Alert archive / New York / Flash Flood Warnings in 2018
Flash Flood Warning 2, NWS Buffalo, NY
NWS Buffalo, NY issued this flash flood warning at Jun 1, 2018, 3:58 PM EDT for Cattaraugus County, Chautauqua County, New York. It was in force for 3 hr. 8 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 1, 2018, 3:58 PM EDT (19:58 UTC)
- Expired
- Jun 1, 2018, 7:00 PM EDT
- In force
- 3 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), 91 km from the middle of the area, began a volume at 19:57 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 1, 4:15 PM EDT | FLASH FLOOD | 1 Ene Kennedy, NY | SPOTTER REPORTED A FOOT OR MORE OF WATER RUNNING OVER ROUTE 394 BETWEEN KENNEDY AND WATERBORO |
| Jun 1, 4:40 PM EDT | FLASH FLOOD | 1 Se Kennedy, NY | SEVERAL ROADS CLOSED DUE TO HIGH WATER. |
| Jun 1, 4:40 PM EDT | FLASH FLOOD | Ellington, NY | SEVERAL ROADS CLOSED DUE TO HIGH WATER. |
| Jun 1, 4:45 PM EDT | FLASH FLOOD | 2 Ese Kennedy, NY | I-86 EASTBOUND CLOSED BETWEEN EXITS 14 AND 15 BECAUSE OF FLOODING |
| Jun 1, 4:45 PM EDT | FLASH FLOOD | 2 Ne Kennedy, NY | LEACH HILL RD CLOSED NEAR ROUTE 394. |
| Jun 1, 4:47 PM EDT | FLASH FLOOD | 4 Nne Frewsburg, NY | ROUTE 62 CLOSED BETWEEN SCOTT HILL ROAD AND HARTSON ROAD BECAUSE OF FLOODING |
| Jun 1, 5:50 PM EDT | FLASH FLOOD | 1 Ssw Kennedy, NY | ROUTE 394 CLOSED BETWEEN DRY BROOK ROAD AND ROUTE 62 |
| Jun 1, 6:30 PM EDT | HEAVY RAIN 3.2 | Kennedy, NY | RAIN FELL BETWEEN 3PM AND 630PM. SPOTTER ALSO REPORTED SEVERAL ROAD CLOSURES IN THE AREA. |
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, 8.0 hours before the alert went out and 90 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
- 372 J/kg
- Mixed-layer CIN
- -64 J/kg
- Mixed-layer LCL
- 917 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 60 m²/s²
- 0-3 km storm-relative helicity
- 88 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted.
727 WGUS51 KBUF 011958 FFWBUF NYC009-013-012300- /O.NEW.KBUF.FF.W.0002.180601T1958Z-180601T2300Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Buffalo NY 358 PM EDT FRI JUN 1 2018 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 700 PM EDT. * At 357 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... Falconer, Ellington, Randolph, East Randolph and Kennedy. This includes Interstate 86 between exits 13 and 16. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && LAT...LON 4221 7889 4206 7896 4209 7919 4223 7920 $$ Church
3 follow-up statements
605 WGUS71 KBUF 012056 FFSBUF Flash Flood Statement National Weather Service Buffalo NY 456 PM EDT FRI JUN 1 2018 NYC009-013-012300- /O.CON.KBUF.FF.W.0002.000000T0000Z-180601T2300Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Cattaraugus NY-Chautauqua NY- 456 PM EDT FRI JUN 1 2018 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 700 PM EDT FOR SOUTHWESTERN CATTARAUGUS AND SOUTHEASTERN CHAUTAUQUA COUNTIES... At 450 PM EDT, local law enforcement and trained spotters reported flash flooding in Kennedy, Waterboro, Ellington, Poland, and Cherry Creek. Radar estimates indicate up to 4 inches of rain have fallen. Some additional locations that will experience flooding include... Falconer, Randolph, and East Randolph. Additional rainfall amounts of up to another inch, brining localized storm total amounts to near 5 inches, are possible in the warned area. This includes Interstate 86 between exits 13 and 16. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Stay away or be swept away. River banks and culverts can become unstable and unsafe. && LAT...LON 4221 7889 4206 7896 4209 7919 4223 7920 $$ Church
337 WGUS71 KBUF 012144 FFSBUF Flash Flood Statement National Weather Service Buffalo NY 544 PM EDT FRI JUN 1 2018 NYC009-013-012300- /O.CON.KBUF.FF.W.0002.000000T0000Z-180601T2300Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Cattaraugus NY-Chautauqua NY- 544 PM EDT FRI JUN 1 2018 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 700 PM EDT FOR SOUTHWESTERN CATTARAUGUS AND SOUTHEASTERN CHAUTAUQUA COUNTIES... At 539 PM EDT, local law enforcement and trained spotters reported flash flooding in Kennedy, Waterboro, Ellington, Poland, and Cherry Creek. In addition at 445 pm, the DOT reported I-86 eastbound is closed between exits 14 and 15 due to flooding. Radar estimates indicate up to 5 inches of rain have fallen. Additional rainfall amounts of up to a half inch are possible in the warned area. Rain is expected to taper off and end through 700 pm in the warned area. Some locations that will experience flooding include... Falconer, Randolph, and East Randolph. This includes Interstate 86 between exits 13 and 16. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Stay away or be swept away. River banks and culverts can become unstable and unsafe. && LAT...LON 4221 7889 4206 7896 4209 7919 4223 7920 $$ Church
290 WGUS71 KBUF 012300 FFSBUF Flash Flood Statement National Weather Service Buffalo NY 700 PM EDT FRI JUN 1 2018 NYC009-013-012303- /O.EXP.KBUF.FF.W.0002.000000T0000Z-180601T2300Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Cattaraugus NY-Chautauqua NY- 700 PM EDT FRI JUN 1 2018 ...THE FLASH FLOOD WARNING FOR SOUTHWESTERN CATTARAUGUS AND SOUTHEASTERN CHAUTAUQUA COUNTIES WILL EXPIRE AT 700 PM EDT... The heavy rain has long since ended and additional flash flooding is no longer expected...therefore the Flash Flood Warning will be allowed to expire. This stated...area water levels remain high and numerous road closures still persist within the area...and will linger for a while longer before subsiding later on this evening. For this reason...an areal flood warning remains in effect until 1230 am Saturday...please refer to that warning and subsequent follow-up statements for further updates. LAT...LON 4221 7889 4206 7896 4209 7919 4223 7920 $$ JJR
The office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 1, 1:10 PM EDT | Special Weather Statement | BUF | Wayne | 50 min |
| Jun 1, 1:24 PM EDT | Severe Thunderstorm Warning | BUF | Cayuga, Ontario, Wayne | 51 min |
| Jun 1, 2:07 PM EDT | Special Weather Statement | BUF | Cattaraugus | 68 min |
| Jun 1, 2:13 PM EDT | Flash Flood Warning | BUF | Cayuga, Wayne | 3 hr |
| Jun 1, 2:16 PM EDT | Severe Thunderstorm Warning | BUF | Cayuga, Wayne | 44 min |
| Jun 1, 3:28 PM EDT | Special Marine Warning | BUF | 76 min | |
| Jun 1, 3:35 PM EDT | Severe Thunderstorm Warning | BUF | Cattaraugus, Chautauqua | 25 min |
| Jun 1, 3:53 PM EDT | Special Weather Statement | BUF | Allegany | 22 min |
| Jun 1, 4:11 PM EDT | Special Weather Statement | BUF | Livingston | 34 min |
| Jun 1, 4:38 PM EDT | Special Weather Statement | BUF | Genesee | 37 min |
| Jun 1, 4:55 PM EDT | Special Weather Statement | BUF | Ontario | 65 min |
| Jun 1, 4:59 PM EDT | Severe Thunderstorm Warning | BUF | Livingston, Monroe, Ontario | 61 min |
| Jun 1, 5:59 PM EDT | Flash Flood Warning | BUF | Lewis | 3 hr |
| Jun 1, 6:39 PM EDT | Areal Flood Warning | BUF | Cattaraugus, Chautauqua | 6 hr |
Nearby
Flash Flood Warnings in New York, 2018Every flash flood warning in 2018
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.