Alert archive / Idaho / Special Weather Statements in 2012

Special Weather Statement, NWS Spokane, WA

June 4, 2012Lewis County, Idaho

NWS Spokane, WA issued this special weather statement at Jun 4, 2012, 6:50 PM PDT for Lewis County, Idaho. It was in force for 40 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
Jun 4, 2012, 6:50 PM PDT (01:50 UTC)
Expired
Jun 4, 2012, 7:30 PM PDT
In force
40 min
Issued by
NWS Spokane, WA

County Lewis County, ID

The radar

The Spokane radar (KOTX), 177 km from the middle of the area, began a volume at 01:52 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 00:00Z, 1.8 hours before the alert went out and 148 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 00:00Z on 2012-06-05Temperature 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, Spokane, WA at 00:00Z on 2012-06-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -34 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
1397 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
-34 m²/s²
0-3 km storm-relative helicity
211 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.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Spokane, WA wrote its last area forecast discussion before this special weather statement went out at Jun 4, 6:21 PM PDT, 29 minutes earlier.

Area forecast discussion, Jun 4, 6:21 PM PDT, 29 minutes before
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Hazardous weather outlook, Jun 4, 2:15 PM PDT, 4 hours 35 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SPOKANE WA
215 PM PDT MON JUN 4 2012

IDZ001>004-026-027-WAZ031>033-036-037-052115-
NORTHERN PANHANDLE-COEUR D'ALENE AREA-IDAHO PALOUSE-
CENTRAL PANHANDLE MOUNTAINS-LEWISTON AREA-
LEWIS AND SOUTHERN NEZ PERCE COUNTIES-NORTHEAST BLUE MOUNTAINS-
LOWER GARFIELD AND ASOTIN COUNTIES-WASHINGTON PALOUSE-
SPOKANE AREA-NORTHEAST MOUNTAINS-
215 PM PDT MON JUN 4 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH IDAHO...
NORTH CENTRAL IDAHO...NORTHEAST WASHINGTON AND SOUTHEAST
WASHINGTON.

.DAY ONE...THIS AFTERNOON AND TONIGHT

THERE IS A RISK OF SEVERE THUNDERSTORMS OVER EXTREME EASTERN
WASHINGTON AND THE IDAHO PANHANDLE LATE THIS AFTERNOON AND
EVENING. ANY THUNDERSTORMS WHICH FORM COULD PRODUCE LARGE HAIL
AND DAMAGING WINDS IN ADDITION TO HEAVY RAIN. THE THREAT OF
THUNDERSTORMS WILL DIMINISH OVERNIGHT...BUT WIDESPREAD MODERATE TO
HEAVY RAIN WILL REMAIN POSSIBLE THROUGH EARLY TUESDAY.

PERIODS OF HEAVY RAIN WILL CAUSE RISES ON AREA CREEKS AND RIVERS.
SOME BANK FULL CONDITIONS...LOCAL FLOODING...AS WELL AS MUD OR
DEBRIS SLIDES ON STEEP SLOPES WILL BE POSSIBLE.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

WAZ034-041-044-052115-
MOSES LAKE AREA-WENATCHEE AREA-WATERVILLE PLATEAU-
215 PM PDT MON JUN 4 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL
WASHINGTON...EAST CENTRAL WASHINGTON AND NORTH CENTRAL
WASHINGTON.

.DAY ONE...THIS AFTERNOON AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

WAZ035-038-043-052115-
UPPER COLUMBIA BASIN-OKANOGAN HIGHLANDS-OKANOGAN VALLEY-
215 PM PDT MON JUN 4 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST CENTRAL
WASHINGTON AND NORTH CENTRAL WASHINGTON.

.DAY ONE...THIS AFTERNOON AND TONIGHT

MODERATE TO HEAVY RAIN WILL BE POSSIBLE TODAY THROUGH EARLY
TUESDAY. PERIODS OF HEAVY RAIN WILL CAUSE RISES ON AREA CREEKS AND
RIVERS. SOME BANK FULL CONDITIONS AND LOCAL FLOODING WILL BE
POSSIBLE.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

WAZ042-052115-
EAST SLOPES NORTHERN CASCADES-
215 PM PDT MON JUN 4 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL
WASHINGTON.

.DAY ONE...THIS AFTERNOON AND TONIGHT

MODERATE TO HEAVY RAIN WILL BE POSSIBLE TODAY THROUGH EARLY
TUESDAY GENERALLY NORTH OF LAKE WENATCHEE. PERIODS OF HEAVY RAIN
WILL CAUSE RISES ON AREA CREEKS AND RIVERS. SOME BANK FULL
CONDITIONS AND LOCAL FLOODING WILL BE POSSIBLE. ADDITIONALLY WHEN
IT COOLS LATER THIS EVENING WET SLUSHY SNOW MAY BRIEFLY SHOW UP AT
SOME ELEVATIONS ABOVE 5000 FEET TONIGHT AND ADD NUISANCE TO
CONDUCTED OUTDOOR ACTIVITIES AT AND ABOVE THAT ELEVATIONS TONIGHT
AND TUESDAY.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

WET SLUSHY SNOW BRIEFLY SHOWING UP AT SOME ELEVATIONS ABOVE 5000
FEET TUESDAY WILL ADD NUISANCE TO CONDUCTED OUTDOOR ACTIVITIES AT
AND ABOVE THAT ELEVATIONS.

In the hours before

Local storm report, Jun 4, 3:50 PM PDT, 3 hours before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPOKANE WA
350 PM PDT MON JUN 04 2012

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0343 PM     HAIL             14 SE POMEROY           46.33N 117.39W
06/04/2012  E1.00 INCH       ASOTIN             WA   PUBLIC

&&

JCLEV
Local storm report, Jun 4, 5:35 PM PDT, 1 hour 15 minutes before
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Local storm report, Jun 4, 5:51 PM PDT, 59 minutes before
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Special weather statement, Jun 4, 6:35 PM PDT, 15 minutes before
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Special weather statement, Jun 4, 6:50 PM PDT, 0 minutes before
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The office that day

Everything else NWS Spokane, WA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 5, 12:24 AM PDTAreal Flood AdvisoryOTXAdams, Grant, Lincoln99 min
Jun 4, 6:01 PM PDTSevere Thunderstorm WarningOTXBonner, Kootenai, Shoshone44 min
Jun 4, 6:35 PM PDTSpecial Weather StatementOTXBoundary55 min
Jun 4, 7:07 PM PDTSpecial Weather StatementOTXBenewah38 min
Jun 4, 7:30 PM PDTSpecial Weather StatementOTXLewis15 min
Jun 4, 8:52 PM PDTSpecial Weather StatementOTXShoshone38 min
Jun 5, 10:53 AM PDTRiver Flood WarningOTXBoundary11 hr

Nearby

Special Weather Statements in Idaho, 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; radar from the NEXRAD Level II archive.