Alert archive / New York / Flash Flood Warnings in 2014

Flash Flood Warning 14, NWS Buffalo, NY

July 28, 2014Livingston County, Monroe County, Ontario County, New York

NWS Buffalo, NY issued this flash flood warning at Jul 28, 2014, 8:45 AM EDT for Livingston County, Monroe County, Ontario County, New York. It was in force for 6 hr. 16 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
Jul 28, 2014, 8:45 AM EDT (12:45 UTC)
Expired
Jul 28, 2014, 2:45 PM EDT
In force
6 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), 81 km from the middle of the area, began a volume at 12:49 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
Jul 28, 9:00 AM EDTFLASH FLOOD2 Ne Caledonia, NYSCOTTSVILLE MUMFORD RD CLOSED BETWEEN CBELCODA AND TWIN BRIDGE DUE TO FLOODING
Jul 28, 9:16 AM EDTFLASH FLOOD1 Sw South Chili, NYNEW YORK STATE THRUWAY CLOSED DUE TO FLOODING BETWEEN EXITS 46 AND 47.
Jul 28, 9:30 AM EDTFLASH FLOOD1 Ne Littleville, NYA PORTION OF NORTH LITTLEVILLE ROAD WASHED OUT.
Jul 28, 9:30 AM EDTFLASH FLOODAvon, NY70 CHILDREN SENT HOME FROM DAYCARE CENTER ON MAIN STREET IN AVON DUE TO FLOODING. LITTLEVILLE RD WASHED OUT NEAR LITTLE CONESUS CREEK.
Jul 28, 9:30 AM EDTFLASH FLOODAvon, NYEVACUATIONS REPORTED IN THE VILLAGE OF AVON DUE TO FLOODING
Jul 28, 9:30 AM EDTFLASH FLOODHoneoye, NYCR 36 WASHED OUT SOUTH OF RT 20A
Jul 28, 9:30 AM EDTFLASH FLOODRichmond Center, NYNUMEROUS ROAD CLOSURES DUE TO FLOODING.
Jul 28, 10:00 AM EDTFLASH FLOODCanadice Corners, NYNUMEROUS ROAD CLOSURES DUE TO FLOODING.
Jul 28, 10:05 AM EDTFLASH FLOODRichmond Center, NYCR 33 NEAR E LAKE RD CLOSED DUE TO FLOODING.
Jul 28, 10:05 AM EDTFLASH FLOODRichmond Center, NYCR 36 AT ROUTE 20A AND JERSEY HILL RD...AND CR 33 NEAR E LAKE RD CLOSED DUE TO FLOODING.
Jul 28, 10:30 AM EDTFLASH FLOODRichmond Center, NYFLOODING ON MAIN STREET. 4 FAMILIES EVACUATED FROM HOMES.
Jul 28, 10:50 AM EDTFLASH FLOOD1 Ese Beulah, NYRIGA MUMFORD ROAD CLOSED BETWEEN NORTH ROAD AND OATKA ROAD.
Jul 28, 11:00 AM EDTFLASH FLOOD1 W Honeoye, NYBRIDGE WASHED OUT ON COLE ROAD...MCCLURG ROAD AND BELL ROAD CLOSED FROM FLOODING. ALLENS HILL ROAD WASHED OUT.
Jul 28, 11:30 AM EDTFLASH FLOOD4 Sw Canadice Corners, NYNUMEROUS ROADS CLOSED DUE TO FLOODING IN THE TOWN OF CANADICE
Jul 28, 12:15 PM EDTFLASH FLOOD1 W Honeoye, NYBRIDGE WASHED OUT ON COLE ROAD
Jul 28, 12:15 PM EDTFLASH FLOOD4 Sw Honeoye, NYNUMEROUS ROADS CLOSED DUE TO FLOODING IN THE TOWN OF CANADICE

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, 0.8 hours before the alert went out and 78 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 2014-07-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 66 joules per kilogram.LCLLFCEL10008507005003002001001 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 2014-07-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 32 square meters per square second.1939Sfc1 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
66 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
605 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
32 m²/s²
0-3 km storm-relative helicity
52 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.

518 
WGUS51 KBUF 281245
FFWBUF
NYC051-055-069-281645-
/O.NEW.KBUF.FF.W.0014.140728T1245Z-140728T1645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
845 AM EDT MON JUL 28 2014

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  LIVINGSTON COUNTY IN WESTERN NEW YORK...
  THIS INCLUDES THE CITIES OF...GENESEO...DANSVILLE...
  SOUTH CENTRAL MONROE COUNTY IN WESTERN NEW YORK...
  SOUTHWESTERN ONTARIO COUNTY IN WESTERN NEW YORK...

* UNTIL 1245 PM EDT

* AT 840 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  FLASH FLOODING FROM A THUNDERSTORM OVER THE WARNED AREA. THIS WILL 
  BRING 1 TO 2 INCHES OF RAIN TO SOME LOCATIONS IN THE WARNED AREA   
  THIS MORNING. HEAVIEST RAINS SHOULD FALL FROM                      
  AVON...TO CONESUS...TO DANSVILLE.

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.

&&

LAT...LON 4253 7786 4295 7791 4304 7790 4304 7792
      4307 7793 4307 7772 4292 7752 4257 7739
      4257 7765 4253 7767

$$

APFFEL
5 follow-up statements
782 
WGUS71 KBUF 281442
FFSBUF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
1042 AM EDT MON JUL 28 2014

NYC051-055-069-281645-
/O.CON.KBUF.FF.W.0014.000000T0000Z-140728T1645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LIVINGSTON NY-ONTARIO NY-MONROE NY-
1042 AM EDT MON JUL 28 2014

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1245 PM EDT FOR
SOUTH CENTRAL MONROE...SOUTHWESTERN ONTARIO AND LIVINGSTON
COUNTIES...

AT 1029 AM EDT...NUMEROUS ROAD CLOSURES HAVE REPORTED ACROSS THE 
WARNED AREA. THE MOST SIGNIFICANT FLOODING HAS BEEN NEAR 
SCOTTSVILLE...CALEDONIA...AND AVON WHERE 2 TO 3 INCHES OF RAIN HAS 
FALLEN. ALTHOUGH THE HEAVIEST RAIN WILL SHIFT EAST INTO ONTARIO 
COUNTY LATE THIS MORNING...CREEKS AND STREAMS CAN STILL RISE SEVERAL 
HOURS AFTER THE HEAVIEST RAINS HAVE FALLEN. SOME CREEKS WHICH MIGHT 
PRODUCE FLOODING INCLUDE...MILL CREEK...DUGAN CREEK...CHRISTIE 
CREEK...CONESUS CREEK...AND HEMLOCK OUTLET. THOSE IN THE WARNING 
AREA SHOULD REMAIN ALERT FOR FLASH FLOODING...AND EXERCISE CAUTION 
WHEN TRAVELING.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO YORK...
HONEOYE...HEMLOCK...SCOTTSVILLE...MOUNT MORRIS...LIMA...HONEOYE
FALLS...GENESEO...CALEDONIA AND AVON

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF
RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE.

&&

LAT...LON 4253 7786 4295 7791 4304 7790 4304 7792
      4307 7793 4307 7772 4292 7752 4257 7739
      4257 7765 4253 7767

$$

APFFEL
525 
WGUS71 KBUF 281609
FFSBUF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
1209 PM EDT MON JUL 28 2014

NYC051-055-069-281645-
/O.CON.KBUF.FF.W.0014.000000T0000Z-140728T1645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LIVINGSTON NY-ONTARIO NY-MONROE NY-
1209 PM EDT MON JUL 28 2014

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1245 PM EDT FOR
SOUTH CENTRAL MONROE...SOUTHWESTERN ONTARIO AND NORTHEASTERN
LIVINGSTON COUNTIES...

AT 1201 PM EDT...NUMEROUS ROAD CLOSURES HAVE REPORTED ACROSS THE 
WARNED AREA. THE MOST SIGNIFICANT FLOODING HAS BEEN NEAR 
SCOTTSVILLE...CALEDONIA...AND AVON WHERE 2 TO 4 INCHES OF RAIN HAS 
FALLEN THIS MORNING. 

THE HEAVIEST RAINS HAVE ENDED ACROSS LIVINGSTON COUNTY...AND WESTERN 
PORTIONS OF MONROE COUNTY WITH ADDITIONAL RAINFALL THIS AFTERNOON 
EXPECTED TO BE LESS THAN A HALF INCH. HOWEVER...CREEKS AND STREAMS 
CAN STILL RISE SEVERAL HOURS AFTER THE HEAVIEST RAIN. MOST SMALL 
CREEKS AND STREAMS SHOULD HAVE CRESTED...OR BE NEAR CREST...BY EARLY 
AFTERNOON...HOWEVER THERE STILL IS FLASH FLOODING ONGOING ACROSS 
PORTIONS OF THE WARNED AREA. THOSE IN THE WARNING AREA SHOULD REMAIN 
ALERT FOR FLOODING...AND EXERCISE CAUTION WHEN TRAVELING.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
SCOTTSVILLE...LIMA...HONEOYE FALLS...CALEDONIA AND AVON

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

&&

LAT...LON 4258 7749 4277 7770 4295 7791 4304 7790
      4304 7792 4307 7793 4307 7772 4292 7752
      4257 7739

$$

APFFEL
460 
WGUS51 KBUF 281644
FFWBUF
NYC051-055-069-281845-
/O.EXT.KBUF.FF.W.0014.000000T0000Z-140728T1845Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
1244 PM EDT MON JUL 28 2014

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS EXTENDED THE

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

* UNTIL 245 PM EDT

* THE HEAVIEST RAINS HAVE ENDED ACROSS LIVINGSTON COUNTY...AND       
  WESTERN PORTIONS OF MONROE AND ONTARIO COUNTIES WITH ADDITIONAL    
  RAINFALL THIS AFTERNOON EXPECTED TO BE LESS THAN A HALF INCH.      
  HOWEVER...THERE IS STILL FLASH FLOODING ONGOING FROM SLOWER        
  RESPONDING CREEKS AND PONDING OF WATER IN LOW-LYING AREAS. THIS    
  HAS RESULTED IN NUMEROUS ROAD CLOSURES IN THE WARNED AREA. THOSE   
  IN THE WARNING AREA SHOULD REMAIN ALERT FOR FLOODING...AND         
  EXERCISE CAUTION WHEN TRAVELING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

&&

LAT...LON 4258 7749 4277 7770 4295 7791 4304 7790
      4304 7792 4307 7793 4307 7772 4292 7752
      4257 7739

$$

APFFEL
152 
WGUS71 KBUF 281750
FFSBUF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
150 PM EDT MON JUL 28 2014

NYC051-055-069-281845-
/O.CON.KBUF.FF.W.0014.000000T0000Z-140728T1845Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LIVINGSTON NY-ONTARIO NY-MONROE NY-
150 PM EDT MON JUL 28 2014

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 245 PM EDT FOR SOUTH
CENTRAL MONROE...SOUTHWESTERN ONTARIO AND NORTHEASTERN LIVINGSTON
COUNTIES...

AT 145 PM EDT...LITTLE ADDITIONAL RAINFALL IS EXPECTED ACROSS 
LIVINGSTON COUNTY...AND WESTERN PORTIONS OF MONROE AND ONTARIO 
COUNTIES. HOWEVER...THERE ARE STILL SOME ROADS CLOSED FROM PREVIOUS 
FLASH FLOODING. ALSO...THERE STILL MAY BE SIGNIFICANT PONDING OF 
WATER IN SOME AREAS...WITH SLOWER RESPONDING CREEKS AND STREAMS 
STILL CAUSING FLOODING IN A FEW LOCATIONS IN THE WARNED AREA. FLOOD 
WATERS SHOULD GRADUALLY SUBSIDE THROUGH THE AFTERNOON HOURS. THOSE 
IN THE WARNING AREA SHOULD REMAIN ALERT FOR FLOODING...AND EXERCISE 
CAUTION WHEN TRAVELING.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
SCOTTSVILLE...LIMA...HONEOYE FALLS...CALEDONIA AND AVON

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

&&

LAT...LON 4258 7749 4277 7770 4295 7791 4304 7790
      4304 7792 4307 7793 4307 7772 4292 7752
      4257 7739

$$

APFFEL
475 
WGUS71 KBUF 281837
FFSBUF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
237 PM EDT MON JUL 28 2014

NYC051-055-069-281847-
/O.EXP.KBUF.FF.W.0014.000000T0000Z-140728T1845Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LIVINGSTON NY-ONTARIO NY-MONROE NY-
237 PM EDT MON JUL 28 2014

...THE FLASH FLOOD WARNING WILL EXPIRE AT 245 PM EDT FOR SOUTH
CENTRAL MONROE...SOUTHWESTERN ONTARIO AND NORTHEASTERN LIVINGSTON
COUNTIES...

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

LAT...LON 4258 7749 4277 7770 4295 7791 4304 7790
      4304 7792 4307 7793 4307 7772 4292 7752
      4257 7739

$$

APFFEL

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 27, 8:33 PM EDTSpecial Marine WarningBUF42 min
Jul 27, 11:08 PM EDTSpecial Weather StatementBUFGenesee, Niagara, Orleans82 min
Jul 27, 11:26 PM EDTFlash Flood WarningBUFErie, Genesee, Niagara, Orleans4 hr
Jul 27, 11:55 PM EDTFlash Flood WarningBUFErie, Genesee, Wyoming3 hr
Jul 28, 12:27 AM EDTFlash Flood WarningBUFLivingston, Ontario4 hr
Jul 28, 12:52 AM EDTFlash Flood WarningBUFLivingston, Monroe, Ontario, Wayne4 hr
Jul 28, 7:22 AM EDTSpecial Weather StatementBUFErie, Genesee, Livingston, Monroe, Niagara, Orleans and 1 more83 min
Jul 28, 9:16 AM EDTSpecial Weather StatementBUFChautauqua, Erie, Wyoming74 min
Jul 28, 9:53 AM EDTFlash Flood WarningBUFMonroe, Ontario6 hr
Jul 28, 10:28 AM EDTSpecial Weather StatementBUFWyoming77 min
Jul 28, 11:13 AM EDTSpecial Weather StatementBUFMonroe47 min
Jul 28, 12:52 PM EDTAreal Flood AdvisoryBUFMonroe3 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.