Alert archive / New York / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 113, NWS Albany, NY

September 8, 2012Columbia County, Dutchess County, New York

NWS Albany, NY issued this severe thunderstorm warning at Sep 8, 2012, 5:45 PM EDT for Columbia County, Dutchess County, New York. It was in force for 22 min. 1 report 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: Sep 8, 2012, 5:45 PM EDT (21:45 UTC)
Expired: Sep 8, 2012, 6:07 PM EDT
In force: 22 min
Issued by: NWS Albany, NY
Area: Storm-based polygon

Counties Columbia County, NY, Dutchess County, NY

The radar

The Albany radar (KENX), 97 km from the middle of the area, began a volume at 21:46 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
Sep 8, 5:46 PM EDT	TSTM WND DMG	Dover Plains, NY	NUMEROUS TREES DOWN

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
Sep 8, 11:18 AM EDT	Tornado Watch	SPC	10 hr
Sep 8, 12:40 PM EDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 9.8 hours before the alert went out and 104 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: 113 J/kg
Mixed-layer CIN: -168 J/kg
Mixed-layer LCL: 869 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 294 m²/s²
0-3 km storm-relative helicity: 397 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.8

Open this sounding in Storm Lab

The text

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

869 
WUUS51 KALY 082145
SVRALY
NYC021-027-082215-
/O.NEW.KALY.SV.W.0113.120908T2145Z-120908T2215Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ALBANY NY
545 PM EDT SAT SEP 8 2012

THE NATIONAL WEATHER SERVICE IN ALBANY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN DUTCHESS COUNTY IN EAST CENTRAL NEW YORK...
  COLUMBIA COUNTY IN EAST CENTRAL NEW YORK...

* UNTIL 615 PM EDT

* AT 541 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS.  THESE STORMS WERE LOCATED ALONG A
  LINE EXTENDING FROM HOPEWELL JUNCTION TO ANCRAM TO 6 MILES
  NORTHEAST OF VALATIE...OR ALONG A LINE EXTENDING FROM 8 MILES EAST
  OF BEACON TO 16 MILES EAST OF SAUGERTIES TO NASSAU...AND MOVING
  EAST AT 40 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
   COPAKE AND AUSTERLITZ BY 550 PM EDT...
   PAWLING...DOVER PLAINS AND AMENIA BY 555 PM EDT...
   WINGDALE BY 600 PM EDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT SATURDAY EVENING
FOR NORTHERN CONNECTICUT AND WESTERN MASSACHUSETTS AND EASTERN NEW
YORK AND SOUTHERN VERMONT.

&&

LAT...LON 4150 7383 4151 7382 4151 7383 4162 7383
      4163 7382 4201 7380 4247 7368 4248 7340
      4203 7352 4155 7356 4151 7363 4150 7382
TIME...MOT...LOC 2145Z 248DEG 37KT 4154 7376 4206 7359
          4248 7354

$$

BGM/HWJIV

1 follow-up statement

576 
WWUS51 KALY 082207
SVSALY

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ALBANY NY
607 PM EDT SAT SEP 8 2012

NYC021-027-082215-
/O.CAN.KALY.SV.W.0113.000000T0000Z-120908T2215Z/
DUTCHESS NY-COLUMBIA NY-
607 PM EDT SAT SEP 8 2012

...THE SEVERE THUNDERSTORM WARNING FOR COLUMBIA AND EASTERN DUTCHESS
COUNTIES IS CANCELLED...

THE LINE OF SEVERE THUNDERSTORMS HAS MOVED OUT OF DUTCHESS AND 
COLUMBIA COUNTIES. THERE COULD STILL BE SOME RESIDUAL THUNDERSTORM 
ACTIVITY BUT IT WILL NOT BE SEVERE.     

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


LAT...LON 4150 7383 4151 7382 4151 7383 4162 7383
      4163 7382 4201 7380 4247 7368 4248 7340
      4203 7352 4155 7356 4151 7363 4150 7382
TIME...MOT...LOC 2205Z 248DEG 37KT 4162 7351 4213 7333
          4255 7328

$$

HWJIV/BGM

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 8, 11:38 AM EDT	Severe Thunderstorm Warning	ALY	Dutchess	52 min
Sep 8, 12:32 PM EDT	Severe Thunderstorm Warning	ALY	Columbia, Dutchess	58 min
Sep 8, 1:12 PM EDT	Special Weather Statement	ALY	Herkimer	48 min
Sep 8, 1:24 PM EDT	Severe Thunderstorm Warning	ALY	Fulton, Hamilton, Herkimer, Montgomery	96 min
Sep 8, 2:56 PM EDT	Severe Thunderstorm Warning	ALY	Fulton, Hamilton, Herkimer, Montgomery, Saratoga, Schenectady and 2 more	79 min
Sep 8, 3:06 PM EDT	Severe Thunderstorm Warning	ALY	Greene, Schoharie, Ulster	69 min
Sep 8, 3:51 PM EDT	Severe Thunderstorm Warning	ALY	Greene, Ulster	54 min
Sep 8, 3:52 PM EDT	Severe Thunderstorm Warning	ALY	Albany, Fulton, Montgomery, Rensselaer, Saratoga, Schenectady and 3 more	53 min
Sep 8, 4:27 PM EDT	Severe Thunderstorm Warning	ALY	Rensselaer, Washington	63 min
Sep 8, 4:49 PM EDT	Severe Thunderstorm Warning	ALY	Columbia, Dutchess, Greene, Ulster	56 min
Sep 8, 5:08 PM EDT	Severe Thunderstorm Warning	ALY	Ulster	37 min
Sep 8, 5:44 PM EDT	Tornado Warning	ALY	Columbia	17 min

Nearby

Severe Thunderstorm Warnings in New York, 2012 Every severe thunderstorm warning in 2012

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.