Alert archive / New York / Flash Flood Warnings in 2026
Flash Flood Warning 12, NWS Buffalo, NY
NWS Buffalo, NY issued this flash flood warning at Aug 2, 2026, 5:47 PM EDT for Niagara County, Orleans County, New York. It was in force for 5 hr. 6 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
- Aug 2, 2026, 5:47 PM EDT (21:47 UTC)
- Expired
- Aug 2, 2026, 10:53 PM EDT
- In force
- 5 hr
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
- Flood severity
- None
Counties Niagara County, NY, Orleans County, NY
The radar
The Buffalo radar (KBUF), 26 km from the middle of the area, began a volume at 21:52 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 |
|---|---|---|---|
| Aug 2, 5:52 PM EDT | FLASH FLOOD | 2 Se Sanborn, NY | Several roads closed down, including Bear Road, Lockport Road and Nash Road. |
| Aug 2, 6:17 PM EDT | FLASH FLOOD | Lockport, NY | Market Street and Spring Street impassible with water over the roads. |
| Aug 2, 6:25 PM EDT | FLASH FLOOD | Cambria Center, NY | Cambria Road impassible with deep water over the road. |
| Aug 2, 6:43 PM EDT | FLASH FLOOD | 3 Ese Sanborn, NY | Several basements flooded on Stone Ridge. |
| Aug 2, 7:15 PM EDT | FLASH FLOOD | 2 Ese Sanborn, NY | Lockport Road at Shawnee Road impassible with water over the road. |
| Aug 2, 9:20 PM EDT | FLASH FLOOD | 3 Ese Sanborn, NY | Jarrett Dr., Mapleton Road and Townline Road reported extremely flooded. Basement flooding in area as well. |
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, 9.8 hours before the alert went out and 27 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
- 329 J/kg
- Mixed-layer CIN
- -58 J/kg
- Mixed-layer LCL
- 910 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 168 m²/s²
- 0-3 km storm-relative helicity
- 159 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted.
107
WGUS51 KBUF 022147
FFWBUF
NYC063-073-030145-
/O.NEW.KBUF.FF.W.0012.260802T2147Z-260803T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Buffalo NY
547 PM EDT Sun Aug 2 2026
The National Weather Service in Buffalo has issued a
* Flash Flood Warning for...
Niagara County in western New York...
Northwestern Orleans County in western New York...
* Until 945 PM EDT.
* At 547 PM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1.5 and 2.5 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...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...
North Tonawanda, Lockport, Newfane, Middleport, Sanborn,
Lyndonville, Barker, Gasport, Appleton, Rapids, Wolcottsville,
Pendleton Center and Cambria Center.
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 4338 7836 4309 7850 4309 7855 4309 7856
4309 7857 4308 7861 4309 7864 4308 7865
4309 7873 4308 7874 4307 7890 4318 7890
4329 7872 4338 7857
FLASH FLOOD...RADAR INDICATED
$$
Brothers3 follow-up statements
493
WGUS71 KBUF 022310
FFSBUF
Flash Flood Statement
National Weather Service Buffalo NY
710 PM EDT Sun Aug 2 2026
NYC063-073-030145-
/O.CON.KBUF.FF.W.0012.000000T0000Z-260803T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Niagara NY-Orleans NY-
710 PM EDT Sun Aug 2 2026
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 945 PM EDT THIS
EVENING FOR NIAGARA AND NORTHWESTERN ORLEANS COUNTIES...
At 710 PM EDT, local law enforcement continues to report flooded
roads and basements near Lockport and Shawnee due to earlier
thunderstorms producing heavy rain across the warned area. Between
1.5 and 3 inches of rain have fallen. While the thunderstorm
prompting the warning has moved out of the area, additional showers
and thunderstorms are expected this evening.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Law enforcement reported.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
Some locations that will experience flash flooding include...
North Tonawanda, Lockport, Newfane, Middleport, Sanborn,
Lyndonville, Barker, Gasport, Appleton, Rapids, Wolcottsville,
Pendleton Center and Cambria Center.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 4338 7836 4309 7850 4309 7855 4309 7856
4309 7857 4308 7861 4309 7864 4308 7865
4309 7873 4308 7874 4307 7890 4318 7890
4329 7872 4338 7857
FLASH FLOOD...OBSERVED
$$
Brothers982
WGUS51 KBUF 030021
FFWBUF
NYC063-073-030300-
/O.EXT.KBUF.FF.W.0012.000000T0000Z-260803T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Buffalo NY
821 PM EDT Sun Aug 2 2026
The National Weather Service in Buffalo has extended the
* Flash Flood Warning for...
Niagara County in western New York...
Northwestern Orleans County in western New York...
* Until 1100 PM EDT.
* At 821 PM EDT, local law enforcement reported flooded roads and
basements near Lockport and Shawnee due to earlier thunderstorms
producing heavy rain across the warned area. Between 1.5 and 3
inches of rain have fallen. Additional rainfall amounts of 1 to 2
inches are possible in the warned area.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Law enforcement reported.
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...
North Tonawanda, Lockport, Newfane, Middleport, Sanborn,
Lyndonville, Barker, Gasport, Appleton, Rapids, Wolcottsville,
Pendleton Center and Cambria Center.
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 4338 7836 4309 7850 4309 7855 4309 7856
4309 7857 4308 7861 4309 7864 4308 7865
4309 7873 4308 7874 4307 7890 4318 7890
4329 7872 4338 7857
FLASH FLOOD...OBSERVED
$$
Brothers748
WGUS71 KBUF 030253
FFSBUF
Flash Flood Statement
National Weather Service Buffalo NY
1053 PM EDT Sun Aug 2 2026
NYC063-073-030303-
/O.CAN.KBUF.FF.W.0012.000000T0000Z-260803T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Niagara NY-Orleans NY-
1053 PM EDT Sun Aug 2 2026
...FLASH FLOOD WARNING FOR NIAGARA AND NORTHWESTERN ORLEANS COUNTIES
HAS BEEN REPLACED WITH A FLOOD WARNING...
&&
LAT...LON 4338 7836 4309 7850 4309 7855 4309 7856
4309 7857 4308 7861 4309 7864 4308 7865
4309 7873 4308 7874 4307 7890 4318 7890
4329 7872 4338 7857
$$
BrothersThe office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 2:26 AM EDT | Flood Watch | BUF | Allegany, Cattaraugus, Cayuga, Chautauqua, Erie, Genesee and 10 more | 24 hr |
| Aug 2, 12:16 PM EDT | Special Marine Warning | BUF | 89 min | |
| Aug 2, 12:32 PM EDT | Severe Thunderstorm Warning | BUF | Erie, Niagara | 58 min |
| Aug 2, 12:40 PM EDT | Tornado Warning | BUF | Niagara | 35 min |
| Aug 2, 6:00 PM EDT | Special Marine Warning | BUF | 2 hr | |
| Aug 2, 7:15 PM EDT | Special Marine Warning | BUF | 90 min | |
| Aug 2, 7:43 PM EDT | Special Marine Warning | BUF | 104 min |
Nearby
Flash Flood Warnings in New York, 2026Every flash flood warning in 2026
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.