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 San Diego, CA wrote its last area forecast discussion before the first event at Dec 15, 9:30 PM PST, 3 hours earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SAN DIEGO CA 930 PM PST WED DEC 15 2004 .SYNOPSIS...SURFACE HIGH PRESSURE OVER UTAH AND NEVADA COMBINED WITH NORTHEAST WINDS ALOFT WILL CAUSE LOCAL STRONG OFFSHORE WINDS...MAINLY THROUGH AND BELOW MOUNTAIN CANYONS AND PASSES INTO FRIDAY. WEAKER OFFSHORE FLOW WILL CONTINUE THROUGH THE WEEKEND. CONTINUED DRY BUT COOLER NEXT WEEK IN NORTHERLY FLOW. && .DISCUSSION...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE... SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO COUNTIES. .SHORT TERM...MOSTLY CLEAR SKIES EXCEPT FOR PATCHY DENSE FOG NEAR S COAST. THE 00Z NKX SOUNDING WAS DRY WITH NW WINDS ALOFT. OFFSHORE GRADIENTS FROM THE N WITH ABOUT -12 MB SAN-TPH. THERE WERE LOCAL STRONG GUSTY WINDS BELOW THE CAJON PASS EARLIER THIS AFTERNOON BUT THEY DECREASING EARLY THIS EVENING. THE WINDS WERE STARTING TO INCREASE AGAIN TONIGHT BELOW THE CAJON PASS AND IN THE SNA MOUNTAINS. INCREASING GRADIENT...THERMAL AND UPPER SUPPORT FOR OFFSHORE WINDS INTO THU. THE THERMAL SUPPORT WEAKENS A LITTLE FRI BUT THE UPPER WINDS AND OFFSHORE GRADIENTS REMAIN STRONG. THIS SHOULD BRING LOCAL STRONG GUSTY NORTHEAST TO EAST WINDS...MAINLY THROUGH AND BELOW MOUNTAIN CANYONS AND PASSES AND ALSO IN THE NRN COACHELLA VALLEY. THE STRONGEST WINDS WILL BE THURSDAY AND FRIDAY MORNINGS. THE CURRENT WIND WARNINGS AND ADVISORIES LOOK OK...ALTHOUGH THE ADVISORIES IN THE ORANGE COUNTY COASTAL AREAS AND INLAND SAN VALLEYS MAY EVENTUALLY HAVE TO BE UPGRADED TO WARNINGS. THE WINDS DECREASE FRI AFTERNOON. THE WINDS WILL BRIEFLY REDEVELOP SAT MORNING...BUT NOT AS STRONG. WARM DAYS W OF THE MOUNTAINS. .LONG TERM...WEAK UPPER LEVEL LOW PRESSURE AND WEAKER OFFSHORE FLOW WILL RESULT IN COOLING SUN. THERE WILL STILL BE SOME LOCALLY WINDY CONDITIONS IN AND NEAR THE MOUNTAINS. ANOTHER SURFACE HIGH BUILDS IN ACROSS NRN CA AND THEN INTO THE INTERIOR THROUGH THE MIDDLE OF NEXT WEEK. HOWEVER...OFFSHORE WINDS SHOULD REMAIN WELL BELOW ADVISORY STRENGTH MON THROUGH MID WEEK. DRY N TO NW WINDS ALOFT DURING THIS PERIOD. THIS WILL CONTINUE MOSTLY CLEAR SKIES WITH ONLY SMALL TEMP CHANGES. && .SGX WATCHES/WARNINGS/ADVISORIES... HIGH WIND WARNINGS FOR THE MOUNTAINS AND INLAND EMPIRE AND WIND ADVISORIES FOR THE ORANGE COUNTY COASTAL AREAS...SAN DIEGO INLAND VALLEY AND COACHELLA VALLEY UNTIL 200 PM FRIDAY...SEE LAXNPWSGX. && ATKIN
HAZARDOUS WEATHER OUTLOOK FOR EXTREME SOUTHWESTERN CALIFORNIA...UPDATED NATIONAL WEATHER SERVICE SAN DIEGO CA 245 PM PST WED DEC 15 2004 CAZ042-043-048-050-055-056-057-058-061-161400- ORANGE COUNTY COASTAL AREAS- SAN DIEGO COUNTY COASTAL AREAS- SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE- SAN DIEGO COUNTY VALLEYS- SAN BERNARDINO COUNTY MOUNTAINS- RIVERSIDE COUNTY MOUNTAINS- SANTA ANA MOUNTAINS AND FOOTHILLS- SAN DIEGO COUNTY MOUNTAINS- COACHELLA VALLEY- 245 PM PST WED DEC 15 2004 .DAY ONE... TODAY AND TONIGHT. DEVELOPING OFFSHORE FLOW WILL CAUSE LOCAL STRONG GUSTY WINDS. AS A RESULT...HIGH WIND WARNINGS ARE IN EFFECT OR THE MOUNTAINS AND INLAND EMPIRE AND WIND ADVISORIES ARE IN EFFECT FOR THE ORANGE COUNTY COASTAL AREAS...SAN DIEGO INLAND VALLEYS AND COACHELLA VALLEY TONIGHT UNTIL 200 PM FRIDAY. LOCAL NORTHEAST TO EAST WINDS 20 TO 40 MPH WITH GUSTS TO OVER 60 MPH ARE EXPECTED...MAINLY THROUGH AND BELOW CANYONS AND PASSES. PEOPLE SHOULD WATCH FOR BROKEN TREE LIMBS...DOWNED TREES AND DOWNED POWER LINES. THERE COULD ALSO BE TRAFFIC SIGNAL OUTAGES AND LOCAL VISIBILITY REDUCED IN BLOWING DUST AND SAND. SEE LAXNPWSGX FOR DETAILS. ABOVE NORMAL SURF AND STRONG RIP CURRENTS ARE EXPECTED THURSDAY THROUGH SATURDAY. .DAYS TWO THROUGH SEVEN... THURSDAY THROUGH TUESDAY. THE STRONG AND POTENTIALLY DAMAGING OFFSHORE WINDS WILL CONTINUE THROUGH AND BELOW MOUNTAIN CANYONS AND PASSES INTO FRIDAY...DECREASING FRIDAY AFTERNOON. WEAKER OFFSHORE WINDS WILL CONTINUE THROUGH THE WEEKEND. ABOVE NORMAL SURF AND STRONG RIP CURRENTS WILL CONTINUE THROUGH SATURDAY. ATKIN
The national radar mosaic for the moment the first event began.
1 high wind. Local standard time, as filed.
Winds at Fremont Canyon gusted over 58 mph for all but three hours between 1230 AM and 830 PM. A peak gust of 78 mph was observed at 830 AM. The peak sustained wind of 51 mph was observed at 730 AM.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in California in 2004Every state in 2004This day in weather historyWarnings in California, December 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: 5431483.