Alert archive / New York / Flash Flood Warnings in 2015

Flash Flood Warning 10, NWS Buffalo, NY

June 14, 2015Cattaraugus County, Chautauqua County, New York

NWS Buffalo, NY issued this flash flood warning at Jun 14, 2015, 7:58 PM EDT for Cattaraugus County, Chautauqua County, New York. It was in force for 3 hr. 1 report 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, 7:58 PM EDT (23:58 UTC)
Expired
Jun 14, 2015, 11:00 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), 76 km from the middle of the area, began a volume at 00:05 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, 8:54 PM EDTFLASH FLOODJamestown, NYREPORT OF A ROAD CLOSED DUE TO HIGH WATER IN THE TOWN OF ELLICOTT NEAR JAMESTOWN

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, 12.0 hours before the alert went out and 75 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.

906 
WGUS51 KBUF 142358
FFWBUF
NYC009-013-150300-
/O.NEW.KBUF.FF.W.0010.150614T2358Z-150615T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CATTARAUGUS COUNTY IN WESTERN NEW YORK...
  CHAUTAUQUA COUNTY IN WESTERN NEW YORK...

* UNTIL 1100 PM EDT
    
* AT 757 PM EDT...DOPPLER RADAR INDICATED A COMPLEX OF SHOWERS AND  
  THUNDERSTORMS PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. FLASH 
  FLOODING IS EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  JAMESTOWN...OLEAN...FREDONIA...SALAMANCA...ALLEGANY STATE PARK...
  LAKEWOOD...GOWANDA AND FALCONER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT ENTER OR CROSS FLOWING WATER OR WATER OF UNKNOWN DEPTH. 

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

&&

LAT...LON 4200 7967 4225 7967 4236 7941 4244 7930
      4251 7899 4244 7892 4244 7888 4250 7862
      4250 7831 4200 7831

$$

WOOD
2 follow-up statements
513 
WGUS71 KBUF 150134
FFSBUF

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

NYC013-150143-
/O.CAN.KBUF.FF.W.0010.000000T0000Z-150615T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CHAUTAUQUA NY-
934 PM EDT SUN JUN 14 2015

...THE FLASH FLOOD WARNING FOR CHAUTAUQUA COUNTY IS CANCELLED...

THE HEAVY RAIN HAS ENDED...AND FLOODING IS NO LONGER EXPECTED TO POSE
A THREAT. PLEASE CONTINUE TO HEED ALL ROAD CLOSURES.

LAT...LON 4200 7906 4249 7906 4251 7899 4244 7892
      4244 7888 4246 7879 4246 7876 4248 7870
      4247 7870 4249 7867 4250 7862 4250 7831
      4200 7831

$$

NYC009-150300-
/O.CON.KBUF.FF.W.0010.000000T0000Z-150615T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CATTARAUGUS NY-
934 PM EDT SUN JUN 14 2015

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1100 PM EDT FOR
CATTARAUGUS COUNTY...

AT 933 PM EDT...DOPPLER RADAR INDICATED HEAVY RAIN ACROSS THE WARNED
AREA.  FLASH FLOODING IS STILL POSSIBLE.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
OLEAN...SALAMANCA...ALLEGANY STATE PARK...GOWANDA...ASHFORD...
ALLEGANY...FRANKLINVILLE AND ST. BONAVENTURE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.

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

&&

LAT...LON 4200 7906 4249 7906 4251 7899 4244 7892
      4244 7888 4246 7879 4246 7876 4248 7870
      4247 7870 4249 7867 4250 7862 4250 7831
      4200 7831

$$

WOOD
481 
WGUS71 KBUF 150249
FFSBUF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
1049 PM EDT SUN JUN 14 2015

NYC009-150259-
/O.CAN.KBUF.FF.W.0010.000000T0000Z-150615T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CATTARAUGUS NY-
1049 PM EDT SUN JUN 14 2015

...THE FLASH FLOOD WARNING FOR CATTARAUGUS COUNTY IS CANCELLED...

THE HEAVY RAIN HAS ENDED...AND FLOODING IS NO LONGER EXPECTED TO POSE
A THREAT.

LAT...LON 4200 7906 4249 7906 4251 7899 4244 7892
      4244 7888 4246 7879 4246 7876 4248 7870
      4247 7870 4249 7867 4250 7862 4250 7831
      4200 7831

$$

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, 4:11 PM EDTFlash Flood WarningBUFLivingston, Monroe, Wyoming3 hr
Jun 14, 6:53 PM EDTAreal Flood WarningBUFLivingston, Monroe, Ontario, Wyoming6 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.