Offshore pressure gradients during the mid January freeze resulted in Santa Ana Winds and low wind chill values. The strongest winds were again felt in the Santa Ana Mountains and portions of the Inland Empire.
Every event with a place to put it; 2 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.
Offshore pressure gradients during the mid January freeze resulted in Santa Ana Winds and low wind chill values. The strongest winds were again felt in the Santa Ana Mountains and portions of the Inland Empire. Wind chill readings likely fell into the teens in the windiest, valley locations on the morning of the 15th. No reports of serious damage were received.
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 Jan 15, 3:40 AM PST, 4 hours 50 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SAN DIEGO CA 340 AM PST MON JAN 15 2007 .SYNOPSIS...HIGH PRESSURE OVER THE GREAT BASIN WILL BRING ANOTHER ROUND OF COLD NORTHEAST WINDS TODAY THROUGH TUESDAY. THE STRONGEST WINDS WILL BE THROUGH AND BELOW THE MOUNTAIN PASSES AND CANYONS. A TROUGH IS FORECAST TO MOVE DOWN THE COAST WEDNESDAY WILL DEVELOP A CUTOFF LOW THAT WILL REMAIN NEAR STATIONARY OFF THE COAST THROUGH FRIDAY. THIS SHOULD CONTINUE THE OFFSHORE FLOW. OVER THE WEEKEND THE LOW IS EXPECTED TO MOVE ONSHORE. THIS MAY BRING RAIN TO SOUTHWEST CALIFORNIA FRIDAY NIGHT THROUGH SUNDAY MORNING. && .DISCUSSION...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE... SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO COUNTIES... TEMPERATURES OVERNIGHT WERE 5 TO 10 DEGREES WARMER ABOVE 5000 FEET REFLECTING THE WARM AIR ADVECTION ALOFT THAT IS TAKING PLACE...A FEW DEGREES COOLER IN THE BASINS/LOWEST ELEVATIONS WHERE THE LINGERING DENSE COLD AIR HAS SETTLED/IS DRAINING OUT...AND IN BETWEEN MOSTLY WARMER SHOWING A WIDE RANGE OF TEMPERATURES/TRENDS DEPENDING ON IF MIXING FROM WIND WAS TAKING PLACE. CANCELLED THE FROST ADVISORY FOR ORANGE COUNTY AND THE WIND CHILL ADVISORY FOR THE SAN BERNARDINO MOUNTAINS...WILL LET THE OTHER FROST/FREEZE WARNINGS RIDE FOR NOW. WINDS WERE GUSTING OVER 50 MPH BEFORE MIDNIGHT AND HAVE TEMPORARY DIMINISHED SINCE THEN...BUT EXPECTED TO INCREASE AGAIN SHORTLY AND CONTINUE STRONG THROUGH TUESDAY MORNING. A +1040 MB SURFACE HIGH WILL REMAIN OVER THE GREAT BASIN DURING THIS PERIOD. OFFSHORE FLOW SHOULD PREVAIL THROUGH THE REMAINDER OF THE WEEK AS A CUT OFF LOW DEVELOPS TO THE SOUTHWEST. MAY NEED TO EXTEND WIND ADVISORIES/RE-ISSUE FIRE WEATHER WATCH FOR WEDNESDAY/THURSDAY. FOR THE WEEKEND...THE LAST TWO MODEL RUNS BRING SUBTROPICAL MOISTURE OVER SOUTHERN CALIFORNIA AND THE LOW ACROSS THE FORECAST AREA. HAVE INTRODUCED SLIGHT CHANCE OF RAIN FOR NOW. && .AVIATION... GUSTY OFFSHORE WINDS WILL BE THE MAIN CONCERN TODAY AND TONIGHT WITH NORTHEAST FLOW AND STRONG GUSTS NEAR AND BELOW THE MOUNTAIN PASSES AND CANYONS. THESE WINDS WILL GENERATE AREAS OF TURBULENCE...STRONG UP AND DOWN DRAFTS...AND MOUNTAIN WAVES WITH ROTORS. OTHERWISE VFR CONDITIONS WILL PREVAIL WITH CLEAR SKIES AND GENERALLY UNRESTRICTED VSBYS. && .SGX WATCHES/WARNINGS/ADVISORIES... FREEZE WARNING FOR THE INLAND VALLEYS AND LOWER DESERTS AND FROST ADVISORY FOR SAN DIEGO COUNTY COAST CONTINUE UNTIL 9 AM THIS MORNING. SEE LAXNPWSGX. HIGH WIND WARNING UNTIL 3 PM TUESDAY FOR...THE INLAND EMPIRE...SAN BERNARDINO MOUNTAINS...SANTA ANA MOUNTAINS. SEE LAXNPWSGX. WIND ADVISORY UNTIL 3 PM TUESDAY FOR...ORANGE COUNTY COAST...SAN DIEGO COUNTY VALLEYS...RIVERSIDE COUNTY MOUNTAINS...AND SAN DIEGO COUNTY MOUNTAINS. SEE LAXNPWSGX. RED FLAG WARNING UNTIL 6 PM TUESDAY FOR...THE INLAND EMPIRE...SAN DIEGO COUNTY VALLEYS...ALL MOUNTAINS. SEE LAXRFWSGX. PUBLIC/FIRE WEATHER...BALFOUR AVIATION/MARINE.......MACKECHNIE
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SAN DIEGO CA 415 AM PST MON JAN 15 2007 CAZ042-043-048-050-055>058-060>062-PZZ750-775-160000- ORANGE COUNTY COASTAL AREAS-SAN DIEGO COUNTY COASTAL AREAS-SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE-SAN DIEGO COUNTY VALLEYS-RIVERSIDE COUNTY MOUNTAINS-SANTA ANA MOUNTAINS AND FOOTHILLS-SAN DIEGO COUNTY MOUNTAINS-COACHELLA VALLEY-SAN DIEGO COUNTY DESERTS- COASTAL WATERS FROM SAN MATEO POINT TO THE MEXICAN BORDER AND OUT 30 NM- WATERS FROM SAN MATEO POINT TO THE MEXICAN BORDER EXTENDING 30 TO 60 NM OUT INCLUDING SAN CLEMENTE ISLAND- 415 AM PST MON JAN 15 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHWEST CALIFORNIA. .DAY ONE...TODAY AND TONIGHT FREEZE WARNING IS IN EFFECT FOR THE INLAND VALLEYS AND LOWER DESERTS AND A FROST ADVISORY FOR THE SAN DIEGO COASTAL AREA UNTIL 9 AM THIS MORNING. SEE LAXNPWSGX FOR DETAILS. HIGH WIND WARNING FOR THE INLAND EMPIRE...THE SAN BERNARDINO MOUNTAINS AND SANTA ANA MOUNTAINS. WIND ADVISORY FOR ORANGE COUNTY...THE SAN DIEGO COUNTY INLAND VALLEYS...AND OTHER MOUNTAIN AREAS. SEE LAXNPWSGX FOR DETAILS. RED FLAG WARNING FOR INLAND VALLEYS AND MOUNTAINS. SEE LAXRFWSGX FOR DETAILS. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SATURDAY HIGH WIND WARNING CONTINUES THROUGH 3 PM TUESDAY FOR THE INLAND EMPIRE...THE SAN BERNARDINO MOUNTAINS AND THE SANTA ANA MOUNTAINS. WIND ADVISORY CONTINUING FOR ORANGE COUNTY...SAN DIEGO COUNTY VALLEYS...AND REMAINING MOUNTAIN AREAS FOR SAME PERIOD. SEE LAXNPWSGX FOR DETAILS. RED FLAG WARNING CONTINUES THROUGH 6 PM TUESDAY FOR INLAND VALLEYS AND MOUNTAINS. SEE LAXRFWSGX FOR DETAILS. .SPOTTER INFORMATION STATEMENT...SKYWARN WEATHER ACTIVATION IS NOT REQUESTED AT THIS TIME...HOWEVER WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS. MOEDE/BALFOUR
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 2007Every state in 2007This day in weather historyWarnings in California, January 2007
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: 13775, 13776.