Hail in Montana, August 7, 2003

Name: Hail in Montana, August 7, 2003
Start: 2003-08-07T17:50
End: 2003-08-07T17:50
Location: Montana

August 7, 2003 · NWS GGW · 1 event in 1 county or zone

1 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: 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 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 Aug 7, 1:30 PM MST, 4 hours 20 minutes earlier.

Area forecast discussion, Aug 7, 1:30 PM MST, 4 hours 20 minutes before

NORTHEAST MONTANA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GLASGOW MT
230 PM MDT THU AUG 7 2003

.SHORT TERM...THURSDAY NIGHT THROUGH SATURDAY.
UPPER LEVEL TROUGH TO THE WEST AND UPPER LEVEL HIGH TO SOUTH WILL
CONTINUE TO BRING NORTHEAST MONTANA SOUTHWEST FLOW ALOFT WITH SHORT
WAVES MOVING THROUGH THE AREA FOR THE NEXT COUPLE OF DAYS.
ATMOSPHERE IS STILL UNSTABLE SO THUNDERSTORMS ARE POSSIBLE TONIGHT.
UPPER LEVEL PATTERN REMAINS FOR TOMORROW EVENING...ALSO.

PATTERN SIMILAR FOR FRIDAY AND FRIDAY NIGHT.  ON SATURDAY...THE
UPPER LEVEL HIGH RETROGRADES WEST.  WITH THE UPPER LEVEL HIGH
FURTHER WEST NORTHEAST MONTANA WILL HAVE MORE OF A ZONAL FLOW.
YET...STORMS ARE STILL POSSIBLE SATURDAY AFTERNOON AS UPPER LEVEL
DISTURBANCE BEGINS TO MOVE INTO NORTHEAST MONTANA.  THE MODELS ARE
IN GENERAL AGREEMENT.  TEMPERATURES NEXT COUPLE OF DAYS WILL BE
ABOVE NORMAL AND HOT IN MOST AREAS.  TLSJR

.LONG TERM...SATURDAY NIGHT THROUGH THURSDAY
TROUGH REMAINS NEARLY STATIONARY ACROSS THE GREAT LAKES AND IS
FORECAST TO DRIFT VERY SLOWLY EASTWARD DURING THE COURSE OF NEXT
WEEK. THUS, LONGWAVE TROUGH OFFSHORE THE PACIFIC NORTHWEST COAST
WILL REMAIN PRETTY MUCH IN PLACE THROUGH NEXT WEEK. SHORTWAVES WILL
EJECT EAST AND NORTHEAST ACROSS THE PACIFIC NORTHWEST AND NORTHERN
ROCKY MOUNTAINS THROUGH THIS WEEKEND INTO NEXT WEEK WITH TIMING OF
EACH SHORTWAVE QUITE DIFFICULT. STRONG DAYTIME HEATING AND ABUNDANT
LOW LEVEL MOISTURE WILL PROVIDE INSTABILITY FOR THUNDERSTORM
DEVELOPMENT ALONG AND AHEAD OF THESE SHORTWAVES AS THEY MOVE
NORTHEAST ACROSS THE CWFA. ONE SUCH SHORTWAVE IS INDICATED TO MOVE
ACROSS THE REGION SATURDAY NIGHT INTO SUNDAY SO POPS HAVE BEEN
CONTINUED FROM SATURDAY AFTERNOON INTO THE SATURDAY NIGHT AND SUNDAY
TIME PERIOD. WITH THE ABOVE MENTIONED LONGWAVE TROUGH REMAINING TO
THE WEST OF THE CWFA, VERY LITTLE CHANGE SEEN FROM EARLIER FORECAST
IN THE WAY OF TEMPS, DEW POINTS, AND WIND. LYNN

KGGW EBB 065/095 063/093 063/093 88222022
     BBBB 062/095 062/091 062/088 059/088 7730000000
KGDV EBB 066/098 065/095 065/095 88222000
     BBBB 064/096 063/091 063/090 062/089 7730000000

.KGGW...NONE.

Hazardous weather outlook, Aug 7, 3:15 PM MST, 2 hours 35 minutes before

MTZ016>027-059>062-081145-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GLASGOW MT
415 PM MDT THU AUG 7 2003

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST MONTANA

.DAY ONE...
A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 10 PM MDT FOR MUCH OF
NORTHEAST MONTANA. THE GREATEST THREAT FROM THE STORMS WILL BE
STRONG GUSTY WINDS AND LARGE HAIL. PLEASE REFER TO WWUS65 KGGW OR
GTFWCNGGW FOR FURTHER DETAILS.

.DAYS TWO THROUGH SEVEN...
MOIST SOUTHWEST FLOW ALOFT WILL CONTINUE TO BRING THE SLIGHT RISK
FOR SEVERE THUNDERSTORMS TO NORTHEAST MONTANA FRIDAY AND FRIDAY
NIGHT. STRONG GUSTY WINDS AND LARGE HAIL WILL REMAIN THE BIGGEST
THREAT FROM ANY SEVERE STORMS THAT DEVELOP IN THE AREA.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

In the hours before

Local storm report, Aug 7, 11:57 AM MST, 5 hours 53 minutes before

PRELIMINARY LOCAL STORM REPORT : CORRECTION
NATIONAL WEATHER SERVICE GLASGOW MT
1257 PM MDT THU AUG 07 2003

TIME(MDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1000 AM    HELL CREEK RECREATION ARE MT   60 MPH WIND GUST
08/07/03   GARFIELD

1000 AM    20 N GLENDIVE             MT   0.75 IN HAIL
08/07/03   DAWSON

1039 PM    BLOOMFIELD                MT   60 MPH TSTORM WIND
08/06/03   DAWSON                         FEW SHINGLES OFF ROOF

1030 PM    40 NE JORDAN              MT   60 MPH TSTORM WIND
08/06/03   GARFIELD

0115 PM    20 NE COHAGEN             MT   60 MPH TSTORM WIND
08/06/03   GARFIELD

1039 PM    20 NE COHAGEN             MT   60 MPH TSTORM WIND
08/06/03   GARFIELD

SIMONSEN

Local storm report, Aug 7, 5:49 PM MST, 1 minute before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GLASGOW MT
0649 PM MDT THU AUG 07 2003

TIME(MDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0635 PM    7 N WINNETT               MT   0.75 IN HAIL
08/07/03   PETROLEUM

The radar

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

Open the radar archive at this moment

Event by event

1 hail. Local standard time, as filed.

Hail, Petroleum

When: August 7, 5:50 PM MST
Where: Petroleum County, 7 mi N of Winnett
Measured: 0.75 in hail
Reported by: GENERAL PUBLIC
Coordinates: 47.100, -108.350

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 2003 Every state in 2003 This day in weather history Warnings in Montana, August 2003

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: 5374796.