Skip Navigation 
NOAA logo - Click to go to the NOAA homepage National Weather Service Forecast Office   NWS logo - Click to go to the NWS homepage
Buffalo New York
Local Fcst 

NWS Buffalo Home

Significant Flooding/Rainfall Event
July 12, 2006

On Wednesday July 12, 2006, a very moist air mass was in place across the Buffalo County Warning Area with precipitable water values near to slightly above 2 inches.  The combination of a slow moving warm front and a low level jet on the order of 35 knots, provided the focus for heavy convective rains along the south shore of Lake Ontario.  12z Surface chart 07/12/06

Storm total rainfall amounts ranged between 2 and 5 inches in a corridor from Eastern Niagara County to Northern Cayuga County (see precipitation plots; Figure 1 and Figure 2).

Preliminary Local Storm Reports: Flooding Reports

Orleans County Numerous roads impassable due to flooding. 
Storm sewer manhole lifted by overflowing sewer system.
Wayne County In the town of Wolcott; many streets closed. State of Emergency declared. 
Numerous secondary roads closed north of Clyde.
Cayuga County In the town of Conquest; road closed due to water over Route 38. 
In the town of Meridian; road closed due to water over Route 370.
Monroe County Interstate route 390 closed due to flooding from County route 111 to Route 104. 
Several other intersections closed due to flooding and vehicles stuck in high water.

Record Rainfall !!

Daily rainfall record were established at both Buffalo and Rochester. 

The daily rainfall of 1.79 inches at Buffalo broke the old daily rainfall record for July 12 of 1.36 previously set back in 1878. 

The daily rainfall of 3.33 inches at Rochester broke the old daily rainfall record for July 12 of just 0.92 inches previously set back in 1910.  This is also the greatest daily rainfall ever recorded in the month of July.  The previous record was 3.26 inches set on July 11 1897.  In addition, this is the 3rd greatest daily total in Rochester in the past 100 years.  The only ones greater were 3.47 inches on September 14, 1979, and 3.45 inches on May 16, 1974.  Going even further back, the all time daily rainfall record was 4.14 inches on August, 1893. 3.77 inches also fell on October 30, 1873.

Unofficial Storm Rainfall Totals for July 12

Erie County
Cheektowaga (Airport) 1.79"
Clarence Center 1.75"
Monroe County
Rochester (Airport) 3.33"
Webster 2.87"
Charlotte 2.81"
Ontario County
Victor 3.16"
Orleans County
Gaines 2.31"
Oswego County
Hannibal 3.00"
Constantia 2.68"
Wayne County
Sodus Point 2.90"
Newark 2.32"

Precipitation Plot for July 12 (Figure 1)
Click image to enlarge

Rainfall amounts for 07/12/06  

Image from the NWS Precipitation Analysis Page (Figure 2). Visit this page to view precipitation maps you can customize.
Click image to enlarge

Rainfall amounts for 07/12/06

Local Climate Water & Weather Topics:
Current Hazards, Current Conditions, Radar, Satellite, Climate, Weather Safety, Contact Us

National Weather Service
Weather Forecast Office Buffalo
587 Aero Drive
Buffalo, N.Y. 14225-1405
(716)565-0204 or (716)565-0802

Page last modified: July 14, 2006 at 03:00:04 AM
Privacy Policy
About Us
Career Opportunities