Hail in Montana, July 1, 2001

Name: Hail in Montana, July 1, 2001
Start: 2001-07-01T07:30
End: 2001-07-01T14:10
Location: Montana

July 1, 2001 · NWS GGW · 10 events in 4 counties and zones

10 hail, as filed by the National Weather Service.

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

Open the live radar over this ground

The toll

Deaths: 0
Injuries: 0
Property damage: None recorded
Crop damage: $75,000
Events: 10

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 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 Glasgow, MT wrote its last area forecast discussion before the first event at Jul 1, 1:45 AM MST, 5 hours 45 minutes earlier.

Area forecast discussion, Jul 1, 1:45 AM MST, 5 hours 45 minutes before

NORTHEAST MONTANA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GLASGOW MT
245 AM MDT SUN JUL 1 2001

UPPER LEVEL RIDGE AXIS WILL REMAIN OVER MONTANA INTO MONDAY AND THEN
MOVE SLOWLY WEST ON TUE. FORECAST CONCERN WILL BE THE TIMING AND
AFFECT SHORTWAVES MOVING ACROSS THE RIDGE WILL HAVE ON GGW CWA.

CURRENT WATER VAPOR LOOP SHOWS A SHORTWAVE OVER CENT MT PRODUCING A
TSTM NEAR LWT AND A WAVE ENTERING WRN MT WITH TSTMS APPROACHING
GLACIER NATL PARK.  ETA IN THE SHORT TERM DID THE BEST JOB WITH
THESE WAVES. THE CENT MT SHOULD MOVE TO SE MT THIS MORNING AND BRING
SCT PRECIP TO SRN TIER OF COUNTIES IN GGW FORECAST AREA. THE WRN MT
WAVE IS PROGGED TO MOVE ACROSS NE MT BETWEEN 13Z AND 20Z TODAY
BRINGING A BAND OF RAIN WITH IT.

AFTER THIS WAVE PASSES...A SFC TROF MOVES INTO CENT MT DURING THE
AFTERNOON AND ACROSS ERN MT TONIGHT. MODELS...ESP THE ETA BRING
UNSTABLE AIR NORTHWARD AHEAD OF THIS FRONT ON SE WINDS THIS AFTN AND
TONIGHT. WHILE THE ETA FORECAST CAPE 800 J/KG TO 1500 J/KG AND LI AS
LOW AS -5...A STRONG CAP WILL LIMIT CONVECTION UNTIL THE TROF TOUCHES
OFF ELEVATED CONVECTION TONIGHT. WILL MENTION A CHANCE OF SHOWERS
AND THUNDERSTORMS WITH THIS SFC TROF TONIGHT.

TROF EXITS THE STATE MON MORNING WITH DRIER AND WARMER AIR EXPECTED.
WILL MENTION A CHANCE OF MORNING THUNDERSTORMS EAST AS THE ETA DOES
NOT MOVE SFC TROF ACROSS MT/NO DAK BORDER UNTIL 15Z.

AS FOR TEMPS...WILL LEAN TOWARDS WARMER FWC FOR TODAY AS ALL
LOCATIONS SHOULD SEE SOME SUN TODAY.  MAV AND FWC HAVE SIMILAR TEMPS
TONIGHT AND MONDAY AND THEY LOOK REASONABLE. FORRESTER

EXTENDED...RETROGRADING PATTERNS ENDS WITH LARGE 500 MB HIGH TAKING
UP RESIDENCE OVER MOST OF WESTERN STATES...TRANSITION TO TYPICAL
MID-SUMMER PATTERN. NEW PROGS HAVE RIDGE AXIS FURTHER E WITH WEAKER
CANADIAN HIGH WED. CMC NOT IN LINE WITH OTHER MODELS AND DISCOUNTED
PER PMD. AS CAN HIGH MOVES OUT OF AREA...GOOD WARM ADVECTION PATTERN
THU AHEAD OF FRONT TRAILING THROUGH CANADA. WILL RAISE TEMPS THU.
CURRENT EXTENDED HAS DRY THROUGH PERIOD. EXPECT THERE TO BE
ISOLATED TSTORMS ALONG FRONT ABOUT THU NIGHT...BUT WILL LEAVE FOR
NEXT SET OF PROGS TO ADD ANY MENTION. SIMONSEN

KGGW /079 055/084 055/082 046/076 050/088 055/084 057/087
      TBBUUUU  79430/8211111
KGDV /078 055/085 055/082 047/076 048/088 055/083 055/086
      TBBUUUV  79443/8211111

The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

10 hail. Local standard time, as filed.

Hail, Phillips

When: July 1, 7:30 AM MST
Where: Phillips County, 10 mi SW of Malta
Measured: 0.75 in hail
Reported by: TRAINED SPOTTER
Coordinates: 48.250, -108.017

Hail, Valley

When: July 1, 10:32 AM MST
Where: Valley County, Nashua
Measured: 0.88 in hail
Reported by: TRAINED SPOTTER
Coordinates: 48.133, -106.350

Hail, Valley

When: July 1, 11:30 AM MST to 11:40 AM MST
Where: Valley County, Nashua
Measured: 0.75 in hail
Reported by: TRAINED SPOTTER
Coordinates: 48.133, -106.350

Hail, McCone

When: July 1, 11:41 AM MST
Where: McCone County, Vida
Measured: 0.88 in hail
Reported by: TRAINED SPOTTER
Coordinates: 47.833, -105.500

Hail, McCone

When: July 1, 12:00 PM MST to 12:20 PM MST
Where: McCone County, 13 mi NW of Vida
Measured: 1.75 in hail
Crop damage: $75,000
Reported by: TRAINED SPOTTER
Coordinates: 47.967, -105.700

Several hundred acres of wheat were from 60 to 90 percent wiped out.

Hail, Valley

When: July 1, 12:10 PM MST
Where: Valley County, 2 mi S of Frazer
Measured: 0.75 in hail
Reported by: TRAINED SPOTTER
Coordinates: 48.017, -106.033

Hail, McCone

When: July 1, 12:36 PM MST
Where: McCone County, 11 mi NW of Vida
Measured: 0.75 in hail
Reported by: TRAINED SPOTTER
Coordinates: 47.950, -105.667

Hail, McCone

When: July 1, 1:05 PM MST
Where: McCone County, Vida
Measured: 0.88 in hail
Reported by: TRAINED SPOTTER
Coordinates: 47.833, -105.500

Hail, Dawson

When: July 1, 1:15 PM MST
Where: Dawson County, 18 mi NW of Richey
Measured: 0.75 in hail
Reported by: TRAINED SPOTTER
Coordinates: 47.833, -105.333

Hail, Dawson

When: July 1, 2:10 PM MST
Where: Dawson County, 9 mi NE of Bloomfield
Measured: 0.75 in hail
Reported by: TRAINED SPOTTER
Coordinates: 47.517, -104.800

What these are

Hail: Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.

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

The same day elsewhere

Every storm in Montana in 2001 Every state in 2001 This day in weather history Warnings in Montana, July 2001

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: 5262060, 5262061, 5262062, 5262063, 5262064, 5262066, 5262065, 5262067, 5262068, 5262069.