Alert archive / New York / Special Weather Statements in 2011

Special Weather Statement, NWS Albany, NY

April 20, 2011Fulton County, Montgomery County, Schoharie County, New York

NWS Albany, NY issued this special weather statement at Apr 20, 2011, 8:13 AM EDT for Fulton County, Montgomery County, Schoharie County, New York. It was in force for 32 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
Apr 20, 2011, 8:13 AM EDT (12:13 UTC)
Expired
Apr 20, 2011, 8:45 AM EDT
In force
32 min
Issued by
NWS Albany, NY

Counties Fulton County, NY, Montgomery County, NY, Schoharie County, NY

The radar

The Albany radar (KENX), 53 km from the middle of the area, began a volume at 12:13 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, 0.2 hours before the alert went out and 61 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 2011-04-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 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 2011-04-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 477 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
498 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
477 m²/s²
0-3 km storm-relative helicity
773 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.

713 
WWUS81 KALY 201213
SPSALY

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ALBANY NY
813 AM EDT WED APR 20 2011

NYZ033-038>042-047>051-082-083-201245-
HAMILTON NY-MONTGOMERY NY-SCHOHARIE NY-NORTHERN WARREN NY-
SOUTHEAST WARREN NY-SOUTHERN FULTON NY-NORTHERN FULTON NY-
SOUTHERN HERKIMER NY-WESTERN SCHENECTADY NY-EASTERN SCHENECTADY NY-
WESTERN ALBANY NY-SOUTHERN SARATOGA NY-NORTHERN SARATOGA NY-
813 AM EDT WED APR 20 2011

...STRONG THUNDERSTORMS IN

  HAMILTON COUNTY IN EASTERN NEW YORK...
  MONTGOMERY COUNTY IN EASTERN NEW YORK...
  SCHOHARIE COUNTY IN EAST CENTRAL NEW YORK...
  WARREN COUNTY IN EAST CENTRAL NEW YORK...
  FULTON COUNTY IN EASTERN NEW YORK...
  HERKIMER COUNTY IN EASTERN NEW YORK...
  SCHENECTADY COUNTY IN EAST CENTRAL NEW YORK...
  ALBANY COUNTY IN EAST CENTRAL NEW YORK...
  SARATOGA COUNTY IN EAST CENTRAL NEW YORK...

AT 808 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF THUNDERSTORMS CAPABLE OF PRODUCING...AROUND HALF INCH HAIL...
WINDS AROUND 50 MPH...FREQUENT LIGHTNING...AND HEAVY RAIN.  THESE
STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 12 MILES NORTH OF
CAROGA LAKE TO STRATFORD TO ST. JOHNSVILLE TO FORT PLAIN TO SHARON 
SPRINGS TO 12 MILES WEST OF SUMMIT...AND MOVING EAST AT 55 MPH.

THUNDERSTORMS WILL BE NEAR...
SACANDAGA CAMPGROUND...WELLS...CAROGA LAKE PUBLIC CAMPGROUND AND
SUMMIT BY 820 AM EDT
JOHNSTOWN...GLOVERSVILLE AND COBLESKILL BY 825 AM EDT
FONDA...TRIBES HILL AND MAYFIELD BY 830 AM EDT

LAT...LON 4317 7473 4338 7458 4348 7378 4315 7399
      4287 7404 4260 7416 4254 7469 4262 7464
      4274 7467 4283 7466 4288 7483 4294 7482
TIME...MOT...LOC 1212Z 260DEG 47KT 4332 7444 4319 7455
          4314 7457 4308 7461 4300 7458 4296 7464
          4291 7464 4280 7466 4262 7475

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 20, 4:52 AM EDTFlood WatchALYFulton, Hamilton, Herkimer, Warren, Washington9 min
Apr 20, 5:05 AM EDTFlood WatchALYFulton, Hamilton, Herkimer, Warren, Washington11 hr
Apr 20, 7:49 AM EDTSpecial Weather StatementALYFulton26 min
Apr 20, 8:43 AM EDTSpecial Weather StatementALYAlbany, Greene, Montgomery, Saratoga, Schenectady, Schoharie and 2 more32 min
Apr 20, 9:16 AM EDTSpecial Weather StatementALYRensselaer29 min
Apr 20, 4:45 PM EDTSpecial Weather StatementALYFulton, Montgomery45 min
Apr 20, 5:51 PM EDTSpecial Weather StatementALYMontgomery, Schenectady39 min
Apr 20, 6:49 PM EDTSpecial Weather StatementALYSchoharie41 min
Apr 20, 7:28 PM EDTSpecial Weather StatementALYSchenectady, Schoharie47 min
Apr 20, 9:40 AM EDTSpecial Weather StatementALYWindham35 min

Nearby

Special Weather Statements in New York, 2011Every special weather statement 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.