Alert archive / New York / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 72, NWS Buffalo, NY

August 10, 2011Cayuga County, Oswego County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Aug 10, 2011, 3:36 PM EDT for Cayuga County, Oswego County, New York. It was in force for 40 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 10, 2011, 3:36 PM EDT (19:36 UTC)
Expired
Aug 10, 2011, 4:16 PM EDT
In force
40 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon

Counties Cayuga County, NY, Oswego County, NY

The radar

The Ft Drum radar (KTYX), 75 km from the middle of the area, began a volume at 19:38 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

Albany, NY (KALY), launched 12:00Z, 7.6 hours before the alert went out and 203 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, Albany, NY at 12:00Z on 2011-08-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 78 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, Albany, NY at 12:00Z on 2011-08-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -25 square meters per square second.193958Sfc1 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
78 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
727 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
-25 m²/s²
0-3 km storm-relative helicity
-3 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.

009 
WUUS51 KBUF 101936
SVRBUF
NYC011-075-102030-
/O.NEW.KBUF.SV.W.0072.110810T1936Z-110810T2030Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
336 PM EDT WED AUG 10 2011

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTH CENTRAL CAYUGA COUNTY IN CENTRAL NEW YORK
  SOUTHERN OSWEGO COUNTY IN CENTRAL NEW YORK

* UNTIL 430 PM EDT

* AT 332 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 CATO...OR 11 MILES WEST OF
  BALDWINSVILLE...AND MOVING EAST AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  PHOENIX BY 405 PM EDT...
  CENTRAL SQUARE BY 420 PM EDT...
  

LAT...LON 4315 7588 4320 7607 4324 7612 4326 7620
      4320 7622 4322 7625 4320 7629 4323 7632
      4322 7647 4307 7649 4305 7663 4322 7669
      4341 7589 4329 7585
TIME...MOT...LOC 1935Z 256DEG 23KT 4316 7653

$$

REL
2 follow-up statements
823 
WWUS51 KBUF 102007
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
407 PM EDT WED AUG 10 2011

NYC011-102017-
/O.CAN.KBUF.SV.W.0072.000000T0000Z-110810T2030Z/
CAYUGA NY-
407 PM EDT WED AUG 10 2011

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL CAYUGA COUNTY IS
CANCELLED...

LAT...LON 4321 7608 4321 7607 4324 7586 4316 7588
      4315 7588 4315 7589 4318 7601
TIME...MOT...LOC 2007Z 264DEG 62KT 4312 7609

$$

NYC075-102030-
/O.CON.KBUF.SV.W.0072.000000T0000Z-110810T2030Z/
OSWEGO NY-
407 PM EDT WED AUG 10 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM EDT
FOR EXTREME SOUTHEASTERN OSWEGO COUNTY...

AT 359 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 OVER CENTRAL ONONDAGA
COUNTY...OR NEAR LIVERPOOL...MOVING EAST AT 50 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  RURAL OSWEGO COUNTY

LAT...LON 4321 7608 4321 7607 4324 7586 4316 7588
      4315 7588 4315 7589 4318 7601
TIME...MOT...LOC 2007Z 264DEG 44KT 4312 7609

$$

LAPLANTE
187 
WWUS51 KBUF 102016
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
416 PM EDT WED AUG 10 2011

NYC075-102026-
/O.CAN.KBUF.SV.W.0072.000000T0000Z-110810T2030Z/
OSWEGO NY-
416 PM EDT WED AUG 10 2011

...THE SEVERE THUNDERSTORM WARNING FOR EXTREME SOUTHEASTERN OSWEGO
COUNTY IS CANCELLED...

AT 416 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED THAT THE SEVERE
THUNDERSTORM THAT PROMPTED THE WARNING HAD EXITED THE WARNED AREA...
THUS THE WARNING HAS BEEN CANCELLED.

LAT...LON 4321 7608 4321 7607 4324 7586 4316 7588
      4315 7588 4315 7589 4318 7601
TIME...MOT...LOC 2016Z 264DEG 44KT 4313 7594

$$

REL

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 9, 11:13 PM EDTSpecial Marine WarningBUF103 min
Aug 10, 12:12 PM EDTSpecial Marine WarningBUF108 min
Aug 10, 2:42 PM EDTSpecial Marine WarningBUF93 min
Aug 10, 2:56 PM EDTSpecial Marine WarningBUF79 min

Nearby

Severe Thunderstorm Warnings in New York, 2011Every severe thunderstorm warning in 2011

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.