Thunder Records Continue to Grow

Looking south from Concho Hill – August 30, 2016

Thunderstorms formed during the late evening hours across central and southern sections of Canadian County, and a steady rumble of thunder rolled into Okarche for a couple of hours.   This extended the record of consecutive days with thunder to eight and the record number of days with thunder in August to 15.

In addition, the thunder lasted past midnight into August 31st.  The consecutive days with thunder streak is now nine and the record number of days with thunder in August is 16.

Records Fall With Thunderstorm Event

August 29, 2016 ended up being much more exciting weatherwise than I thought it was going to be.  A westward moving outflow boundary collided with a nearly stationary north/south boundary that was located over Okarche, resulting in the development of strong and slow moving thunderstorms.  Precipitation fell at a tremendous rate for just over an hour, with the resulting storm total reaching 3.57 inches.  This is the most rainfall observed in a day since tropical system Erin produced 7.12 inches on August 19, 2007.

This ranks as the 9th most daily rainfall of record (Since 1981).

The 3.57 inches of rain set a record for the date.  The previous record was 0.80 of an inch set in 1984.

Also, this marks the 7th consecutive day with thunder in Okarche which sets a new record.  The previous record of six occurred four times between 1995 and 2015.  This was the 14th day with thunder in August breaking the old record of 12 set in 1996.

During the heaviest rainfall, 0.72 of an inch fell in just five minutes!  Urban flooding occurred across the town, which included the closing of one road which goes under the Union Pacific Railroad bridge.

There was a small downburst event which occurred as well.  While winds at the house peaked at only 33 mph, numerous 4-6 inch tree limbs were blown down a few blocks to the south.

Rainfall – August 25-26, 2016

Rainfall totals are starting to come in this morning, and we are seeing some good amounts.  More than two inches of rain fell across much of Blaine County and an area of heavy rain extended from there, across Kingfisher and southern Garfield counties.  The heaviest rain fell in Logan County, and nice rain extended into Payne County as well.  4.66 inches of rain was reported from OK-LG-11 (2.9 miles north of Guthrie).