Alert archive / New York / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 67, NWS Buffalo, NY

August 8, 2019Cattaraugus County, Erie County, Wyoming County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Aug 8, 2019, 11:45 AM EDT for Cattaraugus County, Erie County, Wyoming County, New York. It was in force for 36 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 8, 2019, 11:45 AM EDT (15:45 UTC)
Expired: Aug 8, 2019, 12:21 PM EDT
In force: 36 min
Issued by: NWS Buffalo, NY
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Cattaraugus County, NY, Erie County, NY, Wyoming County, NY

The radar

The Buffalo radar (KBUF), 56 km from the middle of the area, began a volume at 15:46 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, 3.8 hours before the alert went out and 52 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 39 J/kg
Mixed-layer CIN: -52 J/kg
Mixed-layer LCL: 1232 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: 91 m²/s²
0-3 km storm-relative helicity: 119 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

259 
WUUS51 KBUF 081545
SVRBUF
NYC009-029-121-081645-
/O.NEW.KBUF.SV.W.0067.190808T1545Z-190808T1645Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Buffalo NY
1145 AM EDT Thu Aug 8 2019

The National Weather Service in Buffalo has issued a

* Severe Thunderstorm Warning for...
  Wyoming County in western New York...
  Central Cattaraugus County in western New York...
  Southeastern Erie County in western New York...

* Until 1245 PM EDT..

* At 1145 AM EDT, severe thunderstorms were located along a line
  extending from Bennington to 8 miles west of Salamanca, moving east
  at 10 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Salamanca, Allegany State Park, Springville, Warsaw, Bennington,
  Attica, Ashford, Arcade, Franklinville and Ashford Hollow.

 This includes Interstate 86 between exits 20 and 21.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4211 7901 4287 7851 4287 7808 4286 7806
      4252 7828 4252 7831 4247 7831 4212 7852
TIME...MOT...LOC 1545Z 268DEG 9KT 4285 7842 4216 7888 

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

Levan

1 follow-up statement

823 
WWUS51 KBUF 081621
SVSBUF

Severe Weather Statement
National Weather Service Buffalo NY
1221 PM EDT Thu Aug 8 2019

NYC009-029-121-081630-
/O.CAN.KBUF.SV.W.0067.000000T0000Z-190808T1645Z/
Wyoming NY-Cattaraugus NY-Erie NY-
1221 PM EDT Thu Aug 8 2019

...THE SEVERE THUNDERSTORM WARNING FOR WYOMING...CENTRAL CATTARAUGUS
AND SOUTHEASTERN ERIE COUNTIES IS CANCELLED...
    
The storms which prompted the warning have weakened below severe 
limits and are exiting the warned area. Therefore, the warning has 
been cancelled.

LAT...LON 4211 7901 4287 7851 4287 7808 4286 7806
      4252 7828 4252 7831 4247 7831 4212 7852
TIME...MOT...LOC 1616Z 268DEG 9KT 4285 7831 4216 7877 

$$

Levan

The office that day

Everything else NWS Buffalo, NY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 7, 10:41 PM EDT	Beach Hazards Statement	BUF	Chautauqua, Erie	22 hr
Aug 7, 10:42 PM EDT	Small Craft Advisory	BUF		71 hr
Aug 8, 4:33 AM EDT	Lakeshore Flood Warning	BUF	Cayuga, Jefferson, Oswego, Wayne	65 hr
Aug 8, 10:16 AM EDT	Special Marine Warning	BUF		59 min
Aug 8, 10:27 AM EDT	Special Marine Warning	BUF		63 min
Aug 8, 10:35 AM EDT	Severe Thunderstorm Warning	BUF	Erie, Niagara	40 min
Aug 8, 10:39 AM EDT	Severe Thunderstorm Warning	BUF	Cattaraugus, Chautauqua, Erie	66 min
Aug 8, 10:48 AM EDT	Severe Thunderstorm Warning	BUF	Erie	42 min
Aug 8, 10:58 AM EDT	Special Marine Warning	BUF		62 min
Aug 8, 11:15 AM EDT	Severe Thunderstorm Warning	BUF	Erie, Genesee, Niagara, Orleans	60 min
Aug 8, 11:39 AM EDT	Special Weather Statement	BUF	Cattaraugus	36 min
Aug 8, 11:50 AM EDT	Severe Thunderstorm Warning	BUF	Genesee, Livingston, Monroe, Orleans	55 min
Aug 8, 11:58 AM EDT	Special Marine Warning	BUF		62 min
Aug 8, 12:20 PM EDT	Severe Thunderstorm Warning	BUF	Livingston, Monroe, Ontario, Wayne	55 min
Aug 8, 12:24 PM EDT	Special Weather Statement	BUF	Allegany, Livingston	36 min
Aug 8, 12:30 PM EDT	Special Marine Warning	BUF		60 min
Aug 8, 12:38 PM EDT	Severe Thunderstorm Warning	BUF	Livingston, Ontario	67 min
Aug 8, 12:53 PM EDT	Severe Thunderstorm Warning	BUF	Allegany, Cattaraugus	54 min
Aug 8, 1:04 PM EDT	Special Marine Warning	BUF		86 min
Aug 8, 1:06 PM EDT	Severe Thunderstorm Warning	BUF	Cayuga, Ontario, Oswego, Wayne	54 min
Aug 8, 1:50 PM EDT	Severe Thunderstorm Warning	BUF	Cayuga, Jefferson, Oswego	70 min
Aug 8, 3:01 PM EDT	Special Weather Statement	BUF	Genesee	44 min
Aug 8, 4:23 PM EDT	Special Weather Statement	BUF	Erie	37 min
Aug 8, 4:50 PM EDT	Special Weather Statement	BUF	Wayne	40 min
Aug 8, 5:12 PM EDT	Special Weather Statement	BUF	Erie	48 min

Nearby

Severe Thunderstorm Warnings in New York, 2019 Every 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.