1 winter storm, 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 Boise, ID wrote its last area forecast discussion before the first event at Mar 17, 3:50 AM MST, 2 hours 10 minutes earlier.
SOUTHWEST IDAHO/SOUTHEAST OREGON AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BOISE IDAHO 350 AM MST MON MAR 17 2003 ISOLATED SHOWERS CONTINUED AFTER MIDNIGHT IN OUR OREGON CWFA BUT AT PRESENT APPEAR TO HAVE DISSAPATED THERE DUE TO LOW LEVEL COOLING AND STABILIZING. MAY BE ASSOCIATED WITH WEAK SHORTWAVE TROUGH ALOFT IN SOUTHERN BRANCH OF SPLIT FLOW. THIS SLOWLY MOVING SOUTHEAST CONTINUING ISOLATED SHOWERS OVER NEVADA. RADAR ALSO PICKING UP A COUPLE ECHOES IN SOUTHWEST OWYHEE COUNTY IDAHO. ADEQUATE MOISTURE AND INSTABILITY BY THIS AFTERNOON FOR MORE WIDESPREAD BUT STILL ISOLATED SHOWERS MAINLY SOUTHWEST IDAHO AND SOUTHEAST OREGON ENDING THIS EVENING. THEN REMAINING DRY UNDER SPLIT FLOW THROUGH WEDNESDAY WITH NEAR NORMAL TEMPERATURES. FLOW CONSILIDATES BY THURSDAY WITH NEGATIVE TILT UPPER LEVEL TROUGH MAKING ITS WAY INLAND. THIS USHERS IN ANOTHER UNSETTLED PERIOD WITH CHANCE SHOWERS EACH DAY THROUGH THE EXTENDED PERIOD. MADE NO CHANGES IN THE EXTENDED FORECAST FROM THE AFTERNOON ZONES. /JT .BOI...NONE. =
IDZ011>016-028>030-ORZ061>064-181300- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BOISE IDAHO 600 AM MST MON MAR 17 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHWEST IDAHO AND SOUTHEAST OREGON. .DAY ONE...TODAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .INSTRUCTIONS TO SPOTTERS... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
The national radar mosaic for the moment the first event began.
1 winter storm. Local standard time, as filed.
A very localized weather system over northern Harney County dropped 4 to 16 inches of snow.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Oregon in 2003Every state in 2003This day in weather historyWarnings in Oregon, March 2003
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: 5345019.