An unusually cold late winter storm moved into Southern Oregon and Northern California during this interval. |21/2043 21/2043-22/1200 Heavy Snow ORZ031| downgraded to Snow Advisory at 22/0407 PST.
Every event with a place to put it; 20 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 MFR wrote it up.
An unusually cold late winter storm moved into Southern Oregon and Northern California during this interval. Numerous Heavy Snow Warnings were issued for this system along with a number of Snow Advisories.|Issued Effective Time Warning Zone(s)|20/0413 20/1000-20/2200 Heavy Snow ORZ025 >3000 feet| downgraded to Snow Advisory at 20/1521 PST.|21/1412 21/1412-22/1200 Heavy Snow ORZ029/030| downgraded to Snow Advisory at 22/0407 PST.|21/2043 21/2043-22/1000 Heavy Snow ORZ024/026 >1500 feet| downgraded to Snow Advisory at 22/0407 PST.|21/2043 21/2043-22/1200 Heavy Snow ORZ031| downgraded to Snow Advisory at 22/0407 PST.
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 Feb 20, 3:32 PM PST, 4 hours 28 minutes earlier.
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MEDFORD OR
332 PM PST TUE FEB 20 2007
.SHORT TERM...FRONT IS SLOWLY WORKING ITS WAY SOUTHEASTWARD AT
THIS HOUR AND THE TREND IS FOR IT TO CONTINUE TO SAG INTO NORTHERN
CALIFORNIA THIS EVENING. PRECIPITATION EARLIER DID NOT LOOK THAT
IMPRESSIVE...BUT WITHIN THE LAST COUPLE OF HOURS THERE HAD BEEN
SOME ENHANCEMENT DUE TO THE APPROACHING JET STREAK. BOTH THE GFS
AND NAM SHOW THE FRONT SHIFTING SOUTH INTO NORTHERN CALIFORNIA
THIS EVENING WITH A WAVE FORMING ALONG THE FRONT OVERNIGHT
TONIGHT. PRECIPITATION OVER THE OREGON ZONES SHOULD DECREASE TO
SHOWERS THIS EVENING THEN THERE COULD BE AN INCREASE IN
PRECIPITATION OVERNIGHT TONIGHT OVER SOUTHERN PART OF KLAMATH
COUNTY. THE MAIN QUESTION WILL BE HOW FAR NORTH THE PRECIPITATION
INCREASE WILL OCCUR. THE REST OF THE OREGON ZONES WILL BE UNDER A
SHOWERY REGIME FROM LATE TONIGHT INTO WEDNESDAY. SNOW LEVELS
START OUT AROUND 3500 FEET OVER THE SISKIYOUS THIS EVENING...THEN
LOWERING TO AROUND 2500 FEET OVERNIGHT TONIGHT. BY
THURSDAY...ANOTHER TROUGH APPROACHES THE CWA THURSDAY AND AT THE
SAME TIME WILL BE DIGGING WITH MOST OF THE ENERGY GOING INTO
NORTHERN CALIFORNIA. SNOW LEVELS WILL REMAIN FAIRLY LOW WITH A
COOL AIRMASS OVER THE CWA. A RIDGE BUILDS OVER THE REGION THURSDAY
NIGHT INTO FRIDAY MORNING WITH SHOWERS BECOMING LESS FREQUENT.
.LONG TERM...H5 LOW JUST OFF THE CENTRAL BC COAST WILL KEEP
NORTHWEST FLOW OVER PAC NW BRINGING SHOWERS THE FA. THE FIRST SHOT
WILL BE SATURDAY AFTERNOON INTO SUNDAY BEFORE TRANSITIONING INTO
SHOWERS. THERE WILL BE A BRIEF BREAK MONDAY BEFORE THE NEXT SYSTEM
MOVES IN MONDAY NIGHT. HAVE KEPT MENTION OF PRECIPITATION THROUGH
THE REMAINDER OF THE FORECAST PERIOD. SNOW LEVELS WILL REMAIN BELOW
PASS LEVELS SO TRAVELERS SHOULD TAKE CAUTION AND BE PREPARED FOR
WINTER WEATHER CONDITIONS OVER MOUNTAIN PASSES. BURTIS
&&
.AVIATION...IFR CONDITIONS EXPECTED ALONG THE COAST THROUGH
WEDNESDAY MORNING. MVFR CONDITIONS INLAND DUE TO SHOWERS TONIGHT
AND WEDNESDAY.
&&
.MFR WATCHES/WARNINGS/ADVISORIES...
OR...SNOW ADVISORY FROM 8 PM THIS EVENING TO 10 AM PST THURSDAY FOR
ORZ029-ORZ030.
SNOW AND BLOWING SNOW ADVISORY UNTIL 10 AM PST WEDNESDAY FOR
ORZ027-ORZ028.
SNOW ADVISORY FROM 8 PM THIS EVENING TO 10 AM PST WEDNESDAY FOR
ORZ025.
HEAVY SNOW WARNING FROM 7 PM THIS EVENING TO 10 AM PST WEDNESDAY
FOR .
CA...SNOW ADVISORY FROM 8 PM THIS EVENING TO 10 AM PST THURSDAY FOR
CAZ081-CAZ084.
HEAVY SNOW WARNING FROM 7 PM THIS EVENING TO 10 AM PST WEDNESDAY
FOR CAZ080.
HEAVY SNOW WARNING FROM 7 PM THIS EVENING TO 10 AM PST THURSDAY
FOR CAZ082-CAZ083.
WIND ADVISORY UNTIL MIDNIGHT PST TONIGHT FOR CAZ081.
PACIFIC COASTAL WATERS...HAZARDOUS SEAS WARNING UNTIL 8 AM PST WEDNESDAY FOR PZZ350-
PZZ356-PZZ370-PZZ376.
PETRUCELLIHAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MEDFORD OR 637 AM PST TUE FEB 20 2007 ORZ029-030-211400- KLAMATH BASIN- NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN LAKE COUNTY- 637 AM PST TUE FEB 20 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHERN OREGON AND NORTHERN CALIFORNIA .DAY ONE...TODAY SNOW ADVISORY FROM 4 PM THIS AFTERNOON THROUGH MIDNIGHT...SEE WINTER WEATHER MESSAGE FOR DETAILS. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH TUESDAY SNOW ADVISORY CONTINUES THROUGH 10 AM THURSDAY...SEE WINTER WEATHER MESSAGE FOR DETAILS. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. ORZ025-027-028-211400- EASTERN DOUGLAS COUNTY FOOTHILLS- SISKIYOU MOUNTAINS AND SOUTHERN OREGON CASCADES- SOUTH CENTRAL OREGON CASCADES- 637 AM PST TUE FEB 20 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHERN OREGON AND NORTHERN CALIFORNIA .DAY ONE...TODAY HEAVY SNOW WARNING IS IN EFFECT FROM 10AM THIS MORNING THROUGH MIDNIGHT FOR THE EASTERN DOUGLAS COUNTY FOOTHILLS...SEE WINTER WEATHER MESSAGE FOR DETAILS. SNOW AND BLOWING SNOW ADVISORY FROM 10AM THIS MORNING THROUGH MIDNIGHT FOR THE SOUTHERN CASCADES AND THE NORTHERN SISKIYOU MOUNTAINS...SEE WINTER WEATHER MESSAGE FOR DETAILS. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH TUESDAY HEAVY SNOW WARNING CONTINUES FOR THE EASTERN DOUGLAS COUNTY FOOTHILLS THROUGH 10AM...SEE WINTER WEATHER PRODUCT FOR DETAILS. SNOW AND BLOWING SNOW ADVISORY CONTINUES FOR THE SOUTHERN CASCADES AND THE NORTHERN SISKIYOU MOUNTAINS THROUGH 10AM...SEE WINTER WEATHER MESSAGE FOR DETAILS. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. CAZ080>083-211400- CENTRAL SISKIYOU COUNTY-NORTH CENTRAL AND SOUTHEAST SISKIYOU COUNTY- SOUTH CENTRAL SISKIYOU COUNTY-WESTERN SISKIYOU COUNTY- 637 AM PST TUE FEB 20 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHERN OREGON AND NORTHERN CALIFORNIA .DAY ONE...TODAY HEAVY SNOW WARNING FOR THE PORTIONS OF WESTERN SISKIYOU COUNTY FROM 4PM THIS AFTERNOON THROUGH MIDNIGHT...SEE WINTER WEATHER MESSAGE FOR DETAILS. SNOW ADVISORY IS IN EFFECT FROM 4PM THIS AFTERNOON THROUGH MIDNIGHT FOR THE NORTH CENTRAL...CENTRAL...SOUTHEAST CENTRAL SISKIYOU COUNTY...SEE WINTER WEATHER MESSAGE FOR DETAILS. HEAVY SNOW WARNING FROM 4PM THIS AFTERNOON THROUGH MIDNIGHT FOR THE NORTH...SOUTH CENTRAL AND SOUTHEAST PORTIONS OF SISKIYOU COUNTY AND NORTHWESTERN MODOC COUNTY...SEE WINTER MESSAGE FOR DETAILS . .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH TUESDAY SNOW ADVISORY FOR THE NORTHCENTRAL...CENTRAL...SOUTHCENTRAL AND WESTERN THROUGH 10AM THURSDAY...SEE WINTER WEATHER MESSAGE FOR DETAILS. HEAVY SNOW WARNING FOR THE WESTERN...SOUTH CENTRAL AND SOUTHEAST PORTIONS OF SISKIYOU COUNTY AND NORTHWESTERN MODOC COUNTY...SEE WINTER WEATHER MESSAGE FOR DETAILS. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. BUNKER
The national radar mosaic for the moment the first event began.
20 heavy snow. Local standard time, as filed.
A spotter north of Keno reported 10.5 inches in 9.5 hours.
A spotter north of Bonanza reported 8 inches of snow in 12 hours ending at 21/0800 with another inch in the 2.5 hours since.
A TV weather spotter near Keno reported a storm total of 18 inches.|
A spotter 19ESE Fort Rock reported 13 inches of snow in 24 hours.
The coop observer at Howard Prairie reported 21.6 inches of snow in 24 hours.
A spotter north of Keno reported 10.0 inches of snow in 24 hours.|
A spotter 11NE of Grants Pass reported 7 inches of snow in 24 hours.
A spotter 2W Siskiyou Summit reported 20 inches of snow in 24 hours. 24.5 inches on the ground.
A spotter 2WNW of Ashland reported 9 inches of snow in 24 hours.
The coop observer at Fort Rock reported 10 inches of snow in 24 hours.
The cooperative observer at Silver Lake recorded 12.2 inches of snow in 24 hours.
A spotter north of Keno reported 11.5 inches of snow in 19 hours, 21.5 inches total.
A spotter 5NE Medford reported 6 inches of snow in 12 hours.|
A spotter 2ESE of Ashland reported 8 inches of snow.
A spotter 5NW Ashland reported 7.5 inches of snow in 12 hours.
A spotter in Ashland reported 6 inches of snow in 12 hours.
A spotter 2WSW Talent reported 8 inches of snow in 12 hours.
A spotter in Klamath Falls reported 6 inches of snow in 12 hours.
A spotter 1SE of Ashland reported 8.5 inches of snow in 6 hours.
A spotter 1SE Ashland reported 4 inches of snow in 8 hours.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Oregon in 2007Every state in 2007This day in weather historyWarnings in Oregon, February 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: 10339, 10340, 10341, 10351, 11041, 10343, 10346, 10352, 10355, 11042, 10382, 10342, 10344, 10348, 10349, 10350, 10353, 10354, 10347, 10356.