Alert archive / Idaho / Blizzard Warnings in 2013

Blizzard Warning 1, NWS Boise, ID

January 10, 20134 counties in Idaho

NWS Boise, ID issued this blizzard warning at Jan 10, 2013, 5:53 PM MST for 4 counties in Idaho. It was in force for 18 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jan 10, 2013, 5:53 PM MST (00:53 UTC)
Expired: Jan 11, 2013, 12:18 PM MST
In force: 18 hr
Issued by: NWS Boise, ID

Counties Gooding County, ID, Jerome County, ID, Owyhee County, ID, Twin Falls County, ID

The radar

The Boise radar (KCBX), 138 km from the middle of the area, began a volume at 00:51 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 forecasters said that day

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

NWS Boise, ID wrote its last area forecast discussion before this blizzard warning went out at Jan 10, 3:24 PM MST, 2 hours 29 minutes earlier.

Area forecast discussion, Jan 10, 3:24 PM MST, 2 hours 29 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BOISE ID
324 PM MST THU JAN 10 2013

.SHORT TERM...TONIGHT THROUGH SATURDAY...MOISTURE WRAPPING AROUND
A MID-LEVEL CIRCULATION HAS KEPT SNOW OVER THE TREASURE VALLEY
AND WEST CENTRAL AND BOISE MTNS TODAY. ELSEWHERE ACROSS SE OREGON
AND SW IDAHO THE SNOW HAS MOSTLY STOPPED. FOR TONIGHT THE SNOW
WILL SHUT DOWN OVER THE TREASURE VALLEY AS THE MID-LEVEL
CIRCULATION SHIFTS EAST AND FLOW TURNS MORE NORTHERLY. THIS SHIFT
IN THE FLOW WILL FAVOR REDEVELOPMENT OF SNOW OVER THE HIGHLANDS OF
IDAHO SOUTH OF THE SNAKE RIVER. THE NORTHERLY FLOW WILL CONTINUE
THROUGH THE DAY FRIDAY KEEPING LIGHT SNOWFALL OVER THE AREA INTO
FRIDAY AFTERNOON. GUSTY WEST-NORTHWEST SURFACE WINDS WILL MAKE FOR
BLOWING AND DRIFTING SNOW. THE WINDS ARE IN RESPONSE TO A TIGHT
SURFACE PRESSURE GRADIENT WHICH WILL SUPPORT GUSTY NORTHWEST WINDS
ACROSS SOUTHEAST OREGON AND SOUTHWEST IDAHO THROUGH FRIDAY. THE
GUSTY WINDS WILL ALSO MAKE FOR WIND CHILL VALUES IN THE SINGLE
DIGITS ABOVE ZERO ACROSS THE SNAKE RIVER VALLEY FRIDAY MORNING.
SNOW TAPERS OFF FRIDAY EVENING AND SKIES WILL BEGIN TO
CLEAR...SETTING UP FOR A COLD SATURDAY MORNING. WILL NEED TO WATCH
SATURDAY MORNING FOR WIND CHILLS AS WELL...EVEN WITH LIGHTER
SPEEDS. SATURDAY IS DRY AND COLD WITH HIGH TEMPERATURES WELL BELOW
FREEZING ACROSS SE OREGON AND SW IDAHO.

.LONG TERM...SATURDAY NIGHT THROUGH THURSDAY...LATEST MODEL RUNS
CONTINUE THE TREND OF A COLD NORTHERLY FLOW OVER THE REGION THROUGH
THE EXTENDED PERIOD.  THIS WILL KEEP TEMPERATURES BELOW NORMAL.
THIS NORTHERLY FLOW IS DUE TO A STRONG RIDGE OF HIGH PRESSURE
BUILDING NORTHWARD JUST OFF THE WEST COAST.  MAINLY DRY CONDITIONS
THROUGH THE EXTENDED BUT A WEAK WEATHER FEATURE WILL MOVE THROUGH
THE FLOW SATURDAY NIGHT AND SUNDAY FOR A SLIGHT CHANCE OF SNOW.  AS
THE RIDGE OF HIGH PRESSURE CONTINUES TO BUILD EARLY NEXT
WEEK...EXPECT A REDEVELOPMENT OF VALLEY INVERSIONS STARTING MAINLY
IN THE TUE-THUR TIME PERIOD. TEMPERATURES WILL REMAIN WELL BELOW
NORMAL THROUGH THE WEEK.

&&

.AVIATION...MOUNTAINS OBSCURED. WIDESPREAD MVFR/IFR CONDITIONS IN
SNOW OVER SOUTHWEST IDAHO.  IMPROVING CONDITIONS AFTER 00Z IN THE
KBOI/KEUL AREA. OTHERWISE MOUNTAINS WILL KEEP THESE MVFR-IFR
CONDITIONS THROUGH THE EVENING AND SOUTHEAST OREGON WILL REMAIN VFR
THROUGH FRIDAY. SURFACE WINDS WEST TO NORTHWEST 10-20 KNOTS WITH
GUSTS OF 25-30 KNOTS.  WINDS ALOFT WILL BE NORTHWEST 20-30KTS
UP THROUGH 10K FEET MSL.

&&

.BOI WATCHES/WARNINGS/ADVISORIES...
ID...WINTER WEATHER ADVISORY UNTIL 5 PM MST FRIDAY IDZ015-016-030.
OR...NONE.
&&

WEATHER.GOV/BOISE

SHORT TERM...DG
LONG TERM....CR/CR
AVIATION.....CR

Hazardous weather outlook, Jan 10, 5:49 AM MST, 12 hours 4 minutes before

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In the hours before

Local storm report, Jan 10, 12:20 PM MST, 5 hours 33 minutes before

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Local storm report, Jan 10, 3:39 PM MST, 2 hours 14 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BOISE ID
339 PM MST THU JAN 10 2013

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

0230 PM     SNOW             SE BOISE                43.61N 116.23W
01/10/2013  M2.8 INCH        ADA                ID   NWS EMPLOYEE

0300 PM     SNOW             2 E NAMPA               43.58N 116.52W
01/10/2013  M1.8 INCH        CANYON             ID   TRAINED SPOTTER

0300 PM     SNOW             CALDWELL                43.66N 116.68W
01/10/2013  E3.0 INCH        CANYON             ID   TRAINED SPOTTER

0325 PM     SNOW             9 NW BOISE              43.70N 116.35W
01/10/2013  M2.5 INCH        ADA                ID   NWS EMPLOYEE

0330 PM     SNOW             SE BOISE                43.61N 116.23W
01/10/2013  M3.5 INCH        ADA                ID   UNKNOWN

&&

TAL

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 11, 12:18 PM MST	Winter Weather Advisory	BOI	Twin Falls	5 hr

Nearby

Blizzard Warnings in Idaho, 2013 Every blizzard warning in 2013

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.