Alert archive / Idaho / High Wind Warnings in 2021

High Wind Warning 3, NWS Boise, ID

June 22, 202114 counties in Idaho; Malheur County, Oregon

NWS Boise, ID issued this high wind warning at Jun 22, 2021, 8:36 PM MDT for 14 counties in Idaho; Malheur County, Oregon. It was in force for 3 hr. 12 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jun 22, 2021, 8:36 PM MDT (02:36 UTC)
Expired
Jun 23, 2021, 12:00 AM MDT
In force
3 hr
Issued by
NWS Boise, ID

Counties Ada County, ID, Adams County, ID, Boise County, ID, Camas 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, Valley County, ID, Washington County, ID, Malheur County, OR

The radar

The Boise radar (KCBX), 30 km from the middle of the area, began a volume at 02:34 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.

What was reported inside it

TimeReportWhereRemark
Jun 22, 8:37 PM MDTTSTM WND GST 629 S Glenns Ferry, IDDAVIS WEATHER STATION.
Jun 22, 8:44 PM MDTTSTM WND GST 6210 Ssw Hill City, IDMESONET STATION DEHI1 DEER HAVEN.
Jun 22, 8:49 PM MDTTSTM WND GST 50Boise, IDA TRAINED SPOTTER REPORTED A LARGE TREE DOWN ACROSS CHINDEN AND EAGLE ROADS ASSOCIATED WITH A STRONG GUST FRONT - GUSTING TO 50 MPH.
Jun 22, 8:49 PM MDTTSTM WND GST 60Garden Valley, IDA TRAINED SPOTTER REPORTED MULTIPLE TREES AND POWERLINES DOWN ASSOCIATED WITH A STRONG GUST FRONT - GUSTING TO AROUND 60 MPH.
Jun 22, 8:52 PM MDTTSTM WND GST 6011 Wnw Weiser, IDMESONET STATION DEAI1 CATFISH.
Jun 22, 8:52 PM MDTNON-TSTM WND GST 481 S Mountain Home Afb, IDMESONET STATION MTHI1 MOUNTAIN HOME AFB RAWS.
Jun 22, 8:58 PM MDTTSTM WND GST 551 S Mountain Home Afb, IDAWOS STATION KMUO MOUNTAIN HOME AFB.
Jun 22, 9:15 PM MDTTSTM WND GST 523 Wsw Gooding, IDMESONET STATION KGNG GOODING MUNICIPAL AIRPORT.
Jun 22, 9:25 PM MDTTSTM WND GST 523 E Jerome, IDAWOS STATION KJER JEROME COUNTY.
Jun 22, 9:57 PM MDTTSTM WND GST 581 S Mccall, IDASOS STATION KMYL MCCALL.
Jun 22, 10:10 PM MDTTSTM WND GST 596 Ssw Twin Falls, IDKTWF.
Jun 22, 10:25 PM MDTTSTM WND GST 508 Wnw Mountain Home Afb, IDMESONET STATION TS962 7 WNW MOUNTAIN HOME AFB.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Boise Airport, ID (KBOI), launched 00:00Z, 2.6 hours before the alert went out and 25 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.

Skew-T log-pSkew-T log-p diagram, Boise Airport, ID at 00:00Z on 2021-06-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 505 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Boise Airport, ID at 00:00Z on 2021-06-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 128 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
505 J/kg
Mixed-layer CIN
-128 J/kg
Mixed-layer LCL
3069 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
128 m²/s²
0-3 km storm-relative helicity
398 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.0

Open this sounding in Storm Lab

The text

As transmitted.

108 
WWUS75 KBOI 230236
NPWBOI

URGENT - WEATHER MESSAGE
National Weather Service Boise ID
836 PM MDT Tue Jun 22 2021

IDZ029-ORZ062-063-230345-
/O.CAN.KBOI.HW.A.0001.000000T0000Z-210623T0400Z/
Owyhee Mountains-Baker County-Malheur County-
836 PM MDT Tue Jun 22 2021 /736 PM PDT Tue Jun 22 2021/

...HIGH WIND WATCH IS CANCELLED...

The watch has been cancelled. Some of the area has been upgraded
to a warning.

$$

IDZ011-013-033-230600-
/O.UPG.KBOI.HW.A.0001.000000T0000Z-210623T0400Z/
/O.NEW.KBOI.HW.W.0003.210623T0236Z-210623T0600Z/
West Central Mountains-Boise Mountains-Upper Weiser River-
836 PM MDT Tue Jun 22 2021

...HIGH WIND WARNING IN EFFECT UNTIL MIDNIGHT MDT TONIGHT...

* WHAT...Gusts up to 60 mph.

* WHERE...West Central Mountains, Boise Mountains and Upper 
  Weiser River.

* WHEN...Until midnight MDT tonight.

* IMPACTS...Damaging winds may blow down trees and power lines.
  Widespread power outages are possible. Travel will be 
  difficult, especially for high profile vehicles.

* ADDITIONAL DETAILS...Thunderstorms are also possible.

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.

&&

$$

IDZ012-014>016-028-030-ORZ064-230400-
/O.UPG.KBOI.HW.A.0001.000000T0000Z-210623T0400Z/
/O.NEW.KBOI.HW.W.0003.210623T0236Z-210623T0400Z/
Lower Treasure Valley ID-Upper Treasure Valley-
Southwest Highlands-Western Magic Valley-Camas Prairie-
Southern Twin Falls County-Oregon Lower Treasure Valley-
836 PM MDT Tue Jun 22 2021 /736 PM PDT Tue Jun 22 2021/

...HIGH WIND WARNING IN EFFECT UNTIL 10 PM MDT /9 PM PDT/ THIS
EVENING...

* WHAT...Gusts up to 60 mph.

* WHERE...Portions of southeast Oregon and south central and 
  southwest Idaho.

* WHEN...Until 10 PM MDT /9 PM PDT/ this evening.

* 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.

&&

$$
3 follow-up statements
573 
WWUS75 KBOI 230240 CCA
NPWBOI

URGENT - WEATHER MESSAGE...CORRECTED
National Weather Service Boise ID
840 PM MDT Tue Jun 22 2021

IDZ029-ORZ062-063-230345-
/O.CAN.KBOI.HW.A.0001.000000T0000Z-210623T0400Z/
Owyhee Mountains-Baker County-Malheur County-
840 PM MDT Tue Jun 22 2021 /740 PM PDT Tue Jun 22 2021/

...HIGH WIND WATCH IS CANCELLED...

The watch has been cancelled. Some of the area has been upgraded
to a warning.

$$

IDZ011-013-033-230600-
/O.UPG.KBOI.HW.A.0001.000000T0000Z-210623T0400Z/
/O.COR.KBOI.HW.W.0003.210623T0239Z-210623T0600Z/
West Central Mountains-Boise Mountains-Upper Weiser River-
840 PM MDT Tue Jun 22 2021

...HIGH WIND WARNING IN EFFECT UNTIL MIDNIGHT MDT TONIGHT...

* WHAT...Gusts up to 60 mph. Blowing dust is likely with low
  visibilities.

* WHERE...West Central Mountains, Boise Mountains and Upper 
  Weiser River.

* WHEN...Until midnight MDT tonight.

* IMPACTS...Damaging winds may blow down trees and power lines.
  Widespread power outages are possible. Travel will be 
  difficult, especially for high profile vehicles.

* ADDITIONAL DETAILS...Thunderstorms are also possible.

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.

&&

$$

IDZ012-014>016-028-030-ORZ064-230400-
/O.UPG.KBOI.HW.A.0001.000000T0000Z-210623T0400Z/
/O.COR.KBOI.HW.W.0003.210623T0240Z-210623T0400Z/
Lower Treasure Valley ID-Upper Treasure Valley-
Southwest Highlands-Western Magic Valley-Camas Prairie-
Southern Twin Falls County-Oregon Lower Treasure Valley-
840 PM MDT Tue Jun 22 2021 /740 PM PDT Tue Jun 22 2021/

...HIGH WIND WARNING IN EFFECT UNTIL 10 PM MDT /9 PM PDT/ THIS
EVENING...

* WHAT...Gusts up to 60 mph. Blowing dust is likely with low
  visibilities.

* WHERE...Portions of southeast Oregon and south central and 
  southwest Idaho.

* WHEN...Until 10 PM MDT /9 PM PDT/ this evening.

* 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.

&&

$$
944 
WWUS75 KBOI 230347
NPWBOI

URGENT - WEATHER MESSAGE
National Weather Service Boise ID
947 PM MDT Tue Jun 22 2021

IDZ012-014>016-028-030-ORZ064-230500-
/O.EXP.KBOI.HW.W.0003.000000T0000Z-210623T0400Z/
Lower Treasure Valley ID-Upper Treasure Valley-
Southwest Highlands-Western Magic Valley-Camas Prairie-
Southern Twin Falls County-Oregon Lower Treasure Valley-
947 PM MDT Tue Jun 22 2021 /847 PM PDT Tue Jun 22 2021/

...HIGH WIND WARNING WILL EXPIRE AT 10 PM MDT /9 PM PDT/ THIS
EVENING...

Winds have decreased and the high wind warning will be allowed to
expire at 10 pm MDT.

$$

IDZ011-013-033-230600-
/O.CON.KBOI.HW.W.0003.000000T0000Z-210623T0600Z/
West Central Mountains-Boise Mountains-Upper Weiser River-
947 PM MDT Tue Jun 22 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT
TONIGHT...

* WHAT...Gusts up to 60 mph. Blowing dust is likely with low
  visibilities. In addition, thunderstorms are moving north
  through the warning area and may create localized winds above 60
  mph.

* WHERE...West Central Mountains, Boise Mountains and Upper 
  Weiser River.

* WHEN...Until midnight MDT tonight.

* IMPACTS...Damaging winds may blow down trees and power lines. 
  Widespread power outages are possible. Travel will be 
  difficult, especially for high profile vehicles.

* ADDITIONAL DETAILS...Thunderstorms are also possible.

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.

&&

$$
989 
WWUS75 KBOI 230547
NPWBOI

URGENT - WEATHER MESSAGE
National Weather Service Boise ID
1147 PM MDT Tue Jun 22 2021

IDZ011-013-033-230700-
/O.EXP.KBOI.HW.W.0003.000000T0000Z-210623T0600Z/
West Central Mountains-Boise Mountains-Upper Weiser River-
1147 PM MDT Tue Jun 22 2021

...HIGH WIND WARNING WILL EXPIRE AT MIDNIGHT MDT TONIGHT...

The high winds experienced over the past few hours have decreased.
Therefore the warning will be allowed to expire at midnight MDT.
High winds are possible again tomorrow as showers and storms form
in a hot environment.

$$

The office that day

Everything else NWS Boise, ID issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 22, 6:08 PM MDTSevere Thunderstorm WarningBOIOwyhee36 min
Jun 22, 6:40 PM MDTSevere Thunderstorm WarningBOIAda, Canyon, Owyhee50 min
Jun 22, 7:14 PM MDTDust Storm WarningBOIAda, Boise, Canyon, Gem, Payette31 min
Jun 22, 7:35 PM MDTDust Storm WarningBOIAda, Elmore, Owyhee55 min
Jun 22, 7:45 PM MDTDust Storm WarningBOIAdams, Boise, Camas, Elmore, Gem, Payette and 2 more90 min
Jun 22, 7:55 PM MDTSpecial Weather StatementBOIAda, Canyon, Payette50 min
Jun 22, 9:16 PM MDTSpecial Weather StatementBOIAdams59 min
Jun 22, 9:35 PM MDTSpecial Weather StatementBOIValley40 min
Jun 22, 10:46 PM MDTSpecial Weather StatementBOIAdams59 min
Jun 23, 8:07 AM MDTRed Flag WarningBOIOwyhee, Twin Falls14 hr
Jun 23, 2:33 PM MDTExcessive Heat WatchBOIAda, Adams, Boise, Camas, Canyon, Elmore and 8 more24 hr
Jun 23, 4:56 PM MDTSpecial Weather StatementBOIOwyhee34 min
Jun 23, 5:18 PM MDTSevere Thunderstorm WarningBOIElmore, Owyhee42 min
Jun 23, 4:22 PM MDTSpecial Weather StatementBOIMalheur23 min

Nearby

High Wind Warnings in Idaho, 2021High Wind Warnings in Oregon, 2021Every high wind warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.