Alert archive / New York / Flash Flood Warnings in 2021

Flash Flood Warning 72, NWS Binghamton, NY

October 26, 2021Delaware County, Sullivan County, New York

NWS Binghamton, NY issued this flash flood warning at Oct 26, 2021, 10:49 AM EDT for Delaware County, Sullivan County, New York. It was in force for 5 hr. 6 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: Oct 26, 2021, 10:49 AM EDT (14:49 UTC)
Expired: Oct 26, 2021, 3:53 PM EDT
In force: 5 hr
Issued by: NWS Binghamton, NY
Area: Storm-based polygon
Flood severity: None

Counties Delaware County, NY, Sullivan County, NY

The radar

The Albany radar (KENX), 108 km from the middle of the area, began a volume at 14:51 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.

What was reported inside it

Time	Report	Where	Remark
Oct 26, 12:00 PM EDT	HEAVY RAIN 3.56	Liberty, NY	REPORTED 2.09 THIS MORNING, RECEIVED ANOTHER 1.47 SINCE 7AM WITH A TOTAL NOW OF 3.56.
Oct 26, 12:28 PM EDT	FLASH FLOOD	1 Ssw Jeffersonville, NY	FLOODING ON NY 52 BLOCKED ALL LANES, TIME TAKEN FROM 511.
Oct 26, 12:42 PM EDT	FLASH FLOOD	1 Wsw Kenoza Lake, NY	VEHICLE IN RIVER NEAR 17B AND MESMER HILL RD, WATER ACROSS ROADWAY.
Oct 26, 2:45 PM EDT	FLASH FLOOD	Jeffersonville, NY	NUMEROUS ROADS FLOODED WITH WATER RESCUES.
Oct 26, 2:45 PM EDT	FLASH FLOOD	Livingston Manor, NY	NUMEROUS ROADS FLOODED WITH WATER RESCUES.
Oct 26, 2:45 PM EDT	FLASH FLOOD	Roscoe, NY	NUMEROUS ROADS FLOODED WITH WATER RESCUES.

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, 2.8 hours before the alert went out and 127 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 517 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 344 m²/s²
0-3 km storm-relative helicity: 343 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

920 
WGUS51 KBGM 261449
FFWBGM
NYC025-105-261845-
/O.NEW.KBGM.FF.W.0072.211026T1449Z-211026T1845Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Binghamton NY
1049 AM EDT Tue Oct 26 2021

The National Weather Service in Binghamton has issued a

* Flash Flood Warning for...
  South Central Delaware County in central New York...
  Sullivan County in central New York...

* Until 245 PM EDT.

* At 1049 AM EDT, Moderate to heavy rainfall has occurred this 
  morning with rain gauge reports indicating between 2 to 3 inches 
  of rain so far. Moderate to heavy rainfall will continue into 
  early this afternoon.  Flash flooding is ongoing or expected to 
  begin shortly.

  HAZARD...Flash flooding caused by heavy rain.

  SOURCE...Gauges 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...
  Monticello, Liberty, Fallsburg, Bethel, Neversink, South 
  Fallsburg, Wurtsboro, Woodridge, Bloomingburg, Jeffersonville, 
  Parksville, White Sulphur Springs, Swan Lake, Livingston Manor, 
  Harris, Loch Sheldrake, Hurleyville, Mongaup Valley, Hazel and 
  Maplewood.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

Please report observed flooding to local emergency services or law 
enforcement and request they pass this information to the National 
Weather Service when you can do so safely.

&&

LAT...LON 4208 7511 4222 7484 4207 7466 4202 7478
      4188 7445 4175 7458 4165 7440 4160 7437
      4159 7436 4159 7439 4157 7442 4151 7448
      4149 7475 4149 7476 4146 7475 4146 7476
      4152 7496

FLASH FLOOD...GAUGE INDICATED

$$

Kistner

3 follow-up statements

774 
WGUS71 KBGM 261554
FFSBGM

Flash Flood Statement
National Weather Service Binghamton NY
1154 AM EDT Tue Oct 26 2021

NYC025-105-261845-
/O.CON.KBGM.FF.W.0072.000000T0000Z-211026T1845Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Delaware NY-Sullivan NY-
1154 AM EDT Tue Oct 26 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 245 PM EDT THIS 
AFTERNOON FOR SOUTH CENTRAL DELAWARE AND SULLIVAN COUNTIES...

At 1154 AM EDT, Flooded roads in several locations are starting to 
be reported across the area by local law enforcement. Between 2.5 
and 3 inches of rain has already fallen and moderate to heavy rain 
will continue into this afternoon. Expect streams and creeks to 
continue rise and come out of their banks. Flash flooding is already 
occurring.

HAZARD...Life threatening flash flooding. Heavy rain producing
         flash flooding.

SOURCE...Law enforcement reported.

IMPACT...Life threatening flash flooding of creeks and streams,
         urban areas, highways, streets and underpasses.

Some locations that will experience flash flooding include...
  Monticello, Liberty, Fallsburg, Bethel, Neversink, South 
  Fallsburg, Wurtsboro, Woodridge, Bloomingburg, Jeffersonville, 
  Parksville, White Sulphur Springs, Swan Lake, Livingston Manor, 
  Harris, Loch Sheldrake, Hurleyville, Mongaup Valley, Hazel and 
  Maplewood.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

Please report observed flooding to local emergency services or law 
enforcement and request they pass this information to the National 
Weather Service when you can do so safely.

&&

LAT...LON 4208 7511 4222 7484 4207 7466 4202 7478
      4188 7445 4175 7458 4165 7440 4160 7437
      4159 7436 4159 7439 4157 7442 4151 7448
      4149 7475 4149 7476 4146 7475 4146 7476
      4152 7496

FLASH FLOOD...OBSERVED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

$$

Kistner

068 
WGUS51 KBGM 261746
FFWBGM
NYC025-105-262015-
/O.EXT.KBGM.FF.W.0072.000000T0000Z-211026T2015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Binghamton NY
146 PM EDT Tue Oct 26 2021

The National Weather Service in Binghamton has extended the

* Flash Flood Warning for...
  South Central Delaware County in central New York...
  Sullivan County in central New York...

* Until 415 PM EDT.

* At 146 PM EDT, Heavy rain is starting to come to an end, however 
  over 3 inches of rain has fallen in some areas and multiple 
  reports of flooded roads have been reported by law enforcement. 
  Although rainfall is winding down, surface runoff will continue to 
  cause streams and creeks to rise over the next couple of hours. 
  Flash flooding is already occurring.

  HAZARD...Life threatening flash flooding. Heavy rain producing
           flash flooding.

  SOURCE...Law enforcement reported.

  IMPACT...Life threatening flash flooding of creeks and streams,
           urban areas, highways, streets and underpasses.

* Some locations that will experience flash flooding include...
  Monticello, Liberty, Fallsburg, Bethel, Neversink, South 
  Fallsburg, Wurtsboro, Woodridge, Bloomingburg, Jeffersonville, 
  Parksville, White Sulphur Springs, Swan Lake, Livingston Manor, 
  Harris, Loch Sheldrake, Hurleyville, Mongaup Valley, Hazel and 
  Maplewood.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

Please report observed flooding to local emergency services or law 
enforcement and request they pass this information to the National 
Weather Service when you can do so safely.

&&

LAT...LON 4208 7511 4222 7484 4207 7466 4202 7478
      4188 7445 4175 7458 4165 7440 4160 7437
      4159 7436 4159 7439 4157 7442 4151 7448
      4149 7475 4149 7476 4146 7475 4146 7476
      4152 7496

FLASH FLOOD...OBSERVED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

$$

Kistner

539 
WGUS71 KBGM 261953
FFSBGM

Flash Flood Statement
National Weather Service Binghamton NY
353 PM EDT Tue Oct 26 2021

NYC025-105-262003-
/O.CAN.KBGM.FF.W.0072.000000T0000Z-211026T2015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Delaware NY-Sullivan NY-
353 PM EDT Tue Oct 26 2021

...FLASH FLOOD WARNING FOR SOUTH CENTRAL DELAWARE AND SULLIVAN 
COUNTIES HAS BEEN REPLACED WITH A FLOOD WARNING...

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

A Flash Flood Watch remains in effect until 1200 AM EDT Wednesday 
for portions of central New York and northeast Pennsylvania.

LAT...LON 4208 7511 4222 7484 4207 7466 4202 7478
      4188 7445 4175 7458 4165 7440 4160 7437
      4159 7436 4159 7439 4157 7442 4151 7448
      4149 7475 4149 7476 4146 7475 4146 7476
      4152 7496

$$

Kistner

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 26, 9:13 AM EDT	Areal Flood Advisory	BGM	Delaware, Sullivan	96 min
Oct 26, 10:23 AM EDT	River Flood Warning	BGM	Delaware, Sullivan	16 hr
Oct 26, 11:13 AM EDT	Areal Flood Advisory	BGM	Delaware, Otsego, Sullivan	29 min
Oct 26, 11:20 AM EDT	Areal Flood Advisory	BGM	Delaware, Otsego	24 min
Oct 26, 11:42 AM EDT	Flash Flood Warning	BGM	Delaware, Otsego, Sullivan	4 hr
Oct 26, 11:44 AM EDT	Flash Flood Warning	BGM	Delaware, Otsego	4 hr
Oct 26, 12:37 PM EDT	River Flood Warning	BGM	Tompkins	20 days
Oct 26, 1:38 PM EDT	Areal Flood Advisory	BGM	Chenango, Madison, Oneida	3 hr
Oct 26, 2:26 PM EDT	Flash Flood Warning	BGM	Broome, Cayuga, Chenango, Cortland, Onondaga, Tioga and 1 more	6 hr
Oct 26, 2:49 PM EDT	River Flood Warning	BGM	Delaware	9 hr
Oct 26, 2:52 PM EDT	River Flood Warning	BGM	Cortland	52 hr
Oct 26, 3:04 PM EDT	River Flood Warning	BGM	Sullivan	36 hr
Oct 26, 3:05 PM EDT	River Flood Warning	BGM	Sullivan	42 hr
Oct 26, 3:06 PM EDT	River Flood Warning	BGM	Delaware	23 hr
Oct 26, 3:11 PM EDT	Areal Flood Warning	BGM	Delaware, Otsego	3 hr
Oct 26, 3:30 PM EDT	Areal Flood Warning	BGM	Delaware, Otsego, Sullivan	3 hr
Oct 26, 3:40 PM EDT	Areal Flood Advisory	BGM	Onondaga	3 hr
Oct 26, 3:49 PM EDT	Areal Flood Advisory	BGM	Cayuga, Seneca, Steuben, Yates	3 hr
Oct 26, 3:53 PM EDT	Areal Flood Warning	BGM	Delaware, Sullivan	3 hr
Oct 26, 4:08 PM EDT	River Flood Warning	BGM	Broome, Tioga	37 hr
Oct 26, 4:10 PM EDT	River Flood Warning	BGM	Chenango, Delaware	10 hr
Oct 26, 4:15 PM EDT	Flash Flood Warning EmergencyConsiderable damage threat	BGM	Cayuga	4 hr
Oct 26, 4:15 PM EDT	River Flood Warning	BGM	Chenango	22 hr
Oct 26, 4:20 PM EDT	Flash Flood Warning	BGM	Madison, Oneida, Onondaga	3 hr
Oct 26, 4:26 PM EDT	River Flood Warning	BGM	Broome	32 hr
Oct 26, 4:41 PM EDT	Flash Flood Warning	BGM	Tompkins	3 hr
Oct 26, 5:34 PM EDT	Flash Flood Warning Considerable damage threat	BGM	Cayuga, Schuyler, Seneca, Yates	5 hr
Oct 26, 6:17 PM EDT	Areal Flood Warning	BGM	Delaware, Otsego	3 hr
Oct 26, 6:26 PM EDT	Flash Flood Warning Considerable damage threat	BGM	Broome, Tioga	4 hr
Oct 26, 6:57 PM EDT	River Flood Warning	BGM	Broome	35 hr
Oct 26, 7:10 PM EDT	River Flood Warning	BGM	Onondaga	7 hr
Oct 26, 7:10 PM EDT	River Flood Warning	BGM	Onondaga	21 days
Oct 26, 7:44 PM EDT	Areal Flood Warning	BGM	Tompkins	2 hr

Nearby

Flash Flood Warnings in New York, 2021 Every 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.