Alert archive / New York / Flash Flood Warnings in 2021

Flash Flood Warning 21, NWS Albany, NY

July 19, 2021Fulton County, Montgomery County, New York

NWS Albany, NY issued this flash flood warning at Jul 19, 2021, 6:03 PM EDT for Fulton County, Montgomery County, New York. It was in force for 5 hr. 1 report 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 19, 2021, 6:03 PM EDT (22:03 UTC)
Expired
Jul 19, 2021, 11:00 PM EDT
In force
5 hr
Issued by
NWS Albany, NY
Area
Storm-based polygon
Flood severity
None

Counties Fulton County, NY, Montgomery County, NY

The radar

The Albany radar (KENX), 49 km from the middle of the area, began a volume at 22:06 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 19, 6:06 PM EDTFLASH FLOODFonda, NYROAD CLOSED ON THE INTERSECTION OF MAIN STREET AND BROADWAY DUE TO WATER. FIRE DEPARTMENT AND POLICE ON THE SCENE.

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, 10.1 hours before the alert went out and 55 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 2021-07-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 23 joules per kilogram.LCLLFCEL10008507005003002001001 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 2021-07-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -62 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
23 J/kg
Mixed-layer CIN
-164 J/kg
Mixed-layer LCL
538 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
-62 m²/s²
0-3 km storm-relative helicity
-27 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

870 
WGUS51 KALY 192203
FFWALY
NYC035-057-200115-
/O.NEW.KALY.FF.W.0021.210719T2203Z-210720T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Albany NY
603 PM EDT Mon Jul 19 2021

The National Weather Service in Albany has issued a

* Flash Flood Warning for...
  South Central Fulton County in eastern New York...
  Central Montgomery County in eastern New York...

* Until 915 PM EDT.

* At 603 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 1 to 3 inches in 1 
  hour. Additional rainfall amounts of 1 to 3 inches are possible in 
  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.

* Some locations that will experience flash flooding include...
  Gloversville, Johnstown, Fonda, Fort Johnson, Tribes Hill, Glen, 
  Charleston, Fultonville, Square Barn Corners, Berryville, 
  Auriesville, Randall, Sammonsville, Hale Mills, Yosts, Davis 
  Corners, Church Corners, Mill Point, Snooks Corners and Kecks 
  Center.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4305 7448 4309 7440 4296 7425 4284 7423
      4281 7443 4290 7448

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1-3 INCHES IN 1 HOUR

$$

MSE
3 follow-up statements
946 
WGUS71 KALY 192333
FFSALY

Flash Flood Statement
National Weather Service Albany NY
733 PM EDT Mon Jul 19 2021

NYC035-057-200115-
/O.CON.KALY.FF.W.0021.000000T0000Z-210720T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Fulton NY-Montgomery NY-
733 PM EDT Mon Jul 19 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 915 PM EDT THIS 
EVENING FOR SOUTH CENTRAL FULTON AND CENTRAL MONTGOMERY COUNTIES...

At 733 PM EDT, Rainfall has ended, however, State of Emergency in 
the Village of Fonda due to significant flooding.  Travel is 
restricted. Between 2 and 4 inches of rain have fallen.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Radar and County Officials.

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...
  Gloversville, Johnstown, Fonda, Fort Johnson, Tribes Hill, Glen, 
  Charleston, Fultonville, Square Barn Corners, Berryville, 
  Auriesville, Randall, Sammonsville, Hale Mills, Yosts, Davis 
  Corners, Church Corners, Mill Point, Snooks Corners and Kecks 
  Center.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.  Follow local law enforcement officials 
for road closures.

Be aware of your surroundings and do not drive on flooded roads.

&&

LAT...LON 4305 7448 4309 7440 4296 7425 4284 7423
      4281 7443 4290 7448

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1-3 INCHES IN 1 HOUR

$$

BGM
298 
WGUS51 KALY 200024
FFWALY
NYC035-057-200300-
/O.EXT.KALY.FF.W.0021.000000T0000Z-210720T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Albany NY
824 PM EDT Mon Jul 19 2021

The National Weather Service in Albany has extended the

* Flash Flood Warning for...
  South Central Fulton County in eastern New York...
  Central Montgomery County in eastern New York...

* Until 1100 PM EDT.

* At 824 PM EDT, Emergency management reported flash flooding as a 
  State of Emergency in effect for the Village of Fonda.  Travel is 
  restricted in the village at this time. Between 2 and 4 inches of 
  rain have fallen.

  HAZARD...Flash flooding caused by heavy rain.

  SOURCE...Emergency management reported.

  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...
  Gloversville, Johnstown, Fonda, Fort Johnson, Tribes Hill, Glen, 
  Charleston, Fultonville, Square Barn Corners, Berryville, 
  Auriesville, Randall, Sammonsville, Hale Mills, Yosts, Davis 
  Corners, Church Corners, Mill Point, Snooks Corners and Kecks 
  Center.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be aware of your surroundings and do not drive on flooded roads.

&&

LAT...LON 4305 7448 4309 7440 4296 7425 4284 7423
      4281 7443 4290 7448

FLASH FLOOD...OBSERVED

$$

BGM
785 
WGUS71 KALY 200251
FFSALY

Flash Flood Statement
National Weather Service Albany NY
1051 PM EDT Mon Jul 19 2021

NYC035-057-200301-
/O.EXP.KALY.FF.W.0021.000000T0000Z-210720T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Fulton NY-Montgomery NY-
1051 PM EDT Mon Jul 19 2021

...FLASH FLOOD WARNING WILL EXPIRE AT 11 PM EDT THIS EVENING FOR 
SOUTH CENTRAL FULTON AND CENTRAL MONTGOMERY COUNTIES...

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

LAT...LON 4305 7448 4309 7440 4296 7425 4284 7423
      4281 7443 4290 7448

$$

BGM

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 19, 5:41 PM EDTSevere Thunderstorm WarningALYFulton, Montgomery, Schenectady, Schoharie64 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.