A semi-tractor trailer rig was blown over at the Interstate 15 and State Highway60 interchange in Ontario. A 24 foot research boat, eight miles west of Newport Beach was capsized by 5 foot waves whipped up by the strong offshore winds.
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 episode as NWS SGX wrote it up.
A semi-tractor trailer rig was blown over at the Interstate 15 and State Highway60 interchange in Ontario. A 24 foot research boat, eight miles west of Newport Beach was capsized by 5 foot waves whipped up by the strong offshore winds.
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 Nov 27, 3:00 AM PST, 6 hours earlier.
EXTREME SOUTHWESTERN CALIFORNIA AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SAN DIEGO CA 300 AM PST TUE NOV 27 2001 .SYNOPSIS...UPPER LEVEL LOW PRESSURE NEAR THE FOUR CORNERS AND SURFACE HIGH PRESSURE OVER THE GREAT BASIN WILL COMBINE TO BRING STRONG SANTA ANA WINDS TO SOUTHWEST CALIFORNIA TODAY...GRADUALLY DECREASING TONIGHT THROUGH WEDNESDAY MORNING. PACIFIC STORMS MOVING INLAND ALONG THE WEST COAST WILL BRING RAIN AND HIGHER ELEVATION SNOW TO SOUTHWEST CALIFORNIA THURSDAY AFTERNOON AND NIGHT AND SUNDAY NIGHT AND MONDAY. .DISCUSSION...SERIES OF POTENT SHORTWAVES...EMBEDDED IN FAST FLOW ACROSS THE PAC...WL CONTINUE TO MOVE ONSHORE ALG THE W CST DURG THE NEXT WEEK...WITH VARYING IMPACTS ON SRN CA. BLEND OF ECWMF/AVN/MRF SEEMS THE WAY TO GO GIVEN THE INHERENT TIMING/INSTENSITY UNCERTAINTIES WITH THIS FLOW PATTERN. IN THE NR TERM...WINDS ARE THE THE MIAN CONCERN. MDT TO STG OFSHR FLOW PATTERN TO BRING FIRST SIGNIFICANT OFSHR FLOW EVENT OF THE SEASON TO SW CA TODAY THRU WED MORNING. WINDS WL BE STRONGEST TODAY IN THE INLAND INLAND EMPIRE AND SANTA ANA MTNS AND FOOTHILLS. SUPPORT WKNS SOME TONIGHT...BUT ADV LVL WNDS ARE LIKELY TO CONTINUE TONIGHT THROUGH WED MORNING. PATTERN TODAY IS IDEAL FOR STRONG WINDS WITH MDT TO STG WINDS ALF...MDT LOW LVL THERMAL AND OFFSHORE PRESSURE GRADIENTS...STRONG CONVERGENCE ALF ASSOCD WITH RIGHT FRONT EXIT REGION OF UPR LVL JET TO BRING DEEP LYRD SUBSIDENCE ACROSS SRN CA AIDING IN DOWNWARD TRANSPORT OF STGR WINDS ALF...AND STRONG INVERSION NR 10K FT...RDG TOP LVL...TO AID IN MTN WAVE DEVELOPMENT. RECENT ACARS SOUNDINGS FROM ONT SHOW WINDS OF 40 TO 45 KT JUST ABV THE SURFACE. THESE WINDS WL BE ABLE TO MIX DOWN AFTER SUNRISE TO BRING WIDESPREAD WINDS TO 30 TO 40 MPH TO THE INLAND EMPIRE WITH WIND GUSTS TO NEAR 75 MPH BELOW CAJON PASS. TIMING IN CURRENT ZONES FOR RAIN CHANCES LOOKS GOOD BASED ON CURRENT GUIDANCE...LATE THU OR THU NIGHT INTO EARLY FRI...THEN SUN NIGHT OR MON. SYS FOR THU LOOKS COMPARABLE...BUT SLIGHTLY WKR THAN THE EVENT THIS PAST SAT/SAT NIGHT. .SAN...HIGH WIND WARNINGS AND WIND ADVISORIES...SEE LAXNPWSAN. MARTIN
The national radar mosaic for the moment the first event began.
2 high wind. Local standard time, as filed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in California in 2001Every state in 2001This day in weather historyWarnings in California, November 2001
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: 5272546, 5272547.