Alert archive / New York / Flash Flood Warnings in 2021
Flash Flood Warning 23, NWS Binghamton, NY
NWS Binghamton, NY issued this flash flood warning at Jul 12, 2021, 6:37 PM EDT for Broome County, Tioga County, New York; Bradford County, Susquehanna County, Pennsylvania. 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 12, 2021, 6:37 PM EDT (22:37 UTC)
- Expired
- Jul 12, 2021, 9:45 PM EDT
- In force
- 3 hr
- Issued by
- NWS Binghamton, NY
- Area
- Storm-based polygon
- Flood severity
- None
Counties Broome County, NY, Tioga County, NY, Bradford County, PA, Susquehanna County, PA
The radar
The Binghamton radar (KBGM), 18 km from the middle of the area, began a volume at 22:35 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 12, 6:52 PM EDT | HEAVY RAIN 2.39 | 1 Sse Vestal Center, NY | |
| Jul 12, 6:52 PM EDT | HEAVY RAIN 2.59 | 1 Nnw Vestal Center, NY | |
| Jul 12, 6:53 PM EDT | FLASH FLOOD | 2 Wsw Vestal Center, NY | ROADS FLOODED. |
| Jul 12, 8:00 PM EDT | FLASH FLOOD | Brackney, PA | ROADS FLOODED. |
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, 10.6 hours before the alert went out and 196 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
- 566 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 131 m²/s²
- 0-3 km storm-relative helicity
- 177 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
533
WGUS51 KBGM 122237
FFWBGM
NYC007-107-PAC015-115-130145-
/O.NEW.KBGM.FF.W.0023.210712T2237Z-210713T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Binghamton NY
637 PM EDT Mon Jul 12 2021
The National Weather Service in Binghamton has issued a
* Flash Flood Warning for...
Southwestern Broome County in central New York...
Southeastern Tioga County in central New York...
Northeastern Bradford County in northeastern Pennsylvania...
Northwestern Susquehanna County in northeastern Pennsylvania...
* Until 945 PM EDT.
* At 637 PM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1 and 1.5 inches of
rain have fallen. The expected rainfall rate is 1 inch in 1 hour.
Additional rainfall amounts of 1 to 2 inches are possible in the
warned area. Flash flooding is 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, Endicott, Owego, Vestal, Kirkwood,
Conklin, Hallstead, Windham, Great Bend, Nichols, Little Meadows,
Friendsville, Vestal Center, Tioga Terrace, West Corners, Endwell,
Union Center, Apalachin and Brackney.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Stay away or be swept away. River banks and culverts can become
unstable and unsafe.
&&
LAT...LON 4215 7636 4218 7611 4217 7574 4200 7569
4195 7567 4191 7614 4189 7636
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1 INCH IN 1 HOUR
$$
DJN2 follow-up statements
686
WGUS71 KBGM 122326
FFSBGM
Flash Flood Statement
National Weather Service Binghamton NY
726 PM EDT Mon Jul 12 2021
NYC007-107-PAC015-115-130145-
/O.CON.KBGM.FF.W.0023.000000T0000Z-210713T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Broome NY-Tioga NY-Bradford PA-Susquehanna PA-
726 PM EDT Mon Jul 12 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 945 PM EDT THIS
EVENING FOR SOUTHWESTERN BROOME, SOUTHEASTERN TIOGA, NORTHEASTERN
BRADFORD AND NORTHWESTERN SUSQUEHANNA COUNTIES...
At 726 PM EDT, Doppler radar indicated that the heaviest rain has
moved east of the warned area. Between 1 and 3 inches of rain have
already fallen. Flash flooding is ongoing or expected to begin
shortly. Additional rain is expected between 8 and 9 pm which could
cause more flooding. There were reports of flooded roadways and
washouts in the Vestal area.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
Some locations that will experience flash flooding include...
Binghamton, Johnson City, Endicott, Owego, Vestal, Kirkwood,
Conklin, Hallstead, Windham, Great Bend, Nichols, Little Meadows,
Friendsville, Vestal Center, Tioga Terrace, West Corners, Endwell,
Union Center, Apalachin and Brackney.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Stay away or be swept away. River banks and culverts can become
unstable and unsafe.
&&
LAT...LON 4215 7636 4218 7611 4217 7574 4200 7569
4195 7567 4191 7614 4189 7636
FLASH FLOOD...RADAR INDICATED
$$
NICOSIA321
WGUS71 KBGM 130053
FFSBGM
Flash Flood Statement
National Weather Service Binghamton NY
853 PM EDT Mon Jul 12 2021
NYC107-130103-
/O.CAN.KBGM.FF.W.0023.000000T0000Z-210713T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Tioga NY-
853 PM EDT Mon Jul 12 2021
...FLASH FLOOD WARNING IS CANCELLED FOR SOUTHEASTERN TIOGA COUNTY...
A Flash Flood Watch remains in effect until 200 AM EDT for portions
of central New York and northeast Pennsylvania.
LAT...LON 4200 7615 4200 7614 4200 7611 4200 7610
4218 7611 4217 7574 4200 7569 4195 7567
4191 7614 4189 7636 4200 7636 4200 7625
$$
NYC007-PAC015-115-130145-
/O.CON.KBGM.FF.W.0023.000000T0000Z-210713T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Broome NY-Bradford PA-Susquehanna PA-
853 PM EDT Mon Jul 12 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 945 PM EDT THIS
EVENING FOR SOUTHWESTERN BROOME, NORTHEASTERN BRADFORD AND
NORTHWESTERN SUSQUEHANNA COUNTIES...
At 853 PM EDT, Doppler radar indicated that the heaviest rain was
mainly south of the warned area. Runoff from 1 to 3 inches of
additional rainfall this evening combined with wet soils from last
nights heavy rains has caused flash flooding on small streams and
creeks. Expect the flooding to taper down in the next hour.
HAZARD...Flash flooding caused by heavy rain.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
Some locations that will experience flash flooding include...
Binghamton, Johnson City, Endicott, Vestal, Kirkwood, Conklin,
Hallstead, Windham, Great Bend, Little Meadows, Friendsville, Vestal
Center, Brackney, Endwell, West Corners, Union Center, Chenango
Bridge, Warren Center, Sanitaria Springs and Port Dickinson.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Stay away or be swept away. River banks and culverts can become
unstable and unsafe.
&&
LAT...LON 4200 7615 4200 7614 4200 7611 4200 7610
4218 7611 4217 7574 4200 7569 4195 7567
4191 7614 4189 7636 4200 7636 4200 7625
FLASH FLOOD...RADAR INDICATED
$$
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 11, 9:20 PM EDT | Flash Flood Warning | BGM | Chenango, Delaware, Otsego | 2 hr |
| 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, 7:05 PM EDT | Flash Flood Warning | BGM | Chemung, Tioga | 3 hr |
| Jul 12, 7:45 PM EDT | Tornado Warning | BGM | Delaware | 30 min |
| Jul 11, 8:11 PM EDT | Severe Thunderstorm Warning | BGM | Wyoming | 34 min |
| Jul 11, 8:42 PM EDT | Severe Thunderstorm Warning | BGM | Wyoming | 48 min |
| Jul 11, 8:51 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne | 54 min |
| Jul 11, 9:45 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne | 45 min |
| Jul 11, 9:58 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne | 62 min |
| Jul 11, 10:13 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Luzerne | 47 min |
| Jul 12, 5:02 PM EDT | Special Weather Statement | BGM | Pike | 13 min |
| Jul 12, 5:22 PM EDT | Areal Flood Advisory | BGM | Pike | 3 hr |
| Jul 12, 6:05 PM EDT | Special Weather Statement | BGM | Susquehanna | 25 min |
| Jul 12, 6:31 PM EDT | Special Weather Statement | BGM | Susquehanna | 44 min |
| Jul 12, 7:08 PM EDT | Tornado Warning | BGM | Susquehanna, Wayne | 37 min |
| Jul 12, 7:29 PM EDT | Special Weather Statement | BGM | Bradford | 31 min |
| Jul 12, 7:36 PM EDT | Tornado Warning | BGM | Bradford | 24 min |
| Jul 12, 7:59 PM EDT | Tornado Warning | BGM | Bradford | 17 min |
Nearby
Flash Flood Warnings in New York, 2021Flash 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.