Video and photographs received of tornado over open land between Mud Lake and Sage Junction on July 11th.
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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.
Video and photographs received of tornado over open land between Mud Lake and Sage Junction on July 11th.
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, 7:47 AM MST, 4 hours 53 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE POCATELLO ID 847 AM MDT SAT JUL 11 2015 .UPDATE... UPDATED THUNDERSTORMS CHANCES FOR THIS AFTERNOON AND EVENING MAINLY ACROSS THE CENTRAL MOUNTAINS AND MAGIC VALLEY. 12Z NAM AND HRRR SHOWS BETTER COVERAGE THIS AFTERNOON...SUPPORTING AROUND A 40 PERCENT COVERAGE IN THE MAGIC VALLEY AND AROUND 60 PERCENT IN THE CENTRAL MOUNTAINS. SATELLITE AND RADAR TRENDS THIS MORNING SHOWS ACCUS IN THESE AREAS HELPING TO CONFIRM THIS LINE OF THOUGHT. VALLE && .PREV DISCUSSION... /ISSUED 236 AM MDT SAT JUL 11 2015/ SHORT TERM...MOISTURE REMAINS IN PLACE TODAY COMBINED WITH UPPER LEVEL TROUGH OF LOW PRESSURE TO PRODUCE AN UNSTABLE ATMOSPHERE THROUGH THE DAY. ISOLATED SHOWERS THIS MORNING WILL TURN TOWARDS MORE SCATTERED NATURE BY 1 PM WITH THUNDERSTORMS POSSIBLE OVER MOST AREAS. HOWEVER WITH COOLEST TEMPERATURES ALOFT OVER THE CENTRAL IDAHO MOUNTAINS...EXPECT GREATEST CHANCE THERE. PRECIPITABLE WATER AMOUNTS RANGE FROM 0.60 TO 0.90 SO THERE IS A POTENTIAL FOR SOME HEAVIER THUNDERSTORM RAIN AMOUNTS. THE SAVING GRACE THOUGH IS WITH THE SOUTHWEST FLOW ALOFT...STORMS WILL MOVE AT A DECENT SPEED SO NOT EXPECTING ANYONE AREA TO SEE RAINFALL AMOUNTS OVER 0.75 INCHES IN LESS THAN 1 HOUR. SCATTERED SHOWERS AND THUNDERSTORMS WILL REPEAT THE NEXT COUPLE OF DAYS. LONG TERM...THE LARGE SCALE TROUGH FLATTENS BY MID-WEEK SO EXPECT TEMPERATURES TO BEGIN RISING TOWARDS THE 90S BY THURSDAY THROUGH SATURDAY ALONG WITH DECREASED CHANCES FOR THUNDERSTORMS. PRESTON AVIATION...SUBTROPICAL MOISTURE CONTINUES TO BE PUSHED INTO THE REGION DUE TO AN UPPER LOW OVER OR. THIS WILL RESULT IN AFTN/EVE TSTMS AGAIN TODAY. IT WILL ALSO BE BREEZY WITH SW WINDS PICKING UP THIS AFTN...ESPECIALLY ACROSS THE SNAKE RIVER PLAIN. OTHERWISE... VFR CONDITIONS ARE EXPECTED TO PREVAIL. HEDGES FIRE WEATHER...SUBTROPICAL MOISTURE CONTINUES TO BE PUSHED INTO THE REGION DUE TO A WEAK UPPER LOW OVER OREGON. THIS WILL RESULT IN AFTERNOON AND EVENING TSTMS AGAIN TODAY. MOST WILL BE OVER THE CENTRAL IDAHO MOUNTAINS. SOUTHWEST WINDS WILL ALSO PICK UP THIS AFTERNOON. SHOWERS AND THUNDERSTORMS WILL REMAIN POSSIBLE INTO NEXT WEEK. TEMPERATURES WILL BE ON THE RISE OVER THE NEXT FEW DAYS... ALONG WITH DECREASING HUMIDITY. HEDGES && .PIH WATCHES/WARNINGS/ADVISORIES... NONE. &&
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE POCATELLO ID 1134 AM MDT SAT JUL 11 2015 IDZ021-022-111815- SOUTH CENTRAL HIGHLANDS ID-LOWER SNAKE RIVER PLAIN ID- 1134 AM MDT SAT JUL 11 2015 ...SMALL HAIL...WINDS OVER 30 MPH AND HEAVY RAIN AFFECTING SOUTHWESTERN BINGHAM...NORTHWESTERN BANNOCK AND CENTRAL POWER COUNTIES UNTIL 1215 PM MDT... AT 1131 AM MDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR NEELEY...MOVING NORTHEAST AT 20 MPH. HALF INCH HAIL...WINDS OVER 30 MPH AND HEAVY RAINFALL WILL BE POSSIBLE WITH THIS STORM. PEOPLE ON AMERICAN FALLS RESERVOIR NEED TO HEAD FOR SHORE NOW!!! LOCATIONS IMPACTED INCLUDE... AMERICAN FALLS...CHUBBUCK... POCATELLO AIRPORT AND FORT HALL BANNOCK CREEK LODGE. PRECAUTIONARY/PREPAREDNESS ACTIONS... TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS. THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE. && LAT...LON 4262 11279 4274 11297 4307 11269 4296 11246 TIME...MOT...LOC 1731Z 222DEG 19KT 4274 11281 JKEYES
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE POCATELLO ID 1214 PM MDT SAT JUL 11 2015 IDZ021>023-111900- SOUTH CENTRAL HIGHLANDS ID-LOWER SNAKE RIVER PLAIN ID- CARIBOU HIGHLANDS ID- 1214 PM MDT SAT JUL 11 2015 ...HAIL UP TO ONE HALF INCH AND HEAVY RAIN AFFECTING SOUTHWESTERN BINGHAM...NORTHWESTERN BANNOCK AND CENTRAL POWER COUNTIES UNTIL 100 PM MDT... AT 1211 PM MDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORMS FROM CHUBBUCK TO NORTH OF ROCKLAND...MOVING NORTHEAST AT 20 MPH. HAIL UP TO ONE HALF INCH AND HEAVY RAIN ARE POSSIBLE WITH THESE STORMS. LOCATIONS IMPACTED INCLUDE... POCATELLO...BLACKFOOT...AMERICAN FALLS...AMERICAN FALLS RESERVOIR... NEELEY...CHUBBUCK...ROCKLAND...POCATELLO AIRPORT...FORT HALL BUFFALO LODGE...FORT HALL BANNOCK PEAK...FORT HALL TOWNSITE...MORELAND...FORT HALL PUTNAM LODGE...FORT HALL BANNOCK CREEK LODGE...FORT HALL EAGLE LODGE...GROVELAND AND MASSACRE ROCKS. PRECAUTIONARY/PREPAREDNESS ACTIONS... TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS. THESE STORMS MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE. && LAT...LON 4248 11279 4268 11312 4326 11242 4305 11204 TIME...MOT...LOC 1811Z 223DEG 18KT 4291 11250 JKEYES
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE POCATELLO ID
1245 PM MDT SAT JUL 11 2015
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1235 PM HAIL 1 WSW CHUBBUCK 42.92N 112.48W
07/11/2015 M0.75 INCH BANNOCK ID NWS EMPLOYEE
HEAVY RAINFALL WITH PENNY SIZE HAIL.
1241 PM HAIL NNW CHUBBUCK 42.88N 112.47W
07/11/2015 M0.75 INCH BANNOCK ID TRAINED SPOTTER
HAIL COVERING GROUND TO DEPTH OF 1.5 INCHES NEAR CITY
HALL IN POCATELLO. HEAVY RAIN WITH THE HAIL.
&&
GWICKLUNPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE POCATELLO ID
1252 PM MDT SAT JUL 11 2015
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1245 PM HEAVY RAIN WSW CHUBBUCK 42.92N 112.46W
07/11/2015 M0.52 INCH BANNOCK ID NWS EMPLOYEE
HEAVY RAINFALL OCCURRED OVER A 45 MINUTE PERIOD.
&&
GWICKLUNSPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE POCATELLO ID
109 PM MDT SAT JUL 11 2015
IDZ019>021-023-112000-
UPPER SNAKE RIVER PLAIN ID-LOWER SNAKE RIVER PLAIN ID-
CARIBOU HIGHLANDS ID-UPPER SNAKE HIGHLANDS ID-
109 PM MDT SAT JUL 11 2015
...SMALL HAIL AND HEAVY RAIN AFFECTING CENTRAL
BINGHAM...SOUTHEASTERN JEFFERSON...NORTH CENTRAL
BANNOCK...NORTHWESTERN CARIBOU... SOUTHEASTERN
FREMONT...NORTHEASTERN BONNEVILLE...EASTERN MADISON... NORTHEASTERN
POWER AND TETON COUNTIES UNTIL 200 PM MDT...
AT 105 PM MDT...DOPPLER RADAR WAS TRACKING STRONG THUNDERSTORMS FROM
9 MILES WEST OF DRIGGS TO BONE TO CHUBBUCK...MOVING NORTHEAST AT 25
MPH.
HAIL UP TO ONE HALF INCH ALONG WITH VERY HEAVY RAIN WILL BE POSSIBLE
WITH THIS LINE OF STORMS. SMALL HAIL AND MINOR FLOODING HAS BEEN
REPORTED.
LOCATIONS IMPACTED INCLUDE...IDAHO FALLS...BLACKFOOT...DRIGGS...SWAN
VALLEY...FELT... RIRIE RESERVOIR...GOSHEN...CHESTERFIELD
RESERVOIR...AMMON...SHELLEY...VICTOR...IONA...
INKOM...RIRIE...FIRTH...TETONIA AND FORT HALL BUFFALO LODGE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD
TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.
THESE STORMS MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO
AND TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.
&&
LAT...LON 4267 11229 4304 11274 4417 11109 4413 11109
4412 11105 4364 11104
TIME...MOT...LOC 1905Z 218DEG 20KT 4371 11129
JKEYESThe Pocatello radar (KSFX), 87 km away, was scanning. The volume nearest the first event began at 19:39 UTC.
1 tornado. Local standard time, as filed.
Video and photographs received on social media tornado over in between Mud Lake and Sage Junction in Jefferson County on July 11th.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Idaho in 2015Every state in 2015This day in weather historyThe tornado archive for Idaho, 2015Warnings in Idaho, July 2015
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: 595781.