Alert archive / Pennsylvania / Flash Flood Warnings in 2021

Flash Flood Warning 67, NWS Binghamton, NY

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

NWS Binghamton, NY issued this flash flood warning at Sep 1, 2021, 11:46 PM EDT for Lackawanna County, Pike County, Wayne County, Pennsylvania; Sullivan County, New York. It was in force for 74 min. 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
Sep 1, 2021, 11:46 PM EDT (03:46 UTC)
Expired
Sep 2, 2021, 1:00 AM EDT
In force
74 min
Issued by
NWS Binghamton, NY
Area
Storm-based polygon
Flood severity
None

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

The radar

The Binghamton radar (KBGM), 117 km from the middle of the area, began a volume at 03:46 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 2, 12:36 AM EDTHEAVY RAIN 6.18 W Dingmans Ferry, PAEDGEMERE, DELAWARE TWP.

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 00:00Z, 3.8 hours before the alert went out and 194 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 00:00Z on 2021-09-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Albany, NY at 00:00Z on 2021-09-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -26 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
3 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
525 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
-26 m²/s²
0-3 km storm-relative helicity
36 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

235 
WGUS51 KBGM 020346
FFWBGM
NYC105-PAC069-103-127-020500-
/O.NEW.KBGM.FF.W.0067.210902T0346Z-210902T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Binghamton NY
1146 PM EDT Wed Sep 1 2021

The National Weather Service in Binghamton has issued a

* Flash Flood Warning for...
  Southwestern Sullivan County in central New York...
  Eastern Lackawanna County in northeastern Pennsylvania...
  Pike County in northeastern Pennsylvania...
  Southern Wayne County in northeastern Pennsylvania...

* Until 100 AM EDT.

* At 1146 PM EDT, While heavy rainfall has mostly diminished across 
  the area, runoff will continue to contribute to localized flooding 
  for another hour or so, particularly in the higher terrain of the 
  Poconos.


  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...
  Scranton, Carbondale, Honesdale, Dunmore, Bushkill, Archbald, 
  Dickson City, Moosic, Olyphant, Lackawaxen, Blooming Grove, 
  Paupack, Shohola, Moscow, Mayfield, Clarks Green, Sterling, 
  Waymart, Hawley and Milford.

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 4153 7569 4161 7531 4161 7503 4135 7473
      4132 7479 4113 7493 4108 7503 4114 7508
      4115 7516 4125 7513 4123 7551 4122 7554
      4117 7560 4119 7565

FLASH FLOOD...OBSERVED

$$

MPH
1 follow-up statement
813 
WGUS71 KBGM 020502
FFSBGM

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

NYC105-PAC069-103-127-020512-
/O.EXP.KBGM.FF.W.0067.000000T0000Z-210902T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Sullivan NY-Lackawanna PA-Pike PA-Wayne PA-
102 AM EDT Thu Sep 2 2021

...FLASH FLOOD WARNING HAS EXPIRED FOR SOUTHWESTERN SULLIVAN, 
EASTERN LACKAWANNA, PIKE AND SOUTHERN WAYNE COUNTIES...

The heavy rain has ended, and flood waters are likely to recede. 
Please continue to heed remaining road closures, and be aware for 
any road wash-outs that may not have been discovered yet.

LAT...LON 4153 7569 4161 7531 4161 7503 4135 7473
      4132 7479 4113 7493 4108 7503 4114 7508
      4115 7516 4125 7513 4123 7551 4122 7554
      4117 7560 4119 7565

$$

MPH

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 1, 8:08 PM EDTAreal Flood AdvisoryBGMLackawanna, Luzerne, Susquehanna, Wyoming3 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.