Alert archive / New York / Dense Fog Advisories in 2021
Dense Fog Advisory 3, NWS Albany, NY
NWS Albany, NY issued this dense fog advisory at Sep 6, 2021, 7:15 AM EDT for 8 counties in New York. It was in force for 105 min.
The area
The counties it named.
The facts
- Issued
- Sep 6, 2021, 7:15 AM EDT (11:15 UTC)
- Expired
- Sep 6, 2021, 9:00 AM EDT
- In force
- 105 min
- Issued by
- NWS Albany, NY
Counties Albany County, NY, Columbia County, NY, Dutchess County, NY, Greene County, NY, Rensselaer County, NY, Saratoga County, NY, Schenectady County, NY, Ulster County, NY
The radar
The Albany radar (KENX), 22 km from the middle of the area, began a volume at 11:18 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, 11.3 hours before the alert went out and 30 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
- 33 J/kg
- Mixed-layer CIN
- -74 J/kg
- Mixed-layer LCL
- 723 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 117 m²/s²
- 0-3 km storm-relative helicity
- 132 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
What forecasters said that day
The local office's own words before this dense fog advisory 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 dense fog advisory went out at Sep 6, 6:32 AM EDT, 43 minutes earlier.
Area forecast discussion, Sep 6, 6:32 AM EDT, 43 minutes before
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</html>Hazardous weather outlook, Sep 6, 4:47 AM EDT, 2 hours 28 minutes before
Hazardous Weather Outlook National Weather Service Albany NY 447 AM EDT Mon Sep 6 2021 CTZ001-013-MAZ001-025-NYZ038>041-047>054-058>061-063>066-082-084- VTZ013>015-071100- Northern Litchfield-Southern Litchfield-Northern Berkshire- Southern Berkshire-Southern Herkimer-Southern Fulton-Montgomery- Northern Saratoga-Schoharie-Western Schenectady-Eastern Schenectady- Southern Saratoga-Western Albany-Eastern Albany-Western Rensselaer- Eastern Rensselaer-Western Greene-Eastern Greene-Western Columbia- Eastern Columbia-Western Ulster-Eastern Ulster-Western Dutchess- Eastern Dutchess-Northern Fulton-Southern Washington-Bennington- Western Windham-Eastern Windham- 447 AM EDT Mon Sep 6 2021 This Hazardous Weather Outlook is for northwestern Connecticut, western Massachusetts, the Mohawk Valley, Schoharie valley, eastern Catskills, mid Hudson Valley, Taconics, Capital Region, Saratoga Region and southern Vermont. .DAY ONE...Today and tonight. Isolated non severe thunderstorms are possible this afternoon. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. There is a chance for thunderstorms Wednesday afternoon and night. Some thunderstorms could be strong with locally heavy rain, small hail and gusty winds. Ponding of water on roadways is also possible. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. NYZ032-033-042-043-083-071100- Northern Herkimer-Hamilton-Northern Warren-Northern Washington- Southeast Warren- 447 AM EDT Mon Sep 6 2021 This Hazardous Weather Outlook is for the southern Adirondacks and Lake George Region. .DAY ONE...Today and tonight. Isolated to scattered thunderstorms are expected today. There is a marginal risk for severe thunderstorms with damaging winds. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. There is a chance for thunderstorms Wednesday afternoon and night. Some thunderstorms could be strong with locally heavy rain, small hail and gusty winds. Ponding of water on roadways is also possible. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time.
In the hours before
Special weather statement, Sep 6, 5:39 AM EDT, 1 hour 36 minutes before
Special Weather Statement National Weather Service Albany NY 539 AM EDT Mon Sep 6 2021 CTZ001-013-MAZ001-025-NYZ032-033-038>043-047>054-058>061-063>066- 082>084-VTZ013>015-061300- Northern Litchfield-Southern Litchfield-Northern Berkshire- Southern Berkshire-Northern Herkimer-Hamilton-Southern Herkimer- Southern Fulton-Montgomery-Northern Saratoga-Northern Warren- Northern Washington-Schoharie-Western Schenectady- Eastern Schenectady-Southern Saratoga-Western Albany- Eastern Albany-Western Rensselaer-Eastern Rensselaer- Western Greene-Eastern Greene-Western Columbia-Eastern Columbia- Western Ulster-Eastern Ulster-Western Dutchess-Eastern Dutchess- Northern Fulton-Southeast Warren-Southern Washington-Bennington- Western Windham-Eastern Windham- 539 AM EDT Mon Sep 6 2021 ...Areas of dense fog in eastern New York and western New England early this morning... Areas of dense fog have formed over parts of eastern New York and western New England this morning. Most of the dense fog is spread around river valleys, swamps and wet lands with better visibilities in higher terrain. Visibilities have been reduced to below one mile and locally one quarter mile or less. The fog is expected to burn off by 9 AM. Motorists are advised to reduce speeds, allow for extra distance between yourself and other motorists and use low beam headlights.
The office that day
Everything else NWS Albany, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 6, 10:57 AM EDT | Special Weather Statement | ALY | Hamilton | 63 min |
| Sep 6, 11:09 AM EDT | Special Weather Statement | ALY | Fulton | 51 min |
| Sep 6, 11:15 AM EDT | Severe Thunderstorm Warning | ALY | Fulton, Herkimer, Montgomery | 45 min |
| Sep 6, 11:43 AM EDT | Special Weather Statement | ALY | Rensselaer | 32 min |
| Sep 6, 12:02 PM EDT | Special Weather Statement | ALY | Fulton | 43 min |
| Sep 6, 12:15 PM EDT | Special Weather Statement | ALY | Rensselaer | 30 min |
| Sep 6, 12:23 PM EDT | Special Weather Statement | ALY | Washington | 22 min |
| Sep 6, 12:39 PM EDT | Special Weather Statement | ALY | Saratoga | 36 min |
| Sep 6, 1:29 PM EDT | Special Weather Statement | ALY | Bennington | 16 min |
Nearby
Dense Fog Advisories in New York, 2021Every dense fog advisory in 2021
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.