Alert archive / New York / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 68, NWS Albany, NY

August 4, 2015Rensselaer County, New York; Bennington County, Vermont; Berkshire County, Massachusetts

NWS Albany, NY issued this severe thunderstorm warning at Aug 4, 2015, 2:01 PM EDT for Rensselaer County, New York; Bennington County, Vermont; Berkshire County, Massachusetts. It was in force for 24 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 4, 2015, 2:01 PM EDT (18:01 UTC)
Expired
Aug 4, 2015, 2:25 PM EDT
In force
24 min
Issued by
NWS Albany, NY
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Berkshire County, MA, Rensselaer County, NY, Bennington County, VT

The radar

The Albany radar (KENX), 66 km from the middle of the area, began a volume at 18:05 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 watch it was issued in

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

IssuedProductOfficeLasted
Aug 4, 12:18 PM EDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 6.0 hours before the alert went out and 46 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 2015-08-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 163 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Albany, NY at 12:00Z on 2015-08-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 34 square meters per square second.1939587897117Sfc1 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
163 J/kg
Mixed-layer CIN
-137 J/kg
Mixed-layer LCL
1132 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
34 m²/s²
0-3 km storm-relative helicity
108 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Aug 4, 1:51 PM EDT, 10 minutes earlier.

Area forecast discussion, Aug 4, 1:51 PM EDT, 10 minutes before
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Hazardous weather outlook, Aug 4, 12:30 PM EDT, 1 hour 31 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ALBANY NY
1230 PM EDT TUE AUG 4 2015

MAZ001-025-NYZ041>043-048>054-058>061-083-084-VTZ013>015-051100-
NORTHERN BERKSHIRE-SOUTHERN BERKSHIRE-NORTHERN SARATOGA-
NORTHERN WARREN-NORTHERN WASHINGTON-WESTERN SCHENECTADY-
EASTERN SCHENECTADY-SOUTHERN SARATOGA-WESTERN ALBANY-EASTERN ALBANY-
WESTERN RENSSELAER-EASTERN RENSSELAER-WESTERN GREENE-EASTERN GREENE-
WESTERN COLUMBIA-EASTERN COLUMBIA-SOUTHEAST WARREN-
SOUTHERN WASHINGTON-BENNINGTON-WESTERN WINDHAM-EASTERN WINDHAM-
1230 PM EDT TUE AUG 4 2015

...SEVERE THUNDERSTORM WATCH 469 IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN MASSACHUSETTS...SOUTHERN
VERMONT...AND PORTIONS OF EAST CENTRAL NEW YORK INCLUDING THE
CAPITAL REGION...NORTHERN AND CENTRAL TACONICS...LAKE GEORGE
SARATOGA REGION AND THE HELDERBERGS.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   SEVERE THUNDERSTORM WATCH.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

THERE IS A CHANCE OF THUNDERSTORMS WEDNESDAY AFTERNOON.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS REQUESTED AT THIS TIME.

CTZ001-013-NYZ032-033-038>040-047-063>066-082-051100-
NORTHERN LITCHFIELD-SOUTHERN LITCHFIELD-NORTHERN HERKIMER-HAMILTON-
SOUTHERN HERKIMER-SOUTHERN FULTON-MONTGOMERY-SCHOHARIE-
WESTERN ULSTER-EASTERN ULSTER-WESTERN DUTCHESS-EASTERN DUTCHESS-
NORTHERN FULTON-
1230 PM EDT TUE AUG 4 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWESTERN CONNECTICUT AND
EAST CENTRAL NEW YORK OF ULSTER AND DUTCHESS COUNTIES...SCHOHARIE
VALLEY...MOHAWK VALLEY AND PORTIONS OF THE ADIRONDACKS.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

SCATTERED THUNDERSTORMS ARE EXPECTED THIS AFTERNOON. SOME OF THE
THUNDERSTORMS MAY PRODUCE GUSTY WINDS AND OR SMALL HAIL.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

THERE IS A CHANCE OF THUNDERSTORMS WEDNESDAY AFTERNOON.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON INTO THIS EVENING.

In the hours before

Local storm report, Aug 4, 12:56 PM EDT, 1 hour 5 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ALBANY NY
1256 PM EDT TUE AUG 04 2015

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1240 PM     HAIL             VALATIE                 42.41N  73.68W
08/04/2015  M2.00 INCH       COLUMBIA           NY   TRAINED SPOTTER

&&

EVENT NUMBER ALY1500234

BEW
Special weather statement, Aug 4, 1:10 PM EDT, 51 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ALBANY NY
110 PM EDT TUE AUG 4 2015

MAZ001-NYZ053-054-VTZ013-041745-
NORTHERN BERKSHIRE-WESTERN RENSSELAER-EASTERN RENSSELAER-BENNINGTON-
110 PM EDT TUE AUG 4 2015

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN BERKSHIRE...CENTRAL
RENSSELAER AND SOUTHWESTERN BENNINGTON COUNTIES...

AT 109 PM EDT...A STRONG THUNDERSTORM WAS NEAR AVERILL PARK...OR NEAR
TROY...MOVING EAST AT 40 MPH.

WINDS IN EXCESS OF 40 MPH AND PEA SIZE HAIL ARE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
TROY...BENNINGTON...NORTH ADAMS...MONROE...WILLIAMSTOWN...POWNAL...
GREEN ISLAND...GRAFTON...BERLIN...STAMFORD...WYANTSKILL...CENTER
BRUNSWICK...WYNANTSKILL...AVERILL PARK...WEST SAND LAKE...NORTH
GREENBUSH...BRUNSWICK...SAND LAKE...HOOSICK AND POESTENKILL.

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY CAUSE
LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
LIGHTNING CAN STRIKE 15 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.

LAT...LON 4261 7366 4275 7369 4276 7368 4294 7309
      4274 7301 4274 7302 4270 7302 4270 7300
      4268 7299
TIME...MOT...LOC 1709Z 254DEG 34KT 4271 7354

LFM/SND
Local storm report, Aug 4, 1:25 PM EDT, 36 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ALBANY NY
125 PM EDT TUE AUG 04 2015

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0120 PM     HAIL             1 NNW LAKEWOOD          42.46N  73.23W
08/04/2015  E1.00 INCH       BERKSHIRE          MA   TRAINED SPOTTER

            HAIL AT INTERSECTION OF DALTON AVE AND WESTMINSTER AVE

&&

EVENT NUMBER ALY1500235

BEW
Local storm report, Aug 4, 1:32 PM EDT, 29 minutes before
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Local storm report, Aug 4, 1:40 PM EDT, 21 minutes before
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Local storm report, Aug 4, 1:43 PM EDT, 18 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 3, 8:14 PM EDTSpecial Weather StatementALYSchenectady46 min
Aug 3, 8:24 PM EDTSpecial Weather StatementALYSaratoga51 min
Aug 3, 9:57 PM EDTSpecial Weather StatementALYMontgomery, Schoharie33 min
Aug 3, 10:32 PM EDTSpecial Weather StatementALYSaratoga28 min
Aug 3, 10:51 PM EDTSpecial Weather StatementALYRensselaer39 min
Aug 3, 11:15 PM EDTSpecial Weather StatementALYRensselaer45 min
Aug 4, 11:58 AM EDTSpecial Weather StatementALYRensselaer32 min
Aug 4, 12:20 PM EDTSevere Thunderstorm WarningALYAlbany, Columbia, Greene, Rensselaer25 min
Aug 4, 12:44 PM EDTSevere Thunderstorm WarningALYColumbia, Rensselaer46 min
Aug 4, 12:48 PM EDTSpecial Weather StatementALYColumbia27 min
Aug 4, 1:10 PM EDTSpecial Weather StatementALYRensselaer35 min
Aug 4, 1:24 PM EDTSevere Thunderstorm WarningALYColumbia51 min
Aug 4, 5:49 PM EDTSpecial Weather StatementALYColumbia26 min
Aug 4, 6:03 PM EDTSpecial Weather StatementALYColumbia42 min
Aug 4, 6:08 PM EDTAreal Flood AdvisoryALYColumbia3 hr
Aug 3, 10:18 PM EDTSpecial Weather StatementALYWindham27 min
Aug 4, 3:59 AM EDTSpecial Weather StatementALYBerkshire31 min
Aug 4, 1:27 PM EDTSevere Thunderstorm WarningALYBerkshire19 min
Aug 4, 4:46 PM EDTSpecial Weather StatementALYBerkshire29 min
Aug 4, 5:04 PM EDTSpecial Weather StatementALYBerkshire26 min
Aug 4, 5:11 PM EDTSevere Thunderstorm WarningALYBerkshire49 min

Nearby

Severe Thunderstorm Warnings in New York, 2015Severe Thunderstorm Warnings in Vermont, 2015Severe Thunderstorm Warnings in Massachusetts, 2015Every severe thunderstorm warning in 2015

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.