A pacific storm system brought heavy snow to the central mountains.
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.
A pacific storm system brought heavy snow to the central mountains.
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 Mar 26, 2:32 AM MST, 11 hours 28 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE POCATELLO ID 332 AM MDT MON MAR 26 2007 .SHORT TERM...A DEVELOPING LOW PRESSURE SYSTEM IN THE EASTERN PACIFIC WILL ENTER THE GREAT BASIN MONDAY NIGHT AND TUESDAY. THE ASSOCIATED SURFACE LOW DEVELOPS OVER NEVADA THIS AFTERNOON THEN TRACKS NORTHWARD INTO IDAHO. SO FAR BOTH THE ETA AND GFS AGREE THE SURFACE LOW WILL TRACK INTO THE CENTRAL MOUNTAINS IN A POSITION FOR HEAVY SNOW TO DEVELOP IN THE SUN VALLEY AREA NORTHWARDS TO STANLEY EARLY TUESDAY MORNING. A WINTER STORM WATCH REMAINS IN EFFECT FOR THAT AREA. THE SITUATION IS LESS CLEAR AFTER THAT. THE ECM AND UKMET MODELS REMAIN APPOSED TO THE GFS AND TRACK THE SYSTEM MUCH FURTHER SOUTH. THE GFS STILL FAVORS THE H7 LOW POSITION IN WESTERN WYOMING TUESDAY INTO WEDNESDAY IN FAVORABLE POSITION FOR WRAP AROUND MOISTURE AND POTENTIAL FOR BANDING OF PRECIPITATION OVER THE UPPER SNAKE RIVER VALLEY AND EASTERN HIGHLANDS. THE FURTHER SOUTH TRACK OF THE ECM WOULD GO A LONG WAY TOWARDS PULLING PRECIPITATION FROM SOUTHEAST IDAHO. HAVE ISSUED A WINTER STORM WATCH FOR THE CARIBOU HIGHLANDS AND WASATCH MOUNTAINS. TIMING OF TUESDAY NIGHT AND WEDNESDAY AGREES WITH CURRENT GFS AS WRAP AROUND DEVELOPS ON BACK SIDE OF TROUGH. STILL HAVE A COUPLE MORE MODEL RUNS TO SEE IF THIS SYSTEM WILL TRCK SHARPLY SOUTHWARD. RS .LONG TERM...THURSDAY NIGHT THROUGH MONDAY. OVERALL LOOKS TO BE PRETTY QUIET PERIOD. UNDER INFLUENCE OF UPPER RIDGE THURSDAY NIGHT. WEAK PACIFIC SYSTEM PUSHES RIDGE EAST FRIDAY AND HAVE LOW PRECIPITATION CHANCES FRIDAY IN MOUNTAINS. KEPT SNAKE PLAIN DRY. THE LOW WITH THIS SYSTEM PASSES TO NORTH ON SATURDAY AND KEPT IN THE LOW PRECIPITATION CHANCES SATURDAY WITH GFS DRIVING THROUGH COLD FRONT AT SURFACE. LOOKS PRETTY DRY THROUGH MONDAY BUT KEPT IN MOUNTAIN PRECIP TO AGREE WITH NORTHERN NEIGHBORS. TEMPERATURES GENERALLY NEAR SEASONAL NORMS THROUGH THE PERIOD. UPPER FLOW GENERALLY NORTHWESTERLY SO MAY EVEN BE COOLER BUT FOR NOW NOT WHOLESALE GRID CHANGES IN THIS PERIOD. GK && .AVIATION...GENERALLY EXPECT VFR CONDITIONS TODAY AT TAF SITES. COULD SEE SOME CONVECTION AND ISOLATED TO WIDELY SCATTERED THUNDERSTORMS BY MID AFTERNOON ALONG ALL TWEB ROUTES. EXPECT DETERIORATING CONDITIONS LATE MONDAY NIGHT AND TUESDAY WITH WIDESPREAD MVFR AND IFR...ESPECIALLY OVER MOUNTAINS AS LARGE STORM SYSTEM APPROACHES FROM THE PACIFIC. GK && .PIH WATCHES/WARNINGS/ADVISORIES... WINTER STORM WATCH FROM TUESDAY EVENING THROUGH WEDNESDAY AFTERNOON FOR IDZ023-025. WINTER STORM WATCH FROM LATE TONIGHT THROUGH LATE TUESDAY NIGHT FOR IDZ018-031. &&
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE POCATELLO ID 457 AM MDT MON MAR 26 2007 IDZ017>025-031-032-271200- 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- 457 AM MDT MON MAR 26 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN IDAHO. .DAY ONE...TODAY AND TONIGHT A STRONG PACIFIC STORM SYSTEM CONTINUES TO DEVELOP IN THE EASTERN PACIFIC AND WILL MOVE INTO THE INTER MOUNTAIN WEST TONIGHT AND TUESDAY. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS ARE EXPECTED THIS AFTERNOON IN UNSTABLE SOUTHWEST FLOW AHEAD OF THE STORM SYSTEM. THE ASSOCIATED SURFACE LOW WILL DEVELOP OVER NEVADA THIS AFTERNOON AND TRACK NORTHEAST. SNOW HEAVY AT TIMES IS POSSIBLE ABOVE 6500 FEET IN THE CENTRAL MOUNTAINS AFTER MIDNIGHT. A WINTER STORM WATCH HAS BEEN ISSUED FOR THE SAWTOOTH MOUNTAINS AND BIG AND LITTLE WOOD RIVER REGION. PLEASE REFER TO BOIWSWPIH FOR DETAILS. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY THE STORM SYSTEM WILL CONTINUE TO MOVE EAST TUESDAY NIGHT AND WEDNESDAY WITH SOME UNCERTAINTY OF THE STORM TRACK. A WINTER STORM WATCH HAS BEEN ISSUED FOR THE CARIBOU HIGHLANDS AND WASATCH MOUNTAINS FOR POSSIBLE HEAVY SNOW AT HIGHER ELEVATIONS TUESDAY NIGHT AND AND WEDNESDAY. PLEASE REFER TO BOIWSWPIH FOR DETAILS. DURING THE DAY TUESDAY STRONG WEST WINDS 25 TO 35 MPH WITH GUSTS UP TO 50 MPH ARE POSSIBLE FOLLOWING A COLD FRONTAL PASSAGE IN THE EASTERN MAGIC VALLEY. A SECOND COLD FRONT IS EXPECTED TO REACH SOUTHEAST IDAHO ON SATURDAY. .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 heavy snow. Local standard time, as filed.
A storm system brought widespread snow to the central mountains with most amounts under warning criteria in the 6 to 8 inch range. Mill Creek Summit did receive 11 inches of snow at 8800 feet.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Idaho in 2007Every state in 2007This day in weather historyWarnings in Idaho, March 2007
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: 22827.