Alert archive / Pennsylvania / Flash Flood Warnings in 2021

Flash Flood Warning 54, NWS Binghamton, NY

August 22, 2021Lackawanna County, Pennsylvania

NWS Binghamton, NY issued this flash flood warning at Aug 22, 2021, 8:48 PM EDT for Lackawanna County, Pennsylvania. It was in force for 3 hr. 14 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
Aug 22, 2021, 8:48 PM EDT (00:48 UTC)
Expired
Aug 23, 2021, 12:00 AM EDT
In force
3 hr
Issued by
NWS Binghamton, NY
Area
Storm-based polygon
Flood severity
None

County Lackawanna County, PA

The radar

The Binghamton radar (KBGM), 99 km from the middle of the area, began a volume at 00:52 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
Aug 22, 9:00 PM EDTFLASH FLOOD1 Sse Peckville, PA2 VEHICLES FLOATING IN FLOODED ROADWAY ON MAIN STREET ACROSS FROM CVS PHARMACY.
Aug 22, 9:00 PM EDTFLASH FLOOD1 Ssw Blakely, PAVEHICLE STUCK IN FLOODED ROADWAY ON MAIN STREET ACROSS FROM PLANET FITNESS.
Aug 22, 9:00 PM EDTHEAVY RAIN 1.63Richmondale, PASINCE 4PM.
Aug 22, 9:05 PM EDTFLASH FLOOD1 Sw Dickson City, PA2 VEHICLES STUCK IN FLOODED ROADWAY ON COMMERCE BOULEVARD ACROSS FROM TACO BELL.
Aug 22, 9:15 PM EDTFLOODOlyphant, PAMULTIPLE FLOODED BASEMENTS THROUGHOUT OLYPHANT.
Aug 22, 9:15 PM EDTFLASH FLOOD1 Wnw Dunmore, PAVEHICLE STUCK IN FLOODED ROADWAY ON SOUTH APPLE STREET.
Aug 22, 9:20 PM EDTHEAVY RAIN 2.8Scranton, PAFELL IN LESS THAN 1 HOUR.
Aug 22, 9:30 PM EDTFLASH FLOOD1 Nne Scranton, PATWITTER PHOTOS OF MULTIPLE VEHICLES PARTIALLY SUBMERGED IN SCRANTON AREA.
Aug 22, 9:30 PM EDTHEAVY RAIN 23 Nnw Blakely, PA
Aug 22, 9:35 PM EDTHEAVY RAIN 1.391 Sse Clarks Summit, PA0.89 INCHES IN LAST 35 MINUTES.
Aug 22, 10:15 PM EDTFLASH FLOOD1 Nne Lehigh, PA3.57 INCHES OF RAIN, SOME STREET FLOODING AND WASHOUTS OBSERVED.
Aug 22, 10:20 PM EDTFLOOD1 Sw Quicktown, PAFLOODED BASEMENT ON MADISONVILLE ROAD.
Aug 22, 10:30 PM EDTFLOOD1 Ne Scranton, PATWITTER VIDEO OF FLOODING INSIDE THE REGIONAL HOSPITAL IN SCRANTON.
Aug 23, 12:00 AM EDTHEAVY RAIN 1.86Clarks Summit, PA24 HOUR TOTAL.

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, 0.8 hours before the alert went out and 211 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 2021-08-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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 00:00Z on 2021-08-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 288 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
757 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
288 m²/s²
0-3 km storm-relative helicity
376 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

735 
WGUS51 KBGM 230048
FFWBGM
PAC069-230400-
/O.NEW.KBGM.FF.W.0054.210823T0048Z-210823T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Binghamton NY
848 PM EDT Sun Aug 22 2021

The National Weather Service in Binghamton has issued a

* Flash Flood Warning for...
  Lackawanna County in northeastern Pennsylvania...

* Until midnight EDT.

* At 848 PM EDT, Doppler radar indicated heavy rain across the 
  warned area. Flash flooding is ongoing or expected to begin 
  shortly. Law enforcement dispatch reported vehicles stuck in water 
  in Jessup.

  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...
  Scranton, Carbondale, Waverly, Dunmore, Old Forge, Archbald, 
  Dickson City, Moosic, Olyphant, Clarks Summit, Moscow, Mayfield, 
  Clarks Green, Dalton, Elmhurst, La Plume, Lehigh, Mount Cobb, 
  Tompkinsville and East Benton.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4164 7546 4126 7544 4124 7550 4122 7552
      4122 7554 4116 7560 4117 7563 4119 7565
      4126 7565 4126 7568 4129 7568 4129 7569
      4132 7569 4134 7569 4135 7574 4140 7583
      4143 7583 4151 7577 4152 7580 4164 7572

FLASH FLOOD...RADAR INDICATED

$$

JAB
1 follow-up statement
262 
WGUS71 KBGM 230158
FFSBGM

Flash Flood Statement
National Weather Service Binghamton NY
958 PM EDT Sun Aug 22 2021

PAC069-230400-
/O.CON.KBGM.FF.W.0054.000000T0000Z-210823T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lackawanna PA-
958 PM EDT Sun Aug 22 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EDT TONIGHT 
FOR LACKAWANNA COUNTY...

At 958 PM EDT, emergency management reported heavy rain resulting in 
an increase in significant flash flooding across the warned area. 
Between 2 and 3 inches of rain have fallen. Flash flooding is 
already occurring.

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

SOURCE...Emergency management reported.

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

Some locations that will experience flash flooding include...
  Scranton, Carbondale, Waverly, Dunmore, Old Forge, Archbald, 
  Dickson City, Moosic, Olyphant, Clarks Summit, Moscow, Mayfield, 
  Clarks Green, Dalton, Elmhurst, La Plume, Lehigh, Mount Cobb, 
  Tompkinsville and East Benton.

Numerous roads and properties flooded are. Several cars are stranded 
in flood water from Scranton to Carbondale.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4164 7546 4126 7544 4124 7550 4122 7552
      4122 7554 4116 7560 4117 7563 4119 7565
      4126 7565 4126 7568 4129 7568 4129 7569
      4132 7569 4134 7569 4135 7574 4140 7583
      4143 7583 4151 7577 4152 7580 4164 7572

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

$$

JAB

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 22, 8:27 PM EDTAreal Flood AdvisoryBGMSusquehanna8 hr
Aug 22, 8:33 PM EDTAreal Flood AdvisoryBGMPike, Wayne6 hr
Aug 22, 9:15 PM EDTFlash Flood WarningBGMWayne3 hr
Aug 22, 9:40 PM EDTAreal Flood AdvisoryBGMLuzerne, Susquehanna, Wyoming3 hr
Aug 22, 10:17 PM EDTFlash Flood WarningBGMLuzerne4 hr
Aug 22, 10:46 PM EDTAreal Flood AdvisoryBGMBradford2 hr
Aug 22, 11:18 PM EDTAreal Flood AdvisoryBGMLuzerne, Wyoming5 hr
Aug 23, 12:13 AM EDTAreal Flood WarningBGMLackawanna8 hr
Aug 23, 12:13 AM EDTAreal Flood WarningBGMWayne8 hr
Aug 23, 2:01 AM EDTAreal Flood WarningBGMLuzerne6 hr
Aug 23, 4:34 AM EDTAreal Flood AdvisoryBGMSusquehanna, Wyoming67 min
Aug 23, 6:27 AM EDTRiver Flood WarningBGMLackawanna4 hr

Nearby

Flash Flood Warnings in Pennsylvania, 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.