Thunderstorm Wind, Bannock
- When
- May 27, 7:30 PM MST to 7:35 PM MST
- Where
- Bannock County, Chubbuck
- Measured
- 50 kt (58 mph) estimated gust
- Reported by
- TRAINED SPOTTER
- Coordinates
- 42.917, -112.450
Damaging Wind in Idaho, May 27, 2004
Downed trees and power lines at intersection of Hawthorne and Reservation roads.
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.
Downed trees and power lines at intersection of Hawthorne and Reservation roads.
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 May 27, 7:15 PM MST, 15 minutes earlier.
Area forecast discussion, May 27, 7:15 PM MST, 15 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE POCATELLO ID 815 PM MDT THU MAY 27 2004 .DISCUSSION...WATER VAPOR IMAGERY SHOWS STRONG DEFORMATION AREA OVER SOUTHERN IDAHO AS 80KT H3 JET ASSOCIATED WITH NEGATIVE TILT TROUGH ROTATES INTO OREGON. LINE OF THUNDERSTORMS BOWED OUT NICELY IN RADAR IMAGERY AS IT MOVED UP THE SNAKE RIVER VALLEY. THIS PROMPTED SEVERAL SEVERE THUNDERSTORM WARNINGS THIS EVENING. MUCH OF THE THUNDERSTOM ACTIVITY MOVED OVER EMPTY GROUND BUT MESONET SITE NEAR MINIDOKA REPORTED WIND GUST TO 55 MPH AT 715 PM MDT. POTENTIAL FOR SEVERE WEATHER ABOUT OVER AS THUNDER MOVES THROUGH POCATELLO AS WE SPEAK. AIRMASS REMAINS UNSTABLE AND WILL CONTINUE WITH ISOLATED THUNDERSTORMS THROUGH THE NIGHT. CURRENT GRIDS DEPICT THIS WELL SO NO UPDATES. && .PIH WATCHES/WARNING/ADVISORIES...NONE. && SURVICK
Hazardous weather outlook, May 27, 3:00 AM MST, 16 hours 30 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE POCATELLO ID 400 AM MDT THU MAY 27 2004 IDZ017>023-031-032-281200- 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- 400 AM MDT THU MAY 27 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN IDAHO .DAY ONE... NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. STORM PREDICTION CENTER ADVERTISING SLIGHT RISK FOR SEVERE THUNDERSTORMS ACROSS SOUTHWEST IDAHO THIS AFTERNOON/EVENING AND PLACEMENT APPEARS APPROPRIATE WITH BEST SHEAR/INSTABILITY OVER ERN OREGON/SW IDAHO. DAY/EVENING SHIFT WILL WANT TO MONITOR DEVELOPMENT AS MESO-ETA INDICATING SOME ELEVATED CAPE VALUES EXTENDING AS FAR EAST AS THE MAGIC VALLEY 00-03Z THIS EVENING. .DAYS TWO THROUGH SEVEN... NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. UPPER TROUGH GRADUALLY MOVES INLAND FRIDAY AS UPPER JET ALIGNS OVER SE IDAHO. JET SUPPORT AND PROXIMITY OF FRONT PLACES BEST PRECIPITATION POTENTIAL OVER SOUTHEAST PORTION OF FORECAST AREA WITH SEVERE POTENTIAL PROBABLY POSITIONED FURTHER SOUTH OVER NRN UTAH. .SPOTTER INFORMATION STATEMENT... WE ASK ALL TRAINED SPOTTERS TO REPORT SIGNIFICANT WEATHER CONDITIONS. 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), 28 km away, was scanning. The volume nearest the first event began at 02:28 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
- Flash Flooding and Flooding in Kentucky, May 27 to 28, 2004
- Tornadoes and Flash Flooding in Kentucky, May 27 to 28, 2004
- Tornadoes and Flash Flooding in Indiana, May 27, 2004
- Tornadoes and Hail in Texas, May 27, 2004
- Tornadoes and Flash Flooding in Ohio, May 27 to 28, 2004
- Tornado and Hail in Kentucky, May 27, 2004
- Flash Flooding and Flooding in West Virginia, May 27 to 28, 2004
- Tornado in Kentucky, May 27, 2004
- Tornadoes and Hail in Texas, May 27, 2004
- Tornadoes and Flash Flooding in Missouri, May 27, 2004
- Hail and Damaging Winds in Illinois, May 27, 2004
- Flash Flood and Hail in Texas, May 27, 2004
More
Every storm in Idaho in 2004Every state in 2004This day in weather historyWarnings in Idaho, May 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: 5398537.