Alert archive / New York / Flash Flood Warnings in 2016
Flash Flood Warning 4, NWS Buffalo, NY
NWS Buffalo, NY issued this flash flood warning at Jul 31, 2016, 2:51 PM EDT for Cattaraugus County, Chautauqua County, New York. It was in force for 4 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 31, 2016, 2:51 PM EDT (18:51 UTC)
- Expired
- Jul 31, 2016, 6:45 PM EDT
- In force
- 4 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), 86 km from the middle of the area, began a volume at 18:53 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, 6.9 hours before the alert went out and 84 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
- 67 J/kg
- Mixed-layer CIN
- -109 J/kg
- Mixed-layer LCL
- 868 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 7 m²/s²
- 0-3 km storm-relative helicity
- 38 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
276 WGUS51 KBUF 311851 FFWBUF NYC009-013-312245- /O.NEW.KBUF.FF.W.0004.160731T1851Z-160731T2245Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE BUFFALO NY 251 PM EDT SUN JUL 31 2016 THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A * FLASH FLOOD WARNING FOR... SOUTHWESTERN CATTARAUGUS COUNTY IN WESTERN NEW YORK... SOUTHEASTERN CHAUTAUQUA COUNTY IN WESTERN NEW YORK... * UNTIL 645 PM EDT * AT 251 PM EDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY. * SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... JAMESTOWN...SALAMANCA...ALLEGANY STATE PARK...FALCONER... FREWSBURG...GREAT VALLEY...CARROLLTON AND RANDOLPH. LAT...LON 4234 7871 4211 7855 4200 7916 4213 7930 $$ APFFEL
1 follow-up statement
302 WGUS71 KBUF 312109 FFSBUF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE BUFFALO NY 509 PM EDT SUN JUL 31 2016 NYC009-013-312117- /O.CAN.KBUF.FF.W.0004.000000T0000Z-160731T2245Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ CATTARAUGUS NY-CHAUTAUQUA NY- 509 PM EDT SUN JUL 31 2016 ...THE FLASH FLOOD WARNING FOR SOUTHWESTERN CATTARAUGUS AND SOUTHEASTERN CHAUTAUQUA COUNTIES IS CANCELLED... THE HEAVY RAIN HAS ENDED. FLOODING IS NO LONGER EXPECTED TO POSE A THREAT. LAT...LON 4234 7871 4211 7855 4200 7916 4213 7930 $$ TMA
The office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 30, 8:14 PM EDT | Special Weather Statement | BUF | Chautauqua | 61 min |
| Jul 31, 2:21 PM EDT | Special Weather Statement | BUF | Chautauqua | 54 min |
| Jul 31, 3:15 PM EDT | Special Weather Statement | BUF | Livingston, Ontario | 60 min |
| Jul 31, 4:06 PM EDT | Special Weather Statement | BUF | Chautauqua | 54 min |
| Jul 31, 4:15 PM EDT | Special Weather Statement | BUF | Ontario | 45 min |
| Jul 31, 4:55 PM EDT | Flash Flood Warning | BUF | Chautauqua | 3 hr |
| Jul 31, 5:52 PM EDT | Special Weather Statement | BUF | Erie | 23 min |
Nearby
Flash Flood Warnings in New York, 2016Every flash flood warning in 2016
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.