Alert archive / Idaho / Wind Advisories in 2021
Wind Advisory 9, NWS Boise, ID
NWS Boise, ID issued this wind advisory at Apr 12, 2021, 2:05 AM MDT for Gooding County, Jerome County, Twin Falls County, Idaho. It took effect at Apr 13, 2021, 12:00 PM MDT. It was in force for 11 hr.
The area
The counties it named.
The facts
- Issued
- Apr 12, 2021, 2:05 AM MDT (08:05 UTC)
- In effect from
- Apr 13, 2021, 12:00 PM MDT
- Expired
- Apr 13, 2021, 10:43 PM MDT
- In force
- 11 hr
- Issued by
- NWS Boise, ID
Counties Gooding County, ID, Jerome County, ID, Twin Falls County, ID
The radar
The Pocatello radar (KSFX), 162 km from the middle of the area, began a volume at 08:07 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, 8.1 hours before the alert went out and 165 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
- 2783 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- -25 m²/s²
- 0-3 km storm-relative helicity
- 13 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
614 WWUS75 KBOI 120805 NPWBOI URGENT - WEATHER MESSAGE National Weather Service Boise ID 205 AM MDT Mon Apr 12 2021 IDZ016-122030- /O.NEW.KBOI.WI.Y.0009.210413T1800Z-210414T0300Z/ Western Magic Valley- 205 AM MDT Mon Apr 12 2021 ...WIND ADVISORY IN EFFECT FROM NOON TO 9 PM MDT TUESDAY... * WHAT...Sustained east or northeast winds near 30 mph with gusts to 45 mph expected. * WHERE...Western Magic Valley. * WHEN...From noon to 9 PM MDT Tuesday. * IMPACTS...Gusty winds could blow unsecured objects around. Tree limbs could be blown down. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
4 follow-up statements
927 WWUS75 KBOI 121935 NPWBOI URGENT - WEATHER MESSAGE National Weather Service Boise ID 135 PM MDT Mon Apr 12 2021 IDZ016-131200- /O.CON.KBOI.WI.Y.0009.210413T1800Z-210414T0300Z/ Western Magic Valley- 135 PM MDT Mon Apr 12 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM NOON TO 9 PM MDT TUESDAY... * WHAT...East winds 25 to 35 mph with gusts up to 45 mph expected. * WHERE...Western Magic Valley. * WHEN...From noon to 9 PM MDT Tuesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
481 WWUS75 KBOI 130807 NPWBOI URGENT - WEATHER MESSAGE National Weather Service Boise ID 207 AM MDT Tue Apr 13 2021 IDZ016-132030- /O.EXT.KBOI.WI.Y.0009.210413T1800Z-210414T0600Z/ Western Magic Valley- 207 AM MDT Tue Apr 13 2021 ...WIND ADVISORY NOW IN EFFECT FROM NOON TODAY TO MIDNIGHT MDT TONIGHT... * WHAT...East or northeast winds around 30 mph with gusts 40 to 45 mph. * WHERE...Western Magic Valley. * WHEN...From noon today to midnight MDT tonight. * IMPACTS...Gusty winds could blow unsecured objects around. Tree limbs could be blown down. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
304 WWUS75 KBOI 132056 NPWBOI URGENT - WEATHER MESSAGE National Weather Service Boise ID 256 PM MDT Tue Apr 13 2021 IDZ016-140600- /O.CON.KBOI.WI.Y.0009.000000T0000Z-210414T0600Z/ Western Magic Valley- 256 PM MDT Tue Apr 13 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... * WHAT...East or northeast winds around 30 mph with gusts 40 to 45 mph. * WHERE...Western Magic Valley. * WHEN...From noon today to midnight MDT tonight. * IMPACTS...Gusty winds could blow unsecured objects around. Tree limbs could be blown down. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
046 WWUS75 KBOI 140443 NPWBOI URGENT - WEATHER MESSAGE National Weather Service Boise ID 1043 PM MDT Tue Apr 13 2021 IDZ016-140545- /O.CAN.KBOI.WI.Y.0009.000000T0000Z-210414T0600Z/ Western Magic Valley- 1043 PM MDT Tue Apr 13 2021 ...WIND ADVISORY IS CANCELLED... Wind across the impacted area has diminished this evening. While a few isolated stronger gusts remain possible tonight, the widespread threat for strong wind has ended. Therefore, the Wind Advisory has been cancelled. $$
Nearby
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.