Idaho, 2010Tornado in Idaho, October 7, 2010
October 7, 2010 · NWS OTX · 1 event in 1 county or zone
A tornado briefly touched down near the Lewis and Clearwater county line south of Craigmont. Local law enforcement relayed a message of a tornado witnessed by the public just south of New Hope Road near Lawyer Canyon.
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- Deaths
- 0
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- None recorded
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- None recorded
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- 1
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.
A tornado briefly touched down near the Lewis and Clearwater county line south of Craigmont. Local law enforcement relayed a message of a tornado witnessed by the public just south of New Hope Road near Lawyer Canyon. No damage was observed from the tornado.
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 Spokane, WA wrote its last area forecast discussion before the first event at Oct 7, 1:36 PM PST, 2 hours 5 minutes earlier.
Area forecast discussion, Oct 7, 1:36 PM PST, 2 hours 5 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SPOKANE WA
236 PM PDT THU OCT 7 2010
.SYNOPSIS...
STEADY BUT DECREASING RAIN RATES WILL BE AN ISSUE INTO EARLY
EVENING ACROSS FAR EASTERN WASHINGTON AND THE ID PANHANDLE.
OTHERWISE...LINGERING SHOWERS WILL PERSIST OVER THE IDAHO
PANHANDLE THROUGH TONIGHT... WITH ESSENTIALLY DRY BUT CLOUDY
CONDITIONS ELSEWHERE. THE WEATHER PATTERN IS SETTING UP TO BE VERY
WET AND ACTIVE BEGINNING FRIDAY NIGHT AND LASTING THROUGH EARLY
MONDAY AS A MOIST SOUTHWEST FLOW SET UP OVER THE PACIFIC
NORTHWEST. THEN HIGH PRESSURE WILL BUILD BACK INTO THE REGION NEXT
WEEK FOR A DRYING TREND.
&&
.DISCUSSION...
TONIGHT THROUGH SATURDAY...BAROCLINIC BAND SPIRALING OUTWARD ALONG
THE PERIPHERY OF A CLOSED LOW EMBEDDED UNDER THE LARGE LONGWAVE
RIDGE INFLUENCING THE WESTERN US WILL SLOWLY DRIFT TO THE NORTH
AND EAST INTO EASTERN WASHINGTON AND NORTHERN IDAHO BEFORE EXITING
FRIDAY NIGHT. THEREFORE THE FORECAST HAS BEEN STRUCTURED TO SHOW
HIGH POPS AND PRECIPITATION AMOUNTS THAT SPREAD UP FROM THE SOUTH
AND EXIT TO THE NORTH AND EAST AS SHORTWAVE DISTURBANCES GROW AND
EBB IN THE DESCRIBED BAROCLINIC BANDS. BRIEF INTERVAL OF SHORTWAVE
RIDGING SHORTLY AFTER RECEIVING SIGNIFICANT MOISTURE COULD ALLOW
THE RETURN OF FOG AND/OR STRATUS FRIDAY NIGHT INTO SATURDAY
MORNING BEFORE A WET FRONT WITH A WELL ESTABLISHED SUBTROPICAL
MOISTURE TAP MAKES A PASS THROUGH EASTERN WASHINGTON AND NORTHERN
IDAHO SATURDAY. FORECAST TEMPERATURES SHOW A COOLING TREND BASED
ON EITHER THE LOSS OF RIDGING OR INEFFICIENT MIXING AT THE SURFACE
WHEN RIDING TAKES PLACE IN ADDITION TO COOLING BROUGHT ABOUT BY
PRECIPITATION OCCURRENCE. /PELATTI
SAT NT THROUGH MON...RAINFALL AMNTS WILL BE THE MAIN ISSUE WELL
INTO SUNDAY AS THE INBOUND WARMFNT SAT NT PRODUCES WIDESPREAD
STRATIFORM RAINS...FOLLOWED BY COLD FROPA SUNDAY. ALL GUIDANCE
SHOWS SIMILAR TIMING WITH THE FRONTAL PASSAGE SUNDAY
AFTERNOON...WITH THE POST FRONTAL DRY SLOT AND SURGE OF 850 MB
WINDS AROUND 35KTS PRODUCING GUSTY WEST WINDS UNDER CLEARING SKIES
AND CAA LATE SUNDAY. A WIND ADVSY IS NOT EXPECTED ATTM. FOR PCPN
AMNTS...NATIONAL AND LOCAL GUIDANCE IS STILL PRODUCING RAIN AMNTS
OF 1 TO 3 INCHES NEAR THE CREST OF THE CASCADES SAT THROUGH SUN NT...RAPIDLY
TAPERING TO ONE TO TWO TENTHS IN THE PARTIALLY- SHADOWED COLUMBIA
BASIN. THE OTHER REGION BESIDES THE CASCADES THAT WILL SEE THE
MOST RAIN WILL BE NE WA AND THE N ID PANHANDLE MTNS WHERE 1 TO 1.5
INCHES IS EXPECTED AT THE HIGHEST PEAKS. SNOW LEVELS WILL ONLY
FALL TO AROUND 5K FT SUNDAY NT AND MON...WELL AFTER THE HEAVIEST
PCPN THREAT WITH THE COLD FRONT IS OVER.
HYDRO CONCERNS: FOR THE CASCADES...RISES IN STREAMS IS A
CERTAINTY...ESPECIALLY CLOSER THE CREST WHERE THE STEHEKIN RIVER
WILL BE CLOSE TO FLOOD STAGE BY SUNDAY EVENING. MUDSLIDES WILL BE
POSSIBLE ON STEEP AND SPARSELY VEGETATED SLOPES IN THE CASCADES.
FLOOD WATCHES OR ADVISORIES MAY BE ISSUES AS EARLY AS FRIDAY. BZ
MONDAY NIGHT THROUGH WEDNESDAY NIGHT...NICE WEATHER SHOULD RETURN TO
THE REGION AFTER A WET WEEKEND. MODELS ARE IN GENERAL AGREEMENT
THAT ANOTHER BROAD HIGH PRESSURE RIDGE WILL BUILD IN OVER THE
WESTERN US AFTER THIS WEEKEND'S WEATHER SYSTEM MOVES OUT. EXPECT A
WARMING/DRYING TREND THROUGH THE EARLY PART OF THE WEEK WITH HIGHS
TOPPING OUT AT AROUND 5 DEGREES ABOVE AVERAGE FOR MOST AREAS BY
WEDNESDAY. SFC WINDS WILL BE WEAK AND CLOUD COVER WILL BE MINIMAL
UNDER THE RIDGE...SO PATCHY FOG WILL BE AN ISSUE ACROSS THE
NORTHEAST AND PANHANDLE VLYS.
BY THURSDAY...WE START TO SEE THE RIDGE TRANSLATE EASTWARD
CENTERING ITSELF OVER THE ROCKIES. A STRONG JET STREAK OF 160+ KTS
INTO SOUTHERN BC WILL DIG AND AMPLIFY THE NEXT APPROACHING TROUGH.
THE ECMWF MODEL HAS COME MUCH MORE IN LINE WITH THE GFS...SHOWING
A COLD FRONT MOVING THROUGH DURING THE AFTERNOON HOURS. THIS FRONT
LOOKS TO BE FAIRLY DRY WITH BOTH MODELS ONLY SHOWING A VERY NARROW
BAND OF MOISTURE MOVING THROUGH. ALTHOUGH THIS FRONT DOESN'T LOOK
PARTICULARLY WET...IT COULD BE A BIT BREEZY WITH GUSTS 20+ MPH
POSSIBLE. /SVH
&&
.AVIATION...
A BROAD LOW PRESSURE SYSTEM OVER THE GREAT BASIN WILL CHANNEL DEEP
MOISTURE UP INTO THE IDAHO PANHANDLE AND EXTREME EASTERN
WASHINGTON TODAY BRINGING A THREAT OF SHOWERS AND ISOLATED
THUNDERSTORMS EAST OF A LINE FROM KCQV TO KALW. THE BEST CHANCE
FOR A THUNDERSTORM WILL BE AT KLWS AND KPUW...WITH OCCASIONAL
SHOWERS AT KGEG...KSFF AND KCOE. THE MOUNTAINS OF THE IDAHO
PANHANDLE WILL BEAR THE BRUNT OF SHOWER ACTIVITY WITH ISOLATED
THUNDERSTORMS TODAY THROUGH TONIGHT WITH LOCAL TERRAIN
OBSCURATIONS POSSIBLE. ALL TAF SITES WILL BE VFR OUTSIDE OF
THUNDERSTORM CORES. WEST OF THIS LINE VFR CONDITIONS EXPECTED
THROUGH 12Z FRIDAY...BUT WITH OCCASIONAL MID LEVEL AND HIGH LEVEL
CLOUD DECKS.
&&
.PRELIMINARY POINT TEMPS/POPS...
SPOKANE 48 63 48 60 51 61 / 80 10 20 60 70 90
COEUR D'ALENE 50 63 45 57 50 60 / 80 10 10 60 60 100
PULLMAN 47 63 49 62 53 61 / 80 20 10 40 50 90
LEWISTON 53 73 53 68 55 68 / 60 20 10 20 10 70
COLVILLE 45 65 46 61 52 65 / 10 10 20 80 90 100
SANDPOINT 46 62 43 54 49 56 / 70 20 10 60 60 100
KELLOGG 49 61 43 55 49 56 / 80 60 10 50 50 90
MOSES LAKE 46 70 51 67 55 67 / 60 10 30 60 50 60
WENATCHEE 49 68 51 67 54 64 / 10 10 50 60 60 60
OMAK 45 69 48 67 52 66 / 0 10 50 70 80 70
&&
.OTX WATCHES/WARNINGS/ADVISORIES...
ID...NONE.
WA...NONE.
&&
Hazardous weather outlook, Oct 7, 2:55 PM PST, 46 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE SPOKANE WA
355 PM PDT THU OCT 7 2010
IDZ001>004-026-027-WAZ031>038-041-043-044-082300-
NORTHERN PANHANDLE-COEUR D'ALENE AREA-IDAHO PALOUSE-
CENTRAL PANHANDLE MOUNTAINS-LEWISTON AREA-
LEWIS AND SOUTHERN NEZ PERCE COUNTIES-NORTHEAST BLUE MOUNTAINS-
LOWER GARFIELD AND ASOTIN COUNTIES-WASHINGTON PALOUSE-
MOSES LAKE AREA-UPPER COLUMBIA BASIN-SPOKANE AREA-
NORTHEAST MOUNTAINS-OKANOGAN HIGHLANDS-WENATCHEE AREA-
OKANOGAN VALLEY-WATERVILLE PLATEAU-
355 PM PDT THU OCT 7 2010
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH IDAHO...
NORTH CENTRAL IDAHO...CENTRAL WASHINGTON...EAST CENTRAL
WASHINGTON...NORTH CENTRAL WASHINGTON...NORTHEAST WASHINGTON AND
SOUTHEAST WASHINGTON.
.DAY ONE...THIS AFTERNOON AND TONIGHT
NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY
NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
WAZ042-082300-
EAST SLOPES NORTHERN CASCADES-
355 PM PDT THU OCT 7 2010
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL
WASHINGTON.
.DAY ONE...THIS AFTERNOON AND TONIGHT
HAZARDOUS WEATHER IS NOT EXPECTED AT THIS TIME.
.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY
A PAIR OF VERY MOIST PACIFIC STORM SYSTEMS WITH HIGH SNOW LEVELS
HAVE THE POTENTIAL TO BRING 2 TO 4 INCHES OF RAINFALL TO THE HIGH
CASCADES ON SATURDAY AND SUNDAY. IF THIS OCCURS... LOCAL RIVERS
AND STREAMS WILL EXPERIENCE SHARP RISES LATER THIS WEEKEND. THERE
IS A POSSIBILITY OF MUDSLIDES ON STEEP AND SPARSELY VEGETATED
SLOPES NEAR THE CASCADE CREST. THE LATEST FORECAST FOR THE
STEHEKIN RIVER HAS IT CRESTING ABOUT ONE FOOT BELOW FLOOD STAGE
LATE SUNDAY.
Tornado, Lewis
- When
- October 7, 3:41 PM PST to 3:43 PM PST
- Where
- Lewis County, 0.88 mi SW of Harris Siding to 1.27 mi SW of Harris Siding
- Rating
- EF0
- Path length
- 0.39 mi
- Path width
- 30 yd
- Reported by
- Law Enforcement
- Coordinates
- 46.190, -116.361
A tornado was spotted for a brief period by the public just south of New Hope Road near Lawyer Canyon approximately six miles southeast of Craigmont. The tornado then moved into Idaho County (see Storm Data for Idaho).
- Tornado
- A violently rotating column of air in contact with the ground and extending from a thunderstorm, filed with its path, width and Fujita or Enhanced Fujita rating from the damage survey.
After NWS Directive 10-1605, the rules offices file Storm Data by.
- Tornado in Idaho, October 7, 2010$25,000 · EF0 · 2 events
- Hail in Colorado, October 7, 20101.5 in hail · 2 events
- Flood in New York, October 7 to 9, 20101 event
- Dust Devil in Indiana, October 7, 20101 event
- Hail in New Mexico, October 7, 20100.75 in hail · 1 event
- Funnel Cloud in Utah, October 7, 20101 event
- Heavy Rain in American Samoa, October 7, 20101 event
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: 263173.