Alert archive / New York / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 58, NWS Buffalo, NY

July 26, 2011Jefferson County, Lewis County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jul 26, 2011, 3:26 PM EDT for Jefferson County, Lewis County, New York. It was in force for 49 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 26, 2011, 3:26 PM EDT (19:26 UTC)
Expired
Jul 26, 2011, 4:15 PM EDT
In force
49 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon

Counties Jefferson County, NY, Lewis County, NY

The radar

The Ft Drum radar (KTYX), 31 km from the middle of the area, began a volume at 19:26 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jul 26, 11:28 AM EDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 7.4 hours before the alert went out and 186 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 2011-07-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 72 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 2011-07-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 5 square meters per square second.1939587897Sfc1 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
72 J/kg
Mixed-layer CIN
-57 J/kg
Mixed-layer LCL
611 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
5 m²/s²
0-3 km storm-relative helicity
36 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

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

698 
WUUS51 KBUF 261926
SVRBUF
NYC045-049-262015-
/O.NEW.KBUF.SV.W.0058.110726T1926Z-110726T2015Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
326 PM EDT TUE JUL 26 2011

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EAST CENTRAL JEFFERSON COUNTY IN CENTRAL NEW YORK
  NORTHERN LEWIS COUNTY IN CENTRAL NEW YORK

* UNTIL 415 PM EDT

* AT 322 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.  THIS STORM WAS LOCATED 9
  MILES NORTH OF CARTHAGE...OR 8 MILES NORTHEAST OF FORT DRUM...AND
  MOVING SOUTHEAST AT 30 MPH.

* SOME LOCATIONS IN THE WARNING INCLUDE...
  FORT DRUM...
  CARTHAGE...
  NATURAL BRIDGE...
  INDIAN RIVER...
  CROGHAN...

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.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM EDT
TUESDAY EVENING FOR CENTRAL NEW YORK.

&&

LAT...LON 4372 7525 4408 7580 4423 7567 4404 7516
      4380 7514
TIME...MOT...LOC 1925Z 301DEG 27KT 4411 7562

$$

HIBBERT
2 follow-up statements
111 
WWUS51 KBUF 261954
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
354 PM EDT TUE JUL 26 2011

NYC045-049-262015-
/O.CON.KBUF.SV.W.0058.000000T0000Z-110726T2015Z/
LEWIS NY-JEFFERSON NY-
354 PM EDT TUE JUL 26 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM EDT
FOR EAST CENTRAL JEFFERSON AND NORTHEASTERN LEWIS COUNTIES...

AT 348 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.  THIS STORM WAS
LOCATED NEAR INDIAN RIVER...OR 20 MILES EAST OF FORT DRUM...MOVING
SOUTHEAST AT 35 MPH.

SOME LOCATIONS IN THE WARNING INCLUDE...
  FORT DRUM...
  NATURAL BRIDGE...
  INDIAN RIVER...
  RURAL NORTHERN LEWIS COUNTY

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.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM EDT
TUESDAY EVENING FOR CENTRAL NEW YORK.

&&

LAT...LON 4387 7533 4408 7580 4423 7567 4404 7516
      4380 7514
TIME...MOT...LOC 1953Z 294DEG 31KT 4401 7532

$$

HIBBERT
341 
WWUS51 KBUF 262013
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
413 PM EDT TUE JUL 26 2011

NYC045-049-262022-
/O.EXP.KBUF.SV.W.0058.000000T0000Z-110726T2015Z/
LEWIS NY-JEFFERSON NY-
413 PM EDT TUE JUL 26 2011

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL JEFFERSON AND
NORTHEASTERN LEWIS COUNTIES WILL EXPIRE AT 415 PM EDT...

AT 412 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED THAT THE SEVERE
THUNDERSTORM THAT PROMPTED THE WARNING HAD WEAKENED AND WAS NO LONGER
SEVERE...THUS THE WARNING WILL BE ALLOWED TO EXPIRE.

RADAR INDICATED THAT HEAVY RAIN AND GUSTY WINDS ARE STILL POSSIBLE 
FROM THE LINE OF THUNDERSTORMS OVER NORTHEASTERN JEFFERSON AND 
NORTHERN LEWIS COUNTIES.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM EDT
TUESDAY EVENING FOR CENTRAL NEW YORK.

LAT...LON 4387 7533 4408 7580 4423 7567 4404 7516
      4380 7514
TIME...MOT...LOC 2012Z 294DEG 31KT 4394 7511

$$

HIBBERT

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 25, 8:31 PM EDTSpecial Weather StatementBUFLivingston29 min
Jul 26, 9:32 AM EDTSpecial Marine WarningBUF15 min
Jul 26, 11:04 AM EDTSevere Thunderstorm WarningBUFOntario, Wayne56 min
Jul 26, 11:17 AM EDTSevere Thunderstorm WarningBUFCayuga, Wayne43 min
Jul 26, 11:52 AM EDTSevere Thunderstorm WarningBUFOswego23 min
Jul 26, 12:07 PM EDTSpecial Weather StatementBUFOntario53 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.