Lower Columbia Basin storm history

The local county coroner confirmed a heat related death of a 70 year old male on July 15th, and the heat related deaths of a couple, 85 year old female and 90 year old male, on July 16th.

A Franklin county coroner confirmed that a 61 year old male east of Pasco, WA had died of hyperthermia, with alcohol intoxication a contributing factor.

Calculated heat risk at the KRLD AWOS recorded consecutive days between June 26th through June 30th of temperatures that met or exceeded excessive heat warning criteria. The GHCN station for Kennewick, WA recorded consecutive days between June 27th through July 1st of temperature…

Washington State Troopers reported a single vehicle rollover on Highway 395 north of Pasco due to speed and slippery road conditions. A 7 year old passenger was killed (indirect) in the crash. They were not wearing a seat belt.

Tri-City Herald.

A dust storm six miles ESE of Prosser lead to a 30 car pileup involving cars, trucks, and semi-trailers. The incident occurred on highway 221, along a 1.5 mile stretch of the Horse Heaven Hills near the intersection of State Route 221 and Davis Road. Visibility was limited to a m…

Apple Valley news article sourced reports from Franklin County deputies about multiple car crashes along HWY 395 due to a dust storm along the Franklin-Adams County line.

A COOP observer in Finley reported a 69 mph gust, and several stations part of the Hanford Site mesonet reported wind gusts of at least 58 mph.

Sites a part of the Hanford Site Mesonet (Gable West and the Emergency Operations Center) recorded max wind gusts of 60 and 59 mph, respectively.

The mesonet station HARMY 14 miles north northwest of West Richland recorded a 67mph gust at 0715 PST on December 18th. The mesonet station PC048 Nine Mile Hill 14 miles southeast of Burbank measured a wind gust of 58mph at 1020 PST December 18th.

Co-op station AU155 in Prosser recorded a 73 mph gust on the evening of the 4th, and a Hanford Site station (HEOC) recorded a gust of 58 mph.

Both the Pasco and Richland ASOSs reported sub-freezing temps between 3am and 8am the morning of the 30th.

The ASOS KPSC reported at or below freezing temperatures between 0515 to 0655. The mesonet station K7KOG Kennewick reported at or below freezing temperatures between 0343 to 0549. Several other stations across the area reported temperatures at or below freezing for several hours …

The mesonet station HPROS measured a 64 mph gust at 0330 PST on Jan. 9th. The mesonet station HEOC 8 miles northwest of West Richland measured a 63 mph wind gust at 0815 PST on Jan. 9th.

The ASOS KPSC recorded temperatures at or below 32 degrees for approximately 11 hours ending at 0935 PDT. The Mesonet station KF7FMI-13 Prosser recorded temperatures at or below 32 degrees for approximately 12 hours ending at 0840 PDT. The AWOS KRLD recorded temperatures at or be…

The ASOS KPSC at the Tri-Cities airport reported at to below freezing temperatures between 0345 to 0625 PDT on April 15th. The mesonet station AW092 (K7KOG) Kennewick reported at to below freezing temperatures between 0312 to 0418 PDT on April 15th.

The ASOS at the Tri-Cities Airport, WA measured a wind gust of 68mph at 1913 PST on Feb. 20th. The mesonet station DW9572 Benton city 4 miles northwest of West Richland, WA measured a wind gust of 60mph at 2000 PST on Feb. 20th.

The ASOS KPSC measured a gust of 58 mph at 1653 on December 27th and the Mesonet PC048 measured a gust of 58 mph at 1610 on December 27th.

The Mesonet station THORS recorded wind chill values at or below -20 degrees from 2AM to 11AM December 22nd and the Mesonet station AV456 recorded wind chill values at or below -20 degrees from 4AM to 11AM December 22nd.

A social media post in Richland, Wa indicated 4 inches of new snow accumulations at 0347 PST on Dec. 5th. A Co-Op observer 8 miles north northeast of Hermiston, Or measured 4.8 inches of new snow over a 24 hour period ending at 0705 PST on Dec. 5th.

The AWOS station KRLD measured a gust of 63 mph at 0015PDT on November 5th and the mesonet station XKEL measured a gust of 59mph at 0047PDT on November 5th.

The ASOS KPSC recorded temperatures at or below freezing between 0200 PST and 0655 PST. The Hanford Meteorology Monitoring Network station HHMA recorded temperatures at or below freezing between 0230 PST and 0800 PST.

Calculated heat risk values at the Prosser, Richland, Kennewick, and Ice Harbor Dam GHCN sites recorded several days between Aug. 18th and Aug. 22nd of temperatures that met or exceeded excessive heat warning criteria.

Calculated heat risk values at the Kennewick GHCN met or exceeded excessive heat warning criteria on Aug. 9th.

Calculated heat risk values at the Richland and Kennewick GHCN sites recorded consecutive days between July 27th through Aug 1st of temperatures that met or exceeded excessive heat warning criteria.

Calculated heat risk values at the Richland and Kennewick GHCN sites recorded consecutive days between July 27th through Aug 1st of temperatures that met or exceeded excessive heat warning criteria.

The mesonet station EW5837 Kahlotus which is 1 mile southwest of Kahlotus, WA measured a peak wind gust of 63 mph at 1230 PST. The mesonet station HRMTN 10.1 NW Benton City, WA measured wind gust of 59 mph at 1430 PST.

The mesonet station EW5837 Kahlotus 1 mile southwest of Kahlotus, WA measured a 70 mph wind gust at 0930 PDT. The mesonet station DW9572 Benton City 4 miles northwest of West Richland, WA measured a 62 mph gust at 0930 PDT.

The mesonet station HWYEB 10.9 N West Richland measured a 80 mph wind gust at 0500 PST on Jan. 7th. The ASOS KPSC measured a 59 mph wind gust at 1435 PST on Jan. 7th.

A social media report indicated 6 inches of new snow accumulated in Benton City, WA at 0730 PST on Jan. 6th. A Cocorahs observer 3 miles SSW of Richland, WA measured 7.5 inches of new snow at 0700 PST on Jan. 6th.

The Gable Mountain station belonging to the Hanford Meteorological Monitoring Network (HMMN) 22 miles NNW of Richland, WA measured a peak wind gust of 78 mph at 715 PST. The EOC (HMMN) station 13 miles NW of Richland, WA measured a peak wind gust of 70 mph at 845 PST. 7 miles NNW…

The Hanford Meteorological monitoring network (HMMN) mesonet station HARMY 13.5 miles NW of West Richland, WA measured a peak wind gust of 74 mph at 1515 PST. The HMMN mesonet station HVERN measured a peak wind gust of 68 mph at 1415 PST. A couple other of the HMMN mesonet statio…

The GHCN station for Kennewick, WA recorded consecutive days between June 27th through July 1st of temperatures that met or exceeded excessive heat warning criteria. Several fatalities across Benton and Franklin counties were attributed to the heat wave during this period.

A mesonet station in Benton City, WA measured a non-tstm wind gust of 70 mph at 2:15pm PDT on March 28th. The ASOS KPSC at Tri Cities Airport, WA measured a non-tstm wind gust of 63 mph at 6:41pm PDT on March 28th.

A Cocorahs observer in SSE Prosser, WA measured 10.5 inches of snowfall in a 24 hour period ending at 9:30am PST on Feb. 13th. A social media report originating from Richland, WA measured 10 inches of snowfall at 9:05am on Feb. 13th.

A non-tstm wind gust of 76mph was measured 19 miles N of West Richland, WA at 12:45am PST on Jan. 13th. A non-tstm wind gust of 69mph was measured 8 miles NW of West Richland, WA at 5:30am PST on Jan. 13th. A social media report originating 10.8 miles N of Pasco, WA indicated tha…

A non-tstm wind gust of 62 mph was measured 1 mile SW of Kahlotus, WA at 1415 PST. A non-tstm wind gust of 70 mph was measured 8 miles NW of West Richland, WA at 1515 PST.

Pasco ASOS (KPSC) reported visibility less than 1/4 mile due to blowing dust and smoke. Visibilities were reduced for much of the day into the early evening.

Interstate 82 shut down in both directions between MP 82 and MP 88 due to fast moving wildfire east of Prosser. 2 homes and 15 outbuildings destroyed near Basin City. Railroad Bridge that crosses the Yakima River near Prosser was torched.

Remnant outflow winds produced a measured gusts to 58 and 61 mph 14 NNW and 17 NNW of West Richland, respectively.

Temperatures peaked at 113 degrees on 7/30 at Richland, WA.

Strong winds associated with a cold front resulted in extremely low visibility due to blowing dust along I-82 south of Kennewick. This resulted in numerous motor vehicle accidents and subsequent closure of the Interstate. 5 people were hospitalized with non life threatening injur…

Near Blizzard Conditions reported by law enforcement 10 S Benton City. Snow drifts several feet deep. 6 vehicles stranded and occupants rescued by sheriff deputies and fire first responders in the area of Sellards and Travis roads.

Over 150 collisions were reported by law enforcement in the Kennewick area on the 25th.

Interstate 82 was shut down south of the Tri-Cities to the Oregon border due to heavy and blowing snow reducing visibility to near zero in the Horse Heaven Hills. Mesonet stations in the area reported several hour of 40 mph (35 knot) sustained winds. The Interstate remained close…