Alert archive / New York / Flash Flood Warnings in 2025
Flash Flood Warning 6, NWS Buffalo, NY
NWS Buffalo, NY issued this flash flood warning at Jun 9, 2025, 6:41 PM EDT for Allegany County, New York. It was in force for 4 hr. 2 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
- Jun 9, 2025, 6:41 PM EDT (22:41 UTC)
- Expired
- Jun 9, 2025, 10:32 PM EDT
- In force
- 4 hr
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
- Flood severity
- None
County Allegany County, NY
The radar
The Buffalo radar (KBUF), 113 km from the middle of the area, began a volume at 22:42 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 |
|---|---|---|---|
| Jun 9, 8:10 PM EDT | FLASH FLOOD | 2 Ese Richburg, NY | Corrects previous tstm wnd dmg report from 2 ESE Richburg. Phillips Hill Road closed due to flooding. |
| Jun 9, 8:20 PM EDT | FLASH FLOOD | 1 Nnw Wellsville, NY | Flooding reported at O Connor Road. |
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, 10.7 hours before the alert went out and 110 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
- 552 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 74 m²/s²
- 0-3 km storm-relative helicity
- 70 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
420
WGUS51 KBUF 092241
FFWBUF
NYC003-100245-
/O.NEW.KBUF.FF.W.0006.250609T2241Z-250610T0245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Buffalo NY
641 PM EDT Mon Jun 9 2025
The National Weather Service in Buffalo has issued a
* Flash Flood Warning for...
Southern Allegany County in western New York...
* Until 1045 PM EDT.
* At 641 PM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 2 and 2.5 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...
Wellsville, Alfred, Whitesville, Friendship, Scio, Bolivar,
Andover, Belmont, Alma, Almond, Richburg, Knight Creek, Stannards,
Paynesville, Little Genesee, West Clarksville and Ceres.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.
Flooding is occurring or is imminent. It is important to know where
you are relative to streams, rivers, or creeks which can become
killers in heavy rains. Campers and hikers should avoid streams or
creeks.
&&
LAT...LON 4200 7775 4200 7831 4217 7831 4234 7773
FLASH FLOOD...RADAR INDICATED
$$
JJR2 follow-up statements
359
WGUS71 KBUF 100102
FFSBUF
Flash Flood Statement
National Weather Service Buffalo NY
902 PM EDT Mon Jun 9 2025
NYC003-100245-
/O.CON.KBUF.FF.W.0006.000000T0000Z-250610T0245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Allegany NY-
902 PM EDT Mon Jun 9 2025
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1045 PM EDT THIS
EVENING FOR SOUTHERN ALLEGANY COUNTY...
At 902 PM EDT, local law enforcement reported thunderstorms
producing heavy rain across the warned area. Between 2.5 and 3.5
inches of rain have fallen. Additional rainfall amounts of 0.1 to
0.5 inches are possible in the warned area. Flash flooding is
ongoing or expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Law enforcement reported flooding across the southern
portion of the County, including the Bolivar and
Wellsville areas.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
Some locations that will experience flash flooding include...
Wellsville, Alfred, Whitesville, Friendship, Scio, Bolivar,
Andover, Belmont, Alma, Almond, Richburg, Knight Creek, Stannards,
Paynesville, Little Genesee, West Clarksville and Ceres.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.
Flooding is occurring or is imminent. It is important to know where
you are relative to streams, rivers, or creeks which can become
killers in heavy rains. Campers and hikers should avoid streams or
creeks.
&&
LAT...LON 4200 7775 4200 7831 4217 7831 4234 7773
FLASH FLOOD...OBSERVED
$$
DRT156 WGUS71 KBUF 100232 FFSBUF Flash Flood Statement National Weather Service Buffalo NY 1032 PM EDT Mon Jun 9 2025 NYC003-100242- /O.CAN.KBUF.FF.W.0006.000000T0000Z-250610T0245Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Allegany NY- 1032 PM EDT Mon Jun 9 2025 ...FLASH FLOOD WARNING IS CANCELLED FOR SOUTHERN ALLEGANY COUNTY... Flood waters have receded. Flooding is no longer expected to pose a threat. Please continue to heed any remaining road closures. A Flood Watch remains in effect until 200 AM EDT for a portion of western New York. && LAT...LON 4200 7775 4200 7831 4217 7831 4234 7773 $$ DRT
The office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 9, 3:51 AM EDT | Flood Watch | BUF | Allegany, Cattaraugus, Cayuga, Chautauqua, Erie, Livingston and 5 more | 22 min |
| Jun 9, 4:16 AM EDT | Flood Watch | BUF | Allegany, Cattaraugus, Cayuga, Chautauqua, Erie, Livingston and 5 more | 22 hr |
| Jun 9, 3:03 PM EDT | Special Marine Warning | BUF | 87 min | |
| Jun 9, 3:56 PM EDT | Severe Thunderstorm Warning | BUF | Chautauqua | 49 min |
| Jun 9, 4:16 PM EDT | Severe Thunderstorm Warning | BUF | Jefferson, Oswego | 59 min |
| Jun 9, 4:28 PM EDT | Special Marine Warning | BUF | 32 min | |
| Jun 9, 4:43 PM EDT | Severe Thunderstorm Warning | BUF | Cattaraugus, Chautauqua | 62 min |
| Jun 9, 4:55 PM EDT | Severe Thunderstorm Warning | BUF | Jefferson, Lewis, Oswego | 31 min |
| Jun 9, 5:30 PM EDT | Special Marine Warning | BUF | 60 min | |
| Jun 9, 5:36 PM EDT | Tornado Warning | BUF | Cattaraugus | 24 min |
| Jun 9, 5:51 PM EDT | Severe Thunderstorm Warning | BUF | Chautauqua | 54 min |
Nearby
Flash Flood Warnings in New York, 2025Every flash flood warning in 2025
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.