Thunderstorm Wind, Deer Lodge
- When
- July 1, 6:15 PM MST to 6:20 PM MST
- Where
- Deer Lodge County, Anaconda
- Measured
- 60 kt (69 mph) estimated gust
- Reported by
- NEWSPAPER
- Coordinates
- 46.133, -112.950
Damaging Wind in Montana, July 1, 2004
Severe summer storm toppled trees and caused power outages in Anaconda.
Where it happened
Every event with a place to put it. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 1
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
What happened
The episode as NWS MSO wrote it up.
Severe summer storm toppled trees and caused power outages in Anaconda.
What forecasters said that day
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Missoula, MT wrote its last area forecast discussion before the first event at Jul 1, 1:30 PM MST, 4 hours 45 minutes earlier.
Area forecast discussion, Jul 1, 1:30 PM MST, 4 hours 45 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MISSOULA MT 230 PM MDT THU JUL 1 2004 .SHORT TERM...MODELS NOT HANDLING DETAILS VERY WELL. THE MAIN WEATHER FEATURES ARE A DISTURBANCE OVER NORTHWEST MONTANA AND WEAK UPPER LOW PRESSURE AREA MOVING INTO SOUTHWEST MONTANA. THE UPPER LOW IS DRIFTING SLOWLY NORTHEASTWARD AND CREATING FAVORABLE CONDITIONS TO ENHANCE THE CONVECTION OVER SOUTHWEST MONTANA THIS AFTERNOON AND EVENING. THE ATMOSPHERE REMAINS VERY MOIST...SO HEAVY RAIN WITH STORMS AND GUSTY WINDS CONTINUE TO BE THE MAIN WEATHER CONCERN. THE MAIN THUNDERSTORM THREAT SHOULD BE FROM THE SOUTHERN CLEARWATERS AND LEMHI COUNTY EASTWARD ACROSS THE SOUTHERN BITTERROOTS...THE SAPPHIRES AND THE PINTLAR MOUNTAINS. THE DISTURBANCE OVER NORTHWEST MONTANA WILL CONTINUE TO SUPPORT SHOWERS INTO THIS EVENING. A DRIER WESTERLY FLOW WILL DEVELOP FRIDAY AND SATURDAY. THIS SHOULD CUT BACK ON THE MOISTURE AND INSTABILITY. .LONG TERM...SATURDAY NIGHT THROUGH THURSDAY...MODELS AGREE WITH A MORE WESTERLY FLOW OVER THE REGION THROUGH THE EXTENDED PERIOD. THE MAIN DIFFERENCES ARE WITH THE STRENGTH AND LOCATION OF AN UPPER LEVEL LOW ON WEDNESDAY. THE GFS IS MOVING THE LOW FURTHER SOUTH AND FASTER THEN THE OTHER MODELS...WILL STICK CLOSER TO THE ECMWF SOLUTION WHICH KEEPS THE MAIN INFLUENCE OF THIS LOW NORTH OF THE CANADIAN BORDER. TEMPERATURES LOOK TO BE A FEW DEGREES BELOW NORMAL THROUGH THE PERIOD. && .MSO WATCHES/WARNINGS/ADVISORIES... MT...NONE. ID...NONE. && SHORT TERM/BAUCK LONG TERM/KOLATA
Hazardous weather outlook, Jul 1, 9:17 AM MST, 8 hours 58 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MISSOULA MT 1017 AM MDT (917 AM PDT) THU JUL 1 2004 IDZ006-008>010-020615- SOUTHERN CLEARWATER MOUNTAINS-LOWER HELLS CANYON/SALMON RIVER- WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY- 1017 AM MDT (917 AM PDT) THU JUL 1 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL IDAHO AND WESTERN MONTANA .DAY ONE... TODAY SCATTERED THUNDERSTORMS MAY PRODUCE LOCALLY HEAVY RAIN AND STRONG GUSTY WINDS THIS AFTERNOON AND EARLY EVENING. THERE IS THE POSSIBILITY OF ISOLATED AREAS OF FLASH FLOODING WITH MUD AND DEBRIS SLIDES...IF THESE STORMS DEVELOP IN AREAS OF STEEP TERRAIN AND DEEP CANYONS. BE AWARE OF THE POTENTIAL OF FLOODING DANGER. .DAYS TWO THROUGH SEVEN... FRIDAY THROUGH WEDNESDAY 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. IDZ005-007-MTZ006-007-020615- NORTHERN CLEARWATER MOUNTAINS-OROFINO/GRANGEVILLE REGION- BITTERROOT/SAPPHIRE MOUNTAINS-BUTTE/PINTLAR REGION- 1017 AM MDT (917 AM PDT) THU JUL 1 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL IDAHO AND WESTERN MONTANA .DAY ONE... TODAY SCATTERED THUNDERSTORMS WILL DEVELOP THIS AFTERNOON AND MAY PRODUCE LOCALLY HEAVY RAIN AND STRONG GUSTY WINDS. IF STORMS DEVELOP OVER A PREVIOUS YEAR BURN AREA OR WITHIN A CITY...SIGNIFICANT RUNOFF OR FLOODING IS A POSSIBILITY. .DAYS TWO THROUGH SEVEN... FRIDAY THROUGH WEDNESDAY 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. MTZ005-020615- MISSOULA/BITTERROOT VALLEYS- 1017 AM MDT THU JUL 1 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL IDAHO AND WESTERN MONTANA .DAY ONE... TODAY SCATTERED THUNDERSTORMS WILL DEVELOP THIS AFTERNOON WITH THE MAIN FOCUS OVER HIGHER TERRAIN. HOWEVER...THESE STORMS MAY DRIFT OVER THE VALLEY AREAS WITH LOCALLY HEAVY RAIN AND SOME PONDING OR SIGNIFICANT RUNOFF POSSIBLE. THE SOUTHERN BITTERROOT VALLEY LOOKS TO HAVE THE GREATEST POTENTIAL FOR STORMS THIS AFTERNOON. STORMS MAY ALSO PRODUCE STRONG GUSTY WINDS. .DAYS TWO THROUGH SEVEN... FRIDAY THROUGH WEDNESDAY 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 radar
The Missoula radar (KMSX), 128 km away, was scanning. The volume nearest the first event began at 01:16 UTC.
Event by event
1 thunderstorm wind. Local standard time, as filed.
What these are
- Thunderstorm Wind
- Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Damaging Wind and Lightning Strike in Virginia, July 1, 2004
- Hail and Damaging Winds in Texas, July 1, 2004
- Flooding in Wisconsin, July 1 to 9, 2004
- Hail and Damaging Winds in Maryland, July 1, 2004
- Flash Flood in South Dakota, July 1, 2004
- Lightning Strike in New Jersey, July 1, 2004
- Flooding and Hail in Oklahoma, July 1 to 5, 2004
- Drought in Colorado, July 1 to 31, 2004
- Lightning Strike in Vermont, July 1, 2004
- Flash Flood in Louisiana, July 1, 2004
- Lightning Strike in New York, July 1, 2004
- Hail in New York, July 1, 2004
More
Every storm in Montana in 2004Every state in 2004This day in weather historyWarnings in Montana, July 2004
Sources
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5413374.