Alert archive / Oregon / Special Weather Statements in 2012

Special Weather Statement, NWS Boise, ID

August 5, 2012Harney County, Oregon

NWS Boise, ID issued this special weather statement at Aug 5, 2012, 5:21 PM PDT for Harney County, Oregon. It was in force for 24 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 5, 2012, 5:21 PM PDT (00:21 UTC)
Expired
Aug 5, 2012, 5:45 PM PDT
In force
24 min
Issued by
NWS Boise, ID

County Harney County, OR

The nearest sounding before it

Boise Airport, ID (KBOI), launched 00:00Z, 0.4 hours before the alert went out and 272 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 2012-08-06Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Boise Airport, ID at 00:00Z on 2012-08-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 76 square meters per square second.1939Sfc1 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
4324 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
76 m²/s²
0-3 km storm-relative helicity
74 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.

324 
WWUS85 KBOI 060021
SPSBOI

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BOISE ID
621 PM MDT SUN AUG 5 2012

ORZ061-060045-
HARNEY OR-
521 PM PDT SUN AUG 5 2012

THE NATIONAL WEATHER SERVICE IN BOISE HAS ISSUED A

SIGNIFICANT WEATHER ADVISORY FOR...
  CENTRAL HARNEY COUNTY IN SOUTHEAST OREGON...

UNTIL 545 PM PDT.

AT 515 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED AN 
AREA OF STRONG THUNDERSTORMS CENTERED 12 MILES SOUTHWEST OF 
FRENCHGLEN...MOVING NORTH AT 30 MPH.

WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
  ROCK CREEK RANCH...
  BUTLER HILL...
  AND WALLS LAKE RESERVOIR.

LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS. TAKE SHELTER INSIDE A
BUILDING OR VEHICLE WHEN THUNDERSTORMS APPROACH. LIGHTNING CAN OCCUR
15 MILES OR MORE AWAY FROM THE CENTER OF A STORM. IF YOU CAN HEAR 
THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. 

LAT...LON 4319 11991 4324 11991 4330 11855 4258 11828
      4259 11937 4274 11938 4274 11989 4318 11994
TIME...MOT...LOC 0020Z 170DEG 27KT 4275 11910

$$

VM

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 5, 5:47 PM PDTSpecial Weather StatementBOITwin Falls58 min
Aug 6, 11:50 AM PDTFire Weather WatchBOIBoise, Gem, Idaho, Valley24 hr

Nearby

Special Weather Statements in Oregon, 2012Every special weather statement 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.