Alert archive / Vermont / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 12, NWS Albany, NY

May 21, 2013Bennington County, Windham County, Vermont

NWS Albany, NY issued this severe thunderstorm warning at May 21, 2013, 4:26 PM EDT for Bennington County, Windham County, Vermont. It was in force for 64 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
May 21, 2013, 4:26 PM EDT (20:26 UTC)
Expired
May 21, 2013, 5:30 PM EDT
In force
64 min
Issued by
NWS Albany, NY
Area
Storm-based polygon

Counties Bennington County, VT, Windham County, VT

The radar

The Albany radar (KENX), 106 km from the middle of the area, began a volume at 20:28 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
May 21, 1:40 PM EDTSevere Thunderstorm WatchSPC10 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 8.4 hours before the alert went out and 84 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 2013-05-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 98 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 2013-05-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 119 square meters per square second.193958Sfc1 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
98 J/kg
Mixed-layer CIN
-172 J/kg
Mixed-layer LCL
819 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
119 m²/s²
0-3 km storm-relative helicity
149 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.3

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 May 21, 4:21 PM EDT, 5 minutes earlier.

Area forecast discussion, May 21, 4:21 PM EDT, 5 minutes before
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Hazardous weather outlook, May 21, 1:45 PM EDT, 2 hours 41 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ALBANY NY
145 PM EDT TUE MAY 21 2013

CTZ001-013-MAZ001-025-NYZ032-033-038>043-047>054-058>061-063>066-
082>084-VTZ013>015-221100-
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-
145 PM EDT TUE MAY 21 2013

...SEVERE THUNDERSTORM WATCH 203 IN EFFECT UNTIL 9 PM EDT THIS
EVENING...

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

.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.

AN ADDITIONAL ROUND OF THUNDERSTORMS IS POSSIBLE AGAIN ON
WEDNESDAY INTO WEDNESDAY NIGHT. THE STORM PREDICTION CENTER HAS
PLACED MUCH OF THE REGION IN A SLIGHT RISK FOR SEVERE
THUNDERSTORMS...WITH DAMAGING WINDS BEING THE PRIMARY THREAT.

THERE IS ALSO A CHANCE OF THUNDERSTORMS AGAIN ON THURSDAY INTO
THURSDAY NIGHT.

.SPOTTER INFORMATION STATEMENT...

SKYWARN ACTIVATION IS REQUESTED AT THIS TIME FOR THE FOLLOWING
COUNTIES...

IN NORTHWESTERN CONNECTICUT...LITCHFIELD.

IN WESTERN MASSACHUSETTS...BERKSHIRE.

IN EAST CENTRAL NEW YORK...ALBANY...COLUMBIA...DUTCHESS...FULTON
...GREENE...HAMILTON...HERKIMER...MONTGOMERY...RENSSELAER...SARATOGA
...SCHENECTADY...SCHOHARIE...ULSTER...WARREN AND WASHINGTON.

IN SOUTHERN VERMONT...BENNINGTON AND WINDHAM.

In the hours before

Local storm report, May 21, 3:41 PM EDT, 45 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ALBANY NY
341 PM EDT TUE MAY 21 2013

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

0340 PM     HAIL             GHENT                   42.33N  73.62W
05/21/2013  M1.25 INCH       COLUMBIA           NY   TRAINED SPOTTER

            TRAINED SPOTTER

&&

EVENT NUMBER ALY1300045

BGM
Local storm report, May 21, 3:42 PM EDT, 44 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ALBANY NY
342 PM EDT TUE MAY 21 2013

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

0342 PM     HAIL             GHENT                   42.33N  73.62W
05/21/2013  M1.00 INCH       COLUMBIA           NY   AMATEUR RADIO

            AMATEUR RADIO

&&

EVENT NUMBER ALY1300046

BGM
Local storm report, May 21, 3:44 PM EDT, 42 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ALBANY NY
344 PM EDT TUE MAY 21 2013

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

0343 PM     HAIL             GHENT                   42.33N  73.62W
05/21/2013  M1.25 INCH       COLUMBIA           NY   TRAINED SPOTTER

            SKYWARN SPOTTER

&&

EVENT NUMBER ALY1300047

BGM
Local storm report, May 21, 3:46 PM EDT, 40 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ALBANY NY
346 PM EDT TUE MAY 21 2013

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

0339 PM     HAIL             CHATHAM                 42.36N  73.60W
05/21/2013  M1.25 INCH       COLUMBIA           NY   WEATHERNET6

            WEATHERNET6...WIRES DOWN

&&

EVENT NUMBER ALY1300048

BGM
Local storm report, May 21, 3:51 PM EDT, 35 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ALBANY NY
351 PM EDT TUE MAY 21 2013

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

0324 PM     HAIL             COHOES                  42.77N  73.71W
05/21/2013  E1.00 INCH       ALBANY             NY   FACEBOOK

            FACEBOOK

&&

EVENT NUMBER ALY1300049

BGM
Local storm report, May 21, 3:58 PM EDT, 28 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ALBANY NY
358 PM EDT TUE MAY 21 2013

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

0330 PM     HAIL             1 E NORTH GREENBUSH     42.67N  73.64W
05/21/2013  M1.00 INCH       RENSSELAER         NY   TRAINED SPOTTER

            TRAINED SPOTTER

&&

EVENT NUMBER ALY1300050

BGM

The office that day

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

IssuedProductOfficeCountiesLasted
May 21, 2:26 AM EDTSpecial Weather StatementALYHamilton, Herkimer64 min
May 21, 3:34 AM EDTSpecial Weather StatementALYFulton, Hamilton, Montgomery, Saratoga, Schenectady, Warren56 min
May 21, 2:29 PM EDTSpecial Weather StatementALYColumbia31 min
May 21, 2:34 PM EDTSevere Thunderstorm WarningALYAlbany, Columbia, Greene, Rensselaer41 min
May 21, 2:56 PM EDTSpecial Weather StatementALYRensselaer34 min
May 21, 2:58 PM EDTSpecial Weather StatementALYSchoharie32 min
May 21, 3:11 PM EDTSevere Thunderstorm WarningALYAlbany, Columbia, Rensselaer64 min
May 21, 3:15 PM EDTSevere Thunderstorm WarningALYColumbia, Rensselaer60 min
May 21, 3:35 PM EDTSpecial Weather StatementALYAlbany25 min
May 21, 3:38 PM EDTSpecial Weather StatementALYColumbia37 min
May 21, 3:50 PM EDTSevere Thunderstorm WarningALYAlbany, Columbia, Greene, Rensselaer40 min
May 21, 3:53 PM EDTSevere Thunderstorm WarningALYRensselaer67 min
May 21, 3:55 PM EDTSevere Thunderstorm WarningALYColumbia65 min
May 21, 4:00 PM EDTSevere Thunderstorm WarningALYFulton, Herkimer, Montgomery60 min
May 21, 4:14 PM EDTAreal Flood AdvisoryALYAlbany, Columbia, Greene, Rensselaer6 hr
May 21, 4:41 PM EDTSevere Thunderstorm WarningALYColumbia49 min
May 21, 4:57 PM EDTTornado WarningALYColumbia, Dutchess33 min
May 21, 5:06 PM EDTSevere Thunderstorm WarningALYFulton, Hamilton, Herkimer, Montgomery, Saratoga, Warren54 min
May 21, 5:18 PM EDTSevere Thunderstorm WarningALYColumbia, Dutchess42 min
May 21, 5:31 PM EDTTornado WarningALYColumbia, Dutchess29 min
May 21, 5:49 PM EDTSpecial Weather StatementALYOtsego26 min
May 21, 6:01 PM EDTSpecial Weather StatementALYSaratoga29 min
May 21, 6:09 PM EDTSpecial Weather StatementALYColumbia36 min
May 21, 6:24 PM EDTSevere Thunderstorm WarningALYColumbia, Dutchess66 min
May 21, 6:32 PM EDTSpecial Weather StatementALYWarren28 min
May 21, 6:40 PM EDTSpecial Weather StatementALYHamilton65 min
May 21, 6:58 PM EDTSevere Thunderstorm WarningALYDutchess62 min
May 21, 7:08 PM EDTSevere Thunderstorm WarningALYHamilton, Herkimer67 min
May 21, 7:24 PM EDTSpecial Weather StatementALYHerkimer36 min
May 21, 7:28 PM EDTSevere Thunderstorm WarningALYHamilton, Herkimer62 min
May 21, 7:51 PM EDTSevere Thunderstorm WarningALYFulton, Herkimer, Montgomery54 min
May 21, 7:57 PM EDTSpecial Weather StatementALYWashington33 min
May 21, 6:48 PM EDTSpecial Weather StatementALYWindham27 min
May 21, 5:56 PM EDTSevere Thunderstorm WarningALYNorthwest Hills Planning Region64 min
May 21, 7:56 PM EDTSevere Thunderstorm WarningALYNorthwest Hills Planning Region34 min

Nearby

Severe Thunderstorm Warnings in Vermont, 2013Every severe thunderstorm warning in 2013

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.