Alert archive / New York / Flash Flood Warnings in 2021

Flash Flood Warning 22, NWS Albany, NY

July 29, 2021Bennington County, Vermont; Saratoga County, Washington County, New York

NWS Albany, NY issued this flash flood warning at Jul 29, 2021, 7:50 PM EDT for Bennington County, Vermont; Saratoga County, Washington County, New York. It was in force for 115 min. 27 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 29, 2021, 7:50 PM EDT (23:50 UTC)
Expired
Jul 29, 2021, 9:45 PM EDT
In force
115 min
Issued by
NWS Albany, NY
Area
Storm-based polygon
Flood severity
None

Counties Saratoga County, NY, Washington County, NY, Bennington County, VT

The radar

The Albany radar (KENX), 79 km from the middle of the area, began a volume at 23:53 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 29, 7:57 PM EDTFLASH FLOODArgyle, NYDOLLAR GENERAL STORE FLOODED.
Jul 29, 8:00 PM EDTFLASH FLOODMoreau, NYFLOODING IN SEVERAL PLACES IN NORTHERN SARATOGA COUNTY. A SIGNIFICANT MUDSLIDE REPORTED IN THE TOWN OF MOREAU.
Jul 29, 8:00 PM EDTHEAVY RAIN 5.51 Se Manchester, VTMINOR STREET FLOODING. WATER FLOODED ROADS AND YARDS...MOVED GRAVEL AND ROCKS ACROSS THE ROAD.
Jul 29, 8:07 PM EDTFLASH FLOOD1 S Fort Edward, NYWATER OVER ROADWAY ON TORI TRACE.
Jul 29, 8:13 PM EDTFLASH FLOOD3 S Fort Edward, NYIMPASSABLE ROADWAY ON ROUTE 4 AND BLACKHOUSE RD.
Jul 29, 8:15 PM EDTFLASH FLOODArgyle, NYWATER RUNNING OVER ROADWAYS. ALSO A ROCK SLIDE.
Jul 29, 8:15 PM EDTFLASH FLOODFort Edward, NYWATER RUNNING OVER ROADWAYS.
Jul 29, 8:16 PM EDTFLASH FLOODArgyle, NYDRIVEWAY WASHED OUT.
Jul 29, 8:36 PM EDTFLASH FLOOD1 S Middle Falls, NYNUMEROUS AREAS OF SEVERAL INCHES OF STANDING WATER AND WATER RUSHING OVER THE ROAD FROM OTHER ROADS ALONG NY ROUTES 29 AND 40 FROM SARATOGA TO ARGYLE.
Jul 29, 8:37 PM EDTFLASH FLOOD4 Nne Middle Falls, NYIMPASSABLE ROADWAY - TREE/ROCK SLIDE ON STATE ROUTE 40 IN ARGYLE.
Jul 29, 8:38 PM EDTFLASH FLOOD4 N Middle Falls, NYROADWAY WASHED OUT NEAR O'BRIEN RD AND ANTHONY RD. IN FORT EDWARD.
Jul 29, 8:38 PM EDTFLASH FLOOD4 N Schuylerville, NYIMPASSABLE ROADWAY ON BLODGETT RD.
Jul 29, 8:38 PM EDTFLASH FLOOD4 N Schuylerville, NYIMPASSABLE ROADWAY ON STATE ROUTE 4 AND LOCK RD.
Jul 29, 8:42 PM EDTFLASH FLOOD4 Ese Gansevoort, NYCULVERT COLLAPSE ON ROUTE 4 IN FORT EDWARD.
Jul 29, 8:45 PM EDTFLASH FLOOD2 N Schuylerville, NY3 FEET STANDING WATER ON ROUTE 32 ABOUT 0.2 MILE NORTH OF ROUTE 4
Jul 29, 8:47 PM EDTFLASH FLOOD3 Sse Argyle, NYWATER OVER THE ROADWAY ON COUNTY RD 49.
Jul 29, 8:55 PM EDTHEAVY RAIN 3.92Lake Desolation, NYWEATHERNET6
Jul 29, 9:00 PM EDTFLASH FLOOD2 Nne Schuylerville, NYIMPASSABLE ROADWAY ON CR 113 NEAR POST OFFICE LANE.
Jul 29, 9:00 PM EDTFLASH FLOOD4 Se Argyle, NYWATER OVER THE ROADWAY NEAR INTERSECTION OF CR 48 AND CR 49.
Jul 29, 9:05 PM EDTFLASH FLOODManchester, VTMANY ROADWAYS FLOODED AND CLOSED.
Jul 29, 9:07 PM EDTFLASH FLOOD4 Ssw Argyle, NYROADWAY WASHED OUT ON HUNTER RD BETWEEN WILLAMS RD AND MOORE RD.
Jul 29, 9:10 PM EDTFLASH FLOOD2 Sse Moreau, NYROADWAY IMPASSABLE NEAR INTERSECTION OF FORTSVILLE RD AND CLARK RD.
Jul 29, 9:15 PM EDTHEAVY RAIN 3.573 Nne Arlington, VTOCCURRED BETWEEN 4PM AND 915PM
Jul 29, 9:26 PM EDTFLASH FLOOD2 S Argyle, NYROADWAY WASHED OUT ON COUNTY FARM RD.
Jul 29, 9:27 PM EDTFLASH FLOOD1 Nnw Wilton, NYWATER RESCUE (CAR STUCK IN FLOOD WATERS). INTERSECTION OF BALLARD RD AND RT 9 CLOSED DUE TO FLOODING.
Jul 29, 9:34 PM EDTFLASH FLOOD4 Ese Argyle, NYCULVERT PLUGGED, FLOODED INTO CO/S WELL ON EAST LAKE RD.
Jul 29, 9:52 PM EDTFLASH FLOOD4 Ssw Argyle, NYROADWAY FLOODED ON MOORE RD.

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, 11.8 hours before the alert went out and 60 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 2021-07-29Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Albany, NY at 12:00Z on 2021-07-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 109 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
1046 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
109 m²/s²
0-3 km storm-relative helicity
167 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

623 
WGUS51 KALY 292350
FFWALY
NYC091-115-VTC003-300145-
/O.NEW.KALY.FF.W.0022.210729T2350Z-210730T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Albany NY
750 PM EDT Thu Jul 29 2021

The National Weather Service in Albany has issued a

* Flash Flood Warning for...
  Central Saratoga County in east central New York...
  Southern Washington County in east central New York...
  Northern Bennington County in southern Vermont...

* Until 945 PM EDT.

* At 750 PM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1 and 3 inches of rain 
  have fallen. The expected rainfall rate is 0.5 to 2 inches in 2 
  hours. 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.

* Some locations that will experience flash flooding include...
  Saratoga Springs, Arlington, Salem, Manchester, Milton, Ballston 
  Spa, Fort Edward, Corinth, Dorset, Greenwich, Galway, North 
  Ballston Spa, Rock City Falls, Manchester Center, Kings, Mount 
  Pleasant, Gates, Wilton, Greenfield and Porter.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

&&

LAT...LON 4327 7408 4327 7383 4325 7383 4322 7377
      4327 7374 4328 7369 4326 7368 4328 7367
      4330 7322 4326 7285 4312 7291 4312 7300
      4310 7300 4299 7408 4300 7409

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...0.5-2 INCHES IN 2 HOURS

$$

MSE

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 29, 7:41 PM EDTSevere Thunderstorm WarningALYBennington64 min
Jul 29, 5:49 PM EDTAreal Flood AdvisoryALYSaratoga, Warren, Washington3 hr
Jul 29, 6:55 PM EDTAreal Flood AdvisoryALYFulton, Hamilton, Herkimer, Saratoga, Warren115 min

Nearby

Flash Flood Warnings in New York, 2021Flash Flood Warnings in Vermont, 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.