Multiple photographs of funnel cloud with a brief touch down 2 miles southeast of Mackay.
Every event with a place to put it. 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 episode as NWS PIH wrote it up.
Multiple photographs of funnel cloud with a brief touch down 2 miles southeast of Mackay.
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 20, 8:54 AM MST, 3 hours 51 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE POCATELLO ID ISSUED BY NATIONAL WEATHER SERVICE BOISE ID 954 AM MDT WED AUG 20 2014 .UPDATE...UPPER TROUGH AXIS OVER EASTERN IDAHO TODAY. STRONG MOISTURE FLOW AHEAD OF AXIS CONTRIBUTING TO WIDE RANGE OF PW VALUES FROM .65 TO 1.10 PER SAT SOUNDER IMAGERY. HIGHEST VALUES IN SOUTHEAST CORNER WITH LOWEST VALUES OVER CENTRAL MOUNTAINS. ANOTHER ROUND OF CONVECTION FAVORED TODAY MOST AREAS. HEAVIEST RAIN EXPECTED IN JUICIEST AIR MASS. BASED ON PRECIP AMOUNTS YESTERDAY ANOTHER THREAT OF LOCALLY HEAVY RAIN. WIDESPREAD FLOODING THREAT NOT ANTICIPATED. ONLY UPDATE TODAY IS TO CORRECT MINOR GRID ISSUE WITH MAX TEMPS IN SUN VALLEY AREA WHERE SOME SPURIOUS HIGH VALUES HAVE CREPT INTO THE GRIDS. WILL WORK TO CLEAR THIS ERROR IN REMAINING TEMP GRIDS THROUGH DAY 8 WITH AFTERNOON PACKAGE. FOR NOW...POP/RELATED GRIDS APPEAR REASONABLE AND WILL LEAVE FOR TODAY. DMH && .PREV DISCUSSION... /ISSUED 341 AM MDT WED AUG 20 2014/ SHORT TERM...TODAY THROUGH FRIDAY NIGHT. THE UPPER LEVEL TROUGH AXIS IS OVER IDAHO CURRENTLY. EXPECT SCATTERED TO NUMEROUS SHOWERS AND ISOLATED TO SCATTERED THUNDERSTORMS TODAY. LOCALIZED FLOODING EVENTS ARE POSSIBLE THIS AFTERNOON INTO EARLY EVENING. THIS TROUGH AXIS SHIFTS EAST TONIGHT LEAVING ISOLATED TO SCATTERED SHOWERS AND THUNDERSTORMS THURSDAY MAINLY ALONG THE EASTERN HIGHLANDS AND MORE SO OVER THE CARIBOU HIGHLANDS AND BEAR LAKE REGION. FRIDAY MODELS ARE CONSISTENT IN DROPPING AN UPPER LEVEL LOW OVER EASTERN WASHINGTON BRINGING WIDESPREAD PRECIPITATION ACROSS THE AREA. HAVE RAISED POPS AND QPF AS RESULT FOR FRIDAY. THE UPPER LEVEL LOW SHIFTS EAST OVER MONTANA BY SATURDAY. EXPECT SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS MAINLY OVER THE CENTRAL MOUNTAINS AND EASTERN HIGHLANDS ON SATURDAY. EXPECT NEAR NORMAL TEMPERATURES TODAY BECOMING 8 TO 12 DEGREES BELOW NORMAL BY SATURDAY. WYATT LONG TERM...SUNDAY THROUGH NEXT WEDNESDAY. EXPECT ISOLATED PRECIPITATION CHANCES ON SUNDAY IN NORTHERLY FLOW. MODELS ARE CONSISTENT IN BRINGING ANOTHER UPPER LEVEL LOW ACROSS THE AREA ON MONDAY BRINGING MODERATE PRECIPITATION CHANCES. MODELS START TRENDING DRIER IN NORTHWEST FLOW TUESDAY AND EVEN MORE SO ON WEDNESDAY. EXPECT WELL BELOW NORMAL TEMPERATURES EARLY IN THE PERIOD BECOMING NEAR NORMAL BY WEDNESDAY. WYATT AVIATION...HOWERS AND THUNDERSTORMS WILL DEVELOP IN VICINITY OF ALL TAF SITES AGAIN TODAY BEGINNING ABOUT 19Z. CEILINGS AND VISIBILITY MAINLY VFR EXCEPT IN STORM CELLS WITH HEAVY DOWN POURS. RS FIRE WEATHER...ANOTHER ROUND OF WIDELY SCATTERED TO SCATTERED SHOWERS TODAY. MOST ALL OF THE CARIBOU-TARGHEE WILL HAVE A CHANCE OF WETTING RAINS...ALONG WITH THE CURLEW GRASS LANDS...AND PERHAPS A BAND OF PRECIPITATION FROM NEAR MACKAY ANGLED TOWARDS MONIDA PASS. THURSDAY WILL BE A LIGHTER DAY...MUCH OF THE CHALLIS AND NORTHERN SAWTOOTH MAY SEE AN ISOLATED AFTERNOON THUNDERSTORM ON THE HIGHER PEAKS. STORM CELLS IN THE SOUTH CENTRAL AND EASTERN HIGHLANDS WILL BE MORE ACTIVE. FRIDAY...SCATTERED TO NUMEROUS SHOWERS WILL DEVELOP ACROSS ALL OF SOUTHEAST IDAHO AGAIN WITH THUNDERSTORMS ABLE TO PUT DOWN MORE WETTING RAINS. THE EXTENDED OUTLOOK KEEPS IDAHO UNDER A LOW PRESSURE TROUGH AT LEAST THROUGH SUNDAY OR MONDAY...AND EVEN BY TUESDAY THIS AREA IS STILL UNDER NORTHWESTERLY WINDS ALOFT. IF WE ARE GOING TO SEE ANY KIND OF A RIDGE BUILDING BACK IN IT WILL BE NEXT WEDNESDAY AT THE EARLIEST. THAT TAKES UP TO THE 27TH OF AUGUST...ANOTHER WEAK OR TWO AFTER THAT AND WE DRIFT INTO FALL TEMPERATURES. RS && .PIH WATCHES/WARNINGS/ADVISORIES... NONE. &&
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE POCATELLO ID
941 AM MDT WED AUG 20 2014
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0938 AM HEAVY RAIN 1 W REXBURG 43.83N 111.80W
08/20/2014 M0.48 INCH MADISON ID TRAINED SPOTTER
RAINFALL FROM THUNDERSTORM ACTIVITY YESTERDAY EVENING.
&&
GWICKLUNThe Pocatello radar (KSFX), 115 km away, was scanning. The volume nearest the first event began at 19:47 UTC.
1 tornado. Local standard time, as filed.
Multiple photographs of funnel cloud with a brief touch down 2 miles southeast of Mackay.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Idaho in 2014Every state in 2014This day in weather historyThe tornado archive for Idaho, 2014Warnings in Idaho, August 2014
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: 540594.