Alert archive / Montana / Wind Advisories in 2017

Wind Advisory 2, NWS Missoula, MT

May 23, 201711 counties in Montana; Lemhi County, Idaho

NWS Missoula, MT issued this wind advisory at May 23, 2017, 9:54 AM MDT for 11 counties in Montana; Lemhi County, Idaho. It took effect at May 24, 2017, 9:00 AM MDT. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
May 23, 2017, 9:54 AM MDT (15:54 UTC)
In effect from
May 24, 2017, 9:00 AM MDT
Expired
May 24, 2017, 8:44 PM MDT
In force
12 hr
Issued by
NWS Missoula, MT

Counties Lemhi County, ID, Deer Lodge County, MT, Flathead County, MT, Granite County, MT, Lake County, MT, Lincoln County, MT, Mineral County, MT, Missoula County, MT, Powell County, MT, Ravalli County, MT, Sanders County, MT, Silver Bow County, MT

The radar

The Missoula radar (KMSX), 18 km from the middle of the area, began a volume at 15:54 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.

The nearest sounding before it

Spokane, WA (KOTX), launched 12:00Z, 3.9 hours before the alert went out and 204 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.

Skew-T log-pSkew-T log-p diagram, Spokane, WA at 12:00Z on 2017-05-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Spokane, WA at 12:00Z on 2017-05-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -3 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2373 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
-3 m²/s²
0-3 km storm-relative helicity
24 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

092 
WWUS75 KMSO 231554
NPWMSO

URGENT - WEATHER MESSAGE
National Weather Service Missoula MT
954 AM MDT Tue May 23 2017

MTZ002-003-241600-
/O.NEW.KMSO.WI.Y.0002.170524T1500Z-170525T0300Z/
West Glacier Region-Flathead/Mission Valleys-
954 AM MDT Tue May 23 2017

...WIND ADVISORY IN EFFECT FROM 9 AM TO 9 PM MDT WEDNESDAY...

The National Weather Service in Missoula has issued a Wind
Advisory...which is in effect from 9 AM to 9 PM MDT Wednesday. 

* Impacts/Timing: Strong winds will develop mid Wednesday morning
  and continue through the evening. Tree damage possible.
  Crosswinds will create hazardous driving conditions. Flathead
  Lake waves will become choppy and unrelenting over time.

* Flathead Lake Waves: maximum 3 to 5 feet.

* Winds: West 20 to 30 mph...gusting to 45 mph.

* Locations impacted include: Bad Rock Canyon, Essex, Highway 83 
  Bigfork to Swan Lake, Marias Pass, Polebridge, Flathead Lake, 
  Flathead Valley, Mission Valley, and Polson

$$

MTZ005-006-043-241600-
/O.NEW.KMSO.WI.Y.0002.170524T1500Z-170525T0300Z/
Missoula/Bitterroot Valleys-Bitterroot/Sapphire Mountains-
Potomac/Seeley Lake Region-
954 AM MDT Tue May 23 2017

...WIND ADVISORY IN EFFECT FROM 9 AM TO 9 PM MDT WEDNESDAY...

The National Weather Service in Missoula has issued a Wind
Advisory...which is in effect from 9 AM to 9 PM MDT Wednesday. 

* Impacts/Timing: Strong winds will develop mid Wednesday morning
  and continue through the evening. Tree damage possible. 
  Crosswinds will create hazardous driving conditions.

* Winds: West 20 to 30 mph...gusting to 45 mph.

* Locations impacted include: Bitterroot Valley, Missoula, 
  Highway 93 Sula to Lost Trail Pass, Lolo Pass, Highway 200 
  Bonner to Greenough, Highway 83 Seeley Lake to Condon, and I-
  90 East Missoula to Bearmouth

$$

MTZ001-004-241600-
/O.NEW.KMSO.WI.Y.0002.170524T1500Z-170525T0300Z/
Kootenai/Cabinet Region-Lower Clark Fork Region-
954 AM MDT Tue May 23 2017

...WIND ADVISORY IN EFFECT FROM 9 AM TO 9 PM MDT WEDNESDAY...

The National Weather Service in Missoula has issued a Wind
Advisory...which is in effect from 9 AM to 9 PM MDT Wednesday. 

* Impacts/Timing: Strong winds will develop mid Wednesday morning
  and continue through the evening. Tree damage possible. 
  Crosswinds will create hazardous driving conditions.

* Winds: West 20 to 30 mph...gusting to 45 mph.

* Locations impacted include: Highway 2 Kalispell to Libby, 
  Highway 37 Eureka to Libby, Highway 56 Bull Lake Road, Highway 
  93 Eureka to Whitefish, Evaro Hill, Highway 200 Thompson Falls 
  to Plains, Highway 200 Trout Creek to Heron, and I-90 Lookout 
  Pass to Haugan

$$

IDZ010-241600-
/O.NEW.KMSO.WI.Y.0002.170524T1500Z-170525T0300Z/
Eastern Lemhi County-
954 AM MDT Tue May 23 2017

...WIND ADVISORY IN EFFECT FROM 9 AM TO 9 PM MDT WEDNESDAY...

The National Weather Service in Missoula has issued a Wind
Advisory...which is in effect from 9 AM to 9 PM MDT Wednesday. 

* Impacts/Timing: Strong winds will develop mid Wednesday morning
  and continue through the evening. Tree damage possible. 
  Crosswinds will create hazardous driving conditions.

* Winds: Southwest 20 to 30 mph...gusting to 45 mph. 

* Locations impacted include: Bannock Pass, Highway 28 Tendoy to 
  Lone Pine, Highway 93 Lost Trail Pass to Gibbonsville, Lemhi 
  Pass, and Salmon

$$

MTZ007-241600-
/O.NEW.KMSO.HW.A.0001.170524T1500Z-170525T0300Z/
Butte/Blackfoot Region-
954 AM MDT Tue May 23 2017

...HIGH WIND WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY EVENING...

The National Weather Service in Missoula has issued a High Wind
Watch...which is in effect from Wednesday morning through
Wednesday evening. 

* Impacts/Timing: Strong winds will develop mid Wednesday morning
  and continue through the evening. Tree and infrastructure damage
  possible. Strong crosswinds will create difficult driving 
  conditions, particularly on Interstate 90.

* Winds: Southwest 25 to 40 mph...gusting to 60 mph.

* Locations impacted include: Butte, Georgetown Lake, Highway 12 
  Garrison to Elliston, Homestake Pass, and MacDonald Pass

$$
3 follow-up statements
172 
WWUS75 KMSO 240918
NPWMSO

URGENT - WEATHER MESSAGE
National Weather Service Missoula MT
318 AM MDT Wed May 24 2017

MTZ007-250300-
/O.UPG.KMSO.HW.A.0001.170524T1500Z-170525T0300Z/
/O.EXA.KMSO.WI.Y.0002.170524T1500Z-170525T0300Z/
Butte/Blackfoot Region-
318 AM MDT Wed May 24 2017

...WIND ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 9 PM MDT
THIS EVENING...

The National Weather Service in Missoula has issued a Wind
Advisory...which is in effect from 9 AM this morning to 9 PM MDT
this evening. The High Wind Watch is no longer in effect. 

* Impacts/Timing: Strong winds will develop by mid morning and 
  continue through the evening. Tree and infrastructure damage 
  is possible. Strong crosswinds will create difficult driving 
  conditions, particularly on Interstate 90. 

* Winds: Southwest 25 to 40 mph...gusting to 50 mph. Gusts to 55
  mph will be possible in the vicinity of Avon, Ovando and
  MacDonald Pass.

* Locations impacted include: Butte, Georgetown Lake, Highway 12 
  Garrison to Elliston, Homestake Pass, and MacDonald Pass

$$

MTZ002-003-250300-
/O.CON.KMSO.WI.Y.0002.170524T1500Z-170525T0300Z/
West Glacier Region-Flathead/Mission Valleys-
318 AM MDT Wed May 24 2017

...WIND ADVISORY REMAINS IN EFFECT FROM 9 AM THIS MORNING TO 9 PM
MDT THIS EVENING...

* Impacts/Timing: Strong winds will develop by mid morning and
  continue through the evening. Tree damage is possible. 
  Crosswinds will create hazardous driving conditions. Flathead 
  Lake waves will become choppy and unrelenting over time. 

* Flathead Lake Waves: maximum 3 to 5 feet.

* Winds: West 20 to 30 mph...gusting to 45 mph.

* Locations impacted include: Bad Rock Canyon, Essex, Highway 83 
  Bigfork to Swan Lake, Marias Pass, Polebridge, Flathead Lake, 
  Flathead Valley, Mission Valley, and Polson

$$

MTZ005-006-043-250300-
/O.CON.KMSO.WI.Y.0002.170524T1500Z-170525T0300Z/
Missoula/Bitterroot Valleys-Bitterroot/Sapphire Mountains-
Potomac/Seeley Lake Region-
318 AM MDT Wed May 24 2017

...WIND ADVISORY REMAINS IN EFFECT FROM 9 AM THIS MORNING TO 9 PM
MDT THIS EVENING...

* Impacts/Timing: Strong winds will develop by mid morning and
  continue through the evening. Tree damage is possible. 
  Crosswinds will create hazardous driving conditions. 

* Winds: West 20 to 30 mph...gusting to 45 mph.

* Locations impacted include: Bitterroot Valley, Missoula, 
  Highway 93 Sula to Lost Trail Pass, Lolo Pass, Highway 200 
  Bonner to Greenough, Highway 83 Seeley Lake to Condon, and I-
  90 East Missoula to Bearmouth

$$

MTZ001-004-250300-
/O.CON.KMSO.WI.Y.0002.170524T1500Z-170525T0300Z/
Kootenai/Cabinet Region-Lower Clark Fork Region-
318 AM MDT Wed May 24 2017

...WIND ADVISORY REMAINS IN EFFECT FROM 9 AM THIS MORNING TO 9 PM
MDT THIS EVENING...

* Impacts/Timing: Strong winds will develop by mid morning and
  continue through the evening. Tree damage is possible. 
  Crosswinds will create hazardous driving conditions. 

* Winds: West 20 to 30 mph...gusting to 45 mph.

* Locations impacted include: Highway 2 Kalispell to Libby, 
  Highway 37 Eureka to Libby, Highway 56 Bull Lake Road, Highway 
  93 Eureka to Whitefish, Evaro Hill, Highway 200 Thompson Falls 
  to Plains, Highway 200 Trout Creek to Heron, and I-90 Lookout 
  Pass to Haugan

$$

IDZ010-250300-
/O.CON.KMSO.WI.Y.0002.170524T1500Z-170525T0300Z/
Eastern Lemhi County-
318 AM MDT Wed May 24 2017

...WIND ADVISORY REMAINS IN EFFECT FROM 9 AM THIS MORNING TO 9 PM
MDT THIS EVENING...

* Impacts/Timing: Strong winds will develop by mid morning and
  continue through the evening. Tree damage is possible. 
  Crosswinds will create hazardous driving conditions. 

* Winds: Southwest 20 to 30 mph...gusting to 45 mph.

* Locations impacted include: Bannock Pass, Highway 28 Tendoy to 
  Lone Pine, Highway 93 Lost Trail Pass to Gibbonsville, Lemhi 
  Pass, and Salmon

$$
588 
WWUS75 KMSO 250152
NPWMSO

URGENT - WEATHER MESSAGE
National Weather Service Missoula MT
752 PM MDT Wed May 24 2017

MTZ001>004-250300-
/O.CAN.KMSO.WI.Y.0002.000000T0000Z-170525T0300Z/
Kootenai/Cabinet Region-West Glacier Region-
Flathead/Mission Valleys-Lower Clark Fork Region-
752 PM MDT Wed May 24 2017

...WIND ADVISORY IS CANCELLEDFOR ...

The National Weather Service in Missoula has cancelled the Wind
Advisory. 



$$

MTZ005-006-043-250300-
/O.CON.KMSO.WI.Y.0002.000000T0000Z-170525T0300Z/
Missoula/Bitterroot Valleys-Bitterroot/Sapphire Mountains-
Potomac/Seeley Lake Region-
752 PM MDT Wed May 24 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING...

* Impacts/Timing: Strong winds will develop by mid morning and 
  continue through the evening. Tree damage is possible. 
  Crosswinds will create hazardous driving conditions. 

* Winds: West 20 to 30 mph...gusting to 45 mph.

* Locations impacted include: Bitterroot Valley, Missoula, 
  Highway 93 Sula to Lost Trail Pass, Lolo Pass, Highway 200 
  Bonner to Greenough, Highway 83 Seeley Lake to Condon, and I-
  90 East Missoula to Bearmouth

$$

IDZ010-250300-
/O.CON.KMSO.WI.Y.0002.000000T0000Z-170525T0300Z/
Eastern Lemhi County-
752 PM MDT Wed May 24 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING...

* Impacts/Timing: Strong winds will develop by mid morning and 
  continue through the evening. Tree damage is possible. 
  Crosswinds will create hazardous driving conditions. 

* Winds: Southwest 20 to 30 mph...gusting to 45 mph.

* Locations impacted include: Bannock Pass, Highway 28 Tendoy to 
  Lone Pine, Highway 93 Lost Trail Pass to Gibbonsville, Lemhi 
  Pass, and Salmon

$$

MTZ007-250300-
/O.CON.KMSO.WI.Y.0002.000000T0000Z-170525T0300Z/
Butte/Blackfoot Region-
752 PM MDT Wed May 24 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING...

* Impacts/Timing: Strong winds will develop by mid morning and 
  continue through the evening. Tree and infrastructure damage 
  is possible. Strong crosswinds will create difficult driving 
  conditions, particularly on Interstate 90. 

* Winds: Southwest 25 to 40 mph...gusting to 50 mph. Gusts to 55 
  mph will be possible in the vicinity of Avon, Ovando and 
  MacDonald Pass. 

* Locations impacted include: Butte, Georgetown Lake, Highway 12 
  Garrison to Elliston, Homestake Pass, and MacDonald Pass

$$
543 
WWUS75 KMSO 250244
NPWMSO

URGENT - WEATHER MESSAGE
National Weather Service Missoula MT
844 PM MDT Wed May 24 2017

IDZ010-MTZ005>007-043-250345-
/O.CAN.KMSO.WI.Y.0002.000000T0000Z-170525T0300Z/
Eastern Lemhi County-Missoula/Bitterroot Valleys-
Bitterroot/Sapphire Mountains-Butte/Blackfoot Region-
Potomac/Seeley Lake Region-
844 PM MDT Wed May 24 2017

...WIND ADVISORY IS CANCELLED...

The National Weather Service in Missoula has cancelled the Wind
Advisory. 



$$

The office that day

Everything else NWS Missoula, MT issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 23, 9:54 AM MDTHigh Wind WatchMSODeer Lodge, Granite, Powell, Silver Bow17 hr

Nearby

Wind Advisories in Montana, 2017Wind Advisories in Idaho, 2017Every wind advisory 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.