Alert archive / Idaho / Wind Advisories in 2021
Wind Advisory 18, NWS Boise, ID
NWS Boise, ID issued this wind advisory at Dec 12, 2021, 1:29 PM PST for Harney County, Malheur County, Oregon; 4 counties in Idaho. It took effect at Dec 13, 2021, 10:00 AM PST. It was in force for 24 hr.
The area
The counties it named.
The facts
- Issued
- Dec 12, 2021, 1:29 PM PST (21:29 UTC)
- In effect from
- Dec 13, 2021, 10:00 AM PST
- Expired
- Dec 14, 2021, 10:00 AM PST
- In force
- 24 hr
- Issued by
- NWS Boise, ID
Counties Gooding County, ID, Jerome County, ID, Owyhee County, ID, Twin Falls County, ID, Harney County, OR, Malheur County, OR
The radar
The Boise radar (KCBX), 77 km from the middle of the area, began a volume at 21:30 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Boise Airport, ID (KBOI), launched 12:00Z, 9.5 hours before the alert went out and 85 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 661 m above ground
- 0-6 km bulk shear
- 81 kt
- 0-1 km storm-relative helicity
- 307 m²/s²
- 0-3 km storm-relative helicity
- 402 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
511 WWUS75 KBOI 122129 NPWBOI URGENT - WEATHER MESSAGE National Weather Service Boise ID 229 PM MST Sun Dec 12 2021 ORZ061-063-130600- /O.NEW.KBOI.WI.Y.0018.211213T1800Z-211214T0600Z/ Harney County-Malheur County- 229 PM MST Sun Dec 12 2021 /129 PM PST Sun Dec 12 2021/ ...WIND ADVISORY IN EFFECT FROM 11 AM MST /10 AM PST/ TO 11 PM MST /10 PM PST/ MONDAY... * WHAT...South winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...Harney County and Malheur County. * WHEN...From 11 AM MST /10 AM PST/ to 11 PM MST /10 PM PST/ Monday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ IDZ015-029-030-130600- /O.NEW.KBOI.WI.Y.0018.211214T0000Z-211214T1200Z/ Southwest Highlands-Owyhee Mountains-Southern Twin Falls County- 229 PM MST Sun Dec 12 2021 ...WIND ADVISORY IN EFFECT FROM 5 PM MONDAY TO 5 AM MST TUESDAY... * WHAT...South winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...Southwest Highlands, Owyhee Mountains and Southern Twin Falls County. * WHEN...From 5 PM Monday to 5 AM MST Tuesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
6 follow-up statements
468 WWUS75 KBOI 130513 NPWBOI URGENT - WEATHER MESSAGE National Weather Service Boise ID 1013 PM MST Sun Dec 12 2021 ORZ061-063-131400- /O.CON.KBOI.WI.Y.0018.211213T1800Z-211214T0600Z/ Harney County-Malheur County- 1013 PM MST Sun Dec 12 2021 /913 PM PST Sun Dec 12 2021/ ...WIND ADVISORY REMAINS IN EFFECT FROM 11 AM MST /10 AM PST/ TO 11 PM MST /10 PM PST/ MONDAY... * WHAT...South winds 25 to 35 mph with gusts up to 50 mph. * WHERE...Harney County and Malheur County. * WHEN...From 11 AM MST /10 AM PST/ to 11 PM MST /10 PM PST/ Monday. * IMPACTS...Gusty winds could blow unsecured objects around. Tree limbs could be blown down and power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ IDZ015-029-030-131400- /O.CON.KBOI.WI.Y.0018.211214T0000Z-211214T1200Z/ Southwest Highlands-Owyhee Mountains-Southern Twin Falls County- 1013 PM MST Sun Dec 12 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 5 PM MONDAY TO 5 AM MST TUESDAY... * WHAT...South or southeast winds 25 to 35 mph with gusts up to 50 mph. * WHERE...Southwest Highlands, Owyhee Mountains and Southern Twin Falls County. * WHEN...From 5 PM Monday to 5 AM MST Tuesday. * IMPACTS...Gusty winds could blow unsecured objects around. Tree limbs could be blown down and power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
678 WWUS75 KBOI 130957 NPWBOI URGENT - WEATHER MESSAGE National Weather Service Boise ID 257 AM MST Mon Dec 13 2021 ORZ061-063-132200- /O.CON.KBOI.WI.Y.0018.211213T1800Z-211214T0600Z/ Harney County-Malheur County- 257 AM MST Mon Dec 13 2021 /157 AM PST Mon Dec 13 2021/ ...WIND ADVISORY REMAINS IN EFFECT FROM 11 AM MST /10 AM PST/ THIS MORNING TO 11 PM MST /10 PM PST/ THIS EVENING... * WHAT...South winds 25 to 35 mph with gusts up to 50 mph. * WHERE...Harney County and Malheur County. * WHEN...From 11 AM MST /10 AM PST/ to 11 PM MST /10 PM PST/ Monday. * IMPACTS...Gusty winds could blow unsecured objects around. Tree limbs could be blown down and power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ IDZ015-029-030-132200- /O.CON.KBOI.WI.Y.0018.211214T0000Z-211214T1200Z/ Southwest Highlands-Owyhee Mountains-Southern Twin Falls County- 257 AM MST Mon Dec 13 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 AM MST TUESDAY... * WHAT...South winds 25 to 35 mph with gusts up to 50 mph. * WHERE...Southwest Highlands, Owyhee Mountains and Southern Twin Falls County. * WHEN...From 5 PM Monday to 5 AM MST Tuesday. * IMPACTS...Gusty winds could blow unsecured objects around. Tree limbs could be blown down and power outages may result. * ADDITIONAL DETAILS...A cold front will arrive early Tuesday morning, creating brief periods of snow and blowing snow with reductions in visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
270 WWUS75 KBOI 132101 NPWBOI URGENT - WEATHER MESSAGE National Weather Service Boise ID 201 PM MST Mon Dec 13 2021 IDZ016-140615- /O.EXA.KBOI.WI.Y.0018.211214T0000Z-211214T1200Z/ Western Magic Valley- 201 PM MST Mon Dec 13 2021 ...WIND ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 AM MST TUESDAY... * WHAT...South winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...Western Magic Valley south of Interstate 84. * WHEN...From 5 PM this afternoon to 5 AM MST Tuesday. * IMPACTS...Gusty winds could blow unsecured objects around. Travel for high-profile vehicles could be difficult, especially on east-west roads. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ ORZ061-063-140600- /O.CON.KBOI.WI.Y.0018.000000T0000Z-211214T0600Z/ Harney County-Malheur County- 201 PM MST Mon Dec 13 2021 /101 PM PST Mon Dec 13 2021/ ...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST /10 PM PST/ THIS EVENING... * WHAT...South winds 25 to 35 mph with gusts up to 50 mph. * WHERE...Harney County and Malheur County. * WHEN...Until 11 PM MST /10 PM PST/ this evening. * IMPACTS...Gusty winds could blow unsecured objects around. Travel for high profile vehicles could be difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ IDZ015-029-030-140615- /O.CON.KBOI.WI.Y.0018.211214T0000Z-211214T1200Z/ Southwest Highlands-Owyhee Mountains-Southern Twin Falls County- 201 PM MST Mon Dec 13 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 AM MST TUESDAY... * WHAT...South winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...Southern Twin Falls County, Owyhee Mountains and Southwest Highlands. * WHEN...From 5 PM this afternoon to 5 AM MST Tuesday. * IMPACTS...Gusty winds could blow unsecured objects around. Travel for high profile vehicles could be difficult. * ADDITIONAL DETAILS...A cold front will arrive early Tuesday morning, creating brief periods of snow and blowing snow with reductions in visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
111 WWUS75 KBOI 140543 NPWBOI URGENT - WEATHER MESSAGE National Weather Service Boise ID 1043 PM MST Mon Dec 13 2021 ORZ061-063-140645- /O.EXP.KBOI.WI.Y.0018.000000T0000Z-211214T0600Z/ Harney County-Malheur County- 1043 PM MST Mon Dec 13 2021 /943 PM PST Mon Dec 13 2021/ ...WIND ADVISORY WILL EXPIRE AT 11 PM MST /10 PM PST/ THIS EVENING... Gusty winds will diminish after a cold front passes to the east of the area. $$ IDZ016-141200- /O.CON.KBOI.WI.Y.0018.000000T0000Z-211214T1200Z/ Western Magic Valley- 1043 PM MST Mon Dec 13 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY... * WHAT...Southeast winds 20 to 30 mph with gusts up to 50 mph. * WHERE...Western Magic Valley. * WHEN...Until 5 AM MST Tuesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ IDZ015-029-030-141200- /O.CON.KBOI.WI.Y.0018.000000T0000Z-211214T1200Z/ Southwest Highlands-Owyhee Mountains-Southern Twin Falls County- 1043 PM MST Mon Dec 13 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY... * WHAT...South winds 20 to 30 mph with gusts up to 50 mph. * WHERE...Southern Twin Falls County, Owyhee Mountains and Southwest Highlands. * WHEN...Until 5 AM MST Tuesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Winds will shift to the Northwest and diminish after the cold front moves east of the area tomorrow morning. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
900 WWUS75 KBOI 141153 NPWBOI URGENT - WEATHER MESSAGE National Weather Service Boise ID 453 AM MST Tue Dec 14 2021 IDZ015-029-141300- /O.CAN.KBOI.WI.Y.0018.000000T0000Z-211214T1200Z/ Southwest Highlands-Owyhee Mountains- 453 AM MST Tue Dec 14 2021 ...WIND ADVISORY IS CANCELLED... The Wind Advisory was set to expire at 5 am MST, and has been cancelled. We have extended the wind advisory to the east covering much of Twin Falls County. $$ IDZ016-141800- /O.EXT.KBOI.WI.Y.0018.000000T0000Z-211214T1800Z/ Western Magic Valley- 453 AM MST Tue Dec 14 2021 ...WIND ADVISORY NOW IN EFFECT UNTIL 11 AM MST THIS MORNING... * WHAT...Southeast winds 25 to 40 mph with gusts up to 50 mph. Isolated gusts over 60 mph. * WHERE...Most of northern Twin Falls County. Southern Twin Falls County is handled in the following segment. * WHEN...Until 11 AM MST this morning. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Driving high profile vehicles could become difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ IDZ030-141800- /O.EXT.KBOI.WI.Y.0018.000000T0000Z-211214T1800Z/ Southern Twin Falls County- 453 AM MST Tue Dec 14 2021 ...WIND ADVISORY NOW IN EFFECT UNTIL 11 AM MST THIS MORNING... * WHAT...Southeast winds 25 to 40 mph with gusts up to 50 mph. Isolated gusts over 60 mph. * WHERE...Southern Twin Falls County. * WHEN...Until 11 AM MST this morning. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Driving high profile vehicles could become difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
889 WWUS75 KBOI 141752 NPWBOI URGENT - WEATHER MESSAGE National Weather Service Boise ID 1052 AM MST Tue Dec 14 2021 IDZ016-141900- /O.EXP.KBOI.WI.Y.0018.000000T0000Z-211214T1800Z/ Western Magic Valley- 1052 AM MST Tue Dec 14 2021 ...WIND ADVISORY WILL EXPIRE AT 11 AM MST THIS MORNING... Winds will remain breezy today, but have diminished below Advisory criteria. $$ IDZ030-141900- /O.EXP.KBOI.WI.Y.0018.000000T0000Z-211214T1800Z/ Southern Twin Falls County- 1052 AM MST Tue Dec 14 2021 ...WIND ADVISORY WILL EXPIRE AT 11 AM MST THIS MORNING... Winds will remain breezy today, but have diminished below Advisory criteria. $$
Nearby
Wind Advisories in Idaho, 2021Wind Advisories in Oregon, 2021Every wind advisory in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.