Alert archive / New York / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 65, NWS Buffalo, NY

August 8, 2019Erie County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Aug 8, 2019, 10:48 AM EDT for Erie County, New York. It was in force for 42 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, 10:48 AM EDT (14:48 UTC)
Expired
Aug 8, 2019, 11:30 AM EDT
In force
42 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Erie County, NY

The radar

The Buffalo radar (KBUF), 6 km from the middle of the area, began a volume at 14:51 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, 2.8 hours before the alert went out and 9 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-pSkew-T log-p diagram, Buffalo Intl Airport, NY at 12:00Z on 2019-08-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 39 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Buffalo Intl Airport, NY at 12:00Z on 2019-08-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 91 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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.

280 
WUUS51 KBUF 081448
SVRBUF
NYC029-081530-
/O.NEW.KBUF.SV.W.0065.190808T1448Z-190808T1530Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Buffalo NY
1048 AM EDT Thu Aug 8 2019

The National Weather Service in Buffalo has issued a

* Severe Thunderstorm Warning for...
  Northeastern Erie County in western New York...

* Until 1130 AM EDT..

* At 1048 AM EDT, a severe thunderstorm was located over Kenmore,
  moving east at 35 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Buffalo, Cheektowaga, West Seneca, North Tonawanda, Clarence,
  Lackawanna, Kenmore, Depew, Amherst and Tonawanda.

 This includes Interstate 90 between exits 55 and 49.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4303 7888 4302 7888 4302 7884 4304 7882
      4308 7846 4287 7848 4287 7849 4280 7849
      4281 7892 4284 7893 4289 7891 4293 7891
      4296 7893 4296 7896 4298 7900 4301 7901
TIME...MOT...LOC 1448Z 256DEG 32KT 4295 7889 

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

TMA
2 follow-up statements
535 
WWUS51 KBUF 081516
SVSBUF

Severe Weather Statement
National Weather Service Buffalo NY
1116 AM EDT Thu Aug 8 2019

NYC029-081530-
/O.CON.KBUF.SV.W.0065.000000T0000Z-190808T1530Z/
Erie NY-
1116 AM EDT Thu Aug 8 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1130 AM EDT
FOR NORTHEASTERN ERIE COUNTY...

At 1116 AM EDT, severe thunderstorms were located along a line
extending from near Clarence to West Seneca, moving east at 30 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Buffalo, Cheektowaga, West Seneca, North Tonawanda, Clarence,
Lackawanna, Kenmore, Depew, Amherst and Tonawanda.

 This includes Interstate 90 between exits 55 and 49.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4303 7888 4302 7888 4302 7884 4304 7882
      4308 7846 4287 7848 4287 7849 4280 7849
      4281 7892 4284 7893 4289 7891 4293 7891
      4296 7893 4296 7896 4298 7900 4301 7901
TIME...MOT...LOC 1516Z 263DEG 24KT 4305 7861 4282 7875 

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

Levan
844 
WWUS51 KBUF 081532
SVSBUF

Severe Weather Statement
National Weather Service Buffalo NY
1132 AM EDT Thu Aug 8 2019

NYC029-081542-
/O.EXP.KBUF.SV.W.0065.000000T0000Z-190808T1530Z/
Erie NY-
1132 AM EDT Thu Aug 8 2019

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN ERIE COUNTY HAS
EXPIRED...
    
The storms which prompted the warning have moved out of the area.
Therefore, the warning has been allowed to expire.

LAT...LON 4303 7888 4302 7888 4302 7884 4304 7882
      4308 7846 4287 7848 4287 7849 4280 7849
      4281 7892 4284 7893 4289 7891 4293 7891
      4296 7893 4296 7896 4298 7900 4301 7901
TIME...MOT...LOC 1532Z 256DEG 32KT 4308 7843 4285 7857 

$$

TMA

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 7, 10:41 PM EDTBeach Hazards StatementBUFChautauqua, Erie22 hr
Aug 7, 10:42 PM EDTSmall Craft AdvisoryBUF71 hr
Aug 8, 4:33 AM EDTLakeshore Flood WarningBUFCayuga, Jefferson, Oswego, Wayne65 hr
Aug 8, 10:16 AM EDTSpecial Marine WarningBUF59 min
Aug 8, 10:27 AM EDTSpecial Marine WarningBUF63 min
Aug 8, 10:35 AM EDTSevere Thunderstorm WarningBUFErie, Niagara40 min
Aug 8, 10:39 AM EDTSevere Thunderstorm WarningBUFCattaraugus, Chautauqua, Erie66 min
Aug 8, 10:58 AM EDTSpecial Marine WarningBUF62 min
Aug 8, 11:15 AM EDTSevere Thunderstorm WarningBUFErie, Genesee, Niagara, Orleans60 min
Aug 8, 11:39 AM EDTSpecial Weather StatementBUFCattaraugus36 min
Aug 8, 11:45 AM EDTSevere Thunderstorm WarningBUFCattaraugus, Erie, Wyoming36 min
Aug 8, 11:50 AM EDTSevere Thunderstorm WarningBUFGenesee, Livingston, Monroe, Orleans55 min
Aug 8, 11:58 AM EDTSpecial Marine WarningBUF62 min
Aug 8, 12:20 PM EDTSevere Thunderstorm WarningBUFLivingston, Monroe, Ontario, Wayne55 min
Aug 8, 12:24 PM EDTSpecial Weather StatementBUFAllegany, Livingston36 min
Aug 8, 12:30 PM EDTSpecial Marine WarningBUF60 min
Aug 8, 12:38 PM EDTSevere Thunderstorm WarningBUFLivingston, Ontario67 min
Aug 8, 12:53 PM EDTSevere Thunderstorm WarningBUFAllegany, Cattaraugus54 min
Aug 8, 1:04 PM EDTSpecial Marine WarningBUF86 min
Aug 8, 1:06 PM EDTSevere Thunderstorm WarningBUFCayuga, Ontario, Oswego, Wayne54 min
Aug 8, 1:50 PM EDTSevere Thunderstorm WarningBUFCayuga, Jefferson, Oswego70 min
Aug 8, 3:01 PM EDTSpecial Weather StatementBUFGenesee44 min
Aug 8, 4:23 PM EDTSpecial Weather StatementBUFErie37 min
Aug 8, 4:50 PM EDTSpecial Weather StatementBUFWayne40 min
Aug 8, 5:12 PM EDTSpecial Weather StatementBUFErie48 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.