Alert archive / Idaho / Wind Advisories in 2016

Wind Advisory 1, NWS Spokane, WA

January 29, 20164 counties in Idaho; 4 counties in Washington

NWS Spokane, WA issued this wind advisory at Jan 29, 2016, 11:35 AM PST for 4 counties in Idaho; 4 counties in Washington. It took effect at Jan 29, 2016, 1:00 PM PST. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Jan 29, 2016, 11:35 AM PST (19:35 UTC)
In effect from
Jan 29, 2016, 1:00 PM PST
Expired
Jan 29, 2016, 6:34 PM PST
In force
6 hr
Issued by
NWS Spokane, WA

Counties Benewah County, ID, Latah County, ID, Lewis County, ID, Nez Perce County, ID, Asotin County, WA, Garfield County, WA, Spokane County, WA, Whitman County, WA

The radar

The Spokane radar (KOTX), 116 km from the middle of the area, began a volume at 19:37 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

Spokane, WA (KOTX), launched 12:00Z, 7.6 hours before the alert went out and 119 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, Spokane, WA at 12:00Z on 2016-01-29Temperature 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, Spokane, WA at 12:00Z on 2016-01-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 45 square meters per square second.1939587897117Sfc1 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
1040 m above ground
0-6 km bulk shear
78 kt
0-1 km storm-relative helicity
45 m²/s²
0-3 km storm-relative helicity
-71 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

148 
WWUS76 KOTX 291935
NPWOTX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPOKANE WA
1135 AM PST FRI JAN 29 2016

IDZ003-026-027-WAZ031>033-300345-
/O.NEW.KOTX.WI.Y.0001.160129T2100Z-160130T0400Z/
IDAHO PALOUSE-LEWISTON AREA-LEWIS AND SOUTHERN NEZ PERCE COUNTIES-
NORTHEAST BLUE MOUNTAINS-LOWER GARFIELD AND ASOTIN COUNTIES-
WASHINGTON PALOUSE-
1135 AM PST FRI JAN 29 2016

...WIND ADVISORY IN EFFECT THIS AFTERNOON UNTIL 8 PM PST THIS
EVENING...

THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 8 PM PST THIS EVENING.

* WINDS...SOUTHWEST AND INCREASING TO 20 TO 30 MPH WITH GUSTS FROM
  40 TO 50 MPH POSSIBLE.

* TIMING...RELATIVELY LIGHT EAST TO NORTHEAST WINDS WILL CONTINUE
  THROUGH EARLY AFTERNOON FOLLOWED BRISK SOUTHWEST WINDS WHICH
  WILL CONTINUE THROUGH THE EVENING. 

* LOCATIONS...PULLMAN...MOSCOW....POMEROY...LAPWAI...COLFAX.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 30 TO 40 MPH ARE EXPECTED.
WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR
HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$
1 follow-up statement
438 
WWUS76 KOTX 300234
NPWOTX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPOKANE WA
634 PM PST FRI JAN 29 2016

IDZ003-026-027-WAZ031>033-300345-
/O.CAN.KOTX.WI.Y.0001.000000T0000Z-160130T0400Z/
IDAHO PALOUSE-LEWISTON AREA-LEWIS AND SOUTHERN NEZ PERCE COUNTIES-
NORTHEAST BLUE MOUNTAINS-LOWER GARFIELD AND ASOTIN COUNTIES-
WASHINGTON PALOUSE-
634 PM PST FRI JAN 29 2016

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SPOKANE HAS CANCELLED THE WIND
ADVISORY FOR THE WASHINGTON AND IDAHO PALOUSE...LEWISTON
AREA...LEWIS AND SOUTHERN NEZ PERCE COUNTIES...GARFIELD AND ASOTIN
COUNTIES AND THE NORTHEAST BLUE MOUNTAINS.

SOUTHWEST WINDS HAVE DECREASED BELOW WIND ADVISORY CRITERIA.
THEREFORE THE WIND ADVISORY HAS BEEN CANCELLED. SOUTHWEST WINDS 15
TO 25 MPH WITH GUSTS UP TO 35 MPH WILL BE POSSIBLE FOR THE NEXT
FEW HOURS BEFORE SUBSIDING FURTHER OVERNIGHT. WINDS WILL BRIEFLY
INCREASE SATURDAY IN THE LATE MORNING OR EARLY AFTERNOON, BUT WILL
REMAIN BELOW ADVISORY CRITERIA. 

$$

Nearby

Wind Advisories in Idaho, 2016Wind Advisories in Washington, 2016Every wind advisory in 2016

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.