Alert archive / New York / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 43, NWS Buffalo, NY

July 7, 20144 counties in New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jul 7, 2014, 10:25 PM EDT for 4 counties in New York. It was in force for 65 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: Jul 7, 2014, 10:25 PM EDT (02:25 UTC)
Expired: Jul 7, 2014, 11:30 PM EDT
In force: 65 min
Issued by: NWS Buffalo, NY
Area: Storm-based polygon

Counties Erie County, NY, Genesee County, NY, Orleans County, NY, Wyoming County, NY

The radar

The Buffalo radar (KBUF), 10 km from the middle of the area, began a volume at 02:27 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 00:00Z, 2.4 hours before the alert went out and 8 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: 741 J/kg
Mixed-layer CIN: -18 J/kg
Mixed-layer LCL: 762 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 107 m²/s²
0-3 km storm-relative helicity: 123 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.3

Open this sounding in Storm Lab

The text

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

389 
WUUS51 KBUF 080225
SVRBUF
NYC029-037-073-121-080330-
/O.NEW.KBUF.SV.W.0043.140708T0225Z-140708T0330Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
1025 PM EDT MON JUL 7 2014

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN ERIE COUNTY IN WESTERN NEW YORK
  WESTERN GENESEE COUNTY IN WESTERN NEW YORK
  SOUTH CENTRAL ORLEANS COUNTY IN WESTERN NEW YORK
  NORTHWESTERN WYOMING COUNTY IN WESTERN NEW YORK

THIS ALSO INCLUDES THE NEW YORK THRUWAY BETWEEN EXITS 49 AND 56.

* UNTIL 1130 PM EDT

* AT 1025 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED NEAR BUFFALO...AND MOVING EAST
  AT 35 MPH.

* SOME LOCATIONS IN THE WARNING INCLUDE...
  BUFFALO...
  CHEEKTOWAGA...
  DEPEW...
  LANCASTER...
  ALDEN...
  AKRON...
  OAKFIELD...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.

&&

LAT...LON 4309 7851 4308 7847 4311 7846 4319 7824
      4285 7816 4279 7886 4282 7888 4284 7887
      4287 7890 4294 7892
TIME...MOT...LOC 0225Z 253DEG 29KT 4289 7883

$$

RSH

3 follow-up statements

355 
WWUS51 KBUF 080246
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
1046 PM EDT MON JUL 7 2014

NYC073-080256-
/O.CAN.KBUF.SV.W.0043.000000T0000Z-140708T0330Z/
ORLEANS NY-
1046 PM EDT MON JUL 7 2014

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL ORLEANS COUNTY
IS CANCELLED...

LAT...LON 4306 7853 4312 7822 4285 7816 4280 7874
      4301 7869
TIME...MOT...LOC 0246Z 262DEG 33KT 4290 7853

$$

NYC029-037-121-080330-
/O.CON.KBUF.SV.W.0043.000000T0000Z-140708T0330Z/
GENESEE NY-WYOMING NY-ERIE NY-
1046 PM EDT MON JUL 7 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1130 PM EDT
FOR NORTHEASTERN ERIE...NORTHWESTERN WYOMING AND WESTERN GENESEE
COUNTIES...

AT 1045 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR ALDEN...OR NEAR
LANCASTER...MOVING EAST AT 40 MPH.

SOME LOCATIONS IN THE WARNING INCLUDE...
  CORFU...
  DARIEN...
  ALEXANDER...
  ALEXANDER...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO HEAVY RAIN AND DAMAGING WINDS...CONTINUOUS CLOUD TO 
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS 
IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS. 
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE 
STRUCK BY LIGHTNING.

&&

LAT...LON 4306 7853 4312 7822 4285 7816 4280 7874
      4301 7869
TIME...MOT...LOC 0246Z 262DEG 33KT 4290 7853

$$

RSH

593 
WWUS51 KBUF 080310
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
1110 PM EDT MON JUL 7 2014

NYC029-080320-
/O.CAN.KBUF.SV.W.0043.000000T0000Z-140708T0330Z/
ERIE NY-
1110 PM EDT MON JUL 7 2014

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN ERIE COUNTY IS
CANCELLED...

LAT...LON 4283 7845 4307 7843 4312 7822 4285 7816
TIME...MOT...LOC 0310Z 268DEG 32KT 4289 7824

$$

NYC037-121-080330-
/O.CON.KBUF.SV.W.0043.000000T0000Z-140708T0330Z/
GENESEE NY-WYOMING NY-
1110 PM EDT MON JUL 7 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1130 PM EDT
FOR NORTH CENTRAL WYOMING AND WESTERN GENESEE COUNTIES...

AT 1100 PM EDT...A SEVERE THUNDERSTORM WAS REPORTED CAPABLE OF
PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED
NEAR DARIEN...OR 13 MILES SOUTHWEST OF BATAVIA...MOVING EAST AT 35
MPH.

SOME LOCATIONS IN THE WARNING INCLUDE...
  RURAL GENESEE COUNTY

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO VERY HEAVY RAIN AND DAMAGING WINDS...FREQUENT CLOUD 
TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. LIGHTNING IS ONE 
OF NATURES NUMBER ONE KILLERS. REMEMBER...IF YOU CAN HEAR 
THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.

&&

LAT...LON 4283 7845 4307 7843 4312 7822 4285 7816
TIME...MOT...LOC 0310Z 268DEG 32KT 4289 7824

$$

RSH

848 
WWUS51 KBUF 080327
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
1127 PM EDT MON JUL 7 2014

NYC037-121-080337-
/O.EXP.KBUF.SV.W.0043.000000T0000Z-140708T0330Z/
GENESEE NY-WYOMING NY-
1127 PM EDT MON JUL 7 2014

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN WYOMING AND
WESTERN GENESEE COUNTIES WILL EXPIRE AT 1130 PM EDT...

RADAR INDICATED THAT HEAVY RAIN...AND GUSTY WINDS WERE STILL 
POSSIBLE FROM THE THUNDERSTORM AS IT PUSHES EAST.

LAT...LON 4283 7845 4307 7843 4312 7822 4285 7816
TIME...MOT...LOC 0327Z 268DEG 32KT 4289 7803

$$

RSH

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 7, 8:12 PM EDT	Special Marine Warning	BUF		63 min
Jul 7, 9:02 PM EDT	Special Marine Warning	BUF		58 min
Jul 7, 10:20 PM EDT	Special Marine Warning	BUF		25 min
Jul 8, 2:03 AM EDT	Small Craft Advisory	BUF		33 hr
Jul 8, 1:01 PM EDT	Severe Thunderstorm Warning	BUF	Cattaraugus, Chautauqua	59 min
Jul 8, 1:56 PM EDT	Severe Thunderstorm Warning	BUF	Erie, Wyoming	49 min
Jul 8, 2:43 PM EDT	Special Marine Warning	BUF		92 min
Jul 8, 2:45 PM EDT	Severe Thunderstorm Warning	BUF	Chautauqua	60 min
Jul 8, 3:06 PM EDT	Severe Thunderstorm Warning	BUF	Cattaraugus, Chautauqua, Erie	54 min
Jul 8, 3:08 PM EDT	Special Marine Warning	BUF		82 min
Jul 8, 3:28 PM EDT	Special Marine Warning	BUF		92 min
Jul 8, 3:35 PM EDT	Severe Thunderstorm Warning	BUF	Erie, Niagara	55 min
Jul 8, 3:46 PM EDT	Special Weather Statement	BUF	Lewis	44 min
Jul 8, 4:00 PM EDT	Severe Thunderstorm Warning	BUF	Cattaraugus, Erie	45 min
Jul 8, 4:10 PM EDT	Severe Thunderstorm Warning	BUF	Erie, Genesee, Niagara, Orleans, Wyoming	44 min
Jul 8, 4:21 PM EDT	Special Marine Warning	BUF		84 min
Jul 8, 4:31 PM EDT	Severe Thunderstorm Warning	BUF	Genesee, Livingston, Monroe, Ontario, Orleans, Wyoming	57 min
Jul 8, 4:43 PM EDT	Severe Thunderstorm Warning	BUF	Allegany, Cattaraugus	62 min
Jul 8, 4:51 PM EDT	Severe Thunderstorm Warning	BUF	Cayuga, Ontario, Oswego, Wayne	54 min
Jul 8, 4:57 PM EDT	Special Marine Warning	BUF		63 min
Jul 8, 4:58 PM EDT	Areal Flood Advisory	BUF	Genesee, Livingston, Monroe, Ontario, Orleans, Wyoming	3 hr
Jul 8, 5:02 PM EDT	Severe Thunderstorm Warning	BUF	Monroe, Ontario, Wayne	58 min
Jul 8, 5:16 PM EDT	Special Marine Warning	BUF		89 min
Jul 8, 5:41 PM EDT	Severe Thunderstorm Warning	BUF	Cayuga, Oswego, Wayne	79 min
Jul 8, 5:56 PM EDT	Special Marine Warning	BUF		64 min
Jul 8, 6:03 PM EDT	Severe Thunderstorm Warning	BUF	Jefferson, Oswego	57 min
Jul 8, 6:12 PM EDT	Severe Thunderstorm Warning	BUF	Jefferson, Lewis	78 min
Jul 8, 6:54 PM EDT	Areal Flood Advisory	BUF	Jefferson, Lewis	3 hr
Jul 8, 7:30 PM EDT	Special Marine Warning	BUF		60 min

Nearby

Severe Thunderstorm Warnings in New York, 2014 Every severe thunderstorm warning in 2014

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.