Alert archive / Idaho / Wind Advisories in 2021
Wind Advisory 15, NWS Boise, ID
NWS Boise, ID issued this wind advisory at Oct 23, 2021, 2:42 AM MDT for 8 counties in Idaho; Baker County, Harney County, Malheur County, Oregon. It took effect at Oct 24, 2021, 9:00 AM MDT. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Oct 23, 2021, 2:42 AM MDT (08:42 UTC)
- In effect from
- Oct 24, 2021, 9:00 AM MDT
- Expired
- Oct 24, 2021, 9:00 PM MDT
- In force
- 12 hr
- Issued by
- NWS Boise, ID
Counties Ada County, ID, Canyon County, ID, Elmore County, ID, Gem County, ID, Owyhee County, ID, Payette County, ID, Twin Falls County, ID, Washington County, ID, Baker County, OR, Harney County, OR, Malheur County, OR
The radar
The Boise radar (KCBX), 36 km from the middle of the area, began a volume at 08:48 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 00:00Z, 8.7 hours before the alert went out and 39 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
- 835 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- -123 m²/s²
- 0-3 km storm-relative helicity
- -99 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
126 WWUS75 KBOI 230842 NPWBOI URGENT - WEATHER MESSAGE National Weather Service Boise ID 242 AM MDT Sat Oct 23 2021 IDZ015-029-030-ORZ061>063-231645- /O.NEW.KBOI.WI.Y.0015.211024T1800Z-211025T0300Z/ Southwest Highlands-Owyhee Mountains-Southern Twin Falls County- Harney County-Baker County-Malheur County- 242 AM MDT Sat Oct 23 2021 /142 AM PDT Sat Oct 23 2021/ ...WIND ADVISORY IN EFFECT FROM NOON MDT /11 AM PDT/ TO 9 PM MDT /8 PM PDT/ SUNDAY... * WHAT...South winds 25 to 35 mph with gusts up to 55 mph expected. * WHERE...Portions of northeast and southeast Oregon and south central and southwest Idaho. * WHEN...From noon MDT /11 AM PDT/ to 9 PM MDT /8 PM PDT/ Sunday. * IMPACTS...Gusty winds could blow unsecured objects around. Tree limbs could be blown down and power outages may result. * ADDITIONAL DETAILS...Heavy rain will create an additional travel hazard. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
4 follow-up statements
250 WWUS75 KBOI 232029 NPWBOI URGENT - WEATHER MESSAGE National Weather Service Boise ID 229 PM MDT Sat Oct 23 2021 IDZ015-029-030-ORZ061>063-241300- /O.EXT.KBOI.WI.Y.0015.211024T1500Z-211025T0300Z/ Southwest Highlands-Owyhee Mountains-Southern Twin Falls County- Harney County-Baker County-Malheur County- 229 PM MDT Sat Oct 23 2021 /129 PM PDT Sat Oct 23 2021/ ...WIND ADVISORY NOW IN EFFECT FROM 9 AM MDT /8 AM PDT/ TO 9 PM MDT /8 PM PDT/ SUNDAY... * WHAT...South to southeast winds 25 to 35 mph with gusts up to 55 mph expected. * WHERE...Portions of northeast and southeast Oregon and south central and southwest Idaho. * WHEN...From 9 AM MDT /8 AM PDT/ to 9 PM MDT /8 PM PDT/ Sunday. * IMPACTS...Gusty winds could blow unsecured objects around and produce power outages. Travel will be difficult, especially in high profile vehicles. * ADDITIONAL DETAILS...Periods of heavy rain will create an additional travel hazard. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
012 WWUS75 KBOI 240822 NPWBOI URGENT - WEATHER MESSAGE National Weather Service Boise ID 222 AM MDT Sun Oct 24 2021 IDZ012-014-242100- /O.EXA.KBOI.WI.Y.0015.211024T1500Z-211025T0300Z/ Lower Treasure Valley ID-Upper Treasure Valley- 222 AM MDT Sun Oct 24 2021 ...WIND ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 9 PM MDT THIS EVENING... * WHAT...South to southeast winds 25 to 35 mph with gusts up to 55 mph expected. * WHERE...Lower Treasure Valley ID and Upper Treasure Valley. * WHEN...From 9 AM MDT /8 AM PDT/ to 9 PM MDT /8 PM PDT/ Sunday. * IMPACTS...Gusty winds could blow unsecured objects around and cause power outages. Travel will be difficult, especially in high profile vehicles. * ADDITIONAL DETAILS...Periods of heavy rain will create an additional travel hazard. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ IDZ015-029-030-ORZ061>063-242100- /O.CON.KBOI.WI.Y.0015.211024T1500Z-211025T0300Z/ Southwest Highlands-Owyhee Mountains-Southern Twin Falls County- Harney County-Baker County-Malheur County- 222 AM MDT Sun Oct 24 2021 /122 AM PDT Sun Oct 24 2021/ ...WIND ADVISORY REMAINS IN EFFECT FROM 9 AM MDT /8 AM PDT/ THIS MORNING TO 9 PM MDT /8 PM PDT/ THIS EVENING... * WHAT...South to southeast winds 25 to 35 mph with gusts up to 55 mph expected. * WHERE...Portions of northeast and southeast Oregon and south central and southwest Idaho. * WHEN...From 9 AM MDT /8 AM PDT/ to 9 PM MDT /8 PM PDT/ Sunday. * IMPACTS...Gusty winds could blow unsecured objects around and cause power outages. Travel will be difficult, especially in high profile vehicles. * ADDITIONAL DETAILS...Periods of heavy rain will create an additional travel hazard. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
590 WWUS75 KBOI 242046 NPWBOI URGENT - WEATHER MESSAGE National Weather Service Boise ID 246 PM MDT Sun Oct 24 2021 IDZ012-014-015-029-030-ORZ061>063-250300- /O.CON.KBOI.WI.Y.0015.000000T0000Z-211025T0300Z/ Lower Treasure Valley ID-Upper Treasure Valley- Southwest Highlands-Owyhee Mountains-Southern Twin Falls County- Harney County-Baker County-Malheur County- 246 PM MDT Sun Oct 24 2021 /146 PM PDT Sun Oct 24 2021/ ...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT /8 PM PDT/ THIS EVENING... * WHAT...Sustained winds to around 30 mph with gusts to 45 mph. Higher gusts to 55 mph across southern Harney county. * WHERE...Portions of northeast and southeast Oregon and south central and southwest Idaho. * WHEN...Until 9 PM MDT /8 PM PDT/ this evening. * IMPACTS...Gusty winds could blow unsecured objects around. Travel will be difficult, especially in high profile vehicles. * ADDITIONAL DETAILS...Periods of heavy rain will create an additional travel hazard. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
587 WWUS75 KBOI 250246 NPWBOI URGENT - WEATHER MESSAGE National Weather Service Boise ID 846 PM MDT Sun Oct 24 2021 IDZ012-014-015-029-030-ORZ061>063-250400- /O.EXP.KBOI.WI.Y.0015.000000T0000Z-211025T0300Z/ Lower Treasure Valley ID-Upper Treasure Valley- Southwest Highlands-Owyhee Mountains-Southern Twin Falls County- Harney County-Baker County-Malheur County- 846 PM MDT Sun Oct 24 2021 /746 PM PDT Sun Oct 24 2021/ ...WIND ADVISORY WILL EXPIRE AT 9 PM MDT /8 PM PDT/ THIS EVENING... Winds have subsided below advisory criteria. However, wind gusts of 20-30 mph will be possible overnight. $$
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.