Alert archive / New York / Flash Flood Warnings in 2014

Flash Flood Warning 2, NWS Buffalo, NY

May 13, 2014Cattaraugus County, Chautauqua County, New York

NWS Buffalo, NY issued this flash flood warning at May 13, 2014, 5:57 AM EDT for Cattaraugus County, Chautauqua County, New York. It was in force for 6 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
May 13, 2014, 5:57 AM EDT (09:57 UTC)
Expired
May 13, 2014, 12:00 PM EDT
In force
6 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), 88 km from the middle of the area, began a volume at 09:56 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
May 13, 7:30 AM EDTFLASH FLOODRandolph, NYFLOODING IN WEEDEN PARK. TIME ESTIMATED.
May 13, 8:30 AM EDTFLASH FLOODSalamanca, NYTIME ESTIMATED.
May 13, 9:00 AM EDTFLASH FLOODCattaraugus, NYFLOODING AT ROUTE 353 AND MAPLE HILL. TIME ESTIMATED.
May 13, 9:00 AM EDTFLASH FLOODLittle Valley, NYFLASH FLOODING CLOSED ROUTE 242. TIME ESTIMATED.

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 00:00Z, 10.0 hours before the alert went out and 87 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 00:00Z on 2014-05-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 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 00:00Z on 2014-05-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 89 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
1144 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
89 m²/s²
0-3 km storm-relative helicity
156 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.

273 
WGUS51 KBUF 130957
FFWBUF
NYC009-013-131300-
/O.NEW.KBUF.FF.W.0002.140513T0957Z-140513T1300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
557 AM EDT TUE MAY 13 2014

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WESTERN CATTARAUGUS COUNTY IN WESTERN NEW YORK...
  THIS INCLUDES THE CITY OF SALAMANCA...
  EASTERN CHAUTAUQUA COUNTY IN WESTERN NEW YORK...

* UNTIL 900 AM EDT

* AT 550 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  OVER TWO INCHES OF RAIN HAS FALLEN OVER THE PAST 3 HOURS FROM 
  SLOW MOVING SHOWERS AND THUNDERSTORMS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL 
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE 
BANKS OF CREEKS AND STREAMS.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.

&&

LAT...LON 4199 7921 4243 7920 4244 7858 4199 7851

$$

TMA
2 follow-up statements
132 
WGUS71 KBUF 131130
FFSBUF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
730 AM EDT TUE MAY 13 2014

NYC009-013-131300-
/O.CON.KBUF.FF.W.0002.000000T0000Z-140513T1300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CATTARAUGUS NY-CHAUTAUQUA NY-
730 AM EDT TUE MAY 13 2014

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 900 AM EDT FOR
EASTERN CHAUTAUQUA AND WESTERN CATTARAUGUS COUNTIES...

LOCAL LAW ENFORCEMENT OFFICIALS REPORTED SEVERAL ROADS CLOSED IN THE 
TOWNS OF KENNEDY...LEON...NEW ALBION...RANDOLPH AND COLD SPRING DUE 
TO WATER AND DEBRIS FLOWING ACROSS THEM.

PERSISTENT SLOW MOVING SOWERS AND THUNDERSTORMS HAVE PRODUCED OVER 
TWO INCHES OF RAIN EARLY THIS MORNING. 

MORE SHOWERS AND THUNDERSTORMS PRODUCING HEAVY RAINFALL CAN BE 
EXPECTED ACROSS THE WARNED AREA THROUGH 9 AM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.

&&

LAT...LON 4199 7921 4243 7920 4244 7858 4199 7851

$$

TMA
063 
WGUS51 KBUF 131254
FFWBUF
NYC009-013-131600-
/O.EXT.KBUF.FF.W.0002.000000T0000Z-140513T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
854 AM EDT TUE MAY 13 2014

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  WESTERN CATTARAUGUS COUNTY IN WESTERN NEW YORK...
  THIS INCLUDES THE CITY OF SALAMANCA...
  EASTERN CHAUTAUQUA COUNTY IN WESTERN NEW YORK...

* UNTIL NOON EDT

* AT 845 AM EDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED MULTIPLE 
ROADS WITHIN THE WARNED AREA WITH WATER COVERING THE ROAD SURFACE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ADDITIONAL RAINFALL AMOUNTS OF HALF AN INCH THROUGH THE MORNING 
HOURS ARE POSSIBLE IN THE WARNED AREA. ADDITIONAL SCATTERED SHOWERS 
AND THUNDERSTORMS WILL OCCUR AGAIN LATER THIS AFTERNOON AND EVENING. 

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.

&&

LAT...LON 4199 7921 4243 7920 4244 7858 4199 7851

$$

THOMAS

The office that day

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

IssuedProductOfficeCountiesLasted
May 13, 6:47 AM EDTAreal Flood AdvisoryBUFCattaraugus, Chautauqua, Erie3 hr
May 13, 7:10 AM EDTFlash Flood WarningBUFCattaraugus, Chautauqua, Erie5 hr
May 13, 7:22 AM EDTAreal Flood AdvisoryBUFChautauqua3 hr

Nearby

Flash Flood Warnings in New York, 2014Every flash flood warning in 2014

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.