California, 2014

High Wind in California, October 24 to 25, 2014

October 24 to 25, 2014 · NWS MFR · 4 events in 4 counties and zones

A strong front brought high winds to many parts of northern California.

Where it happened

Every event with a place to put it; 4 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
4

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 MFR wrote it up.

A strong front brought high winds to many parts of northern California.

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 Medford, OR wrote its last area forecast discussion before the first event at Oct 24, 7:00 PM PST, 2 hours 16 minutes earlier.

Area forecast discussion, Oct 24, 7:00 PM PST, 2 hours 16 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MEDFORD OR
800 PM PDT FRI OCT 24 2014

.DISCUSSION...25/00Z NAM IN.

A WARM FRONT MOVED NORTH THROUGH THE MEDFORD CWA FRIDAY AND SKIES
MOSTLY CLEARED AFTER IT PASSED THROUGH. HOWEVER...MORE CLOUDS ARE
MOVING IN AHEAD OF THE TRAILING COLD FRONT...WHICH IS POISED TO
MOVE ONSHORE SATURDAY. THE FREEZING LEVEL ROSE FROM 8600 FEET ON
THE 24/12Z KMFR SOUNDING TO 12600 FEET ON THE 25/00Z SOUNDING.

A SPLITTING LONG WAVE TROUGH REMAINS OFFSHORE AROUND 133W.
DOWNSTREAM RIDGING DEVELOPED AHEAD OF IT AND THAT IS WHAT DROVE
THE WARM FRONT NORTH.

THE SOUTHERN BRANCH OF THE TROUGH WILL MOVE ONSHORE SATURDAY
AFTERNOON AND EVENING. IT WILL PUSH A WET AND WINDY FRONT ONSHORE
SATURDAY MORNING. THIS FRONT WILL MOVE THROUGH THE MEDFORD CWA
SATURDAY AFTERNOON AND EVENING AND DEPART TO THE EAST SATURDAY NIGHT.

THE MAIN IMPACT WILL BE FROM STRONG SOUTHERLY WINDS (STRONGEST IN
THE LATE MORNING AND AFTERNOON HOURS). BUT, IT WILL ALSO PRODUCE
MODERATE TO HEAVY RAIN FOR MUCH OF THE AREA WEST OF THE CASCADES
(AND LIGHT RAIN ELSEWHERE)...ISOLATED THUNDERSTORMS (WITH THE
HIGHEST PROBABILITY NEAR THE COAST)...AND UP TO 6 INCHES OF
MOUNTAIN SNOW. THE SNOW LEVEL WILL START OFF AROUND 7000 FEET ON
SATURDAY...THEN FALL TO AROUND 5000 FEET WITH POST-FRONTAL SHOWERS
SATURDAY NIGHT.

MODERATE TO HEAVY RAIN WITH ISOLATED THUNDERSTORMS WILL REACH THE
COAST AROUND MIDNIGHT THEN SPREAD INLAND SATURDAY WITH THE HEAVIEST
PRECIPITATION OCCURRING WEST OF THE CASCADE CREST. STORM TOTAL
AMOUNTS LATE TONIGHT INTO SUNDAY MORNING ARE FORECAST TO BE UP TO
4 INCHES IN THE COASTAL RANGE OF CURRY COUNTY WITH UP TO 2 INCHES
ELSEWHERE IN CURRY...COOS...JOSEPHINE...AND WESTERN AND SOUTHERN
SISKIYOU COUNTY. UP TO AN INCH ELSEWHERE ON THE WEST SIDE AND
GENERALLY UP TO A HALF INCH ON THE EAST SIDE.

POST-FRONTAL SHOWERS WILL PERSIST INTO SUNDAY...THEN AN UPPER
LEVEL RIDGE WILL EDGE INTO THE AREA...BRINGING DRIER AND WARMER
CONDITIONS WITH WEAK OFFSHORE LOW LEVEL FLOW. MONDAY MORNING WILL
LIKELY BE FAIRLY COOL THOUGH.

MONDAY WILL BE A DRY DAY WITH THE POSSIBLE EXCEPTION OF VERY LIGHT
SHOWERS AT THE COAST NORTH OF NORTH BEND. HOWEVER...HIGH CLOUDS
WILL ALREADY BE MOVING IN AHEAD OF ANOTHER STRONG FRONT...WHICH
WILL MOVE ONSHORE LATE MONDAY NIGHT OR TUESDAY MORNING.

LONG TERM DISCUSSION FROM THE FRIDAY AFTERNOON AFD...TUESDAY
MORNING THOUGH FRIDAY. MODELS ARE IN VERY GOOD AGREEMENT STARTING
TUESDAY WITH ANOTHER WET SYSTEM IMPACTING THE AREA TUESDAY INTO
WEDNESDAY. ALTHOUGH THE JET AXIS WILL BE NORTH OF THE REGION LOW
LEVEL CONVERGENCE COMBINING WITH OROGRAPHIC LIFT WILL BRING HEAVY
PRECIPITATION TO THE WEST SIDE WITH A WETTING RAIN POSSIBLE EAST
OF THE CASCADES IN A NEAR ZONAL FLOW PATTERN.

THE UPPER LEVEL RIDGE WILL BUILD AND SHIFT EAST AS THE UPPER
LEVEL TROUGH DEEPENS OFFSHORE INTO FRIDAY MORNING WITH SHOWERS
WEAKENING OVER THE REGION THROUGH FRIDAY MORNING. FROM FRIDAY THE
ECMWF AND THE GFS VARY IN THE THE DEPTH AND LOCATION OF A CUTOFF
LOW BEYOND 130W...WITH THE ECMWF PUTTING THE LOW OFF OF THE
SOUTHERN CALIFORNIA COAST AND THE GFS LOCATING IT OFF OF THE
NORTHERN CALIFORNIA COAST. CONFIDENCE IS MUCH HIGHER ON THE
FORECAST UP TO FRIDAY...AND LOWER NEXT WEEKEND. /SVEN

&&

.AVIATION...BASED ON THE 25/00Z TAF CYCLE...WITH THE WARM FRONT
PUSHING NORTH OF THE AREA, VFR CONDITIONS PREVAIL AT MOST LOCATIONS
THIS EVENING...ASIDE FROM KRBG AND THE UMPQUA VALLEY WHICH LINGER IN
MVFR OR IFR CIGS. A COLD FRONT WILL APPROACH FROM THE WEST BEGINNING
LATER THIS EVENING INTO OVERNIGHT, AND GUSTY SOUTH TO SOUTHWEST
WINDS ARE EXPECTED TO DEVELOP IN MOST AREAS, ESPECIALLY ALONG THE
COAST AND EAST OF THE CASCADES. THE ROGUE VALLEY AND THE SHASTA
VALLEY ARE ALSO LIKELY TO SEE STRONG WINDS THROUGH MUCH OF
SATURDAY...WHILE AREAS ALONG THE COAST WILL POTENTIALLY SEE SOME
LOW LEVEL WIND SHEAR AS WINDS ABOVE THE SURFACE STRENGTHEN
CONSIDERABLY OVERNIGHT.

RAIN WILL BEGIN ALONG THE COAST AROUND 12 UTC, THEN SPREAD INLAND
THROUGH THE MORNING AND AFTERNOON. MOST AREAS WILL SEE RAIN BY THE
END OF THE TAF PERIOD. EXPECT MOSTLY VFR CONDITIONS THROUGH THE DAY,
ALTHOUGH MVFR CONDITIONS ARE LIKELY ALONG THE COAST AND WITHIN AREAS
OF HEAVIER PRECIPITATION. MOUNTAIN OBSCURATIONS WILL BECOME
WIDESPREAD AND EXTENSIVE. -BPN

&&

.MARINE...UPDATED 230 PM PDT FRI 24 OCT 2014...STRONG LOW PRESSURE
WILL MOVE THROUGH THE COASTAL WATERS OVER THE NEXT 48 HOURS.
SOUTHERLY WINDS WILL INCREASE THROUGH THIS EVENING AND TONIGHT AS
GRADIENTS TIGHTEN AHEAD OF THE LOW AND ITS ASSOCIATED COLD FRONT.
WINDS WILL REMAIN STRONG THROUGH MUCH OF SATURDAY.

THERE IS SOME QUESTION AS TO HOW STRONG WINDS WILL BECOME, AND HOW
LONG THEY WILL PERSIST. WHILE PRESSURE GRADIENT FORECASTS BETWEEN
EUREKA AND NORTH BEND WOULD SUGGEST STORM FORCE WINDS UNDER USUAL
CIRCUMSTANCES, THE FRONT WILL BE ORIENTED ROUGHLY PARALLEL TO THE
COAST, AND THIS WILL KEEP WINDS SLIGHTLY WEAKER THAN WE WOULD
TYPICALLY SEE WITH THIS STRONG OF A SYSTEM. WINDS WILL SHIFT WEST
AND BEGIN TO EASE IN THE LATE SATURDAY AFTERNOON. THIS IS SUBJECT TO
CHANGE DEPENDING ON THE TRACK OF THE LOW, BUT AT LEAST 12-18 HOURS
OF STRONG GALES TO LOW END STORM FORCE WINDS ARE NEARLY CERTAIN OVER
MUCH OF OUR WATERS. VERY STEEP AND CHAOTIC SEAS WILL ALSO ACCOMPANY
THE HIGH WINDS, COMPOSED OF MODERATE WEST SWELL AND VERY STRONG
SOUTHERLY CHOP.

CONDITIONS WILL IMPROVE SUNDAY, BUT ANOTHER FRONT MAY AFFECT THE
WATERS LATE MONDAY INTO TUESDAY. -BPN/WRIGHT

&&

.MFR WATCHES/WARNINGS/ADVISORIES...
OR...HIGH WIND WARNING FROM 11 PM THIS EVENING TO 11 PM PDT SATURDAY
        FOR ORZ029>031.
     HIGH WIND WARNING FROM 11 AM TO 5 PM PDT SATURDAY FOR
        ORZ021-022.
     HIGH WIND WARNING FROM 11 PM THIS EVENING TO 5 PM PDT SATURDAY
        FOR ORZ028.
     WIND ADVISORY FROM 5 AM TO 5 PM PDT SATURDAY FOR ORZ026.

CA...HIGH WIND WARNING FROM 11 PM THIS EVENING TO 5 PM PDT SATURDAY
        FOR CAZ082.
     HIGH WIND WARNING FROM 11 PM THIS EVENING TO 5 PM PDT SATURDAY
        FOR CAZ081.
     WIND ADVISORY UNTIL 11 PM PDT THIS EVENING FOR CAZ081.
     HIGH WIND WARNING FROM 11 PM THIS EVENING TO 11 PM PDT SATURDAY
        FOR CAZ083-085.

PACIFIC COASTAL WATERS...SMALL CRAFT ADVISORY FOR WINDS UNTIL 2 AM PDT
        SATURDAY FOR PZZ350-356-370-376.
     SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS UNTIL 11 PM PDT THIS
        EVENING FOR PZZ350-356-370-376.
     GALE WARNING FROM 2 AM TO 2 PM PDT SATURDAY FOR PZZ350-356.
     HAZARDOUS SEAS WARNING UNTIL 8 PM PDT SATURDAY FOR
        PZZ350-356-370-376.
     HIGH WIND WARNING FROM 11 AM TO 5 PM PDT SATURDAY FOR PZZ310.
     GALE WARNING UNTIL 2 PM PDT SATURDAY FOR PZZ370-376.

15/15/15

The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

4 high wind. Local standard time, as filed.

High Wind, Western Siskiyou County

When
October 24, 9:16 PM PST to October 25, 5:31 AM PST
Where
Western Siskiyou County forecast zone
Measured
64 kt (74 mph) measured gust
Reported by
RAWS
Coordinates
41.593, -122.540 (the zone’s center; the record gives no point)

The Blue Ridge RAWS reported a peak gust of 74 mph at 25/0451 PST. The Callahan #2 RAWS reported a peak gust of 60 mph at 24/2216 PST. The Collins Baldy RAWS reported a peak gust of 59 mph at 25/0531 PST.

High Wind, Central Siskiyou County

When
October 25, 12:48 AM PST to 1:48 AM PST
Where
Central Siskiyou County forecast zone
Measured
53 kt (61 mph) measured gust
Reported by
RAWS
Coordinates
41.593, -122.540 (the zone’s center; the record gives no point)

The Weed RAWS reported a peak gust of 61 mph at 25/0148 PST.

High Wind, North Central & Southeast Siskiyou County

When
October 25, 1:03 AM PST to 12:01 PM PST
Where
North Central & Southeast Siskiyou County forecast zone
Measured
58 kt (67 mph) measured gust
Reported by
RAWS
Coordinates
41.593, -122.540 (the zone’s center; the record gives no point)

The Bolam RAWS reported numerous gusts exceeding 57 mph between 25/0103 and 25/1003 PST. The peak gust was 67 mph recorded at 25/0203 PST. The Indian Well RAWS reported a peak gust of 59 mph at 25/1201 PST. The Van Bremmer RAWS reported a peak gust of 59 mph at 25/0331 PST.

High Wind, Modoc County

When
October 25, 11:03 AM PST to 1:03 PM PST
Where
Modoc County forecast zone
Measured
63 kt (72 mph) measured gust
Reported by
RAWS
Coordinates
41.590, -120.725 (the zone’s center; the record gives no point)

The Timber Mountain RAWS recorded a gust to 72 mph at 25/1203 and a gust to 64 mph at 25/1303 PST.

What these are

High Wind
Sustained non-thunderstorm winds of 40 mph or more for an hour, or gusts of 58 mph or more.

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, October 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 2026-10-01. Each event’s entry at NCEI: 543129, 543130, 543131, 543132.