Flash Flood Warning 13, NWS Buffalo, NY

Issued

Jul 28, 2014, 12:52 AM EDT (04:52 UTC)

Expired

Jul 28, 2014, 4:45 AM EDT

In force

4 hr

Issued by

NWS Buffalo, NY

Area

Storm-based polygon

Flood severity

None

Counties Livingston County, NY, Monroe County, NY, Ontario County, NY, Wayne County, NY

The Buffalo radar (KBUF), 81 km from the middle of the area, began a volume at 04:52 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.

275 
WGUS51 KBUF 280452
FFWBUF
NYC051-055-069-117-280845-
/O.NEW.KBUF.FF.W.0013.140728T0452Z-140728T0845Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
1252 AM EDT MON JUL 28 2014

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN LIVINGSTON COUNTY IN WESTERN NEW YORK...
  THIS INCLUDES THE CITY OF GENESEO...
  MONROE COUNTY IN WESTERN NEW YORK...
  THIS INCLUDES THE CITIES OF...WEBSTER...ROCHESTER...IRONDEQUOIT...
  HILTON...GREECE...GATES-NORTH GATES...GATES...FAIRPORT...EAST
  ROCHESTER...BROCKPORT...BRIGHTON...
  NORTHWESTERN ONTARIO COUNTY IN WESTERN NEW YORK...
  WESTERN WAYNE COUNTY IN WESTERN NEW YORK...

* UNTIL 445 AM EDT

* AT 1246 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  FLASH FLOODING FROM A THUNDERSTORM OVER THE WARNED AREA. RADAR
  ESTIMATES THAT BETWEEN ONE AND TWO INCHES OF RAIN HAS FALLEN OVER 
  THE WARNED AREA. ADDITIONAL THUNDERSTORMS SLOWLY MOVING NORTHWARD 
  OVER THE WARNED AREA WILL CONTINUE TO PRODUCE HEAVY RAINFALL. 
  ADDITIONAL RAINFALL AMOUNTS BETWEEN HALF AND ONE AND A HALF INCHES 
  ARE POSSIBLE THROUGH THE OVERNIGHT.      

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

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.

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 4275 7781 4286 7796 4295 7793 4295 7791
      4304 7790 4304 7795 4313 7790 4314 7799
      4337 7800 4335 7776 4324 7755 4329 7737
      4329 7724 4289 7724 4290 7779

$$

THOMAS

496 
WGUS71 KBUF 280601
FFSBUF

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

NYC051-055-069-117-280845-
/O.CON.KBUF.FF.W.0013.000000T0000Z-140728T0845Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LIVINGSTON NY-ONTARIO NY-WAYNE NY-MONROE NY-
201 AM EDT MON JUL 28 2014

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 445 AM EDT FOR
MONROE...WESTERN WAYNE...NORTHWESTERN ONTARIO AND NORTHERN LIVINGSTON
COUNTIES...

AT 156 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A THUNDERSTORM PRODUCING FLASH FLOODING OVER THE WARNED
AREA. AN ADDITIONAL THIRD TO TWO-THIRDS OF AN INCH OF RAINFALL IS POSSIBLE
THROUGH THE REMAINDER OF THE WARNING. 

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO PENFIELD...
ONTARIO...HAMLIN BEACH...WEBSTER...SPENCERPORT...ROCHESTER...
IRONDEQUOIT...HILTON...GREECE...GATES-NORTH GATES...GATES...
FAIRPORT...EAST ROCHESTER...CHURCHVILLE...BROCKPORT AND BRIGHTON

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

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.

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 4275 7781 4286 7796 4295 7793 4295 7791
      4304 7790 4304 7795 4313 7790 4314 7799
      4337 7800 4335 7776 4324 7755 4329 7737
      4329 7724 4289 7724 4290 7779

$$

THOMAS

424 
WGUS71 KBUF 280831 RRA
FFSBUF

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

NYC051-055-069-117-280842-
/O.CAN.KBUF.FF.W.0013.000000T0000Z-140728T0845Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LIVINGSTON NY-ONTARIO NY-WAYNE NY-MONROE NY-
431 AM EDT MON JUL 28 2014

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR MONROE...WESTERN
WAYNE...NORTHWESTERN ONTARIO AND NORTHERN LIVINGSTON COUNTIES...

THE FLOODING HAS RECEDED...THUS THE FLOOD WARNING HAS BEEN CANCELLED.

LAT...LON 4275 7781 4286 7796 4295 7793 4295 7791
      4304 7790 4304 7795 4313 7790 4314 7799
      4337 7800 4335 7776 4324 7755 4329 7737
      4329 7724 4289 7724 4290 7779

$$

HITCHCOCK

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

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.