Alert archive / New York / Flash Flood Warnings in 2021

Flash Flood Warning 6, NWS Albany, NY

July 8, 20214 counties in New York

NWS Albany, NY issued this flash flood warning at Jul 8, 2021, 10:54 AM EDT for 4 counties in New York. It was in force for 3 hr. 4 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jul 8, 2021, 10:54 AM EDT (14:54 UTC)
Expired
Jul 8, 2021, 1:52 PM EDT
In force
3 hr
Issued by
NWS Albany, NY
Area
Storm-based polygon
Flood severity
None

Counties Columbia County, NY, Dutchess County, NY, Greene County, NY, Ulster County, NY

The radar

The Albany radar (KENX), 97 km from the middle of the area, began a volume at 14:54 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.

What was reported inside it

TimeReportWhereRemark
Jul 8, 11:33 AM EDTHEAVY RAIN 2.453 W Woodstock, NYSINCE 8AM EDT.
Jul 8, 12:00 PM EDTFLASH FLOOD1 Nne Ulster Park, NYROAD CLOSED DUE TO WATER OVER ROADWAY.
Jul 8, 12:51 PM EDTHEAVY RAIN 1.3Germantown, NYWEATHERNET6
Jul 8, 12:59 PM EDTFLASH FLOOD4 Ne Saugerties, NYOCCUPIED VEHICLE STRANDED IN FLOOD WATER ON HUNTERSTOWN RD IN TOWN OF GERMANTOWN.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 2.9 hours before the alert went out and 113 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-pSkew-T log-p diagram, Albany, NY at 12:00Z on 2021-07-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Albany, NY at 12:00Z on 2021-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 56 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
578 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
56 m²/s²
0-3 km storm-relative helicity
126 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

427 
WGUS51 KALY 081454
FFWALY
NYC021-027-039-111-081800-
/O.NEW.KALY.FF.W.0006.210708T1454Z-210708T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Albany NY
1054 AM EDT Thu Jul 8 2021

The National Weather Service in Albany has issued a

* Flash Flood Warning for...
  Ulster County in east central New York...
  Northwestern Dutchess County in east central New York...
  Southwestern Columbia County in east central New York...
  Southeastern Greene County in east central New York...

* Until 200 PM EDT.

* At 1053 AM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Over one inch of rain has 
  already fallen. Flash flooding is ongoing or expected to begin 
  shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar indicated.

  IMPACT...Flooding of small creeks and streams, urban areas, 
           highways, streets and underpasses as well as other 
           drainage and low lying areas.

* Some locations that will experience flooding include...
  Kingston, New Paltz, Ellenville, Catskill, Saugerties, Rhinebeck,
  Hurley, Woodstock, Clermont, Red Hook, High Falls, Tillson,
  Napanoch, Woodland Valley Campground, Staatsburg, Mount Tremper,
  Olivebridge, Kerhonkson, West Hurley and Saugerties South.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to higher ground now. Act quickly to protect your life.

Please report flooding to your local law enforcement agency when you
can do so safely.

Please report flooding to the National Weather Service by email at
ALB.stormreport@noaa.gov...
On Facebook at www.facebook.com/nwsalbany or twitter @nwsalbany.

&&

LAT...LON 4162 7439 4164 7439 4172 7453 4176 7456
      4188 7445 4195 7462 4223 7388 4196 7371
      4162 7425 4163 7425 4163 7427 4160 7433
      4160 7435 4159 7436

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1-2 INCHES IN 1 HOUR

$$

ATE
2 follow-up statements
168 
WGUS71 KALY 081645
FFSALY

Flash Flood Statement
National Weather Service Albany NY
1245 PM EDT Thu Jul 8 2021

NYC021-027-039-111-081800-
/O.CON.KALY.FF.W.0006.000000T0000Z-210708T1800Z/
/00000.U.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Columbia NY-Dutchess NY-Greene NY-Ulster NY-
1245 PM EDT Thu Jul 8 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 2 PM EDT THIS 
AFTERNOON FOR SOUTHWESTERN COLUMBIA, NORTHWESTERN DUTCHESS, 
SOUTHEASTERN GREENE AND EASTERN ULSTER COUNTIES...

At 1245 PM EDT, Doppler radar indicated thunderstorms producing 
heavy rain across the warned area. Flash flooding is ongoing or 
expected to begin shortly.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Radar.

IMPACT...Flash flooding of small creeks and streams, urban areas,
         highways, streets and underpasses as well as other poor
         drainage and low-lying areas.

LAT...LON 4195 7425 4198 7428 4201 7430 4204 7431
      4218 7400 4223 7388 4202 7375 4196 7371
      4169 7415 4176 7417 4183 7418 4189 7421

FLASH FLOOD...RADAR INDICATED

$$

JLV
912 
WGUS71 KALY 081752
FFSALY

Flash Flood Statement
National Weather Service Albany NY
152 PM EDT Thu Jul 8 2021

NYC021-027-039-111-081802-
/O.CAN.KALY.FF.W.0006.000000T0000Z-210708T1800Z/
/00000.U.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Columbia NY-Dutchess NY-Greene NY-Ulster NY-
152 PM EDT Thu Jul 8 2021

...FLASH FLOOD WARNING IS CANCELLED FOR SOUTHWESTERN COLUMBIA, 
NORTHWESTERN DUTCHESS, SOUTHEASTERN GREENE AND EASTERN ULSTER 
COUNTIES...

The heavy rain has ended. Flooding is no longer expected to pose a 
threat. Please continue to heed remaining road closures.

LAT...LON 4195 7425 4198 7428 4201 7430 4204 7431
      4218 7400 4223 7388 4202 7375 4196 7371
      4169 7415 4176 7417 4183 7418 4189 7421

$$

JLV

The office that day

Everything else NWS Albany, NY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 7, 8:01 PM EDTSpecial Weather StatementALYDutchess44 min
Jul 7, 8:21 PM EDTAreal Flood AdvisoryALYColumbia3 hr
Jul 7, 8:23 PM EDTSevere Thunderstorm WarningALYDutchess67 min
Jul 7, 8:35 PM EDTSpecial Weather StatementALYUlster40 min
Jul 7, 8:37 PM EDTSpecial Weather StatementALYColumbia38 min
Jul 7, 8:47 PM EDTAreal Flood AdvisoryALYDutchess3 hr
Jul 7, 9:07 PM EDTAreal Flood AdvisoryALYColumbia, Dutchess, Ulster3 hr
Jul 7, 9:27 PM EDTSpecial Weather StatementALYColumbia33 min
Jul 7, 9:49 PM EDTSpecial Weather StatementALYGreene26 min
Jul 7, 10:31 PM EDTSpecial Weather StatementALYDutchess29 min
Jul 7, 10:46 PM EDTSpecial Weather StatementALYUlster29 min
Jul 7, 10:47 PM EDTSpecial Weather StatementALYDutchess28 min
Jul 7, 11:02 PM EDTSevere Thunderstorm WarningALYColumbia, Dutchess, Greene, Ulster58 min
Jul 7, 11:20 PM EDTSevere Thunderstorm WarningALYFulton, Herkimer, Montgomery, Schenectady, Schoharie55 min
Jul 7, 11:22 PM EDTSpecial Weather StatementALYDutchess38 min
Jul 8, 12:00 AM EDTSevere Thunderstorm WarningALYAlbany, Columbia, Dutchess, Greene, Rensselaer, Schoharie and 1 more60 min
Jul 8, 12:01 AM EDTSevere Thunderstorm WarningALYDutchess59 min
Jul 8, 12:13 AM EDTSpecial Weather StatementALYDutchess32 min
Jul 8, 12:15 AM EDTSpecial Weather StatementALYFulton, Montgomery, Saratoga, Schenectady45 min
Jul 8, 12:29 AM EDTAreal Flood AdvisoryALYColumbia, Dutchess, Greene, Ulster2 hr
Jul 8, 12:34 AM EDTSpecial Weather StatementALYAlbany, Rensselaer, Schenectady41 min
Jul 8, 12:54 AM EDTSpecial Weather StatementALYDutchess36 min
Jul 8, 12:58 AM EDTSpecial Weather StatementALYColumbia47 min
Jul 8, 3:57 AM EDTFlash Flood WatchALYColumbia, Dutchess, Greene, Ulster32 hr
Jul 8, 9:57 AM EDTAreal Flood AdvisoryALYColumbia, Dutchess, Ulster3 hr
Jul 8, 11:28 AM EDTSpecial Weather StatementALYColumbia32 min
Jul 8, 2:14 PM EDTSpecial Weather StatementALYDutchess31 min
Jul 8, 3:10 PM EDTAreal Flood AdvisoryALYDutchess3 hr
Jul 8, 7:39 PM EDTSpecial Weather StatementALYHerkimer51 min
Jul 8, 7:46 PM EDTSpecial Weather StatementALYHerkimer44 min

Nearby

Flash Flood Warnings in New York, 2021Every flash flood warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.