Alert archive / New York / Flash Flood Warnings in 2015

Flash Flood Warning 9, NWS Buffalo, NY

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

NWS Buffalo, NY issued this flash flood warning at Jun 14, 2015, 4:11 PM EDT for Livingston County, Monroe County, Wyoming 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, 4:11 PM EDT (20:11 UTC)
Expired
Jun 14, 2015, 7:15 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, Wyoming County, NY

The radar

The Buffalo radar (KBUF), 80 km from the middle of the area, began a volume at 20:12 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, 4:45 PM EDTFLASH FLOODMount Morris, NYPICTURE OF WATER FLOWING OVER DRIVEWAYS IN MOUNT MORRIS FROM WHAM TWITTER
Jun 14, 4:47 PM EDTFLASH FLOODPerry, NYPARTIAL ROAD COLLAPSE OATKA AND ADRIEN ROAD WEST OF PERRY
Jun 14, 4:57 PM EDTFLASH FLOODLakeville, NYPICTURE OF WATER SURROUNDING A HOUSE IN LAKEVILLE FROM TWCNEWSROC TWITTER
Jun 14, 5:00 PM EDTFLASH FLOODAvon, NYPICTURE OF WATER OVER SOUTH LIMA ROAD IN AVON FROM WHAM 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, 8.2 hours before the alert went out and 77 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°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.

338 
WGUS51 KBUF 142011
FFWBUF
NYC051-055-121-142315-
/O.NEW.KBUF.FF.W.0009.150614T2011Z-150614T2315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

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

* UNTIL 715 PM EDT

* AT 410 PM EDT...EMERGENCY MANAGEMENT REPORTED FLASH FLOODING ACROSS
  THE WARNED AREA. FLASH FLOODING IS ALREADY OCCURRING.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  GENESEO...DANSVILLE...LETCHWORTH STATE PARK...PERRY...WARSAW...
  AVON...MOUNT MORRIS AND HONEOYE FALLS.

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 4287 7824 4286 7796 4287 7796 4298 7760
      4276 7760 4276 7761 4267 7760 4267 7749
      4258 7749 4258 7766 4257 7766 4252 7825

$$

WOOD
1 follow-up statement
914 
WGUS71 KBUF 142306
FFSBUF

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

NYC051-055-121-142315-
/O.EXP.KBUF.FF.W.0009.000000T0000Z-150614T2315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LIVINGSTON NY-WYOMING NY-MONROE NY-
706 PM EDT SUN JUN 14 2015

...THE FLASH FLOOD WARNING FOR LIVINGSTON...EASTERN WYOMING AND SOUTH
CENTRAL MONROE COUNTIES WILL EXPIRE AT 715 PM EDT...

THE HEAVY RAIN HAS ENDED...AND 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 4287 7824 4286 7796 4287 7796 4298 7760
      4276 7760 4276 7761 4267 7760 4267 7749
      4258 7749 4258 7766 4257 7766 4252 7825

$$

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, 4:06 PM EDTFlash Flood WarningBUFLivingston, Monroe, Ontario3 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.