Alert archive / New York / Flash Flood Warnings in 2021
Flash Flood Warning 69, NWS Binghamton, NY
NWS Binghamton, NY issued this flash flood warning at Oct 4, 2021, 4:50 PM EDT for Cortland County, New York. It was in force for 5 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
- Oct 4, 2021, 4:50 PM EDT (20:50 UTC)
- Expired
- Oct 4, 2021, 10:00 PM EDT
- In force
- 5 hr
- Issued by
- NWS Binghamton, NY
- Area
- Storm-based polygon
- Flood severity
- None
County Cortland County, NY
The radar
The Binghamton radar (KBGM), 42 km from the middle of the area, began a volume at 20:53 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 |
|---|---|---|---|
| Oct 4, 5:05 PM EDT | FLASH FLOOD | 2 Ese Virgil, NY | WATER FLOWING OVER ROAD NEAR GREEK PEAK, SKI RENTAL AREA STARTING TO FLOOD. ROAD TO BE SHUT DOWN. VIA DISPATCH FEED. |
| Oct 4, 5:07 PM EDT | FLASH FLOOD | 1 W Mcgraw, NY | WATER FLOWING OVER ROUTE 41 MAIN STREET. VIA DISPATCH FEED. |
| Oct 4, 5:43 PM EDT | FLASH FLOOD | 1 Ne Cortland, NY | ROAD SHUT DOWN WITH HIGH WATER AT INTERSECTION OF LOCUST AND CLINTON. VIA DISPATCH FEED. |
| Oct 4, 7:13 PM EDT | FLASH FLOOD | Virgil, NY | STATE OF EMERGENCY DUE TO FLOODING IN THE TOWN OF VIRGIL. |
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, 8.8 hours before the alert went out and 194 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
- 547 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 31 m²/s²
- 0-3 km storm-relative helicity
- 63 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
673
WGUS51 KBGM 042050
FFWBGM
NYC023-050000-
/O.NEW.KBGM.FF.W.0069.211004T2050Z-211005T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Binghamton NY
450 PM EDT Mon Oct 4 2021
The National Weather Service in Binghamton has issued a
* Flash Flood Warning for...
Southwestern Cortland County in central New York...
* Until 800 PM EDT.
* At 450 PM 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...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...
Cortland, Homer, Virgil, McGraw, Harford, Munsons Corners and
Cortland West.
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.
&&
LAT...LON 4263 7620 4266 7617 4266 7614 4255 7609
4241 7617 4241 7625 4244 7625 4251 7621
FLASH FLOOD...RADAR INDICATED
$$
MDP4 follow-up statements
803
WGUS71 KBGM 042201
FFSBGM
Flash Flood Statement
National Weather Service Binghamton NY
601 PM EDT Mon Oct 4 2021
NYC023-050000-
/O.CON.KBGM.FF.W.0069.000000T0000Z-211005T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Cortland NY-
601 PM EDT Mon Oct 4 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING
FOR SOUTHWESTERN CORTLAND COUNTY...
At 601 PM EDT, Doppler radar and automated rain gauges indicated
that heavy rain has fallen across the warned area. Between 1.5 and
2.5 inches of rain have fallen. Additional rainfall amounts up less
than a half inch are expected. Flash flooding is ongoing.
HAZARD...Flash flooding caused by heavy rain.
SOURCE...Radar and automated gauges.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas. Several roadways have
already flooded.
Some locations that will experience flash flooding include...
Cortland, Homer, Virgil, McGraw, Harford, Munsons Corners and
Cortland West.
Gridley Creek is especially vulnerable to flash flooding from this
rain.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Move to higher ground now. Act quickly to protect your life.
&&
LAT...LON 4263 7620 4266 7617 4266 7614 4255 7609
4241 7617 4241 7625 4244 7625 4251 7621
FLASH FLOOD...RADAR AND GAUGE INDICATED
$$
MDP196
WGUS51 KBGM 042252
FFWBGM
NYC023-050200-
/O.EXT.KBGM.FF.W.0069.000000T0000Z-211005T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Binghamton NY
652 PM EDT Mon Oct 4 2021
The National Weather Service in Binghamton has extended the
* Flash Flood Warning for...
Southwestern Cortland County in central New York...
* Until 1000 PM EDT.
* At 652 PM EDT, Doppler radar and automated rain gauges indicated
heavy rain falling across the warned area. Between 2 and 3.5
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 and automated gauges.
IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets and underpasses.
* Some locations that will experience flash flooding include...
Cortland, Homer, Virgil, McGraw, Harford, Munsons Corners and
Cortland West.
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.
&&
LAT...LON 4263 7620 4266 7617 4266 7614 4255 7609
4241 7617 4241 7625 4244 7625 4251 7621
FLASH FLOOD...RADAR AND GAUGE INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$
DJN538
WGUS71 KBGM 050032
FFSBGM
Flash Flood Statement
National Weather Service Binghamton NY
832 PM EDT Mon Oct 4 2021
NYC023-050200-
/O.CON.KBGM.FF.W.0069.000000T0000Z-211005T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Cortland NY-
832 PM EDT Mon Oct 4 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 10 PM EDT THIS
EVENING FOR SOUTHWESTERN CORTLAND COUNTY...
At 832 PM EDT, Doppler radar and automated rain gauges indicated
that 2 to 3.5 inches of heavy rain has fallen across the warned
area. Flash flooding is already occurring.
HAZARD...Life threatening flash flooding. Heavy rain producing
flash flooding.
SOURCE...Radar and automated gauges.
IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets and underpasses.
Some locations that will experience flash flooding include...
Cortland, Homer, Virgil, McGraw, Harford, Munsons Corners and
Cortland West.
Though little additional rain is expected tonight, responses to the
earlier heavy rain are ongoing. Some roads remain closed due to high
water or debris.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 4263 7620 4266 7617 4266 7614 4255 7609
4241 7617 4241 7625 4244 7625 4251 7621
FLASH FLOOD...RADAR AND GAUGE INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$
MDP439
WGUS71 KBGM 050156
FFSBGM
Flash Flood Statement
National Weather Service Binghamton NY
956 PM EDT Mon Oct 4 2021
NYC023-050206-
/O.EXP.KBGM.FF.W.0069.000000T0000Z-211005T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Cortland NY-
956 PM EDT Mon Oct 4 2021
...FLASH FLOOD WARNING WILL EXPIRE AT 10 PM EDT THIS EVENING FOR
SOUTHWESTERN CORTLAND COUNTY...
Scattered showers will continue this evening but the heavy rain has
ended. Flash flooding is no longer expected to pose a threat. Please
continue to heed remaining road closures.
LAT...LON 4263 7620 4266 7617 4266 7614 4255 7609
4241 7617 4241 7625 4244 7625 4251 7621
$$
MDPThe office that day
Everything else NWS Binghamton, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 4, 4:32 PM EDT | Areal Flood Advisory | BGM | Cortland | 3 hr |
| Oct 4, 5:23 PM EDT | Areal Flood Advisory | BGM | Broome, Tioga | 2 hr |
| Oct 4, 5:38 PM EDT | Flash Flood Warning | BGM | Cortland | 4 hr |
| Oct 4, 6:26 PM EDT | Areal Flood Advisory | BGM | Steuben | 23 min |
| Oct 4, 6:49 PM EDT | Flash Flood Warning | BGM | Steuben | 2 hr |
| Oct 4, 7:10 PM EDT | Areal Flood Advisory | BGM | Steuben | 110 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.