Alert archive / Montana / High Wind Watches in 2007

High Wind Watch 2, NWS Billings, MT

January 7, 20077 counties in Montana

NWS Billings, MT issued this high wind watch at Jan 7, 2007, 3:42 AM MST for 7 counties in Montana. It took effect at Jan 8, 2007, 6:00 AM MST. It was in force for .

The area

The counties it named.

The facts

Issued
Jan 7, 2007, 3:42 AM MST (10:42 UTC)
In effect from
Jan 8, 2007, 6:00 AM MST
Expired
Jan 8, 2007, 3:59 AM MST
In force
Issued by
NWS Billings, MT

Counties Carter County, MT, Custer County, MT, Fallon County, MT, Musselshell County, MT, Powder River County, MT, Rosebud County, MT, Treasure County, MT

The radar

The Billings radar (KBLX), 197 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.

The nearest sounding before it

Great_falls, MT (KTFX), launched 00:00Z, 10.7 hours before the alert went out and 378 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 2007-01-07Temperature 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 2007-01-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -20 square meters per square second.1939587897117Sfc1 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
574 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
-20 m²/s²
0-3 km storm-relative helicity
75 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this high wind watch 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 watch went out at Jan 7, 3:01 AM MST, 41 minutes earlier.

Area forecast discussion, Jan 7, 3:01 AM MST, 41 minutes before
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Hazardous weather outlook, Jan 6, 9:46 PM MST, 5 hours 56 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BILLINGS MT
946 PM MST SAT JAN 6 2007

MTZ028>042-056>058-063>068-WYZ098-099-080500-
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-
LIVINGSTON AREA-BEARTOOTH FOOTHILLS-ABSAROKA/BEARTOOTH MOUNTAINS-
CRAZY MOUNTAINS-NORTHEAST BIG HORN MOUNTAINS-SHERIDAN FOOTHILLS-
946 PM MST SAT JAN 6 2007

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

.DAY ONE...TONIGHT

LIGHT SNOW ACCUMULATIONS ARE OCCURRING OVER SOUTHERN BIG HORN
COUNTY AND SHERIDAN COUNTY WYOMING. UP TO AN INCH OF SNOW IS
POSSIBLE ESPECIALLY IN THE FOOTHILLS AND MOUNTAIN LOCATIONS.
GIVEN RECENT WARM TEMPERATURES SNOW MELTING AND RE- FREEZING ON
AREA ROADS IS A POSSIBILITY PERSONS TRAVELING SHOULD USE CAUTION
TRAVELING OVER NORTH CENTRAL WYOMING AND SOUTH CENTRAL MONTANA
TONIGHT.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

ANOTHER WEATHER SYSTEM WILL BRING THE POTENTIAL OF STRONG WINDS
OVER THE AREA SUNDAY AND SUNDAY NIGHT. FOLLOWING THIS...ANOTHER
WINDY PERIOD IS EXPECTED TUESDAY AND TUESDAY NIGHT AHEAD OF A
ARCTIC COLD FRONT EXPECTED TO PUSH ACROSS THE AREA ON WEDNESDAY OR
WEDNESDAY NIGHT. THIS STRONG COLD FRONT WILL LIKELY BRING A MAJOR
CHANGE IN THE WEATHER. THE CHANGE WILL INCLUDE MUCH BELOW NORMAL
TEMPERATURES AND ACCUMULATING SNOW FOR THE LATTER HALF OF NEXT
WEEK. THERE IS STILL SOME UNCERTAINTY REGARDING EXACTLY HOW THIS
PATTERN CHANGE WILL EVOLVE...SO PLEASE MONITOR FUTURE FORECASTS
AND STATEMENTS.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

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

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 6, 9:48 PM MSTHigh Wind WarningBYZGolden Valley, Park, Stillwater, Sweet Grass, Wheatland30 hr

Nearby

High Wind Watches in Montana, 2007Every high wind watch 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.