Montana, 2014

Tornado and Damaging Wind in Montana, July 30 to 31, 2014

July 30 to 31, 2014 · NWS TFX · 3 events in 2 counties and zones

Very warm temperatures and light winds were seen as monsoonal moisture made its way north along the Rockies. Isolated to scattered showers and thunderstorms were seen.

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

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The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
3

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.

Very warm temperatures and light winds were seen as monsoonal moisture made its way north along the Rockies. Isolated to scattered showers and thunderstorms were seen.

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 30, 5:00 PM MST, 2 hours 5 minutes earlier.

Area forecast discussion, Jul 30, 5:00 PM MST, 2 hours 5 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREAT FALLS MT
600 PM MDT Wed Jul 30 2014

UPDATE TO AVIATION

.DISCUSSION...
Tonight through Wednesday...a rather simple summer like forecast
expected over the next week. Overall...very warm temperatures and
isolated/scattered thunderstorms are expected across the entire
region over the next week. An upper level ridge of high pressure
will be over the region...with weak upper level
disturbances/monsoonal moisture moving through the region. Thus
isolated/scattered thunderstorms are possible each day...with the
best chance for any thunderstorms occurring over the Rocky Mountain
Front and Southwest MT. Temperatures will remain on the very
warm/hot side through the period...with any cooling of afternoon
temperatures being very minimal. Brusda

&&

.AVIATION...
UPDATED 00Z.
VFR conditions will prevail through this TAF period. Isolated
showers and thunderstorms will continue to develop and move across
the area until sunset when thermal convection will cut off any
overnight precipitation potential. Ceilings and visibilities may
drop briefly near any shower or thunderstorm...that may also produce
gusty erratic winds. Suk

&&

.PRELIMINARY POINT TEMPS/POPS...
GTF  59  94  58  91 /  20  10  10  10
CTB  53  92  53  86 /  20  20  10  20
HLN  59  94  59  92 /  20  20  10  20
BZN  52  91  52  90 /  20  20  20  20
WEY  40  80  42  79 /  30  30  30  40
DLN  51  88  53  86 /  30  30  20  30
HVR  56  98  57  95 /   0  10  10  10
LWT  56  91  56  89 /   0  10  10  20

&&

.TFX WATCHES/WARNINGS/ADVISORIES...
NONE.

&&

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The radar

The Missoula radar (KMSX), 185 km away, was scanning. The volume nearest the first event began at 02:04 UTC.

Open the radar archive at this moment

Event by event

1 thunderstorm wind, 1 funnel cloud, 1 tornado. Local standard time, as filed.

Thunderstorm Wind, Glacier

When
July 30, 7:05 PM MST
Where
Glacier County, 13.85 mi WSW of St Mary
Measured
56 kt (64 mph) measured gust
Reported by
Park/Forest Service
Coordinates
48.690, -113.710

High wind gusts, measured at 56KT (64MPH), were reported at the Logan Pass Visitor's Center in Glacier National Park.

Funnel Cloud, Blaine

When
July 31, 2:05 PM MST to 2:08 PM MST
Where
Blaine County, 6.88 mi SW of Cherry Ridge
Reported by
Public
Coordinates
48.840, -109.070

A funnel cloud was reported.

Tornado, Blaine

When
July 31, 4:10 PM MST to 4:12 PM MST
Where
Blaine County, 3.44 mi NE of Coburg
Rating
EF0
Path length
0.1 mi
Path width
5 yd
Reported by
Public
Coordinates
48.480, -108.370

A very small and brief tornado was reported to have touched down 18 mi E of Fort Belknap.

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.
Funnel Cloud
A rotating column of cloud extending from a thunderstorm that did not reach the ground.
Tornado
A violently rotating column of air in contact with the ground and extending from a thunderstorm, filed with its path, width and Fujita or Enhanced Fujita rating from the damage survey.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Montana in 2014Every state in 2014This day in weather historyThe tornado archive for Montana, 2014Warnings in Montana, July 2014

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: 536066, 536064, 536065.