1 flash flood, as filed by the National Weather Service.
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
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.
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 Jul 11, 8:25 AM MST, 4 hours 35 minutes earlier.
SOUTHEAST IDAHO AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE POCATELLO/IDAHO FALLS ID 925 AM MDT WED JUL 11 2001 MOIST UNSTABLE AIRMASS STILL PREVALENT OVER SE IDAHO THIS MORNING WITH SFC DEWPOINTS IN THE LOW TO MID 50S ACROSS ENTIRE REGION. SCT CONVECTION YESTERDAY NOT AS WIDESPREAD AS PREVIOUS DAYS BUT STILL SOME AREAS SAW HEAVY DOWNPOURS PAST MIDNIGHT. LIFTED INDEXES AND CAPES SIMILAR TODAY AND H7-H5 LAPSE RATES GREATER THAN 7 DEG C AS OPPOSED TO LESS THAN 6C YESTERDAY WITH SOME COOLING TAKING PLACE AT H5. WATER VAPOR LOOPS INDICATING SHORT WAVE MOVING INTO CENTRAL NEVADA WITH MOISTURE PLUME WHICH WILL SPREAD INTO WESTERN ZONES THIS AFTERNOON. ALL AREAS SUBJECT TO DIURNAL CONVECTION WITH BEST AREAS PROBABLY IN WESTERN ZONES WITH SHORT WAVE ADVANCING AS INDICATED WITH H3 VORT LOBE MOVING THROUGH CWA 18Z-06Z TIME FRAME. PLENTY OF SUNSHINE FOR GOOD HEATING...BETTER THAN YESTERDAY AS WELL. CHANCE WORDING COVERS ALL ZONES FOR AFTERNOON CONVECTION AND SEE NO REASON TO CHANGE THIS WITH MORNING UPDATES. HEAVY RAIN WORDED IN MOUNTAIN ZONES AS WELL. NO CHANGES TO FCST. GK BYI 85/60/89 333 .KSFX WSR-88D...OPERATIONAL...VCP 21. PIH BeB 085/057 088/056 090 05442 .PIH...NONE.
The Pocatello radar (KSFX), 118 km away, was scanning. The volume nearest the first event began at 20:01 UTC.
1 flash flood. Local standard time, as filed.
Heavy rains from thunderstorms brought flash flooding to rural roads in the City of Rocks area
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Idaho in 2001Every state in 2001This day in weather historyWarnings in Idaho, July 2001
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: 5257825.