Alert archive / New York / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 91, NWS Albany, NY

August 11, 2012Albany County, Greene County, New York

NWS Albany, NY issued this severe thunderstorm warning at Aug 11, 2012, 1:21 PM EDT for Albany County, Greene County, New York. It was in force for 54 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 11, 2012, 1:21 PM EDT (17:21 UTC)
Expired: Aug 11, 2012, 2:15 PM EDT
In force: 54 min
Issued by: NWS Albany, NY
Area: Storm-based polygon

Counties Albany County, NY, Greene County, NY

The radar

The Albany radar (KENX), 22 km from the middle of the area, began a volume at 17:21 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, 5.4 hours before the alert went out and 38 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: 225 J/kg
Mixed-layer CIN: -48 J/kg
Mixed-layer LCL: 600 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 45 m²/s²
0-3 km storm-relative helicity: 105 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.

335 
WUUS51 KALY 111721
SVRALY
NYC001-039-111815-
/O.NEW.KALY.SV.W.0091.120811T1721Z-120811T1815Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ALBANY NY
121 PM EDT SAT AUG 11 2012

THE NATIONAL WEATHER SERVICE IN ALBANY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN ALBANY COUNTY IN EAST CENTRAL NEW YORK...
  GREENE COUNTY IN EAST CENTRAL NEW YORK...

* UNTIL 215 PM EDT

* AT 116 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 LANESVILLE...OR NEAR
  HUNTER...AND MOVING NORTHEAST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
   NORTH-SOUTH LAKE CAMPGROUND BY 135 PM EDT...
   WINDHAM BY 140 PM EDT...
   WESTERLO BY 215 PM EDT...

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 4264 7406 4251 7378 4249 7379 4246 7378
      4210 7415 4212 7431 4215 7440
TIME...MOT...LOC 1721Z 212DEG 19KT 4219 7423

$$

SNYDER

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 11, 12:26 PM EDT	Severe Thunderstorm Warning	ALY	Columbia	64 min
Aug 11, 12:35 PM EDT	Tornado Warning	ALY	Columbia	25 min
Aug 11, 1:30 PM EDT	Severe Thunderstorm Warning	ALY	Fulton, Hamilton	60 min
Aug 11, 1:51 PM EDT	Areal Flood Advisory	ALY	Columbia	3 hr
Aug 11, 2:34 PM EDT	Severe Thunderstorm Warning	ALY	Fulton, Hamilton, Saratoga, Warren	56 min
Aug 11, 2:36 PM EDT	Areal Flood Advisory	ALY	Fulton, Herkimer	91 min
Aug 11, 3:09 PM EDT	Flash Flood Warning	ALY	Columbia	5 hr
Aug 11, 3:13 PM EDT	Special Weather Statement	ALY	Herkimer	62 min
Aug 11, 3:18 PM EDT	Special Weather Statement	ALY	Hamilton	57 min
Aug 11, 3:33 PM EDT	Special Weather Statement	ALY	Columbia	57 min
Aug 11, 3:38 PM EDT	Severe Thunderstorm Warning	ALY	Columbia, Rensselaer	67 min
Aug 11, 6:11 PM EDT	Special Weather Statement	ALY	Fulton, Montgomery	34 min
Aug 11, 6:56 PM EDT	Special Weather Statement	ALY	Saratoga	34 min
Aug 11, 7:20 PM EDT	Severe Thunderstorm Warning	ALY	Fulton, Hamilton, Saratoga, Warren	55 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.