1 heavy snow, as filed by the National Weather Service.
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 Los Angeles, CA wrote its last area forecast discussion before the first event at Mar 1, 8:00 PM PST, 2 hours earlier.
SOUTHWEST CALIFORNIA AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 800 PM PST MON MAR 1 2004 .SHORT TERM...COLD UPPER LOW CENTERED JUST NORTH OF SAN FRANCISCO WILL CONTINUE TO TRACK SOUTHWARD DOWN THE COAST OVERNIGHT. WATER VAPOR IMAGERY HAS UPPER LOW CENTER CLOSER TO THE COAST THAN 00Z MESO-ETA SOLUTION...WHICH MAY HELP PROVIDE BETTER DYNAMICS AND OVER-WATER TRAJECTORY AS THE SYSTEM TRACKS SOUTHWARD OVERNIGHT. CURRENT SATELLITE AND DOPPLER RADAR IMAGERY HAVE THE MAIN RAINFALL BAND ACROSS LOS ANGELES AND ORANGE COUNTIES. MOST OF THE RAINFALL HAS BEEN LIGHT TO MODERATE INTENSITY...BUT SOME LOCALLY HEAVY RAIN HAS FALLEN ACROSS EASTERN LA COUNTY...WHERE LOCAL RAINFALL RATES OVER ONE THIRD OF AN INCH PER HOUR HAVE BEEN RECORDED BY AUTOMATED RAIN GAUGES. JET STREAK NEAR 31N/124W HAS PROVIDED SOME INTENISIFCATION OF RAIN BAND...WITH SOME COOLING OF CLOUD TOPS NOTED ON INFRARED SATELLITE IMAGERY. FAVORABLE LOW LEVEL SOUTHERLY FLOW STILL BEING DETECTED ON SULPHUR MOUNTAIN DOPPLER RADAR...HELPING TO SUPPORT ADDITIONAL SHOWER ACTIVITY ACROSS VENTURA AND SOUTHERN SBA COUNTIES. AS THE UPPER LOW CONTINUES TO TRACK SOUTHWARD OVERNIGHT...THERE WILL BE SUBSTANTIAL COLD AIR ADVECTION ALOFT... WHICH WILL HELP TO DESTABILIZE THE ATMOSPHERE. 500 MB TEMPERATURES FALL TO -29 DEGREES CELISUS...WHILE LIFTED INDICES LOWER TO 0 TO -2. THIS CERTAINLY SUPPORTS THE IDEA OF A SLIGHT CHANCE OF THUNDERSTORMS OVERNIGHT...WITH THE POSSIBILITY OF BRIEF HEAVY DOWNPOURS AND SMALL HAIL. UPPER LOW EXPECTED TO TRACK SOUTHWARD OVER THE AREA BETWEEN 12Z AND 15Z TUESDAY...SLIDING SOUTH INTO SAN DIEGO BETWEEN 18Z AND 21Z TUESDAY. MODELS SHOWING RESIDUAL WRAP AROUND MOISTURE AND INSTABILITY THROUGH TUESDAY AFTERNOON... SO WILL KEEP 20 TO 30 PERCENT POPS ACROSS THE REGION...WITH LIKELY POPS GOING IN THE MOUNTAINS. THE SNOW LEVEL IS AROUND 4500 FEET THIS EVENING...BUT IS EXPECTED TO LOWER TO AROUND 3500 FEET BY EARLY TUESDAY MORNING. SNOW ADVISORIES ARE IN EFFECT THROUGH TUESDAY AFTERNOON FOR THE MOUNTAINS OF VENTURA AND LOS ANGELES COUNTIES...WHERE TOTAL SNOWFALL ACCUMULATIONS OF 4 TO 8 INCHES WILL BE POSSIBLE. WITH SUCH LOW SNOW LEVELS...THERE IS A GOOD CHANCE OF SNOW ACCUMULATING ON INTERSTATE 5 NEAR THE GRAPEVINE. NORTH TO NORTHEAST FLOW WILL SETUP TUESDAY NIGHT THROUGH WEDNESDAY... CAUSING SOME NEAR ADVISORY LEVEL WINDS IN THE MOUNTAINS AND POSSIBLY THE VALLEYS AS WELL. .LONG TERM...LOOKS LIKE WE MIGHT BE IN FOR A LONG SPELL OF DRY WEATHER AFTER TUESDAY. AFTER A MUCH WARMER DAY ON WEDNESDAY, TEMPS WILL LEVEL OFF THURSDAY AND FRIDAY BEFORE WARMING UP FURTHER OVER THE WEEKEND. BY SUNDAY WE COULD SEE HIGHS WELL INTO THE 70S IN OUR WARMER VALLEYS. && .LOX WATCHES/WARNINGS/ADVISORIES... SMALL CRAFT ADVISORY (SEE LAXCWFLOX). SNOW ADVISORY (SEE LAXWSWLOX). && GOMBERG/WOFFORD
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 600 AM PST MON MAR 1 2004 CAZ034>041-044>047-051>054-059-087-088-021400- SAN LUIS OBISPO COUNTY CENTRAL COAST- SANTA BARBARA COUNTY CENTRAL COAST-SANTA YNEZ VALLEY- SAN LUIS OBISPO COUNTY INTERIOR VALLEYS-CUYAMA VALLEY- SANTA BARBARA COUNTY SOUTH COAST-VENTURA COUNTY COAST- LOS ANGELES COUNTY COAST INCLUDING DOWNTOWN LOS ANGELES- VENTURA COUNTY INTERIOR VALLEYS-VENTURA COUNTY COASTAL VALLEYS- SANTA MONICA MOUNTAINS RECREATIONAL AREA- LOS ANGELES COUNTY VALLEYS-SAN LUIS OBISPO COUNTY MOUNTAINS- SANTA BARBARA COUNTY MOUNTAINS-VENTURA COUNTY MOUNTAINS- LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE- ANTELOPE VALLEY-CATALINA ISLAND-SANTA CLARITA VALLEY- 600 AM PST MON MAR 1 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHWESTERN CALIFORNIA. .DAY ONE... TODAY RAIN WILL LIKELY OVERSPREAD THE AREA TODAY. THE RAINFALL RATES WILL NOT MEET FLASH FLOOD CRITERIA. THE SNOW LEVEL WILL START OUT AT 5500 FEET AND DROP TO 4500 FEET OVERNIGHT. A SLIGHT CHANCE OF THUNDERSTORMS WILL DEVELOP OVERNIGHT. .DAYS TWO THROUGH SEVEN... TUESDAY THROUGH SUNDAY TUESDAY MORNING WILL HAVE A CHANCE OF SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. SUNDOWNERS ARE POSSIBLE TUESDAY NIGHT AND WEDNESDAY MORNING. THERE IS CHANCE THAT A SANTA ANA WILL DEVELOP FRIDAY MORNING...OTHERWISE NO OTHER HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. RORKE
1 heavy snow. Local standard time, as filed.
A powerful winter storm brought heavy snow to the mountains of Los Angeles County. Ski resorts reported between 12 and 24 inches of new snowfall with the storm.
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, March 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: 5387669.