July 13, 2022 Severe Thunderstorms

Overview

During the afternoon of July 13, 2022, a cluster of severe thunderstorms developed across east Idaho. Several wind gusts in excess of 50 mph were recorded with the strongest gust of 68 mph occurring near Ririe. Several trees and tree limbs were downed during this storm and a major power outage occurred in Idaho Falls affecting around 1,400 customers. These storms developed in a relatively unstable air mass ahead of a weak cold front. Although wind shear was weak, there was just enough shear combined with the unstable air to produce a few dry microburst variety thunderstorms.

Tree limbs brought down a power line in Idaho Falls.

Photos
Radar
Storm Reports
Environment

Pictures


Tree limbs down in Idaho Falls.	Tree limbs down near Idaho Falls.	Power outages across East Idaho. Image courtesy of KIFI-TV.

Radar

Composite radar loop showing progression of thunderstorms on July 13, 2022.

Storm Reports


Local Storm Reports across East Idaho on July 13, 2022.	Maximum wind gusts from automatic reporting stations across East Idaho on July 13, 2022.


PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE POCATELLO ID
712 AM MDT THU JUL 14 2022

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0244 PM     TSTM WND GST     5 N OWINZA              42.97N 114.06W
07/13/2022  M64 MPH          LINCOLN            ID   MESONET          

            CORRECTS PREVIOUS NON-TSTM WND GST REPORT 
            FROM 5 N OWINZA. MESONET STATION ROCI1 5 N 
            OWINZA. 

0338 PM     TSTM WND GST     AMERICAN FALLS          42.78N 112.85W
07/13/2022  E50 MPH          POWER              ID   PUBLIC           

            ESTIMATED WIND GUST. DIME-SIZED HAIL 
            REPORTED AS WELL. REPORT VIA FACEBOOK. 

0338 PM     HAIL             AMERICAN FALLS          42.78N 112.85W
07/13/2022  E0.70 INCH       POWER              ID   PUBLIC           
          
0347 PM     NON-TSTM WND GST 17 W ABERDEEN           42.99N 113.18W
07/13/2022  M48 MPH          POWER              ID   MESONET          

            MESONET STATION CYFI1 17 W ABERDEEN. 

0402 PM     TSTM WND GST     POCATELLO AIRPORT       42.92N 112.57W
07/13/2022  M56 MPH          POWER              ID   ASOS             

            CORRECTED...ASOS STATION KPIH POCATELLO 
            REGIONAL AIRPORT. 

0405 PM     TSTM WND GST     ATOMIC CITY             43.44N 112.81W
07/13/2022  M50 MPH          BINGHAM            ID   MESONET          

            ATOMIC CITY ARL. 

0420 PM     TSTM WND GST     11 W OSGOOD             43.55N 112.33W
07/13/2022  M53 MPH          BONNEVILLE         ID   MESONET          

            MESONET STATION KET KETTLE BUTTE. 

0425 PM     TSTM WND GST     ATOMIC CITY             43.44N 112.81W
07/13/2022  M51 MPH          BINGHAM            ID   MESONET          

            MESONET STATION ATO ATOMIC CITY. 

0435 PM     TSTM WND GST     12 E HOWE               43.78N 112.76W
07/13/2022  M51 MPH          BUTTE              ID   MESONET          

            MESONET STATION SAN SAND DUNES. 

0435 PM     TSTM WND GST     8 NNW ATOMIC CITY       43.55N 112.87W
07/13/2022  M50 MPH          BUTTE              ID   MESONET          

            MESONET STATION PBF - INL CRITICAL 
            INFRASTRUCTURE. 

0445 PM     TSTM WND GST     14 ENE ATOMIC CITY      43.55N 112.58W
07/13/2022  M58 MPH          BINGHAM            ID   MESONET          

            TELEGRAPH HILL ITD. 

0445 PM     TSTM WND DMG     1 E BLACKFOOT           43.19N 112.32W
07/13/2022                   BINGHAM            ID   UTILITY COMPANY  

            ABOUT 52 CUSTOMERS WITHOUT POWER IN THE 
            BLACKFOOT AREA. IT IS A WEATHER RELATED 
            OUTAGE. 

0448 PM     TSTM WND GST     4 W FIRTH               43.31N 112.27W
07/13/2022  M49 MPH          BINGHAM            ID   MESONET          

            BLACKFOOT REST AREA ITD. 

0448 PM     HAIL             2 SSW IONA              43.50N 111.94W
07/13/2022  M1.00 INCH       BONNEVILLE         ID   PUBLIC           

            QUARTER SIZE HAIL FELL IN THE AREA OF 
            THUNDER RIDGE HIGH SCHOOL. PHOTO PROVIDED BY 
            THE PUBLIC. 

0450 PM     TSTM WND GST     13 NE ATOMIC CITY       43.59N 112.65W
07/13/2022  M56 MPH          BINGHAM            ID   MESONET          

            MESONET STATION EBR INL MATERIALS FUELS 
            COMPLEX. 

0454 PM     TSTM WND GST     14 SSW CRATERS OF MOON  43.22N 113.58W
07/13/2022  M50 MPH          BLAINE             ID   MESONET          

            POTTER BUTTE RAWS. 

0456 PM     TSTM WND GST     15 W OSGOOD             43.55N 112.39W
07/13/2022  M61 MPH          BONNEVILLE         ID   MESONET          

            KETTLE BUTTE ITD. 

0500 PM     TSTM WND GST     9 SSW MUD LAKE          43.72N 112.53W
07/13/2022  M60 MPH          JEFFERSON          ID   MESONET          

            ROVER ARL. 

0506 PM     TSTM WND DMG     SHELLEY                 43.38N 112.13W
07/13/2022                   BINGHAM            ID   PUBLIC           

            PORTION OF A TREE DOWN IN SHELLEY. REPORT 
            AND PHOTO POSTED BY THE PUBLIC ON THE KIFI 
            LOCAL NEWS 8 FACEBOOK PAGE. TIME ESTIMATED 
            BASED ON RADAR. 

0519 PM     TSTM WND GST     2 NW IDAHO FALLS        43.52N 112.07W
07/13/2022  M54 MPH          BONNEVILLE         ID   ASOS             

            ASOS STATION KIDA IDAHO FALLS REGIONAL 
            AIRPORT. 

0525 PM     TSTM WND DMG     1 S IDAHO FALLS         43.48N 112.03W
07/13/2022                   BONNEVILLE         ID   PUBLIC           

            UPDATED...LARGE TREE LIMBS DOWN ON SOUTH 
            BOULEVARD NEAR E 23RD ST, KNOCKING OUT POWER 
            TO AROUND 1,400 CUSTOMERS PER IDAHO FALLS 
            POWER. 

0530 PM     TSTM WND GST     5 SSW CLEMENTSVILLE     43.81N 111.42W
07/13/2022  M64 MPH          MADISON            ID   MESONET          

            MESONET STATION PC141 CANYON CREEK. 

0541 PM     TSTM WND DMG     3 SSW ARCHER            43.68N 111.80W
07/13/2022                   JEFFERSON          ID   EMERGENCY MNGR   

            TREE FELL ON POWER LINE RESULTING IN 
            WILDFIRE. 

0600 PM     TSTM WND GST     4 S POPLAR              43.56N 111.68W
07/13/2022  M68 MPH          BONNEVILLE         ID   MESONET          

            MESONET STATION DVI04057 RIRIE. 

0600 PM     TSTM WND GST     11 SE POPLAR            43.53N 111.50W
07/13/2022  M57 MPH          BONNEVILLE         ID   MESONET          

            ITD - ANTELOPE FLATS. 

0600 PM     TSTM WND GST     8 SSW ISLAND PARK       44.33N 111.45W
07/13/2022  M50 MPH          FREMONT            ID   MESONET          

            ITD - OSBORNE BRIDGE. 

0640 PM     TSTM WND GST     3 WSW LINDSAYVILLE      42.40N 111.48W
07/13/2022  M51 MPH          BEAR LAKE          ID   MESONET          

            MESONET STATION PC215 - BARTLETT LAKE. 

0655 PM     TSTM WND GST     1 NNW BERN              42.34N 111.39W
07/13/2022  E60 MPH          BEAR LAKE          ID   CO-OP OBSERVER

Environment


Figure 1: Surface chart showing a cold front moving into Idaho which would help trigger thunderstorms.	Figure 2: Surface-based CAPE values (red) of around 2000 J/kg indicate unstable airmass over east Idaho. Better shear (green) was west of the region which is the main reason why the coverage of severe thunderstorms wasn't more widespread.	Figure 3: Downdraft CAPE aka DCAPE values of around 1500 J/kg indicate supportive environment for strong thunderstorm downdrafts.

Figure 4: Hot temperatures across East Idaho, helping to fuel afternoon thunderstorms.	Figure 5: Relatively high dew points, another ingredient promoting strong to severe thunderstorms.	Figure 6: High mid level lapse rates allowing for the moist, hot air to rise more easily.

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Snow Across the Great Lakes, Central Appalachians, and Northeast; Unsettled Weather in the West

July 13, 2022 Severe Thunderstorms