Idaho, 2001

Hail in Idaho, July 12, 2001

July 12, 2001 · NWS MSO · 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 Missoula, MT wrote its last area forecast discussion before the first event at Jul 12, 8:14 PM MST, 2 hours 41 minutes earlier.

Area forecast discussion, Jul 12, 8:14 PM MST, 2 hours 41 minutes before
WESTERN MONTANA AND NORTH CENTRAL IDAHO FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MISSOULA MT
914 PM MDT THU JUL 12 2001

.SHORT TERM...SMALL CHANGES TO ZONES BUT OTHERWISE FORECAST ON-
TRACK. UNSTABLE SOUTHWEST FLOW ALOFT WITH SHORTWAVE OVER SOUTHWEST
MT AND ANOTHER ACROSS OR THIS EVENING. OVERALL DECREASE IN
THUNDERSTORM ACTIVITY CLOSER TO SUNSET BUT STILL HAVE ISOLATED
CELLS IN MANY AREAS. MORE CONVECTION MOVING UP FROM LEMHI COUNTY AND
NEAR THE OR/ID BORDER AT 03Z. NORTHWEST MT YET TO SEE MUCH
ALTHOUGH A FEW SHOWERS BETWEEN LIBBY AND NOXON. A 60KT SPEED MAX
OVER EASTERN OR MAY HELP SUPPORT NOCTURNAL CONVECTION ACROSS EASTERN
WA/ID PANHANDLE AND INTO NORTHWEST MT TOWARD SUNRISE. LATEST
ETA SHOWS THIS POTENTIAL. ANOTHER SHORTWAVE MOVES INTO CENTRAL ID BY
MIDDAY WITH ANOTHER ROUND OF STRONG THUNDERSTORMS POSSIBLE OVER THE
CWA. GOOD WIND SHEAR AND SIMILAR WET-BULB ZERO HEIGHTS AGAIN. HEAVY
RAIN AND PLENTY OF HAIL WERE MAIN CONVECTIVE THREAT TODAY. WILL
MONITOR SOUTHERN RAVALLI COUNTY FOR FLASH FLOOD THREAT UNTIL
THUNDERSTORMS END IN THIS AREA IN A COUPLE OF HOURS.  BOLDT

.MSO...FLASH FLOOD WATCH MTC081 THIS EVENING.

In the hours before

Local storm report, Jul 12, 7:01 PM MST, 3 hours 54 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
801 PM MDT THU JUL 12 2001

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

0242 PM    GARRISON                  MT   0.88 INCH HAIL
07/12/01   POWELL

0250 PM    GARRISON                  MT   1.00 INCH HAIL
07/12/01   POWELL

0327 PM    GARRISON                  MT   2 INCHES OF RAIN IN ONE
07/12/01   POWELL                         HOUR.

0617 PM    DEER LODGE                MT   0.75 INCH HAIL
07/12/01   POWELL

The radar

The Pendleton radar (KPDT), 200 km away, was scanning. The volume nearest the first event began at 05:56 UTC.

Open the radar archive at this moment

Event by event

1 hail. Local standard time, as filed.

Hail, Idaho

When
July 12, 10:55 PM MST
Where
Idaho County, Riggins
Measured
0.75 in hail
Reported by
TRAINED SPOTTER
Coordinates
45.417, -116.317

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 Idaho in 2001Every state in 2001This day in weather historyWarnings in Idaho, 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: 5257193.