Oregon, 2012

Flooding in Oregon, November 29, 2012

November 29, 2012 · NWS MFR · 2 events in 2 counties and zones

bringing flooding to the area.

Where it happened

Every event with a place to put it. 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
$8.0 million
Crop damage
None recorded
Events
2

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.

Another round of heavy rain impacted the already soaked south Coast...bringing flooding to the area.

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 Nov 29, 3:45 AM PST, 1 hour 56 minutes earlier.

Area forecast discussion, Nov 29, 3:45 AM PST, 1 hour 56 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MEDFORD OR
345 AM PST THU NOV 29 2012

.DISCUSSION...SATELLITE IMAGERY THIS MORNING SHOWING A VERY POTENT
FRONTAL BAND POISED TO MOVE ONSHORE. THERE HAVE BEEN A FEW
LIGHTNING STRIKES ASSOCIATED WITH THIS INTENSE BAND OF
PRECIPITATION SO HAVE ADDED ISOLD THUNDER TO THE GRIDS FOR THE
IMMEDIATE COAST/ADJACENT COASTAL WATERS TODAY. RAINFALL RATES VIA
AMSU HAVE BEEN 0.3-0.4"/HR WITHIN ITS CORE AND EXPECT THIS TO BE
REALIZED OVER PORTIONS OF SW OR AND WESTERN SISKIYOU COUNTY LATER
THIS MORNING INTO THIS AFTERNOON. THIS WOULD TRANSLATE TO
WIDESPREAD AMOUNTS OF 3 TO 5 INCHES WITH LOCALLY MORE IN FAVORED
OROGRAPHIC AREAS OF CURRY/WESTERN SISKIYOU COUNTY THROUGH TONIGHT.
AREAL FLOOD WATCHES IN THESE AREAS WILL LIKELY NEED TO BE UPGRADED
TO WARNINGS LATER THIS MORNING AS THE RAINFALL REALLY GETS
UNDERWAY.

HIGH WINDS WILL ALSO IMPACT THE COAST...ALREADY THERE HAS BEEN A
GUST TO 66 MPH AT FLYNN PRAIRIE RAWS AND THERE WILL LIKELY BE
GUSTS OF 80 TO 90 MPH AT THE HEADLANDS AS THE CORE OF THE BAND
MOVES THROUGH. STRONG WINDS WILL ALSO BE FELT INLAND OVER MUCH OF
THE CWA...STRONGEST IN THE SHASTA VALLEY NEAR WEED AND ALSO THE
EAST SIDE NEAR SUMMER LAKE. WINDS WILL ALSO BE QUITE GUSTY FOR
LOWER ELEVATIONS OF THE EAST SIDE AND THE ROGUE VALLEY, WHERE WIND
ADVISORIES ARE IN EFFECT. HIGH MOUNTAIN SNOW CAN BE EXPECTED TOO
AROUND MOUNT SHASTA, THOUGH SNOW LEVELS ARE FAIRLY HIGH UP AROUND
6000 FEET. THERE CAN BE SOME LOWERING OF THE SNOW LEVEL TODAY,
PERHAPS TO BETWEEN 5000 AND 5500 FEET, BUT MOST OF THE HEAVY SNOW
WILL BE RESERVED FOR THE HIGHEST ELEVATIONS.

THE MAIN FRONTAL BAND SHIFTS SOUTH FRIDAY AND PRECIPITATION RATES
WILL EASE DURING LATE MORNING AND ESPECIALLY THE AFTERNOON. THIS
BREAK WILL BE SHORT-LIVED THOUGH AS ANOTHER SHORTWAVE AND FRONTAL
BAND MOVES IN FRIDAY EVENING AND PERSISTS INTO SATURDAY. EXPECT
ANOTHER ROUND OF RAIN/WIND HEADLINES, BUT THIS ONE APPEARS A BIT
WEAKER THAN THE ONE TODAY.

MODELS ARE SHOWING YET ANOTHER BLAST OF STRONG WINDS AND RAIN
SATURDAY NIGHT INTO SUNDAY. THIS ONE HAS THE POTENTIAL TO BE QUITE
STRONG AS MODEL 700 MB WINDS ARE 80-90KT BY SUNDAY MORNING. SUFFICE
IT TO SAY, STORMY WEATHER WILL PERSIST THROUGH THIS WEEKEND. SNOW
LEVELS ARE EXPECTED TO LOWER DOWN TO NEAR 3500 FEET WITH SOME
LIGHT SNOW ACCUMULATIONS AT THE HIGHER PASSES BY MONDAY MORNING. A
BREAK IS EXPECTED AGAIN EARLY NEXT WEEK, BUT ANOTHER STORM IN THE
PIPELINE IS EXPECTED MONDAY NIGHT INTO TUESDAY. SPILDE

&&

.AVIATION...THE MAIN IMPACT TODAY WILL BE STRENGTHENING WINDS AND
INCREASING TURBULENCE ACROSS THE FORECAST AREA. A STRONG FRONT
WILL MOVE ONSHORE...POTENTIAL FOR LOW LEVEL WIND SHEAR AT THE
COAST WILL TRANSITION TO GUSTY WINDS AT THE SURFACE THIS MORNING.
IN ADDITION TO THE COAST...ANOTHER ESPECIALLY HAZARDOUS FLYING
AREA TODAY WILL BE IN THE MOUNT SHASTA AREA...WHERE IFR CONDITIONS
ARE EXPECTED AS PRECIPITATION RATES INCREASE. LOW LEVEL WIND
SHEAR IS A POSSIBILITY OVER THE WEST SIDE VALLEYS THIS MORNING...WITH
A BRIEF PERIOD OF IFR CEILINGS POSSIBLE IN ROSEBURG LATE TONIGHT
AND PRIMARILY VFR CONDITIONS IN MEDFORD. BY LATE THURSDAY
MORNING...THE FRONT WILL BE GENERATING STRONG SOUTH WINDS AND
TURBULENCE ACROSS THE ENTIRE FORECAST AREA. EAST SIDE TERMINALS
SHOULD SEE A MIX OF MVFR AND VFR CEILINGS OVERNIGHT INTO THURSDAY.

&&

.MFR WATCHES/WARNINGS/ADVISORIES...
OR...HIGH WIND WARNING UNTIL 4 PM PST FRIDAY FOR ORZ029>031.
     FLOOD WATCH FROM THIS AFTERNOON THROUGH FRIDAY EVENING FOR
     ORZ028.
     HIGH WIND WARNING UNTIL 4 PM PST THIS AFTERNOON FOR ORZ021-022.
     FLOOD WATCH FROM 10 AM PST THIS MORNING THROUGH FRIDAY AFTERNOON
     FOR ORZ022-024.
     HIGH SURF WARNING UNTIL NOON PST TODAY FOR ORZ021-022.
     FLOOD WATCH FROM 10 AM PST THIS MORNING THROUGH FRIDAY MORNING
     FOR ORZ021-023.
     FLOOD WATCH FROM THIS AFTERNOON THROUGH FRIDAY EVENING FOR
     ORZ026.
     WIND ADVISORY UNTIL 4 PM PST THIS AFTERNOON FOR ORZ026.

CA...HIGH WIND WARNING UNTIL 4 PM PST FRIDAY FOR CAZ084-085.
     FLOOD WATCH FROM THIS AFTERNOON THROUGH FRIDAY EVENING FOR
     CAZ080-082-083.
     FLOOD WATCH FROM THIS AFTERNOON THROUGH FRIDAY EVENING FOR
     CAZ081.
     WINTER STORM WARNING UNTIL 7 AM PST FRIDAY ABOVE 5000 FEET FOR
     CAZ082-083.
     HIGH WIND WARNING UNTIL 4 AM PST FRIDAY FOR CAZ081.

PZ...STORM WARNING UNTIL NOON PST TODAY FOR PZZ350-356.
     HAZARDOUS SEAS WARNING UNTIL 10 AM PST SATURDAY FOR PZZ350-356.
     STORM WARNING UNTIL NOON PST TODAY FOR PZZ370-376.
     HAZARDOUS SEAS WARNING UNTIL 10 AM PST SATURDAY FOR PZZ370-376.

SPILDE/STOCKTON/BPN

In the hours before

Local storm report, Nov 29, 5:31 AM PST, 10 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MEDFORD OR
531 AM PST THU NOV 29 2012

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

0529 AM     HEAVY RAIN       6 SW MERLIN             42.46N 123.49W
11/29/2012  M0.50 INCH       JOSEPHINE          OR   TRAINED SPOTTER

            TOTAL OVER PAST TWO HOURS.

&&

BPN

The radar

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

Open the radar archive at this moment

Event by event

2 flood. Local standard time, as filed.

Flood, Curry

When
November 29, 5:41 AM PST to 6:36 PM PST
Where
Curry County, Gold Beach to 6.39 mi WNW of Carpenterville
Cause
Heavy Rain
Property damage
$4.0 million
Reported by
Newspaper
Coordinates
42.250, -124.420

The Curry Coastal Pilot reported over 2 million dollars in infrastructure damage in Brookings and another 2 million in Curry County due to recent heavy rains. Sinkholes and overflowing sewage facilities were also reported.

Flood, Josephine

When
November 29, 5:41 AM PST to 6:36 PM PST
Where
Josephine County, Grants Pass to Merlin
Cause
Heavy Rain
Property damage
$4.0 million
Reported by
Trained Spotter
Coordinates
42.430, -123.320

Spotters reported up to five inches of rain along with localized flooding with this storm. Local roads near OBrien were flooded in four different places.

What these are

Flood
Flooding that develops more slowly than a flash flood: rivers leaving their banks, or water standing over land for an extended time.

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

The same day elsewhere

More

Every storm in Oregon in 2012Every state in 2012This day in weather historyWarnings in Oregon, November 2012

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: 418496, 418497.