Alert archive / Pennsylvania / Flash Flood Warnings in 2021

Flash Flood Warning 14, NWS Binghamton, NY

July 2, 2021Bradford County, Susquehanna County, Pennsylvania

NWS Binghamton, NY issued this flash flood warning at Jul 2, 2021, 7:06 PM EDT for Bradford County, Susquehanna County, Pennsylvania. It was in force for 3 hr. 2 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
Jul 2, 2021, 7:06 PM EDT (23:06 UTC)
Expired
Jul 2, 2021, 10:00 PM EDT
In force
3 hr
Issued by
NWS Binghamton, NY
Area
Storm-based polygon
Flood severity
None

Counties Bradford County, PA, Susquehanna County, PA

The radar

The Binghamton radar (KBGM), 34 km from the middle of the area, began a volume at 23:08 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 2, 7:22 PM EDTFLASH FLOOD3 Sw Windham, PABRIDGE POSSIBLY WASHED OUT ON MERRY GO ROUND ROAD.
Jul 2, 7:53 PM EDTFLASH FLOOD2 Ese Orwell, PAWATER OVER BRIDGE ACROSS ROUTE 457. BRIDGE MAY BE WASHED OUT.

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, 11.1 hours before the alert went out and 214 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 2021-07-02Temperature 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 2021-07-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 9 square meters per square second.1939587897117Sfc1 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
721 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
9 m²/s²
0-3 km storm-relative helicity
39 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

616 
WGUS51 KBGM 022306
FFWBGM
PAC015-115-030100-
/O.NEW.KBGM.FF.W.0014.210702T2306Z-210703T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Binghamton NY
706 PM EDT Fri Jul 2 2021

The National Weather Service in Binghamton has issued a

* Flash Flood Warning for...
  Northeastern Bradford County in northeastern Pennsylvania...
  Northwestern Susquehanna County in northeastern Pennsylvania...

* Until 900 PM EDT.

* At 706 PM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1 and 2 inches of rain 
  have fallen. The expected rainfall rate is 1 to 3 inches in 1 
  hour. 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...
  Litchfield, Windham, Le Raysville, Little Meadows, Friendsville, 
  Warren Center, Orwell, West Warren, Middletown Center and 
  Birchardville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4194 7648 4200 7648 4200 7645 4200 7638
      4200 7625 4200 7615 4200 7614 4200 7611
      4200 7595 4200 7594 4186 7593 4179 7609
      4190 7633 4192 7633

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

$$

JAB
2 follow-up statements
276 
WGUS51 KBGM 022347
FFWBGM
PAC015-115-030200-
/O.EXT.KBGM.FF.W.0014.000000T0000Z-210703T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Binghamton NY
747 PM EDT Fri Jul 2 2021

The National Weather Service in Binghamton has extended the

* Flash Flood Warning for...
  Northeastern Bradford County in northeastern Pennsylvania...
  Northwestern Susquehanna County in northeastern Pennsylvania...

* Until 1000 PM EDT.

* At 747 PM EDT, local law enforcement reported several areas of 
  flash flooding across the warned area. Between 3 and 4 inches of 
  rain have fallen. Flash flooding is already occurring.

  HAZARD...Life threatening 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...
  Litchfield, Windham, Le Raysville, Little Meadows, Friendsville, 
  Warren Center, Orwell, West Warren, Middletown Center and 
  Birchardville.

Reports of a bridge wash out have been received along Merry Go Round 
Road in Windham Township.

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 4194 7648 4200 7648 4200 7645 4200 7638
      4200 7625 4200 7615 4200 7614 4200 7611
      4200 7595 4200 7594 4186 7593 4179 7609
      4190 7633 4192 7633

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

$$

JAB
074 
WGUS71 KBGM 030141
FFSBGM

Flash Flood Statement
National Weather Service Binghamton NY
941 PM EDT Fri Jul 2 2021

PAC115-030151-
/O.CAN.KBGM.FF.W.0014.000000T0000Z-210703T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Susquehanna PA-
941 PM EDT Fri Jul 2 2021

...FLASH FLOOD WARNING IS CANCELLED FOR NORTHWESTERN SUSQUEHANNA 
COUNTY...

Heavy rain has ended and lingering flooding is no longer expected to 
pose a threat. Please continue to heed any remaining road closures.

LAT...LON 4194 7648 4200 7648 4200 7645 4200 7638
      4200 7625 4200 7615 4189 7614 4182 7615
      4190 7633 4192 7633

$$

PAC015-030200-
/O.CON.KBGM.FF.W.0014.000000T0000Z-210703T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Bradford PA-
941 PM EDT Fri Jul 2 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 10 PM EDT THIS 
EVENING FOR NORTHEASTERN BRADFORD COUNTY...

At 941 PM EDT, an estimate of 3 and 5 inches of rain have fallen 
over northern Bradford. Flash flooding is already occurring in 
several areas with roads and bridges inundated around the area.

HAZARD...Life threatening 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...
  Litchfield, Windham, Le Raysville, Warren Center, Orwell and West 
  Warren.

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 4194 7648 4200 7648 4200 7645 4200 7638
      4200 7625 4200 7615 4189 7614 4182 7615
      4190 7633 4192 7633

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
Jul 2, 3:58 PM EDTSpecial Weather StatementBGMLuzerne32 min
Jul 2, 5:25 PM EDTSpecial Weather StatementBGMBradford35 min
Jul 2, 5:32 PM EDTSpecial Weather StatementBGMBradford43 min
Jul 2, 5:37 PM EDTSevere Thunderstorm WarningBGMBradford23 min
Jul 2, 5:52 PM EDTSpecial Weather StatementBGMWayne23 min
Jul 2, 6:08 PM EDTAreal Flood AdvisoryBGMBradford112 min
Jul 2, 6:08 PM EDTSpecial Weather StatementBGMBradford37 min
Jul 2, 6:21 PM EDTSevere Thunderstorm WarningBGMBradford, Susquehanna24 min
Jul 2, 6:30 PM EDTFlash Flood WarningBGMBradford3 hr
Jul 2, 6:40 PM EDTSpecial Weather StatementBGMSusquehanna35 min
Jul 2, 6:46 PM EDTSevere Thunderstorm WarningBGMSusquehanna44 min
Jul 2, 6:57 PM EDTAreal Flood AdvisoryBGMBradford, Susquehanna9 min
Jul 2, 7:22 PM EDTAreal Flood AdvisoryBGMSusquehanna113 min

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.