Alert archive / New York / Flash Flood Warnings in 2021
Flash Flood Warning 19, NWS Binghamton, NY
NWS Binghamton, NY issued this flash flood warning at Jul 11, 2021, 9:20 PM EDT for Chenango County, Delaware County, Otsego County, New York. It was in force for 2 hr. 5 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 11, 2021, 9:20 PM EDT (01:20 UTC)
- Expired
- Jul 11, 2021, 11:30 PM EDT
- In force
- 2 hr
- Issued by
- NWS Binghamton, NY
- Area
- Storm-based polygon
- Flood severity
- None
Counties Chenango County, NY, Delaware County, NY, Otsego County, NY
The radar
The Binghamton radar (KBGM), 69 km from the middle of the area, began a volume at 01:21 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 11, 11:25 PM EDT | FLOOD | 2 Ese East Sidney, NY | BASEMENT FLOODING. |
| Jul 11, 11:25 PM EDT | FLOOD | 2 Wnw Masonville, NY | WATER OVER THE ROAD. |
| Jul 11, 11:25 PM EDT | FLOOD | Oneonta, NY | MULTIPLE FLOODED BASEMENTS. |
| Jul 11, 11:25 PM EDT | FLOOD | Unadilla, NY | MULTIPLE FLOODED ROADS WITH A COUPLE INCHES OF WATER OVER THE ROAD. |
| Jul 11, 11:27 PM EDT | FLOOD | 1 Ne Sidney, NY | BASEMENT FLOODING. |
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, 1.3 hours before the alert went out and 116 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 845 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- -108 m²/s²
- 0-3 km storm-relative helicity
- 123 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
121
WGUS51 KBGM 120120
FFWBGM
NYC017-025-077-120330-
/O.NEW.KBGM.FF.W.0019.210712T0120Z-210712T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Binghamton NY
920 PM EDT Sun Jul 11 2021
The National Weather Service in Binghamton has issued a
* Flash Flood Warning for...
Southeastern Chenango County in central New York...
Northwestern Delaware County in central New York...
Southern Otsego County in central New York...
* Until 1130 PM EDT.
* At 920 PM EDT, Doppler radar indicated showers and isolated
thunderstorms producing heavy rain across the warned area. Between
1 and 3 inches of rain have fallen. The expected rainfall rate is
0.5 to 1 inch in 1 hour. Additional rainfall amounts of 1 to 2
inches 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...
Oneonta, Sidney, Davenport, Maryland, Meredith, Bainbridge,
Unadilla, Otego, Milford, Franklin, Laurens, West End, Emmons,
Colliersville, Meridale, Cooperstown Junction, East Sidney, East
Meredith, Sidney Center and Schenevus.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to higher ground now. Act quickly to protect your life.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 4229 7554 4265 7488 4247 7467 4219 7527
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...0.5-1 INCH IN 1 HOUR
$$
NICOSIA1 follow-up statement
199
WGUS71 KBGM 120216
FFSBGM
Flash Flood Statement
National Weather Service Binghamton NY
1016 PM EDT Sun Jul 11 2021
NYC017-025-077-120330-
/O.CON.KBGM.FF.W.0019.000000T0000Z-210712T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Chenango NY-Delaware NY-Otsego NY-
1016 PM EDT Sun Jul 11 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1130 PM EDT THIS
EVENING FOR SOUTHEASTERN CHENANGO, NORTHWESTERN DELAWARE AND
SOUTHERN OTSEGO COUNTIES...
At 1016 PM EDT, Doppler radar indicated heavy rain was tapering off
across the warned area. Between 1 and 3 inches of rain have fallen.
Additional rainfall amounts up to 1 inch are possible in the warned
area. Flash flooding is ongoing or expected to begin shortly.
HAZARD...Flash flooding caused by heavy rain and runoff.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
Some locations that will experience flash flooding include...
Oneonta, Sidney, Davenport, Maryland, Meredith, Bainbridge,
Unadilla, Otego, Milford, Franklin, Laurens, West End, Emmons,
Colliersville, Meridale, Cooperstown Junction, East Sidney, East
Meredith, Sidney Center and Schenevus.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to higher ground now. Act quickly to protect your life.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 4229 7554 4265 7488 4247 7467 4219 7527
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...0.5 INCHES IN 1 HOUR
$$
NICOSIAThe office that day
Everything else NWS Binghamton, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 11, 8:29 PM EDT | Areal Flood Advisory | BGM | Chenango, Delaware, Otsego | 51 min |
| Jul 12, 12:33 AM EDT | Areal Flood Advisory | BGM | Cayuga, Schuyler, Seneca, Tompkins | 3 hr |
| Jul 12, 1:11 AM EDT | Flash Flood Warning | BGM | Cayuga, Seneca, Tompkins | 3 hr |
| Jul 12, 1:41 AM EDT | Areal Flood Advisory | BGM | Cayuga, Cortland, Onondaga | 3 hr |
| Jul 12, 4:44 AM EDT | Areal Flood Advisory | BGM | Oneida | 3 hr |
| Jul 12, 5:16 AM EDT | Areal Flood Warning | BGM | Oneida | 3 hr |
| Jul 12, 5:22 AM EDT | Areal Flood Warning | BGM | Madison, Onondaga | 118 min |
| Jul 12, 5:31 AM EDT | Areal Flood Advisory | BGM | Sullivan | 3 hr |
| Jul 12, 6:06 AM EDT | Flash Flood Warning | BGM | Sullivan | 3 hr |
| Jul 12, 9:22 AM EDT | River Flood Warning | BGM | Delaware | 4 hr |
| Jul 12, 10:58 AM EDT | Flash Flood Watch | BGM | Broome, Chemung, Chenango, Delaware, Steuben, Sullivan and 1 more | 15 hr |
| Jul 12, 4:08 PM EDT | Areal Flood Advisory | BGM | Steuben | 30 min |
| Jul 12, 4:38 PM EDT | Flash Flood Warning | BGM | Steuben | 77 min |
| Jul 12, 4:50 PM EDT | Areal Flood Advisory | BGM | Steuben | 65 min |
| Jul 12, 5:12 PM EDT | Areal Flood Advisory | BGM | Broome, Chemung, Chenango, Tioga | 108 min |
| Jul 12, 5:19 PM EDT | Special Weather Statement | BGM | Broome | 41 min |
| Jul 12, 6:37 PM EDT | Flash Flood Warning | BGM | Broome, Tioga | 3 hr |
| Jul 12, 7:05 PM EDT | Flash Flood Warning | BGM | Chemung, Tioga | 3 hr |
| Jul 12, 7:45 PM EDT | Tornado Warning | BGM | Delaware | 30 min |
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.