Alert archive / New York / Flash Flood Warnings in 2014

Flash Flood Warning 9, NWS Buffalo, NY

June 12, 2014Cattaraugus County, New York

NWS Buffalo, NY issued this flash flood warning at Jun 12, 2014, 8:35 PM EDT for Cattaraugus County, New York. It was in force for 5 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 12, 2014, 8:35 PM EDT (00:35 UTC)
Expired
Jun 13, 2014, 2:00 AM EDT
In force
5 hr
Issued by
NWS Buffalo, NY
Area
Storm-based polygon
Flood severity
None

County Cattaraugus County, NY

The radar

The Buffalo radar (KBUF), 65 km from the middle of the area, began a volume at 00:34 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 12, 10:10 PM EDTFLASH FLOOD1 N East Leon, NYMOSHER HOLLOW ROAD CLOSED AT ROUTE 353 DUE TO FLOODING UNTIL FURTHER NOTICE
Jun 12, 10:10 PM EDTFLASH FLOODConewango, NYROUTE 241 NORTH CLOSED AT ROUTE 62 DUE TO FLOODING
Jun 12, 10:10 PM EDTFLASH FLOODNew Albion, NYMAPLE HILL ROAD CLOSED AT ROUTE 353 DUE TO FLOODING UNTIL FURTHER NOTICE
Jun 12, 11:11 PM EDTFLASH FLOOD1 E Rays Corners, NYROUTE 62 CLOSED BETWEEN ROUTE 241 AND LEON RD DUE TO FLOODING.

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, 0.6 hours before the alert went out and 64 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 2014-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 281 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 2014-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -6 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
281 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
601 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
-6 m²/s²
0-3 km storm-relative helicity
22 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.

616 
WGUS51 KBUF 130035
FFWBUF
NYC009-130330-
/O.NEW.KBUF.FF.W.0009.140613T0035Z-140613T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
835 PM EDT THU JUN 12 2014

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

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

* UNTIL 1130 PM EDT

* AT 831 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A NARROW BAND OF TORRENTIAL RAINFALL FROM A SLOW MOVING AREA OF    
  THUNDERSTORMS. RADAR ESTIMATES THAT 2 TO 3 INCHES OF RAIN HAS      
  FALLEN IN A SMALL AREA FROM CONEWANGO TO NEW ALBION AND OTTO.      
  ADDITIONAL RAINFALL AMOUNTS OF UP TO AN INCH ARE POSSIBLE THROUGH  
  LATE EVENING.

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. NEVER DRIVE THROUGH FLOODED ROADS... 
TURN AROUND DONT DROWN!

&&

LAT...LON 4207 7906 4230 7907 4244 7894 4245 7890
      4244 7889 4244 7884 4246 7880 4246 7878
      4247 7876 4248 7865

$$

HITCHCOCK
4 follow-up statements
660 
WGUS71 KBUF 130218
FFSBUF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
1018 PM EDT THU JUN 12 2014

NYC009-130330-
/O.CON.KBUF.FF.W.0009.000000T0000Z-140613T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CATTARAUGUS NY-
1018 PM EDT THU JUN 12 2014

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1130 PM EDT FOR
NORTHWESTERN CATTARAUGUS COUNTY...

AT 1012 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE AN AREA OF MODERATE RAINFALL OVER THE AREA. RADAR ESTIMATES 
THAT 2 TO 3 INCHES OF RAIN HAS FALLEN LOCALLY. ADDITIONAL RAINFALL 
AMOUNTS OF AROUND A QUARTER INCH ARE POSSIBLE THROUGH LATE EVENING 
AS SOMEWHAT LIGHTER RAIN CROSSES THE REGION.

LOCAL OFFICIALS REPORT SEVERAL ROAD CLOSURES IN THE TOWNS OF 
CONEWANGO AND NEW ALBION...INCLUDING THE ROUTE 241 AND ROUTE 62 
INTERSECTION IN CONEWANGO AND PORTIONS OF ROUTE 353. SMALL STREAMS 
WILL EXPERIENCE FLASH FLOODING IN SOME AREAS...INCLUDING ALONG 
CONEWANGO CREEK.

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. NEVER DRIVE THROUGH FLOODED ROADS... 
TURN AROUND DONT DROWN!

&&

LAT...LON 4207 7906 4230 7907 4244 7894 4245 7890
      4244 7889 4244 7884 4246 7880 4246 7878
      4247 7876 4248 7865

$$

HITCHCOCK
968 
WGUS51 KBUF 130324
FFWBUF
NYC009-130600-
/O.EXT.KBUF.FF.W.0009.000000T0000Z-140613T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
1124 PM EDT THU JUN 12 2014

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS EXTENDED THE

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

* UNTIL 200 AM EDT

* AT 1120 PM EDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLASH    
  FLOODING ONGOING ACROSS PORTIONS OF NORTHWEST CATTARAUGUS COUNTY   
  IN THE TOWNS OF CONEWANGO...LEON...AND NEW ALBION. THE HEAVIEST    
  RAINFALL HAS ENDED...BUT EXCESSIVE RUNOFF FROM THUNDERSTORMS       
  EARLIER THIS EVENING WILL CONTINUE TO PRODUCE FLASH FLOODING FOR   
  SEVERAL MORE HOURS ALONG SMALL STREAMS AND CREEKS.

SEVERAL ROADS REMAIN CLOSED...INCLUDING PORTIONS OF ROUTE 62...241 
AND 353. LOCAL OFFICIALS ALSO REPORT SEVERAL ROADS ARE WASHED OUT.

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. NEVER DRIVE THROUGH FLOODED ROADS... 
TURN AROUND DONT DROWN!

&&

LAT...LON 4207 7906 4230 7907 4244 7894 4245 7890
      4244 7889 4244 7884 4246 7880 4246 7878
      4247 7876 4248 7865

$$

HITCHCOCK
377 
WGUS71 KBUF 130508
FFSBUF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
108 AM EDT FRI JUN 13 2014

NYC009-130600-
/O.CON.KBUF.FF.W.0009.000000T0000Z-140613T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CATTARAUGUS NY-
108 AM EDT FRI JUN 13 2014

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 200 AM EDT FOR WEST
CENTRAL CATTARAUGUS COUNTY...

AT 100 AM EDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED NUMEROUS 
ROAD CLOSURES FROM FLASH FLOODING ACROSS NORTHWEST PORTIONS OF 
CATTARAUGUS COUNTY IN THE TOWNS OF CONEWANGO...LEON...AND NEW 
ALBION. ALTHOUGH THE HEAVIEST RAINFALL HAS ENDED...SOME SMALL CREEKS 
AND STREAMS MAY STILL CAUSE FLOODING INTO THE EARLY MORNING HOURS.

SEVERAL ROADS REMAIN CLOSED...INCLUDING PORTIONS OF ROUTE 62...241 
AND 353. LOCAL OFFICIALS ALSO REPORT SEVERAL ROADS ARE WASHED OUT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

&&

LAT...LON 4207 7906 4230 7907 4244 7894 4245 7890
      4244 7889 4244 7884 4246 7880 4246 7878
      4247 7876 4248 7865

$$

APFFEL
376 
WGUS71 KBUF 130558
FFSBUF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
158 AM EDT FRI JUN 13 2014

NYC009-130608-
/O.EXP.KBUF.FF.W.0009.000000T0000Z-140613T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CATTARAUGUS NY-
158 AM EDT FRI JUN 13 2014

...THE FLASH FLOOD WARNING WILL EXPIRE AT 200 AM EDT FOR WEST CENTRAL
CATTARAUGUS COUNTY...

PONDING OF LOW LYING AND POOR DRAINAGE AREAS WILL BE POSSIBLE FOR
AWHILE UNTIL THE WATER HAS TIME TO RUN OFF.

LAT...LON 4207 7906 4230 7907 4244 7894 4245 7890
      4244 7889 4244 7884 4246 7880 4246 7878
      4247 7876 4248 7865

$$

APFFEL

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 12, 8:24 PM EDTFlash Flood WarningBUFGenesee, Wyoming4 hr
Jun 13, 12:46 AM EDTAreal Flood WarningBUFErie, Genesee4 hr
Jun 13, 4:31 AM EDTSmall Craft AdvisoryBUF39 hr
Jun 13, 3:25 PM EDTSpecial Weather StatementBUFOntario, Wayne80 min
Jun 13, 3:48 PM EDTSpecial Weather StatementBUFCayuga57 min
Jun 13, 4:17 PM EDTSevere Thunderstorm WarningBUFCayuga, Oswego43 min
Jun 13, 5:00 PM EDTSpecial Weather StatementBUFOswego60 min

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.