Alert archive / New York / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 129, NWS Albany, NY

October 7, 2020Dutchess County, Ulster County, New York

NWS Albany, NY issued this severe thunderstorm warning at Oct 7, 2020, 4:47 PM EDT for Dutchess County, Ulster County, New York. It was in force for 43 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: Oct 7, 2020, 4:47 PM EDT (20:47 UTC)
Expired: Oct 7, 2020, 5:30 PM EDT
In force: 43 min
Issued by: NWS Albany, NY
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Dutchess County, NY, Ulster County, NY

The radar

The Albany radar (KENX), 85 km from the middle of the area, began a volume at 20:48 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 12:00Z, 8.8 hours before the alert went out and 97 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: 1 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1371 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 137 m²/s²
0-3 km storm-relative helicity: 208 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 Oct 7, 4:04 PM EDT, 43 minutes earlier.

Area forecast discussion, Oct 7, 4:04 PM EDT, 43 minutes before

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Hazardous weather outlook, Oct 7, 4:19 PM EDT, 28 minutes before

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In the hours before

Local storm report, Oct 7, 4:35 PM EDT, 12 minutes before

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Special weather statement, Oct 7, 4:36 PM EDT, 11 minutes before

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Local storm report, Oct 7, 4:37 PM EDT, 10 minutes before

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Local storm report, Oct 7, 4:39 PM EDT, 8 minutes before

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Local storm report, Oct 7, 4:42 PM EDT, 5 minutes before

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Local storm report, Oct 7, 4:47 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
Oct 7, 1:36 PM EDT	Special Weather Statement	ALY	Hamilton	39 min
Oct 7, 1:55 PM EDT	Special Weather Statement	ALY	Hamilton, Herkimer	50 min
Oct 7, 2:17 PM EDT	Special Weather Statement	ALY	Fulton	43 min
Oct 7, 2:46 PM EDT	Severe Thunderstorm Warning	ALY	Fulton, Hamilton, Herkimer, Montgomery, Saratoga, Schenectady and 2 more	44 min
Oct 7, 3:08 PM EDT	Special Weather Statement	ALY	Warren, Washington	37 min
Oct 7, 3:21 PM EDT	Severe Thunderstorm Warning	ALY	Albany, Columbia, Fulton, Greene, Montgomery, Rensselaer and 5 more	39 min
Oct 7, 3:40 PM EDT	Severe Thunderstorm Warning	ALY	Albany, Greene, Schoharie	35 min
Oct 7, 3:56 PM EDT	Severe Thunderstorm Warning	ALY	Albany, Columbia, Dutchess, Greene, Rensselaer, Schoharie and 2 more	34 min
Oct 7, 4:27 PM EDT	Severe Thunderstorm Warning	ALY	Columbia, Dutchess, Greene, Rensselaer, Ulster	33 min
Oct 7, 4:36 PM EDT	Special Weather Statement	ALY	Dutchess	39 min
Oct 7, 4:57 PM EDT	Severe Thunderstorm Warning	ALY	Columbia, Dutchess	33 min
Oct 7, 6:27 PM EDT	Special Weather Statement	ALY	Fulton, Montgomery	33 min
Oct 7, 5:12 PM EDT	Special Weather Statement	ALY		33 min
Oct 7, 5:25 PM EDT	Severe Thunderstorm Warning	ALY	Northwest Hills Planning Region	20 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.