From September 8th through September 11th a slow moving upper level low pressure with a shield of wrap around Pacific moisture passed through eastern Washington and north Idaho. Areas of moderate to locally heavy rain showers and a few thunderstorms ranged through out the region during this cool and unstable wet period.
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Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS OTX wrote it up.
From September 8th through September 11th a slow moving upper level low pressure with a shield of wrap around Pacific moisture passed through eastern Washington and north Idaho. Areas of moderate to locally heavy rain showers and a few thunderstorms ranged through out the region during this cool and unstable wet period. One of these storms produced a short lived funnel cloud near Rathdrum.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Spokane, WA wrote its last area forecast discussion before the first event at Sep 9, 9:53 AM PST, 1 hour 7 minutes earlier.
Area Forecast Discussion National Weather Service Spokane WA 1053 AM PDT Mon Sep 9 2019 .SYNOPSIS... Cool and unsettled weather will linger through at least the middle of this week. Several opportunities for precipitation will be found, along with the potential for some thunderstorms. Drier conditions are possible toward Thursday, before more shower and thunderstorm chances arrive for the end of the week. && .DISCUSSION... Update to the forecast to increase the precip chances and amounts for the Spokane and Couer D'Alene areas as slow moving rain showers impact this area. These showers will bring brief periods of heavy rain and lead to possible urban and low area flooding through the early afternoon. && .AVIATION... 18Z TAFS: An upper level low pressure system will sit over the Northwest over the next couple of days. Multiple spokes of energy will swing around and spark showers and a few low confidence thunderstorms. The boundary layer is very moist as well. Winds have switched to the southwest across the basin and Spokane Area/Palouse. Drier air is expected to mix into the region and allowing for some breaks in the clouds and improving low cloud ceilings. /JDC && .PRELIMINARY POINT TEMPS/POPS... Spokane 63 48 70 47 71 48 / 80 30 20 20 10 0 Coeur d'Alene 62 48 69 45 71 46 / 80 20 20 20 10 10 Pullman 64 45 68 43 69 43 / 30 20 40 30 20 10 Lewiston 72 53 74 53 74 53 / 30 20 30 30 20 10 Colville 64 47 73 39 77 39 / 70 60 40 40 10 0 Sandpoint 60 47 67 44 70 45 / 80 40 40 30 10 10 Kellogg 58 48 66 48 67 49 / 70 30 50 50 40 30 Moses Lake 73 50 74 49 76 48 / 40 30 30 30 0 0 Wenatchee 71 54 71 56 75 56 / 50 30 50 30 0 0 Omak 68 53 71 51 75 51 / 60 60 50 30 10 0 && .OTX WATCHES/WARNINGS/ADVISORIES... ID...None. WA...None. &&
Hazardous Weather Outlook National Weather Service Spokane WA 600 AM PDT Mon Sep 9 2019 IDZ002>004-026-027-WAZ031>033-101300- Coeur d'Alene Area-Idaho Palouse-Central Panhandle Mountains- Lewiston Area-Lewis and Southern Nez Perce Counties- Northeast Blue Mountains-Lower Garfield and Asotin Counties- Washington Palouse- 600 AM PDT Mon Sep 9 2019 This Hazardous Weather Outlook is for portions of North Idaho... North Central Idaho and Southeast Washington. .DAY ONE...TODAY AND TONIGHT No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY No hazardous weather is expected at this time. IDZ001-WAZ034>038-041>044-101300- Northern Panhandle-Moses Lake Area-Upper Columbia Basin- Spokane Area-Northeast Mountains-Okanogan Highlands- Wenatchee Area-East Slopes Northern Cascades-Okanogan Valley- Waterville Plateau- 600 AM PDT Mon Sep 9 2019 This Hazardous Weather Outlook is for portions of North Idaho... Central Washington...East Central Washington...North Central Washington and Northeast Washington. .DAY ONE...TODAY AND TONIGHT Slow moving wet thunderstorms will be possible this afternoon. These storms will be capable of heavy rainfall and the potential for localized flooding or mudslides, especially around the burn scars or steep terrain. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY Isolated thunderstorms remain possible in the mountains Tuesday and Wednesday. Storms will once again pose a risk for localized flooding or mudslides, especially around the burn scars or steep terrain.
The Spokane radar (KOTX), 54 km away, was scanning. The volume nearest the first event began at 18:58 UTC.
1 funnel cloud. Local standard time, as filed.
A brief Funnel Cloud was reported by the public to local broadcast media near Rathdrum. Time estimated from radar data.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Idaho in 2019Every state in 2019This day in weather historyWarnings in Idaho, September 2019
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 855383.