Alert archive / New York / Flash Flood Watches in 2018

Flash Flood Watch 4, NWS Albany, NY

August 8, 201811 counties in New York

NWS Albany, NY issued this flash flood watch at Aug 8, 2018, 12:10 PM EDT for 11 counties in New York. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued: Aug 8, 2018, 12:10 PM EDT (16:10 UTC)
Expired: Aug 8, 2018, 9:49 PM EDT
In force: 10 hr
Issued by: NWS Albany, NY
Flood severity: None

Counties Albany County, NY, Columbia County, NY, Fulton County, NY, Greene County, NY, Herkimer County, NY, Montgomery County, NY, Rensselaer County, NY, Saratoga County, NY, Schenectady County, NY, Schoharie County, NY, Washington County, NY

The radar

The Albany radar (KENX), 27 km from the middle of the area, began a volume at 16:09 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, 4.2 hours before the alert went out and 25 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: 100 J/kg
Mixed-layer CIN: -24 J/kg
Mixed-layer LCL: 623 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 15 m²/s²
0-3 km storm-relative helicity: 77 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 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 Aug 8, 10:44 AM EDT, 1 hour 26 minutes earlier.

Area forecast discussion, Aug 8, 10:44 AM EDT, 1 hour 26 minutes before

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Hazardous weather outlook, Aug 8, 3:59 AM EDT, 8 hours 11 minutes before

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        The site you requested is temporarily down for maintenance or an unexpected outage.
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        Please try again in a few minutes.
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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 8, 3:52 AM EDT	Heat Advisory	ALY	Dutchess, Ulster	14 hr
Aug 8, 2:03 PM EDT	Areal Flood Advisory	ALY	Albany, Schoharie	113 min
Aug 8, 2:33 PM EDT	Special Weather Statement	ALY	Albany	27 min
Aug 8, 2:44 PM EDT	Areal Flood Advisory	ALY	Columbia, Greene, Ulster	3 hr
Aug 8, 2:48 PM EDT	Areal Flood Advisory	ALY	Albany, Saratoga, Schenectady	71 min
Aug 8, 3:18 PM EDT	Special Weather Statement	ALY	Saratoga	57 min
Aug 8, 3:36 PM EDT	Special Weather Statement	ALY	Saratoga	24 min
Aug 8, 3:43 PM EDT	Flash Flood Warning	ALY	Columbia, Greene, Ulster	2 hr
Aug 8, 4:04 PM EDT	Special Weather Statement	ALY	Columbia	56 min
Aug 8, 5:33 PM EDT	Special Weather Statement	ALY	Fulton	42 min
Aug 8, 6:39 PM EDT	Special Weather Statement	ALY	Ulster	66 min
Aug 8, 7:51 PM EDT	Special Weather Statement	ALY	Ulster	54 min
Aug 8, 3:15 PM EDT	Areal Flood Advisory	ALY	Windham	3 hr
Aug 8, 4:01 PM EDT	Special Weather Statement	ALY	Bennington	29 min
Aug 8, 4:07 PM EDT	Areal Flood Advisory	ALY	Windham	53 min

Nearby

Flash Flood Watches in New York, 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.