Alert archive / New York / Flash Flood Warnings in 2026
Flash Flood Warning 2, NWS Buffalo, NY
NWS Buffalo, NY issued this flash flood warning at Jun 18, 2026, 7:47 AM EDT for Erie County, New York. It was in force for 3 hr. 3 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 18, 2026, 7:47 AM EDT (11:47 UTC)
- Expired
- Jun 18, 2026, 10:21 AM EDT
- In force
- 3 hr
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
- Flood severity
- None
County Erie County, NY
The radar
The Buffalo radar (KBUF), 2 km from the middle of the area, began a volume at 11:51 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 18, 8:05 AM EDT | FLOOD | 1 Ne Buffalo, NY | Route 33 and High Street, right two lanes flooded. |
| Jun 18, 8:05 AM EDT | FLASH FLOOD | 1 Ne Buffalo, NY | Corrects previous flood report from 1 NE Buffalo. Route 33 and High Street, right two lanes flooded. |
| Jun 18, 8:42 AM EDT | FLASH FLOOD | 2 Nne Cheektowaga, NY | Route 33 at Genesee Street in Cheektowaga is closed because of flooding. |
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 00:00Z, 11.8 hours before the alert went out and 4 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
- 23 J/kg
- Mixed-layer CIN
- -58 J/kg
- Mixed-layer LCL
- 1303 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 92 m²/s²
- 0-3 km storm-relative helicity
- 48 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted.
252
WGUS51 KBUF 181147
FFWBUF
NYC029-181445-
/O.NEW.KBUF.FF.W.0002.260618T1147Z-260618T1445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Buffalo NY
747 AM EDT Thu Jun 18 2026
The National Weather Service in Buffalo has issued a
* Flash Flood Warning for...
Northern Erie County in western New York...
* Until 1045 AM EDT.
* At 747 AM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 0.75 and 1.25 inches of
rain have fallen. Additional rainfall amounts of 0.25 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...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...
Buffalo, Cheektowaga, West Seneca, Clarence, Lackawanna, Kenmore,
Depew, Amherst, Tonawanda, Lancaster, Williamsville, Akron, Small
Boat Harbor, Erie Basin Marina, Blasdell and Clarence 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 4299 7876 4304 7864 4306 7855 4300 7849
4292 7850 4288 7859 4285 7872 4281 7880
4280 7887 4292 7891 4293 7891 4294 7891
4295 7892 4296 7890
FLASH FLOOD...RADAR INDICATED
$$
Hitchcock2 follow-up statements
057
WGUS71 KBUF 181227
FFSBUF
Flash Flood Statement
National Weather Service Buffalo NY
827 AM EDT Thu Jun 18 2026
NYC029-181445-
/O.CON.KBUF.FF.W.0002.000000T0000Z-260618T1445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Erie NY-
827 AM EDT Thu Jun 18 2026
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1045 AM EDT THIS
MORNING FOR NORTHERN ERIE COUNTY...
At 827 AM EDT, Doppler radar indicated thunderstorms produced heavy
rain early this morning across the warned area. Between 1.5 and 2
inches of rain have fallen. Flooding impacts will continue, but no
additional rainfall is expected. Flash flooding is ongoing across
the Buffalo Metro area.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
Some locations that will experience flash flooding include...
Buffalo, Cheektowaga, West Seneca, Clarence, Lackawanna, Kenmore,
Depew, Amherst, Tonawanda, Lancaster, Williamsville, Akron,
Blasdell and Clarence Center.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 4299 7876 4304 7864 4306 7855 4300 7849
4292 7850 4288 7859 4285 7872 4281 7880
4280 7887 4292 7891 4293 7891 4294 7891
4295 7892 4296 7890
FLASH FLOOD...RADAR INDICATED
$$
Hitchcock404
WGUS71 KBUF 181421
FFSBUF
Flash Flood Statement
National Weather Service Buffalo NY
1021 AM EDT Thu Jun 18 2026
NYC029-181431-
/O.CAN.KBUF.FF.W.0002.000000T0000Z-260618T1445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Erie NY-
1021 AM EDT Thu Jun 18 2026
...FLASH FLOOD WARNING IS CANCELLED FOR NORTHEASTERN ERIE COUNTY...
Flood waters have mostly receded. Flooding is no longer expected to
pose a threat. Please continue to heed remaining road closures.
&&
LAT...LON 4299 7876 4304 7864 4306 7855 4300 7849
4292 7850 4288 7859 4285 7872 4281 7880
4280 7887 4292 7891 4293 7891 4294 7891
4295 7892 4296 7890
$$
HitchcockThe office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 12:47 AM EDT | High Wind Warning | BUF | Chautauqua, Erie, Genesee, Jefferson, Lewis, Livingston and 5 more | 19 hr |
| Jun 18, 3:57 AM EDT | Beach Hazards Statement | BUF | Cayuga, Chautauqua, Erie, Jefferson, Monroe, Niagara and 3 more | 60 hr |
| Jun 18, 7:32 AM EDT | Special Weather Statement | BUF | Erie | 58 min |
| Jun 18, 8:30 AM EDT | Special Marine Warning | BUF | 60 min | |
| Jun 18, 8:33 AM EDT | Severe Thunderstorm Warning | BUF | Cattaraugus | 57 min |
| Jun 18, 8:43 AM EDT | Tornado Warning | BUF | Cattaraugus | 32 min |
| Jun 18, 9:23 AM EDT | Special Marine Warning | BUF | 82 min | |
| Jun 18, 9:23 AM EDT | Severe Thunderstorm Warning | BUF | Allegany | 82 min |
| Jun 18, 9:45 AM EDT | Severe Thunderstorm Warning | BUF | Cayuga, Oswego, Wayne | 60 min |
| Jun 18, 10:24 AM EDT | Severe Thunderstorm Warning | BUF | Oswego | 47 min |
| Jun 18, 12:08 PM EDT | Special Marine Warning | BUF | 52 min | |
| Jun 18, 2:38 PM EDT | Special Marine Warning | BUF | 66 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.