1 high wind, as filed by the National Weather Service.
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
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 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 Apr 27, 1:30 PM PST, 1 hour 30 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SPOKANE WASHINGTON 230 PM PDT TUE APR 27 2004 .SYNOPSIS...A VERY STRONG COLD FRONT WILL QUICKLY MOVE THROUGH THE FORECAST AREA THIS EVENING. STRONG WINDS ALONG WITH A FEW SHOWERS AND THUNDERSTORMS CAN BE EXPECTED THROUGH THE EVENING. HIGH PRESSURE WILL QUICKLY BUILD INTO THE REGION STARTING EARLY WEDNESDAY AND BUILD RIGHT INTO THE WEEKEND. DRY AND WARMER WEATHER CAN BE EXPECTED INTO THE EARLY PART OF NEXT WEEK. && .DISCUSSION... TONIGHT THROUGH THURSDAY AFTERNOON...VIGEROUS TROF CURRENTLY STARTING TO ENTER THE DISTRICT THIS AFTERNOON JUST TO THE NORTHWEST OF OKANOGAN COUNTY. PLENTY OF LIGHTNING NORTH AND WEST SO HAVE THUNDER IN THE FORECAST FOR JUST ABOUT ALL LOCATIONS THIS EVENING. THE SYSTEM IS FORECAST BY THE ETA AND THE GFS TO BE VERY STRONG AND DYNAMIC. THE THUNDER ON THE WEST SIDE OF THE CASCADES AND OVER VANCOUVER ISLAND IS PROOF OF HOW STRONG THE SYSTEM IS. WINDS WILL BE VERY STRONG AS WELL THIS EVENING...SO WE WILL CONTINUE THE WIND ADVISORY FOR ALL PLACES UNTIL 11PM. PRECIPITATION WILL BE SHORT LIVED AS LARGE AMOUNTS OF SUBSIDENCE BEHIND THE FRONT WILL DISSIPATE ANY CONVECTION. PRECIPITATION WILL BE MAINLY CONFINED TO THE SOUTHEAST PAST MIDNIGHT AS THE FRONT MOVES INTO MONTANA. WE WILL BE UNDER VERY DRY NORTHERLY FLOW WITH SUBSIDENCE ON WEDNESDAY WITH WINDS NOT AS STRONG AS WE EXPERIENCED TODAY. THE 500 MB HEIGHTS AND LOW LEVEL TEMPERATURE PROFILES REBOUND ON THURSDAY WITH THE BUILDING HIGH SO WARMER AND DRIER WEATHER IS EXPECTED. THURSDAY NIGHT THROUGH TUESDAY...PER MOST OF LATEST GFS CONTINUE THE DRY FORECAST AS EAST SIDE OF LARGE AMPLITUDE RIDGE OFF THE PACIFIC COAST BEGINS TO MOVE INTO THE AREA. FRIDAY THE RIDGE AXIS APPEARS TO BE JUST OVER THE WEST COAST AND THEN DIRECTLY OVER EASTERN WASHINGTON OVER THE REMAINDER OF THE WEEKEND. HELD OFF ON THE MARINE PUSH/BREAKDOWN OF THE RIDGE THAT APPEARS IN THE 00Z GFS RUN FOR MONDAY EVENING AND CONTINUE A DRY FORECAST. THIS PART OF THE EXTENDED FCST WARRANTS FURTHER SCRUTINY AS MORE EXTENDED MODEL RUNS COME IN. WITH ALL OF THE ABOVE IN MIND CONTINUE THE DRY FORECAST THROUGH THIS PERIOD WITH ITS ASSOCIATED WARMING TREND. && .PRELIMINARY POINT TEMPS/POPS... SPOKANE 037 059 035 065 039 069/ 40 10 00 00 00 00 COEUR DALENE 038 057 033 064 039 070/ 50 10 00 00 00 00 PULLMAN 036 056 033 063 040 068/ 50 10 00 00 00 00 LEWISTON 045 061 037 069 044 075/ 50 20 00 00 00 00 COLVILLE 038 064 036 070 038 074/ 40 10 00 00 00 00 SANDPOINT 035 057 032 065 037 068/ 60 10 00 00 00 00 WALLACE 036 051 031 061 036 066/ 70 30 00 00 00 00 MOSES LAKE 043 069 036 072 041 074/ 20 05 00 00 00 00 WENATCHEE 041 065 040 072 043 075/ 20 10 00 00 00 00 OMAK 039 064 036 072 042 074/ 20 05 00 00 00 00 && .OTX... ID...WIND ADVISORY ZONES 1-4 26,27 THROUGH 1100 PM. WA...WIND ADVISORY ZONES 31-38 41-44 THROUGH 1100 PM.
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SPOKANE WA 638 AM PDT TUE APR 27 2004 IDZ001>004-026-027-WAZ031>038-041>044-281330- NORTHERN PANHANDLE-COEUR DALENE AREA-IDAHO PALOUSE- CENTRAL PANHANDLE MOUNTAINS-LEWISTON AREA- LEWIS AND SOUTHERN NEZ PERCE COUNTIES-NORTHEAST BLUE MOUNTAINS- LOWER GARFIELD AND ASOTIN COUNTIES-WASHINGTON PALOUSE- MOSES LAKE AREA-UPPER COLUMBIA BASIN-SPOKANE AREA- NORTHEAST MOUNTAINS-OKANOGAN HIGHLANDS-WENATCHEE AREA- EAST SLOPES NORTHERN CASCADES-OKANOGAN VALLEY-WATERVILLE PLATEAU- 638 AM PDT TUE APR 27 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE AREAS LISTED ABOVE. .DAY ONE...TODAY LATE TODAY AND TONIGHT A STRONG COLD FRONT WILL PASS THROUGH THE REGION. THIS FRONT WILL BRING STRONG WESTERLY WINDS ACROSS THE COLUMBIA BASIN AND OVER EXPOSED LOCATIONS IN THE MOUNTAINS OF NORTHEAST WASHINGTON AND NORTH IDAHO...THEREFORE A WIND ADVISORY HAS BEEN ISSUED FOR THIS AFTERNOON AND EVENING. IN ADDITION THUNDERSTORMS MAY DEVELOP MAINLY OVER THE MOUNTAINS AS THIS FRONT PASSES THROUGH. HIGH TEMPERATURES ON WEDNESDAY IN THE WAKE OF THIS FRONT WILL BE 10 TO 15 DEGREES COOLER THAN TODAYS HIGHS. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
The national radar mosaic for the moment the first event began.
1 high wind. Local standard time, as filed.
During the afternoon of April 27th a cold front brought strong winds to parts of north Idaho. In the town of Ponderay a three foot diameter tree fell on a home and four smaller trees fell on another home nearby.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Idaho in 2004Every state in 2004This day in weather historyWarnings in Idaho, April 2004
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: 5395840.