A heavy snow shower caused slick roads and reduced visibilities on Highway 37 just north of Rockland. The conditions caused a two car collision which resulted in a fatality at around 6:15 pm on March 22nd.
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 heavy snow shower caused slick roads and reduced visibilities on Highway 37 just north of Rockland. The conditions caused a two car collision which resulted in a fatality at around 6:15 pm on March 22nd. One to 4 inches of snow was common across the region during the day on the 22nd.
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 22, 2:22 AM MST, 2 hours 38 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE POCATELLO ID 322 AM MDT FRI MAR 22 2013 .SHORT TERM...TODAY THROUGH SUNDAY NIGHT. CURRENT WATER VAPOR SATELLITE IMAGERY SHOWS A TROUGH DROPPING DOWN OVER NORTHERN IDAHO. MODELS CONTINUE TO SHOW SNOW OVER THE AREA TODAY WITH ONE HALF TO ONE INCH OF SNOW POSSIBLE OVER THE LOWER SNAKE RIVER PLAIN AND EASTERN MAGIC VALLEY. THE UPPER SNAKE RIVER PLAIN COULD SEE ONE TO TWO INCHES OF SNOW WITH LOCALLY HIGHER AMOUNTS. EXPECT TWO TO FOUR INCHES OF SNOW ACROSS ALL HIGHER ELEVATIONS. ALSO LOOK FOR INCREASED WINDS ACROSS THE AREA THIS AFTERNOON PARTICULARLY FOR THE EASTERN MAGIC VALLEY...LOWER SNAKE RIVER PLAIN AND THE SOUTHERN HIGHLANDS WHERE WIND SPEEDS ARE FORECASTED JUST BELOW WIND ADVISORY CRITERIA. MODELS SHOW A LITTLE INSTABILITY THIS AFTERNOON SO HAVE LEFT THUNDERSTORMS IN THE FORECAST MAINLY FOR THE LOWER SNAKE RIVER PLAIN. MODELS CONTINUE TO SHOW ANOTHER BUT WEAKER TROUGH MOVING THROUGH THE AREA SATURDAY AFTERNOON. LOOK FOR ANOTHER CHANCE OF SNOW MAINLY FOR THE EASTERN HIGHLANDS WHERE 1 TO 2 INCHES OF SNOW IS POSSIBLE AND THE SNAKE RIVER PLAIN WHERE A TRACE TO ONE HALF INCH OF SNOW IS POSSIBLE. ALSO BOTH MODELS CONTINUE TO SHOW AN EVEN WEAKER CHANCE OF SNOW ON SUNDAY WITH LITTLE ACCUMULATION. EXPECT WELL BELOW NORMAL TEMPERATURES THROUGHOUT THE PERIOD. .LONG TERM...MONDAY THROUGH FRIDAY NIGHT. BOTH GFS AND ECMWF ARE FAIRLY SIMILAR WITH AN UPPER RIDGE DOMINATING THE PAC NW MON AND TUE. BOTH MODELS ALSO SIMILAR WITH AN UPPER TROF MOVING INTO THE PAC NW ON WED. THIS SYSTEM WILL BEGIN TO SPREAD MTN SNOW ACROSS THE FCST ON WED. THIS IS A WEAK SYSTEM...SO PRECIP AMOUNTS SHOULD BE LIGHT. THE UPPER TROF IS DAMPENED OUT BY WED NIGHT...SO PRECIP WILL DIMINISH IN COVERAGE. THE NEXT SYSTEM TO APPROACH THE W COAST ON FRI DEVELOPS INTO A SPLIT FLOW PATTERN...WITH THE GFS MORE PROGRESSIVE THAN THE ECMWF. SPLIT FLOW SYSTEMS ARE GENERALLY POOR PRECIP PRODUCERS FOR THE FCST AREA...SO WILL ONLY CARRY LOW CHC POPS FOR FRI. HEDGES && .AVIATION...LIGHT SNOW LINGERING OVER THE UPPER SNAKE PLAIN EARLY THIS MORNING MAY CAUSE MINOR IMPACTS TO KIDA. A NEW STORM SYSTEM MOVING IN FROM THE NW TODAY WILL SPREAD LIGHT SNOW ACROSS THE ENTIRE AREA...WITH OCNL MVFR CIGS/VIS. CONDITIONS ARE EXPECTED TO IMPROVE TONIGHT. HEDGES && .PIH WATCHES/WARNINGS/ADVISORIES... NONE. &&
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE POCATELLO ID 438 AM MDT FRI MAR 22 2013 IDZ017>025-031-032-231045- 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- 438 AM MDT FRI MAR 22 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN IDAHO. .DAY ONE...TODAY AND TONIGHT THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. A SYSTEM WILL MOVE THROUGH TODAY BRINGING MOUNTAIN SNOW OF 2 TO 4 INCHES AND VALLEY SNOW OF 1/2 TO 2 INCHES. ALSO EXPECT INCREASED WINDS WITH GUSTS NEAR 40 MPH ACROSS THE EASTERN MAGIC VALLEY...LOWER SNAKE RIVER PLAIN AND SOUTHERN HIGHLANDS. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. LOOK FOR ANOTHER ROUND OF SNOW WITH 1 TO 2 INCHES OF MOUNTAIN SNOW MAINLY IN THE EASTERN HIGHLANDS. .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 winter storm. Local standard time, as filed.
A heavy snow shower caused slick roads and reduced visibilities on Highway 37 just north of Rockland. The conditions caused a two car collision which resulted in a fatality at around 6:15 pm on March 22nd. One to 4 inches of snow was common across the region during the day on the 22nd.
As the offices recorded each death: direct deaths were caused by the weather itself, indirect ones by something it set in motion.
| Event | Date | Age | Sex | Where | Kind |
|---|---|---|---|---|---|
| Winter Storm, South Central Highlands | 2013-03-22 | 23 | Female | Vehicle/Towed Trailer | Direct |
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, March 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: 440735.