Alert archive / Pennsylvania / Flash Flood Warnings in 2021

Flash Flood Warning 30, NWS Binghamton, NY

July 16, 2021Bradford County, Pennsylvania

NWS Binghamton, NY issued this flash flood warning at Jul 16, 2021, 2:51 PM EDT for Bradford County, Pennsylvania. It was in force for 4 hr. 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: Jul 16, 2021, 2:51 PM EDT (18:51 UTC)
Expired: Jul 16, 2021, 6:45 PM EDT
In force: 4 hr
Issued by: NWS Binghamton, NY
Area: Storm-based polygon
Flood severity: None

County Bradford County, PA

The radar

The Binghamton radar (KBGM), 69 km from the middle of the area, began a volume at 18:55 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
Jul 16, 2:55 PM EDT	FLOOD	1 Wnw Evergreen, PA	WATER ACROSS THE ROAD NEAR STEVENSON HILL RD.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 6.9 hours before the alert went out and 238 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: 1011 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 45 m²/s²
0-3 km storm-relative helicity: 117 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

289 
WGUS51 KBGM 161851
FFWBGM
PAC015-162145-
/O.NEW.KBGM.FF.W.0030.210716T1851Z-210716T2145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Binghamton NY
251 PM EDT Fri Jul 16 2021

The National Weather Service in Binghamton has issued a

* Flash Flood Warning for...
  Southern Bradford County in northeastern Pennsylvania...

* Until 545 PM EDT.

* At 251 PM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1 and 1.5 inches of 
  rain has already fallen. Additional rainfall amounts up to 1 inch 
  are possible in the warned area. 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...
  Towanda, Canton, Troy, Wyalusing, Wysox, North Towanda, New 
  Albany, Burlington, Franklindale, Monroeton, South Branch, Le Roy, 
  Sugar Run, Camptown, Grover, West Franklin, Wilmot, Hollenback, 
  West Burlington and Monroe.

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 4177 7689 4179 7660 4177 7617 4171 7617
      4165 7619 4165 7620 4164 7620 4163 7620
      4162 7620 4161 7620 4154 7623 4154 7624
      4155 7636 4156 7641 4160 7687

FLASH FLOOD...RADAR INDICATED

$$

Kistner

4 follow-up statements

886 
WGUS71 KBGM 162025
FFSBGM

Flash Flood Statement
National Weather Service Binghamton NY
425 PM EDT Fri Jul 16 2021

PAC015-162145-
/O.CON.KBGM.FF.W.0030.000000T0000Z-210716T2145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Bradford PA-
425 PM EDT Fri Jul 16 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 545 PM EDT THIS 
AFTERNOON FOR SOUTHERN BRADFORD COUNTY...

At 425 PM EDT, Heavy rain has moved out of the area, but another 
round of showers and thunderstorms will be possible with in the next 
hour. Between 1.5 and 2 inches of rain has already fallen from 
earlier thunderstorms. 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...
  Towanda, Canton, Troy, Wyalusing, Wysox, North Towanda, New 
  Albany, Burlington, Franklindale, Monroeton, South Branch, Le Roy, 
  Sugar Run, Camptown, Grover, West Franklin, Wilmot, Hollenback, 
  West Burlington and Monroe.

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 4177 7689 4179 7660 4177 7617 4171 7617
      4165 7619 4165 7620 4164 7620 4163 7620
      4162 7620 4161 7620 4154 7623 4154 7624
      4155 7636 4156 7641 4160 7687

FLASH FLOOD...RADAR INDICATED

$$

Kistner

829 
WGUS51 KBGM 162134
FFWBGM
PAC015-162245-
/O.EXT.KBGM.FF.W.0030.000000T0000Z-210716T2245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Binghamton NY
534 PM EDT Fri Jul 16 2021

The National Weather Service in Binghamton has extended the

* Flash Flood Warning for...
  Southern Bradford County in northeastern Pennsylvania...

* Until 645 PM EDT.

* At 534 PM EDT, Doppler radar indicated another area of 
  thunderstorms producing heavy rain moving into the warned area. 
  Between 1.5 and 2 inches of rain fell from previous thunderstorms. 
  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...
  Towanda, Canton, Troy, Wyalusing, Wysox, North Towanda, New 
  Albany, Burlington, Franklindale, Monroeton, South Branch, Le Roy, 
  Sugar Run, Camptown, Grover, West Franklin, Wilmot, Hollenback, 
  West Burlington and Monroe.

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 4177 7689 4179 7660 4177 7617 4171 7617
      4165 7619 4165 7620 4164 7620 4163 7620
      4162 7620 4161 7620 4154 7623 4154 7624
      4155 7636 4156 7641 4160 7687

FLASH FLOOD...RADAR INDICATED

$$

Kistner

238 
WGUS71 KBGM 162151
FFSBGM

Flash Flood Statement
National Weather Service Binghamton NY
551 PM EDT Fri Jul 16 2021

PAC015-162245-
/O.CON.KBGM.FF.W.0030.000000T0000Z-210716T2245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Bradford PA-
551 PM EDT Fri Jul 16 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 645 PM EDT THIS 
EVENING FOR SOUTHERN BRADFORD COUNTY...

At 551 PM EDT, Doppler radar indicated thunderstorms producing heavy 
rain across the warned area. 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...
  Canton, New Albany, South Branch, Le Roy, Sugar Run, Grover, 
  Wilmot, Hollenback, Evergreen, West Le Roy and Browntown.

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 4167 7687 4169 7648 4165 7620 4164 7620
      4163 7620 4162 7620 4159 7621 4154 7623
      4154 7624 4155 7636 4156 7639 4156 7641
      4160 7687

FLASH FLOOD...RADAR INDICATED

$$

Kistner

628 
WGUS71 KBGM 162241
FFSBGM

Flash Flood Statement
National Weather Service Binghamton NY
641 PM EDT Fri Jul 16 2021

PAC015-162251-
/O.EXP.KBGM.FF.W.0030.000000T0000Z-210716T2245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Bradford PA-
641 PM EDT Fri Jul 16 2021

...FLASH FLOOD WARNING WILL EXPIRE AT 645 PM EDT THIS EVENING FOR 
SOUTHERN BRADFORD COUNTY...

The heavy rain has ended. Flooding is no longer expected to pose an 
immediate threat.

A Flash Flood Watch remains in effect until 200 AM EDT Sunday for 
portions of central New York and northeast Pennsylvania.

LAT...LON 4167 7687 4169 7648 4165 7620 4164 7620
      4163 7620 4162 7620 4159 7621 4154 7623
      4154 7624 4155 7636 4156 7639 4156 7641
      4160 7687

$$

Kistner

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 16, 1:19 PM EDT	Special Weather Statement	BGM	Susquehanna	41 min
Jul 16, 1:21 PM EDT	Special Weather Statement	BGM	Lackawanna	39 min
Jul 16, 1:56 PM EDT	Areal Flood Advisory	BGM	Lackawanna, Luzerne	2 hr
Jul 16, 2:04 PM EDT	Areal Flood Advisory	BGM	Bradford	47 min
Jul 16, 2:24 PM EDT	Flash Flood Watch	BGM	Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more	32 hr
Jul 16, 3:00 PM EDT	Special Weather Statement	BGM	Lackawanna	45 min
Jul 16, 3:20 PM EDT	Flash Flood Warning	BGM	Lackawanna, Luzerne, Wyoming	98 min
Jul 16, 6:31 PM EDT	Severe Thunderstorm Warning	BGM	Luzerne, Wyoming	44 min
Jul 16, 7:06 PM EDT	Special Weather Statement	BGM	Luzerne	24 min
Jul 16, 7:28 PM EDT	Special Weather Statement	BGM	Lackawanna	47 min

Nearby

Flash Flood Warnings in Pennsylvania, 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.