Alert archive / Montana / High Wind Warnings in 2007

High Wind Warning 1, NWS Billings, MT

January 1, 20075 counties in Montana

NWS Billings, MT issued this high wind warning at Jan 1, 2007, 3:44 AM MST for 5 counties in Montana. It took effect at Jan 2, 2007, 2:00 AM MST. It was in force for 33 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
Jan 1, 2007, 3:44 AM MST (10:44 UTC)
In effect from
Jan 2, 2007, 2:00 AM MST
Expired
Jan 3, 2007, 10:55 AM MST
In force
33 hr
Issued by
NWS Billings, MT

Counties Golden Valley County, MT, Park County, MT, Stillwater County, MT, Sweet Grass County, MT, Wheatland County, MT

The radar

The Billings radar (KBLX), 91 km from the middle of the area, began a volume at 10:42 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

TimeReportWhereRemark
Jan 2, 12:00 PM MSTNON-TSTM WND GST 60Rapelje, MT
Jan 2, 1:26 PM MSTHIGH SUST WINDS 45Harlowton, MTHIGHEST OF MULTIPLE REPORTS.
Jan 2, 7:00 PM MSTHIGH SUST WINDS 636 Ne Livingston, MTHIGHEST OF MULTIPLE REPORTS.
Jan 2, 7:35 PM MSTHIGH SUST WINDS 637 Ne Livingston, MTHIGHEST OF MULTIPLE REPORTS.
Jan 2, 7:47 PM MSTNON-TSTM WND GST 797 Ne Livingston, MTHIGHEST OF MULTIPLE REPORTS.
Jan 2, 8:30 PM MSTNON-TSTM WND GST 76Nye, MTHIGHEST OF MULTIPLE REPORTS.
Jan 3, 2:10 AM MSTHIGH SUST WINDS 527 Ne Livingston, MTHIGHEST OF MULTIPLE REPORTS.
Jan 3, 5:20 AM MSTHIGH SUST WINDS 526 Ne Livingston, MTHIGHEST OF MULTIPLE REPORTS.

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 00:00Z, 10.7 hours before the alert went out and 178 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 00:00Z on 2007-01-01Temperature 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 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Great_falls, MT at 00:00Z on 2007-01-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 134 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
2046 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
134 m²/s²
0-3 km storm-relative helicity
156 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WWUS75 KBYZ 011044
NPWBYZ

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
344 AM MST MON JAN 1 2007

.SURFACE PRESSURE DIFFERENCES WILL INCREASE ACROSS THE AREA MONDAY
NIGHT AND REMAIN TIGHT THROUGH WEDNESDAY MORNING. THIS WILL RESULT
IN VERY STRONG WINDS IN LIVINGSTON AND ALSO ALONG THE STILLWATER
RIVER AROUND NYE. THE WINDS WILL INCREASE IN STRENGTH MONDAY
NIGHT...PEAK TUESDAY AND TUESDAY NIGHT AND START TO SUBSIDE
WEDNESDAY MORNING.

MTZ065-011845-
/O.NEW.KBYZ.HW.W.0001.070102T0900Z-070103T1800Z/
LIVINGSTON AREA-
INCLUDING THE CITY OF...LIVINGSTON
344 AM MST MON JAN 1 2007

...HIGH WIND WARNING IN EFFECT FROM 2 AM TUESDAY TO 11 AM MST
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN BILLINGS HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 2 AM TUESDAY TO 11 AM MST
WEDNESDAY. 

SOUTHWEST WINDS WILL BEGIN TO INCREASE MONDAY NIGHT AND BY
SUNRISE TUESDAY WILL RANGE FROM 35 TO 45 MPH WITH GUSTS TO 55 MPH
IN AND AROUND LIVINGSTON. WINDS WILL CONTINUE TO INCREASE THROUGH
TUESDAY MORNING AND PERSIST THROUGH EARLY WEDNESDAY MORNING. WINDS
DURING THIS TIME WILL RANGE FROM 40 TO 55 MPH WITH GUSTS TO 70 MPH
POSSIBLE. WINDS WILL DIMINISH TO 20 TO 30 MPH WEDNESDAY AFTERNOON.

MOTORISTS IN TRAVELING ALONG INTERSTATE 90 IN HIGH PROFILE
VEHICLES SHOULD USE CAUTION OR FIND ALTERNATE ROUTES FROM LATE
MONDAY NIGHT THROUGH WEDNESDAY MORNING DUE TO THE STRONG CROSS
WINDS.

$$

MTZ066-011845-
/O.NEW.KBYZ.HW.W.0001.070102T0900Z-070103T1800Z/
BEARTOOTH FOOTHILLS-
INCLUDING THE CITIES OF...FISHTAIL...MCLEOD
344 AM MST MON JAN 1 2007

...HIGH WIND WARNING IN EFFECT FROM 2 AM TUESDAY TO 11 AM MST
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN BILLINGS HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 2 AM TUESDAY TO 11 AM MST
WEDNESDAY. 

SOUTHWEST WINDS WILL INCREASE IN STRENGTH AND RANGE FROM 35 TO 45 MPH
WITH GUSTS TO 55 MPH LATE MONDAY NIGHT INTO EARLY TUESDAY
MORNING. WINDS WILL CONTINUE TO INCREASE THROUGH TUESDAY MORNING
AND PERSIST IN STRENGTH THROUGH EARLY WEDNESDAY MORNING. WINDS
DURING THIS TIME WILL RANGE FROM 40 TO 55 MPH WITH GUSTS TO 65 MPH
POSSIBLE. WINDS WILL DIMINISH TO 20 TO 30 MPH WEDNESDAY AFTERNOON.

THE STRONGEST WINDS ARE EXPECTED FROM NYE TO THE STILLWATER MINE
SOUTH OF NYE...WITH SLIGHTLY LIGHTER WINDS EXPECTED ALONG WEST
ROSEBUD CREEK SOUTH OF FIDDLER CREEK ROAD. 

WINDS OF THESE MAGNITUDES CAN CAUSE PROPERTY DAMAGE WITHOUT EXTRA
PRECAUTIONS. MOTORISTS IN HIGH PROFILE VEHICLES SHOULD USE
CAUTION UNTIL THE WINDS SUBSIDE.

$$
9 follow-up statements
000 
WWUS75 KBYZ 011906
NPWBYZ

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
1206 PM MST MON JAN 1 2007

.SURFACE PRESSURE DIFFERENCES WILL INCREASE ACROSS THE AREA
TONIGHT AND REMAIN TIGHT THROUGH WEDNESDAY MORNING. THIS WILL
RESULT IN VERY STRONG WINDS IN LIVINGSTON AND ALSO ALONG THE
STILLWATER RIVER AROUND NYE. THE WINDS WILL INCREASE IN STRENGTH
TONIGHT...PEAK TUESDAY AND TUESDAY NIGHT AND START TO SUBSIDE
WEDNESDAY MORNING.

MTZ065-020315-
/O.CON.KBYZ.HW.W.0001.070102T0900Z-070103T1800Z/
LIVINGSTON AREA-
INCLUDING THE CITY OF...LIVINGSTON
1206 PM MST MON JAN 1 2007

...HIGH WIND WARNING REMAINS IN EFFECT FROM 2 AM TUESDAY TO 11 AM
MST WEDNESDAY...

A HIGH WIND WARNING REMAINS IN EFFECT FROM 2 AM TUESDAY TO 11 AM
MST WEDNESDAY. 

SOUTHWEST WINDS WILL BEGIN TO INCREASE TONIGHT AND BY SUNRISE
TUESDAY WILL RANGE FROM 35 TO 45 MPH WITH GUSTS TO 55 MPH IN AND
AROUND LIVINGSTON. WINDS WILL CONTINUE TO INCREASE THROUGH TUESDAY
MORNING AND PERSIST THROUGH EARLY WEDNESDAY MORNING. WINDS DURING
THIS TIME WILL RANGE FROM 40 TO 55 MPH WITH GUSTS TO 70 MPH
POSSIBLE. WINDS WILL DIMINISH TO 20 TO 30 MPH WEDNESDAY AFTERNOON.

MOTORISTS IN TRAVELING ALONG INTERSTATE 90 IN HIGH PROFILE
VEHICLES SHOULD USE CAUTION OR FIND ALTERNATE ROUTES FROM LATE
TONIGHT THROUGH WEDNESDAY MORNING DUE TO THE STRONG CROSSWINDS.

$$

MTZ066-020315-
/O.CON.KBYZ.HW.W.0001.070102T0900Z-070103T1800Z/
BEARTOOTH FOOTHILLS-
INCLUDING THE CITIES OF...FISHTAIL...MCLEOD
1206 PM MST MON JAN 1 2007

...HIGH WIND WARNING REMAINS IN EFFECT FROM 2 AM TUESDAY TO 11 AM
MST WEDNESDAY...

A HIGH WIND WARNING REMAINS IN EFFECT FROM 2 AM TUESDAY TO 11 AM
MST WEDNESDAY. 

SOUTHWEST WINDS WILL INCREASE IN STRENGTH AND RANGE FROM 35 TO
45 MPH WITH GUSTS TO 55 MPH LATE TONIGHT INTO EARLY TUESDAY
MORNING. WINDS WILL CONTINUE TO INCREASE THROUGH TUESDAY MORNING
AND PERSIST IN STRENGTH THROUGH EARLY WEDNESDAY MORNING. WINDS
DURING THIS TIME WILL RANGE FROM 40 TO 55 MPH WITH GUSTS TO 65 MPH
POSSIBLE. WINDS WILL DIMINISH TO 20 TO 30 MPH WEDNESDAY AFTERNOON.

THE STRONGEST WINDS ARE EXPECTED FROM NYE TO THE STILLWATER MINE
SOUTH OF NYE...WITH SLIGHTLY LIGHTER WINDS EXPECTED ALONG WEST
ROSEBUD CREEK SOUTH OF FIDDLER CREEK ROAD.

WINDS OF THESE MAGNITUDES CAN CAUSE PROPERTY DAMAGE WITHOUT EXTRA
PRECAUTIONS. MOTORISTS IN HIGH PROFILE VEHICLES SHOULD USE
CAUTION UNTIL THE WINDS SUBSIDE.

$$
000 
WWUS75 KBYZ 012229
NPWBYZ

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
329 PM MST MON JAN 1 2007

.A TROUGH OF LOW PRESSURE WILL STRENGTHEN EAST OF THE ROCKIES
OVERNIGHT AND REMAIN STRONG THROUGH EARLY WEDNESDAY. THE COMBINATION
OF THIS DEEPENING TROUGH AND HIGH PRESSURE OVER SOUTHEAST IDAHO
WILL BRING STRONG WINDS TO THE LIVINGSTON AREA AND UPPER
STILLWATER RIVER VALLEY NEAR NYE LATE TONIGHT THROUGH WEDNESDAY
MORNING.

MTZ065-020630-
/O.CON.KBYZ.HW.W.0001.070102T0900Z-070103T1800Z/
LIVINGSTON AREA-
INCLUDING THE CITY OF...LIVINGSTON
329 PM MST MON JAN 1 2007

...HIGH WIND WARNING REMAINS IN EFFECT FROM 2 AM TUESDAY TO 11 AM
MST WEDNESDAY...

A HIGH WIND WARNING REMAINS IN EFFECT FROM 2 AM TUESDAY TO 11 AM
MST WEDNESDAY. 

SOUTHWEST WINDS WILL INCREASE TO 30 TO 45 MPH WITH GUSTS TO AROUND
60 MPH LATE TONIGHT. THE WINDS WILL CONTINUE TO INCREASE TUESDAY
MORNING TO 35 TO 55 MPH WITH GUSTS TO NEAR 75 MPH. THESE VERY
STRONG WINDS WILL CONTINUE THROUGH WEDNESDAY MORNING BEFORE
DIMINISHING TO 25 TO 40 MPH WITH GUSTS TO AROUND 50 MPH WEDNESDAY
AFTERNOON. 

MOTORISTS THAT WILL BE TRAVELING ALONG INTERSTATE 90 IN HIGH
PROFILE VEHICLES SHOULD USE CAUTION OR FIND ALTERNATE ROUTES FROM
LATE TONIGHT THROUGH WEDNESDAY MORNING DUE TO THE STRONG
CROSSWINDS.

$$

MTZ066-020630-
/O.CON.KBYZ.HW.W.0001.070102T0900Z-070103T1800Z/
BEARTOOTH FOOTHILLS-
INCLUDING THE CITIES OF...FISHTAIL...MCLEOD
329 PM MST MON JAN 1 2007

...HIGH WIND WARNING REMAINS IN EFFECT FROM 2 AM TUESDAY TO 11 AM
MST WEDNESDAY...

A HIGH WIND WARNING REMAINS IN EFFECT FROM 2 AM TUESDAY TO 11 AM
MST WEDNESDAY. 

SOUTHWEST WINDS WILL INCREASE TO 30 TO 45 MPH WITH GUSTS TO AROUND
65 MPH LATE TONIGHT. THE WINDS WILL CONTINUE TO INCREASE TUESDAY
MORNING TO 35 TO 55 MPH WITH GUSTS TO AROUND 75 MPH. THESE VERY
STRONG WINDS WILL CONTINUE THROUGH WEDNESDAY MORNING BEFORE
DIMINISHING TO 25 TO 40 MPH WITH GUSTS TO AROUND 50 MPH WEDNESDAY
AFTERNOON. 

THE STRONGEST WINDS ARE EXPECTED FROM NYE TO THE STILLWATER MINE
SOUTH OF NYE...WITH SLIGHTLY LIGHTER WINDS EXPECTED ALONG WEST
ROSEBUD CREEK SOUTH OF FIDDLER CREEK ROAD.

WINDS OF THESE MAGNITUDES CAN CAUSE PROPERTY DAMAGE WITHOUT EXTRA
PRECAUTIONS. MOTORISTS IN HIGH PROFILE VEHICLES SHOULD USE
CAUTION UNTIL THE WINDS SUBSIDE.

$$

ARTHUR
000 
WWUS75 KBYZ 020519
NPWBYZ

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
1019 PM MST MON JAN 1 2007

.DEEPENING LOW PRESSURE EAST OF THE ROCKIES AND HIGH PRESSURE OVER
SOUTHEAST IDAHO WILL PRODUCE STRONG WINDS IN THE LIVINGSTON AREA
AND UPPER STILLWATER RIVER VALLEY NEAR NYE TONIGHT THROUGH
WEDNESDAY MORNING.

MTZ065-021300-
/O.CON.KBYZ.HW.W.0001.070102T0900Z-070103T1800Z/
LIVINGSTON AREA-
INCLUDING THE CITY OF...LIVINGSTON
1019 PM MST MON JAN 1 2007

...HIGH WIND WARNING REMAINS IN EFFECT FROM 2 AM TUESDAY TO 11 AM
MST WEDNESDAY...

A HIGH WIND WARNING REMAINS IN EFFECT FROM 2 AM TUESDAY TO 11 AM
MST WEDNESDAY. 

SOUTHWEST WINDS WILL INCREASE TO 30 TO 45 MPH WITH GUSTS TO
AROUND 60 MPH TONIGHT. THE WINDS WILL CONTINUE TO INCREASE
TUESDAY MORNING REACHING 35 TO 55 MPH WITH GUSTS TO NEAR 75 MPH.
THESE VERY STRONG WINDS WILL CONTINUE THROUGH WEDNESDAY MORNING
BEFORE DIMINISHING SOMEWHAT WEDNESDAY AFTERNOON.

MOTORISTS THAT WILL BE TRAVELING ALONG INTERSTATE 90 IN HIGH
PROFILE VEHICLES SHOULD USE CAUTION OR FIND ALTERNATE ROUTES FROM
LATE TONIGHT THROUGH WEDNESDAY MORNING DUE TO THE STRONG
CROSSWINDS.

$$

MTZ066-021300-
/O.CON.KBYZ.HW.W.0001.070102T0900Z-070103T1800Z/
BEARTOOTH FOOTHILLS-
INCLUDING THE CITIES OF...FISHTAIL...MCLEOD
1019 PM MST MON JAN 1 2007

...HIGH WIND WARNING REMAINS IN EFFECT FROM 2 AM TUESDAY TO 11 AM
MST WEDNESDAY...

A HIGH WIND WARNING REMAINS IN EFFECT FROM 2 AM TUESDAY TO 11 AM
MST WEDNESDAY. 

SOUTHWEST WINDS WILL INCREASE TO 30 TO 45 MPH WITH GUSTS TO
AROUND 65 MPH LATE TONIGHT. THE WINDS WILL CONTINUE TO INCREASE
TUESDAY MORNING REACHING 35 TO 55 MPH WITH GUSTS TO AROUND 75
MPH. THESE VERY STRONG WINDS WILL CONTINUE THROUGH WEDNESDAY
MORNING BEFORE DIMINISHING WEDNESDAY AFTERNOON.

THE STRONGEST WINDS ARE EXPECTED FROM NYE TO THE STILLWATER MINE
SOUTH OF NYE...WITH SLIGHTLY LIGHTER WINDS EXPECTED ALONG WEST
ROSEBUD CREEK SOUTH OF FIDDLER CREEK ROAD.

WINDS OF THESE MAGNITUDES CAN CAUSE PROPERTY DAMAGE WITHOUT EXTRA
PRECAUTIONS. MOTORISTS IN HIGH PROFILE VEHICLES SHOULD USE
CAUTION UNTIL THE WINDS SUBSIDE.

$$
000 
WWUS75 KBYZ 021106
NPWBYZ

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
406 AM MST TUE JAN 2 2007

.LOW PRESSURE OVER CENTRAL MONTANA WITH HIGH PRESSURE OVER
SOUTHEAST IDAHO WILL PRODUCE STRONG WINDS IN THE LIVINGSTON AREA
AND UPPER STILLWATER RIVER VALLEY NEAR NYE TONIGHT THROUGH
WEDNESDAY MORNING.

MTZ065-021915-
/O.CON.KBYZ.HW.W.0001.000000T0000Z-070103T1800Z/
LIVINGSTON AREA-
INCLUDING THE CITY OF...LIVINGSTON
406 AM MST TUE JAN 2 2007

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST
WEDNESDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST WEDNESDAY. 

SOUTHWEST WINDS OF 35 TO 55 MPH WITH GUSTS TO NEAR 65 MPH ARE
EXPECTED TODAY. THESE VERY STRONG WINDS WILL CONTINUE THROUGH
TUESDAY NIGHT AND WEDNESDAY MORNING BEFORE DIMINISHING WEDNESDAY
AFTERNOON.

MOTORISTS THAT WILL BE TRAVELING ALONG INTERSTATE 90 IN HIGH
PROFILE VEHICLES SHOULD USE CAUTION OR FIND ALTERNATE ROUTES FROM
LATE TONIGHT THROUGH WEDNESDAY MORNING DUE TO THE STRONG
CROSSWINDS.

$$

MTZ066-021915-
/O.CON.KBYZ.HW.W.0001.000000T0000Z-070103T1800Z/
BEARTOOTH FOOTHILLS-
INCLUDING THE CITIES OF...FISHTAIL...MCLEOD
406 AM MST TUE JAN 2 2007

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST
WEDNESDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST WEDNESDAY. 

WINDS WILL INCREASE THIS MORNING TO 35 TO 55 MPH WITH GUSTS TO
AROUND 65 MPH. THESE VERY STRONG WINDS WILL CONTINUE THROUGH
TONIGHT AND WEDNESDAY MORNING. THEN THEY WILL DIMINISHING
WEDNESDAY AFTERNOON.

THE STRONGEST WINDS ARE EXPECTED FROM NYE TO THE STILLWATER MINE
SOUTH OF NYE...WITH SLIGHTLY LIGHTER WINDS EXPECTED ALONG WEST
ROSEBUD CREEK SOUTH OF FIDDLER CREEK ROAD.

WINDS OF THESE MAGNITUDES CAN CAUSE PROPERTY DAMAGE WITHOUT EXTRA
PRECAUTIONS. MOTORISTS IN HIGH PROFILE VEHICLES SHOULD USE
CAUTION UNTIL THE WINDS SUBSIDE.

$$
000 
WWUS75 KBYZ 021702
NPWBYZ

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
1002 AM MST TUE JAN 2 2007

.THE COMBINATION OF LOW PRESSURE OVER CENTRAL MONTANA AND HIGH
PRESSURE OVER SOUTHEAST IDAHO WILL PRODUCE STRONG WINDS OVER
PORTIONS OF SOUTH CENTRAL MONTANA THIS AFTERNOON THROUGH WEDNESDAY
MORNING.

MTZ063-030115-
/O.EXB.KBYZ.HW.W.0001.070102T1702Z-070103T1800Z/
JUDITH GAP-
INCLUDING THE CITY OF...JUDITH GAP
1002 AM MST TUE JAN 2 2007

...HIGH WIND WARNING IN EFFECT UNTIL 11 AM MST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN BILLINGS HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT UNTIL 11 AM MST WEDNESDAY. 

SOUTHWEST WINDS OF 35 TO 50 MPH WITH GUSTS TO NEAR 60 MPH WILL
OCCUR THIS AFTERNOON. THESE VERY STRONG WINDS WILL CONTINUE
THROUGH WEDNESDAY MORNING BEFORE DIMINISHING WEDNESDAY AFTERNOON.

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF
58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. VEHICLES SHOULD USE
CAUTION OR FIND ALTERNATE ROUTES FROM LATE TONIGHT THROUGH
WEDNESDAY MORNING DUE TO THE STRONG CROSSWINDS.

$$

MTZ065-030115-
/O.CON.KBYZ.HW.W.0001.000000T0000Z-070103T1800Z/
LIVINGSTON AREA-
INCLUDING THE CITY OF...LIVINGSTON
1002 AM MST TUE JAN 2 2007

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST
WEDNESDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST WEDNESDAY. 

SOUTHWEST WINDS OF 35 TO 55 MPH WITH GUSTS TO NEAR 65 MPH WILL
CONTINUE THIS AFTERNOON. THESE VERY STRONG WINDS WILL PERSIST THROUGH
WEDNESDAY MORNING AND DIMINISH WEDNESDAY AFTERNOON.

MOTORISTS THAT WILL BE TRAVELING ALONG INTERSTATE 90 IN HIGH
PROFILE VEHICLES SHOULD USE CAUTION OR FIND ALTERNATE ROUTES FROM
LATE TONIGHT THROUGH WEDNESDAY MORNING DUE TO THE STRONG
CROSSWINDS.

$$

MTZ066-030115-
/O.CON.KBYZ.HW.W.0001.000000T0000Z-070103T1800Z/
BEARTOOTH FOOTHILLS-
INCLUDING THE CITIES OF...FISHTAIL...MCLEOD
1002 AM MST TUE JAN 2 2007

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST
WEDNESDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST WEDNESDAY. 

SOUTHWEST WINDS OF 35 TO 55 MPH WITH GUSTS TO AROUND 70 MPH WILL
CONTINUE THIS AFTERNOON. THESE VERY STRONG WINDS WILL PERSIST THROUGH
WEDNESDAY MORNING BEFORE DIMINISHING WEDNESDAY AFTERNOON.

THE STRONGEST WINDS ARE EXPECTED FROM NYE TO THE STILLWATER MINE
SOUTH OF NYE...WITH SLIGHTLY LIGHTER WINDS EXPECTED ALONG WEST
ROSEBUD CREEK SOUTH OF FIDDLER CREEK ROAD.

WINDS OF THESE MAGNITUDES CAN CAUSE PROPERTY DAMAGE WITHOUT EXTRA
PRECAUTIONS. MOTORISTS IN HIGH PROFILE VEHICLES SHOULD USE
CAUTION UNTIL THE WINDS SUBSIDE.

$$

ARTHUR
000 
WWUS75 KBYZ 021920
NPWBYZ

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
1220 PM MST TUE JAN 2 2007

.THE COMBINATION OF LOW PRESSURE OVER CENTRAL MONTANA AND HIGH
PRESSURE OVER SOUTHEAST IDAHO WILL PRODUCE STRONG WINDS OVER
PORTIONS OF SOUTH CENTRAL MONTANA THIS AFTERNOON THROUGH
WEDNESDAY MORNING.

MTZ028-034-041-030330-
/O.EXB.KBYZ.HW.W.0001.000000T0000Z-070103T0400Z/
SOUTHERN WHEATLAND-NORTHERN STILLWATER-NORTHERN SWEET GRASS-
INCLUDING THE CITIES OF...HARLOWTON...COLUMBUS...ABSAROKEE...
BIG TIMBER
1220 PM MST TUE JAN 2 2007

...HIGH WIND WARNING IN EFFECT UNTIL 9 PM MST THIS EVENING...

THE NATIONAL WEATHER SERVICE IN BILLINGS HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT UNTIL 9 PM MST THIS EVENING. 

SOUTHWEST WINDS OF 35 TO 50 MPH WITH GUSTS TO AROUND 60 MPH WILL
OCCUR THIS AFTERNOON AND DIMINISH AFTER SUNSET.

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. VEHICLES SHOULD
USE CAUTION OR FIND ALTERNATE ROUTES FROM LATE TONIGHT THROUGH
WEDNESDAY MORNING DUE TO THE STRONG CROSSWINDS.

$$

MTZ065-030330-
/O.CON.KBYZ.HW.W.0001.000000T0000Z-070103T1800Z/
LIVINGSTON AREA-
INCLUDING THE CITY OF...LIVINGSTON
1220 PM MST TUE JAN 2 2007

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST
WEDNESDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST WEDNESDAY. 

SOUTHWEST WINDS OF 35 TO 55 MPH WITH GUSTS TO NEAR 65 MPH WILL
CONTINUE THIS AFTERNOON. THESE VERY STRONG WINDS WILL PERSIST
THROUGH WEDNESDAY MORNING AND DIMINISH WEDNESDAY AFTERNOON.

MOTORISTS THAT WILL BE TRAVELING ALONG INTERSTATE 90 IN HIGH
PROFILE VEHICLES SHOULD USE CAUTION OR FIND ALTERNATE ROUTES FROM
LATE TONIGHT THROUGH WEDNESDAY MORNING DUE TO THE STRONG
CROSSWINDS.

$$

MTZ066-030330-
/O.CON.KBYZ.HW.W.0001.000000T0000Z-070103T1800Z/
BEARTOOTH FOOTHILLS-
INCLUDING THE CITIES OF...FISHTAIL...MCLEOD
1220 PM MST TUE JAN 2 2007

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST
WEDNESDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST WEDNESDAY. 

SOUTHWEST WINDS OF 35 TO 55 MPH WITH GUSTS TO AROUND 70 MPH WILL
CONTINUE THIS AFTERNOON. THESE VERY STRONG WINDS WILL PERSIST
THROUGH WEDNESDAY MORNING BEFORE DIMINISHING WEDNESDAY AFTERNOON.

THE STRONGEST WINDS ARE EXPECTED FROM NYE TO THE STILLWATER MINE
SOUTH OF NYE...WITH SLIGHTLY LIGHTER WINDS EXPECTED ALONG WEST
ROSEBUD CREEK SOUTH OF FIDDLER CREEK ROAD.

WINDS OF THESE MAGNITUDES CAN CAUSE PROPERTY DAMAGE WITHOUT EXTRA
PRECAUTIONS. MOTORISTS IN HIGH PROFILE VEHICLES SHOULD USE
CAUTION UNTIL THE WINDS SUBSIDE.

$$

MTZ063-030330-
/O.CON.KBYZ.HW.W.0001.000000T0000Z-070103T1800Z/
JUDITH GAP-
INCLUDING THE CITY OF...JUDITH GAP
1220 PM MST TUE JAN 2 2007

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST
WEDNESDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST WEDNESDAY. 

SOUTHWEST WINDS OF 35 TO 50 MPH WITH GUSTS TO NEAR 60 MPH WILL
OCCUR THIS AFTERNOON. THESE VERY STRONG WINDS WILL CONTINUE
THROUGH WEDNESDAY MORNING BEFORE DIMINISHING WEDNESDAY AFTERNOON.

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. VEHICLES SHOULD
USE CAUTION OR FIND ALTERNATE ROUTES FROM LATE TONIGHT THROUGH
WEDNESDAY MORNING DUE TO THE STRONG CROSSWINDS.

$$

ARTHUR
000 
WWUS75 KBYZ 030312
NPWBYZ

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
812 PM MST TUE JAN 2 2007

.AN AREA OF LOW PRESSURE SLIDING EAST ACROSS SOUTHERN CANADA WILL
LOWER SURFACE PRESSURES ACROSS CENTRAL MONTANA TONIGHT. THE
COMBINATION OF LOWER PRESSURE OVER CENTRAL MONTANA AND HIGH
PRESSURE OVER SOUTHEAST IDAHO WILL PRODUCE STRONG WINDS OVER
PORTIONS OF SOUTH CENTRAL MONTANA TONIGHT THROUGH TOMORROW.

MTZ028-034-041-030415-
/O.CAN.KBYZ.HW.W.0001.000000T0000Z-070103T0400Z/
SOUTHERN WHEATLAND-NORTHERN STILLWATER-NORTHERN SWEET GRASS-
INCLUDING THE CITIES OF...HARLOWTON...COLUMBUS...ABSAROKEE...
BIG TIMBER
812 PM MST TUE JAN 2 2007

...HIGH WIND WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN BILLINGS HAS CANCELLED THE HIGH
WIND WARNING. 

STRONG WINDS OF 50 MPH GUSTING TO 60 MPH HAVE DIMINISHED THIS
EVENING TO AROUND 25 MPH. WHILE A FEW ISOLATED GUSTS TO 50 MPH ARE
STILL POSSIBLE OVERNIGHT...THE THREAT OF SUSTAINED DAMAGING WINDS
HAS PASSED. THEREFORE THE HIGH WIND WARNING HAS BEEN CANCELLED.

$$

MTZ065-031400-
/O.CON.KBYZ.HW.W.0001.000000T0000Z-070103T1800Z/
LIVINGSTON AREA-
INCLUDING THE CITY OF...LIVINGSTON
812 PM MST TUE JAN 2 2007

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST
WEDNESDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST WEDNESDAY. 

WINDS CONTINUE AT AROUND 55 MPH SUSTAINED WITH OCCASIONAL GUSTS TO
AROUND 80 MPH AT THE LIVINGSTON AIRPORT AND AT THE DEPARTMENT OF
TRANSPORTATION OBSERVING SITE ALONG INTERSTATE 90 IN THE LIVINGSTON
AREA. SURFACE PRESSURES ARE EXPECTED TO CONTINUE TO DROP THROUGH
LATE TONIGHT. THIS WILL SUSTAIN THE STRONG WINDS OVERNIGHT...WITH
SOME STRENGTHENING POSSIBLE AROUND MIDNIGHT. SUSTAINED WINDS
AROUND 60 MPH WITH GUSTS TO HIGHER THAN 80 MPH ARE LIKELY
OVERNIGHT.

PERSONS TRAVELING IN THE WARNED AREA...PARTICULARLY ALONG
INTERSTATE 90 BETWEEN SPRINGDALE AND LIVINGSTON...SHOULD USE
EXTREME CAUTION THROUGH MID DAY WEDNESDAY. EXTREMELY STRONG
CROSSWINDS WILL OCCUR IN THIS CORRIDOR MAKING TRAVEL HAZARDOUS.
DRIVERS OF HIGH PROFILE VEHICLES SHOULD CONSIDER AN ALTERNATE
ROUTE OF TRAVEL OR WAIT UNTIL WINDS SUBSIDE WEDNESDAY AFTERNOON.

$$

MTZ066-031400-
/O.CON.KBYZ.HW.W.0001.000000T0000Z-070103T1800Z/
BEARTOOTH FOOTHILLS-
INCLUDING THE CITIES OF...FISHTAIL...MCLEOD
812 PM MST TUE JAN 2 2007

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST
WEDNESDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST WEDNESDAY. 

WINDS IN THE NYE AREA HAVE INCREASED THIS EVENING TO AROUND 40 MPH
SUSTAINED WITH GUSTS TO AROUND 65 MPH. AS SURFACE PRESSURES
CONTINUE TO FALL OVER CENTRAL MONTANA TONIGHT...EXPECT WIND SPEEDS
TO INCREASE TO 50 TO 60 MPH SUSTAINED WITH OCCASIONAL GUSTS TO
AROUND 80 MPH. 

THE STRONGEST WINDS ARE EXPECTED FROM NYE TO THE STILLWATER MINE
SOUTH OF NYE...WITH SLIGHTLY LIGHTER WINDS EXPECTED ALONG WEST
ROSEBUD CREEK SOUTH OF FIDDLER CREEK ROAD.

WINDS OF THESE MAGNITUDES CAN CAUSE PROPERTY DAMAGE WITHOUT EXTRA
PRECAUTIONS. MOTORISTS IN HIGH PROFILE VEHICLES SHOULD USE EXTREME
CAUTION UNTIL THE WINDS SUBSIDE WEDNESDAY AFTERNOON.

$$

MTZ063-031400-
/O.CON.KBYZ.HW.W.0001.000000T0000Z-070103T1800Z/
JUDITH GAP-
INCLUDING THE CITY OF...JUDITH GAP
812 PM MST TUE JAN 2 2007

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST
WEDNESDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST WEDNESDAY. 

EARLIER THIS EVENING WINDS IN THE JUDITH GAP VICINITY WERE
SUSTAINED ABOVE 40 MPH WITH GUSTS TO AROUND 55 MPH. AS PRESSURES
CONTINUE TO FALL OVER NORTH CENTRAL MONTANA THIS EVENING EXPECT
WIND SPEEDS TO INCREASE TO NEAR 50 MPH SUSTAINED WITH OCCASIONAL
GUSTS TO AROUND 65 MPH. WIND SPEEDS SHOULD SUBSIDE WEDNESDAY
MORNING AS THE RESPONSIBLE LOW PRESSURE SYSTEM MOVES NORTHEAST OF
THE AREA. 

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. VEHICLES SHOULD
USE CAUTION OR FIND ALTERNATE ROUTES FROM LATE TONIGHT THROUGH
WEDNESDAY MORNING DUE TO THE STRONG CROSSWINDS.

$$
000 
WWUS75 KBYZ 031058
NPWBYZ

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
358 AM MST WED JAN 3 2007

.THE COMBINATION OF LOW PRESSURE OVER SOUTHERN CANADA AND HIGH
PRESSURE OVER SOUTHEAST IDAHO WILL PRODUCE STRONG WINDS OVER
PORTIONS OF SOUTH CENTRAL MONTANA THIS MORNING.

MTZ063-031200-
/O.CAN.KBYZ.HW.W.0001.000000T0000Z-070103T1800Z/
JUDITH GAP-
INCLUDING THE CITY OF...JUDITH GAP
358 AM MST WED JAN 3 2007

...HIGH WIND WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN BILLINGS HAS CANCELLED THE HIGH
WIND WARNING. 

SOUTHWEST WINDS WILL BE STRONG THIS MORNING...BUT STAY BELOW
WARNING CRITERIA. SOUTHWEST WINDS OF 25 TO 40 MPH WITH GUSTS TO
50 MPH CAN BE EXPECTED THIS MORNING. THE WINDS WILL DECREASE LATE
THIS MORNING INTO THIS AFTERNOON.

$$

MTZ065-031800-
/O.CON.KBYZ.HW.W.0001.000000T0000Z-070103T1800Z/
LIVINGSTON AREA-
INCLUDING THE CITY OF...LIVINGSTON
358 AM MST WED JAN 3 2007

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS
MORNING...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS
MORNING. 

SOUTHWEST WINDS OF 35 TO 55 MPH WITH GUSTS TO 70 MPH WILL
CONTINUE THIS MORNING. THE WINDS ARE EXPECTED TO DECREASE LATE
THIS MORNING INTO THIS AFTERNOON.

PERSONS TRAVELING IN THE WARNED AREA...PARTICULARLY ALONG
INTERSTATE 90 BETWEEN SPRINGDALE AND LIVINGSTON...SHOULD USE
EXTREME CAUTION THROUGH MID DAY. EXTREMELY STRONG CROSSWINDS WILL
OCCUR IN THIS CORRIDOR MAKING TRAVEL HAZARDOUS. DRIVERS OF HIGH
PROFILE VEHICLES SHOULD CONSIDER AN ALTERNATE ROUTE OF TRAVEL OR
WAIT UNTIL WINDS SUBSIDE THIS AFTERNOON.

$$

MTZ066-031800-
/O.CON.KBYZ.HW.W.0001.000000T0000Z-070103T1800Z/
BEARTOOTH FOOTHILLS-
INCLUDING THE CITIES OF...FISHTAIL...MCLEOD
358 AM MST WED JAN 3 2007

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS
MORNING...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS
MORNING. 

SOUTHWEST WINDS OF 35 TO 55 MPH WITH GUSTS TO 70 MPH WILL
CONTINUE THIS MORNING. THE WINDS ARE EXPECTED TO DECREASE LATE
THIS MORNING INTO THIS AFTERNOON.

THE STRONGEST WINDS ARE EXPECTED FROM NYE TO THE STILLWATER MINE
SOUTH OF NYE...WITH SLIGHTLY LIGHTER WINDS EXPECTED ALONG WEST
ROSEBUD CREEK SOUTH OF FIDDLER CREEK ROAD.

WINDS OF THESE MAGNITUDES CAN CAUSE PROPERTY DAMAGE WITHOUT EXTRA
PRECAUTIONS. MOTORISTS IN HIGH PROFILE VEHICLES SHOULD USE
EXTREME CAUTION UNTIL THE WINDS SUBSIDE WEDNESDAY AFTERNOON.

$$
000 
WWUS75 KBYZ 031755
NPWBYZ

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
1055 AM MST WED JAN 3 2007

MTZ065-066-031900-
/O.CAN.KBYZ.HW.W.0001.000000T0000Z-070103T1800Z/
LIVINGSTON AREA-BEARTOOTH FOOTHILLS-
INCLUDING THE CITIES OF...LIVINGSTON...FISHTAIL...MCLEOD
1055 AM MST WED JAN 3 2007

...HIGH WIND WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN BILLINGS HAS CANCELLED THE HIGH
WIND WARNING. 

SOUTHWEST WINDS OF 25 TO 40 MPH WITH GUSTS TO NEAR 50 MPH WILL OCCUR
THIS AFTERNOON NEAR LIVINGSTON AND ALONG THE UPPER STILLWATER
RIVER VALLEY NEAR NYE. HOWEVER...WINDS WILL REMAIN BELOW WARNING
CRITERIA SO THE HIGH WIND WARNING HAS BEEN ALLOWED TO EXPIRE.

$$

ARTHUR

What forecasters said that day

The local office's own words before this high wind warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Billings, MT wrote its last area forecast discussion before this high wind warning went out at Jan 1, 3:18 AM MST, 26 minutes earlier.

Area forecast discussion, Jan 1, 3:18 AM MST, 26 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BILLINGS MT
318 AM MST MON JAN 1 2007

.SHORT TERM...VALID FOR TDY AND TUE...

A SHORT WAVE IS QUICKLY HEADING THROUGH THE CWA EARLY THIS MORNING
AND SHOULD CLEAR THE AREA BY NOON. SKIES ARE CLEAR BEHIND THE WAVE
WITH SOME CIRRUS AHEAD OF THE NEXT SYSTEM IS NOW HEADING INTO
EASTERN WASHINGTON. BUT MOST OF THE CIRRUS SHOULD REMAIN WEST OF THE CWA
UNTIL TONIGHT. SO EXPECT A SUNNY DAY TO ALLOW FOR A WARMER DAY ALL
LOCATIONS.

WIND AND HOW MILD TEMPERATURES WILL BE IS THE NEXT PROBLEM. STRONG
ZONAL FLOW WILL ESTABLISH ITSELF OVER THE PACIFIC NORTHWEST
STARTING MONDAY NIGHT INTO TUESDAY. A FLAT UPPER RIDGE WILL MOVE
INTO WESTERN HALF OF THE STATE MONDAY NIGHT AND RESULT IN LEE SIDE
TROUGH ACROSS MONTANA WITH HIGH PRESSURE OVER EASTERN IDAHO AND
NORTHWEST WYOMING. PRESSURE DIFFERENCES ACROSS THE AREA REACH 15MB
FROM LWT TO IDA BY TUESDAY MORNING. GIVEN THE NEARLY ISOTHERMAL PROFILE
FROM THE SURFACE TO 700MB...WINDS THROUGH THE RIVER VALLEYS OF THE
ABSAROKAS AND BEARTOOHS SHOULD REALLY PICK UP MONDAY NIGHT AS THE
GRADIENT TIGHTENS. WINDS ALONG THE CLARKS FORK OF THE YELLOWSTONE
SHOULD ALSO BECOME STRONG AS WELL. GRADIENT IS TIGHTEST LATE
TUESDAY AND EVENING...AND IS FAVORABLE OF HIGH WINDS FOR
LIVINGSTON AND ALONG THE STILLWATER VALLEY. MEANWHILE THE GRADIENT
FAVORS MARGINAL HIGH WIND TO ADVISORY CONDITIONS LATE MONDAY
THROUGH TUESDAY MORNING AND ALSO WEDNESDAY MORNING. FEEL THE BEST
WAY TO HANDLE THIS WOULD BE TO ISSUE A HIGH WIND WARNING STARTING
LATE MONDAY NIGHT AND KEEP IT POSTED THROUGH WEDNESDAY AT NOON.
OUTSIDE THE TYPICAL GAP FLOW AREAS...TUESDAY WILL LIKELY BE THE
WINDIEST SPELL WHEN AFTERNOON MIXING IS GREATEST. MODELS ARE
KEEPING SOME SORT OF AN INVERSION...PERHAPS DUE TO CLOUDS AND SOME
LINGERING SNOW PACK.  BUT THE MODELS HAVE HAD A COLD BIAS IN THESE
SITUATIONS SO FAR THIS WINTER. SO WILL GO WITH THE IDEA OF BETTER
MIXING AND BUMP TEMPS UP TO ABOVE THE MAV. THIS IDEA ALSO POSES A
PROBLEM WITH 800MB WINDS BEING NEAR 45KTS SINCE THEY COULD MIX DOWN TO
THE SURFACE. IT SEEMS THE WESTERN ZONES...PARTICULARLY AROUND
JUDITH GAP HAVE THE GREATEST POTENTIAL OF SEEING HIGH WINDS. NOT
PARTICULARLY CONFIDENT IN HOW MUCH WIND WILL MIX DOWN...SO WILL
JUST INCREASE THE WINDS TO BELOW WARNING CRITERIA. LATER SHIFTS
WILL NEED TO MONITOR THIS CLOSELY.

STRONG WINDS AND CLOUDS SPREADING IN AHEAD FROM THE COAST SHOULD
KEEP TEMPERATURES FROM DROPPING ALL THAT MUCH MONDAY AND TUESDAY
NIGHTS AS WELL. GOING OFF MODEL BIASES FROM PAST EVENTS...WILL
ADJUST TEMPS UP A LITTLE MORE BOTH NIGHTS. MOORE

.LONG TERM...VALID FOR WED...THU...FRI...SAT...SUN...

MODELS IN GOOD AGREEMENT THROUGH THE LENGTH OF THE EXTENDED
FORECAST. THIS LEADS TO HIGHER CONFIDENCE IN MILD WEATHER EARLY
ON WITH A TURN TO COLDER WEATHER FOR THE END OF THE WEEK. STRONG
WINDS WILL BE OVER THE UPPER YELLOWSTONE AND UPPER STILLWATER
VALLEYS WEDNESDAY MORNING. WINDS TO DECREASE DURING THE AFTERNOON
AS THE LEE TROUGH RESPONSIBLE FOR THE TIGHT SURFACE PRESSURE
GRADIENT PULLS AWAY. STRONG DOWNSLOPE FLOW WILL ALLOW FOR MILD
TEMPERATURES. SHORTWAVE ENERGY SWINGS ACROSS THE STATE WITH
INFLUX OF CLOUDS AND LIFT. KEPT LOW POPS IN FOR WEDNESDAY AND
WEDNESDAY NIGHT. RAISED POPS IN THE MOUNTAINS TO LIKELY WITH A
STEADY STREAM OF MOISTURE. CLOUDS AND LIFT SHOULD KEEP
TEMPERATURES COOLER THAN TUESDAY BUT STILL ABOVE SEASONAL
AVERAGES. HEIGHTS CONTINUE TO LOWER THURSDAY THROUGH FRIDAY AS A
WESTERN TROUGH SHARPENS AND PULLS ACROSS THE STATE. POPS
WARRANTED AS THE SYSTEM SLIDES ACROSS AND DID NOT CHANGE.
NORTHWEST FLOW SETS UP FRIDAY NIGHT AND SATURDAY BEHIND THE
TROUGH. NORTHWEST FLOW REMAINS FOR SUNDAY. DEEPER MOISTURE AND
STRONGER ENERGY MOVES IN SUNDAY AND THUS ISSUED POPS FOR CENTRAL
AND WESTERN ZONES. THIS SYSTEM SHOULD OPEN THE DOOR FOR SOME MUCH
COLDER AIR THE FOLLOWING WEEK. THIS WILL CERTAINLY BE A STORY
THAT WE WILL BE WATCHING CLOSELY AS SOME VERY COLD AIR WAS
TRAPPED IN CENTRAL AND NORTHERN ALASKA. THE LONG RANGE MODELS
WERE PULLING THIS VERY COLD AIR INTO MONTANA DURING THE JANUARY
10TH AND 11TH TIME FRAME. HUMPHREY

&&

.AVIATION...

A DISTURBANCE WILL SHIFT THROUGH THE AREA THIS MORNING AND
PRODUCE ISOLATED SNOW SHOWERS OVER THE MOUNTAINS. THE REST OF THE
AREA WILL BE DRY WITH ONLY A FEW MID TO HIGH LEVEL CLOUDS. WINDS
WILL INCREASE AT KLVM THIS EVENING WITH GUSTS TO 60 MPH POSSIBLE
OVERNIGHT. HUMPHREY

&&

.PRELIMINARY POINT TEMP/POPS...

    TDY TUE     WED     THU     FRI     SAT     SUN
-------------------------------------------------------
BIL 036 024/048 032/043 027/040 022/032 016/035 020/031
    0/B 00/N    00/B    22/S    22/S    00/B    02/S
LVM 034 026/046 037/044 026/038 020/028 022/034 019/030
    1/N 00/N    02/R    44/S    32/S    22/S    22/S
HDN 037 021/045 029/045 021/043 020/034 014/034 018/037
    0/B 00/B    00/B    22/S    22/S    00/B    02/S
MLS 032 015/041 025/041 019/039 019/034 012/033 014/031
    0/B 00/B    00/B    22/S    22/S    00/B    02/S
4BQ 033 015/038 021/045 020/043 020/033 012/035 015/035
    0/B 00/B    00/B    20/B    22/S    00/B    02/S
BHK 030 014/039 022/042 019/038 019/032 012/030 014/031
    0/B 00/B    00/B    22/S    22/S    00/B    00/B
SHR 033 015/045 024/044 019/040 018/029 008/034 011/030
    0/B 00/B    00/B    02/S    32/S    22/S    22/S

&&

.BYZ WATCHES/WARNINGS/ADVISORIES...
MT...HIGH WIND WARNING IN EFFECT FROM 2 AM TUESDAY TO 11 AM MST
      WEDNESDAY FOR ZONES 65-66.
WY...NONE.

&&

WEATHER.GOV/BILLINGS
Hazardous weather outlook, Dec 31, 3:03 PM MST, 12 hours 41 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BILLINGS MT
303 PM MST SUN DEC 31 2006

MTZ065-066-012215-
LIVINGSTON AREA-BEARTOOTH FOOTHILLS-
303 PM MST SUN DEC 31 2006

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL
MONTANA.

.DAY ONE...THIS AFTERNOON AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

STRONG WINDS WILL DEVELOP MONDAY NIGHT AND CONTINUE THROUGH
WEDNESDAY NIGHT. SUSTAINED WINDS COULD BE IN EXCESS OF 45 MPH AT
TIMES WITH GUSTS OVER 60 MPH. DEPENDING ON HOW THE WEATHER PATTERN
SETS UP...WINDS COULD BE EVEN STRONGER. IF YOU ARE PLANNING ON
TRAVELING ON INTERSTATE 90 DURING THIS TIME...BE PREPARED FOR
STRONG CROSSWINDS.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

MTZ028>042-056>058-063-064-067-068-WYZ098-099-012215-
SOUTHERN WHEATLAND-MUSSELSHELL-TREASURE-NORTHERN ROSEBUD-CUSTER-
FALLON-NORTHERN STILLWATER-YELLOWSTONE-POWDER RIVER-CARTER-
SOUTHERN BIG HORN-EASTERN CARBON-NORTHERN PARK-
NORTHERN SWEET GRASS-GOLDEN VALLEY-RED LODGE FOOTHILLS-
NORTHERN BIG HORN-SOUTHERN ROSEBUD-JUDITH GAP-PARADISE VALLEY-
ABSAROKA/BEARTOOTH MOUNTAINS-CRAZY MOUNTAINS-
NORTHEAST BIG HORN MOUNTAINS-SHERIDAN FOOTHILLS-
303 PM MST SUN DEC 31 2006

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL
MONTANA...SOUTH CENTRAL MONTANA...SOUTHEAST MONTANA AND NORTH
CENTRAL WYOMING.

.DAY ONE...THIS AFTERNOON AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

STRONG WINDS WILL DEVELOP MONDAY NIGHT AND CONTINUE THROUGH
WEDNESDAY NIGHT IN THE LIVINGSTON AND NYE AREAS. SUSTAINED WINDS
COULD BE IN EXCESS OF 45 MPH AT TIMES WITH GUSTS OVER 60 MPH.
DEPENDING ON HOW THE WEATHER PATTERN SETS UP...WINDS COULD BE EVEN
STRONGER. IF YOU ARE PLANNING ON TRAVELING ON INTERSTATE 90 DURING
THIS TIME...BE PREPARED FOR STRONG CROSSWINDS.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

Nearby

High Wind Warnings in Montana, 2007Every high wind warning in 2007

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.