Severe thunderstorm winds at multiple sites.
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.
Severe thunderstorm winds at multiple sites.
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 30, 12:41 PM MST, 2 hours 59 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE POCATELLO ID 141 PM MDT FRI JUL 30 2010 .DISCUSSION... MONSOONAL MOISTURE CONTINUES ACROSS THE REGION. THIS MOISTURE WILL CONTINUE TO INTERACT WITH THE AFTERNOON HEATING TO PRODUCE ISOLATED TO SCATTERED THUNDERSTORMS ACROSS THE AREA UNTIL SUNDAY. A COLD FRONT IS EXPECTED TO ARRIVE ON SUNDAY AND THIS WILL PUSH MOST OF THE MOISTURE AWAY FROM THE REGION AND DROP THE TEMPERATURE A COUPLE OF DEGREES. THE COOL DOWN WILL BE SHORT LIVED AS WARM AIR IS EXPECTED TO QUICKLY BUILD BACK IN NEXT WEEK. GFS AND EUROPEAN CONTINUE TO SHOW THAT THE MONSOONAL MOISTURE WILL BE CLOSE TO THE REGION...CLOSE ENOUGH TO SUPPORT SLIGHT CHANCES FOR THUNDERSTORMS NEXT WEEK. && .AVIATION...ISOLATED TO SCATTERED THUNDERSTORMS ARE POSSIBLE ONCE AGAIN THIS AFTERNOON AND EVENING. THE STORMS WILL HAVE THE POTENTIAL TO PRODUCE GUSTY WINDS IN EXCESS OF 50 MPH ALONG WITH LOCALLY HEAVY RAIN. KBYI AND KSUN WILL BE THE MOSTLY LIKELY TAF SITES AFFECTED BY THUNDERSTORMS THIS EVENING. VFR CONDITIONS WILL BE THE RULE OUTSIDE OF THE STORMS. && .FIRE WEATHER...THE LOW PRESSURE TROUGH THAT HAS BEEN ALONG THE WEST COAST THE PAST FEW DAYS WILL MOVE SLIGHTLY INLAND OVER WASHINGTON AND OREGON THE NEXT COUPLE OF DAYS. THAT WILL BRING DRIER AIR INTO SOUTHEAST IDAHO BY SUNDAY AND SET UP A BREEZY DAY...GUSTS IN THE MID TO UPPER 20S AND RH IN THE LOWER TO MIDDLE TEENS FOR THE ARCO DESERT AREA SUNDAY AFTERNOON. IN THE MEANTIME...THE AIR IS STILL QUITE MOIST AND UNSTABLE. A RED FLAG WARNING REMAINS IN EFFECT FOR ZONES 409 AND 412 THIS EVENING. SOME LIGHTING STRIKES ALREADY OBSERVED NEAR RICHFIELD. SUSPECT A FEW OF THESE STORMS WILL CONTINUE TO TRACK TOWARDS ARCO THE NEXT FEW HOURS. LIGHTNING MAY ONLY BE ISOLATED AND NOT QUITE MERITING INCLUSION OF THE UPPER PLAIN IN THE WARNING. SECOND...THERE IS SOME FORCING ALOFT COMBINED WITH A DEVELOPING SURFACE LOW IN NEVADA TO SUGGEST A FEW THUNDERSTORMS MAY DEVELOP NEAR SUNRISE SATURDAY BETWEEN DIETRICH AND ATOMIC CITY. THOUGHT AT THE MOMENT IS IT WILL BE MORE ISOLATED THUNDER AND LIGHTNING AS WELL. RS && .PIH WATCHES/WARNINGS/ADVISORIES... RED FLAG WARNING UNTIL 10 PM MDT THIS EVENING IDZ017-022. &&
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE POCATELLO ID 934 AM MDT FRI JUL 30 2010 IDZ017>025-031-032-311200- EASTERN MAGIC VALLEY-SAWTOOTH MOUNTAINS-UPPER SNAKE HIGHLANDS- UPPER SNAKE RIVER PLAIN-LOWER SNAKE RIVER PLAIN- SOUTH CENTRAL HIGHLANDS-CARIBOU HIGHLANDS- CACHE VALLEY/IDAHO PORTION-WASATCH MOUNTAINS/IDAHO PORTION- BIG AND LITTLE WOOD RIVER REGION-LOST RIVER/PAHSIMEROI- 934 AM MDT FRI JUL 30 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN IDAHO. .DAY ONE...TODAY AND TONIGHT ANOTHER ROUND OF SHOWERS AND THUNDERSTORMS WILL AFFECT EASTERN IDAHO. THE BEST CHANCES WILL BE ACROSS CENTRAL AND WESTERN PORTIONS OF THE FORECAST AREA THROUGH EVENING. SMALL HAIL...BRIEF HEAVY RAIN AND WIND GUSTS IN EXCESS OF 50 MPH ARE POSSIBLE. A RED FLAG WARNING HAS BEEN ISSUED FOR PORTIONS OF THE MAGIC VALLEY AND SOUTH CENTRAL HIGHLANDS. PLEASE REFER TO BOIRFWPIH FOR DETAILS. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY FOR SATURDAY...MORE SHOWERS AND STORMS ARE IN THE FORECAST. THE HIGHEST CHANCES WILL ACROSS NORTHERN AND EASTERN PARTS OF OUR AREA. ONCE AGAIN...STRONG TO MARGINALLY SEVERE STORMS ARE POSSIBLE WITH SMALL HAIL...BRIEF HEAVY RAIN AND WIND GUSTS IN EXCESS OF 50MPH CAN BE EXPECTED. DRIER CONDITIONS WILL RETURN BY SUNDAY...WITH LIMITED SHOWER/THUNDERSTORM CHANCES FOR THE MOUNTAINS STAYING WITH US THROUGH NEXT WEEK. .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.
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE POCATELLO
345 PM MDT FRI JUL 30 2010
IDZ017-022-302245-
MINIDOKA ID-CASSIA ID-
345 PM MDT FRI JUL 30 2010
THE NATIONAL WEATHER SERVICE IN POCATELLO HAS ISSUED A
SIGNIFICANT WEATHER ADVISORY FOR...
WESTERN CASSIA COUNTY IN SOUTH CENTRAL IDAHO
SOUTHWESTERN MINIDOKA COUNTY IN SOUTH CENTRAL IDAHO
UNTIL 445 PM MDT.
AT 342 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 10 MILES SOUTHEAST
OF HANSEN TO 7 MILES NORTH OF MARION TO 14 MILES SOUTHWEST OF
OAKLEY..AND MOVING EAST AT 20 MPH.
HAIL UP TO ONE-HALF INCH IN DIAMETER AND WIND GUSTS UP TO 40 MPH ARE
EXPECTED WITH THESE STORMS...ALONG WITH HEAVY RAIN AND FREQUENT
DANGEROUS LIGHTNING.
LOCATIONS IMPACTED INCLUDE...
MARION...
LOCUST...
LOCUST AND OAKLEY...
BASIN...
BURLEY...
ALBION...
HEYBURN... ELBA... RUPERT AND DECLO...
IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A
STURDY BUILDING.
LAT...LON 4236 11400 4241 11421 4242 11407 4250 11407
4251 11405 4253 11394 4256 11393 4263 11369
4254 11333 4215 11354 4199 11415 4199 11419
TIME...MOT...LOC 2145Z 250DEG 18KT 4245 11412 4239 11388
4209 11404
HANKOPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE POCATELLO
430 PM MDT FRI JUL 30 2010
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0405 PM HAIL 10 WSW BURLEY 42.48N 113.97W
07/30/2010 M0.25 INCH CASSIA ID TRAINED SPOTTER
0.21 INCHES OF RAIN IN 15 MINUTES
0405 PM HAIL 6 W BURLEY 42.53N 113.91W
07/30/2010 E0.50 INCH MINIDOKA ID TRAINED SPOTTER
HEAVY RAIN AS WELL
0405 PM TSTM WND GST 4 S CENTRAL INL 43.53N 112.95W
07/30/2010 M56.00 MPH BUTTE ID MESONET
CENTRAL FACILITIES - INL
0405 PM TSTM WND GST 4 WSW SOUTHWEST INL 43.50N 113.05W
07/30/2010 M56.00 MPH BUTTE ID MESONET
RADIOACTIVE WASTE MANAGEMENT - INL
&&
CHATTINGSThe Pocatello radar (KSFX), 106 km away, was scanning. The volume nearest the first event began at 22:39 UTC.
2 thunderstorm wind. Local standard time, as filed.
Hamer ARL FRD mesonet site recorded 63 mph wind gust.
Sixty mph wind gust at Pocatello Regional Airport.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Idaho in 2010Every state in 2010This day in weather historyWarnings in Idaho, July 2010
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: 253782, 253780.