Alert archive / New York / Flash Flood Warnings in 2021

Flash Flood Warning 52, NWS Binghamton, NY

August 19, 2021Oneida County, New York

NWS Binghamton, NY issued this flash flood warning at Aug 19, 2021, 6:12 AM EDT for Oneida County, New York. It was in force for 3 hr. 3 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 19, 2021, 6:12 AM EDT (10:12 UTC)
Expired
Aug 19, 2021, 9:15 AM EDT
In force
3 hr
Issued by
NWS Binghamton, NY
Area
Storm-based polygon
Flood severity
None

County Oneida County, NY

The radar

The Ft Drum radar (KTYX), 57 km from the middle of the area, began a volume at 10:14 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 19, 6:25 AM EDTFLASH FLOODWesternville, NYWATER ACROSS RIVER ROAD. EVACUATIONS UNDERWAY.
Aug 19, 8:36 AM EDTHEAVY RAIN 3.3Boonville, NYTOTAL SINCE 6PM.
Aug 19, 8:47 AM EDTHEAVY RAIN 5.8Boonville, NYSTORM TOTAL SINCE TUESDAY.

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, 10.2 hours before the alert went out and 142 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 2021-08-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 286 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 2021-08-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 50 square meters per square second.1939Sfc1 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
286 J/kg
Mixed-layer CIN
-26 J/kg
Mixed-layer LCL
902 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
50 m²/s²
0-3 km storm-relative helicity
134 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.9

Open this sounding in Storm Lab

The text

As transmitted.

449 
WGUS51 KBGM 191012
FFWBGM
NYC065-191315-
/O.NEW.KBGM.FF.W.0052.210819T1012Z-210819T1315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Binghamton NY
612 AM EDT Thu Aug 19 2021

The National Weather Service in Binghamton has issued a

* Flash Flood Warning for...
  Oneida County in central New York...

* Until 915 AM EDT.

* At 612 AM EDT, Doppler radar indicated heavy rain across the 
  warned area. Between 1 and 2 inches of rain has 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 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...
  Rome, Camden, Boonville, Lee, Vienna, Trenton, Floyd, Forestport, 
  Steuben, Sylvan Beach, Remsen, Holland Patent, Delta Lake, Taberg, 
  Stittville, New London, Blossvale, Alder Creek, Barnveld and 
  Trenton Falls.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4332 7586 4348 7581 4342 7553 4361 7511
      4333 7508 4330 7512 4330 7515 4326 7516
      4325 7515 4325 7514 4323 7509 4323 7507
      4317 7512 4318 7565 4317 7588

FLASH FLOOD...RADAR INDICATED

$$

BJG
1 follow-up statement
977 
WGUS71 KBGM 191029
FFSBGM

Flash Flood Statement
National Weather Service Binghamton NY
629 AM EDT Thu Aug 19 2021

NYC065-191315-
/O.CON.KBGM.FF.W.0052.000000T0000Z-210819T1315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Oneida NY-
629 AM EDT Thu Aug 19 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 915 AM EDT THIS 
MORNING FOR ONEIDA COUNTY...

At 629 AM EDT, Doppler radar indicated heavy rain across the warned 
area. Between 1 and 2 inches of rain have fallen. Additional 
rainfall amounts up to 1 inch are possible in the warned area. Flash 
flooding is ongoing or expected to begin shortly.

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

SOURCE...Radar.

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

Some locations that will experience flash flooding include...
  Rome, Camden, Boonville, Lee, Vienna, Trenton, Floyd, Forestport, 
  Steuben, Sylvan Beach, Remsen, Holland Patent, Delta Lake, Taberg, 
  Stittville, New London, Blossvale, Alder Creek, Barnveld and 
  Trenton Falls.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4332 7586 4348 7581 4342 7553 4361 7511
      4333 7508 4330 7512 4330 7515 4326 7516
      4325 7515 4325 7514 4323 7509 4323 7507
      4317 7512 4318 7565 4317 7588

FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

$$

BJG

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 18, 8:10 PM EDTAreal Flood AdvisoryBGMCayuga, Cortland, Madison, Oneida, Onondaga, Seneca and 2 more6 hr
Aug 18, 10:28 PM EDTFlash Flood Warning EmergencyCatastrophic damage threatBGMSteuben5 hr
Aug 18, 10:40 PM EDTFlash Flood WarningBGMCayuga, Seneca, Tompkins, Yates5 hr
Aug 19, 12:35 AM EDTFlash Flood WarningBGMCortland, Onondaga4 hr
Aug 19, 12:41 AM EDTAreal Flood AdvisoryBGMDelaware, Sullivan2 hr
Aug 19, 2:14 AM EDTAreal Flood AdvisoryBGMMadison, Oneida, Onondaga106 min
Aug 19, 2:52 AM EDTRiver Flood WarningBGMTompkins10 days
Aug 19, 3:44 AM EDTAreal Flood WarningBGMSteuben6 hr
Aug 19, 4:02 AM EDTAreal Flood WarningBGMCayuga3 hr
Aug 19, 4:44 AM EDTRiver Flood WarningBGMSteuben3 hr
Aug 19, 4:48 AM EDTRiver Flood WarningBGMChemung11 hr
Aug 19, 5:07 AM EDTAreal Flood WarningBGMOnondaga5 hr
Aug 19, 5:29 AM EDTAreal Flood AdvisoryBGMOneida3 hr
Aug 19, 5:35 AM EDTRiver Flood WarningBGMOnondaga4 hr
Aug 19, 6:59 AM EDTAreal Flood WarningBGMCayuga11 hr
Aug 19, 8:02 AM EDTAreal Flood WarningBGMMadison, Oneida, Onondaga6 hr
Aug 19, 9:22 AM EDTAreal Flood WarningBGMOneida6 hr
Aug 19, 9:53 AM EDTRiver Flood WarningBGMChemung6 hr
Aug 19, 11:12 AM EDTRiver Flood WarningBGMMadison, Oneida10 hr
Aug 19, 3:12 PM EDTAreal Flood WarningBGMOneida9 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.