Thunderstorm Wind, Blaine
- When
- July 12, 5:03 PM MST
- Where
- Blaine County, 11 mi S of Chinook
- Measured
- 56 kt (64 mph) measured gust
- Reported by
- TRAINED SPOTTER
- Coordinates
- 48.417, -109.233
Damaging Wind in Montana, July 12, 2004
A severe thunderstorm produced a wind gust of 65 mph at Chinook 11S.
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 TFX wrote it up.
A severe thunderstorm produced a wind gust of 65 mph at Chinook 11S.
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 Great Falls, MT wrote its last area forecast discussion before the first event at Jul 12, 1:50 PM MST, 3 hours 13 minutes earlier.
Area forecast discussion, Jul 12, 1:50 PM MST, 3 hours 13 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREAT FALLS MONTANA
250 PM MDT MON JUL 12 2004
.DISCUSSION...TONIGHT WILL BE UNDER MOSTLY CLEAR SKIES. PROBLEM WILL
BE HOW COOL WILL TEMPERATURES BE WITH LIGHT WINDS. GREAT FALLS HAS
TIED OR SET RECORD LOW TEMPERATURES THREE OUT OF THE PAST FOUR
NIGHTS. AM NOT GOING FOR NEAR LOW RECORDS BUT WILL HAVE TO HAVE
UPDATE SHIFT MONITOR DROPPING TEMPERATURES.
TUESDAY THROUGH WEDNESDAY WILL SEE UPPER LEVEL RIDGE OVER US WITH
UPPER LOW SITTING OFF PACIFIC COAST. SEVERAL WEAK SHORT WAVES MOVE
UP OVER MAINLY THE SOUTHWEST ZONES. HAVE SLIGHT CHANCE OF POPS FOR
THAT AREA. WARM AND DRY CONDITIONS ARE ON TAP. CAMP
THURSDAY THROUGH MONDAY...UPPER RIDGE AXIS SOLIDLY ANCHORED OVER
CENTRAL MONTANA BY 12Z THURSDAY. EXCEPT FOR ISOLATED MOUNTAIN
SHOWERS AND THUNDERSTORMS CONDITIONS WILL BE GENERALLY DRY THROUGH
SATURDAY...WITH ABOVE NORMAL TEMPERATURES TO FINALLY GIVE NORTH
CENTRAL AND SOUTHWEST MONTANA A TASTE OF SUMMER. RIDGE BEGINS TO
BREAK DOWN AND SHIFT TO THE EAST SATURDAY NIGHT AS AN UPPER LOW
FORCES ITS WAY INLAND. CHANCE OF THUNDERSTORMS INCREASES FOR SUNDAY
AFTERNOON THROUGH MONDAY MORNING WITH THE ASSOCIATED UPPER TROUGH.
TEMPERATURES WILL BE CLOSER TO SEASONAL NORMALS SUNDAY AND MONDAY.
THOMSON
&&
.PRELIMINARY POINT TEMPS/POPS...
GTF BB 046/089 056/094 057 07011
UUBBU 095/059 093/054 091/052 087/052 085 00000000030
CTB BB 044/085 053/087 054 07000
UUBBU 090/057 090/053 086/053 080/050 081 00000000230
HLN BB 055/092 057/095 058 07021
BUBBU 098/060 095/060 091/058 089/058 087 0011--22120
BZN BB 048/090 052/090 050 07-11
UUBBU 092/052 093/051 089/050 087/050 087 11000022120
WEY BB 038/082 048/086 042 07122
BUBBB 083/041 082/041 079/040 077/037 076 11-1-022110
DLN BU 048/091 052/090 052 07-21
BUBBB 090/053 091/052 087/053 084/050 083 1111--2212-
HVR BU 053/091 058/095 060 07000
UUBBU 098/061 094/059 090/058 089/056 086 00000000030
LWT BU 050/088 055/090 057 07000
UUBBU 091/058 090/057 087/055 085/053 083 00000000020
&&
.TFX WATCHES/WARNINGS/ADVISORIES...
NONE.
&&Hazardous weather outlook, Jul 12, 4:35 AM MST, 12 hours 28 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREAT FALLS MT 535 AM MDT MON JUL 12 2004 MTZ008>015-044>055-131105- BEAVERHEAD-NORTHERN ROCKY MOUNTAIN FRONT-EASTERN GLACIER-HILL-CASCADE- CHOUTEAU-CENTRAL AND SOUTHERN LEWIS AND CLARK-MADISON-TOOLE- LIBERTY-EASTERN PONDERA-BLAINE-SOUTHERN ROCKY MOUNTAIN FRONT- EASTERN TETON-JUDITH BASIN-FERGUS-JEFFERSON-BROADWATER-MEAGHER- GALLATIN- 535 AM MDT MON JUL 12 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL AND SOUTHWEST MONTANA .DAY ONE...TODAY THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. NO WATCHES, WARNINGS, OR ADVISORIES CURRENTLY IN EFFECT .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
The radar
The Great Falls radar (KTFX), 192 km away, was scanning. The volume nearest the first event began at 00:09 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
- Tornadoes and Hail in Nebraska, July 12, 2004
- Flash Flood and Flood in New Jersey, July 12 to 16, 2004
- Lightning Strike in Vermont, July 12, 2004
- Tornado and Flash Flood in Nebraska, July 12, 2004
- Tornadoes and Hail in Minnesota, July 12 to 13, 2004
- Hail and Damaging Winds in Tennessee, July 12 to 14, 2004
- Flash Flood in New Jersey, July 12 to 13, 2004
- Flash Flood in Maryland, July 12 to 13, 2004
- Flash Flood and Damaging Winds in Maryland, July 12, 2004
- Flash Flood in Vermont, July 12, 2004
- Flash Flood in Pennsylvania, July 12 to 13, 2004
- Flash Flooding and Flood in Pennsylvania, July 12, 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: 5413313.