Alert archive / Montana / High Wind Warnings in 2016
High Wind Warning 2, NWS Missoula, MT
NWS Missoula, MT issued this high wind warning at Aug 18, 2016, 10:36 AM MDT for Flathead County, Lake County, Sanders County, Montana. It took effect at Aug 18, 2016, 4:00 PM MDT. It was in force for 14 hr. 6 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
- Aug 18, 2016, 10:36 AM MDT (16:36 UTC)
- In effect from
- Aug 18, 2016, 4:00 PM MDT
- Expired
- Aug 19, 2016, 6:00 AM MDT
- In force
- 14 hr
- Issued by
- NWS Missoula, MT
Counties Flathead County, MT, Lake County, MT, Sanders County, MT
The radar
The Missoula radar (KMSX), 98 km from the middle of the area, began a volume at 16:37 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 |
|---|---|---|---|
| Aug 18, 6:45 PM MDT | NON-TSTM WND GST 54 | 1 Wsw La Salle, MT | ASOS STATION KALISPELL GLACIER AP /GPI/. |
| Aug 18, 7:09 PM MDT | TSTM WND GST 49 | 1 Ssw Columbia Falls, MT | . |
| Aug 18, 7:10 PM MDT | NON-TSTM WND GST 40 | Lakeside, MT | LOCAL CHARTER BOAT OWNER REPORTED 4 FOOT WAVES ALONG SHORELINE AT LAKESIDE, MT. WIND GUSTS OF 40 MPH. |
| Aug 18, 7:27 PM MDT | NON-TSTM WND GST 58 | 1 Wsw La Salle, MT | ASOS STATION KALISPELL GLACIER AP /GPI/. |
| Aug 18, 7:30 PM MDT | NON-TSTM WND GST 46 | 7 Ese Rollins, MT | MESONET STATION 6 ESE ROLLINS /FLB03/. |
| Aug 18, 8:30 PM MDT | NON-TSTM WND GST 39 | 3 Nw Finley Point, MT | . |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Spokane, WA (KOTX), launched 12:00Z, 4.6 hours before the alert went out and 149 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
- 3123 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 17 m²/s²
- 0-3 km storm-relative helicity
- 6 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
679 WWUS75 KMSO 181636 NPWMSO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 1036 AM MDT THU AUG 18 2016 MTZ003-191200- /O.UPG.KMSO.WI.Y.0008.160818T2200Z-160819T1200Z/ /O.NEW.KMSO.HW.W.0002.160818T2200Z-160819T1200Z/ FLATHEAD/MISSION VALLEYS- 1036 AM MDT THU AUG 18 2016 ...HIGH WIND WARNING IN EFFECT FROM 4 PM THIS AFTERNOON TO 6 AM MDT FRIDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT FROM 4 PM THIS AFTERNOON TO 6 AM MDT FRIDAY. * THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT FROM 4 PM TODAY TO 6 AM MDT FRIDAY. * IMPACTS/TIMING: STRONG NORTH TO NORTHEASTERLY WINDS WILL INCREASE THROUGH THE DAY AND PEAK THIS EVENING 7-10 PM MDT. MAIN CONCERN IS FOR FLATHEAD LAKE... WHICH IS CURRENTLY AT FULL POOL AND WILL SEE WAVES IN EXCESS OF 5 FEET ON THE WESTERN SHORES. ALSO EXPECT UNUSUALLY LARGE WAVES IN POLSON BAY. SIGNIFICANT POTENTIAL FOR BOAT AND DOCK DAMAGE ON THE LAKE. ANOTHER AREA OF CONCERN IS FOR DOWNED TREES ALONG HWY 35 ON THE EAST SIDE OF THE LAKE. * WINDS: EAST TO NORTHEAST WINDS 30 MPH WITH GUSTS 40-45 MPH IN MOST AREAS, BUT WINDS 40-45 MPH ON THE LAKE WITH GUSTS OVER 50 MPH. * LOCATIONS IMPACTED INCLUDE...FLATHEAD LAKE...FLATHEAD VALLEY... MISSION VALLEY...POLSON $$ MTZ001-191200- /O.CON.KMSO.WI.Y.0008.160818T2200Z-160819T1200Z/ KOOTENAI/CABINET REGION- 1036 AM MDT THU AUG 18 2016 ...WIND ADVISORY REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 6 AM MDT FRIDAY... * IMPACTS/TIMING: NORTHEAST WINDS WILL INCREASE THROUGHOUT THE DAY AND REACH THEIR PEAK THIS EVENING. THE STRONG WINDS WILL LAST FOR SEVERAL HOURS FROM AN UNUSUAL DIRECTION... AND IT HAS BEEN A LONG TIME SINCE THE AREA HAS SEEN A WIND EVENT LIKE THIS... WHICH WILL INCREASE VULNERABILITY. * WINDS: MOST AREAS WILL SEE WINDS 15-20 MPH... BUT EAST-WEST DRAINAGES... LIKE ALONG HWY 2 AND ALSO HWY 93 NEAR EUREKA... MAY SEE WINDS OF 30 MPH WITH GUSTS 40 MPH AT TIMES. * LOCATIONS IMPACTED INCLUDE...HIGHWAY 2 KALISPELL TO LIBBY... HIGHWAY 37 EUREKA TO LIBBY...HIGHWAY 56 BULL LAKE ROAD... HIGHWAY 93 EUREKA TO WHITEFISH $$ MTZ002-191200- /O.CON.KMSO.WI.Y.0008.160818T2200Z-160819T1200Z/ WEST GLACIER REGION- 1036 AM MDT THU AUG 18 2016 ...WIND ADVISORY REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 6 AM MDT FRIDAY... * IMPACTS/TIMING: WIND SPEEDS WILL PEAK THIS EVENING... WITH STRONG WINDS LASTING OVERNIGHT ON RIDGE TOPS. * WINDS: 30 MPH WITH GUSTS NEAR 50 MPH AT MARIAS AND LOGAN PASSES AT TIMES. WINDS OF 30 MPH IN EAST-WEST ALIGNED DRAINAGES AND IN BADROCK CANYON WITH GUSTS 40 MPH. * LOCATIONS IMPACTED INCLUDE...BAD ROCK CANYON...ESSEX...HIGHWAY 83 BIGFORK TO SWAN LAKE...MARIAS PASS...POLEBRIDGE $$ MTZ005-191200- /O.CON.KMSO.WI.Y.0008.160818T2200Z-160819T1200Z/ MISSOULA/BITTERROOT VALLEYS- 1036 AM MDT THU AUG 18 2016 ...WIND ADVISORY REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 6 AM MDT FRIDAY... * IMPACTS/TIMING: WINDS WILL INCREASE TODAY... REACHING PEAK SPEEDS THIS EVENING. THE STRONGEST NORTHEAST WINDS ARE EXPECTED IN THE MISSOULA VALLEY ON THIS EVENING. * WINDS: NORTHEAST WINDS 25-30 MPH WITH GUSTS OVER 40 MPH IN MISSOULA. WINDS AROUND 25 MPH WITH GUSTS 35 MPH EXPECTED THURSDAY EVENING IN HAMILTON. * LOCATIONS IMPACTED INCLUDE...BITTERROOT VALLEY...MISSOULA $$
1 follow-up statement
625 WWUS75 KMSO 191155 NPWMSO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 555 AM MDT FRI AUG 19 2016 MTZ003-191300- /O.EXP.KMSO.HW.W.0002.000000T0000Z-160819T1200Z/ FLATHEAD/MISSION VALLEYS- 555 AM MDT FRI AUG 19 2016 ...HIGH WIND WARNING WILL EXPIRE AT 6 AM MDT EARLY THIS MORNING... * LOCATIONS IMPACTED INCLUDE...FLATHEAD LAKE...FLATHEAD VALLEY... MISSION VALLEY...POLSON $$ MTZ001-191300- /O.EXP.KMSO.WI.Y.0008.000000T0000Z-160819T1200Z/ KOOTENAI/CABINET REGION- 555 AM MDT FRI AUG 19 2016 ...WIND ADVISORY WILL EXPIRE AT 6 AM MDT EARLY THIS MORNING... * LOCATIONS IMPACTED INCLUDE...HIGHWAY 2 KALISPELL TO LIBBY... HIGHWAY 37 EUREKA TO LIBBY...HIGHWAY 56 BULL LAKE ROAD... HIGHWAY 93 EUREKA TO WHITEFISH $$ MTZ002-191300- /O.EXP.KMSO.WI.Y.0008.000000T0000Z-160819T1200Z/ WEST GLACIER REGION- 555 AM MDT FRI AUG 19 2016 ...WIND ADVISORY WILL EXPIRE AT 6 AM MDT EARLY THIS MORNING... * LOCATIONS IMPACTED INCLUDE...BAD ROCK CANYON...ESSEX...HIGHWAY 83 BIGFORK TO SWAN LAKE...MARIAS PASS...POLEBRIDGE $$ MTZ005-191300- /O.EXP.KMSO.WI.Y.0008.000000T0000Z-160819T1200Z/ MISSOULA/BITTERROOT VALLEYS- 555 AM MDT FRI AUG 19 2016 ...WIND ADVISORY WILL EXPIRE AT 6 AM MDT EARLY THIS MORNING... * LOCATIONS IMPACTED INCLUDE...BITTERROOT VALLEY...MISSOULA $$
The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 18, 5:23 PM MDT | Special Weather Statement | MSO | Missoula | 67 min |
Nearby
High Wind Warnings in Montana, 2016Every high wind warning in 2016
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.