Alert archive / New York / Flash Flood Warnings in 2015
Flash Flood Warning 22, NWS Buffalo, NY
NWS Buffalo, NY issued this flash flood warning at Jul 18, 2015, 7:00 AM EDT for Ontario County, New York. It was in force for 3 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 18, 2015, 7:00 AM EDT (11:00 UTC)
- Expired
- Jul 18, 2015, 10:00 AM EDT
- In force
- 3 hr
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
- Flood severity
- None
County Ontario County, NY
The radar
The Buffalo radar (KBUF), 114 km from the middle of the area, began a volume at 11:04 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 00:00Z, 11.0 hours before the alert went out and 111 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
- 117 J/kg
- Mixed-layer CIN
- -44 J/kg
- Mixed-layer LCL
- 1119 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 212 m²/s²
- 0-3 km storm-relative helicity
- 322 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
311
WGUS51 KBUF 181100
FFWBUF
NYC069-181400-
/O.NEW.KBUF.FF.W.0022.150718T1100Z-150718T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
700 AM EDT SAT JUL 18 2015
THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHERN ONTARIO COUNTY IN WESTERN NEW YORK...
* UNTIL 1000 AM EDT
* AT 658 AM EDT...DOPPLER RADAR INDICATED A THUNDERSTORM 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...
NAPLES...RUSHVILLE...CANADICE...HUNT HOLLOW AND BRISTOL MOUNTAIN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.
&&
LAT...LON 4267 7749 4267 7759 4269 7760 4276 7761
4277 7697 4276 7698 4276 7731 4273 7734
4267 7736 4267 7737 4258 7737 4258 7749
$$
TMA2 follow-up statements
862
WGUS71 KBUF 181151
FFSBUF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
751 AM EDT SAT JUL 18 2015
NYC069-181400-
/O.CON.KBUF.FF.W.0022.000000T0000Z-150718T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ONTARIO NY-
751 AM EDT SAT JUL 18 2015
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1000 AM EDT FOR
SOUTHERN ONTARIO COUNTY...
AT 745 AM EDT...ALTHOUGH THE HEAVY RAINS HAVE ENDED...RUNOFF FROM
OVER 2 INCHES OF RAINFALL EARLIER THIS MORNING IS CAUSING RAPID
RISES. LOCAL LAW ENFORCEMENT HAVE REPORTED SEVERAL ROADS WITH WATER
FLOWING OVER THEM INCLUDING ROUTE 245...ROUTE 12...AND ROUTE 36 IN
AND AROUND NAPLES.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
NAPLES...RUSHVILLE...CANADICE...HUNT HOLLOW AND BRISTOL MOUNTAIN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE. DO NOT
DRIVE THROUGH FLOODED ROADS. HEED ANY ROAD CLOSURES.
&&
LAT...LON 4267 7749 4267 7759 4269 7760 4276 7761
4277 7697 4276 7698 4276 7731 4273 7734
4267 7736 4267 7737 4258 7737 4258 7749
$$
TMA950
WGUS71 KBUF 181354
FFSBUF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
954 AM EDT SAT JUL 18 2015
NYC069-181404-
/O.EXP.KBUF.FF.W.0022.000000T0000Z-150718T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ONTARIO NY-
954 AM EDT SAT JUL 18 2015
...THE FLASH FLOOD WARNING FOR SOUTHERN ONTARIO COUNTY WILL EXPIRE AT
1000 AM EDT...
FLOOD WATERS HAVE RECEDED...AND ARE NO LONGER EXPECTED TO POSE A
THREAT TO LIFE OR PROPERTY. PLEASE CONTINUE TO HEED ANY ROAD
CLOSURES.
LAT...LON 4267 7749 4267 7759 4269 7760 4276 7761
4277 7697 4276 7698 4276 7731 4273 7734
4267 7736 4267 7737 4258 7737 4258 7749
$$
CHURCHThe office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 18, 3:37 AM EDT | Special Weather Statement | BUF | Genesee, Monroe | 38 min |
| Jul 18, 4:16 AM EDT | Flash Flood Warning | BUF | Genesee, Monroe, Orleans, Wayne | 3 hr |
| Jul 18, 5:03 AM EDT | Special Weather Statement | BUF | Ontario | 42 min |
| Jul 18, 5:35 AM EDT | Flash Flood Warning | BUF | Livingston, Monroe, Ontario | 3 hr |
| Jul 18, 6:25 AM EDT | Special Weather Statement | BUF | Livingston | 35 min |
| Jul 18, 3:43 PM EDT | Flash Flood Watch | BUF | Allegany, Cattaraugus, Cayuga, Chautauqua, Erie, Genesee and 8 more | 29 hr |
Nearby
Flash Flood Warnings in New York, 2015Every flash flood warning in 2015
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.