Alert archive / Montana / Winter Storm Warnings in 2008
Winter Storm Warning 13, NWS Missoula, MT
NWS Missoula, MT issued this winter storm warning at Oct 9, 2008, 2:12 PM MDT for Lemhi County, Idaho; 4 counties in Montana. It took effect at Oct 10, 2008, 12:00 AM MDT. It was in force for 15 hr. 8 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Oct 9, 2008, 2:12 PM MDT (20:12 UTC)
- In effect from
- Oct 10, 2008, 12:00 AM MDT
- Expired
- Oct 10, 2008, 3:00 PM MDT
- In force
- 15 hr
- Issued by
- NWS Missoula, MT
Counties Lemhi County, ID, Deer Lodge County, MT, Granite County, MT, Powell County, MT, Silver Bow County, MT
The radar
The Missoula radar (KMSX), 127 km from the middle of the area, began a volume at 19:54 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Oct 10, 5:30 AM MDT | HEAVY SNOW 11 | 3 S Tendoy, ID | LEMHI COUNTY CIVIL DEFENSE DIRECTOR ESTIMATED 11 INCHES OF SNOW ON HIGHWAY 28 BETWEEN LEMHI AND TENDOY. SNOW WAS VERY WET AND HEAVY. |
| Oct 10, 8:07 AM MDT | HEAVY SNOW 10 | 8 S Butte, MT | MEASUREMENT IS A 12 HOUR STORM TOTAL. SNOW WAS LIGHT WITH LOW WATER CONTENT. |
| Oct 10, 9:03 AM MDT | HEAVY SNOW 6 | Georgetown, MT | TRAINED SPOTTER REPORTED BLOWING SNOW WITH 21 MPH WIND GUSTS. |
| Oct 10, 9:45 AM MDT | SNOW 5 | 30 Nw Challis, ID | SCHWARTZ LAKE SNOTEL, ELEV. 8,540 FT, ESTIMATED SNOW ACUMULATION FROM MIDNIGHT TO 8AM. |
| Oct 10, 10:27 AM MDT | HEAVY SNOW 5.5 | Philipsburg, MT | |
| Oct 10, 12:05 PM MDT | HEAVY SNOW 6 | 1 E Tendoy, ID | SNOW WAS VERY WET AND HEAVY. |
| Oct 10, 1:28 PM MDT | HEAVY SNOW 12.5 | 8 S Butte, MT | MEASUREMENT IS AN 18 HOUR STORM TOTAL. SNOW WAS LIGHT WITH LOW WATER CONTENT. |
| Oct 10, 2:25 PM MDT | SNOW 6.5 | 30 Nw Challis, ID | SCHWARTZ LAKE SNOTEL, 8,540 FT, ESTIMATED SNOW ACUMULATION FROM MIDNIGHT TO NOON. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Great_falls, MT (KTFX), launched 12:00Z, 8.2 hours before the alert went out and 254 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
- 1782 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- -80 m²/s²
- 0-3 km storm-relative helicity
- 88 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS45 KMSO 092012 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 212 PM MDT THU OCT 9 2008 ...FIRST MAJOR WINTER STORM OF THE FALL SEASON TO AFFECT SOUTHWEST MONTANA AND LEMHI COUNTY IDAHO... .A COLD UPPER LOW PRESSURE SYSTEM WILL BE MOVING INTO SOUTHERN IDAHO LATE TONIGHT AND FRIDAY. THIS SYSTEM WILL BE FOCUSING SNOW WITH DEVELOPING GUSTY WINDS OVER SOUTHWEST MONTANA AND LEMHI COUNTY OF NORTH CENTRAL IDAHO AS MOISTURE CIRCULATES AROUND THE LOW SYSTEM. A PROLONGED PERIOD OF SNOW STARTING LATE TONIGHT THROUGH SATURDAY IS EXPECTED IN THESE AREAS WITH THE HEAVIEST PERIOD OF SNOW EXPECTED OVER THE HIGHER ELEVATIONS FRIDAY. GUSTY NORTH TO NORTHEAST WINDS WILL DEVELOP EARLY FRIDAY AND LAST THROUGH SATURDAY CREATING AREAS OF BLOWING AND DRIFTING SNOW IN EXPOSED AREAS OF HIGHER TERRAIN. MTZ007-101200- /O.UPG.KMSO.WW.Y.0008.081010T0600Z-081010T1800Z/ /O.NEW.KMSO.WS.W.0013.081010T0900Z-081012T0000Z/ BUTTE/BLACKFOOT REGION- 212 PM MDT THU OCT 9 2008 ...WINTER STORM WARNING IN EFFECT FROM 3 AM FRIDAY TO 6 PM MDT SATURDAY SOUTH OF GARRISON JUNCTION... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 3 AM FRIDAY TO 6 PM MDT SATURDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. TOTAL SNOW ACCUMULATIONS OF 5 TO 10 INCHES ARE EXPECTED IN THE WARNED AREA BY SATURDAY AFTERNOON...WITH THE GREATEST IMPACT OF SNOW OCCURRING NEAR BUTTE TO HOMESTAKE PASS...INCLUDING GEORGETOWN LAKE. LESSER SNOW AMOUNTS OF 2 TO 4 INCHES ARE POSSIBLE NORTH OF GARRISON JUNCTION AND NEAR PHILIPSBURG. IN ADDITION...GUSTY NORTH TO NORTHEAST WINDS 15 TO 20 MPH WITH GUSTS TO 30 MPH WILL BE DEVELOPING FRIDAY...WHICH WILL CAUSE AREAS OF BLOWING AND DRIFTING SNOW. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND BLOWING SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS AND WIND CHILLS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ IDZ010-101200- /O.UPG.KMSO.WW.Y.0008.081010T0600Z-081010T1800Z/ /O.NEW.KMSO.WS.W.0013.081010T0600Z-081012T0000Z/ EASTERN LEMHI COUNTY- 212 PM MDT THU OCT 9 2008 ...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM MDT SATURDAY FOR SOUTHEAST LEMHI COUNTY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM MDT SATURDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. TOTAL SNOW ACCUMULATIONS OF 5 TO 10 INCHES ARE EXPECTED ALONG THE HIGHER ELEVATIONS OF THE CONTINENTAL DIVIDE AND SOUTH OF TENDOY. LESSER SNOW AMOUNTS OF 2 TO 4 INCHES ARE POSSIBLE AT THE LOWER ELEVATIONS AND NORTH OF TENDOY. IN ADDITION...GUSTY NORTH TO NORTHEAST WINDS OF 15 TO 20 MPH WITH GUSTS TO 30 MPH WILL BE DEVELOPING FRIDAY...WHICH WILL CAUSE AREAS OF BLOWING SNOW AND DRIFTING SNOW. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND BLOWING SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS AND WIND CHILLS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ MTZ006-101200- /O.NEW.KMSO.WW.Y.0009.081010T0600Z-081010T1800Z/ BITTERROOT/SAPPHIRE MOUNTAINS- 212 PM MDT THU OCT 9 2008 ...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 12 PM MDT FRIDAY FOR LOST TRAIL PASS... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 12 PM MDT FRIDAY. TOTAL SNOW ACCUMULATIONS OF 3 TO 5 INCHES ARE EXPECTED BY FRIDAY MIDDAY OVER LOST TRAIL PASS. IN ADDITION...GUSTY NORTHEAST WINDS OF 15 TO 20 MPH WITH GUSTS TO 30 MPH WILL BE DEVELOPING FRIDAY...WHICH WILL CAUSE BLOWING AND DRIFTING SNOW. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ FELSCH/ALLEGRETTO
4 follow-up statements
000 WWUS45 KMSO 100947 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 347 AM MDT FRI OCT 10 2008 ...FIRST MAJOR WINTER STORM OF THE FALL SEASON TO AFFECT SOUTHWEST MONTANA AND LEMHI COUNTY IDAHO... .A COLD UPPER LOW PRESSURE SYSTEM HAS MOVED OVER SOUTHERN IDAHO TODAY. THIS SYSTEM WILL BE FOCUSING SNOW WITH DEVELOPING GUSTY NORTH WINDS OVER SOUTHWEST MONTANA AND LEMHI COUNTY OF NORTH CENTRAL IDAHO AS MOISTURE CIRCULATES AROUND THE LOW SYSTEM. A PROLONGED PERIOD OF SNOW LASTING THROUGH SATURDAY IS EXPECTED IN THESE AREAS WITH THE HEAVIEST PERIOD OF SNOW EXPECTED OVER THE HIGHER ELEVATIONS TODAY. GUSTY NORTH TO NORTHEAST WINDS WILL DEVELOP THIS MORNING AND LAST THROUGH SATURDAY CREATING AREAS OF BLOWING AND DRIFTING SNOW IN EXPOSED AREAS OF HIGHER TERRAIN. IDZ010-101800- /O.CON.KMSO.WS.W.0013.000000T0000Z-081012T0000Z/ EASTERN LEMHI COUNTY- 347 AM MDT FRI OCT 10 2008 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT SATURDAY FOR SOUTHEAST LEMHI COUNTY... A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW REMAINS IN EFFECT UNTIL 6 PM MDT SATURDAY. TOTAL SNOW ACCUMULATIONS OF 5 TO 10 INCHES ARE EXPECTED ALONG THE HIGHER ELEVATIONS OF THE CONTINENTAL DIVIDE AND SOUTH OF TENDOY BY SATURDAY. LESSER SNOW AMOUNTS OF 2 TO 4 INCHES ARE POSSIBLE AT THE LOWER ELEVATIONS AND NORTH OF TENDOY. IN ADDITION...GUSTY NORTH TO NORTHEAST WINDS OF 15 TO 25 MPH WILL BE DEVELOPING TODAY WHICH WILL CAUSE AREAS OF BLOWING SNOW AND DRIFTING SNOW. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND BLOWING SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS AND WIND CHILLS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS. $$ MTZ007-101800- /O.CON.KMSO.WS.W.0013.000000T0000Z-081012T0000Z/ BUTTE/BLACKFOOT REGION- 347 AM MDT FRI OCT 10 2008 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT SATURDAY SOUTH OF GARRISON JUNCTION... A WINTER STORM WARNING REMAINS IN EFFECT FOR SNOW AND BLOWING SNOW...UNTIL 6 PM MDT SATURDAY. TOTAL SNOW ACCUMULATIONS OF 4 TO 8 INCHES ARE EXPECTED IN THE WARNED AREA BY SATURDAY AFTERNOON...WITH THE GREATEST IMPACT OF SNOW OCCURRING NEAR BUTTE TO HOMESTAKE PASS...INCLUDING GEORGETOWN LAKE. LESSER SNOW AMOUNTS OF 2 TO 3 INCHES ARE POSSIBLE NORTH OF GARRISON JUNCTION AND NEAR PHILIPSBURG. IN ADDITION...GUSTY NORTH TO NORTHEAST WINDS 15 TO 20 MPH WITH GUSTS TO 30 MPH WILL BE DEVELOPING TODAY...WHICH WILL CAUSE AREAS OF BLOWING AND DRIFTING SNOW. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND BLOWING SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS AND WIND CHILLS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS. $$ MTZ006-101800- /O.CON.KMSO.WW.Y.0009.000000T0000Z-081010T1800Z/ BITTERROOT/SAPPHIRE MOUNTAINS- 347 AM MDT FRI OCT 10 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT TODAY FOR LOST TRAIL PASS AND SOUTHERN SAPPHIRE MOUNTAINS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW REMAINS IN EFFECT UNTIL NOON MDT TODAY. TOTAL SNOW ACCUMULATIONS OF 3 TO 5 INCHES ARE EXPECTED BY THIS AFTERNOON OVER LOST TRAIL PASS. IN ADDITION...GUSTY NORTHEAST WINDS OF 15 TO 20 MPH WITH GUSTS TO 30 MPH WILL BE DEVELOPING ...WHICH WILL CAUSE BLOWING AND DRIFTING SNOW. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$
000 WWUS45 KMSO 101609 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 1009 AM MDT FRI OCT 10 2008 ...FIRST MAJOR WINTER STORM OF THE FALL SEASON TO AFFECT SOUTHWEST MONTANA AND LEMHI COUNTY IDAHO... .A COLD UPPER LOW PRESSURE SYSTEM HAS MOVED OVER SOUTHERN IDAHO TODAY. THIS SYSTEM WILL BE FOCUSING SNOW WITH DEVELOPING GUSTY NORTH WINDS OVER SOUTHWEST MONTANA AND LEMHI COUNTY OF NORTH CENTRAL IDAHO AS MOISTURE CIRCULATES AROUND THE LOW SYSTEM. A PROLONGED PERIOD OF SNOW LASTING THROUGH SATURDAY IS EXPECTED IN THESE AREAS WITH THE HEAVIEST PERIOD OF SNOW EXPECTED OVER THE HIGHER ELEVATIONS TODAY. GUSTY NORTH TO NORTHEAST WINDS WILL DEVELOP THIS MORNING AND LAST THROUGH SATURDAY CREATING AREAS OF BLOWING AND DRIFTING SNOW IN EXPOSED AREAS OF HIGHER TERRAIN. IDZ010-102100- /O.CON.KMSO.WS.W.0013.000000T0000Z-081012T0000Z/ EASTERN LEMHI COUNTY- 1009 AM MDT FRI OCT 10 2008 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT SATURDAY FOR SOUTHEAST LEMHI COUNTY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT SATURDAY. TOTAL SNOW ACCUMULATIONS OF 6 TO 12 INCHES ARE EXPECTED IN THE MOUNTAINS SOUTH OF TENDOY INCLUDING LEMHI AND BANNOCK PASSES. THE LOWER ELEVATIONS IN THIS AREA ALONG ROUTE 28 WILL LIKELY SEE 2 TO 4 INCHES BY SATURDAY. IN ADDITION...GUSTY NORTH TO NORTHEAST WINDS OF 15 TO 30 MPH WILL BE DEVELOPING TODAY WHICH WILL CAUSE AREAS OF BLOWING AND DRIFTING SNOW PARTICULARLY OVER THE PASSES AND IN THE GILMORE SUMMIT AREA. THE SALMON AREA AND NORTHERN PORTIONS OF THE LEMHI COUNTY WILL SEE LIGHT SNOW ACCUMULATIONS THROUGH THIS EVENT. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND BLOWING SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS AND WIND CHILLS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS. $$ MTZ007-102100- /O.CON.KMSO.WS.W.0013.000000T0000Z-081012T0000Z/ BUTTE/BLACKFOOT REGION- 1009 AM MDT FRI OCT 10 2008 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT SATURDAY SOUTH OF GARRISON JUNCTION... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT SATURDAY. ADDITIONAL SNOW ACCUMULATIONS OF 4 TO 10 INCHES ARE EXPECTED IN THE WARNED AREA BY SATURDAY AFTERNOON...WITH THE GREATEST AMOUNTS OCCURRING NEAR GEORGETOWN LAKE...HOMESTAKE PASS...AND THE FOOTHILLS AROUND BUTTE. THE AREAS AROUND ANACONDA AND BUTTE COULD SEE 3 TO 6 INCHES OF SNOW MAINLY LATE THIS AFTERNOON THROUGH SATURDAY. IN ADDITION...GUSTY NORTH TO NORTHEAST WINDS 15 TO 20 MPH WITH GUSTS TO 30 MPH WILL BE DEVELOPING TODAY...WHICH WILL CAUSE AREAS OF BLOWING SNOW. LESSER SNOW AMOUNTS OF 2 TO 3 INCHES ARE POSSIBLE NORTH OF GARRISON JUNCTION AND NEAR PHILIPSBURG. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND BLOWING SNOW ARE EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY HAZARDOUS AND ALSO COULD CAUSE DAMAGE TO DECIDUOUS VEGETATION THAT STILL HAVE LEAVES. $$ MTZ006-101800- /O.CON.KMSO.WW.Y.0009.000000T0000Z-081010T1800Z/ BITTERROOT/SAPPHIRE MOUNTAINS- 1009 AM MDT FRI OCT 10 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT TODAY FOR LOST TRAIL PASS AND SOUTHERN SAPPHIRE MOUNTAINS... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT TODAY. TOTAL SNOW ACCUMULATIONS OF 3 TO 5 INCHES ARE EXPECTED BY THIS AFTERNOON OVER LOST TRAIL PASS. IN ADDITION...GUSTY NORTHEAST WINDS OF 15 TO 20 MPH WITH GUSTS TO 30 MPH WILL BE DEVELOPING... WHICH WILL CAUSE BLOWING SNOW. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$
000 WWUS45 KMSO 101752 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 1152 AM MDT FRI OCT 10 2008 ...FIRST MAJOR WINTER STORM OF THE FALL SEASON TO AFFECT SOUTHWEST MONTANA AND LEMHI COUNTY IDAHO... .A COLD UPPER LOW PRESSURE SYSTEM HAS MOVED OVER SOUTHERN IDAHO TODAY. THIS SYSTEM WILL BE FOCUSING SNOW WITH DEVELOPING GUSTY NORTH WINDS OVER SOUTHWEST MONTANA AND LEMHI COUNTY OF NORTH CENTRAL IDAHO AS MOISTURE CIRCULATES AROUND THE LOW SYSTEM. A PROLONGED PERIOD OF SNOW LASTING THROUGH SATURDAY IS EXPECTED IN THESE AREAS WITH THE HEAVIEST PERIOD OF SNOW EXPECTED OVER THE HIGHER ELEVATIONS TODAY. GUSTY NORTH TO NORTHEAST WINDS WILL DEVELOP THIS MORNING AND LAST THROUGH SATURDAY CREATING AREAS OF BLOWING AND DRIFTING SNOW IN EXPOSED AREAS OF HIGHER TERRAIN. IDZ010-102100- /O.CON.KMSO.WS.W.0013.000000T0000Z-081012T0000Z/ EASTERN LEMHI COUNTY- 1152 AM MDT FRI OCT 10 2008 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT SATURDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT SATURDAY. TOTAL SNOW ACCUMULATIONS OF 6 TO 12 INCHES ARE EXPECTED IN THE MOUNTAINS SOUTH OF TENDOY INCLUDING LEMHI AND BANNOCK PASSES. THE LOWER ELEVATIONS IN THIS AREA ALONG ROUTE 28 WILL LIKELY SEE 2 TO 4 INCHES BY SATURDAY. IN ADDITION...GUSTY NORTH TO NORTHEAST WINDS OF 15 TO 30 MPH WILL BE DEVELOPING TODAY WHICH WILL CAUSE AREAS OF BLOWING AND DRIFTING SNOW PARTICULARLY OVER THE PASSES AND IN THE GILMORE SUMMIT AREA. THE SALMON AREA AND NORTHERN PORTIONS OF THE LEMHI COUNTY WILL SEE LIGHT SNOW ACCUMULATIONS THROUGH THIS EVENT. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND BLOWING SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS AND WIND CHILLS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS. $$ MTZ007-102100- /O.CON.KMSO.WS.W.0013.000000T0000Z-081012T0000Z/ BUTTE/BLACKFOOT REGION- 1152 AM MDT FRI OCT 10 2008 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT SATURDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT SATURDAY. ADDITIONAL SNOW ACCUMULATIONS OF 4 TO 10 INCHES ARE EXPECTED IN THE WARNED AREA BY SATURDAY AFTERNOON...WITH THE GREATEST AMOUNTS OCCURRING NEAR GEORGETOWN LAKE...HOMESTAKE PASS...AND THE FOOTHILLS AROUND BUTTE. THE AREAS AROUND ANACONDA AND BUTTE COULD SEE 2 TO 5 INCHES OF SNOW MAINLY LATE THIS AFTERNOON THROUGH SATURDAY. IN ADDITION...GUSTY NORTH TO NORTHEAST WINDS 15 TO 20 MPH WITH GUSTS TO 30 MPH WILL BE DEVELOPING TODAY...WHICH WILL CAUSE AREAS OF BLOWING SNOW. LESSER SNOW AMOUNTS OF 2 TO 5 INCHES ARE POSSIBLE NORTH OF GARRISON JUNCTION AND NEAR PHILIPSBURG. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND BLOWING SNOW ARE EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY HAZARDOUS AND ALSO COULD CAUSE DAMAGE TO DECIDUOUS VEGETATION THAT STILL HAVE LEAVES. $$ MTZ006-102100- /O.EXT.KMSO.WW.Y.0009.000000T0000Z-081010T2100Z/ BITTERROOT/SAPPHIRE MOUNTAINS- 1152 AM MDT FRI OCT 10 2008 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 3 PM MDT THIS AFTERNOON... THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL 3 PM MDT THIS AFTERNOON. TOTAL SNOW ACCUMULATIONS OF 3 TO 6 INCHES ARE EXPECTED BY THIS AFTERNOON OVER LOST TRAIL PASS. IN ADDITION...GUSTY NORTHEAST WINDS OF 15 TO 30 MPH WILL BE DEVELOPING... WHICH WILL CAUSE BLOWING SNOW. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$
000 WWUS45 KMSO 102100 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 300 PM MDT FRI OCT 10 2008 ...PERSISTENT LIGHT SNOW ACROSS SOUTHWEST MONTANA AND LEMHI COUNTY IDAHO THROUGH SATURDAY... .A CLOSED UPPER LOW PRESSURE SYSTEM CONTINUES TO AFFECT PARTS OF SOUTHWEST MONTANA AND CENTRAL IDAHO. SIGNIFICANT SYNOPTIC LIFT WITHIN THE SYSTEM WILL CAUSE PERSISTENT LIGHT SNOWFALL TO CONTINUE THROUGH SATURDAY. GUSTY NORTH TO NORTHEAST WINDS WILL ALSO CONTINUE THROUGH SATURDAY CREATING AREAS OF BLOWING SNOW AND REDUCED VISIBILITIES. IDZ010-110615- /O.CAN.KMSO.WS.W.0013.000000T0000Z-081012T0000Z/ /O.EXB.KMSO.WW.Y.0009.000000T0000Z-081012T0000Z/ EASTERN LEMHI COUNTY- 300 PM MDT FRI OCT 10 2008 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 PM MDT SATURDAY FOR SOUTHEAST LEMHI COUNTY... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT UNTIL 6 PM MDT SATURDAY. THE WINTER STORM WARNING HAS BEEN CANCELLED. LIGHT SNOW ACCUMULATIONS AND AREAS OF BLOWING SNOW WILL PERSIST TONIGHT AND SATURDAY. ADDITIONAL ACCUMULATIONS OF 3 TO 7 INCHES ARE POSSIBLE...ALONG WITH NORTH TO NORTHEAST WINDS OF 15 TO 30 MPH. THE GREATEST IMPACT WILL BE OVER LEMHI AND BANNOCK PASSES...AS WELL AS ALONG ROUTE 28 FROM NEAR TENDOY SOUTH TO GILMORE SUMMIT. THE SALMON AREA AND NORTHERN PORTIONS OF THE LEMHI COUNTY WILL SEE LIGHT SNOW ACCUMULATIONS THROUGH THIS EVENT. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MTZ007-110615- /O.CAN.KMSO.WS.W.0013.000000T0000Z-081012T0000Z/ /O.EXB.KMSO.WW.Y.0009.000000T0000Z-081012T0000Z/ BUTTE/BLACKFOOT REGION- 300 PM MDT FRI OCT 10 2008 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 PM MDT SATURDAY SOUTH OF GARRISON JUNCTION... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT UNTIL 6 PM MDT SATURDAY. THE WINTER STORM WARNING HAS BEEN CANCELLED. LIGHT SNOW ACCUMULATIONS AND AREAS OF BLOWING SNOW WILL PERSIST TONIGHT AND SATURDAY. ADDITIONAL ACCUMULATIONS OF 3 TO 7 INCHES ARE POSSIBLE...ALONG WITH NORTH TO NORTHEAST WINDS OF 15 TO 30 MPH. THIS WILL MAINLY IMPACT FROM PHILIPSBURG TO GEORGETOWN LAKE...AND FROM BUTTE TO HOMESTAKE AND PIPESTONE PASSES LIGHTER SNOW AMOUNTS ARE POSSIBLE NORTH OF GARRISON JUNCTION. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MTZ006-110600- /O.EXT.KMSO.WW.Y.0009.000000T0000Z-081011T0600Z/ BITTERROOT/SAPPHIRE MOUNTAINS- 300 PM MDT FRI OCT 10 2008 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL MIDNIGHT MDT TONIGHT FOR LOST TRAIL PASS AND SOUTHERN SAPPHIRE MOUNTAINS... THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL MIDNIGHT MDT TONIGHT. ADDITIONAL SNOW ACCUMULATIONS OF 2 TO 4 INCHES ARE POSSIBLE THIS EVENING OVER LOST TRAIL PASS. IN ADDITION...GUSTY NORTHEAST WINDS OF 15 TO 30 MPH COULD CAUSE BLOWING SNOW AND TRAVEL DIFFICULTIES. $$
The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 9, 3:45 AM MDT | Winter Weather Advisory | MSO | Lemhi | 10 hr |
| Oct 9, 2:12 PM MDT | Winter Weather Advisory | MSO | Lemhi | 38 hr |
Nearby
Winter Storm Warnings in Montana, 2008Winter Storm Warnings in Idaho, 2008Every winter storm warning in 2008
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.