Alert archive / Vermont / Special Weather Statements in 2012

Special Weather Statement, NWS Albany, NY

July 4, 2012Windham County, Vermont

NWS Albany, NY issued this special weather statement at Jul 4, 2012, 10:47 PM EDT for Windham County, Vermont. It was in force for 28 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 4, 2012, 10:47 PM EDT (02:47 UTC)
Expired: Jul 4, 2012, 11:15 PM EDT
In force: 28 min
Issued by: NWS Albany, NY

County Windham County, VT

The radar

The Albany radar (KENX), 100 km from the middle of the area, began a volume at 02:48 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 00:00Z, 2.8 hours before the alert went out and 79 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: 862 J/kg
Mixed-layer CIN: -71 J/kg
Mixed-layer LCL: 1800 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 106 m²/s²
0-3 km storm-relative helicity: 183 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 9.3

Open this sounding in Storm Lab

The text

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

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Albany, NY wrote its last area forecast discussion before this special weather statement went out at Jul 4, 10:22 PM EDT, 25 minutes earlier.

Area forecast discussion, Jul 4, 10:22 PM EDT, 25 minutes before

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Hazardous weather outlook, Jul 4, 4:03 PM EDT, 6 hours 44 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ALBANY NY
403 PM EDT WED JUL 4 2012

CTZ001-013-MAZ001-025-NYZ032-033-038>043-047>054-058>061-063>066-
082>084-VTZ013>015-051100-
NORTHERN LITCHFIELD-SOUTHERN LITCHFIELD-NORTHERN BERKSHIRE-
SOUTHERN BERKSHIRE-NORTHERN HERKIMER-HAMILTON-SOUTHERN HERKIMER-
SOUTHERN FULTON-MONTGOMERY-NORTHERN SARATOGA-NORTHERN WARREN-
NORTHERN WASHINGTON-SCHOHARIE-WESTERN SCHENECTADY-
EASTERN SCHENECTADY-SOUTHERN SARATOGA-WESTERN ALBANY-EASTERN ALBANY-
WESTERN RENSSELAER-EASTERN RENSSELAER-WESTERN GREENE-EASTERN GREENE-
WESTERN COLUMBIA-EASTERN COLUMBIA-WESTERN ULSTER-EASTERN ULSTER-
WESTERN DUTCHESS-EASTERN DUTCHESS-NORTHERN FULTON-SOUTHEAST WARREN-
SOUTHERN WASHINGTON-BENNINGTON-WESTERN WINDHAM-EASTERN WINDHAM-
403 PM EDT WED JUL 4 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWESTERN
CONNECTICUT...WESTERN MASSACHUSETTS...EAST CENTRAL NEW YORK AND
SOUTHERN VERMONT.

.DAY ONE...TONIGHT.

ISOLATED TO SCATTERED NON SEVERE THUNDERSTORMS WILL OCCUR INTO
EARLY THIS EVENING. SOME OF THE THUNDERSTORMS COULD PRODUCE
LOCALLY HEAVY DOWNPOURS...AND GUSTY WINDS UP TO 45 MPH. THE
THUNDERSTORMS WILL MOVE FROM NORTHWEST TO SOUTHEAST AT 30 TO 40
MPH.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

THERE IS A CHANCE OF THUNDERSTORMS SATURDAY THROUGH EARLY SATURDAY EVENING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

In the hours before

Special weather statement, Jul 4, 8:56 PM EDT, 1 hour 51 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ALBANY NY
856 PM EDT WED JUL 4 2012

NYZ065-050130-
WESTERN DUTCHESS NY-
856 PM EDT WED JUL 4 2012

...A STRONG THUNDERSTORM IN

  EXTREME SOUTHWEST DUTCHESS COUNTY IN EAST CENTRAL NEW YORK...

AT 855 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL...WINDS AROUND 50
MPH. THIS STORM WAS LOCATED NEAR BEACON...AND MOVING SOUTHEAST AT 30
MPH.

LAT...LON 4145 7400 4152 7400 4154 7389 4150 7379
      4149 7384 4149 7392 4144 7398 4144 7399
TIME...MOT...LOC 0056Z 322DEG 28KT 4145 7393

KL/BJF

Special weather statement, Jul 4, 9:41 PM EDT, 1 hour 6 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ALBANY NY
941 PM EDT WED JUL 4 2012

VTZ013-014-050230-
BENNINGTON VT-WESTERN WINDHAM VT-
941 PM EDT WED JUL 4 2012

...A STRONG THUNDERSTORM IN

  NORTHERN BENNINGTON COUNTY IN SOUTHERN VERMONT...
  WESTERN WINDHAM COUNTY IN SOUTHERN VERMONT...

AT 939 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
THUNDERSTORM CAPABLE OF PRODUCING...WINDS AROUND 50 MPH...FREQUENT
LIGHTNING...AND HEAVY RAIN.  THIS STORM WAS LOCATED NEAR DORSET...OR
ABOUT 6 MILES NORTH OF MANCHESTER...AND MOVING SOUTHEAST AT 35 MPH.

THE THUNDERSTORM WILL BE NEAR...
MANCHESTER CENTER AND MANCHESTER BY 950 PM EDT
STRATTON AND WEST WARDSBORO BY 1010 PM EDT

LAT...LON 4297 7269 4286 7296 4328 7321 4331 7311
      4331 7295
TIME...MOT...LOC 0142Z 333DEG 30KT 4323 7304

FRUGIS

Local storm report, Jul 4, 10:32 PM EDT, 15 minutes before

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Special weather statement, Jul 4, 10:47 PM EDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 4, 8:56 PM EDT	Special Weather Statement	ALY	Putnam	34 min
Jul 4, 9:41 PM EDT	Special Weather Statement	ALY	Windham	49 min
Jul 4, 9:47 PM EDT	Severe Thunderstorm Warning	ALY	Bennington, Windham	58 min
Jul 4, 11:01 PM EDT	Special Weather Statement	ALY		14 min

Nearby

Special Weather Statements in Vermont, 2012 Every special weather statement 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.