Alert archive / Montana / Wind Advisories in 2016

Wind Advisory 7, NWS Missoula, MT

June 17, 20166 counties in Montana; Lemhi County, Idaho

NWS Missoula, MT issued this wind advisory at Jun 17, 2016, 2:16 PM MDT for 6 counties in Montana; Lemhi County, Idaho. It took effect at Jun 18, 2016, 3:00 PM MDT. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Jun 17, 2016, 2:16 PM MDT (20:16 UTC)
In effect from
Jun 18, 2016, 3:00 PM MDT
Expired
Jun 18, 2016, 9:00 PM MDT
In force
6 hr
Issued by
NWS Missoula, MT

Counties Lemhi County, ID, Deer Lodge County, MT, Granite County, MT, Missoula County, MT, Powell County, MT, Ravalli County, MT, Silver Bow County, MT

The radar

The Missoula radar (KMSX), 104 km from the middle of the area, began a volume at 20:15 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

Great_falls, MT (KTFX), launched 12:00Z, 8.3 hours before the alert went out and 258 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, Great_falls, MT at 12:00Z on 2016-06-17Temperature 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, Great_falls, MT at 12:00Z on 2016-06-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 10 square meters per square second.1939587897117136Sfc1 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
1951 m above ground
0-6 km bulk shear
79 kt
0-1 km storm-relative helicity
10 m²/s²
0-3 km storm-relative helicity
93 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

419 
WWUS75 KMSO 172016
NPWMSO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
216 PM MDT FRI JUN 17 2016

IDZ010-MTZ006-007-182030-
/O.NEW.KMSO.WI.Y.0007.160618T2100Z-160619T0300Z/
EASTERN LEMHI COUNTY-BITTERROOT/SAPPHIRE MOUNTAINS-
BUTTE/BLACKFOOT REGION-
216 PM MDT FRI JUN 17 2016

...WIND ADVISORY IN EFFECT FROM 3 PM TO 9 PM MDT SATURDAY...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 3 PM TO 9 PM MDT SATURDAY. 

* TIMING: THE PASSAGE OF A STRONG COLD FRONT WILL BRING
  SIGNIFICANT WIND GUSTS TO PARTS OF EAST CENTRAL IDAHO AS WELL AS
  WEST CENTRAL AND SOUTHWEST MONTANA BEGINNING SATURDAY AFTERNOON.
  THE WINDS SHOULD SUBSIDE DURING THE EVENING HOURS, SHORTLY AFTER
  THE COLD FRONT PASSES THROUGH THE AREA.

* IMPACTS: THOSE WITH OUTDOOR PLANS THIS WEEKEND MAY WISH TO TAKE
  EXTRA PRECAUTIONS IF THEIR ACTIVITIES ARE SUSCEPTIBLE TO WIND.
  TRAVEL IN HIGH PROFILE VEHICLES COULD BE IMPACTED BY GUSTY CROSS
  WINDS, ESPECIALLY ON I-90 FROM GARRISON JCT. TO BUTTE AND MT-1
  FROM DRUMMOND TO GEORGETOWN LAKE.

* WINDS: SUSTAINED SPEEDS OF 15 TO 30 MPH WITH FREQUENT GUSTS IN
  EXCESS OF 40 MPH. GUSTS IN THE HIGHER TERRAIN AND THROUGH
  FAVORED/VALLEYS OR COMING THROUGH MOUNTAIN GAPS COULD REACH 50
  MPH AT TIMES.

* LOCATIONS IMPACTED INCLUDE...BANNOCK PASS...HIGHWAY 28 TENDOY 
  TO LONE PINE...HIGHWAY 93 LOST TRAIL PASS TO GIBBONSVILLE...
  LEMHI PASS...SALMON...HIGHWAY 93 SULA TO LOST TRAIL PASS...
  LOLO PASS... BUTTE...GEORGETOWN LAKE...HIGHWAY 12 GARRISON TO 
  ELLISTON... HOMESTAKE PASS...MACDONALD PASS

$$

MTZ005-182030-
/O.NEW.KMSO.WI.Y.0007.160618T2100Z-160619T0300Z/
MISSOULA/BITTERROOT VALLEYS-
216 PM MDT FRI JUN 17 2016

...WIND ADVISORY IN EFFECT FROM 3 PM TO 9 PM MDT SATURDAY...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 3 PM TO 9 PM MDT SATURDAY. 

* TIMING: THE PASSAGE OF A STRONG COLD FRONT WILL BRING
  SIGNIFICANT WIND GUSTS TO THE MISSOULA AND BITTERROOT VALLEY
  BEGINNING SATURDAY AFTERNOON. THE WINDS SHOULD SUBSIDE DURING
  THE EVENING HOURS, SHORTLY AFTER THE COLD FRONT PASSES THROUGH
  THE AREA.

* IMPACTS: THOSE WITH OUTDOOR PLANS THIS WEEKEND MAY WISH TO TAKE
  EXTRA PRECAUTIONS IF THEIR ACTIVITIES ARE SUSCEPTIBLE TO WIND.
  TRAVEL IN HIGH PROFILE VEHICLES COULD BE IMPACTED BY GUSTY CROSS
  WINDS, ESPECIALLY ALONG US-93 IN THE BITTERROOT VALLEY.

* WINDS: SUSTAINED SPEEDS OF 15 TO 30 MPH WITH FREQUENT GUSTS IN
  EXCESS OF 40 MPH ARE EXPECTED. GUSTS IN THE HIGHER TERRAIN AND
  THROUGH FAVORED VALLEYS OR CHANNELED MOUNTAIN GAPS COULD REACH
  50 MPH AT TIMES.

* LOCATIONS IMPACTED INCLUDE...BITTERROOT VALLEY...MISSOULA

$$

MTZ003-182030-
/O.NEW.KMSO.LW.Y.0005.160618T2100Z-160619T0300Z/
FLATHEAD/MISSION VALLEYS-
216 PM MDT FRI JUN 17 2016

...LAKE WIND ADVISORY IN EFFECT FROM 3 PM TO 9 PM MDT SATURDAY
FOR FLATHEAD LAKE...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A LAKE WIND
ADVISORY FOR FLATHEAD LAKE...WHICH IS IN EFFECT FROM 3 PM TO 9 PM
MDT SATURDAY. 

* IMPACTS/TIMING: THE PASSAGE OF A STRONG COLD FRONT WILL INCREASE
  WINDS ACROSS FLATHEAD LAKE DURING THE AFTERNOON WITH GUSTS
  BECOMING MORE FREQUENT AFTER 3PM. THE STRONGEST SPEEDS ARE
  EXPECTED TO OCCUR UNTIL AROUND 9PM AND GRADUALLY SUBSIDE
  OVERNIGHT. BUT TURBULENT WAVE CONDITIONS ARE LIKELY TO PERSIST
  UNTIL SUNRISE SUNDAY MORNING.

* WINDS: SOUTH TO SOUTHWEST AT 10 TO 20 MPH WITH FREQUENT GUSTS IN
  EXCESS OF 30 MPH AFTER 3PM.

* WAVE HEIGHTS: 1 TO 2 FOOTERS WITH 3 FOOT WAVES FORMING OVER
  CENTRAL, OPEN WATER AND THE EASTERN SHORE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A LAKE WIND ADVISORY INDICATES THAT WINDS WILL CAUSE ROUGH CHOP
ON AREA LAKES. SMALL BOATS WILL BE ESPECIALLY PRONE TO CAPSIZING.

NOTE...THE EXPERIMENTAL WAVE HEIGHT FORECASTS ARE REPRESENTATIVE
OF THE MID LAKE WATERS AND DOWNWIND SHORES. WAVE HEIGHTS MAY BE
SIGNIFICANTLY LESS ON UPWIND SHORES.

&&

$$
3 follow-up statements
030 
WWUS75 KMSO 180920
NPWMSO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
320 AM MDT SAT JUN 18 2016

IDZ010-MTZ006-007-190300-
/O.CON.KMSO.WI.Y.0007.160618T2100Z-160619T0300Z/
EASTERN LEMHI COUNTY-BITTERROOT/SAPPHIRE MOUNTAINS-
BUTTE/BLACKFOOT REGION-
320 AM MDT SAT JUN 18 2016

...WIND ADVISORY REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO
9 PM MDT THIS EVENING...

* TIMING: THE PASSAGE OF A STRONG COLD FRONT WILL BRING
  SIGNIFICANT WIND GUSTS TO PARTS OF EAST CENTRAL IDAHO AS WELL AS
  WEST CENTRAL AND SOUTHWEST MONTANA BEGINNING THIS AFTERNOON.
  THE WINDS SHOULD SUBSIDE DURING THE EVENING HOURS... SHORTLY
  AFTER THE COLD FRONT PASSES THROUGH THE AREA.

* IMPACTS: THOSE WITH OUTDOOR PLANS THIS WEEKEND MAY WISH TO TAKE
  EXTRA PRECAUTIONS IF THEIR ACTIVITIES ARE SUSCEPTIBLE TO WIND.
  TRAVEL IN HIGH PROFILE VEHICLES COULD BE IMPACTED BY GUSTY CROSS
  WINDS... ESPECIALLY ON I-90 FROM GARRISON JCT. TO BUTTE AND MT-1
  FROM DRUMMOND TO GEORGETOWN LAKE.

* WINDS: SUSTAINED SPEEDS OF 15 TO 30 MPH WITH FREQUENT GUSTS IN 
  EXCESS OF 40 MPH. GUSTS IN THE HIGHER TERRAIN AND THROUGH 
  FAVORED/VALLEYS OR COMING THROUGH MOUNTAIN GAPS COULD REACH 50 
  MPH AT TIMES. 

* LOCATIONS IMPACTED INCLUDE...BANNOCK PASS...HIGHWAY 28 TENDOY 
  TO LONE PINE...HIGHWAY 93 LOST TRAIL PASS TO GIBBONSVILLE...
  LEMHI PASS...SALMON...HIGHWAY 93 SULA TO LOST TRAIL PASS...
  LOLO PASS... BUTTE...GEORGETOWN LAKE...HIGHWAY 12 GARRISON TO 
  ELLISTON... HOMESTAKE PASS...MACDONALD PASS

$$

MTZ005-190300-
/O.CON.KMSO.WI.Y.0007.160618T2100Z-160619T0300Z/
MISSOULA/BITTERROOT VALLEYS-
320 AM MDT SAT JUN 18 2016

...WIND ADVISORY REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO
9 PM MDT THIS EVENING...

* TIMING: THE PASSAGE OF A STRONG COLD FRONT WILL BRING
  SIGNIFICANT WIND GUSTS TO THE MISSOULA AND BITTERROOT VALLEY
  BEGINNING THIS AFTERNOON. THE WINDS SHOULD SUBSIDE DURING THE
  EVENING HOURS... SHORTLY AFTER THE COLD FRONT PASSES THROUGH THE
  AREA.

* IMPACTS: THOSE WITH OUTDOOR PLANS THIS WEEKEND MAY WISH TO 
  TAKE EXTRA PRECAUTIONS IF THEIR ACTIVITIES ARE SUSCEPTIBLE TO 
  WIND. TRAVEL IN HIGH PROFILE VEHICLES COULD BE IMPACTED BY 
  GUSTY CROSS WINDS... ESPECIALLY ALONG US-93 IN THE BITTERROOT 
  VALLEY. 

* WINDS: SUSTAINED SPEEDS OF 15 TO 30 MPH WITH FREQUENT GUSTS IN 
  EXCESS OF 40 MPH ARE EXPECTED. GUSTS IN THE HIGHER TERRAIN AND 
  THROUGH FAVORED VALLEYS OR CHANNELED MOUNTAIN GAPS COULD REACH 
  50 MPH AT TIMES. 

* LOCATIONS IMPACTED INCLUDE...BITTERROOT VALLEY...MISSOULA

$$

MTZ003-190300-
/O.CON.KMSO.LW.Y.0005.160618T2100Z-160619T0300Z/
FLATHEAD/MISSION VALLEYS-
320 AM MDT SAT JUN 18 2016

...LAKE WIND ADVISORY REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON
TO 9 PM MDT THIS EVENING FOR FLATHEAD LAKE...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A LAKE WIND
ADVISORY FOR FLATHEAD LAKE...WHICH IS IN EFFECT FROM 3 PM TO 9 PM
MDT TODAY.

* IMPACTS/TIMING: THE PASSAGE OF A STRONG COLD FRONT WILL INCREASE
  WINDS ACROSS FLATHEAD LAKE DURING THE AFTERNOON WITH GUSTS
  BECOMING MORE FREQUENT AFTER 3PM. THE STRONGEST SPEEDS ARE
  EXPECTED TO OCCUR UNTIL AROUND 9PM AND GRADUALLY SUBSIDE
  OVERNIGHT. HOWEVER, TURBULENT WAVE CONDITIONS ARE LIKELY TO
  PERSIST UNTIL SUNRISE SUNDAY MORNING.

* WINDS: SOUTH TO SOUTHWEST AT 10 TO 20 MPH WITH FREQUENT GUSTS 
  IN EXCESS OF 30 MPH AFTER 3PM. 

* WAVE HEIGHTS: 1 TO 2 FOOTERS WITH 3 FOOT WAVES FORMING OVER 
  CENTRAL... OPEN WATER AND THE EASTERN SHORE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A LAKE WIND ADVISORY INDICATES THAT WINDS WILL CAUSE ROUGH CHOP
ON AREA LAKES. SMALL BOATS WILL BE ESPECIALLY PRONE TO CAPSIZING.

NOTE...THE EXPERIMENTAL WAVE HEIGHT FORECASTS ARE REPRESENTATIVE
OF THE MID LAKE WATERS AND DOWNWIND SHORES. WAVE HEIGHTS MAY BE
SIGNIFICANTLY LESS ON UPWIND SHORES.

&&

$$
743 
WWUS75 KMSO 190101
NPWMSO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
701 PM MDT SAT JUN 18 2016

MTZ005-190215-
/O.CAN.KMSO.WI.Y.0007.000000T0000Z-160619T0300Z/
MISSOULA/BITTERROOT VALLEYS-
701 PM MDT SAT JUN 18 2016

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WIND
ADVISORY. 

$$

MTZ003-190215-
/O.CAN.KMSO.LW.Y.0005.000000T0000Z-160619T0300Z/
FLATHEAD/MISSION VALLEYS-
701 PM MDT SAT JUN 18 2016

...LAKE WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE LAKE
WIND ADVISORY. 

$$

IDZ010-MTZ006-007-190300-
/O.CON.KMSO.WI.Y.0007.000000T0000Z-160619T0300Z/
EASTERN LEMHI COUNTY-BITTERROOT/SAPPHIRE MOUNTAINS-
BUTTE/BLACKFOOT REGION-
701 PM MDT SAT JUN 18 2016

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

* TIMING: WINDS WILL GUST THROUGH THIS EVENING.

* IMPACTS: THOSE WITH OUTDOOR PLANS THIS WEEKEND MAY WISH TO 
  TAKE EXTRA PRECAUTIONS IF THEIR ACTIVITIES ARE SUSCEPTIBLE TO 
  WIND. TRAVEL IN HIGH PROFILE VEHICLES COULD BE IMPACTED BY 
  GUSTY CROSS WINDS... ESPECIALLY ON I-90 FROM GARRISON JCT. TO 
  BUTTE AND MT- 1 FROM DRUMMOND TO GEORGETOWN LAKE. 

* WINDS: 15 TO 30 MPH GUSTING TO 40 MPH AT TIMES.

* LOCATIONS IMPACTED INCLUDE...BANNOCK PASS...HIGHWAY 28 TENDOY 
  TO LONE PINE...HIGHWAY 93 LOST TRAIL PASS TO GIBBONSVILLE...
  LEMHI PASS...SALMON...HIGHWAY 93 SULA TO LOST TRAIL PASS...
  LOLO PASS... BUTTE...GEORGETOWN LAKE...HIGHWAY 12 GARRISON TO 
  ELLISTON... HOMESTAKE PASS...MACDONALD PASS

$$
168 
WWUS75 KMSO 190240
NPWMSO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
840 PM MDT SAT JUN 18 2016


IDZ010-MTZ006-007-190345-
/O.EXP.KMSO.WI.Y.0007.000000T0000Z-160619T0300Z/
EASTERN LEMHI COUNTY-BITTERROOT/SAPPHIRE MOUNTAINS-
BUTTE/BLACKFOOT REGION-
840 PM MDT SAT JUN 18 2016

...WIND ADVISORY WILL EXPIRE AT 9 PM MDT THIS EVENING...

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 17, 2:16 PM MDTLake Wind AdvisoryMSOFlathead, Lake, Sanders29 hr

Nearby

Wind Advisories in Montana, 2016Wind Advisories in Idaho, 2016Every wind advisory 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.