Fifty knot winds were recorded on August 19th from thunderstorms.
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.
Fifty knot winds were recorded on August 19th from thunderstorms.
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 19, 1:01 PM MST, 5 hours 44 minutes earlier.
Area Forecast Discussion National Weather Service Pocatello ID 201 PM MDT Fri Aug 19 2022 .SHORT TERM (Tonight - Saturday)... Afternoon satellite visible satellite imagery shows ample cloud cover across the western portion of the forecast area this afternoon with more scattered CU starting to pop across the Central Mountains. These clouds, where they're present, has helped to keep temps down a bit. Atmospheric moisture has increased over the last 24 hours with PWATs at or just above 1 inch across the southern half of the forecast area. Airmass remains a tad bit drier across the central mountains which could allow for a mix of wet and dry thunderstorms today in that area but closer to the Nevada and Utah borders showers and storms will certainly be of the wet variety. Hi-res CAMs show some impressive coverage across the SE corner and into the lower Snake later tonight. This signal has been there for much of the day so PoPs have trended upward in these areas since the previous forecast package. Given the decent moisture content of the airmass, some moderate to heavy rainfall rates will be possible so things will have to be monitored for localized flooding concerns. Some small hail is also possible in the strongest of storms. Could see some lingering clouds and shower activity across the southern extent of the area during the overnight hours and towards sunrise Saturday. After daybreak Saturday, things look strikingly similar to today's forecast with another round of afternoon/evening showers and storms. McKaughan .LONG TERM (Sunday - Friday)... Showers and storms continue to be the focus of the extended forecast, though not every day will see them. Sunday will still see a few showers and storms as will Monday as a shortwave cuts off into an upper level low and pushes northeast. Some drier air will be able to make it into the area with PWATs in the Central Mountains mainly between 0.50 to 0.70 inches. PWATs in the Snake Plains and Highlands will still be between 0.70 to 1.10 inches. The ECMWF, GFS, and NAM all agree pretty well on PWAT values. Ridging tried to build back in late Monday, but another shortwave trough gets ejected from the stronger low pressure system sitting in the Alaskan gulf. This shortwave gets hung up in the Idaho panhandle and northern Montana area in the middle of next week. This will keep most of the moisture farther north, but will keep some low POPs in the forecast mainly along the Idaho/Montana state line. ECMWF and GFS are in pretty good agreement on this, too, but NBM continues to want to bring more rain to more of the area. The GFS is a bit slower than the ECMWF to get that trough moved farther east as the week wears on. Despite some of these on and off rain and storm chances in the week ahead, temperatures generally stay near or even slightly above our average highs for this time of the year, in the upper 80s and low 90s for the lower elevations. Higher elevations will see highs in the upper 70s to low to mid 80s. AMM && .AVIATION... Monsoonal moisture continues to bring rain and storm chances into the area. After a morning of showers, expect some storms to pop up during the afternoon and evening, especially around KPIH, KBYI, and KIDA terminals, but keeping VCTS at all sites in TAFs. The greatest thunderstorm activity looks to be between 20-05Z. Winds will pick up after 20Z with gusts between 15-20 kts, mainly at PIH, BYI, and IDA. Gusts with thunderstorm outflows would be higher, likely closer to 30-35kts. Overall VFR conditions are expected, unless a storm passes over the terminal, which could drop conditions to MVFR or even IFR until it passes. AMM && .FIRE WEATHER... Today begins several days of showers and thunderstorms. The amount of moisture available today to help produce wetting rains is there, especially for the southern and southeast highlands (413, 427) and zones 422 and 476 in the central mountains. The chance of wetting rains is between 40-60% in those areas. For Zone 411 and also portions of the Snake Plain where we can get storms to develop, the probability peaks around 35%. The best chance of seeing a mix of wet and dry storms is across Zone 410 and also the far northern end of 475 where the chance peaks at 20%. Looking at higher amounts, there is a 15-25% chance across Zones 413 and 427 for between 0.25-0.50", and less than 10% anywhere else. We can also expects gusts over 35 mph where storms are more dry vs wet as well. For Saturday, wetting rains especially over the mountains are expected as deeper monsoon moisture arrives. Chances are again in the 40-60% range for those locations. To round out the weekend, Sunday looks a lot less stormy for some folks. Isolated storms are possible across 475 and the Snake Plain, while the Magic Valley 9427) and South Hills (427) have less than a 10% chance of storms. For Zones 411, 413, 422 and 476...scattered storms are forecast with storms trending much drier as high pressures tries to rebuild and a drier airmass slides into Idaho. That trend may not last long though. The models are struggling with thunderstorm potential as another low slowly moves east, although the general track may be farther north. If that happens, very little storm activity would occur across Zones 425 and 427 and a good chunk of 410. That would focus storms across the north and also along the Wyoming border. That picture should become clearer over the weekend. Keyes && .PIH WATCHES/WARNINGS/ADVISORIES... None. &&
Special Weather Statement
National Weather Service Pocatello ID
636 PM MDT Fri Aug 19 2022
IDZ058-059-200130-
Franklin/Eastern Oneida Region ID-Marsh and Arbon Highlands ID-
636 PM MDT Fri Aug 19 2022
...Strong thunderstorms will impact the Cherry Creek and Malad
region through 730 PM MDT...
At 635 PM MDT, Doppler radar was tracking strong thunderstorms along
a line extending from 7 miles southwest of Swanlake to 7 miles east
of Cherry Creek Rest Area. Movement was west at 10 mph.
HAZARD...Brief moderate rain, wind gusts to 40 mph, small hail, and
occasional lightning.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.
Locations impacted include...
Malad, Pleasantview, Cherry Creek Rest Area, Samaria and Daniels
Reservoir.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 4242 11252 4203 11243 4206 11200 4228 11204
TIME...MOT...LOC 0035Z 101DEG 9KT 4223 11210 4212 11208
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH
HustonSpecial Weather Statement
National Weather Service Pocatello ID
706 PM MDT Fri Aug 19 2022
IDZ052>054-058-200200-
Arco/Mud Lake Desert ID-Upper Snake River Plain ID-
Marsh and Arbon Highlands ID-Lower Snake River Plain ID-
706 PM MDT Fri Aug 19 2022
...Strong thunderstorms will impact portions of southwestern Fremont,
western Jefferson, north central Bannock, southeastern Butte,
northeastern Power, northwestern Bonneville and western Bingham
Counties through 800 PM MDT...
At 705 PM MDT, Doppler radar was tracking strong thunderstorms along
a line extending from Hamer to 9 miles west of Roberts to 10 miles
east of Southeast Inl to Taber to Rockford to Fort Hall Buffalo Lodge
to near Portneuf Gap. Movement was northwest at 5 mph.
HAZARD...Wind gusts up to 50 mph and pea size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Pocatello, Terreton, eastern American Falls Reservoir, Chubbuck,
Inkom, Mud Lake, Hamer, Fort Hall Buffalo Lodge, Fort Hall Eagle
Lodge, Taber, Southeast Inl, Portneuf Gap, Fort Hall Townsite,
Springfield, Rockford, Moreland, Pingree, Pocatello Airport, Fort
Hall Putnam Lodge and East Butte.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 4405 11229 4385 11248 4371 11263 4334 11285
4306 11274 4288 11258 4274 11241 4281 11214
4327 11244 4348 11233 4362 11225 4392 11206
TIME...MOT...LOC 0105Z 146DEG 5KT 4392 11221 4373 11232 4355 11245
4329 11265 4320 11257 4299 11252 4284 11234
MAX HAIL SIZE...0.25 IN
MAX WIND GUST...50 MPH
ECSpecial Weather Statement
National Weather Service Pocatello ID
707 PM MDT Fri Aug 19 2022
IDZ057>059-062-200200-
Franklin/Eastern Oneida Region ID-Marsh and Arbon Highlands ID-
Raft River Region ID-Blackfoot Mountains ID-
707 PM MDT Fri Aug 19 2022
...Line of thunderstorms moving northeast through the Malad region
through 800 PM MDT...
At 705 PM MDT, Doppler radar was tracking a line of thunderstorms
extending from 8 miles north of Swanlake to near Downey to near
Malad, moving northwest at 10 mph.
HAZARD...Brief heavy rain, wind gusts to 40 mph, small hail, and
occasional lightning.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.
Locations impacted include...
Malad, Downey, Arimo, Pleasantview, Virginia, Hawkins Reservoir,
Samaria, Daniels Reservoir and Malad Pass.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 4264 11205 4252 11234 4247 11242 4222 11270
4210 11229 4229 11207 4234 11199 4243 11179
TIME...MOT...LOC 0105Z 124DEG 7KT 4243 11194 4238 11206 4233 11214
4220 11230
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH
HustonSpecial Weather Statement
National Weather Service Pocatello ID
710 PM MDT Fri Aug 19 2022
IDZ052-053-067-200200-
Arco/Mud Lake Desert ID-Upper Snake River Plain ID-
Beaverhead/Lemhi Highlands ID-
710 PM MDT Fri Aug 19 2022
...Line of thunderstorms moving southwest through the Dubois region
through 800 PM MDT...
At 708 PM MDT, Doppler radar was tracking a line of thunderstorms
extending from near Spencer to 6 miles northeast of Dubois to 9
miles northwest of Egin, moving southwest at 15 mph.
HAZARD...Brief moderate rain, wind gusts to 40 mph, and occasional
lightning.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.
Locations impacted include...
Dubois, Hamer, southern Saint Anthony Sand Dunes, Small and Sage
Junction.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 4423 11280 4402 11246 4373 11217 4401 11182
4424 11205 4440 11231
TIME...MOT...LOC 0108Z 053DEG 13KT 4434 11229 4422 11210 4405 11193
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH
HustonPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE POCATELLO ID
717 PM MDT FRI AUG 19 2022
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0554 PM HEAVY RAIN 3 SW LUND 42.62N 111.92W
08/19/2022 E1.00 INCH BANNOCK ID LAW ENFORCEMENT
HEAVY RAIN AND MINOR FLOODING OVER FISH
CREEK SUMMIT. TIME ESTIMATED FROM RADAR.
&&
MHSpecial Weather Statement
National Weather Service Pocatello ID
744 PM MDT Fri Aug 19 2022
IDZ060-061-200215-
Bear Lake Valley ID-Bear River Range ID-
744 PM MDT Fri Aug 19 2022
...Thunderstorm moving west through Bear Lake through 815 PM MDT...
At 742 PM MDT, Doppler radar was tracking a thunderstorm near Bear
Lake, moving west at 10 mph.
HAZARD...Brief moderate rain, wind gusts to 40 mph, and occasional
lightning.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.
Locations impacted include...
Bear Lake, Saint Charles, Dingle, Paris, Bloomington and Fish Haven.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors or recreating on Bear Lake, consider seeking shelter
inside a building.
&&
LAT...LON 4227 11151 4221 11120 4201 11119 4200 11136
4200 11151
TIME...MOT...LOC 0142Z 079DEG 7KT 4212 11127
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH
HustonThe Pocatello radar (KSFX), 64 km away, was scanning. The volume nearest the first event began at 01:44 UTC.
2 thunderstorm wind. Local standard time, as filed.
The Rover mesonet site 9 miles south southwest of Mud Lake recorded a 59 mph thunderstorm outflow wind gust.
INL Naval Reactor mesonet site measured a 58 mph wind gust.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Idaho in 2022Every state in 2022This day in weather historyWarnings in Idaho, August 2022
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: 1055342, 1055341.