Alert archive / Idaho / Wind Advisories in 2021
Wind Advisory 5, NWS Boise, ID
NWS Boise, ID issued this wind advisory at Mar 28, 2021, 2:44 AM MDT for 7 counties in Idaho; Baker County, Oregon. It took effect at Mar 28, 2021, 3:00 PM MDT. It was in force for 15 hr.
The area
The counties it named.
The facts
- Issued
- Mar 28, 2021, 2:44 AM MDT (08:44 UTC)
- In effect from
- Mar 28, 2021, 3:00 PM MDT
- Expired
- Mar 29, 2021, 6:00 AM MDT
- In force
- 15 hr
- Issued by
- NWS Boise, ID
Counties Adams County, ID, Boise County, ID, Camas County, ID, Elmore County, ID, Gem County, ID, Valley County, ID, Washington County, ID, Baker County, OR
The radar
The Boise radar (KCBX), 81 km from the middle of the area, began a volume at 08:45 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 72 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
- 2000 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 4 m²/s²
- 0-3 km storm-relative helicity
- 105 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
053 WWUS75 KBOI 280844 NPWBOI URGENT - WEATHER MESSAGE National Weather Service Boise ID 244 AM MDT Sun Mar 28 2021 ORZ061-063-282100- /O.UPG.KBOI.WI.Y.0004.210329T0000Z-210329T0700Z/ /O.NEW.KBOI.HW.W.0002.210328T2100Z-210329T1200Z/ Harney County-Malheur County- 244 AM MDT Sun Mar 28 2021 /144 AM PDT Sun Mar 28 2021/ ...HIGH WIND WARNING IN EFFECT FROM 3 PM MDT /2 PM PDT/ THIS AFTERNOON TO 6 AM MDT /5 AM PDT/ MONDAY... * WHAT...West winds 30 to 40 mph with gusts up to 60 mph expected. * WHERE...Harney County and Malheur County. * WHEN...From 3 PM MDT /2 PM PDT/ this afternoon to 6 AM MDT /5 AM PDT/ Monday. * IMPACTS...Damaging winds may blow down trees and power lines. Power outages are possible. Travel will be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Prefrontal winds will strengthen this afternoon. A strong cold front will move through this evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. && $$ IDZ014-282100- /O.UPG.KBOI.WI.Y.0004.210329T0700Z-210329T1200Z/ /O.NEW.KBOI.HW.W.0002.210329T0600Z-210330T0300Z/ Upper Treasure Valley- 244 AM MDT Sun Mar 28 2021 ...HIGH WIND WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 9 PM MDT MONDAY... * WHAT...Northwest winds 35 to 45 mph with gusts up to 65 mph expected. * WHERE...Upper Treasure Valley. * WHEN...From midnight tonight to 9 PM MDT Monday. * IMPACTS...Damaging winds may blow down trees and power lines. Power outages are possible. Travel will be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...A strong cold front will move through tonight around midnight, bringing a brief period of very strong winds. From around mid-morning Monday until Monday evening, winds will still be strong, but not as strong as with the front. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. && $$ IDZ012-015-ORZ064-282100- /O.UPG.KBOI.WI.Y.0004.210329T0700Z-210329T1200Z/ /O.NEW.KBOI.HW.W.0002.210329T0600Z-210329T1200Z/ Lower Treasure Valley ID-Southwest Highlands- Oregon Lower Treasure Valley- 244 AM MDT Sun Mar 28 2021 /144 AM PDT Sun Mar 28 2021/ ...HIGH WIND WARNING IN EFFECT FROM MIDNIGHT MDT /11 PM PDT/ TONIGHT TO 6 AM MDT /5 AM PDT/ MONDAY... * WHAT...West winds 25 to 35 mph with gusts up to 60 mph expected. * WHERE...In Oregon, Oregon Lower Treasure Valley. In Idaho, Lower Treasure Valley ID and Southwest Highlands. * WHEN...From midnight MDT /11 PM PDT/ tonight to 6 AM MDT /5 AM PDT/ Monday. * IMPACTS...Damaging winds may blow down trees and power lines. Power outages are possible. Travel will be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...A strong cold front will move through around midnight tonight. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. && $$ IDZ029-282100- /O.UPG.KBOI.WI.Y.0004.210329T0700Z-210329T1200Z/ /O.NEW.KBOI.HW.W.0002.210328T2100Z-210329T1200Z/ Owyhee Mountains- 244 AM MDT Sun Mar 28 2021 ...HIGH WIND WARNING IN EFFECT FROM 3 PM THIS AFTERNOON TO 6 AM MDT MONDAY... * WHAT...West winds 35 to 45 mph with gusts up to 70 mph expected. * WHERE...Owyhee Mountains. * WHEN...From 3 PM this afternoon to 6 AM MDT Monday. * IMPACTS...Damaging winds may blow down trees and power lines. Power outages are possible. Travel will be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Prefrontal winds this afternoon will become strong, and the cold front is expected to pass through around midnight. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. && $$ IDZ016-030-282100- /O.UPG.KBOI.WI.Y.0004.210329T1200Z-210329T2100Z/ /O.NEW.KBOI.HW.W.0002.210329T0600Z-210330T0300Z/ Western Magic Valley-Southern Twin Falls County- 244 AM MDT Sun Mar 28 2021 ...HIGH WIND WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 9 PM MDT MONDAY... * WHAT...West winds 25 to 35 mph with gusts up to 55 mph expected. * WHERE...Western Magic Valley and Southern Twin Falls County. * WHEN...From midnight tonight to 9 PM MDT Monday. * IMPACTS...Damaging winds may blow down trees and power lines. Power outages are possible. Travel will be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...A strong cold front will move through around 3 am MDT Monday, bringing a period of strong winds. After mid-morning, winds will be weaker than overnight, but still strong enough to cause travelling issues, so the warning will extend all the way until winds weaken enough to not cause a threat. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. && $$ ORZ062-282100- /O.NEW.KBOI.WI.Y.0005.210328T2100Z-210329T1200Z/ Baker County- 144 AM PDT Sun Mar 28 2021 ...WIND ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO 5 AM PDT MONDAY... * WHAT...West winds 20 to 30 mph with gusts up to 45 mph expected. * WHERE...Baker County. * WHEN...From 2 PM this afternoon to 5 AM PDT Monday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Prefrontal winds will increase this afternoon. The strongest winds will start around 9 pm PDT as a potent cold front arrives. Winds will gradually weaken toward daybreak. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ IDZ011-013-028-033-282100- /O.NEW.KBOI.WI.Y.0005.210329T0600Z-210329T1200Z/ West Central Mountains-Boise Mountains-Camas Prairie- Upper Weiser River- 244 AM MDT Sun Mar 28 2021 ...WIND ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 6 AM MDT MONDAY... * WHAT...West winds 20 to 30 mph with gusts up to 45 mph expected. * WHERE...Portions of southwest and west central Idaho. * WHEN...From midnight tonight to 6 AM MDT Monday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...A strong cold front will move through the area tonight. Northwest facing slopes, and areas where northwest winds become channeled, will see gusts even higher than 45 mph late tonight. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
2 follow-up statements
925 WWUS75 KBOI 282029 NPWBOI URGENT - WEATHER MESSAGE National Weather Service Boise ID 229 PM MDT Sun Mar 28 2021 IDZ014-016-030-291300- /O.EXT.KBOI.HW.W.0002.210329T0600Z-210329T2100Z/ Upper Treasure Valley-Western Magic Valley- Southern Twin Falls County- 229 PM MDT Sun Mar 28 2021 ...HIGH WIND WARNING NOW IN EFFECT FROM MIDNIGHT TONIGHT TO 3 PM MDT MONDAY... * WHAT...West winds 30 to 40 mph with gusts up to 60 mph. * WHERE...Southern Twin Falls County, Upper Treasure Valley and Western Magic Valley. * WHEN...The strongest winds will occur between 11 PM and 5 AM MDT Monday. * IMPACTS...Damaging winds may blow down trees and power outages are possible. Travel will be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. && $$ IDZ029-ORZ061-063-291200- /O.CON.KBOI.HW.W.0002.210328T2100Z-210329T1200Z/ Owyhee Mountains-Harney County-Malheur County- 229 PM MDT Sun Mar 28 2021 /129 PM PDT Sun Mar 28 2021/ ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 AM MDT /5 AM PDT/ MONDAY... * WHAT...West winds 30 to 40 mph with gusts up to 60 mph expected. * WHERE...In Oregon, Harney County and Malheur County. In Idaho, Owyhee Mountains. * WHEN...Until 6 AM MDT /5 AM PDT/ Monday. * IMPACTS...Damaging winds may blow down trees and power outages are possible. Travel will be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. && $$ IDZ012-015-ORZ064-291200- /O.CON.KBOI.HW.W.0002.210329T0600Z-210329T1200Z/ Lower Treasure Valley ID-Southwest Highlands- Oregon Lower Treasure Valley- 229 PM MDT Sun Mar 28 2021 /129 PM PDT Sun Mar 28 2021/ ...HIGH WIND WARNING REMAINS IN EFFECT FROM MIDNIGHT MDT /11 PM PDT/ TONIGHT TO 6 AM MDT /5 AM PDT/ MONDAY... * WHAT...West winds 30 to 40 mph with gusts up to 60 mph expected. * WHERE...In Oregon, Oregon Lower Treasure Valley. In Idaho, Southwest Highlands and Lower Treasure Valley ID. * WHEN...The strongest winds will occur between 11 PM and 5 AM MDT Monday. * IMPACTS...Damaging winds may blow down trees and power outages are possible. Travel will be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. && $$ ORZ062-291200- /O.CON.KBOI.WI.Y.0005.210328T2100Z-210329T1200Z/ Baker County- 129 PM PDT Sun Mar 28 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 AM PDT MONDAY... * WHAT...West winds 25 to 35 mph with gusts to 45 mph. * WHERE...Baker County. * WHEN...Until 5 AM PDT 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. && $$ IDZ011-013-028-033-291200- /O.CON.KBOI.WI.Y.0005.210329T0600Z-210329T1200Z/ West Central Mountains-Boise Mountains-Camas Prairie- Upper Weiser River- 229 PM MDT Sun Mar 28 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 6 AM MDT MONDAY... * WHAT...West winds 20 to 30 mph with gusts up to 50 mph. * WHERE...Portions of southwest and west central Idaho. * WHEN...From midnight tonight to 6 AM MDT Monday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
635 WWUS75 KBOI 291203 NPWBOI URGENT - WEATHER MESSAGE National Weather Service Boise ID 603 AM MDT Mon Mar 29 2021 IDZ012-015-029-ORZ061-063-064-291315- /O.EXP.KBOI.HW.W.0002.000000T0000Z-210329T1200Z/ Lower Treasure Valley ID-Southwest Highlands-Owyhee Mountains- Harney County-Malheur County-Oregon Lower Treasure Valley- 603 AM MDT Mon Mar 29 2021 /503 AM PDT Mon Mar 29 2021/ ...HIGH WIND WARNING HAS EXPIRED... Winds have decreased this morning, and the warning has been allowed to expire on schedule. $$ IDZ011-013-028-033-ORZ062-291315- /O.EXP.KBOI.WI.Y.0005.000000T0000Z-210329T1200Z/ West Central Mountains-Boise Mountains-Camas Prairie- Upper Weiser River-Baker County- 603 AM MDT Mon Mar 29 2021 /503 AM PDT Mon Mar 29 2021/ ...WIND ADVISORY HAS EXPIRED... Winds have decreased this morning, and the warning has been allowed to expire on schedule. $$ IDZ014-016-030-292100- /O.CON.KBOI.HW.W.0002.000000T0000Z-210329T2100Z/ Upper Treasure Valley-Western Magic Valley- Southern Twin Falls County- 603 AM MDT Mon Mar 29 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 3 PM MDT THIS AFTERNOON... * WHAT...West winds 20 to 40 mph with gusts up to 55 mph. Strongest gusts will be in the Western Magic Valley zone. * WHERE...Southern Twin Falls County, Upper Treasure Valley east of Boise, and Western Magic Valley. * WHEN...Until 3 PM MDT this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Widespread power outages are possible. Travel will be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. && $$
The office that day
Everything else NWS Boise, ID issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 28, 2:44 AM MDT | High Wind Warning | BOI | Ada, Canyon, Elmore, Gem, Gooding, Jerome and 4 more | 33 hr |
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.