Alert archive / New York / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 109, NWS Albany, NY

August 27, 2020Dutchess County, New York

NWS Albany, NY issued this severe thunderstorm warning at Aug 27, 2020, 6:29 PM EDT for Dutchess County, New York. It was in force for 31 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 27, 2020, 6:29 PM EDT (22:29 UTC)
Expired: Aug 27, 2020, 7:00 PM EDT
In force: 31 min
Issued by: NWS Albany, NY
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Dutchess County, NY

The radar

The Albany radar (KENX), 95 km from the middle of the area, began a volume at 22:31 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
Aug 27, 1:22 PM EDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 10.5 hours before the alert went out and 103 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 756 m above ground
0-6 km bulk shear: 56 kt
0-1 km storm-relative helicity: 223 m²/s²
0-3 km storm-relative helicity: 214 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 27, 6:26 PM EDT, 3 minutes earlier.

Area forecast discussion, Aug 27, 6:26 PM EDT, 3 minutes before

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Hazardous weather outlook, Aug 27, 5:46 PM EDT, 43 minutes before

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In the hours before

Local storm report, Aug 27, 5:01 PM EDT, 1 hour 28 minutes before

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Special weather statement, Aug 27, 5:03 PM EDT, 1 hour 26 minutes before

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Special weather statement, Aug 27, 5:06 PM EDT, 1 hour 23 minutes before

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Local storm report, Aug 27, 5:09 PM EDT, 1 hour 20 minutes before

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Local storm report, Aug 27, 6:04 PM EDT, 25 minutes before

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Local storm report, Aug 27, 6:16 PM EDT, 13 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
Aug 27, 11:41 AM EDT	Special Weather Statement	ALY	Montgomery	34 min
Aug 27, 12:09 PM EDT	Special Weather Statement	ALY	Albany, Schoharie	51 min
Aug 27, 1:17 PM EDT	Special Weather Statement	ALY	Albany, Columbia	43 min
Aug 27, 1:22 PM EDT	Special Weather Statement	ALY	Schoharie	38 min
Aug 27, 1:39 PM EDT	Special Weather Statement	ALY	Greene	51 min
Aug 27, 1:45 PM EDT	Areal Flood Advisory	ALY	Schoharie	77 min
Aug 27, 1:50 PM EDT	Severe Thunderstorm Warning	ALY	Columbia, Greene, Schoharie, Ulster	40 min
Aug 27, 2:05 PM EDT	Tornado Warning	ALY	Greene, Ulster	40 min
Aug 27, 2:22 PM EDT	Areal Flood Advisory	ALY	Greene	84 min
Aug 27, 2:31 PM EDT	Severe Thunderstorm Warning	ALY	Columbia, Dutchess, Greene, Ulster	44 min
Aug 27, 2:48 PM EDT	Tornado Warning	ALY	Dutchess	27 min
Aug 27, 2:56 PM EDT	Tornado Warning	ALY	Dutchess, Ulster	21 min
Aug 27, 3:01 PM EDT	Areal Flood Advisory	ALY	Columbia, Dutchess, Ulster	113 min
Aug 27, 3:14 PM EDT	Tornado Warning	ALY	Dutchess	31 min
Aug 27, 3:40 PM EDT	Severe Thunderstorm Warning	ALY	Dutchess, Ulster	32 min
Aug 27, 4:17 PM EDT	Special Weather Statement	ALY	Putnam	43 min
Aug 27, 4:19 PM EDT	Areal Flood Advisory	ALY	Dutchess, Ulster	116 min
Aug 27, 5:03 PM EDT	Special Weather Statement	ALY	Ulster	57 min
Aug 27, 3:09 PM EDT	Tornado Warning	ALY	Northwest Hills Planning Region	51 min
Aug 27, 3:33 PM EDT	Areal Flood Advisory	ALY	Northwest Hills Planning Region	117 min
Aug 27, 5:06 PM EDT	Special Weather Statement	ALY		24 min

Nearby

Severe Thunderstorm Warnings in New York, 2020 Every severe thunderstorm warning in 2020

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.