Alert archive / Idaho / Wind Advisories in 2021
Wind Advisory 13, NWS Boise, ID
NWS Boise, ID issued this wind advisory at Sep 27, 2021, 1:01 PM PDT for Baker County, Malheur County, Oregon; 11 counties in Idaho. It took effect at Sep 27, 2021, 7:16 PM PDT. It was in force for 14 hr.
The area
The counties it named.
The facts
- Issued
- Sep 27, 2021, 1:01 PM PDT (20:01 UTC)
- In effect from
- Sep 27, 2021, 7:16 PM PDT
- Expired
- Sep 28, 2021, 9:00 AM PDT
- In force
- 14 hr
- Issued by
- NWS Boise, ID
Counties Ada County, ID, Adams County, ID, Canyon County, ID, Elmore County, ID, Gem County, ID, Gooding County, ID, Jerome County, ID, Owyhee County, ID, Payette County, ID, Twin Falls County, ID, Washington County, ID, Baker County, OR, Malheur County, OR
The radar
The Boise radar (KCBX), 11 km from the middle of the area, began a volume at 20:02 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, 8.0 hours before the alert went out and 4 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
- 3321 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- -80 m²/s²
- 0-3 km storm-relative helicity
- 123 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
534 WWUS75 KBOI 272001 NPWBOI URGENT - WEATHER MESSAGE National Weather Service Boise ID 201 PM MDT Mon Sep 27 2021 IDZ012-033-ORZ062>064-281200- /O.NEW.KBOI.WI.Y.0013.210928T0500Z-210928T1200Z/ Lower Treasure Valley ID-Upper Weiser River-Baker County- Malheur County-Oregon Lower Treasure Valley- 201 PM MDT Mon Sep 27 2021 /101 PM PDT Mon Sep 27 2021/ ...WIND ADVISORY IN EFFECT FROM 11 PM MDT /10 PM PDT/ THIS EVENING TO 6 AM MDT /5 AM PDT/ TUESDAY... * WHAT...Northwest winds 15 to 25 mph with gusts up to 45 mph along a cold front expected. * WHERE...Portions of northeast and southeast Oregon and southwest and west central Idaho. * WHEN...From 11 PM MDT /10 PM PDT/ this evening to 6 AM MDT /5 AM PDT/ 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. && $$ IDZ014-016-281215- /O.NEW.KBOI.WI.Y.0013.210928T0900Z-210928T1600Z/ Upper Treasure Valley-Western Magic Valley- 201 PM MDT Mon Sep 27 2021 ...WIND ADVISORY IN EFFECT FROM 3 AM TO 10 AM MDT TUESDAY... * WHAT...West winds 20 to 30 mph with gusts up to 40 to 50 mph along a cold front expected. * WHERE...Upper Treasure Valley and Western Magic Valley. * WHEN...From 3 AM to 10 AM MDT Tuesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
3 follow-up statements
871 WWUS75 KBOI 280216 NPWBOI URGENT - WEATHER MESSAGE National Weather Service Boise ID 816 PM MDT Mon Sep 27 2021 IDZ012-033-ORZ062>064-281200- /O.EXT.KBOI.WI.Y.0013.210928T0216Z-210928T1200Z/ Lower Treasure Valley ID-Upper Weiser River-Baker County- Malheur County-Oregon Lower Treasure Valley- 816 PM MDT Mon Sep 27 2021 /716 PM PDT Mon Sep 27 2021/ ...WIND ADVISORY NOW IN EFFECT UNTIL 6 AM MDT /5 AM PDT/ TUESDAY... * WHAT...Northwest winds 20 to 30 mph with gusts up to around 45 mph along a cold front. * WHERE...Portions of southeast Oregon and southwest Idaho. * WHEN...Until 6 AM MDT /5 AM PDT/ 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. && $$ IDZ014-016-281215- /O.CON.KBOI.WI.Y.0013.210928T0900Z-210928T1600Z/ Upper Treasure Valley-Western Magic Valley- 816 PM MDT Mon Sep 27 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 3 AM TO 10 AM MDT TUESDAY... * WHAT...West winds 20 to 30 mph with gusts up to around 45 mph along a cold front. * WHERE...Upper Treasure Valley and Western Magic Valley. * WHEN...From 3 AM to 10 AM MDT Tuesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
368 WWUS75 KBOI 281144 NPWBOI URGENT - WEATHER MESSAGE National Weather Service Boise ID 544 AM MDT Tue Sep 28 2021 IDZ012-033-ORZ062>064-281245- /O.EXP.KBOI.WI.Y.0013.000000T0000Z-210928T1200Z/ Lower Treasure Valley ID-Upper Weiser River-Baker County- Malheur County-Oregon Lower Treasure Valley- 544 AM MDT Tue Sep 28 2021 /444 AM PDT Tue Sep 28 2021/ ...WIND ADVISORY WILL EXPIRE AT 6 AM MDT /5 AM PDT/ EARLY THIS MORNING... Winds have decreased below advisory level and therefore the advisory will be allowed to expire on schedule. $$ IDZ014-016-281600- /O.CON.KBOI.WI.Y.0013.000000T0000Z-210928T1600Z/ Upper Treasure Valley-Western Magic Valley- 544 AM MDT Tue Sep 28 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM MDT THIS MORNING... * WHAT...West winds 20 to 30 mph with gusts around 45 mph. * WHERE...Upper Treasure Valley and Western Magic Valley. * WHEN...From 3 AM to 10 AM MDT Tuesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
332 WWUS75 KBOI 281557 NPWBOI URGENT - WEATHER MESSAGE National Weather Service Boise ID 957 AM MDT Tue Sep 28 2021 IDZ014-016-281700- /O.EXP.KBOI.WI.Y.0013.000000T0000Z-210928T1600Z/ Upper Treasure Valley-Western Magic Valley- 957 AM MDT Tue Sep 28 2021 ...WIND ADVISORY WILL EXPIRE AT 10 AM MDT THIS MORNING... Northwest winds will still gust to 20 mph in the Upper Treasure Valley and west to 30 MPH in the western Magic Valley today, then decrease early this evening. $$
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.