Alert archive / New York / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 40, NWS Buffalo, NY

June 23, 2015Erie County, Niagara County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jun 23, 2015, 3:52 AM EDT for Erie County, Niagara County, New York. It was in force for 34 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jun 23, 2015, 3:52 AM EDT (07:52 UTC)
Expired
Jun 23, 2015, 4:26 AM EDT
In force
34 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon

Counties Erie County, NY, Niagara County, NY

The radar

The Buffalo radar (KBUF), 12 km from the middle of the area, began a volume at 07:52 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.

What was reported inside it

TimeReportWhereRemark
Jun 23, 4:15 AM EDTTSTM WND DMG1 Sw Armor, NYTREE DOWN ON CARLTON DRIVE
Jun 23, 4:15 AM EDTTSTM WND DMGOrchard Park, NYTREE DOWN

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

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 7.9 hours before the alert went out and 15 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 00:00Z on 2015-06-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Buffalo Intl Airport, NY at 00:00Z on 2015-06-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 202 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2108 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
202 m²/s²
0-3 km storm-relative helicity
298 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

399 
WUUS51 KBUF 230752
SVRBUF
NYC029-063-230845-
/O.NEW.KBUF.SV.W.0040.150623T0752Z-150623T0845Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
352 AM EDT TUE JUN 23 2015

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHWESTERN NIAGARA COUNTY IN WESTERN NEW YORK...
  CENTRAL ERIE COUNTY IN WESTERN NEW YORK...

* UNTIL 445 AM EDT

* AT 350 AM EDT...DOPPLER RADAR INDICATED A LINE OF SEVERE
  THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60
  MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM NEAR
  GRAND ISLAND TO 16 MILES NORTH OF DUNKIRK...AND MOVING EAST AT 55
  MPH.

* LOCATIONS IMPACTED INCLUDE...
  GRAND ISLAND...BUFFALO...CHEEKTOWAGA...WEST SENECA... AMHERST...
  TONAWANDA...LOCKPORT...LACKAWANNA...KENMORE AND DEPEW.

THIS INCLUDES INTERSTATE 90 BETWEEN EXITS 57 AND 49.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...DESTRUCTIVE HAIL...
DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR YOUR PROTECTION...MOVE TO
AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY
RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER
COVERS THE ROAD.

&&

LAT...LON 4311 7906 4315 7878 4316 7868 4270 7861
      4266 7906 4269 7905 4274 7892 4279 7885
      4284 7886 4304 7876 4291 7884 4300 7894
TIME...MOT...LOC 0750Z 256DEG 48KT 4300 7904 4273 7940 

$$

HITCHCOCK
2 follow-up statements
981 
WWUS51 KBUF 230812
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
412 AM EDT TUE JUN 23 2015

NYC029-063-230845-
/O.CON.KBUF.SV.W.0040.000000T0000Z-150623T0845Z/
NIAGARA NY-ERIE NY-
412 AM EDT TUE JUN 23 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 AM EDT
FOR SOUTHWESTERN NIAGARA AND CENTRAL ERIE COUNTIES...

AT 411 AM EDT...DOPPLER RADAR INDICATED A LINE OF SEVERE
THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60
MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM NEAR
PENDLETON TO NEAR HAMBURG...MOVING EAST AT 65 MPH.

LOCATIONS IMPACTED INCLUDE...AMHERST...BUFFALO...CHEEKTOWAGA...WEST 
SENECA...TONAWANDA...LOCKPORT...LACKAWANNA...HAMBURG...KENMORE AND 
DEPEW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...DESTRUCTIVE HAIL...
DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY
RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER
COVERS THE ROAD.

&&

LAT...LON 4311 7906 4315 7878 4316 7868 4270 7861
      4266 7906 4269 7905 4274 7892 4279 7885
      4284 7886 4304 7876 4291 7884 4300 7894
TIME...MOT...LOC 0811Z 259DEG 55KT 4304 7871 4273 7890 

$$

HITCHCOCK
284 
WWUS51 KBUF 230826
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
426 AM EDT TUE JUN 23 2015

NYC029-063-230835-
/O.CAN.KBUF.SV.W.0040.000000T0000Z-150623T0845Z/
NIAGARA NY-ERIE NY-
426 AM EDT TUE JUN 23 2015

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN NIAGARA AND
CENTRAL ERIE COUNTIES IS CANCELLED...
    
THE STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED BELOW SEVERE
LIMITS AND EXITED THE WARNED AREA. THEREFORE THE WARNING HAS BEEN
CANCELLED.

LAT...LON 4311 7906 4315 7878 4316 7868 4270 7861
      4266 7906 4269 7905 4274 7892 4279 7885
      4284 7886 4304 7876 4291 7884 4300 7894
TIME...MOT...LOC 0825Z 256DEG 48KT 4304 7871 4273 7890 

$$

HITCHCOCK

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 23, 1:13 AM EDTSpecial Marine WarningBUF2 hr
Jun 23, 1:16 AM EDTSpecial Marine WarningBUF119 min
Jun 23, 3:21 AM EDTSpecial Marine WarningBUF84 min
Jun 23, 3:42 AM EDTSpecial Marine WarningBUF63 min
Jun 23, 3:44 AM EDTSpecial Marine WarningBUF61 min
Jun 23, 4:24 AM EDTSpecial Marine WarningBUF96 min
Jun 23, 4:29 AM EDTSevere Thunderstorm WarningBUFGenesee, Livingston, Monroe, Orleans, Wyoming46 min
Jun 23, 4:44 AM EDTSevere Thunderstorm WarningBUFChautauqua46 min
Jun 23, 4:52 AM EDTSevere Thunderstorm WarningBUFLivingston, Monroe, Ontario, Wayne53 min
Jun 23, 5:27 AM EDTSevere Thunderstorm WarningBUFCattaraugus, Chautauqua, Erie63 min
Jun 23, 6:02 AM EDTSevere Thunderstorm WarningBUFAllegany, Cattaraugus58 min

Nearby

Severe Thunderstorm Warnings in New York, 2015Every severe thunderstorm warning in 2015

Sources

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.