31 inches total. Houses on the southwest side of town had basement flooding with flooding in the downtown construction area.
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.
Over one inch of rain fell in less than an hour with 1.31 inches total. Houses on the southwest side of town had basement flooding with flooding in the downtown construction area.
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 28, 1:08 AM MST, 11 hours 12 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE POCATELLO ID 208 AM MDT WED AUG 28 2013 .DISCUSSION...WV IMAGERY THIS MORNING SHOWS UPPER LOW SPINNING OFF BRITISH COLUMBIA WHILE A SHORT WAVE TROUGH IS LIFTING OUT OF NEVADA. THE TROUGH SHOULD SPREAD THUNDERSTORMS ACROSS THE AREA THIS AFTERNOON AIDED BY A 90 KT JET OVERHEAD. AIRMASS REMAINS UNSTABLE THIS MORNING INDICATING THAT CONVECTION WILL NEED LITTLE HELP INITIATING TODAY. UPPER SHORT WAVE TROUGH LIFTS INTO MONTANA BY 00Z TONIGHT. UPPER LOW OFFSHORE WILL BEGIN TO LIFT ACROSS THE PACIFIC NORTHWEST WHICH MAY TRIGGER AN INCREASE IN WINDS TOMORROW AS WELL AS THUNDERSTORMS. MODELS ARE KEEPING THE PLUME OF MONSOON MOISTURE TO THE SOUTH OVER THE WEEKEND...BUT HINT AT SOME OF IT CLIPPING OUR SOUTHERN BORDER. MODELS A BIT UNCERTAIN FOR EARLY NEXT WEEK. GFS ADVERTISES ANOTHER SHORT WAVE LIFTING OUT OF THE LONGWAVE OFF THE COAST ON MONDAY WHILE THE ECMWF INDICATES A WARMER...MORE AMPLIFIED PATTERN THAN INDICATED BY THE GFS. THUS THE ECMWF IS DRIER FOR MONDAY WHILE INCREASING MOISTURE ACROSS SOUTHEAST IDAHO ON TUESDAY. ECMWF MAINTAINS A MORE AMPLIFIED RIDGE OVER THE CONTINENTAL DIVIDE THROUGH WEDNESDAY...BUT CONTINUES TO ADVECT MONSOONAL MOISTURE ACROSS THE AREA WHICH MEANS THUNDERSTORM CHANCES WILL REMAIN ELEVATED IN THE EXTENDED PERIODS. HINSBERGER && .AVIATION...ANOTHER PLUME OF MONSOON MOISTURE MOVING THRU ID TODAY. THIS WILL RESULT IN AFTN/EVE TSTMS IN MOST AREAS. GUSTY WINDS ARE POSSIBLE WITH TSTMS...HOWEVER VFR CONDITIONS WILL PREVAIL. HEDGES && .FIRE WEATHER...ANOTHER AREA OF MONSOON MOISTURE WILL SET THE STAGE FOR SCATTERED THUNDERSTORMS MAINLY LATE THIS AFTERNOON AND EVENING. FREQUENT LIGHTNING STRIKES AND GUSTY OUTFLOW WINDS CAN BE EXPECTED WITH THUNDERSTORMS. THE UPPER FLOW TURNS A LITTLE MORE WESTERLY ON THURSDAY...WHICH WILL BEGIN TO PUSH MONSOON MOISTURE OUT OF THE AREA. THIS WILL LIMIT THUNDERSTORM ACTIVITY...ESPECIALLY FRIDAY THROUGH THE WEEKEND. TEMPS WILL BE RUNNING A LITTLE ABOVE NORMAL. AN UPPER LOW APPROACHES THE PAC NW ON SUNDAY. THIS WILL TURN THE UPPER FLOW TO MORE SOUTHERLY...PROVIDING A TRANSPORT FOR MONSOON MOISTURE AGAIN EARLY NEXT WEEK. HEDGES && .PIH WATCHES/WARNINGS/ADVISORIES...RED FLAG WARNING UNTIL 11 PM MDT THIS EVENING IDZ422-475-476. &&
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE POCATELLO ID 424 AM MDT WED AUG 28 2013 IDZ017>025-031-032-291030- 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- 424 AM MDT WED AUG 28 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN IDAHO. .DAY ONE...TODAY AND TONIGHT SCATTERED THUNDERSTORMS ARE EXPECTED ACROSS THE AREA TODAY. STORMS MAY PRODUCE SMALL HAIL...OUTFLOW WINDS AROUND 40 MPH AND LOCALLY HEAVY RAIN. SOME STORMS MAY BE SEVERE. AS A RESULT OF LIGHTNING COVERAGE AND CRITICAL FUELS...A RED FLAG WARNING HAS BEEN EXTENDED THROUGH 11 PM TONIGHT. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY ISOLATED NON-SEVERE THUNDERSTORMS WILL DEVELOP TOMORROW AFTERNOON OVER SOUTHEAST IDAHO. MONSOONAL MOISTURE WILL SURGE AGAIN INTO THE REGION MONDAY AND TUESDAY...INCREASING THE CHANCES FOR THUNDERSTORMS. .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 ID
1218 PM MDT WED AUG 28 2013
IDZ017-022-281900-
CASSIA ID-BLAINE ID-
1218 PM MDT WED AUG 28 2013
THE NATIONAL WEATHER SERVICE IN POCATELLO HAS ISSUED A
SIGNIFICANT WEATHER ADVISORY FOR...
EXTREME SOUTHEASTERN BLAINE COUNTY IN CENTRAL IDAHO
NORTH CENTRAL CASSIA COUNTY IN SOUTH CENTRAL IDAHO
UNTIL 100 PM MDT
AT 1211 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 14 MILES NORTHEAST OF IDAHOME. THIS STORM WAS
MOVING NORTHEAST AT 10 MPH.
WIND GUSTS UP TO 40 MPH AND BRIEF HEAVY RAIN SHOWERS ARE EXPECTED
WITH THIS STORM.
LOCATIONS IMPACTED INCLUDE...
RURAL SOUTHEASTERN BLAINE COUNTY...
LAT...LON 4247 11366 4272 11329 4266 11323 4263 11324
4263 11320 4253 11311 4234 11349
TIME...MOT...LOC 1816Z 180DEG 0KT 4258 11319
!The Pocatello radar (KSFX), 35 km away, was scanning. The volume nearest the first event began at 19:21 UTC.
1 flash flood. Local standard time, as filed.
Over one inch of rain fell in less than an hour with 1.31 inches total. Houses on the southwest side of town had basement flooding with flooding in the downtown construction area.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Idaho in 2013Every state in 2013This day in weather historyWarnings in Idaho, August 2013
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: 475770.