EDT
- In force
- 54 min
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Allegany County, NY
The radar
The Buffalo radar (KBUF), 114 km from the middle of the area, began a volume at 19:37 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, 7.6 hours before the alert went out and 111 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
- 39 J/kg
- Mixed-layer CIN
- -138 J/kg
- Mixed-layer LCL
- 1233 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 74 m²/s²
- 0-3 km storm-relative helicity
- 126 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
647
WUUS51 KBUF 171936
SVRBUF
NYC003-172030-
/O.NEW.KBUF.SV.W.0092.190817T1936Z-190817T2030Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Buffalo NY
336 PM EDT Sat Aug 17 2019
The National Weather Service in Buffalo has issued a
* Severe Thunderstorm Warning for...
Southeastern Allegany County in western New York...
* Until 430 PM EDT..
* At 335 PM EDT, a severe thunderstorm was located near Wellsville,
moving northeast at 20 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to vehicles is possible. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Wellsville, Alfred, Whitesville, Bolivar, Andover, Alma, Stannards,
Paynesville and Knight Creek.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Large hail and damaging winds and continuous cloud to ground
lightning is occurring with this storm. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.
&&
LAT...LON 4207 7816 4229 7774 4200 7775 4200 7811
TIME...MOT...LOC 1935Z 239DEG 18KT 4205 7804
HAIL...1.00IN
WIND...60MPH
$$
Hitchcock2 follow-up statements
602
WWUS51 KBUF 171959
SVSBUF
Severe Weather Statement
National Weather Service Buffalo NY
359 PM EDT Sat Aug 17 2019
NYC003-172030-
/O.CON.KBUF.SV.W.0092.000000T0000Z-190817T2030Z/
Allegany NY-
359 PM EDT Sat Aug 17 2019
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM EDT
FOR SOUTHEASTERN ALLEGANY COUNTY...
At 359 PM EDT, a severe thunderstorm was located near Genesee, or
near Wellsville, moving east at 25 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to vehicles is possible. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Wellsville, Alfred, Whitesville, Andover, Alma, Stannards,
Paynesville and Knight Creek.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
&&
LAT...LON 4229 7774 4200 7775 4200 7809 4212 7807
TIME...MOT...LOC 1959Z 259DEG 21KT 4205 7786
HAIL...1.00IN
WIND...60MPH
$$
Hitchcock907
WWUS51 KBUF 172033
SVSBUF
Severe Weather Statement
National Weather Service Buffalo NY
433 PM EDT Sat Aug 17 2019
NYC003-172042-
/O.EXP.KBUF.SV.W.0092.000000T0000Z-190817T2030Z/
Allegany NY-
433 PM EDT Sat Aug 17 2019
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN ALLEGANY COUNTY
HAS EXPIRED...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been allowed to expire.
LAT...LON 4229 7774 4200 7775 4200 7809 4212 7807
TIME...MOT...LOC 2032Z 239DEG 18KT 4213 7769
$$
HitchcockThe office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 17, 10:14 AM EDT | Special Marine Warning | BUF | 61 min | |
| Aug 17, 10:16 AM EDT | Special Weather Statement | BUF | Genesee | 44 min |
| Aug 17, 10:40 AM EDT | Special Weather Statement | BUF | Chautauqua | 35 min |
| Aug 17, 11:04 AM EDT | Special Weather Statement | BUF | Monroe | 56 min |
| Aug 17, 11:07 AM EDT | Special Weather Statement | BUF | Cattaraugus, Chautauqua, Erie, Wyoming | 53 min |
| Aug 17, 11:58 AM EDT | Special Weather Statement | BUF | Livingston, Ontario, Wyoming | 47 min |
| Aug 17, 12:37 PM EDT | Severe Thunderstorm Warning | BUF | Livingston, Ontario | 38 min |
| Aug 17, 1:16 PM EDT | Special Weather Statement | BUF | Ontario | 44 min |
| Aug 17, 1:31 PM EDT | Severe Thunderstorm Warning | BUF | Cayuga, Oswego, Wayne | 40 min |
| Aug 17, 1:48 PM EDT | Special Weather Statement | BUF | Wyoming | 57 min |
| Aug 17, 2:04 PM EDT | Special Weather Statement | BUF | Cattaraugus | 56 min |
| Aug 17, 2:18 PM EDT | Special Weather Statement | BUF | Livingston | 27 min |
| Aug 17, 2:22 PM EDT | Severe Thunderstorm Warning | BUF | Oswego | 38 min |
| Aug 17, 2:48 PM EDT | Special Weather Statement | BUF | Livingston | 42 min |
| Aug 17, 2:58 PM EDT | Special Weather Statement | BUF | Cattaraugus | 47 min |
| Aug 17, 3:27 PM EDT | Special Weather Statement | BUF | Allegany | 33 min |
| Aug 17, 4:06 PM EDT | Special Marine Warning | BUF | 39 min | |
| Aug 17, 4:19 PM EDT | Severe Thunderstorm Warning | BUF | Niagara, Orleans | 41 min |
Nearby
Severe Thunderstorm Warnings in New York, 2019Every severe thunderstorm 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.