Alert archive / New York / Flash Flood Watches in 2018
Flash Flood Watch 7, NWS Albany, NY
NWS Albany, NY issued this flash flood watch at Sep 12, 2018, 12:48 PM EDT for Dutchess County, Ulster County, New York; Northwest Hills Planning Region, Connecticut. It took effect at Sep 12, 2018, 6:00 PM EDT. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Sep 12, 2018, 12:48 PM EDT (16:48 UTC)
- In effect from
- Sep 12, 2018, 6:00 PM EDT
- Expired
- Sep 13, 2018, 3:15 AM EDT
- In force
- 9 hr
- Issued by
- NWS Albany, NY
- Flood severity
- None
Counties Northwest Hills Planning Region, CT, Dutchess County, NY, Ulster County, NY
The radar
The Albany radar (KENX), 88 km from the middle of the area, began a volume at 16:51 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
Brookhaven, NY (KOKX), launched 12:00Z, 4.8 hours before the alert went out and 130 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
- 1040 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 495 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 27 m²/s²
- 0-3 km storm-relative helicity
- 54 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
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 Sep 12, 10:09 AM EDT, 2 hours 39 minutes earlier.
Area forecast discussion, Sep 12, 10:09 AM EDT, 2 hours 39 minutes before
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</html>Hazardous weather outlook, Sep 12, 4:01 AM EDT, 8 hours 47 minutes before
Hazardous Weather Outlook National Weather Service Albany NY 401 AM EDT Wed Sep 12 2018 CTZ001-013-MAZ001-025-NYZ032-033-038>043-047>054-058>061-063>066- 082>084-VTZ013>015-131100- 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- 401 AM EDT Wed Sep 12 2018 This Hazardous Weather Outlook is for northwestern Connecticut, western Massachusetts, east central New York, eastern New York and southern Vermont. .DAY ONE...Today and tonight. No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time.
In the hours before
Special weather statement, Sep 12, 6:52 AM EDT, 5 hours 56 minutes before
Special Weather Statement
National Weather Service Albany NY
652 AM EDT WED SEP 12 2018
NYZ065-066-121145-
Eastern Dutchess-Western Dutchess-
652 AM EDT WED SEP 12 2018
...A THUNDERSTORM WILL AFFECT NORTHWESTERN DUTCHESS COUNTY...
At 651 AM EDT, a strong thunderstorm was located near Stanfordville,
or near Rhinebeck. The storm is nearly stationary.
This storm will be near...
Stanfordville around 740 AM EDT.
Other locations impacted by this storm include Lafayetteville,
McIntyre, Wurtemburg, Market, Attlebury, Stissing, Mount Ross, Milan,
Willow Brook and Bangall.
Torrential rainfall is occurring with this storm, and may cause
localized flooding. Do not drive your vehicle through flooded
roadways.
LAT...LON 4197 7391 4201 7372 4200 7370 4197 7368
4188 7365 4183 7385
TIME...MOT...LOC 1051Z 255DEG 3KT 4191 7379
JSQLocal storm report, Sep 12, 10:09 AM EDT, 2 hours 39 minutes before
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</html>Local storm report, Sep 12, 12:47 PM EDT, 1 minute 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 |
|---|---|---|---|---|
| Sep 12, 6:52 AM EDT | Special Weather Statement | ALY | Dutchess | 53 min |
| Sep 12, 7:07 AM EDT | Areal Flood Advisory | ALY | Dutchess, Ulster | 113 min |
| Sep 12, 9:26 AM EDT | Areal Flood Advisory | ALY | Dutchess | 3 hr |
Nearby
Flash Flood Watches in New York, 2018Flash Flood Watches in Connecticut, 2018Every 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.