Alert archive / New York / Flash Flood Warnings in 2021

Flash Flood Warning 15, NWS Binghamton, NY

July 2, 2021Broome County, New York

NWS Binghamton, NY issued this flash flood warning at Jul 2, 2021, 8:11 PM EDT for Broome County, New York. It was in force for 3 hr. 4 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, 8:11 PM EDT (00:11 UTC)
Expired
Jul 2, 2021, 11:15 PM EDT
In force
3 hr
Issued by
NWS Binghamton, NY
Area
Storm-based polygon
Flood severity
None

County Broome County, NY

The radar

The Binghamton radar (KBGM), 22 km from the middle of the area, began a volume at 00:11 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, 8:34 PM EDTFLASH FLOOD3 Se Binghamton, NYROBERTS AND PIERCE CREEK ROADS FLOODED AND COVERED WITH DEBRIS.
Jul 2, 8:40 PM EDTFLASH FLOOD4 E Binghamton, NYMULTIPLE CREEKS OVER THEIR BANKS IN THE TOWN OF BINGHAMTON WITH SEVERAL ROADS FLOODED.
Jul 2, 9:13 PM EDTHEAVY RAIN 52 Se Binghamton, NYCORRECTS PREVIOUS HEAVY RAIN REPORT FROM 2 SE BINGHAMTON. RAIN GAUGE OVERTOPPED AT 5 INCHES AND MORE HAD FALLEN AFTER THAT. (CORRECTED TO NOTE RAIN STARTED AROUND 7:30PM).
Jul 2, 9:13 PM EDTHEAVY RAIN 52 Se Binghamton, NYRAIN GAUGE OVERTOPPED AT 5 INCHES AND MORE HAD FALLEN AFTER THAT.

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, 0.2 hours before the alert went out and 181 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 2021-07-03Temperature 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 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 2021-07-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 6 square meters per square second.1939587897117136Sfc1 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
-142 J/kg
Mixed-layer LCL
827 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
6 m²/s²
0-3 km storm-relative helicity
34 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

887 
WGUS51 KBGM 030011
FFWBGM
NYC007-030315-
/O.NEW.KBGM.FF.W.0015.210703T0011Z-210703T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

The National Weather Service in Binghamton has issued a

* Flash Flood Warning for...
  Southwestern Broome County in central New York...

* Until 1115 PM EDT.

* At 811 PM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1.5 and 2 inches of 
  rain has already fallen. 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...
  Binghamton, Johnson City, Kirkwood, Conklin and Port Dickinson.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4213 7596 4214 7567 4200 7565 4200 7569
      4200 7576 4200 7577 4200 7583 4200 7587
      4200 7589 4200 7590 4200 7593 4200 7595
      4200 7598

FLASH FLOOD...RADAR INDICATED

$$

Kistner
3 follow-up statements
236 
WGUS71 KBGM 030036
FFSBGM

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

NYC007-030315-
/O.CON.KBGM.FF.W.0015.000000T0000Z-210703T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Broome NY-
836 PM EDT Fri Jul 2 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1115 PM EDT THIS 
EVENING FOR SOUTHWESTERN BROOME COUNTY...

At 836 PM EDT, Local law enforcement is reporting flooding in the 
Town of Binghamton with several roads flooded at this time. Over 3 
inches of rain has fallen in less than an hour and this is a 
dangerous situation, head to higher ground now. If you are in a safe 
location, stay there and do not travel at this time. Flash flooding 
is ongoing. Do not drive through flooded roads.

HAZARD...Life threatening flash flooding. Thunderstorms producing
         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...
  Binghamton, Johnson City, Kirkwood, Conklin and Port Dickinson.

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 4213 7596 4214 7567 4200 7565 4200 7569
      4200 7576 4200 7577 4200 7583 4200 7587
      4200 7589 4200 7590 4200 7593 4200 7595
      4200 7598

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

$$

Kistner
622 
WGUS71 KBGM 030138
FFSBGM

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

NYC007-030315-
/O.CON.KBGM.FF.W.0015.000000T0000Z-210703T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Broome NY-
938 PM EDT Fri Jul 2 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1115 PM EDT THIS 
EVENING FOR SOUTHWESTERN BROOME COUNTY...

At 938 PM EDT, Local law enforcement is reporting flooding in the 
Town of Binghamton with several roads still closed at this time. 
Between 3.5 and 4.5 inches of rain has fallen. If you are in a safe 
location, stay there and do not travel at this time. Flash flooding 
is ongoing. Do not drive through flooded roads.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Law enforcement 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...
  Binghamton, Johnson City, Kirkwood, Conklin and Port Dickinson.

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.

Be aware of your surroundings and do not drive on flooded roads.

&&

LAT...LON 4213 7596 4214 7567 4200 7565 4200 7569
      4200 7576 4200 7577 4200 7583 4200 7587
      4200 7589 4200 7590 4200 7593 4200 7595
      4200 7598

FLASH FLOOD...OBSERVED

$$

Kistner
158 
WGUS71 KBGM 030318
FFSBGM

Flash Flood Statement
National Weather Service Binghamton NY
1118 PM EDT Fri Jul 2 2021

NYC007-030328-
/O.EXP.KBGM.FF.W.0015.000000T0000Z-210703T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Broome NY-
1118 PM EDT Fri Jul 2 2021

...FLASH FLOOD WARNING HAS EXPIRED FOR SOUTHWESTERN BROOME COUNTY...

New flash flooding is no longer expected tonight. Lingering areas of 
ponded water and runoff may continue for the next few hours. Please 
continue to heed remaining road closures. A general Flood Warning 
has been issued for the Towns of Binghamton and Conklin which were 
hardest hit with heavy rain and flash flooding along Pierce Creek 
and Little Snake Creek.

LAT...LON 4213 7596 4214 7567 4200 7565 4200 7569
      4200 7576 4200 7577 4200 7583 4200 7587
      4200 7589 4200 7590 4200 7593 4200 7595
      4200 7598

$$

JAB

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 2, 8:41 PM EDTSpecial Weather StatementBGMSullivan49 min
Jul 2, 11:16 PM EDTAreal Flood WarningBGMBroome5 hr
Jul 3, 6:12 PM EDTFlash Flood WarningBGMDelaware2 hr

Nearby

Flash 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.