378
WWUS85 KTFX 042336
SPSTFX
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREAT FALLS MT
536 PM MDT FRI JUL 4 2025
MTZ315-319-322>324-050100-
HELENA VALLEY MT-ELKHORN AND BOULDER MOUNTAINS MT-
MISSOURI HEADWATERS MT-UPPER BLACKFOOT AND MACDONALD PASS MT-
CANYON FERRY AREA MT-
536 PM MDT FRI JUL 4 2025
...ADDITIONAL THUNDERSTORM DEVELOPMENT WILL IMPACT SOUTHEASTERN
LEWIS AND CLARK...BROADWATER...NORTHEASTERN MADISON AND JEFFERSON
COUNTIES THROUGH 700 PM MDT...
AT 530 PM MDT, DOPPLER RADAR WAS TRACKING SEVERAL THUNDERSTORMS
DEVELOPING FROM NEAR PHILIPSBURG EAST TO AROUND HARRISON WITH A
STRONGER CELL LOCATED NEAR WHITEHALL. THESE STORMS WERE MOVING
NORTHEAST AT 35 MPH AND WILL IMPACT MUCH OF JEFFERSON COUNTY AND
ADJACENT AREAS WITH OCCASIONAL LIGHTNING, BRIEF HEAVY RAINFALL AND
GUSTY WINDS WITH STORMS POTENTIALLY REACHING THE HELENA VALLEY AND
MACDONALD PASS BY AROUND 700 PM.
HAZARD...WIND GUSTS UP TO 40 MPH AND PEA SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...GUSTY WINDS COULD KNOCK DOWN TREE LIMBS AND BLOW AROUND
UNSECURED OBJECTS. MINOR HAIL DAMAGE TO VEGETATION IS
POSSIBLE.
LOCATIONS IMPACTED INCLUDE...
HELENA, TOWNSEND, BOULDER, EAST HELENA, THREE FORKS, WHITEHALL,
MONTANA CITY, BASIN, TOSTON, HARRISON, RIMINI, ALHAMBRA, SPRING
MEADOW LAKE STATE PARK, CORBIN, AUSTIN, MISSOURI HEADWATERS STATE
PARK, CARDWELL, WINSTON, RADERSBURG, AND SILOS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF OUTDOORS, CONSIDER SEEKING SHELTER INSIDE A BUILDING.
THESE STORMS MAY INTENSIFY, SO BE CERTAIN TO MONITOR LOCAL RADIO
STATIONS AND AVAILABLE TELEVISION STATIONS FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.
LAT...LON 4633 11254 4641 11232 4666 11233 4666 11242
4667 11241 4665 11206 4676 11207 4671 11191
4674 11184 4656 11146 4632 11125 4594 11149
4564 11136 4566 11163 4558 11178 4574 11189
4575 11219 4586 11243 4608 11246 4624 11260
TIME...MOT...LOC 2330Z 210DEG 36KT 4587 11235
MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH
BH
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