Alert archive / New York / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 87, NWS Buffalo, NY
NWS Buffalo, NY issued this severe thunderstorm warning at Aug 3, 2017, 5:29 PM EDT for 4 counties in New York. It was in force for 46 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 3, 2017, 5:29 PM EDT (21:29 UTC)
- Expired
- Aug 3, 2017, 6:15 PM EDT
- In force
- 46 min
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Erie County, NY, Genesee County, NY, Niagara County, NY, Orleans County, NY
The radar
The Buffalo radar (KBUF), 38 km from the middle of the area, began a volume at 21:32 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, 9.5 hours before the alert went out and 39 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1527 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 62 m²/s²
- 0-3 km storm-relative helicity
- 67 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
575
WUUS51 KBUF 032129
SVRBUF
NYC029-037-063-073-032215-
/O.NEW.KBUF.SV.W.0087.170803T2129Z-170803T2215Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Buffalo NY
529 PM EDT THU AUG 3 2017
The National Weather Service in Buffalo has issued a
* Severe Thunderstorm Warning for...
Northeastern Erie County in western New York...
Eastern Niagara County in western New York...
Western Orleans County in western New York...
Northwestern Genesee County in western New York...
* Until 615 PM EDT.
* At 529 PM EDT, a severe thunderstorm was located near Lockport,
moving north at 15 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to vehicles is possible. Expect wind damage
to trees and power lines.
* Locations impacted include...
Lockport, Medina, Newfane, Middleport, Lyndonville, Barker, Gasport
and Olcott.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4338 7876 4338 7874 4340 7836 4303 7846
4304 7868 4337 7877
TIME...MOT...LOC 2129Z 179DEG 14KT 4312 7859
HAIL...1.00IN
WIND...60MPH
$$
Church2 follow-up statements
838
WWUS51 KBUF 032153
SVSBUF
Severe Weather Statement
National Weather Service Buffalo NY
553 PM EDT THU AUG 3 2017
NYC029-037-073-032203-
/O.CAN.KBUF.SV.W.0087.000000T0000Z-170803T2215Z/
Erie NY-Orleans NY-Genesee NY-
553 PM EDT THU AUG 3 2017
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN ERIE...WESTERN
ORLEANS AND NORTHWESTERN GENESEE COUNTIES IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 4338 7876 4339 7863 4339 7845 4313 7854
4313 7871 4337 7877
TIME...MOT...LOC 2153Z 179DEG 14KT 4321 7859
$$
NYC063-032215-
/O.CON.KBUF.SV.W.0087.000000T0000Z-170803T2215Z/
Niagara NY-
553 PM EDT THU AUG 3 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM EDT
FOR NORTHEASTERN NIAGARA COUNTY...
At 553 PM EDT, a severe thunderstorm was located near Middleport, or
near Lockport, moving north at 15 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to vehicles is possible. Expect wind damage to
trees and power lines.
Locations impacted include...
Lockport, Newfane, Barker, Gasport, Olcott and Appleton.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4338 7876 4339 7863 4339 7845 4313 7854
4313 7871 4337 7877
TIME...MOT...LOC 2153Z 179DEG 14KT 4321 7859
HAIL...1.00IN
WIND...60MPH
$$
Church637
WWUS51 KBUF 032207
SVSBUF
Severe Weather Statement
National Weather Service Buffalo NY
607 PM EDT THU AUG 3 2017
NYC063-032216-
/O.EXP.KBUF.SV.W.0087.000000T0000Z-170803T2215Z/
Niagara NY-
607 PM EDT THU AUG 3 2017
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN NIAGARA COUNTY
WILL EXPIRE AT 615 PM EDT...
The storm which prompted the warning has weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore the warning will be allowed to expire at 615 PM. However
gusty winds and heavy rain are still possible with this thunderstorm.
LAT...LON 4338 7876 4339 7863 4339 7845 4313 7854
4313 7871 4337 7877
TIME...MOT...LOC 2206Z 179DEG 14KT 4326 7859
$$
ChurchThe office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 3, 12:22 PM EDT | Special Weather Statement | BUF | Lewis | 38 min |
| Aug 3, 12:35 PM EDT | Severe Thunderstorm Warning | BUF | Lewis | 32 min |
| Aug 3, 1:56 PM EDT | Special Weather Statement | BUF | Lewis | 34 min |
| Aug 3, 2:42 PM EDT | Lakeshore Flood Warning | BUF | Cayuga, Jefferson, Monroe, Niagara, Orleans, Oswego and 1 more | 61 hr |
| Aug 3, 3:32 PM EDT | Special Weather Statement | BUF | Orleans | 28 min |
| Aug 3, 4:40 PM EDT | Special Weather Statement | BUF | Erie | 35 min |
| Aug 3, 5:08 PM EDT | Special Weather Statement | BUF | Livingston | 37 min |
| Aug 3, 5:11 PM EDT | Special Weather Statement | BUF | Genesee | 34 min |
| Aug 3, 5:52 PM EDT | Special Weather Statement | BUF | Monroe | 53 min |
| Aug 3, 6:00 PM EDT | Special Marine Warning | BUF | 60 min |
Nearby
Severe Thunderstorm Warnings in New York, 2017Every severe thunderstorm warning in 2017
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.