California, 2014

Debris Flow and Flooding in California, March 1 to 2, 2014

March 1 to 2, 2014 · NWS SGX · 6 events in 5 counties and zones

The strong upper level low pressure system that brought damaging wind and flooding on February 28, continued to produce bands of rain and snow, along with gusty winds through March 1. The majority of the flooding occurred on February 28th, but minor street flooding was still being reported from continued rain on March 1 from Riverside to Vista and San Diego as areas of heavy rain occurred during…

Where it happened

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.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

Open the live radar over this ground

The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
6

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.

What happened

The episode as NWS SGX wrote it up.

The strong upper level low pressure system that brought damaging wind and flooding on February 28, continued to produce bands of rain and snow, along with gusty winds through March 1. The majority of the flooding occurred on February 28th, but minor street flooding was still being reported from continued rain on March 1 from Riverside to Vista and San Diego as areas of heavy rain occurred during the morning of March 1st and then was followed by a continuous line of heavy showers and isolated thunderstorms late in the afternoon. Additional rain on March 1 resulted in flooding in Oceanside, Temecula, Sea World San Diego, as well as minor street flooding in Mission Viejo and a few other locations. Road closures remained in effect near Forest Falls due to a major debris flow that occurred the afternoon and evening of February 28th. Numerous power outages continued into the 1st for many residents in the San Bernardino County mountains as well. Up to 8 inches of snow was reported in the San Bernardino County mountains as well. Strong onshore winds combined with a large west-southwest swell to generate high surf along the San Diego and Orange County beaches with strong rip currents on the 1st as well.

What forecasters said that day

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 Feb 28, 9:45 PM PST, 2 hours 15 minutes earlier.

Area forecast discussion, Feb 28, 9:45 PM PST, 2 hours 15 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN DIEGO CA
945 PM PST FRI FEB 28 2014

.SYNOPSIS...
SHOWERS FROM A STRONG PACIFIC STORM WILL CONTINUE THROUGH SATURDAY
EVENING WITH PERIODS OF HEAVY RAIN AND ISOLATED THUNDERSTORMS. THE
STORM WILL MOVE ACROSS SOUTHERN CALIFORNIA SATURDAY NIGHT WITH
SHOWERS ENDING IN MOST AREA SUNDAY. DRY WITH A WARMING TREND EARLY
NEXT WEEK WITH HIGH PRESSURE BUILDING ALOFT.

&&

.DISCUSSION...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE...
SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO
COUNTIES...

A WAVE OF WARM SECTOR RAINS DRENCHED SOUTHERN CALIFORNIA FRIDAY WITH
OVER 5 INCHES OF RAIN IN THE MOUNTAINS. THE HIGHEST TOTAL SO FAR IS
8.58" AT YUCAIPA RIDGE IN THE SAN BERNARDINO MOUNTAINS. A COMPLETE
RAINFALL SUMMARY IS HEADLINED ON OUR WEBPAGE.

THIS STORM IS FAR FROM OVER. THE PARENT LOW IS STILL 500 MILES
NORTHWEST OF POINT CONCEPTION...AND EMBEDDED SHORTWAVES AND DEEP
MOIST SOUTHWEST FLOW AHEAD OF THIS LOW WILL CONTINUE ACROSS SOCAL
THROUGH SATURDAY EVENING. RAIN AND HIGH ELEVATION SNOW WILL BE MORE
OR LESS CONTINUOUS IN THE MOUNTAINS DUE TO THE PERSISTENT MOIST
SOUTHWEST FLOW OVER THE NEXT 24 HOURS.

A STRONG SHORTWAVE TREKKING ACROSS SOCAL SATURDAY COUPLED WITH A
SECONDARY SURGE OF HIGHER PWATS WILL BRING MORE WIDESPREAD SHOWERS
AND ISOLATED THUNDERSTORMS TOMORROW. FLASH FLOOD CONCERNS WILL
CONTINUE IN THE MOUNTAINS AND THE BURN AREAS...ESPECIALLY WITH
TRAINING ECHOES OVER THE MOUNTAINS AND FOOTHILLS...AND WITH THE
HIGHER RAINFALL INTENSITIES ASSOCIATED WITH SQUALLS.

SNOW LEVELS HAVE LOWERED TO BETWEEN 5500-6000 FEET THIS EVENING. THE
WEBCAMS ARE SHOWING STEADY HEAVY SNOW IN THE SAN BERNARDINO
MOUNTAINS THIS EVENING. SNOW WILL CONTINUE UNABATED THROUGH SATURDAY
WHERE A WINTER STORM WARNING REMAINS IN EFFECT ABOVE 6000 FEET.

SATURDAY NIGHT...THE THROUGH AXIS DRIFTS EAST ACROSS SOCAL LATE
SATURDAY NIGHT WITH ANY LINGERING SHOWERS TAPERING OFF ON SUNDAY AND
MOSTLY CONFINED TO THE MOUNTAINS SUNDAY AFTERNOON/EVENING.

A RIDGE OF HIGH PRESSURE BUILDS OVER THE SOUTHWEST MONDAY THROUGH
WEDNESDAY FOR DRY...WARMER WEATHER EARLY NEXT WEEK.

&&

.AVIATION...
282115Z...MULTIPLE LOW CLOUD LAYERS...WITH CIGS FROM 700-3000 FT
MSL..WILL CONTINUE THROUGH SAT AS SHRA MOVE THROUGH THE REGION.
HEAVIEST SHOWERS REDUCING VIS AOB 2SM WILL BE POSSIBLE AGAIN THIS
EVENING. SOUTHERLY WIND GUSTS TO 35 KT WILL BE POSSIBLE ALONG THE
COAST/VALLEYS THROUGH THIS EVENING...WITH GUSTS TO 60-75 KT POSSIBLE
OVER MTNS AND DESERT MTN SLOPES THROUGH SAT MORNING. MTN WAVES WILL
PRODUCE STG-SVR UDDFS/LLWS/ROTORS OVER AND E OR NE OF THE MTNS.
ISOLATED TSTMS WILL BE POSSIBLE THROUGH SATURDAY. GUSTY AND ERRATIC
SFC WINDS...HEAVY RAIN...SMALL HAIL...STRONG UP/DOWNDRAFTS AND
CLOUD-TO-GROUND LIGHTNING WILL BE POSSIBLE IN AND NEAR TSTMS.

&&

.MARINE...
A STRONG LOW PRESSURE SYSTEM IMPACTING THE REGION WILL CREATE
HAZARDOUS CONDITIONS OVER THE COASTAL WATERS AND ALONG THE COAST AT
TIMES THROUGH SUNDAY NIGHT. ISOLATED THUNDERSTORMS WILL CREATE THE
POSSIBILITY OF GUSTY AND ERRATIC WINDS...SMALL HAIL...HEAVY RAIN AND
A WATERSPOUT OR TWO THROUGH SATURDAY. SEE LAXMWSSGX FOR ADDITIONAL
DETAILS. A GALE WARNING IN IS EFFECT FOR THE COASTAL WATERS FOR
STRONG S-SW WINDS TO 35 KT AND LARGE SEAS TO 14 FEET. SEE LAXMWWSGX
FOR FURTHER INFORMATION. THE LARGE SWELL WILL CREATE HIGH SURF ALONG
THE BEACHES...WITH SETS TO 12-15 FEET POSSIBLE...ESPECIALLY ON
WESTERLY FACING BEACHES. SURF IS EXPECTED TO FALL BELOW 7 FEET BY
MONDAY...THEN INCREASE AGAIN LATE TUESDAY. STRONG AND DANGEROUS RIP
CURRENTS WILL BE POSSIBLE THROUGH EARLY NEXT WEEK. HIGH
SURF...HIGHER THAN NORMAL HIGH TIDES AND PRECIPITATION RUN-OFF WILL
INCREASE THE CHANCES OF COASTAL FLOODING OF LOW-LYING AREAS ALONG
THE BEACHES...AS WELL. SEE LAXCFWSGX FOR INFORMATION ON HIGH SURF
ADVISORY AND COASTAL FLOOD WARNING.

&&

.HYDROLOGY...
SHOWERS AND ISOLATED THUNDERSTORMS WITH MODERATE TO HEAVY RAIN
THROUGH SATURDAY NIGHT. RAINFALL TOTALS THROUGH SUNDAY STILL ON
TRACK FOR 2 TO 4 INCHES IN THE COASTAL AND VALLEYS ZONES...AND FROM
5 TO 10 INCHES ON THE COASTAL MOUNTAIN SLOPES...WITH LOCALLY GREATER
AMOUNTS ON THE SOUTH SLOPES OF THE SAN BERNARDINO COUNTY MOUNTAINS.
DESERT AREAS COULD SEE UP TO AN INCH OF PRECIPITATION.

HEAVY SNOW IN THE MOUNTAINS ABOVE 6000 FEET WITH 10 TO 20 INCHES
BETWEEN 6000 AND 7000 FEET...AND FROM 2 TO 3 FEET ABOVE 8000 FEET.

A RIVER STATEMENT FOR THE SAN DIEGO RIVER AT FASHION VALLEY WAS
UPDATED TO LOWER THE HEIGHT OF THE CREST TO 6.3 FEET AT 1 PM
SATURDAY...WHICH IS LOWER THAN PREVIOUSLY ANTICIPATED. MONITOR STAGE
IS 7.5 FEET.

&&

.SKYWARN...
SKYWARN ACTIVATION IS REQUESTED FOR ALL COUNTIES SATURDAY MORNING.
PLEASE SEND REPORTS OF STRONG WINDS...WIND DAMAGE...RAIN
TOTALS...SNOWFALL TOTALS...FLOODING...DEBRIS FLOWS...AND ANY OTHER
SIGNIFICANT WEATHER.

&&

.SGX WATCHES/WARNINGS/ADVISORIES...
CA...HIGH WIND WARNING UNTIL 6 AM PST SATURDAY FOR THE APPLE AND
     LUCERNE VALLEYS...COACHELLA VALLEY...RIVERSIDE COUNTY
     MOUNTAINS...SAN BERNARDINO COUNTY MOUNTAINS...SAN DIEGO
     COUNTY DESERTS...SAN DIEGO COUNTY MOUNTAINS.

     FLASH FLOOD WATCH THROUGH LATE SATURDAY NIGHT FOR THE ORANGE
     COUNTY COASTAL AREAS...RIVERSIDE COUNTY MOUNTAINS...SAN
     BERNARDINO COUNTY MOUNTAINS...SAN BERNARDINO AND RIVERSIDE
     COUNTY VALLEYS-THE INLAND EMPIRE...SAN DIEGO COUNTY COASTAL
     AREAS...SAN DIEGO COUNTY MOUNTAINS...SAN DIEGO COUNTY
     VALLEYS...SANTA ANA MOUNTAINS AND FOOTHILLS.

     WINTER STORM WARNING UNTIL 3 AM PST SUNDAY ABOVE 6500 FEET FOR
     THE RIVERSIDE COUNTY MOUNTAINS...SAN BERNARDINO COUNTY
     MOUNTAINS.

     COASTAL FLOOD WARNING UNTIL 1 AM PST SUNDAY FOR THE BEACHES IN
     THE ORANGE COUNTY COASTAL AREAS...SAN DIEGO COUNTY COASTAL
     AREAS.

     HIGH SURF ADVISORY FROM 4 AM SATURDAY TO 4 AM PST MONDAY FOR
     THE BEACHES IN THE ORANGE COUNTY COASTAL AREAS...SAN DIEGO
     COUNTY COASTAL AREAS.

PZ...SMALL CRAFT ADVISORY UNTIL 2 PM PST SUNDAY FOR THE 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.

&&

PUBLIC/HYDROLOGY...MOEDE
AVIATION/MARINE...JAD

In the hours before

Local storm report, Feb 28, 8:18 PM PST, 3 hours 42 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN DIEGO CA
818 PM PST FRI FEB 28 2014

...TIME...  ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
...DATE...  ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0510 PM     FLOOD            3 SSE PALM SPRINGS      33.79N 116.52W
02/28/2014                   RIVERSIDE          CA   BROADCAST MEDIA

            KESQ MEDIA PALM SPRINGS REPORTS AND HAD
            PHOTOS OF SEVERAL ROAD CLOSURES DUE TO
            FLOODING IN WASHES INCLUDING ARABY DRIVE,
            GOLF CLUB DRIVE, INDIAN CANYON, VISTA CHINO
            AND GENE AUTRY

&&

NWS SAN DIEGO CA
IRIS SYSTEM
Local storm report, Feb 28, 8:22 PM PST, 3 hours 38 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN DIEGO CA
822 PM PST FRI FEB 28 2014

...TIME...  ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
...DATE...  ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0430 PM     TSTM WND DMG     4 WNW CORONADO          32.71N 117.25W
02/28/2014                   SAN DIEGO          CA   TRAINED SPOTTER

            6 INCH TREE REPORTED DOWN, WIND GUSTS 45 MPH
            AT THE TIME ALONG LINE OF HEAVY SHOWERS

&&

NWS SAN DIEGO CA
IRIS SYSTEM
Local storm report, Feb 28, 8:26 PM PST, 3 hours 34 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE SAN DIEGO CA
826 PM PST FRI FEB 28 2014

...TIME...  ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
...DATE...  ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0543 PM     FLOOD            2 NE WRIGHTWOOD         34.38N 117.61W
02/28/2014                   SAN BERNARDINO     CA   FIRE DEPARTMENT/R

            SAN BERNARDINO FIRE IS REPORTING A LEVEE
            FAILURE ALONG SHEEP CREEK NEAR THE
            INTERSECTION OF BUCKWHEAT ROAD AND MANZANITA
            ROAD IN PINON HILLS. 8 HOMES ARE THREATENED.
            COUNTY FIRE IS ON SCENE.

0516 PM     NON-TSTM WND GST 4 SSE BEAUMONT          33.88N 116.95W
02/28/2014  M65 MPH          RIVERSIDE          CA   MESONET

            MESONET STATION HIGHLAND SPRINGS /HSGC1/

0511 PM     FLOOD            3 ESE IMPERIAL BEACH    32.55N 117.07W
02/28/2014                   SAN DIEGO          CA   PUBLIC

            NBC MEDIA SHOWED VIDEO OF FLOODING (6 INCHES
            DEEP) FLOWING WATER ON DAIRY MART ROAD. THIS
            DRAINS FROM TIJUANA RIVER

0510 PM     FLOOD            3 SSE PALM SPRINGS      33.79N 116.52W
02/28/2014                   RIVERSIDE          CA   BROADCAST MEDIA

            KESQ MEDIA PALM SPRINGS REPORTS AND HAD
            PHOTOS OF SEVERAL ROAD CLOSURES DUE TO
            FLOODING IN WASHES INCLUDING ARABY DRIVE,
            GOLF CLUB DRIVE, INDIAN CANYON, VISTA CHINO
            AND GENE AUTRY

0505 PM     TSTM WND DMG     4 SE SAN MARCOS         33.10N 117.13W
02/28/2014                   SAN DIEGO          CA   PUBLIC

            UPDATE TO PRIOR REPORT. NBC MEDIA SHOWED
            VIDEO SHOWED 6 TO 12 INCHES OF FLOWING WATER
            OVER COUNTRY CLUB DRIVE. TRUCK DRIVING
            THROUGH CLOSED ROAD HARMONY GROVE.

0424 PM     TSTM WND GST     3 W CHULA VISTA         32.63N 117.14W
02/28/2014  M58 MPH          SAN DIEGO          CA   MESONET

            MESONET STATION CORONADO CAYS /XJST/
            WEATHERFLOW MESONET. RADAR SHOWED INTENSE
            LINE SEGMENT OVERHEAD TO SUPPORT WET
            MICROBURST OF STRONGER WINDS ALOFT.

0420 PM     FLOOD            PACIFIC BEACH           32.80N 117.24W
02/28/2014                   SAN DIEGO          CA   NWS EMPLOYEE

            NWS EMPLOYEE REPORTS 7 INCHES OF STANDING
            WATER AT THE INTERSECTION OF INGRAHAM STREET
            AND LA PLAYA AVENUE IN PACIFIC BEACH.

0420 PM     NON-TSTM WND GST 4 WNW LAKELAND VILLAGE  33.65N 117.41W
02/28/2014  M70 MPH          RIVERSIDE          CA   MESONET

            MESONET STATION EL CARISO /ECSC1/

0351 PM     TSTM WND GST     6 ENE TUSTIN FOOTHILLS  33.81N 117.71W
02/28/2014  M74 MPH          ORANGE             CA   MESONET

            MESONET STATION FREMONT CANYON /FRCC1/ LINE
            OF HEAVY RAIN WET MICROSBURST. PEAK WIND IS
            PAST HOUR.

0305 PM     NON-TSTM WND DMG 8 NW LA MESA            32.84N 117.12W
02/28/2014                   SAN DIEGO          CA   PUBLIC

            CBS8 VIDEO OF LARGE TREE DOWN ON CADILLAC
            DEALERSHIP IN KEARNY MESA. TIME ESTIMATED.
            MESONET STATIONS SHOWED GUST 45 TO 50 MPH
            FROM 100 TO 430 PM.

0251 PM     NON-TSTM WND GST 13 ESE BIG BEAR CITY    34.21N 116.62W
02/28/2014  M71 MPH          SAN BERNARDINO     CA   MESONET

            MESONET STATION BURNS CANYON /BCNC1/

0230 PM     NON-TSTM WND DMG 4 NE POWAY              33.03N 116.97W
02/28/2014                   SAN DIEGO          CA   DEPT OF HIGHWAY

            POWER POLE DON ON HIGHLAND VALLEY ROAD DUE
            TO HIGH WIND. ROAD WAS CLOSED

0230 PM     TSTM WND DMG     3 ENE COSTA MESA        33.68N 117.86W
02/28/2014                   ORANGE             CA   AIRPLANE PILOT

            JOHN WAYNE AIRPORT OFFICIALS REPORTED A
            PLANE MOVED 3 FEET FROM SEVERE WIND, SEVERAL
            METAL SIGNS DOWN AND JET BRIDGE DAMAGE. ASOS
            HAD 35 MPH. LIKELY WET MICROBURST AS SEEN ON
            RADAR LINE SEGMENT. DOWNSTREAM WIND MEASURED
            AT RAWS SITE AT 74 MPH.

0200 PM     FLOOD            2 ESE VALLEY CENTER     33.20N 116.97W
02/28/2014                   SAN DIEGO          CA   TRAINED SPOTTER

            WOODS VALLEY ROAD AND WOLFORD ROAD HAS
            DEBRIS FLOW AND SIX INCH ROCKS ON IT

0200 PM     NON-TSTM WND GST 3 SSE JULIAN            33.04N 116.56W
02/28/2014  M64 MPH          SAN DIEGO          CA   MESONET

            MESONET STATION HARRISON PARK /HRPSD/

0137 PM     FLOOD            1 NNW RAINBOW           33.41N 117.15W
02/28/2014                   SAN DIEGO          CA   DEPT OF HIGHWAY

            ROAD CLOSED AT HUFFSTATLER ROAD AND OLD 395
            AT 5TH STREET DUE TO FLOODING

0100 PM     NON-TSTM WND DMG 9 NNE RANCHO CUCAMONGA  34.23N 117.49W
02/28/2014                   SAN BERNARDINO     CA   DEPT OF HIGHWAY

            TREE NEEDED TO BE REMOVED. MINOR FLOODING ON
            LYTLE CREEK ROADWAY

0100 PM     NON-TSTM WND DMG 1 NW LAKESIDE           32.86N 116.92W
02/28/2014                   SAN DIEGO          CA   BROADCAST MEDIA

            FOX5 MEDIA SHOW VIDEO OF LARGE TREE DOWN BY
            HIGH WIND. LINE OF HEAVY RAIN ON RADAR
            POSSIBLE MICROBURST. MESONET REPORTS SHOW
            GUSTS 50 MPH

1242 PM     NON-TSTM WND GST 11 NE VALLEY CENTER     33.31N 116.86W
02/28/2014  M73 MPH          SAN DIEGO          CA   MESONET

            MESONET STATION PAUMA VALLEY (7 E) /EW1401/

1229 PM     DEBRIS FLOW      2 WNW LAKELAND VILLAGE  33.65N 117.38W
02/28/2014                   RIVERSIDE          CA   EMERGENCY MANAGER

            RIVERSIDE OES REPORTS ORTEGA HIGHWAY CLOSED
            DUE TO DEBRIS FLOW OF MUD AROUND FALLS FIRE
            SCAR. SINK HOLE REPORTED ON GRAND AVENUE
            DEBRIS FLOW DURATION 2 HOURS

1225 PM     NON-TSTM WND DMG 1 E SAN DIEGO           32.72N 117.14W
02/28/2014                   SAN DIEGO          CA   BROADCAST MEDIA

            50 YEAR OLD TREE DOWNED BY HIGH WINDS. TIME
            IS ESTIMATED. REPORT BY FOX5 NEWS. SAN ASOS
            HAD GUST 45 MPH AT NOON ALONG AND BEHIND
            SOUTH END OF LINE OF HEAVY RAIN.

1215 PM     NON-TSTM WND DMG 6 WNW SAN DIEGO         32.76N 117.25W
02/28/2014                   SAN DIEGO          CA   BROADCAST MEDIA

            FOX5 VIDEO OF LARGE TREE DOWN ON OCEAN
            BEACH. SAN ASOS HAD GUST 45 MPH. SOUTHERN
            END OF SQUALL LINE (NO LIGHTNING DETECTED)
            SO POSSIBLE WET MICROBURST MIXING DOWN 50
            MPH WINDS AT 1 TO 2 KFT.

1210 PM     TSTM WND GST     5 SSE SAN MARCOS        33.08N 117.13W
02/28/2014  M57 MPH          SAN DIEGO          CA   MESONET

            MESONET STATION OLIVENHAIN /OLVSD/. RADAR
            SHOWED LINE OF STRONG REFLECTIVITY MOVING
            THROUGH.

1200 PM     FLASH FLOOD      1 ESE RUNNING SPRINGS   34.20N 117.09W
02/28/2014                   SAN BERNARDINO     CA   TRAINED SPOTTER

            HEAVY DEBRIS FLOW ALONG HIGHWAY 18 NEAR THE
            ARROWBEAR AREA. ARROWBEAR MUSIC CAMP WILL BE
            BLOCKED OFF.

1200 PM     NON-TSTM WND DMG 1 E FONTANA             34.10N 117.44W
02/28/2014                   SAN BERNARDINO     CA   EMERGENCY MANAGER

            ROOF COLLAPSE DUE TO WEATHER AND WIND. TIME
            IS ESTIMATED

1147 AM     FLASH FLOOD      3 SE PALM SPRINGS       33.79N 116.51W
02/28/2014                   RIVERSIDE          CA   PUBLIC

            FLASH FLOODING OVER ARABY DRIVE NEAR THE
            WASH IN PALM SPRINGS.

1138 AM     HEAVY RAIN       1 WSW REDLANDS          34.05N 117.18W
02/28/2014  M0.50 INCH       SAN BERNARDINO     CA   TRAINED SPOTTER

            HAS HAD A HALF INCH OF RAIN IN THE LAST HALF
            HOUR. THERE IS 1 TO 3 INCHES OF STANDING
            WATER, EXTENDING 6 FT OUT INTO THE ROAD WAY
            FROM THE CURB. TOTAL SO FAR TODAY IS 0.83
            INCHES. HEAVY RAIN DURATION 30 MINUTES

1117 AM     HEAVY RAIN       2 WNW SAN CLEMENTE      33.45N 117.64W
02/28/2014  M1.00 INCH       ORANGE             CA   TRAINED SPOTTER

            LOS POSAS ROAD REPORTED VERY HEAVY RAIN
            RATES AND FLOODING IN LANE ONE

1100 AM     HEAVY RAIN       WRIGHTWOOD              34.36N 117.63W
02/28/2014  M4.00 INCH       SAN BERNARDINO     CA   PUBLIC

            4 INCHES OF RAIN SINCE LAST NIGHT

1032 AM     FLASH FLOOD      2 NNW SAN BERNARDINO    34.17N 117.30W
02/28/2014                   SAN BERNARDINO     CA   TRAINED SPOTTER

            REPORT OF 5 INCHES OF WATER RUNNING DOWN THE
            STREET IN NORTH SAN BERNARDINO NEIGHBORHOOD.

1016 AM     FLOOD            3 NNW NORCO             33.96N 117.56W
02/28/2014                   RIVERSIDE          CA   PUBLIC

            RIV219 SPOTTER VERY HEAVY RAIN AND 3 INCHES
            RUNNING ON STREET

1009 AM     FLOOD            2 SW PLACENTIA          33.87N 117.88W
02/28/2014                   ORANGE             CA   FIRE DEPARTMENT/R

            REPORTS OF SWIFT WATER RESCUE IN STORM DRAIN
            ON PLACENTIA AND CROWTHER AVES

1003 AM     NON-TSTM WND GST 5 WSW CORONA            33.85N 117.65W
02/28/2014  M69 MPH          RIVERSIDE          CA   MESONET

            MESONET STATION SIERRA PEAK /EW3129/

0955 AM     FLOOD            2 SSE PLACENTIA         33.85N 117.84W
02/28/2014                   ORANGE             CA   TRAINED SPOTTER

            RELAYED REPORT OF STREET FLOODING ON TUSTIN
            AVE VIA SKYWARN

0951 AM     NON-TSTM WND GST 6 ENE TUSTIN FOOTHILLS  33.81N 117.71W
02/28/2014  M65 MPH          ORANGE             CA   MESONET

            MESONET STATION FREMONT CANYON /FRCC1/

0946 AM     FLOOD            5 ENE RUNNING SPRINGS   34.23N 117.03W
02/28/2014                   SAN BERNARDINO     CA   DEPT OF HIGHWAY

            HIGHWAY 18 CLOSED FROM SNOW VALLEY TO BIG
            BEAR DUE TO MINOR FLOODING AND ROCK DEBRIS
            FLOOD DURATION 3 HOURS

0918 AM     FLOOD            2 SW SPRING VALLEY      32.70N 117.01W
02/28/2014                   SAN DIEGO          CA   BROADCAST MEDIA

            LOCAL TV NEWS SHOWING FOOTAGE OF WATER
            RUNNING ACROSS QUARRY RD.

0900 AM     FLOOD            1 SE WRIGHTWOOD         34.35N 117.62W
02/28/2014                   SAN BERNARDINO     CA   TRAINED SPOTTER

            CONSISTENT HEAVY RAIN OVER THE AREA
            RESULTING IN SHEEP CREEK RUNNING OVER THE
            ROAD AT THE INTERSECTION OF SHEEP CREEK ROAD
            AND LONE PINE CANYON ROAD THROUGH AT LEAST 5
            PM PDT. THIS INTERSECTION IS CLOSED. STORM
            TOTAL RAINFALL THROUGH 4 PM PDT IS 5 INCHES.
            FLOOD DURATION 8 HOURS

0841 AM     NON-TSTM WND GST 9 S HOME GARDENS        33.76N 117.50W
02/28/2014  M57 MPH          RIVERSIDE          CA   MESONET

            MESONET STATION TEMESCAL /TSCC1/

0840 AM     COASTAL FLOOD    3 S SEAL BEACH          33.72N 118.07W
02/28/2014                   ORANGE             CA   TRAINED SPOTTER

            STREET FLOODING AROUND 6 INCHES DEEP
            REPORTED AT THE INTERSECTION OF ANDERSON AND
            PACIFIC COAST HIGHWAY.

0822 AM     FLOOD            4 SE SAN MARCOS         33.10N 117.13W
02/28/2014                   SAN DIEGO          CA   COUNTY OFFICIAL

            WATER NOW FLOWING OVER COUNTRY CLUB DR. IN
            WEST ESCONDIDO WHERE THE ROAD GOES INTO
            ESCONDIDO CREEK.

0707 AM     NON-TSTM WND GST 9 NE VALLEY CENTER      33.33N 116.92W
02/28/2014  M74 MPH          SAN DIEGO          CA   MESONET

            MESONET STATION BOUCHER HILL /HP014/ CURRENT
            GUSTING TO 70 MPH

0700 AM     NON-TSTM WND DMG 8 SW BIG BEAR LAKE      34.15N 116.98W
02/28/2014                   SAN BERNARDINO     CA   DEPT OF HIGHWAY

            TREES DOWN FROM EARLIER WINDS. TIME
            ESTIMATED. MANZANITA LANE.

0650 AM     NON-TSTM WND GST 2 ESE BIG BEAR LAKE     34.23N 116.86W
02/28/2014  M102 MPH         SAN BERNARDINO     CA   TRAINED SPOTTER

            WIND GAGE AT BIG BEAR RESORT

0614 AM     HEAVY RAIN       5 W BIG BEAR LAKE       34.24N 116.98W
02/28/2014  U0.87 INCH       SAN BERNARDINO     CA   DEPT OF HIGHWAY

            CALIFORNIA HIGHWAY PATROL REPORTS A BOULDER
            THE SIZE OF A CAR IN THE SOUTH BOUND LANES
            ON HIGHWAY 18 NEAR BIG BEAR LAKE. HEAVY RAIN
            DURATION NAN MINUTES

0251 AM     NON-TSTM WND GST 13 ESE BIG BEAR CITY    34.21N 116.62W
02/28/2014  M58 MPH          SAN BERNARDINO     CA   MESONET

            MESONET STATION BURNS CANYON /BCNC1/

&&

IRIS SYSTEM
Local storm report, Feb 28, 9:28 PM PST, 2 hours 32 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE SAN DIEGO CA
928 PM PST FRI FEB 28 2014

...TIME...  ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
...DATE...  ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1100 AM     TSTM WND DMG     8 SW BIG BEAR LAKE      34.14N 116.98W
02/28/2014                   SAN BERNARDINO     CA   FIRE DEPARTMENT/R

            FIREFIGTHERS RESPONDED TO CALL OF 70 FOOT
            PINE TREE ON HOME AND VEHICLE. POWER LINES
            KNOCKED OUT. LEADING LINE OF HEAVY RAIN AT
            THE TIME. SEVERAL LIGHTNING STRIKES WESTERN
            SAN BERNADINO MOUNTAINS 10 AM TO 11 AM ON
            SAME LINE OF STORMS. UPDATE TO REPORT FOR
            MANZANITA AVE WIND DAMAGE TO CORRECT TIME.
            THE TREE BLOCKED THE STREET.

&&

NWS SAN DIEGO CA
IRIS SYSTEM
Local storm report, Feb 28, 10:41 PM PST, 1 hour 19 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN DIEGO CA
1041 PM PST FRI FEB 28 2014

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0225 PM     DUST STORM       5 SE BORREGO SPRINGS    33.19N 116.28W
02/28/2014                   SAN DIEGO          CA   TRAINED SPOTTER

            DUST/SAND STORM IN BORREGO SPRINGS. VISIBILITY REDUCED TO
            A QUARTER MILE WITH WINDS GUSTING TO 45 MPH.

&&

SHARRISO
Local storm report, Feb 28, 11:11 PM PST, 49 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN DIEGO CA
1111 PM PST FRI FEB 28 2014

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0428 PM     TSTM WND DMG     CHULA VISTA             32.64N 117.08W
02/28/2014                   SAN DIEGO          CA   BROADCAST MEDIA

            ABC NEWS 10 REPORTS STRAIGHT LINE WINDS OF 60 MPH WHICH
            BROUGHT DOWN A LARGE TREE ONTO A CONDOMINIUM IN CHULA
            VISTA.

&&

SHARRISO

The radar

The San Diego radar (KNKX), 41 km away, was scanning. The volume nearest the first event began at 07:58 UTC.

Open the radar archive at this moment

Event by event

2 high surf, 2 flood, 1 debris flow, 1 funnel cloud. Local standard time, as filed.

Debris Flow, San Diego

When
March 1, 12:00 AM PST to 4:00 AM PST
Where
San Diego County, 5 mi E of Bonsall to 5.17 mi E of Bonsall
Cause
Heavy Rain
Reported by
Law Enforcement
Coordinates
33.280, -117.143

Twenty-four hour rainfall as of 0400 PST was 1.38 inches rain at a weather station 3 miles SE of Fallbrook. A large amount of rocks in the roadway has caused the Old Highway 395 on-ramp to south-bound Interstate 15 to be closed.

High Surf, Orange County Coastal Areas

When
March 1, 12:00 AM PST to March 2, 12:00 AM PST
Where
Orange County Coastal Areas forecast zone
Reported by
Fire Department/Rescue

Lifeguards reported 8 to 15 foot surf at Newport Beach. Lifeguards reported 6 to 10 foot surf at San Clemente State Beach. Lifeguards reported 10 foot surf at Huntington Beach.

High Surf, San Diego County Coastal Areas

When
March 1, 12:00 AM PST to March 2, 12:00 AM PST
Where
San Diego County Coastal Areas forecast zone
Reported by
Fire Department/Rescue
Coordinates
33.028, -116.770 (the zone’s center; the record gives no point)

Surfline observers reported 6 to 8 foot surf at Oceanside, 8 to 12 feet at Blacks Beach, and 8 to 10 feet at Imperial Beach. Lifeguards reported surf of 10 to 12 feet at Moonlight Beach in Encinitas, 8 feet at Mission Beach and 5 to 7 feet at Solana Beach.

Flood, Riverside

When
March 1, 2:00 PM PST to 6:00 PM PST
Where
Riverside County, 4.76 mi SSW of Hinda to 3.4 mi NE of Lakeview
Cause
Heavy Rain
Reported by
Law Enforcement
Coordinates
33.883, -117.049

CHP reports Bridge Street at Gillman Springs Road closed due to flooding from heavy rain.

Flood, San Diego

When
March 1, 2:00 PM PST to 6:00 PM PST
Where
San Diego County, Oceanside to 1.29 mi NNE of Oceanside
Cause
Heavy Rain
Reported by
Law Enforcement
Coordinates
33.200, -117.380

CHP reported one lane of Interstate 5 had a couple feet of water on the road near the Oceanside Harbor bridge.

Funnel Cloud, San Bernardino

When
March 1, 3:15 PM PST to 3:45 PM PST
Where
San Bernardino County, (Ont)ontario Itnl Ar
Reported by
Trained Spotter
Coordinates
34.050, -117.600

A spotter observed a funnel cloud produced by a thunderstorm near the city of Ontario. The funnel was short-lived and never reached the ground.

What these are

Debris Flow
A fast-moving slurry of mud, rock and debris, usually on a slope soaked by heavy rain or stripped by a fire.
High Surf
Large waves breaking on the shore that caused damage, erosion or casualties.
Flood
Flooding that develops more slowly than a flash flood: rivers leaving their banks, or water standing over land for an extended time.
Funnel Cloud
A rotating column of cloud extending from a thunderstorm that did not reach the ground.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in California in 2014Every state in 2014This day in weather historyWarnings in California, March 2014

Sources

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: 508010, 508017, 508018, 508011, 508012, 508016.