Thunderstorm Wind, Fremont
- When
- August 2, 5:46 PM MST to 6:05 PM MST
- Where
- Fremont County, Ashton
- Measured
- 65 kt (75 mph) estimated gust
- Reported by
- NEWSPAPER
- Coordinates
- 44.067, -111.450
Damaging Wind in Idaho, August 2, 2004
Thunderstorm downburst blew down trees and a power pole in Ashton. Power was out from 646 pm until 9 pm.
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
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 happened
The episode as NWS PIH wrote it up.
Thunderstorm downburst blew down trees and a power pole in Ashton. Power was out from 646 pm until 9 pm.
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 Pocatello, ID wrote its last area forecast discussion before the first event at Aug 2, 1:15 PM MST, 4 hours 31 minutes earlier.
Area forecast discussion, Aug 2, 1:15 PM MST, 4 hours 31 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE POCATELLO IDAHO 215 PM MDT MON AUG 2 2004 .DISCUSSION... LATEST RADAR LOOP SHOWING A BAND OF CONVECTION ACROSS THE CENTRAL MTNS. ANOTHER BAND OF CONVECTION IS APPROACHING THE ID BORDER FROM THE SOUTHWEST. NOTICED SPC ISSUED A SVR TSTM WATCH FOR THE WESTERN 1/4 OF THE STATE FOR STRONG WINDS AND WILL LIKELY BE ISSUING FOR JUST SOUTH OF THE BORDER IN UT.... SO.... THESE CELLS WILL BE WATCHED CLOSELY. SHOULD BEGIN TO SEE ACTIVITY PUSH INTO SE IDAHO BETWEEN 3-4 PM. DYNAMICS BECOME MORE FAVORABLE LATER TONIGHT AS 3H JET PLACES MUCH OF SE ID IN RR QUAD. ALSO DECENT DIVERGENCE ALOFT THROUGH 09Z SO COULD SEE CONVECTION CONTINUE AFTER MIDNIGHT. S/WV PUSHING ACROSS N CA ATTM WILL EJECT NE AND SLIDE INTO MT BY TUE AFTN. THIS WAVE WILL NUDGE MOISTURE EAST OF AREA AND USHER A DRIER AIRMASS INTO THE FCST/A. A FEW ISOL TSTMS ARE POSSIBLE ACROSS NE ZONES OTHERWISE MUCH OF AREA SHOULD BE DRY TUE AFTN. 4-CORNERS HIGH RE-BUILDS ACROSS AREA WHICH PUTS SE ID IN A DRY SW FLOW BY MID WEEK. A CLIPPER S/WV SLIDES BY TO OUR NW ON THU SO ISOL POPS WILL CONTINUE ACROSS THE CENTRAL MTNS FOR THIS FEATURE. MAINLY DRY SOUTHWEST FLOW TO CONTINUE INTO THE WEEKEND WITH SEASONABLE TEMPS. WINTHER && .PIH WATCHES/WARNING/ADVISORIES...NONE. &&
Hazardous weather outlook, Aug 2, 10:45 AM MST, 7 hours 1 minute before
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE POCATELLO ID 1145 AM MDT MON AUG 2 2004 IDZ017>023-031-032-031200- EASTERN MAGIC VALLEY-BIG AND LITTLE WOOD RIVER REGION- SAWTOOTH MOUNTAINS-LOST RIVER/PAHSIMEROI-UPPER SNAKE HIGHLANDS- UPPER SNAKE RIVER PLAIN-LOWER SNAKE RIVER PLAIN- SOUTH CENTRAL HIGHLANDS-CARIBOU HIGHLANDS- 1145 AM MDT MON AUG 2 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN IDAHO .DAY ONE... SCATTERED THUNDERSTORMS WILL DEVELOP ACROSS THE REGION LATE THIS AFTERNOON AND EVENING. THE MAIN THREAT FROM THESE STORMS WILL BE LOCALLY HEAVY RAIN AND GUSTY WINDS. .DAYS TWO THROUGH SEVEN... NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. SPOTTER INFORMATION STATEMENT... WE ASK ALL TRAINED SPOTTERS TO REPORT SIGNIFICANT WEATHER CONDITIONS. THIS WOULD INCLUDE ALL HAIL...WIND...AND HEAVY RAIN REPORTS. THIS INFORMATION SHOULD BE CALLED INTO THE LOCAL NATIONAL WEATHER SERVICE OFFICE IN POCATELLO USING THE 1-800 SEVERE WEATHER HOTLINE...OR OTHER STANDARD OPERATING PROCEDURES.
The radar
The Pocatello radar (KSFX), 146 km away, was scanning. The volume nearest the first event began at 00:44 UTC.
Event by event
1 thunderstorm wind. Local standard time, as filed.
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.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- High Wind in Washington, August 2, 2004
- Tornadoes and Hail in Minnesota, August 2, 2004
- Hail and Damaging Winds in South Dakota, August 2 to 3, 2004
- Flash Flooding and Hail in Michigan, August 2, 2004
- Hail and Damaging Winds in Michigan, August 2, 2004
- Damaging Wind and Heavy Rain in Florida, August 2, 2004
- Damaging Winds in Utah, August 2, 2004
- Hail and Damaging Wind in South Dakota, August 2, 2004
- Damaging Wind in Idaho, August 2, 2004
- Flash Flood in West Virginia, August 2, 2004
- Tornado in Tennessee, August 2, 2004
- Flash Flood in Washington, August 2, 2004
More
Every storm in Idaho in 2004Every state in 2004This day in weather historyWarnings in Idaho, August 2004
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: 5421423.