Alert archive / New York / Flash Flood Warnings in 2024
Flash Flood Warning 19, NWS Buffalo, NY
NWS Buffalo, NY issued this flash flood warning at Sep 9, 2024, 5:05 PM EDT for Monroe County, Wayne County, New York. It was in force for 4 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
- Sep 9, 2024, 5:05 PM EDT (21:05 UTC)
- Expired
- Sep 9, 2024, 9:15 PM EDT
- In force
- 4 hr
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
- Flood severity
- None
Counties Monroe County, NY, Wayne County, NY
The radar
The Buffalo radar (KBUF), 98 km from the middle of the area, began a volume at 21:07 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 |
|---|---|---|---|
| Sep 9, 5:25 PM EDT | FLASH FLOOD | Webster, NY | Car stuck in water on Route 104 and North Ave. |
| Sep 9, 5:30 PM EDT | FLASH FLOOD | 3 Nw Webster, NY | Several feet of water on Park Road. |
| Sep 9, 5:55 PM EDT | FLASH FLOOD | 5 Nw Irondequoit, NY | Flooding on Beach Ave. |
| Sep 9, 6:30 PM EDT | FLASH FLOOD | 3 W Ontario, NY | Flooded parking lot along Route 104 west of Ontario. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 9.1 hours before the alert went out and 96 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
- 915 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 151 m²/s²
- 0-3 km storm-relative helicity
- 212 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
823
WGUS51 KBUF 092105
FFWBUF
NYC055-117-100115-
/O.NEW.KBUF.FF.W.0019.240909T2105Z-240910T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Buffalo NY
505 PM EDT Mon Sep 9 2024
The National Weather Service in Buffalo has issued a
* Flash Flood Warning for...
Northeastern Monroe County in western New York...
West Central Wayne County in western New York...
* Until 915 PM EDT.
* At 505 PM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1 and 2 inches of rain
have fallen. 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...
Rochester, Irondequoit, Webster, Ontario, Charlotte, Union Hill,
Braddock Bay and West Walworth.
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 4340 7790 4338 7775 4338 7774 4338 7773
4336 7768 4335 7767 4334 7766 4328 7755
4330 7746 4322 7723 4312 7730 4315 7737
4331 7776 4337 7792
FLASH FLOOD...RADAR INDICATED
$$
Apffel3 follow-up statements
892
WGUS71 KBUF 092141
FFSBUF
Flash Flood Statement
National Weather Service Buffalo NY
541 PM EDT Mon Sep 9 2024
NYC055-117-100115-
/O.CON.KBUF.FF.W.0019.000000T0000Z-240910T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Monroe NY-Wayne NY-
541 PM EDT Mon Sep 9 2024
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 915 PM EDT THIS
EVENING FOR NORTHEASTERN MONROE AND WEST CENTRAL WAYNE COUNTIES...
At 541 PM EDT, Doppler radar indicated thunderstorms producing heavy
rain across the warned area. Between 2 and 3 inches of rain have
fallen. Additional rainfall amounts of 1 to 2 inches are possible in
the warned area. Flash flooding is ongoing, and there are numerous
flooded roads in the Webster area.
HAZARD...Life threatening flash flooding. Thunderstorms producing
flash flooding.
SOURCE...Radar.
IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets and underpasses.
Some locations that will experience flash flooding include...
Rochester, Irondequoit, Webster, Ontario, Charlotte, Union Hill,
Braddock Bay and West Walworth.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 4340 7790 4338 7775 4338 7774 4338 7773
4336 7768 4335 7767 4334 7766 4328 7755
4330 7746 4322 7723 4312 7730 4315 7737
4331 7776 4337 7792
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$
Apffel649
WGUS71 KBUF 092258
FFSBUF
Flash Flood Statement
National Weather Service Buffalo NY
658 PM EDT Mon Sep 9 2024
NYC055-117-100115-
/O.CON.KBUF.FF.W.0019.000000T0000Z-240910T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Monroe NY-Wayne NY-
658 PM EDT Mon Sep 9 2024
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 915 PM EDT THIS
EVENING FOR NORTHEASTERN MONROE AND WEST CENTRAL WAYNE COUNTIES...
At 658 PM EDT, Doppler radar indicated thunderstorms producing heavy
rain in Webster. Between 2 and 4 inches of rain have fallen.
Additional rainfall amounts up to 0.25 inches are possible in the
warned area. Flash flooding is already occurring.
HAZARD...Life threatening flash flooding. Thunderstorms producing
flash flooding.
SOURCE...Radar and law enforcement.
IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets and underpasses.
Some locations that will experience flash flooding include...
Rochester, Irondequoit, Webster, Ontario, Charlotte, Union Hill,
Braddock Bay and West Walworth.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 4340 7790 4338 7775 4338 7774 4338 7773
4336 7768 4335 7767 4334 7766 4328 7755
4330 7746 4322 7723 4312 7730 4315 7737
4331 7776 4337 7792
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$
Apffel108
WGUS71 KBUF 100107
FFSBUF
Flash Flood Statement
National Weather Service Buffalo NY
907 PM EDT Mon Sep 9 2024
NYC055-117-100117-
/O.EXP.KBUF.FF.W.0019.000000T0000Z-240910T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Monroe NY-Wayne NY-
907 PM EDT Mon Sep 9 2024
...FLASH FLOOD WARNING WILL EXPIRE AT 915 PM EDT THIS EVENING FOR
NORTHEASTERN MONROE AND WEST CENTRAL WAYNE COUNTIES...
Flood waters have receded. Flooding is no longer expected to pose a
threat. Please continue to heed remaining road closures.
&&
LAT...LON 4340 7790 4338 7775 4338 7774 4338 7773
4336 7768 4335 7767 4334 7766 4328 7755
4330 7746 4322 7723 4312 7730 4315 7737
4331 7776 4337 7792
$$
ApffelThe office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 9, 2:01 AM EDT | Small Craft Advisory | BUF | 18 hr | |
| Sep 9, 2:27 PM EDT | Special Marine Warning | BUF | 63 min | |
| Sep 9, 3:12 PM EDT | Special Marine Warning | BUF | 33 min | |
| Sep 9, 3:26 PM EDT | Special Weather Statement | BUF | Monroe | 49 min |
| Sep 9, 3:30 PM EDT | Special Marine Warning | BUF | 45 min | |
| Sep 9, 3:46 PM EDT | Special Marine Warning | BUF | 59 min | |
| Sep 9, 3:47 PM EDT | Special Marine Warning | BUF | 58 min | |
| Sep 9, 4:00 PM EDT | Severe Thunderstorm Warning | BUF | Monroe, Wayne | 60 min |
| Sep 9, 4:14 PM EDT | Special Marine Warning | BUF | 31 min | |
| Sep 9, 4:22 PM EDT | Severe Thunderstorm Warning | BUF | Erie, Niagara | 53 min |
| Sep 9, 4:36 PM EDT | Special Weather Statement | BUF | Oswego | 39 min |
| Sep 9, 5:02 PM EDT | Severe Thunderstorm Warning | BUF | Jefferson, Lewis, Oswego | 58 min |
| Sep 9, 5:09 PM EDT | Tornado Warning | BUF | Jefferson, Lewis, Oswego | 51 min |
Nearby
Flash Flood Warnings in New York, 2024Every flash flood warning in 2024
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.