Alert archive / New York / Flash Flood Warnings in 2017
Flash Flood Warning 5, NWS Buffalo, NY
NWS Buffalo, NY issued this flash flood warning at Jul 13, 2017, 10:41 AM EDT for 4 counties in New York. It was in force for 4 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
- Jul 13, 2017, 10:41 AM EDT (14:41 UTC)
- Expired
- Jul 13, 2017, 2:45 PM EDT
- In force
- 4 hr
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
- Flood severity
- None
Counties Livingston County, NY, Monroe County, NY, Ontario County, NY, Wayne County, NY
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 13, 1:00 PM EDT | FLASH FLOOD | 3 Ese Canandaigua, NY | FLOODED SECTIONS OF RT 5/20 |
| Jul 13, 1:00 PM EDT | FLASH FLOOD | 3 Ese Canandaigua, NY | WATER BUCKLED PAVEMENT ON SMITH RD |
| Jul 13, 1:00 PM EDT | FLASH FLOOD | Bloomfield, NY | ROADS CLOSED IN BLOOMFIELD |
| Jul 13, 1:00 PM EDT | FLASH FLOOD | Geneva, NY | NUMEROUS ROADS FLOOODED |
| Jul 13, 1:00 PM EDT | FLASH FLOOD | Geneva, NY | RT 6 IN GENEVA... PARTIAL FLOODING |
| Jul 13, 1:00 PM EDT | FLASH FLOOD | Victor, NY | ROAD CLOSED IN VICTOR |
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, 2.7 hours before the alert went out and 119 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
- 290 J/kg
- Mixed-layer CIN
- -42 J/kg
- Mixed-layer LCL
- 636 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 119 m²/s²
- 0-3 km storm-relative helicity
- 135 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 2.2
The text
As transmitted.
574
WGUS51 KBUF 131441
FFWBUF
NYC051-055-069-117-131845-
/O.NEW.KBUF.FF.W.0005.170713T1441Z-170713T1845Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Buffalo NY
1041 AM EDT THU JUL 13 2017
The National Weather Service in Buffalo has issued a
* Flash Flood Warning for...
Wayne County in western New York...
Eastern Livingston County in western New York...
Southeastern Monroe County in western New York...
Ontario County in western New York...
* Until 245 PM EDT.
* At 1040 AM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Flash flooding is expected to
begin shortly. Most areas will receive one to two inches of
rain...with some sites picking up as much as 3 inches.
* Some locations that will experience flooding include...
Irondequoit, Geneva, Canandaigua, East Rochester, Webster,
Fairport, Clifton Springs, Fairville, Newark and Brighton.
This includes Interstate 90 between exits 45 and 42.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.
&&
LAT...LON 4258 7765 4325 7754 4324 7679 4302 7680
4301 7696 4276 7697 4276 7731 4267 7737
4258 7737
$$
RSH1 follow-up statement
957
WGUS71 KBUF 131559
FFSBUF
Flash Flood Statement
National Weather Service Buffalo NY
1159 AM EDT THU JUL 13 2017
NYC051-055-069-117-131845-
/O.CON.KBUF.FF.W.0005.000000T0000Z-170713T1845Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Wayne NY-Livingston NY-Monroe NY-Ontario NY-
1159 AM EDT THU JUL 13 2017
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 245 PM EDT FOR
WAYNE...EASTERN LIVINGSTON...SOUTHEASTERN MONROE AND ONTARIO
COUNTIES...
At 1158 AM EDT, Doppler radar indicated thunderstorms producing heavy
rain across the warned area. Up to one inch of rain has already
fallen with an additional one to two inches of rain possible. Flash
flooding is expected to begin shortly.
Some locations that will experience flooding include...
Irondequoit, Geneva, Canandaigua, East Rochester, Webster,
lyons, Fairport and Brighton.
This includes Interstate 90 between exits 45 and 42.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, country roads, farmland, and other low lying
spots.
A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.
&&
LAT...LON 4258 7765 4325 7754 4324 7679 4302 7680
4301 7696 4276 7697 4276 7731 4267 7737
4258 7737
$$
RSHThe office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 12, 11:24 PM EDT | Special Weather Statement | BUF | Orleans | 36 min |
| Jul 13, 12:35 AM EDT | Severe Thunderstorm Warning | BUF | Livingston, Monroe, Ontario | 55 min |
| Jul 13, 3:58 AM EDT | Small Craft Advisory | BUF | 10 hr | |
| Jul 13, 9:29 AM EDT | Special Weather Statement | BUF | Genesee | 31 min |
| Jul 13, 9:49 AM EDT | Flash Flood Warning | BUF | Erie, Genesee, Livingston, Monroe, Niagara, Ontario and 2 more | 4 hr |
| Jul 13, 10:18 AM EDT | Flash Flood Warning | BUF | Erie, Livingston, Wyoming | 4 hr |
| Jul 13, 1:42 PM EDT | Areal Flood Warning | BUF | Erie, Genesee, Livingston, Monroe, Niagara, Ontario and 2 more | 6 hr |
| Jul 13, 1:43 PM EDT | River Flood Warning | BUF | Erie, Wyoming | 9 hr |
| Jul 13, 2:09 PM EDT | Areal Flood Warning | BUF | Erie, Livingston, Wyoming | 6 hr |
| Jul 13, 2:41 PM EDT | Areal Flood Warning | BUF | Livingston, Monroe, Ontario, Wayne | 3 hr |
| Jul 13, 6:10 PM EDT | Special Weather Statement | BUF | Cattaraugus | 65 min |
Nearby
Flash Flood Warnings in New York, 2017Every flash flood warning in 2017
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.