1 flash flood, 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 29, 2:30 AM PST, 2 hours 30 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SAN DIEGO CA 230 AM PST WED DEC 29 2004 .SYNOPSIS...A COLD PACIFIC STORM WITH STRONG WINDS AND PERIODS OF RAIN...HEAVY AT TIMES...WILL GRADUALLY MOVE THROUGH THE AREA TODAY. SNOW WILL OCCUR AT THE HIGHEST ELEVATIONS. SOME THUNDERSTORMS WILL ALSO OCCUR. NUMEROUS WATCHES...WARNINGS AND ADVISORIES REMAIN IN EFFECT. THE WINDS SHOULD GRADUALLY DECREASE TODAY...WITH THE RAIN WINDING DOWN OVERNIGHT. COOL AND UNSETTLED WEATHER WILL CONTINUE WITH A CHANCE OF MORE SHOWERS THROUGH THE END OF THE WEEK. && .DISCUSSION...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE... SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO COUNTIES. VERY STRONG WINDS WITH GUSTS TO AROUND 60 MPH MOVED THROUGH MOST AREAS OVERNIGHT. LOTS OF TREE DAMAGE REPORTED. A WIND GUST OF 58 MPH FROM THE SOUTH AT 1:37 AM SET A RECORD AT LINDBERGH FIELD FOR THE MONTH OF DECEMBER. AREAS OF HEAVY RAINFALL DEVELOPED...BUT RAPID MOVEMENT OF THE SHOWERS AT ABOUT 35 KT KEPT TOTALS FROM GETTING EXCESSIVE IN MOST SPOTS. IR ENHANCEMENT CONTINUES FROM THE LA AREA SW WITH OCCASIONAL LIGHTNING STRIKES. BANDS OF RAPIDLY MOVING SHOWERS WITH BRIEF HEAVY RAINFALL..AND ISOLATED THUNDERSTORMS WILL CONTINUE THROUGH 7 AM...FOLLOWED BY A WIND SHIFT TO THE SW AND DECREASING WINDS AND SHOWERS TODAY. FLASH FLOODING AND SPOTTY WIND DAMAGE IS LIKELY THROUGH EARLY THIS MORNING WITH FLASH FLOOD WARNINGS AND HIGH WIND WARNINGS AND ADVISORIES IN EFFECT. THE UPPER LOW OFF THE COAST IS BEING FORCED INLAND BY ANOTHER BIG COLD SYSTEM DROPPING INTO THE PACIFIC NW. THIS ONE SHOULD REMAIN FARTHER TO THE NORTH BUT STRONG...SOMEWHAT UNSTABLE W FLOW WILL KEEP A CHANCE OF A FEW SHOWERS FROM TIME TO TIME INTO THE WEEKEND. THIS STORM MAY EVENTUALLY WORK S ALONG THE W COAST EARLY NEXT WEEK FOR A BETTER CHANCE OF MORE SUBSTANTIAL RAINFALL. && .SGX WATCHES/WARNINGS/ADVISORIES... ...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR ALL OF SOUTHWESTERN SAN BERNARDINO COUNTY...AND MOST OF SAN DIEGO COUNTY...INCLUDING THE BURN AREAS THROUGH 4 AM. FLASH FLOOD WATCH FOR ALL AREAS UNTIL 4 PM...SEE LAXFFASGX. FLOOD ADVISORY FOR ALL AREAS UNTIL 8 AM...SEE LAXFLSSGX. RIVER STATEMENT FOR SAN DIEGO AND SAN LUIS REY RIVERS...SEE LAXRVSSGX. WINTER STORM WARNING FOR THE SAN BERNARDINO AND RIVERSIDE COUNTY MOUNTAINS ABOVE 6500 FEET UNTIL 400 PM...SEE LAXWSWSGX. HIGH WIND WARNING FOR THE SAN BERNARDINO...RIVERSIDE AND SAN DIEGO COUNTY MOUNTAINS UNTIL NOON...SEE LAXNPWSGX. WIND ADVISORY ALL OTHER AREAS UNTIL NOON...SEE LAXNPWSGX. GALE WARNING INNER AND OUTER WATERS THIS MORNING...SEE LAXCWFSGX. MARINE WEATHER STATEMENT...SEE LAXMWSSGX. HAZARDOUS WEATHER OUTLOOK...SEE LAXHWOSGX. && JAD
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN DIEGO CA
219 AM PST WED DEC 29 2004
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0130 AM TSTM WND GST SAN DIEGO 32.72N 117.16W
12/29/2004 58 MPH SAN DIEGO CA MESONET
0145 AM TSTM WND GST JULIAN 33.07N 116.59W
12/29/2004 60 MPH SAN DIEGO CA UNKNOWN
0151 AM TSTM WND GST TEMECULA 33.50N 117.13W
12/29/2004 60 MPH RIVERSIDE CA TRAINED SPOTTER
0156 AM TSTM WND GST ALPINE 32.84N 116.76W
12/29/2004 59 MPH SAN DIEGO CA AIRPLANE PILOT
&&
SCVPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN DIEGO CA
225 AM PST WED DEC 29 2004
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0222 AM HIGH SUST WINDS SAN DIEGO 32.72N 117.16W
12/29/2004 50 MPH SAN DIEGO CA PUBLIC
WINDS IN EXCESS OF 50 MPH HAVE BROUGHT NUMEROUS TREES
DOWN THROUGHOUT THE SAN DIEGO COUNTY AREA.
&&
ECLARKPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN DIEGO CA
228 AM PST WED DEC 29 2004
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0200 AM TSTM WND GST WINCHESTER 33.71N 117.08W
12/29/2004 65 MPH RIVERSIDE CA TRAINED SPOTTER
TREES UPROOTED.
&&
SCVPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN DIEGO CA
244 AM PST WED DEC 29 2004
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0145 AM TSTM WND DMG 2 S RANCHO BERNARDO 32.99N 117.06W
12/29/2004 SAN DIEGO CA TRAINED SPOTTER
TREES, 14 INCH DIAMTER, BROEKN ABOUT 5 FEET FROM THE
GROUND, FELL ON HOUSE.
0151 AM TSTM WND DMG EL CAJON 32.80N 116.96W
12/29/2004 SAN DIEGO CA TRAINED SPOTTER
TREES BROKEN. WIND ESTIMATED GREATER THAN 50 MPH.
&&
SCVPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN DIEGO CA
317 AM PST WED DEC 29 2004
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0220 AM TSTM WND GST 2 SW MURRIETA 33.54N 117.23W
12/29/2004 60 MPH RIVERSIDE CA MESONET
0220 AM TSTM WND GST 4 SSW BIG BEAR LAKE 34.19N 116.92W
12/29/2004 65 MPH SAN BERNARDINO CA MESONET
&&
RBPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN DIEGO CA
324 AM PST WED DEC 29 2004
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0205 AM TSTM WND GST JULIAN 33.07N 116.59W
12/29/2004 69 MPH SAN DIEGO CA TRAINED SPOTTER
&&
RBThe national radar mosaic for the moment the first event began.
1 flash flood. Local standard time, as filed.
Flash Flooding occurred at Rock Springs Rd and Deep Creek Rd near Hesperia.
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: 5432654.