Strong northwest to north winds developed across the mountains of Southern California. The strongest winds were reported through the Interstate 5 corridor and the Santa Ynez range.
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 LOX wrote it up.
Strong northwest to north winds developed across the mountains of Southern California. The strongest winds were reported through the Interstate 5 corridor and the Santa Ynez range. Sustained winds between 40 and 46 MPH were reported along with gusts between 61 and 67 MPH.
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 May 10, 9:25 PM PST, 2 hours 40 minutes earlier.
SOUTHWEST CALIFORNIA AREA FORECAST DISCUSSION...UPDATED NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 1025 PM PDT MON MAY 10 2010 UPDATED AVIATION SECTION .SYNOPSIS... A COLD AND VIGOROUS STORM SYSTEM WILL PUSH JUST NORTH OF THE AREA OVERNIGHT...BRINGING LIGHT SHOWERS TO THE CENTRAL COAST THIS EVENING...AND STRONGER WINDS TO PORTIONS OF SOUTHERN CALIFORNIA AND CONTINUING THROUGH TUESDAY NIGHT. SCATTERED SNOW SHOWERS ARE ALSO POSSIBLE ACROSS NORTH FACING MOUNTAIN SLOPES. OTHERWISE...DRY WEATHER IS GENERALLY FORECAST THROUGH THE WEEK. COOL WEATHER WILL CONTINUE TOMORROW...THEN GRADUALLY WARM THROUGH THE WEEK. && .UPDATE... A FEW SHOWERS HAVE DEVELOPED ALONG THE REMNANT FRONTAL BAND PUSHING OVER THE NORTHERN PORTION OF THE AREA CURRENTLY. THE FRONT WILL CONTINUE TO WEAKEN THIS EVENING AND FALL APART AT POINT CONCEPTION. LATEST NAM-WRF SOLUTIONS INDICATE BEST 850 MB MIXING RATIOS AROUND 5 G/KG OVER THE NORTHERN PORTION OF THE AREA...ENOUGH MOISTURE TO CREATE PRECIPITATION. MAIN CONCERN WITH THIS STORM SYSTEM IS THE WINDS. LATEST WATER VAPOR IMAGERY INDICATES SUBSIDENCE BUILDING IN OVER CENTRAL CALIFORNIA THIS EVENING AS THE COLD AIR SUPPORT PUSHES SOUTH INTO THE AREA. WINDS WILL CONTINUE TO INCREASE THROUGHOUT TONIGHT AS THE COLD AIR SUPPORT ARRIVES BEHIND THE FRONT. KSBA-KSMX GRADIENTS HAVE RELAXED SOME OVER THE LAST COUPLE HOURS...BUT SOME SUPPORT SHOULD ARRIVE BEHIND THE BOUNDARY WITHIN THE NEXT COUPLE OF HOURS...INCREASING WINDS AGAIN. WIND ADVISORIES AND WIND WARNINGS SEEMS AGREEABLE FOR THE PATTERN...BUT THERE IS SOME POSSIBILITY THAT STRONG WINDS COULD DEVELOP OVER THE SANTA MONICA RANGE LATE TONIGHT. THE LATEST NAM-WRF SOLUTIONS INDICATE 20 KNOTS AT 950 MB BY LATE TONIGHT...WITH LOCAL 4-KM WRF SOLUTIONS MUCH MORE AGGRESSIVE WITH THE WINDS. BOUNDARY LAYER WINDS INCREASE TO 20 KNOTS IN THE BOUNDARY LAYER...WITH 25 TO 30 KNOTS AT 950 MB. SOME WIND HEADLINES WILL BE REEVALUATED SHORTLY AND AN ADVISORY MAY BE ISSUED. TUESDAY LOOKS TO BE A BREEZY DAY...WITH GALE WARNINGS FOR THE COASTAL WATERS AND ADVISORIES LIKELY NEEDED TO EXPANDED FOR THE COASTAL SECTIONS FOR TUESDAY AFTERNOON. && .PREV DISCUSSION... SHORT TERM... AS THE LOW LEVEL FLOW BEGINS TO TURN WEAKLY OFFSHORE ON WEDNESDAY MORNING...LOOK FOR AIR MASS TO BEGIN MODIFYING. WARMING TREND ON TAP FOR MOST AREAS...WITH SOME VALLEY AREAS EXPECTED TO CLIMB BACK INTO THE LOWER 80S. ANOTHER WEAK UPPER LOW WILL TRACK DOWN THE COAST OF CALIFORNIA ON THURSDAY AND BRING A FEW CLOUDS...OTHERWISE VERY LITTLE IMPACT ON OUR WEATHER. LONG TERM... TEMPERATURES ARE EXPECTED TO CONTINUE NUDGING UPWARD ON FRIDAY ACROSS INLAND AREAS AS THICKNESS VALUES CONTINUE TO RISE. THE WARMEST DAY FOR MANY AREAS WILL LIKELY BE SATURDAY AS A WEAK UPPER LEVEL RIDGE OF HIGH PRESSURE BUILDS OVER SOUTHERN CALIFORNIA. A WEAK UPPER LEVEL TROUGH OF LOW PRESSURE COULD BRING SOME CLOUDS AND A COOLING TREND TO THE REGION BY MONDAY. && .AVIATION...11/0525Z. MOSTLY VFR CONDS THRU THE PERIOD EXCEPT FOR LOCAL MVFR CIGS ACROSS SLO AND SBA COUNTIES...AND IFR TO LIFR CONDS ON THE NRN SLOPES. GUSTY WEST TO NORTH WINDS ACROSS MUCH OF THE REGION...ESPECIALLY THU AFTERNOON AND EVENING. THERE WILL LIKELY BE SOME LLWS NEAR KSBA...KBUR AND KVNY AT TIMES THROUGH TUE. KLAX...MODERATE TO HIGH CONFIDENCE IN TAF. THERE IS A 20 PERCENT CHANCE OF MVFR CONDITIONS BETWEEN 10Z AND 16Z TONIGHT. STRONG WEST WINDS EXPECTED TO BEGIN BETWEEN 17Z AND 20Z. KBUR...MODERATE CONFIDENCE IN TAF. THERE IS A 20 PERCENT CHANCE OF MVFR CONDITIONS BETWEEN 10Z AND 16Z TONIGHT. WINDS WILL LIKELY BE ERRATIC...BUT IN GENERAL EXPECT GUSTY NW WINDS BY MID MORNING. THERE IS A 20 PERCENT CHANCE THAT WINDS WILL SHIFT TO S IN THE AFTERNOON. && .LOX WATCHES/WARNINGS/ADVISORIES... HIGH WIND WARNING (SEE LAXNPWLOX). WIND ADVISORY (SEE LAXNPWLOX). GALE WARNING (SEE LAXMWWLOX). SMALL CRAFT ADVISORY (SEE LAXMWWLOX). HIGH RIP CURRENT RISK (SEE LAXSRFLOX). && PUBLIC...HALL/GOMBERG AVIATION...DB SYNOPSIS...HALL WWW.WEATHER.GOV/LOSANGELES
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 300 PM PDT MON MAY 10 2010 CAZ034>041-044>046-051>054-059-087-088-547-548-111300- 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- 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- LOS ANGELES COUNTY SAN FERNANDO VALLEY- LOS ANGELES COUNTY SAN GABRIEL VALLEY- 300 PM PDT MON MAY 10 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHWESTERN CALIFORNIA. .DAY ONE... TODAY STRONG WEST TO NORTHWEST WINDS WILL CREATE HAZARDS FOR HIGH PROFILE VEHICLES ACROSS PORTIONS OF SOUTHERN CALIFORNIA THIS AFTERNOON AND EVENING...WITH ADVISORIES CURRENTLY IN EFFECT. THE WINDS WILL ALSO CREATE CLOUDS OF BLOWING SAND AND DUST IN THE ANTELOPE VALLEY WHICH WILL LIMIT VISIBILITIES AT TIMES TO A MILE OR LESS. WINDS ARE EXPECTED TO INCREASE AND TURN MORE NORTHERLY AFTER MIDNIGHT WITH DAMAGING GUSTS TO 60 MPH AT TIMES IN THE MOUNTAINS. THERE WILL ALSO BE A CHANCE OF SNOW SHOWERS ACROSS NORTH FACING SLOPES LATER TONIGHT...INCLUDING INTERSTATE 5 NEAR THE GRAPEVINE. BEACH GOERS WILL FACE DANGEROUS RIP CURRENTS. SMALL CRAFT WILL FACE HAZARDOUS GALE FORCE WINDS BOTH OVER THE INNER AND OUTER WATERS. * HIGH WIND WARNING..........SEE WWUS76 KLOX - NPWLOX FOR DETAILS * * WIND ADVISORY..............SEE WWUS76 KLOX - NPWLOX FOR DETAILS * * GALE WARNING...............SEE WHUS76 KLOX - MWWLOX FOR DETAILS * * HIGH RIP CURRENT RISK......SEE FZUS56 KLOX - SRFLOX FOR DETAILS * .DAYS TWO THROUGH SEVEN... TUESDAY THROUGH SUNDAY DAMAGING WIND GUSTS WILL CONTINUE IN THE MOUNTAINS THROUGH TUESDAY NIGHT...ESPECIALLY ALONG THE INTERSTATE 5 CORRIDOR. STRONG WINDS WILL CREATE HAZARDS FOR HIGH PROFILE VEHICLES AND POTENTIAL PROPERTY DAMAGE. THE WINDS WILL ALSO CREATE CLOUDS OF BLOWING DUST IN THE ANTELOPE VALLEY WHICH WILL LIMIT VISIBILITIES AT TIMES TO A MILE OR LESS. COASTAL AND VALLEYS WILL SEE BREEZY CONDITIONS AS WELL ON TUESDAY. ADDITIONAL SNOW SHOWERS WILL BE POSSIBLE ALONG INTERSTATE 5 NEAR THE GRAPEVINE IN THE MORNING. BEACH GOERS WILL FACE DANGEROUS RIP CURRENTS. SMALL CRAFT WILL FACE HAZARDOUS GALE FORCE WINDS BOTH OVER THE INNER AND OUTER WATERS. FROM WEDNESDAY ONWARD NO HAZARDS ARE FORECAST. * HIGH WIND WARNING..........SEE WWUS76 KLOX - NPWLOX FOR DETAILS * * WIND ADVISORY..............SEE WWUS76 KLOX - NPWLOX FOR DETAILS * * GALE WARNING...............SEE WHUS76 KLOX - MWWLOX FOR DETAILS * .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. GOMBERG
3 high wind. Local standard time, as filed.
Gusty northwest to north winds developed across the mountains of Los Angeles county through the Interstate 5 corridor. The ASOS at Sandberg reported sustained winds between 44 and 46 MPH.
Gusty northwest to north winds developed across the mountains of Ventura county through the Interstate 5 corridor. Sustained winds between 44 and 46 mph were reported in the area.
Gusty northwest to north winds developed across the Santa Ynez range in southern Santa Barbara county. The Montecito RAWS sensor reported sustained winds between 44 and 46 MPH along with gusts between 61 and 67 MPH.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in California in 2010Every state in 2010This day in weather historyWarnings in California, May 2010
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: 224438, 224439, 224437.