1 funnel cloud, 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 Boise, ID wrote its last area forecast discussion before the first event at Jul 10, 2:00 PM MST, 3 hours 10 minutes earlier.
SOUTHWEST IDAHO/SOUTHEAST OREGON AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BOISE IDAHO 300 PM MDT TUE JUL 10 2001 MOIST/UNSTABLE SOUTHERLY FLOW CONTINUES OVER REGION TONIGHT THROUGH MIDWEEK PRODUCING DIURNAL CONVECTION AND SEASONABLE TO SLIGHTLY ABOVE NORMAL TEMPS. 2 SEPARATE MOISTURE BANDS AFFECTING THE REGION. EASTERN MOISTURE BAND ROTATING AROUND WEST SIDE OF STATIONARY UPPER HIGH CENTER NM AREA AFFECTING MAINLY EASTERN ID, THOUGH BRUSHING AFFECT TO EASTERN ZONES, ESPECIALLY BOI MOUNTAIN ZONE. WESTERN MOISTURE BAND ASSOCIATED WITH SOUTHWESTERLY FLOW FROM WEAK UPPER TROUGH OFFSHORE NORTHERN CA THROUGH ORE. SEVERAL NORTHEAST-MOVING S/WVS EMBEDDED IN THIS FLOW IN SHORT-TERM. 1ST ALONG ORE/CA/NV BORDER THIS AFTERNOON LIFTING NORTH THROUGH ORE WITH BEST DYNAMICS AND DEEPEST MOISTURE JUST WEST OF CWFA. HOWEVER, DEVELOPING/SLOW MOVING THUNDERSTORMS SOUTHERN HARNEY/MALHEUR COUNTIES AND WESTERN BKE COUNTY ARE OF CONCERN THIS EVENING. SPOTTER CALLS AND FEW SURFACE OBS SHOWING SPOTTY BUT WET SHOWERS AND SMALL HAIL. S/WV AND ASSOCIATED CONVECTION CONTINUES MOVING NORTH TONIGHT DECREASING SOUTHERN AREAS AROUND MIDNIGHT AND LATER BKE COUNTY. SOUTHWEST ID ZONES IN BETWEEN 2 SEPARATE MOISTURE BANDS FOR ISOLATE EVENING CONVECTION AT BEST, ESPECIALLY OVER MOUNTAINS. WED LITTLE CHANGE EASTERN ZONES WHILE 2ND S/WV IN SOUTHWESTERLY FLOW AROUND 35N/130W AT 20Z LIFTS NORTHEAST THROUGH NORTHERN CA BY AFTERNOON. MODELS SHOW INSTABILITY AGAIN CENTRAL/EASTERN ORE IN AFTERNOON AND LIFTING NORTHEAST INTO WEST CENTRAL ID MOUNTAINS WED NIGHT. SIMILAR PATTERN CONTINUES THU WITH LITTLE CHANGE IN TEMPS. FRI/SAT LITTLE CHANGE TO PATTERN OF WEAK S/WVS LIFTING NORTHEAST ACROSS WESTERN/NORTHERN ZONES WITH LIMITED MOISTURE FROM OFFSHORE TROUGH. ISOLATED/SCATTERED DIURNAL CONVECTION TO CONTINUE WITH TEMPS NEAR SEASONAL LEVELS. EXTENDED MODELS QUITE DIFFERENT THAN PREVIOUS MODELS BEGINNING SUN INTO EARLY NEXT WEEK. NEW MODELS USE MUCH STRONGER TROUGH CROSSING ALEITIAN CHAIN SAT TO DEVELOP DEEP CLOSED LOW CENTER NEAR NORTHWEST COAST BY MON. WITH A STRONG/STATIONARY HIGH PRESSURE CENTER OVER CENTRAL U.S. AND FLOW PATTERN AMPLIFICATION FORECAST FOR 160-170W PROGRESSIVE TROUGH WILL NEED TO DIG SOME ALONG NORTHWEST COAST. BUT MRF INTENSITY MIGHT BE A LITTLE TOO DEEP AND 12Z AVN A LITTLE WEAKER WITH THIS SYSTEM AS IS ECMWF. WILL COOL TEMPS SOME BEGINNING SUN IN RESPONSE TO DEEPENING TROUGH BUT NOT TO THE DEGREE OF MRF/AVN LEVELS. PARKER .BOI...NONE.
The Boise radar (KCBX), 64 km away, was scanning. The volume nearest the first event began at 00:11 UTC.
1 funnel cloud. Local standard time, as filed.
A funnel cloud was observed by a trained spotter along a thunderstorm gust front near Mountain Home Air Force Base.
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: 5262045.