Special Weather Statement, NWS Missoula, MT

Area Forecast Discussion
National Weather Service Missoula MT
247 PM MDT MON JUN 29 2015

.DISCUSSION...Much of the region has been covered by clouds for
most of the day. But clearing has occurred in Lemhi County and
southwest Montana providing a trigger (heating) for the
development of thunderstorms. Skies will further clear from south
to north and as they do scattered thunderstorms will develop
across the entire region and persist through around midnight.
Convective activity will quickly diminish overnight as drier air
moves into the region.

Tuesday and Wednesday will bring a return to dry with continued
above normal temperatures (in the lower to mid 90s). But even
hotter conditions appear likely late in the week through the 4TH
OF JULY WEEKEND. Mid to even upper 90s are possible Friday
through Sunday.

Confidence is growing regarding the potential INCREASING WESTERLY
WINDS during the Friday and/or Saturday time frame. This could
pose fire weather issues given the dry conditions presently in
place. Stay tuned.

&&

.AVIATION...Scattered thunderstorms will develop the rest of this
afternoon and evening possibly impacting all terminals. The impact
from storms will be locally heavy rain, small hail and gusty
outflow winds. Expect convection to persist through 30/0600z. The
atmosphere dries out behind the passing front Wednesday through
the rest of the week.

&&

.MSO WATCHES/WARNINGS/ADVISORIES...
MT...None.
ID...None.
&&

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
712 PM MDT MON JUN 29 2015

...TIME...  ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
...DATE...  ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0630 PM     HAIL             2 E CHARLOS HEIGHTS     46.13N 114.13W
06/29/2015  E0.50 INCH       RAVALLI            MT   TRAINED SPOTTER

&&

NWS MISSOULA MT
IRIS SYSTEM

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MISSOULA MT
815 PM MDT MON JUN 29 2015

IDZ006-MTZ005-006-300315-
SOUTHERN CLEARWATER MOUNTAINS ID-MISSOULA/BITTERROOT VALLEYS MT-
BITTERROOT/SAPPHIRE MOUNTAINS MT-
815 PM MDT MON JUN 29 2015

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN IDAHO...WEST CENTRAL
GRANITE AND NORTHWESTERN RAVALLI COUNTIES UNTIL 915 PM MDT/815 PM
PDT/...

AT 815 PM MDT /715 PM PDT/...DOPPLER RADAR WAS TRACKING A STRONG
THUNDERSTORM 11 MILES SOUTHWEST OF HAMILTON...MOVING NORTHEAST AT 30
MPH.

HALF INCH HAIL, HEAVY RAIN AND WINDS IN EXCESS OF 40 MPH WILL BE
POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
HAMILTON...WOODSIDE...VICTOR...PINESDALE...CORVALLIS...CHARLOS
HEIGHTS AND GRANTSDALE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
LIGHTNING CAN STRIKE 15 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.

&&

LAT...LON 4603 11437 4616 11453 4653 11397 4633 11372
TIME...MOT...LOC 0215Z 230DEG 24KT 4616 11435

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MISSOULA MT
942 PM MDT MON JUN 29 2015

MTZ001-300445-
KOOTENAI/CABINET REGION MT-
942 PM MDT MON JUN 29 2015

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN SANDERS AND
NORTHWESTERN LINCOLN COUNTIES UNTIL 1045 PM MDT...

AT 939 PM MDT...DOPPLER RADAR WAS TRACKING A LINE OF STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM 29 MILES NORTHEAST OF
COPELAND TO SANDPOINT...AND MOVING EAST AT 40 MPH.

WINDS IN EXCESS OF 40 MPH AND FOR SOME AREAS 50 MPH WINDS WILL BE
POSSIBLE WITH THESE STORMS.

LOCATIONS IMPACTED INCLUDE...
LIBBY...EUREKA...TROY...REXFORD...KOOTENAI FALLS...YAKT AND YAAK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THESE STORMS.
LIGHTNING CAN STRIKE 15 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.

&&

LAT...LON 4900 11491 4826 11557 4824 11605 4890 11605
      4900 11595
TIME...MOT...LOC 0339Z 260DEG 34KT 4911 11581 4828 11654

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