For the 2nd day in a row high winds were widespread at the Idaho National Laboratory. Measured sustained winds of 50 mph occurred at times with gusts over 60 mph.
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.
For the 2nd day in a row high winds were widespread at the Idaho National Laboratory. Measured sustained winds of 50 mph occurred at times with gusts over 60 mph.
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 Jun 18, 8:00 AM MST, 1 hour earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE POCATELLO ID 900 AM MDT MON JUN 18 2012 .UPDATE...FAST DRY FLOW IN PLACE OVER EASTERN IDAHO TODAY WITH UPPER LOW DROPPING THROUGH THE PACNW TODAY. STRONG JET CORE ALOFT DIRECTLY OVERHEAD THIS AFTERNOON/EVENING WITH 700MB WINDS IN THE 45-55KT RANGE 18Z-03Z. SFC GRADIENT REMAINS FAVORABLE FOR WINDS ALIGNED THROUGH THE SNAKE PLAIN AND MIXING OF MID LEVEL WINDS SHOULD CONTINUE TO ENHANCE WIND FLOW TODAY. A FEW SFC OBSERVATIONS IN THE UPPER SNAKE PLAIN ALREADY CLOSE TO ADVISORY LEVEL SO HAVE NUDGED START TIME OF EVENT EARLIER AND PUSHED UPPER SNAKE PLAIN TO HIGH WIND CATEGORY FOR THIS AFTERNOON. ANY PRECIP ASSOCIATED WITH THE SYSTEM SHOULD REMAIN CONFINED TO HIGHER ELEVATION ZONES IN NORTHERN HALF OF FORECAST AREA WITH VERY LIGHT AMOUNTS AT BEST. NO OTHER UPDATES ANTICIPATED TODAY. DMH && .PREV DISCUSSION... /ISSUED 328 AM MDT MON JUN 18 2012/ SHORT TERM...TODAY THROUGH WEDNESDAY. A PACIFIC LOW PRESSURE SYSTEM AND ASSOCIATED COLD FRONT WILL MOVE EAST ACROSS WASHINGTON THIS MORNING AND OVER NORTHERN IDAHO BY LATER THIS AFTERNOON. THE WATER VAPOR IMAGERY SHOWS A STRONG JET THAT ACCOMPANIES THIS SYSTEM. LOOK FOR STRONG WINDS ACROSS THE AREA BY LATE THIS MORNING INTO EARLY EVENING. THUS..A WIND ADVISORY HAS BEEN ISSUED. LOOK FOR ISOLATED SHOWERS AND THUNDERSTORMS OVER THE CENTRAL MOUNTAINS AND UPPER SNAKE HIGHLANDS THIS AFTERNOON AND ISOLATED SHOWERS OVERNIGHT INTO TUESDAY. LOOK FOR MUCH COOLER THAN NORMAL TEMPERATURES TO MOVE ACROSS THE AREA WITH THIS COLD FRONT STARTING LATER TODAY AND LASTING THROUGH WEDNESDAY. WYATT LONG TERM...THURSDAY THROUGH MONDAY. THURSDAY HIGH PRESSURE RIDGING BUILDS IN BRINGING BACK ABOVE NORMAL TEMPERATURES AND DRIER CONDITIONS. FRIDAY ANOTHER UPPER LEVEL TROUGH SETS UP OVER THE PACIFIC NW. LOOK FOR SOUTHERLY WINDS AHEAD OF THIS TROUGH WITH A CHANCE OF AFTERNOON SHOWERS AND THUNDERSTORMS ACROSS HIGHER TERRAIN FRIDAY THROUGH THE WEEKEND. A TROUGH PASSES OVER THE RIDGING BRINGING A SLIGHTLY INCREASED CHANCE OF SHOWERS AND THUNDERSTORMS ON SUNDAY INTO MONDAY. LOOK FOR WELL ABOVE NORMAL TEMPERATURES THURSDAY AND FRIDAY DROPPING TO SLIGHTLY ABOVE NORMAL TEMPERATURES BY THE WEEKEND CARRYING OVER INTO MONDAY. WYATT AVIATION...A PAC LOW WAS DIGGING SHARPLY ESE INTO WRN WASHINGTON EARLY THIS MORNING AND WILL SHIFT EAST THROUGH THE PANHANDLE THIS AFTERNOON AND ACROSS MONTANA TONIGHT. AN ASSOCIATED DRY SURFACE COLD FRONT WILL SWEEP INTO SE IDAHO THIS AFTERNOON WITH STRONG WINDS CONTINUING INTO THE EVENING HOURS. SCT MID-LEVEL WAVE CLOUDS ARE EXPECTED TO DEVELOP AS THE WINDS PICK UP THIS AFTERNOON. HUSTON FIRE WEATHER...A LOW PRESSURE SYSTEM WILL PROGRESS EAST THROUGH WASHINGTON THIS MORNING AND ACROSS THE IDAHO PANHANDLE THIS AFTERNOON BEFORE SHIFTING INTO AND ACROSS MONTANA LATE TONIGHT AND TUESDAY. THE PASSING STORM SYSTEM WILL DRIVE A DRY SURFACE COLD FRONT INTO SE IDAHO THIS AFTERNOON RESULTING IN STRONG GUSTY WINDS THROUGHOUT THE REGION. THUS A RED FLAG WARNING WILL CONTINUE ACROSS ZONES 409 AND 412 TODAY WHERE FUELS ARE LISTED AS CRITICAL. LOWER ELEVATIONS OF SURROUNDING ZONES 410/413/477/476 WILL SUPPORT HIGH FIRE BEHAVIOR GIVEN THE CURRENTLY LISTED STATUS OF THEIR FUELS IN COMBINATION WITH THE WIND. ISOLATED SHOWERS AND THUNDERSTORMS WILL SKIRT ACROSS THE NRN MOST DISTRICTS ALONG THE MONTANA BORDER THIS AFTERNOON THROUGH TUESDAY. EXPECT COOLER TEMPERATURES BEHIND THE FRONT TUESDAY WITH MODEST AFTERNOON WINDS WITHIN THE SNAKE RIVER PLAIN. THE FLOW TURNS SOUTHWESTERLY AND WARMER BY THURSDAY IN RESPONSE TO THE NEXT APPROACHING PACIFIC LOW PRESSURE SYSTEM. RUN TO RUN INCONSISTENCY MAKES FOR A TOUGH CALL NEXT WEEKEND AS THE MODELS ARE NOW MAINTAINING A FAIRLY STRONG LOW OFF SHORE NEAR SEATTLE WITH A MOSTLY DRY SOUTH-SOUTHWEST FLOW ACROSS SE IDAHO AND A MONSOONAL LOOKING FETCH ACROSS ARIZONA/NEW MEXICO AND PORTIONS OF SOUTHEAST UTAH. HUSTON && .PIH WATCHES/WARNINGS/ADVISORIES... WIND ADVISORY UNTIL 9 PM MDT THIS EVENING IDZ017-019-021>023-032. HIGH WIND WARNING UNTIL 9 PM MDT THIS EVENING IDZ020. RED FLAG WARNING UNTIL 9 PM MDT THIS EVENING IDZ409-412. &&
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE POCATELLO ID 451 AM MDT MON JUN 18 2012 IDZ017-019>023-032-191100- EASTERN MAGIC VALLEY-UPPER SNAKE HIGHLANDS- UPPER SNAKE RIVER PLAIN-LOWER SNAKE RIVER PLAIN- SOUTH CENTRAL HIGHLANDS-CARIBOU HIGHLANDS-LOST RIVER/PAHSIMEROI- 451 AM MDT MON JUN 18 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN IDAHO. .DAY ONE...TODAY AND TONIGHT LOOK FOR STRONG SOUTHWEST WINDS OF 20 TO 40 MPH WITH GUSTS TO 50 MPH THIS AFTERNOON INTO EARLY EVENING. WINDS WILL DECREASE THIS EVENING BUT REMAIN BREEZY AT TIMES OVERNIGHT. A RED FLAG WARNING FOR LOWER ELEVATIONS OF THE MAGIC VALLEY AND SOUTHERN HIGHLANDS IS IN EFFECT THROUGH EARLY THIS EVENING. ISOLATED SHOWERS AND THUNDERSTORMS ARE ALSO POSSIBLE ALONG THE SOUTHERN MONTANA AND NORTHWEST WYOMING BORDERS THIS AFTERNOON INTO THE EVENING. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. LOOK FOR MUCH COOLER THAN NORMAL TEMPERATURES TUESDAY AND WEDNESDAY. .SPOTTER INFORMATION STATEMENT... WE ASK TRAINED SPOTTERS AND CITIZENS TO REPORT SIGNIFICANT WEATHER CONDITIONS WHEN IT IS SAFE TO DO SO. THESE CONDITIONS MAY INCLUDE HAIL...TORNADOES...STRONG WIND...DUST STORMS...SNOWFALL... EXTREME COLD TEMPERATURES...FREEZING RAIN OR HEAVY RAIN...DENSE FOG...AND FLOODING OR ICE JAMS. INFORMATION ABOUT THESE HAZARDOUS CONDITIONS SHOULD BE CALLED INTO YOUR NATIONAL WEATHER SERVICE OFFICE IN POCATELLO USING THE 1-800 SEVERE WEATHER HOTLINE...OR 208-233-0834. IDZ018-024-025-031-191100- SAWTOOTH MOUNTAINS-CACHE VALLEY/IDAHO PORTION- WASATCH MOUNTAINS/IDAHO PORTION-BIG AND LITTLE WOOD RIVER REGION- 451 AM MDT MON JUN 18 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN IDAHO. .DAY ONE...TODAY AND TONIGHT THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. WINDS WILL BE STRONGER ACROSS THE AREA TODAY. SUSTAINED WINDS OF 20-30 MPH ARE LIKELY WITH HIGHER GUSTS. ISOLATED SHOWERS AND THUNDERSTORMS ARE FORECAST ESPECIALLY FOR THE NORTHERN CENTRAL MOUNTAINS. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. LOOK FOR MUCH COOLER THAN NORMAL TEMPERATURES TUESDAY AND WEDNESDAY. .SPOTTER INFORMATION STATEMENT... WE ASK TRAINED SPOTTERS AND CITIZENS TO REPORT SIGNIFICANT WEATHER CONDITIONS WHEN IT IS SAFE TO DO SO. THESE CONDITIONS MAY INCLUDE HAIL...TORNADOES...STRONG WIND...DUST STORMS...SNOWFALL... EXTREME COLD TEMPERATURES...FREEZING RAIN OR HEAVY RAIN...DENSE FOG...AND FLOODING OR ICE JAMS. INFORMATION ABOUT THESE HAZARDOUS CONDITIONS SHOULD BE CALLED INTO YOUR NATIONAL WEATHER SERVICE OFFICE IN POCATELLO USING THE 1-800 SEVERE WEATHER HOTLINE...OR 208-233-0834.
1 high wind. Local standard time, as filed.
For the 2nd day in a row high winds were widespread at the Idaho National Laboratory. Measured sustained winds of 50 mph occurred at times with gusts over 60 mph.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Idaho in 2012Every state in 2012This day in weather historyWarnings in Idaho, June 2012
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: 394452.