Alert archive / New York / Flash Flood Warnings in 2015

Flash Flood Warning 8, NWS Buffalo, NY

June 14, 2015Livingston County, Monroe County, Ontario County, New York

NWS Buffalo, NY issued this flash flood warning at Jun 14, 2015, 4:06 PM EDT for Livingston County, Monroe County, Ontario County, New York. It was in force for 3 hr. 4 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 14, 2015, 4:06 PM EDT (20:06 UTC)
Expired
Jun 14, 2015, 7:00 PM EDT
In force
3 hr
Issued by
NWS Buffalo, NY
Area
Storm-based polygon
Flood severity
None

Counties Livingston County, NY, Monroe County, NY, Ontario County, NY

The radar

The Buffalo radar (KBUF), 119 km from the middle of the area, began a volume at 20:07 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

TimeReportWhereRemark
Jun 14, 5:00 PM EDTFLASH FLOODCanadice Corners, NYWIDESPREAD RESIDENTIAL FLOODING AND UNDERMINING OF ROADS ACROSS TOWNS OF CANADICE AND RICHMOND...MAINLY S OF RTE 20A
Jun 14, 5:00 PM EDTFLASH FLOODHoneoye, NYREPORT OF ROAD SHOULDER WASHED OUT NEAR HONEOYE FROM WROC TWITTER
Jun 14, 5:50 PM EDTFLASH FLOOD1 W Naples, NYCOUNTY SHERIFF CONFIMS 4 HIKERS RESCUED FROM FLASH FLOODING AT GRIMES GLEN PARK
Jun 14, 6:05 PM EDTFLASH FLOODCanadice Corners, NYPICTURES OF ROADS BLOCKED BY DEBRIS AND WASHOUTS ON TWITTER

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, 8.1 hours before the alert went out and 115 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.

Skew-T log-pSkew-T log-p diagram, Buffalo Intl Airport, NY at 12:00Z on 2015-06-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Buffalo Intl Airport, NY at 12:00Z on 2015-06-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 37 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
889 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
37 m²/s²
0-3 km storm-relative helicity
74 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

550 
WGUS51 KBUF 142006
FFWBUF
NYC051-055-069-142300-
/O.NEW.KBUF.FF.W.0008.150614T2006Z-150614T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
406 PM EDT SUN JUN 14 2015

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  ONTARIO COUNTY IN WESTERN NEW YORK...   
  EXTREME NORTHEASTERN LIVINGSTON COUNTY IN WESTERN NEW YORK... 
  EXTREME SOUTH CENTRAL MONROE COUNTY IN WESTERN NEW YORK...

* UNTIL 700 PM EDT

* AT 404 PM EDT...THE PUBLIC REPORTED FLASH FLOODING ACROSS THE
  WARNED AREA. FLASH FLOODING IS ALREADY OCCURRING.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  GENEVA...CANANDAIGUA...VICTOR...HONEOYE FALLS...BRISTOL...CLIFTON
  SPRINGS...PHELPS AND BLOOMFIELD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.

TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 4267 7749 4267 7760 4298 7760 4296 7696
      4287 7696 4286 7698 4276 7697 4276 7731
      4273 7734 4267 7736 4267 7737 4258 7737
      4258 7749

$$

WOOD
1 follow-up statement
660 
WGUS71 KBUF 142302
FFSBUF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
702 PM EDT SUN JUN 14 2015

NYC051-055-069-142310-
/O.EXP.KBUF.FF.W.0008.000000T0000Z-150614T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ONTARIO NY-LIVINGSTON NY-MONROE NY-
702 PM EDT SUN JUN 14 2015

...THE FLASH FLOOD WARNING FOR ONTARIO...NORTHEASTERN LIVINGSTON AND
SOUTH CENTRAL MONROE COUNTIES HAS EXPIRED...

THE HEAVY RAIN HAS ENDED...AND FLASH FLOODING IS NO LONGER EXPECTED 
TO POSE A THREAT. HOWEVER STANDING WATER CONTINUES TO POSE A THREAT 
ACROSS THE AREA AND AS SUCH THE FLASH FLOOD WARNING HAS BEEN 
REPLACED WITH A FLOOD WARNING.

LAT...LON 4267 7749 4267 7760 4298 7760 4296 7696
      4287 7696 4286 7698 4276 7697 4276 7731
      4273 7734 4267 7736 4267 7737 4258 7737
      4258 7749

$$

WOOD

The office that day

Everything else NWS Buffalo, NY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 14, 3:26 PM EDTFlash Flood WatchBUFAllegany, Cattaraugus, Chautauqua, Erie, Genesee, Livingston and 4 more10 hr
Jun 14, 4:11 PM EDTFlash Flood WarningBUFLivingston, Monroe, Wyoming3 hr
Jun 14, 6:53 PM EDTAreal Flood WarningBUFLivingston, Monroe, Ontario, Wyoming6 hr
Jun 14, 7:58 PM EDTFlash Flood WarningBUFCattaraugus, Chautauqua3 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.