Alert archive / New York / Flash Flood Watches in 2020
Flash Flood Watch 2, NWS Albany, NY
NWS Albany, NY issued this flash flood watch at Aug 3, 2020, 3:26 AM EDT for 15 counties in New York; Bennington County, Windham County, Vermont; Northwest Hills Planning Region, Connecticut. It took effect at Aug 4, 2020, 8:00 AM EDT. It was in force for 13 hr.
The area
The counties it named.
The facts
- Issued
- Aug 3, 2020, 3:26 AM EDT (07:26 UTC)
- In effect from
- Aug 4, 2020, 8:00 AM EDT
- Expired
- Aug 4, 2020, 9:19 PM EDT
- In force
- 13 hr
- Issued by
- NWS Albany, NY
- Flood severity
- None
Counties Northwest Hills Planning Region, CT, Albany County, NY, Columbia County, NY, Dutchess County, NY, Fulton County, NY, Greene County, NY, Hamilton County, NY, Herkimer County, NY, Montgomery County, NY, Rensselaer County, NY, Saratoga County, NY, Schenectady County, NY, Schoharie County, NY, Ulster County, NY, Warren County, NY, Washington County, NY, Bennington County, VT, Windham County, VT
The radar
The Albany radar (KENX), 24 km from the middle of the area, began a volume at 07:30 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, 7.4 hours before the alert went out and 11 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.
- Mixed-layer CAPE
- 1081 J/kg
- Mixed-layer CIN
- -39 J/kg
- Mixed-layer LCL
- 1190 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 256 m²/s²
- 0-3 km storm-relative helicity
- 337 m²/s²
- Significant tornado parameter
- 1.3
- Supercell composite
- 13.2
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 3, 1:56 AM EDT, 1 hour 30 minutes earlier.
Area forecast discussion, Aug 3, 1:56 AM EDT, 1 hour 30 minutes before
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</html>Hazardous weather outlook, Aug 2, 10:06 PM EDT, 5 hours 20 minutes before
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Local storm report, Aug 3, 12:16 AM EDT, 3 hours 10 minutes before
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</html>The office that day
Everything else NWS Albany, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 8:02 PM EDT | Special Weather Statement | ALY | Hamilton | 28 min |
| Aug 2, 8:33 PM EDT | Severe Thunderstorm Warning | ALY | Hamilton | 57 min |
| Aug 3, 3:15 PM EDT | Wind Advisory | ALY | Albany, Columbia, Dutchess, Fulton, Greene, Hamilton and 8 more | 30 hr |
| Aug 3, 5:36 AM EDT | Tropical Storm Watch | ALY | Northwest Hills Planning Region | 6 hr |
| Aug 3, 11:30 AM EDT | Tropical Storm Warning | ALY | Northwest Hills Planning Region | 36 hr |
Nearby
Flash Flood Watches in New York, 2020Flash Flood Watches in Vermont, 2020Flash Flood Watches in Connecticut, 2020Every flash flood watch 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.