Alert archive / Montana / Winter Storm Warnings in 2017
Winter Storm Warning 3, NWS Missoula, MT
NWS Missoula, MT issued this winter storm warning at Jan 17, 2017, 1:42 PM MST for 5 counties in Montana; Clearwater County, Idaho County, Idaho. It took effect at Jan 17, 2017, 2:00 PM MST. It was in force for 25 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jan 17, 2017, 1:42 PM MST (20:42 UTC)
- In effect from
- Jan 17, 2017, 2:00 PM MST
- Expired
- Jan 18, 2017, 3:13 PM MST
- In force
- 25 hr
- Issued by
- NWS Missoula, MT
Counties Clearwater County, ID, Idaho County, ID, Flathead County, MT, Lincoln County, MT, Mineral County, MT, Missoula County, MT, Sanders County, MT
The radar
The Missoula radar (KMSX), 79 km from the middle of the area, began a volume at 20:45 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Spokane, WA (KOTX), launched 12:00Z, 8.7 hours before the alert went out and 117 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1131 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 283 m²/s²
- 0-3 km storm-relative helicity
- 321 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
748 WWUS45 KMSO 172042 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 142 PM MST TUE JAN 17 2017 MTZ001-182045- /O.NEW.KMSO.WS.W.0003.170117T2100Z-170119T0600Z/ 142 PM MST TUE JAN 17 2017 ...WINTER STORM WARNING IN EFFECT UNTIL 11 PM MST WEDNESDAY... * IMPACTS/TIMING: LIGHT SNOW AND POTENTIALLY FREEZING DRIZZLE WILL MOVE OVER LINCOLN COUNTY THIS AFTERNOON. PRECIPITATION WILL DIMINISH THIS EVENING...THEN INTENSIFY BY WEDNESDAY MORNING. PRECIPITATION WILL START OFF AS SNOW...THEN A PERIOD OF FREEZING RAIN AND FINALLY TO ALL RAIN BY WEDNESDAY AFTERNOON. AREAS CLOSER TO THE MONTANA/IDAHO BORDER WILL EXPERIENCE THE HEAVIEST AMOUNTS. REFREEZE ON ROADS IS POSSIBLE AFTER SUNSET WEDNESDAY DUE TO COLD SUB SURFACE TEMPERATURES. HAZARDOUS DRIVING CONDITIONS WILL BE POSSIBLE TONIGHT THROUGH WEDNESDAY EVENING. * SNOW ACCUMULATIONS: 1 TO 3 INCHES FOR THE WESTERN HALF OF LINCOLN COUNTY. * ICE ACCUMULATIONS: GENERALLY LESS THAN A TENTH OF AN INCH...POTENTIALLY UP TO A QUARTER OF INCH FOR THE BULL RIVER UP TOWARDS YAAK. * LOCATIONS IMPACTED INCLUDE: HIGHWAY 2 KALISPELL TO LIBBY, HIGHWAY 37 EUREKA TO LIBBY, HIGHWAY 56 BULL LAKE ROAD, AND HIGHWAY 93 EUREKA TO WHITEFISH $$ MTZ004-182045- /O.NEW.KMSO.WS.W.0003.170118T0600Z-170119T0600Z/ 142 PM MST TUE JAN 17 2017 ...WINTER STORM WARNING IN EFFECT FROM 11 PM THIS EVENING TO 11 PM MST WEDNESDAY... * IMPACTS/TIMING: PRECIPITATION WILL MOVE INTO THE AREA WEDNESDAY MORNING. THE PRECIPITATION WILL START OFF AS SNOW...THEN A PERIOD OF FREEZING RAIN AND FINALLY TO ALL RAIN BY WEDNESDAY AFTERNOON. AREAS CLOSER TO THE MONTANA/IDAHO BORDER WILL EXPERIENCE THE HEAVIEST AMOUNTS. REFREEZE ON ROADS IS POSSIBLE AFTER SUNSET WEDNESDAY DUE TO COLD SUB SURFACE TEMPERATURES. HAZARDOUS DRIVING CONDITIONS WILL BE POSSIBLE LATER TONIGHT TROUGH WEDNESDAY EVENING. * SNOW ACCUMULATIONS: 2 TO 5 INCHES AT LOOKOUT PASS. * ICE ACCUMULATIONS: GENERALLY LESS THAN A TENTH OF AN INCH...POTENTIALLY UP TO A QUARTER OF INCH FOR AREAS CLOSER TO THE MONTANA/IDAHO BORDER. * LOCATIONS IMPACTED INCLUDE: EVARO HILL, HIGHWAY 200 THOMPSON FALLS TO PLAINS, HIGHWAY 200 TROUT CREEK TO HERON, AND I- 90 LOOKOUT PASS TO HAUGAN $$ IDZ005-007-182045- /O.NEW.KMSO.WS.W.0003.170118T0600Z-170119T0600Z/ 1242 PM PST TUE JAN 17 2017 ...WINTER STORM WARNING IN EFFECT FROM 10 PM THIS EVENING TO 10 PM PST WEDNESDAY... * IMPACTS/TIMING: PRECIPITATION WILL MOVE INTO THE AREA WEDNESDAY MORNING. THE PRECIPITATION WILL START OFF AS SNOW...THEN A PERIOD OF FREEZING RAIN IN THE VALLEYS AND FINALLY TO ALL RAIN BY WEDNESDAY AFTERNOON. REFREEZE ON ROADS IS POSSIBLE AFTER SUNSET WEDNESDAY DUE TO COLD SUB SURFACE TEMPERATURES. ANOTHER CONCERN WILL BE WEIGHT LOADING OF SNOW DUE TO THE RAINFALL CAUSING STRAIN ON STRUCTURES. HAZARDOUS DRIVING CONDITIONS WILL BE POSSIBLE LATER TONIGHT TROUGH WEDNESDAY EVENING. * SNOW ACCUMULATIONS: LITTLE TO NO ACCUMULATIONS IN THE LOWER ELEVATIONS WITH 2 TO 5 INCHES ABOVE 4000 FEET. * ICE ACCUMULATIONS: POTENTIALLY UP TO A QUARTER OF AN INCH IN THE LOWER ELEVATIONS OF CLEARWATER COUNTY. * LOCATIONS IMPACTED INCLUDE: ELK RIVER, HIGHWAY 11 PIERCE TO HEADQUARTERS, PIERCE, CAMAS PRAIRIE, GRANGEVILLE AND VICINITY, AND GREER GRADE $$ MTZ003-182045- /O.NEW.KMSO.WW.Y.0004.170118T0600Z-170119T0600Z/ 142 PM MST TUE JAN 17 2017 ...WINTER WEATHER ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 11 PM MST WEDNESDAY... * IMPACTS/TIMING: PRECIPITATION WILL MOVE INTO THE AREA WEDNESDAY MORNING. THE PRECIPITATION WILL START OFF AS SNOW...THEN A PERIOD OF FREEZING RAIN AND FINALLY TO ALL RAIN BY WEDNESDAY AFTERNOON. REFREEZE ON ROADS IS POSSIBLE AFTER SUNSET WEDNESDAY DUE TO COLD SUB SURFACE TEMPERATURES. HAZARDOUS DRIVING CONDITIONS WILL BE POSSIBLE LATER TONIGHT TROUGH WEDNESDAY EVENING. * ICE ACCUMULATIONS: LESS THAN A TENTH OF AN INCH. * LOCATIONS IMPACTED INCLUDE: FLATHEAD LAKE, FLATHEAD VALLEY, MISSION VALLEY, AND POLSON $$ MTZ002-005-043-182045- /O.NEW.KMSO.WW.Y.0004.170118T0600Z-170119T0600Z/ 142 PM MST TUE JAN 17 2017 ...WINTER WEATHER ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 11 PM MST WEDNESDAY... * IMPACTS/TIMING: PRECIPITATION WILL MOVE INTO THE AREA WEDNESDAY MORNING. PRECIPITATION WILL START OFF AS SNOW...THEN A PERIOD OF FREEZING RAIN AND FINALLY TO ALL RAIN BY WEDNESDAY AFTERNOON. REFREEZE ON ROADS IS POSSIBLE AFTER SUNSET WEDNESDAY DUE TO COLD SUB SURFACE TEMPERATURES. HAZARDOUS DRIVING CONDITIONS WILL BE POSSIBLE LATER TONIGHT TROUGH WEDNESDAY EVENING. * ICE ACCUMULATIONS: LESS THAN A TENTH OF AN INCH. * LOCATIONS IMPACTED INCLUDE: BAD ROCK CANYON, ESSEX, HIGHWAY 83 BIGFORK TO SWAN LAKE, MARIAS PASS, POLEBRIDGE, BITTERROOT VALLEY, MISSOULA, HIGHWAY 200 BONNER TO GREENOUGH, HIGHWAY 83 SEELEY LAKE TO CONDON, AND I-90 EAST MISSOULA TO BEARMOUTH $$ IDZ006-182045- /O.NEW.KMSO.WW.Y.0004.170118T0600Z-170119T0600Z/ 1242 PM PST TUE JAN 17 2017 ...WINTER WEATHER ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 10 PM PST WEDNESDAY... * IMPACTS/TIMING: PRECIPITATION WILL MOVE INTO THE AREA WEDNESDAY MORNING. THE PRECIPITATION WILL START OFF AS SNOW...THEN A PERIOD OF FREEZING RAIN AND FINALLY TO ALL RAIN BY WEDNESDAY AFTERNOON. REFREEZE ON ROADS IS POSSIBLE AFTER SUNSET WEDNESDAY DUE TO COLD SUB SURFACE TEMPERATURES. HAZARDOUS DRIVING CONDITIONS WILL BE POSSIBLE LATER TONIGHT TROUGH WEDNESDAY EVENING. * ICE ACCUMULATIONS: LESS THAN A TENTH OF AN INCH. * LOCATIONS IMPACTED INCLUDE: DIXIE, ELK CITY, AND HIGHWAY 12 LOWELL TO LOLO PASS $$
2 follow-up statements
957 WWUS45 KMSO 181150 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 450 AM MST WED JAN 18 2017 MTZ001-190600- /O.CON.KMSO.WS.W.0003.000000T0000Z-170119T0600Z/ 450 AM MST WED JAN 18 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * IMPACTS/TIMING: SNOW WILL TRANSITION TO SLEET AND FREEZING RAIN LATER THIS MORNING. SOME AREAS MAY STAY SNOW THROUGH THE AFTERNOON HOURS WHILE PLACES LIKE HIGHWAY 28 MAY CHANGE TO PLAIN RAIN. AREAS CLOSER TO THE MONTANA/IDAHO BORDER WILL EXPERIENCE THE HEAVIEST PRECIPITATION. REFREEZE ON ROADS IS POSSIBLE AFTER SUNSET DUE TO COLD SUB SURFACE TEMPERATURES. QUICKLY CHANGING AND SLICK DRIVING CONDITIONS SHOULD BE PLANNED FOR THROUGH THIS EVENING. * SNOW ACCUMULATIONS: 1 TO 3 INCHES WITH SOME LOCATIONS THAT STAY MOSTLY SNOW EXPERIENCING MUCH HIGHER AMOUNTS. * ICE ACCUMULATIONS: GENERALLY LESS THAN A TENTH OF AN INCH... POTENTIALLY UP TO A QUARTER OF INCH FOR THE BULL RIVER UP TOWARDS YAAK. * LOCATIONS IMPACTED INCLUDE: HIGHWAY 2 KALISPELL TO LIBBY, HIGHWAY 37 EUREKA TO LIBBY, HIGHWAY 56 BULL LAKE ROAD, AND HIGHWAY 93 EUREKA TO WHITEFISH $$ MTZ004-190600- /O.CON.KMSO.WS.W.0003.000000T0000Z-170119T0600Z/ 450 AM MST WED JAN 18 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * IMPACTS/TIMING: PERIODS OF MODERATE TO HEAVY SNOW WILL PERSIST UNTIL MID-MORNING WHEN A TRANSITION TO SLEET AND FREEZING RAIN IS EXPECTED AT LOOKOUT PASS. LOWER ELEVATIONS WILL CONTINUE TO EXPERIENCE FREEZING RAIN INTO THIS AFTERNOON POSSIBLY LASTING THROUGH TONIGHT. AREAS CLOSER TO THE MONTANA/IDAHO BORDER WILL EXPERIENCE THE HEAVIEST PRECIPITATION AMOUNTS. REFREEZE ON ROADS IS POSSIBLE AFTER SUNSET DUE TO COLD SUB SURFACE TEMPERATURES. HAZARDOUS DRIVING CONDITIONS WILL BE PRESENT THROUGH THIS EVENING. * SNOW ACCUMULATIONS: 3 TO 6 INCHES AT LOOKOUT PASS. * ICE ACCUMULATIONS: GENERALLY LESS THAN A TENTH OF AN INCH... POTENTIALLY UP TO A QUARTER OF INCH FOR AREAS CLOSER TO THE MONTANA/IDAHO BORDER. * LOCATIONS IMPACTED INCLUDE: EVARO HILL, HIGHWAY 200 THOMPSON FALLS TO PLAINS, HIGHWAY 200 TROUT CREEK TO HERON, AND I- 90 LOOKOUT PASS TO HAUGAN $$ IDZ005-007-190600- /O.CON.KMSO.WS.W.0003.000000T0000Z-170119T0600Z/ 350 AM PST WED JAN 18 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING... * IMPACTS/TIMING: SNOW, SLEET OR FREEZING RAIN WILL BE EXPECTED TODAY ESPECIALLY EAST AND NORTH OF GRANGEVILLE TO WESTERN CLEARWATER COUNTY. SOME AREAS MAY STAY ALL SNOW AND INTENSITIES COULD BE QUITE HEAVY AT TIMES THIS MORNING. THIS COULD CONTRIBUTE TO SPOTTY POWER OUTAGES. WHILE FREEZING RAIN COULD LINGER INTO THE AFTERNOON AS COLD AIR TRIES TO HOLD ON, OTHER LOCATIONS COULD CHANGE TO PLAIN RAIN. REFREEZE ON ROADS IS POSSIBLE AFTER SUNSET DUE TO COLD SUB SURFACE TEMPERATURES. ANOTHER CONCERN WILL BE WEIGHT LOADING OF SNOW DUE TO THE RAINFALL CAUSING STRAIN ON STRUCTURES. HAZARDOUS DRIVING CONDITIONS WILL BE PRESENT THROUGH THIS EVENING. * SNOW ACCUMULATIONS: 1 TO 3 INCHES IN THE LOWER ELEVATIONS WITH 3 TO 8 INCHES ABOVE 2000 FEET. * ICE ACCUMULATIONS: POTENTIALLY UP TO A QUARTER OF AN INCH IN THE LOWER ELEVATIONS OF CLEARWATER COUNTY. * LOCATIONS IMPACTED INCLUDE: ELK RIVER, HIGHWAY 11 PIERCE TO HEADQUARTERS, PIERCE, CAMAS PRAIRIE, GRANGEVILLE AND VICINITY, AND GREER GRADE $$ IDZ008-190600- /O.EXA.KMSO.WW.Y.0004.000000T0000Z-170119T0600Z/ 350 AM PST WED JAN 18 2017 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 10 PM PST THIS EVENING FOR HIGHWAY 95 SOUTH OF RIGGINS AND AT WHITE BIRD GRADE... * IMPACTS/TIMING: SNOW WILL MIX WITH SLEET AND FREEZING RAIN LATER THIS MORNING. SLICK ROAD CONDITIONS ARE EXPECTED TODAY. * SNOW ACCUMULATIONS: 1 TO 2 INCHES. * ICE ACCUMULATION: TRACE TO A TENTH OF AN INCH. $$ MTZ003-190600- /O.CON.KMSO.WW.Y.0004.000000T0000Z-170119T0600Z/ 450 AM MST WED JAN 18 2017 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * IMPACTS/TIMING: PERIODS OF SNOW OR FREEZING RAIN ARE EXPECTED THROUGH THIS EVENING. A FEW LOCATIONS MAY CHANGE TO ALL RAIN BY THIS AFTERNOON. REFREEZE ON ROADS IS POSSIBLE AFTER SUNSET DUE TO COLD SUB SURFACE TEMPERATURES. QUICKLY CHANGING AND SLICK DRIVING CONDITIONS WILL BE PRESENT AT TIMES THROUGH THIS EVENING. * ICE ACCUMULATIONS: LESS THAN A TENTH OF AN INCH. * LOCATIONS IMPACTED INCLUDE: FLATHEAD LAKE, FLATHEAD VALLEY, MISSION VALLEY, AND POLSON $$ MTZ002-005-043-190600- /O.CON.KMSO.WW.Y.0004.000000T0000Z-170119T0600Z/ 450 AM MST WED JAN 18 2017 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * IMPACTS/TIMING: PERIODS OF SNOW OR FREEZING RAIN ARE EXPECTED THROUGH THIS EVENING. SOME LOCATIONS MAY CHANGE TO PLAIN RAIN BY THIS AFTERNOON. REFREEZE ON ROADS IS POSSIBLE AFTER SUNSET DUE TO COLD SUB SURFACE TEMPERATURES. QUICKLY CHANGING AND SLICK DRIVING CONDITIONS SHOULD BE PLANNED FOR THROUGH THIS EVENING. * ICE ACCUMULATIONS: LESS THAN A TENTH OF AN INCH. * LOCATIONS IMPACTED INCLUDE: BAD ROCK CANYON, ESSEX, HIGHWAY 83 BIGFORK TO SWAN LAKE, MARIAS PASS, POLEBRIDGE, BITTERROOT VALLEY, MISSOULA, HIGHWAY 200 BONNER TO GREENOUGH, HIGHWAY 83 SEELEY LAKE TO CONDON, AND I-90 EAST MISSOULA TO BEARMOUTH $$ IDZ006-190600- /O.CON.KMSO.WW.Y.0004.000000T0000Z-170119T0600Z/ 350 AM PST WED JAN 18 2017 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING... * IMPACTS/TIMING: PERIODS OF SNOW OR FREEZING RAIN ARE EXPECTED THROUGH THIS EVENING. PRECIPITATION INTENSITIES MAY BE HEAVY THIS MORNING ALONG HIGHWAY 12 WEST OF LOLO PASS TO LOWELL. A FEW LOCATIONS MAY CHANGE TO PLAIN RAIN THIS AFTERNOON. REFREEZE ON ROADS IS POSSIBLE AFTER SUNSET DUE TO COLD SUB SURFACE TEMPERATURES. QUICKLY CHANGING AND SLICK DRIVING CONDITIONS SHOULD BE PLANNED FOR THROUGH THIS EVENING. * ICE ACCUMULATIONS: LESS THAN A TENTH OF AN INCH. * LOCATIONS IMPACTED INCLUDE: DIXIE, ELK CITY, AND HIGHWAY 12 LOWELL TO LOLO PASS $$
051 WWUS45 KMSO 182213 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 313 PM MST WED JAN 18 2017 MTZ001-191800- /O.CAN.KMSO.WS.W.0003.000000T0000Z-170119T0600Z/ /O.EXB.KMSO.WW.Y.0004.000000T0000Z-170119T1800Z/ 313 PM MST WED JAN 18 2017 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 AM MST THURSDAY... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER STORM WARNING. * IMPACTS/TIMING: ANOTHER ROUND OF RAIN/FREEZING RAIN/SNOW IS EXPECTED TONIGHT MAINLY AFTER MIDNIGHT. REFREEZE ON ROADS IS POSSIBLE AFTER SUNSET TODAY DUE TO COLD SUB SURFACE TEMPERATURES. QUICKLY CHANGING AND SLICK DRIVING CONDITIONS SHOULD BE PLANNED FOR THIS EVENING AND THROUGH THE MORNING COMMUTE. * SNOW ACCUMULATIONS: 1 TO 3 INCHES ABOVE 3000 FEET. * LOCATIONS IMPACTED INCLUDE: HIGHWAY 2 KALISPELL TO LIBBY, HIGHWAY 37 EUREKA TO LIBBY, HIGHWAY 56 BULL LAKE ROAD, AND HIGHWAY 93 EUREKA TO WHITEFISH $$ MTZ004-191800- /O.CAN.KMSO.WS.W.0003.000000T0000Z-170119T0600Z/ /O.EXB.KMSO.WW.Y.0004.000000T0000Z-170119T1800Z/ 313 PM MST WED JAN 18 2017 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 AM MST THURSDAY... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER STORM WARNING. * IMPACTS/TIMING: ANOTHER ROUND OF RAIN/FREEZING RAIN/SNOW IS EXPECTED TONIGHT MAINLY AFTER MIDNIGHT. REFREEZE ON ROADS IS POSSIBLE AFTER SUNSET TODAY DUE TO COLD SUB SURFACE TEMPERATURES. QUICKLY CHANGING AND SLICK DRIVING CONDITIONS SHOULD BE PLANNED FOR THIS EVENING AND THROUGH THE MORNING COMMUTE. * SNOW ACCUMULATIONS: 2 TO 4 INCHES AT LOOKOUT PASS. * LOCATIONS IMPACTED INCLUDE: EVARO HILL, HIGHWAY 200 THOMPSON FALLS TO PLAINS, HIGHWAY 200 TROUT CREEK TO HERON, AND I- 90 LOOKOUT PASS TO HAUGAN $$ IDZ005-007-191800- /O.CAN.KMSO.WS.W.0003.000000T0000Z-170119T0600Z/ /O.EXB.KMSO.WW.Y.0004.000000T0000Z-170119T1800Z/ 213 PM PST WED JAN 18 2017 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 10 AM PST THURSDAY... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER STORM WARNING. * IMPACTS/TIMING: ANOTHER ROUND OF RAIN/FREEZING RAIN/SNOW IS EXPECTED THIS EVENING AND SHOULD CONTINUE THROUGH THURSDAY MORNING. ANY WHERE FROM 0.25 TO 0.5 INCH FOR PRECIPITATION WILL BE POSSIBLE OVERNIGHT TONIGHT AND COULD CAUSE ADDITIONAL SNOW LOADING ON ROOFS DUE TO THE ADDED MOISTURE. ADDITIONALLY, REFREEZE ON ROADS IS POSSIBLE AFTER SUNSET TODAY DUE TO COLD SUB SURFACE TEMPERATURES. QUICKLY CHANGING AND SLICK DRIVING CONDITIONS SHOULD BE PLANNED FOR THIS EVENING AND THROUGH THE MORNING COMMUTE. * SNOW ACCUMULATIONS: 2 TO 4 INCHES ABOVE 3500 FEET. * LOCATIONS IMPACTED INCLUDE: ELK RIVER, HIGHWAY 11 PIERCE TO HEADQUARTERS, PIERCE, CAMAS PRAIRIE, GRANGEVILLE AND VICINITY, AND GREER GRADE $$ MTZ002-005-043-182315- /O.CAN.KMSO.WW.Y.0004.000000T0000Z-170119T0600Z/ 313 PM MST WED JAN 18 2017 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER WEATHER ADVISORY. SNOW HAD ENDED FOR MOST AREAS BUT SLICK ROADS MAY PERSIST DUE TO REFREEZING OF ROADS. $$ MTZ003-191800- /O.EXT.KMSO.WW.Y.0004.000000T0000Z-170119T1800Z/ 313 PM MST WED JAN 18 2017 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 11 AM MST THURSDAY... * IMPACTS/TIMING: REFREEZE ON ROADS IS POSSIBLE AFTER SUNSET TODAY DUE TO COLD SUB SURFACE TEMPERATURES. QUICKLY CHANGING AND SLICK DRIVING CONDITIONS SHOULD BE PLANNED FOR THIS EVENING. ANOTHER ROUND OF LIGHT RAIN/FREEZING RAIN/SNOW WILL BE POSSIBLE THURSDAY MORNING AND COULD CAUSE SOME SLICK CONDITIONS FOR THE MORNING COMMUTE. * LOCATIONS IMPACTED INCLUDE: FLATHEAD LAKE, FLATHEAD VALLEY, MISSION VALLEY, AND POLSON $$ IDZ006-191800- /O.EXT.KMSO.WW.Y.0004.000000T0000Z-170119T1800Z/ 213 PM PST WED JAN 18 2017 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 10 AM PST THURSDAY... * IMPACTS/TIMING: ANOTHER ROUND OF RAIN/FREEZING RAIN/SNOW IS EXPECTED THIS EVENING AND SHOULD CONTINUE THROUGH THURSDAY MORNING. REFREEZE ON ROADS IS POSSIBLE AFTER SUNSET TODAY DUE TO COLD SUB SURFACE TEMPERATURES. QUICKLY CHANGING AND SLICK DRIVING CONDITIONS SHOULD BE PLANNED FOR THIS EVENING AND THROUGH THE MORNING COMMUTE ON THURSDAY. * SNOW ACCUMULATIONS: 2 TO 4 INCHES ABOVE 3500 FEET. * LOCATIONS IMPACTED INCLUDE: DIXIE, ELK CITY, AND HIGHWAY 12 LOWELL TO LOLO PASS $$ IDZ008-191800- /O.EXT.KMSO.WW.Y.0004.000000T0000Z-170119T1800Z/ 213 PM PST WED JAN 18 2017 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 10 AM PST THURSDAY FOR HIGHWAY 95 SLATE CREEK TO RIGGINS AND WHITE BIRD GRADE... * IMPACTS/TIMING: ANOTHER ROUND OF WET SNOW IS EXPECTED THIS EVENING AND OVERNIGHT TONIGHT. SLUSHY TO SNOWY ROAD CONDITIONS WILL BE POSSIBLE AT WHITEBIRD GRADE. * SNOW ACCUMULATIONS: 1 TO 3 INCHES AT WHITEBIRD GRADE. $$
The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 17, 1:42 PM MST | Winter Weather Advisory | MSO | Flathead, Granite, Lake, Lincoln, Mineral, Missoula and 3 more | 45 hr |
| Jan 17, 2:39 PM MST | Areal Flood Advisory | MSO | Lemhi | 72 hr |
| Jan 17, 2:44 PM MST | Areal Flood Advisory | MSO | Lemhi | 71 hr |
Nearby
Winter Storm Warnings in Montana, 2017Winter Storm Warnings in Idaho, 2017Every winter storm warning in 2017
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.