Alert archive / Vermont / Flash Flood Watches in 2018

Flash Flood Watch 1, NWS Albany, NY

July 17, 2018Bennington County, Windham County, Vermont; Northwest Hills Planning Region, Connecticut

NWS Albany, NY issued this flash flood watch at Jul 17, 2018, 3:38 AM EDT for Bennington County, Windham County, Vermont; Northwest Hills Planning Region, Connecticut. It took effect at Jul 17, 2018, 12:00 PM EDT. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued: Jul 17, 2018, 3:38 AM EDT (07:38 UTC)
In effect from: Jul 17, 2018, 12:00 PM EDT
Expired: Jul 17, 2018, 5:01 PM EDT
In force: 5 hr
Issued by: NWS Albany, NY
Flood severity: None

Counties Northwest Hills Planning Region, CT, Bennington County, VT, Windham County, VT

The radar

The Albany radar (KENX), 86 km from the middle of the area, began a volume at 07:39 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 00:00Z, 7.6 hours before the alert went out and 68 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: 962 J/kg
Mixed-layer CIN: -59 J/kg
Mixed-layer LCL: 1483 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 78 m²/s²
0-3 km storm-relative helicity: 106 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.6

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood watch 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 flash flood watch went out at Jul 17, 1:20 AM EDT, 2 hours 18 minutes earlier.

Area forecast discussion, Jul 17, 1:20 AM EDT, 2 hours 18 minutes before

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Hazardous weather outlook, Jul 16, 10:56 PM EDT, 4 hours 42 minutes before

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In the hours before

Special weather statement, Jul 16, 9:40 PM EDT, 5 hours 58 minutes before

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Special weather statement, Jul 16, 10:04 PM EDT, 5 hours 34 minutes before

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Special weather statement, Jul 16, 10:40 PM EDT, 4 hours 58 minutes before

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Special weather statement, Jul 16, 11:16 PM EDT, 4 hours 22 minutes before

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Special weather statement, Jul 16, 11:59 PM EDT, 3 hours 39 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
Jul 16, 8:30 PM EDT	Special Weather Statement	ALY	Rensselaer	45 min
Jul 16, 8:45 PM EDT	Special Weather Statement	ALY	Herkimer	45 min
Jul 16, 10:04 PM EDT	Special Weather Statement	ALY	Hamilton	41 min
Jul 16, 10:40 PM EDT	Special Weather Statement	ALY	Saratoga	35 min
Jul 16, 11:16 PM EDT	Special Weather Statement	ALY	Oneida	29 min
Jul 16, 11:59 PM EDT	Special Weather Statement	ALY	Hamilton	31 min
Jul 17, 3:50 AM EDT	Special Weather Statement	ALY	Fulton	25 min
Jul 17, 4:24 AM EDT	Special Weather Statement	ALY	Saratoga	36 min
Jul 17, 5:51 AM EDT	Areal Flood Advisory	ALY	Albany, Fulton, Hamilton, Herkimer, Montgomery, Rensselaer and 5 more	87 min
Jul 17, 6:24 AM EDT	Severe Thunderstorm Warning	ALY	Fulton, Herkimer, Montgomery	66 min
Jul 17, 8:07 AM EDT	Special Weather Statement	ALY	Saratoga	23 min
Jul 17, 8:18 AM EDT	Areal Flood Advisory	ALY	Rensselaer, Saratoga, Washington	69 min
Jul 17, 8:38 AM EDT	Areal Flood Advisory	ALY	Albany, Rensselaer, Washington	50 min
Jul 17, 10:51 AM EDT	Areal Flood Advisory	ALY	Columbia, Greene, Rensselaer	3 hr
Jul 17, 1:07 PM EDT	Special Weather Statement	ALY	Dutchess	23 min
Jul 17, 1:15 PM EDT	Areal Flood Advisory	ALY	Columbia, Dutchess, Ulster	2 hr
Jul 17, 1:25 PM EDT	Severe Thunderstorm Warning	ALY	Columbia, Dutchess, Ulster	65 min
Jul 17, 1:49 PM EDT	Areal Flood Advisory	ALY	Columbia, Dutchess	116 min
Jul 17, 5:21 PM EDT	Special Weather Statement	ALY	Washington	24 min
Jul 17, 5:46 PM EDT	Special Weather Statement	ALY	Washington	59 min
Jul 17, 6:04 PM EDT	Areal Flood Advisory	ALY	Washington	82 min
Jul 16, 9:40 PM EDT	Special Weather Statement	ALY	Windham	35 min
Jul 17, 6:02 AM EDT	Special Weather Statement	ALY	Bennington	28 min
Jul 17, 6:18 AM EDT	Special Weather Statement	ALY	Bennington, Windham	27 min
Jul 17, 6:34 AM EDT	Areal Flood Advisory	ALY	Bennington, Windham	4 hr
Jul 17, 6:46 AM EDT	Severe Thunderstorm Warning	ALY	Windham	44 min
Jul 17, 11:12 AM EDT	Flash Flood Warning	ALY	Windham	2 hr
Jul 17, 2:03 PM EDT	Special Weather Statement	ALY		57 min
Jul 17, 2:59 PM EDT	Special Weather Statement	ALY		31 min

Nearby

Flash Flood Watches in Vermont, 2018 Flash Flood Watches in Connecticut, 2018 Every flash flood watch in 2018

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.