Montana, 2001

Hail in Montana, July 15, 2001

July 15, 2001 · NWS BYZ · 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 Billings, MT wrote its last area forecast discussion before the first event at Jul 15, 1:30 PM MST, 2 hours 25 minutes earlier.

Area forecast discussion, Jul 15, 1:30 PM MST, 2 hours 25 minutes before
SOUTH CENTRAL AND SOUTHEAST MONTANA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BILLINGS MT
230 PM MDT SUN JUL 15 2001

.MON AND TUE...
WAVE PUSHES NORTH THROUGH AREA TONIGHT FOR MAINLY EVENING
THUNDERSTORMS.

MONDAY...UPPER LOW MOVES ONTO PACIFIC NORTHWEST COAST. SURFACE LOW
DEVELOPS IN RESPONSE OVER SOUTHWEST MONTANA..WITH SOUTH TO SOUTHEAST
LOW LEVEL FLOW OVER EASTERN MONTANA. POSSIBILITY OF A WAVE IN SOUTHWEST
FLOW INTERACTING WITH THE SURFACE LOW FOR SCATTERED POPS. MOISTURE
NOT AS MOIST AS LAST FEW DAYS WITH SUBTROPICAL MOISTURE GETTING SHUNTED
TO THE EAST.

TUESDAY...MID LEVEL FLOW BECOMES MORE CONFLUENT AS UPPER LOW MOVES
CLOSER TO AREA. THICKNESS DON'T DROP TOO MUCH...BUT SHOULD BE SLIGHTLY
COOLER. SURFACE TROUGH EDGES TO THE EAST FOR CONTINUED CHANCE OF
THUNDERSTORMS...BUT NOT AS GOOD AS MAIN ENERGY CONTINUES TO SHIFT TO
THE EAST INTO THE PLAINS.

.WED...THU...FRI...SAT...SUN...
UPPER LOW SLOWLY LUMBERS ACROSS THE SOUTHERN CANADA THROUGH THURSDAY.
EXTENDED MODELS PRETTY CONSISTENT ON THIS WILL SOME SMALL DIFFERENCES IN
TIMING. OVERALL TREND OF SOUTHWEST FLOW CONTINUING DAYS 3-5 LOOKS GOOD.
THE UPPER TROUGH PUSHES EAST ON SATURDAY AS ANOTHER UPPER LOW FORMS OFF
THE PACIFIC NORTHWEST COAST. THE ECMWF IN WEAKER AND FARTHER EAST WITH
THIS LOW. THE MRF BUILDS A SMALL SCALE RIDGE OVER FORECAST AREA IN
RESPONSE TO UPPER LOW FORMING. THIS RIDGE TO HOLD IN PLACE OVER THE
WEEKEND. WILL KEEP CONVECTION IN THROUGH FRIDAY AND GO MAINLY DRY OVER
THE WEEKEND. HUMPHREY

    MON     TUE     WED     THU     FRI     SAT     SUN
-----------------------------------------------------------
BIL 060/087 059/084 060/083 060/085 060/085 060/088 062/092
    43/T    32/T    33/T    33/T    33/T    22/B    11/B
LVM 055/085 055/081 056/081 056/083 056/083 058/087 058/091
    34/T    42/T    33/T    33/T    33/T    22/B    11/B
HDN 058/089 057/087 059/085 059/087 059/087 059/089 060/093
    43/T    32/T    33/T    33/T    33/T    22/B    11/B
MLS 065/092 065/088 064/087 064/087 062/087 062/089 062/093
    33/T    32/T    33/T    33/T    33/T    22/B    11/B
4BQ 064/091 064/087 064/086 064/086 062/086 062/088 062/092
    33/T    32/T    33/T    33/T    33/T    22/B    11/B
BHK 063/090 063/086 062/085 062/085 060/085 060/087 060/091
    33/T    32/T    33/T    33/T    33/T    22/B    11/B
SHR 055/087 055/084 056/083 056/085 056/085 058/088 058/092
    43/T    32/T    33/T    33/T    33/T    22/B    11/B

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, Powder River

When
July 15, 3:55 PM MST
Where
Powder River County, 6 mi SW of Biddle
Measured
1 in hail
Reported by
TRAINED SPOTTER
Coordinates
45.033, -105.433

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

More

Every storm in Montana in 2001Every state in 2001This day in weather historyWarnings 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: 5259285.