Severe Thunderstorm Warning 115, NWS Buffalo, NY

Issued

Aug 22, 2017, 3:20 PM EDT (19:20 UTC)

Expired

Aug 22, 2017, 4:15 PM EDT

In force

55 min

Issued by

NWS Buffalo, NY

Area

Storm-based polygon

Hail

0.75 in

Wind

60.0 mph

Counties Allegany County, NY, Cattaraugus County, NY, Livingston County, NY, Wyoming County, NY

The Buffalo radar (KBUF), 73 km from the middle of the area, began a volume at 19:24 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.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

889 
WUUS51 KBUF 221920
SVRBUF
NYC003-009-051-121-222015-
/O.NEW.KBUF.SV.W.0115.170822T1920Z-170822T2015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Buffalo NY
320 PM EDT TUE AUG 22 2017

The National Weather Service in Buffalo has issued a

* Severe Thunderstorm Warning for...
  Southern Wyoming County in western New York...
  Cattaraugus County in western New York...
  Southern Livingston County in western New York...
  Allegany County in western New York...

* Until 415 PM EDT.

* At 320 PM EDT, severe thunderstorms were located along a line
  extending from 7 miles south of Varysburg to near Ashford to 6
  miles north of Scandia, moving east at 55 mph.

  HAZARD...60 mph wind gusts. 

  SOURCE...Radar indicated. 

  IMPACT...Expect wind damage to trees and power lines. 

* Locations impacted include...
  Olean, Salamanca, Dansville, Wellsville, Letchworth State Park,
  Allegany State Park, Alfred and Ashford.

This includes the following highways...
 Interstate 390 between exits 4 and 6.
 Interstate 86 between exits 17 and 33.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

A tornado watch remains in effect until 900 PM EDT for western New
York.

LAT...LON 4200 7906 4204 7906 4225 7873 4253 7851
      4254 7846 4259 7846 4268 7839 4267 7749
      4258 7751 4258 7766 4253 7766 4253 7772
      4200 7775
TIME...MOT...LOC 1920Z 252DEG 48KT 4265 7832 4228 7861 4201 7903 

HAIL...<.75IN
WIND...60MPH
 
$$

Mitchell

351 
WWUS51 KBUF 221951
SVSBUF

Severe Weather Statement
National Weather Service Buffalo NY
351 PM EDT TUE AUG 22 2017

NYC003-009-051-121-222015-
/O.CON.KBUF.SV.W.0115.000000T0000Z-170822T2015Z/
Wyoming NY-Cattaraugus NY-Livingston NY-Allegany NY-
351 PM EDT TUE AUG 22 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM EDT
FOR SOUTHEASTERN WYOMING...SOUTHEASTERN CATTARAUGUS...SOUTHERN
LIVINGSTON AND ALLEGANY COUNTIES...

At 350 PM EDT, severe thunderstorms were located along a line
extending from near Mount Morris to near Houghton to near Bradford,
moving east at 55 mph.

HAZARD...60 mph wind gusts. 

SOURCE...Radar indicated. 

IMPACT...Expect wind damage to trees and power lines. 

Locations impacted include...
Olean, Dansville, Wellsville, Letchworth State Park, Allegany State
Park, Alfred, Allegany and Belfast.

This includes the following highways...
 Interstate 390 between exits 4 and 6.
 Interstate 86 between exits 23 and 33.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

A tornado watch remains in effect until 900 PM EDT for western New
York.

LAT...LON 4200 7875 4247 7823 4268 7798 4267 7749
      4258 7751 4258 7766 4253 7766 4253 7772
      4200 7775
TIME...MOT...LOC 1950Z 251DEG 48KT 4266 7787 4240 7810 4201 7867 

HAIL...<.75IN
WIND...60MPH
 
$$

Mitchell

695 
WWUS51 KBUF 222016
SVSBUF

Severe Weather Statement
National Weather Service Buffalo NY
416 PM EDT TUE AUG 22 2017

NYC003-009-051-121-222025-
/O.EXP.KBUF.SV.W.0115.000000T0000Z-170822T2015Z/
Wyoming NY-Cattaraugus NY-Livingston NY-Allegany NY-
416 PM EDT TUE AUG 22 2017

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN WYOMING...
SOUTHEASTERN CATTARAUGUS...SOUTHERN LIVINGSTON AND ALLEGANY COUNTIES
HAS EXPIRED...
    
The storms which prompted the warning have weakened below severe 
limits. Therefore the warning has been allowed to expire.

A tornado watch remains in effect until 900 PM EDT for western New
York.

LAT...LON 4200 7875 4247 7823 4268 7798 4267 7749
      4258 7751 4258 7766 4253 7766 4253 7772
      4200 7775
TIME...MOT...LOC 2015Z 252DEG 48KT 4275 7748 4249 7771 4210 7828 

$$

Mitchell

Severe Thunderstorm Warnings in New York, 2017Every severe thunderstorm warning in 2017

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; radar from the NEXRAD Level II archive.