A Frost Warning was issued this night for California zones CAZ084/085. No frost was reported, but reported low temperatures ranged from 39 to 46, so some frost likely did occur, although it was likely isolated.
Every event with a place to put it; 2 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 episode as NWS MFR wrote it up.
A Frost Warning was issued this night for California zones CAZ084/085. No frost was reported, but reported low temperatures ranged from 39 to 46, so some frost likely did occur, although it was likely isolated.
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 Medford, OR wrote its last area forecast discussion before the first event at Jun 10, 1:30 PM PST, 1 hour 21 minutes earlier.
SOUTHWEST OREGON AND NORTHERN CALIFORNIA FORECAST DISCUSSION. NATIONAL WEATHER SERVICE MEDFORD, OR 230 PM PDT TUE JUN 10 2003 WEDNESDAY WILL BE SLIGHTLY COOLER AS THICKNESS DECREASES AND 500MB HEIGHTS FALL. THIS OCCURS AS A WEAK SHORT WAVE MOVES THROUGH NORTHERN CALIFORNIA WITH THE LIFTED INDEX LOWERING TO -1. THIS WILL BRING ISOLATED THUNDERSTORMS TO MODOC COUNTY BUT JUST CUMULUS BUILDUPS ELSEWHERE. THURSDAY A WARM FRONT BRINGS A CHANCE OF RAIN TO THE COAST AND A SLIGHT CHANCE WEST OF THE CASCADES. THE COOL DOWN CONTINUES FRIDAY AS A MARINE PUSH FOLLOWS THE WEAK COLD FRONT THURSDAY NIGHT. THE COLD FRONT ALSO CONTINUES A SLIGHT CHANCE OF RAIN WEST OF THE CASCADES. HEIGHTS RISE SLIGHTLY SATURDAY BUT LOWER AGAIN SUNDAY AS A WEAK AND MOSTLY DRY COOL FRONT COMES THROUGH. THE TROUGH ALONG THE COAST BEGINS TO DIG MONDAY REINTRODUCING A CHANCE OF PRECIP MAINLY WEST OF THE CASCADES. BY LATE WEDNESDAY THIS COULD FORM INTO A CLOSED LOW OFF THE NORTHERN CALIFORNIA COAST WITH A CHANCE OF THUNDERSTORMS IF POSITIONED PROPERLY. WILL LEAVE OUT MENTION OF THUNDER ON WEDNESDAY FOR NOW. MO .MFR...SMALL CRAFT ADVISORY CAPE BLANCO TO POINT ST. GEORGE CA.
ORZ021>031-CAZ080>085-111330- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MEDFORD OR 620 AM PDT TUE JUN 10 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHERN OREGON AND NORTHERN CALIFORNIA .DAY ONE...TODAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. GERIG
The national radar mosaic for the moment the first event began.
2 cold/wind chill. Local standard time, as filed.
See below.
See below.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in California in 2003Every state in 2003This day in weather historyWarnings in California, June 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: 5364969, 5364970.