Alert archive / Pennsylvania / Flash Flood Warnings in 2021

Flash Flood Warning 66, NWS Binghamton, NY

September 1, 2021Pike County, Wayne County, Pennsylvania; Sullivan County, New York

NWS Binghamton, NY issued this flash flood warning at Sep 1, 2021, 4:00 PM EDT for Pike County, Wayne County, Pennsylvania; Sullivan County, New York. It was in force for 10 hr. 7 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
Sep 1, 2021, 4:00 PM EDT (20:00 UTC)
Expired
Sep 2, 2021, 1:30 AM EDT
In force
10 hr
Issued by
NWS Binghamton, NY
Area
Storm-based polygon
Flood severity
None

Counties Sullivan County, NY, Pike County, PA, Wayne County, PA

The radar

The Binghamton radar (KBGM), 121 km from the middle of the area, began a volume at 20:03 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
Sep 1, 6:15 PM EDTHEAVY RAIN 3.1Rock Hill, NYNEW RAINFALL SINCE 7 AM.
Sep 1, 7:14 PM EDTHEAVY RAIN 1.77Callicoon Center, NYSINCE 8 AM.
Sep 1, 9:41 PM EDTFLASH FLOOD1 N Kenoza Lake, NYNY 52A ROAD CLOSED AT STORNE ARCH BRIDGE. (511NY).
Sep 1, 10:47 PM EDTFLOOD1 Ssw Maplewood, NYWATER OVER CAMP KENNY BROOK RD.
Sep 1, 11:00 PM EDTFLASH FLOOD2 Sse Harris, NYWATER CROSSING HOLMES ROAD NEAR INTERSECTION WITH GREENTREE ROAD JUST EAST OF NY-17.
Sep 1, 11:08 PM EDTFLASH FLOOD1 Se Hurleyville, NYFLOODING AT WHITTAKER ROAD NEAR INTERSECTION WITH LEVINE ROAD.
Sep 1, 11:10 PM EDTFLASH FLOOD1 Ese Harris, NYRESCUE CALL FOR A MAN STUCK ON ROOF OF HIS SUBMERGED CAR ON BIG WOODS ROAD NEAR HARRIS ROAD INTERSECTION. ALSO NEAR CONFLUENCE OF SPRING BROOK AND EAST MONGAUP RIVER.

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, 8.0 hours before the alert went out and 148 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 2021-09-01Temperature 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 2021-09-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -7 square meters per square second.1939587897Sfc1 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
1152 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
-7 m²/s²
0-3 km storm-relative helicity
99 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

693 
WGUS51 KBGM 012000
FFWBGM
NYC105-PAC103-127-020200-
/O.NEW.KBGM.FF.W.0066.210901T2000Z-210902T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Binghamton NY
400 PM EDT Wed Sep 1 2021

The National Weather Service in Binghamton has issued a

* Flash Flood Warning for...
  Sullivan County in central New York...
  Northeastern Pike County in northeastern Pennsylvania...
  Central Wayne County in northeastern Pennsylvania...

* Until 1000 PM EDT.

* At 400 PM EDT, Doppler radar indicated heavy rain across the 
  warned area. Between 1.5 and 2 inches of rain has already fallen 
  with rainfall rates approaching 1 inch in 1 hour at times. 
  Additional rainfall amounts of 2 to 3 inches is possible this 
  evening and tonight. Flash flooding is ongoing or expected to 
  begin shortly.

  HAZARD...Flash flooding caused by heavy rain.

  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...
  Monticello, Liberty, Matamoras, Fallsburg, Bethel, Damascus, 
  Neversink, South Fallsburg, Callicoon, Cochecton, Waymart, 
  Wurtsboro, Woodridge, Bloomingburg, Jeffersonville, Bethany, White 
  Lake, Smallwood, Mongaup Valley and Fosterdale.

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.

&&

LAT...LON 4177 7547 4193 7457 4188 7445 4175 7458
      4165 7440 4159 7436 4157 7442 4151 7448
      4149 7476 4143 7475 4143 7474 4140 7474
      4136 7469 4135 7472 4135 7473 4135 7474
      4161 7505 4161 7531 4157 7545

FLASH FLOOD...RADAR INDICATED

$$

Kistner
5 follow-up statements
255 
WGUS71 KBGM 012247
FFSBGM

Flash Flood Statement
National Weather Service Binghamton NY
647 PM EDT Wed Sep 1 2021

NYC105-PAC103-127-020200-
/O.CON.KBGM.FF.W.0066.000000T0000Z-210902T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Sullivan NY-Pike PA-Wayne PA-
647 PM EDT Wed Sep 1 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 10 PM EDT THIS 
EVENING FOR SULLIVAN, NORTHEASTERN PIKE AND CENTRAL WAYNE COUNTIES...

At 647 PM EDT, Doppler radar indicated heavy rain across the warned 
area. Between 2.5 and 3 inches of rain has already fallen with 
rainfall rates approaching 1 inch in 1 hour at times. Additional 
rainfall amounts of 1 to 2 inches is possible this evening and 
tonight. Flash flooding is ongoing or expected to begin shortly.

HAZARD...Flash flooding caused by heavy rain.

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...
  Monticello, Liberty, Matamoras, Fallsburg, Bethel, Damascus, 
  Neversink, South Fallsburg, Callicoon, Cochecton, Waymart, 
  Wurtsboro, Woodridge, Bloomingburg, Jeffersonville, Bethany, White 
  Lake, Smallwood, Mongaup Valley and Fosterdale.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

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 4177 7547 4193 7457 4188 7445 4175 7458
      4165 7440 4159 7436 4157 7442 4151 7448
      4149 7476 4143 7475 4143 7474 4140 7474
      4136 7469 4135 7472 4135 7473 4135 7474
      4161 7505 4161 7531 4157 7545

FLASH FLOOD...RADAR INDICATED

$$

Kistner
396 
WGUS51 KBGM 020127
FFWBGM
NYC105-PAC103-127-020400-
/O.EXT.KBGM.FF.W.0066.000000T0000Z-210902T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Binghamton NY
927 PM EDT Wed Sep 1 2021

The National Weather Service in Binghamton has extended the

* Flash Flood Warning for...
  Sullivan County in central New York...
  Northeastern Pike County in northeastern Pennsylvania...
  Central Wayne County in northeastern Pennsylvania...

* Until midnight EDT.

* At 927 PM EDT, Doppler radar indicated heavy rain across the 
  warned area. Between 3 and 4 inches of rain has fallen. Flash 
  flooding is already occurring. Rainfall will soon be coming to an 
  end, but water on streams and creeks will likely continue to rise 
  for several more hours.

  HAZARD...Flash flooding caused by heavy rain.

  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...
  Monticello, Liberty, Matamoras, Fallsburg, Bethel, Damascus, 
  Neversink, South Fallsburg, Callicoon, Cochecton, Waymart, 
  Wurtsboro, Woodridge, Bloomingburg, Jeffersonville, Bethany, White 
  Lake, Smallwood, Mongaup Valley and Fosterdale.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

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 4177 7547 4193 7457 4188 7445 4175 7458
      4165 7440 4159 7436 4157 7442 4151 7448
      4149 7476 4143 7475 4143 7474 4140 7474
      4136 7469 4135 7472 4135 7473 4135 7474
      4161 7505 4161 7531 4157 7545

FLASH FLOOD...RADAR INDICATED

$$

Kistner
113 
WGUS71 KBGM 020324
FFSBGM

Flash Flood Statement
National Weather Service Binghamton NY
1124 PM EDT Wed Sep 1 2021

NYC105-PAC103-127-020400-
/O.CON.KBGM.FF.W.0066.000000T0000Z-210902T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Sullivan NY-Pike PA-Wayne PA-
1124 PM EDT Wed Sep 1 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EDT TONIGHT 
FOR SULLIVAN, NORTHEASTERN PIKE AND CENTRAL WAYNE COUNTIES...

At 1124 PM EDT, While the heaviest rain has diminished, emergency 
management and dispatchers continue to report flooding, particularly 
across areas north of Monticello, including around Harris in the 
Mongaup Valley. Between 3 and 5 inches of rain have fallen. Flash 
flooding is ongoing.

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...
Monticello, Liberty, Matamoras, Fallsburg, Bethel, Damascus, 
Neversink, South Fallsburg, Callicoon, Cochecton, Waymart, 
Wurtsboro, Woodridge, Bloomingburg, Jeffersonville, Bethany, White 
Lake, Smallwood, Mongaup Valley and Fosterdale.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

&&

LAT...LON 4177 7547 4193 7457 4188 7445 4175 7458
      4165 7440 4159 7436 4157 7442 4151 7448
      4149 7476 4143 7475 4143 7474 4140 7474
      4136 7469 4135 7472 4135 7473 4135 7474
      4161 7505 4161 7531 4157 7545

FLASH FLOOD...OBSERVED

$$

MPH
502 
WGUS51 KBGM 020349
FFWBGM
NYC105-PAC103-127-020530-
/O.EXT.KBGM.FF.W.0066.000000T0000Z-210902T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Binghamton NY
1149 PM EDT Wed Sep 1 2021

The National Weather Service in Binghamton has extended the

* Flash Flood Warning for...
  Sullivan County in central New York...
  Northeastern Pike County in northeastern Pennsylvania...
  Central Wayne County in northeastern Pennsylvania...

* Until 130 AM EDT.

* At 1149 PM EDT, Rainfall has diminished in intensity across the 
  warning area, but moderate rain and continued runoff will continue 
  to contribute to localized flash flooding across the area for 
  another hour or so.

  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...
  Monticello, Liberty, Matamoras, Fallsburg, Bethel, Damascus, 
  Neversink, South Fallsburg, Callicoon, Cochecton, Waymart, 
  Wurtsboro, Woodridge, Bloomingburg, Jeffersonville, Bethany, White 
  Lake, Smallwood, Mongaup Valley and Fosterdale.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

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 4177 7547 4193 7457 4188 7445 4175 7458
      4165 7440 4159 7436 4157 7442 4151 7448
      4149 7476 4143 7475 4143 7474 4140 7474
      4136 7469 4135 7472 4135 7473 4135 7474
      4161 7505 4161 7531 4157 7545

FLASH FLOOD...OBSERVED

$$

MPH
308 
WGUS71 KBGM 020501
FFSBGM

Flash Flood Statement
National Weather Service Binghamton NY
101 AM EDT Thu Sep 2 2021

PAC127-020511-
/O.CAN.KBGM.FF.W.0066.000000T0000Z-210902T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Wayne PA-
101 AM EDT Thu Sep 2 2021

...FLASH FLOOD WARNING IS CANCELLED FOR CENTRAL WAYNE COUNTY...

Heavy rainfall has ended across central Wayne County and Flash 
Flooding is no longer expected to pose a threat. Please continue to 
heed remaining road closures. Be aware for road wash-outs that may 
not have been discovered yet.

LAT...LON 4183 7511 4193 7458 4188 7445 4175 7458
      4165 7440 4159 7436 4151 7448 4149 7476
      4143 7475 4143 7474 4136 7469 4135 7472
      4135 7474 4161 7507 4162 7504 4171 7507
      4171 7505 4175 7505 4177 7510 4181 7507

$$

NYC105-PAC103-020530-
/O.CON.KBGM.FF.W.0066.000000T0000Z-210902T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Sullivan NY-Pike PA-
101 AM EDT Thu Sep 2 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 130 AM EDT EARLY THIS 
MORNING FOR SULLIVAN AND EAST CENTRAL PIKE COUNTIES...

At 101 AM EDT, Rainfall continues to diminish across the area, but 
runoff will continue to contribute to flash flooding, mainly in 
smaller creeks and streams.

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...
  Monticello, Liberty, Matamoras, Fallsburg, Bethel, Damascus, 
  Neversink, South Fallsburg, Callicoon, Cochecton, Wurtsboro, 
  Woodridge, Bloomingburg, Jeffersonville, Maplewood, Mongaup 
  Valley, Harris, Smallwood, Swan Lake and Hurleyville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

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 4183 7511 4193 7458 4188 7445 4175 7458
      4165 7440 4159 7436 4151 7448 4149 7476
      4143 7475 4143 7474 4136 7469 4135 7472
      4135 7474 4161 7507 4162 7504 4171 7507
      4171 7505 4175 7505 4177 7510 4181 7507

FLASH FLOOD...OBSERVED

$$

MPH

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 1, 9:38 AM EDTRiver Flood WarningBGMPike, Wayne30 hr
Sep 1, 10:02 AM EDTAreal Flood AdvisoryBGMLackawanna, Luzerne60 min
Sep 1, 11:02 AM EDTFlash Flood WarningBGMLackawanna, Luzerne13 hr
Sep 1, 11:40 AM EDTAreal Flood AdvisoryBGMLackawanna, Luzerne, Pike, Wayne, Wyoming6 hr
Sep 1, 1:00 PM EDTFlash Flood WarningBGMLackawanna, Luzerne, Pike, Wayne, Wyoming11 hr
Sep 1, 4:44 PM EDTRiver Flood WarningBGMLackawanna13 hr

Nearby

Flash Flood Warnings in Pennsylvania, 2021Flash 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.