Threat for severe thunderstorms Friday
The Storm Prediction Center in Norman, Oklahoma has issued a marginal risk for severe thunderstorms in Southern Idaho and Western Wyoming.
Friday’s weather pattern for our region is looking very active. An upper level low over California and Nevada, along with a cold front, will lead to thunderstorm development in the afternoon hours.
Storms with heavy rain and hail are possible in the afternoon and evening hours.
Expect widespread showers and thunderstorms overnight into Saturday morning.
No Watches or Warnings have been issued yet, this is just the Friday outlook from the SPC.
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NWS STORM PREDICTION CENTER NORMAN OK VALID 061200Z – 071200Z …THERE IS A MRGL RISK OF SVR TSTMS ACROSS PARTS OF THE INTERMOUNTAIN WEST…CNTRL ROCKIES AND NRN HIGH PLAINS… …SUMMARY… SCATTERED THUNDERSTORMS…A FEW SEVERE WITH HAIL…ARE EXPECTED ACROSS THE INTERIOR WEST FROM PARTS OF SOUTHEASTERN OREGON EASTWARD INTO SOUTHERN WYOMING AND FAR WESTERN NEBRASKA. …INTERMOUNTAIN WEST/CNTRL ROCKIES/NRN HIGH PLAINS… AN UPPER-LEVEL LOW IS FORECAST TO MOVE EWD INTO THE SWRN U.S. ON FRIDAY AS A COLD FRONT ADVANCES SWD ACROSS THE NWRN AND NCNTRL STATES. THE FRONT IS FORECAST TO BE LOCATED FROM ERN ORE EXTENDING EWD INTO SRN WY AND FAR NWRN NEB BY FRIDAY AFTERNOON. AS SFC HEATING TAKES PLACE ON FRIDAY…SCATTERED THUNDERSTORMS WILL LIKELY DEVELOP ALONG THE BOUNDARY WITH A GRADUAL EXPANSION OF CONVECTIVE COVERAGE DURING THE AFTERNOON. INCREASING INSTABILITY COMBINED WITH STEEP LAPSE RATES AND COLD AIR ALOFT ASSOCIATED WITH THE UPPER-LEVEL LOW WILL MAKE HAIL A POSSIBILITY WITH THE STRONGER UPDRAFTS. INSTABILITY IS NOT FORECAST TO BE STRONG ENOUGH FOR A SUBSTANTIAL SEVERE WEATHER THREAT AND THE POTENTIAL FOR HAIL SHOULD REMAIN ISOLATED.
