Alert archive / New York / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 21, NWS Albany, NY

May 21, 2013Fulton County, Herkimer County, Montgomery County, New York

NWS Albany, NY issued this severe thunderstorm warning at May 21, 2013, 7:51 PM EDT for Fulton County, Herkimer County, Montgomery County, New York. It was in force for 54 min. 5 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: May 21, 2013, 7:51 PM EDT (23:51 UTC)
Expired: May 21, 2013, 8:45 PM EDT
In force: 54 min
Issued by: NWS Albany, NY
Area: Storm-based polygon

Counties Fulton County, NY, Herkimer County, NY, Montgomery County, NY

The radar

The Albany radar (KENX), 87 km from the middle of the area, began a volume at 23:52 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

Time	Report	Where	Remark
May 21, 8:15 PM EDT	TSTM WND DMG	Frankfort Hill, NY	MULTIPLE TREES DOWN.
May 21, 8:30 PM EDT	TSTM WND DMG	Dolgeville, NY	NUMEROUS TREES AND WIRES DOWN
May 21, 8:30 PM EDT	TSTM WND DMG	Frankfort, NY	TREES AND WIRES DOWN
May 21, 8:35 PM EDT	TSTM WND DMG	Oppenheim, NY	TREES AND WIRES DOWN ACROSS WESTERN PART OF COUNTY
May 21, 8:41 PM EDT	TSTM WND DMG	Schuyler Corners, NY	TREE ON FIRE STATION.

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

The watch it was issued in

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

Issued	Product	Office	Lasted
May 21, 1:40 PM EDT	Severe Thunderstorm Watch	SPC	10 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 11.9 hours before the alert went out and 98 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: 98 J/kg
Mixed-layer CIN: -172 J/kg
Mixed-layer LCL: 819 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 119 m²/s²
0-3 km storm-relative helicity: 149 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.

281 
WUUS51 KALY 212351
SVRALY
NYC035-043-057-220045-
/O.NEW.KALY.SV.W.0021.130521T2351Z-130522T0045Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ALBANY NY
751 PM EDT TUE MAY 21 2013

THE NATIONAL WEATHER SERVICE IN ALBANY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WESTERN FULTON COUNTY IN EASTERN NEW YORK...
  SOUTHERN HERKIMER COUNTY IN EASTERN NEW YORK...
  THIS INCLUDES THE CITIES OF...LITTLE FALLS...ILION...HERKIMER...
  WESTERN MONTGOMERY COUNTY IN EASTERN NEW YORK...
  THIS INCLUDES THE CITY OF CANAJOHARIE...

* UNTIL 845 PM EDT

* AT 748 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 10
  MILES WEST OF FRANKFORT...OR NEAR UTICA...AND MOVING EAST AT 40
  MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  FRANKFORT BY 800 PM EDT...
  ILION BY 805 PM EDT...
  HERKIMER AND MIDDLEVILLE BY 810 PM EDT...
  LITTLE FALLS BY 820 PM EDT...
  DOLGEVILLE BY 825 PM EDT...
  ST. JOHNSVILLE BY 830 PM EDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM HAS A HISTORY OF PRODUCING DESTRUCTIVE WINDS AND LARGE
DAMAGING HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY
AWAY FROM WINDOWS!

PLEASE REPORT HAIL SIZE...DAMAGING WINDS AND REPORTS OF TREES DOWN TO
THE NATIONAL WEATHER SERVICE BY EMAIL AT ALB.STORMREPORT@NOAA.GOV...
ON FACEBOOK AT WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.ALBANY.GOV
OR TWITTER @NWSALBANY.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT
TUESDAY EVENING FOR NORTHERN CONNECTICUT AND WESTERN MASSACHUSETTS
AND EASTERN NEW YORK AND SOUTHERN VERMONT.

&&

LAT...LON 4322 7508 4326 7516 4330 7515 4332 7508
      4326 7465 4323 7453 4322 7445 4284 7439
      4284 7471 4289 7487 4284 7488 4283 7494
      4290 7509 4285 7514 4285 7521 4306 7522
TIME...MOT...LOC 2351Z 271DEG 36KT 4308 7523

$$

TAW/IRL

1 follow-up statement

168 
WWUS51 KALY 220031
SVSALY

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ALBANY NY
831 PM EDT TUE MAY 21 2013

NYC035-043-057-220045-
/O.CON.KALY.SV.W.0021.000000T0000Z-130522T0045Z/
MONTGOMERY NY-FULTON NY-HERKIMER NY-
831 PM EDT TUE MAY 21 2013

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM EDT
FOR SOUTHERN HERKIMER...WESTERN FULTON AND WESTERN MONTGOMERY
COUNTIES...

AT 830 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
LOCATED NEAR OPPENHEIM...OR 8 MILES EAST OF LITTLE FALLS...MOVING
EAST AT 40 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  9 MILES NORTH OF NELLISTON BY 835 PM EDT...
  SCOTCHBRUSH...BRADTVILLE...ROCKWOOD AND FICAL CORNERS BY 840 PM
  EDT...
  CORK...CAROGA LAKE PUBLIC CAMPGROUND...EPPIE CORNERS AND KECKS
  CENTER BY 845 PM EDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM HAS A HISTORY OF PRODUCING DESTRUCTIVE WINDS AND LARGE
DAMAGING HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY
AWAY FROM WINDOWS!

PLEASE REPORT HAIL SIZE...DAMAGING WINDS AND REPORTS OF TREES DOWN TO
THE NATIONAL WEATHER SERVICE BY EMAIL AT ALB.STORMREPORT@NOAA.GOV...
ON FACEBOOK AT WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.ALBANY.GOV
OR TWITTER @NWSALBANY.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT
TUESDAY EVENING FOR NORTHERN CONNECTICUT AND WESTERN MASSACHUSETTS
AND EASTERN NEW YORK AND SOUTHERN VERMONT.

&&

LAT...LON 4322 7508 4326 7516 4330 7515 4332 7508
      4326 7465 4323 7453 4322 7445 4284 7439
      4284 7471 4289 7487 4284 7488 4283 7494
      4290 7509 4285 7514 4285 7521 4306 7522
TIME...MOT...LOC 0031Z 271DEG 36KT 4307 7468

$$

TAW/IRL

The office that day

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

Issued	Product	Office	Counties	Lasted
May 21, 2:26 AM EDT	Special Weather Statement	ALY	Hamilton, Herkimer	64 min
May 21, 3:34 AM EDT	Special Weather Statement	ALY	Fulton, Hamilton, Montgomery, Saratoga, Schenectady, Warren	56 min
May 21, 2:29 PM EDT	Special Weather Statement	ALY	Columbia	31 min
May 21, 2:34 PM EDT	Severe Thunderstorm Warning	ALY	Albany, Columbia, Greene, Rensselaer	41 min
May 21, 2:56 PM EDT	Special Weather Statement	ALY	Rensselaer	34 min
May 21, 2:58 PM EDT	Special Weather Statement	ALY	Schoharie	32 min
May 21, 3:11 PM EDT	Severe Thunderstorm Warning	ALY	Albany, Columbia, Rensselaer	64 min
May 21, 3:15 PM EDT	Severe Thunderstorm Warning	ALY	Columbia, Rensselaer	60 min
May 21, 3:35 PM EDT	Special Weather Statement	ALY	Albany	25 min
May 21, 3:38 PM EDT	Special Weather Statement	ALY	Columbia	37 min
May 21, 3:50 PM EDT	Severe Thunderstorm Warning	ALY	Albany, Columbia, Greene, Rensselaer	40 min
May 21, 3:53 PM EDT	Severe Thunderstorm Warning	ALY	Rensselaer	67 min
May 21, 3:55 PM EDT	Severe Thunderstorm Warning	ALY	Columbia	65 min
May 21, 4:00 PM EDT	Severe Thunderstorm Warning	ALY	Fulton, Herkimer, Montgomery	60 min
May 21, 4:14 PM EDT	Areal Flood Advisory	ALY	Albany, Columbia, Greene, Rensselaer	6 hr
May 21, 4:41 PM EDT	Severe Thunderstorm Warning	ALY	Columbia	49 min
May 21, 4:57 PM EDT	Tornado Warning	ALY	Columbia, Dutchess	33 min
May 21, 5:06 PM EDT	Severe Thunderstorm Warning	ALY	Fulton, Hamilton, Herkimer, Montgomery, Saratoga, Warren	54 min
May 21, 5:18 PM EDT	Severe Thunderstorm Warning	ALY	Columbia, Dutchess	42 min
May 21, 5:31 PM EDT	Tornado Warning	ALY	Columbia, Dutchess	29 min
May 21, 5:49 PM EDT	Special Weather Statement	ALY	Otsego	26 min
May 21, 6:01 PM EDT	Special Weather Statement	ALY	Saratoga	29 min
May 21, 6:09 PM EDT	Special Weather Statement	ALY	Columbia	36 min
May 21, 6:24 PM EDT	Severe Thunderstorm Warning	ALY	Columbia, Dutchess	66 min
May 21, 6:32 PM EDT	Special Weather Statement	ALY	Warren	28 min
May 21, 6:40 PM EDT	Special Weather Statement	ALY	Hamilton	65 min
May 21, 6:58 PM EDT	Severe Thunderstorm Warning	ALY	Dutchess	62 min
May 21, 7:08 PM EDT	Severe Thunderstorm Warning	ALY	Hamilton, Herkimer	67 min
May 21, 7:24 PM EDT	Special Weather Statement	ALY	Herkimer	36 min
May 21, 7:28 PM EDT	Severe Thunderstorm Warning	ALY	Hamilton, Herkimer	62 min
May 21, 7:57 PM EDT	Special Weather Statement	ALY	Washington	33 min

Nearby

Severe Thunderstorm Warnings in New York, 2013 Every severe thunderstorm warning in 2013

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.