Alert archive / New York / Flash Flood Warnings in 2019
Flash Flood Warning 11, NWS Buffalo, NY
NWS Buffalo, NY issued this flash flood warning at Jul 5, 2019, 3:00 PM EDT for Cattaraugus County, Chautauqua County, New York. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 5, 2019, 3:00 PM EDT (19:00 UTC)
- Expired
- Jul 5, 2019, 5:21 PM EDT
- In force
- 2 hr
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
- Flood severity
- None
Counties Cattaraugus County, NY, Chautauqua County, NY
The radar
The Buffalo radar (KBUF), 99 km from the middle of the area, began a volume at 19:05 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.
The nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 7.0 hours before the alert went out and 99 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
- 232 J/kg
- Mixed-layer CIN
- -89 J/kg
- Mixed-layer LCL
- 899 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 52 m²/s²
- 0-3 km storm-relative helicity
- 45 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted.
662
WGUS51 KBUF 051900
FFWBUF
NYC009-013-052300-
/O.NEW.KBUF.FF.W.0011.190705T1900Z-190705T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Buffalo NY
300 PM EDT Fri Jul 5 2019
The National Weather Service in Buffalo has issued a
* Flash Flood Warning for...
Southwestern Cattaraugus County in western New York...
Chautauqua County in western New York...
* Until 700 PM EDT.
* At 300 PM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Up to two inches of rain have
already fallen. Flash flooding is expected to begin shortly.
* Some locations that will experience flooding include...
Jamestown, Allegany State Park, Lakewood, Falconer, Mayville,
Clymer, Long Point State Park, Jamestown West, Findley Lake and
Chautauqua Institute.
This includes Interstate 86 between exits 4 and 18.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 4220 7976 4243 7925 4227 7882 4200 7882
4200 7976
$$
Apffel2 follow-up statements
478
WGUS71 KBUF 052056
FFSBUF
Flash Flood Statement
National Weather Service Buffalo NY
456 PM EDT Fri Jul 5 2019
NYC009-052102-
/O.CAN.KBUF.FF.W.0011.000000T0000Z-190705T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Cattaraugus NY-
456 PM EDT Fri Jul 5 2019
...THE FLASH FLOOD WARNING FOR SOUTHWESTERN CATTARAUGUS COUNTY IS
CANCELLED...
Flooding is no longer expected to pose a threat. Please continue to
heed any remaining road closures.
LAT...LON 4231 7953 4218 7942 4200 7950 4200 7976
4220 7976
$$
NYC013-052300-
/O.CON.KBUF.FF.W.0011.000000T0000Z-190705T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Chautauqua NY-
456 PM EDT Fri Jul 5 2019
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 700 PM EDT FOR
SOUTHWESTERN CHAUTAUQUA COUNTY...
At 452 PM EDT, radar indicated that heavy rain has ended for
portions of the area, but that there is heavy rain along the far
southwestern corner of Chautauqua County. Up to two inches of rain
have already fallen. Any additional rainfall will cause additional
flash flooding near the Pennsylvania state line.
Some locations that will experience flooding include...
Sherman and Panama.
This includes Interstate 86 between exits 4 and 7.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 4231 7953 4218 7942 4200 7950 4200 7976
4220 7976
$$
Apffel302
WGUS71 KBUF 052121
FFSBUF
Flash Flood Statement
National Weather Service Buffalo NY
521 PM EDT Fri Jul 5 2019
NYC013-052131-
/O.CAN.KBUF.FF.W.0011.000000T0000Z-190705T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Chautauqua NY-
521 PM EDT Fri Jul 5 2019
...THE FLASH FLOOD WARNING FOR SOUTHWESTERN CHAUTAUQUA COUNTY IS
CANCELLED...
The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed any remaining road closures.
LAT...LON 4231 7953 4218 7942 4200 7950 4200 7976
4220 7976
$$
ApffelThe office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 5, 4:21 AM EDT | Heat Advisory | BUF | Cayuga, Genesee, Livingston, Monroe, Niagara, Orleans and 1 more | 14 hr |
| Jul 5, 11:05 AM EDT | Lakeshore Flood Watch | BUF | Monroe, Niagara, Orleans, Wayne | 22 hr |
| Jul 5, 12:36 PM EDT | Special Weather Statement | BUF | Chautauqua | 54 min |
| Jul 5, 1:23 PM EDT | Special Weather Statement | BUF | Monroe | 52 min |
| Jul 5, 1:41 PM EDT | Special Weather Statement | BUF | Chautauqua | 64 min |
| Jul 5, 2:17 PM EDT | Special Weather Statement | BUF | Monroe, Wayne | 58 min |
| Jul 5, 2:44 PM EDT | Special Weather Statement | BUF | Cattaraugus, Chautauqua | 61 min |
| Jul 5, 2:56 PM EDT | Flash Flood Warning | BUF | Livingston, Monroe, Ontario, Wayne | 101 min |
| Jul 5, 4:10 PM EDT | Special Weather Statement | BUF | Ontario | 35 min |
| Jul 5, 5:00 PM EDT | Special Weather Statement | BUF | Orleans | 45 min |
| Jul 5, 5:09 PM EDT | Special Weather Statement | BUF | Lewis | 36 min |
Nearby
Flash Flood Warnings in New York, 2019Every flash flood warning in 2019
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.