Alert archive / Idaho / Wind Advisories in 2012

Wind Advisory 13, NWS Boise, ID

April 13, 20124 counties in Idaho

NWS Boise, ID issued this wind advisory at Apr 13, 2012, 2:12 PM MDT for 4 counties in Idaho. It took effect at Apr 14, 2012, 2:00 PM MDT. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Apr 13, 2012, 2:12 PM MDT (20:12 UTC)
In effect from
Apr 14, 2012, 2:00 PM MDT
Expired
Apr 14, 2012, 8:00 PM MDT
In force
6 hr
Issued by
NWS Boise, ID

Counties Ada County, ID, Elmore County, ID, Owyhee County, ID, Twin Falls County, ID

The radar

The Boise radar (KCBX), 78 km from the middle of the area, began a volume at 20:13 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, 8.2 hours before the alert went out and 84 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 12:00Z on 2012-04-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2012-04-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 107 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1441 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
107 m²/s²
0-3 km storm-relative helicity
140 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

749 
WWUS75 KBOI 132012
NPWBOI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BOISE ID
212 PM MDT FRI APR 13 2012

...VERY WINDY SATURDAY AFTERNOON...

.GUSTY NORTHWEST WINDS WILL DEVELOP SATURDAY AFTERNOON IN SOUTH-
CENTRAL IDAHO AS A LOW PRESSURE SYSTEM MOVES ACROSS THE SOUTHERN
GREAT BASIN.

IDZ014-015-030-140500-
/O.NEW.KBOI.WI.Y.0013.120414T2000Z-120415T0200Z/
UPPER TREASURE VALLEY-SOUTHWEST HIGHLANDS-
SOUTHERN TWIN FALLS COUNTY-
212 PM MDT FRI APR 13 2012

...WIND ADVISORY IN EFFECT FROM 2 PM TO 8 PM MDT SATURDAY...

THE NATIONAL WEATHER SERVICE IN BOISE HAS ISSUED A WIND
ADVISORY FOR THE UPPER TREASURE VALLEY EAST OF BOISE...THE
NORTHERN HALF OF OWYHEE COUNTY...AND SOUTHERN TWIN FALLS
COUNTY...WHICH IS IN EFFECT FROM 2 PM TO 8 PM MDT SATURDAY.

* WINDS...NORTHWEST 25 TO 35 MPH WITH GUSTS TO 45 MPH.

* TIMING...SATURDAY AFTERNOON AND EARLY EVENING

* IMPACTS...TRAVEL HAZARD ON NORTH-SOUTH ROADS DUE TO CROSS WINDS.
  REDUCED VISIBILITY IN LOCAL BLOWING DUST,|

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF AT LEAST 30 MPH...
OR GUSTS OF AT LEAST 45 MPH ARE EXPECTED. WINDS THIS STRONG CAN
MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES.
USE EXTRA CAUTION.

&&

$$
4 follow-up statements
187 
WWUS75 KBOI 140441
NPWBOI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BOISE ID
1041 PM MDT FRI APR 13 2012

...VERY WINDY SATURDAY AFTERNOON...

.GUSTY NORTHWEST WINDS WILL DEVELOP SATURDAY AFTERNOON IN SOUTH-
CENTRAL IDAHO AS A LOW PRESSURE SYSTEM MOVES ACROSS THE SOUTHERN
GREAT BASIN.

IDZ014-015-030-141200-
/O.CON.KBOI.WI.Y.0013.120414T2000Z-120415T0200Z/
UPPER TREASURE VALLEY-SOUTHWEST HIGHLANDS-
SOUTHERN TWIN FALLS COUNTY-
1041 PM MDT FRI APR 13 2012

...WIND ADVISORY REMAINS IN EFFECT FROM 2 PM TO 8 PM MDT
SATURDAY...

A WIND ADVISORY REMAINS IN EFFECT FROM 2 PM TO 8 PM MDT SATURDAY.

* WINDS...NORTHWEST 25 TO 35 MPH WITH GUSTS TO 45 MPH.

* TIMING...SATURDAY AFTERNOON AND EARLY EVENING

* IMPACTS...TRAVEL HAZARD ON NORTH-SOUTH ROADS DUE TO CROSS 
  WINDS. REDUCED VISIBILITY IN LOCAL BLOWING DUST...| 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF AT LEAST 30 MPH...
OR GUSTS OF AT LEAST 45 MPH ARE EXPECTED. WINDS THIS STRONG CAN
MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES.
USE EXTRA CAUTION.

&&

$$
228 
WWUS75 KBOI 140900
NPWBOI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BOISE ID
300 AM MDT SAT APR 14 2012

...VERY WINDY THIS AFTERNOON...

.GUSTY NORTHWEST WINDS WILL DEVELOP THIS AFTERNOON FROM NEAR
MOUNTAIN HOME TO AROUND JACKPOT AS A LOW PRESSURE SYSTEM MOVES
ACROSS THE SOUTHERN GREAT BASIN.

IDZ014-015-030-142315-
/O.CON.KBOI.WI.Y.0013.120414T2000Z-120415T0200Z/
UPPER TREASURE VALLEY-SOUTHWEST HIGHLANDS-
SOUTHERN TWIN FALLS COUNTY-
300 AM MDT SAT APR 14 2012

...WIND ADVISORY REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO
8 PM MDT THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO
8 PM MDT THIS EVENING FOR THE AREA BETWEEN MOUNTAIN HOME AND
JACKPOT. 

* WINDS...NORTHWEST 25 TO 35 MPH WITH GUSTS TO 45 MPH.

* TIMING...MID AFTERNOON INTO EARLY EVENING.

* IMPACTS...TRAVEL HAZARDS INCLUDE CROSS WINDS...BLOWING DEBRIS
  AND LOCAL REDUCED VISIBILITY BLOWING DUST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF AT LEAST 30 MPH...
OR GUSTS OF AT LEAST 45 MPH ARE EXPECTED. WINDS THIS STRONG CAN
MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES.
USE EXTRA CAUTION.

&&

$$
347 
WWUS75 KBOI 142310
NPWBOI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BOISE ID
510 PM MDT SAT APR 14 2012

...VERY WINDY THIS AFTERNOON...

.GUSTY NORTHWEST WINDS WILL DEVELOP THIS AFTERNOON FROM NEAR
MOUNTAIN HOME TO AROUND JACKPOT AS A LOW PRESSURE SYSTEM MOVES
ACROSS THE SOUTHERN GREAT BASIN.

IDZ014-015-030-150200-
/O.CON.KBOI.WI.Y.0013.000000T0000Z-120415T0200Z/
UPPER TREASURE VALLEY-SOUTHWEST HIGHLANDS-
SOUTHERN TWIN FALLS COUNTY-
510 PM MDT SAT APR 14 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING. 

* WINDS...NORTHWEST 25 TO 35 MPH WITH GUSTS TO 45 MPH.

* TIMING...MID AFTERNOON INTO EARLY EVENING.

* IMPACTS...TRAVEL HAZARDS INCLUDE CROSS WINDS...BLOWING DEBRIS 
  AND LOCAL REDUCED VISIBILITY BLOWING DUST. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF AT LEAST 30 MPH...
OR GUSTS OF AT LEAST 45 MPH ARE EXPECTED. WINDS THIS STRONG CAN
MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES.
USE EXTRA CAUTION.

&&

$$
547 
WWUS75 KBOI 150148
NPWBOI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BOISE ID
748 PM MDT SAT APR 14 2012

...WINDS SLOWLY DIMINISHING OVER THE ADVISORY AREA...

IDZ014-015-030-150300-
/O.EXP.KBOI.WI.Y.0013.000000T0000Z-120415T0200Z/
UPPER TREASURE VALLEY-SOUTHWEST HIGHLANDS-
SOUTHERN TWIN FALLS COUNTY-
748 PM MDT SAT APR 14 2012

...WIND ADVISORY WILL EXPIRE AT 8 PM MDT THIS EVENING...

THE WIND ADVISORY WILL EXPIRE AT 8 PM MDT THIS EVENING FOR THE
UPPER TREASURE VALLEY...SOUTHWEST HIGHLANDS...AND SOUTHERN TWIN
FALLS COUNTY. 

.ALTHOUGH IT REMAINS WINDY OVER THE AREA THIS EVENING...SPEEDS ARE
DROPPING BELOW WIND ADVISORY THRESHOLDS. THEREFORE...THE WIND ADVISORY
WILL BE ALLOWED TO EXPIRE ON TIME AT 8PM MDT.


$$

Nearby

Wind Advisories in Idaho, 2012Every wind advisory in 2012

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.