Alert archive / New York / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 42, NWS Albany, NY

May 29, 2013Dutchess County, New York; Northwest Hills Planning Region, Connecticut

NWS Albany, NY issued this severe thunderstorm warning at May 29, 2013, 9:32 PM EDT for Dutchess County, New York; Northwest Hills Planning Region, Connecticut. It was in force for 58 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 29, 2013, 9:32 PM EDT (01:32 UTC)
Expired: May 29, 2013, 10:30 PM EDT
In force: 58 min
Issued by: NWS Albany, NY
Area: Storm-based polygon

Counties Northwest Hills Planning Region, CT, Dutchess County, NY

The radar

The Albany radar (KENX), 99 km from the middle of the area, began a volume at 01:34 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.

Issued	Product	Office	Lasted
May 29, 3:19 PM EDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Albany, NY (KALY), launched 00:00Z, 1.5 hours before the alert went out and 102 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: 15 J/kg
Mixed-layer CIN: -229 J/kg
Mixed-layer LCL: 729 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: -30 m²/s²
0-3 km storm-relative helicity: -25 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 May 29, 9:30 PM EDT, 2 minutes earlier.

Area forecast discussion, May 29, 9:30 PM EDT, 2 minutes before

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Hazardous weather outlook, May 29, 3:38 PM EDT, 5 hours 54 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ALBANY NY
338 PM EDT WED MAY 29 2013

CTZ001-013-MAZ001-025-NYZ032-033-038>043-047>054-058>061-063>066-
082>084-VTZ013>015-301100-
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-
338 PM EDT WED MAY 29 2013

...SEVERE THUNDERSTORM WATCH 241 IN EFFECT UNTIL 11 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...THURSDAY THROUGH TUESDAY.

THERE IS A CHANCE OF THUNDERSTORMS SATURDAY THROUGH MONDAY.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTER ACTIVATION FOR THE FOLLOWING COUNTIES UNTIL 11 PM...

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...WASHINGTON...

IN SOUTHERN VERMONT...BENNINGTON...WINDHAM...

FOR THE LATEST UPDATES...PLEASE VISIT OUR WEBPAGE AT
WWW.WEATHER.GOV/ALBANY

In the hours before

Local storm report, May 29, 9:00 PM EDT, 32 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ALBANY NY
900 PM EDT WED MAY 29 2013

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

0710 PM     TSTM WND DMG     COLONIE                 42.73N  73.85W
05/29/2013                   ALBANY             NY   TRAINED SPOTTER

            RT 9R BETWEEN CORA DRIVE AND ST. AGNES
            HIGHWAY...MULTIPLE LARGE TREES UPROOTED..ONE LAYING ON A
            HOME...SEVERAL LARGE BRANCHES DOWN

&&

EVENT NUMBER ALY1300140

BEW

Local storm report, May 29, 9:03 PM EDT, 29 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ALBANY NY
903 PM EDT WED MAY 29 2013

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

0901 PM     TSTM WND DMG     ROTTERDAM               42.78N  73.95W
05/29/2013                   SCHENECTADY        NY   PUBLIC

            MULTIPLE LARGE TREES AND LIMBS DOWN

&&

EVENT NUMBER ALY1300141

BEW

Local storm report, May 29, 9:10 PM EDT, 22 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ALBANY NY
910 PM EDT WED MAY 29 2013

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

0703 PM     TSTM WND DMG     ROTTERDAM               42.78N  73.95W
05/29/2013                   SCHENECTADY        NY   TRAINED SPOTTER

            TREE DOWN ON POWER LINES ON VANWORMER ROAD

&&

EVENT NUMBER ALY1300142

BEW

Local storm report, May 29, 9:22 PM EDT, 10 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ALBANY NY
922 PM EDT WED MAY 29 2013

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

0849 PM     TSTM WND DMG     NORTH CANAAN            42.03N  73.29W
05/29/2013                   LITCHFIELD         CT   TRAINED SPOTTER

            TWO TREES DOWN

&&

EVENT NUMBER ALY1300143

WASULA

Local storm report, May 29, 9:28 PM EDT, 4 minutes before

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Local storm report, May 29, 9:32 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
May 29, 8:10 PM EDT	Areal Flood Advisory	ALY	Rensselaer	3 hr
May 29, 8:20 PM EDT	Severe Thunderstorm Warning	ALY	Columbia, Dutchess, Greene, Ulster	55 min
May 29, 8:28 PM EDT	Severe Thunderstorm Warning	ALY	Ulster	47 min
May 29, 8:50 PM EDT	Severe Thunderstorm Warning	ALY	Dutchess, Ulster	55 min
May 29, 9:25 PM EDT	Flash Flood Warning	ALY	Dutchess	3 hr
May 29, 9:44 PM EDT	Special Weather Statement	ALY	Columbia	31 min
May 29, 9:57 PM EDT	Areal Flood Advisory	ALY	Rensselaer	3 hr
May 29, 11:39 PM EDT	Special Weather Statement	ALY	Columbia	51 min
May 29, 8:22 PM EDT	Flash Flood Warning	ALY	Bennington, Windham	3 hr
May 29, 10:36 PM EDT	Special Weather Statement	ALY		24 min

Nearby

Severe Thunderstorm Warnings in New York, 2013 Severe Thunderstorm Warnings in Connecticut, 2013 Every 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.