Alert archive / Idaho / Winter Storm Warnings in 2013

Winter Storm Warning 3, NWS Boise, ID

February 22, 201311 counties in Idaho

NWS Boise, ID issued this winter storm warning at Feb 22, 2013, 3:44 AM MST for 11 counties in Idaho. It took effect at Feb 22, 2013, 11:00 AM MST. It was in force for 24 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
Feb 22, 2013, 3:44 AM MST (10:44 UTC)
In effect from
Feb 22, 2013, 11:00 AM MST
Expired
Feb 23, 2013, 11:00 AM MST
In force
24 hr
Issued by
NWS Boise, ID

Counties Adams County, ID, Boise County, ID, Camas County, ID, Elmore County, ID, Gem County, ID, Gooding County, ID, Jerome County, ID, Owyhee County, ID, Twin Falls County, ID, Valley County, ID, Washington County, ID

The radar

The Boise radar (KCBX), 56 km from the middle of the area, began a volume at 10:48 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 winter storm 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 winter storm warning went out at Feb 22, 3:33 AM MST, 11 minutes earlier.

Area forecast discussion, Feb 22, 3:33 AM MST, 11 minutes before
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Hazardous weather outlook, Feb 21, 5:33 AM MST, 22 hours 11 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BOISE ID
533 AM MST THU FEB 21 2013

IDZ016-221245-
WESTERN MAGIC VALLEY-
533 AM MST THU FEB 21 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL
IDAHO.

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

A STRONG COLD FRONTAL PASSAGE FRIDAY NIGHT WILL ABRUPTLY CHANGE
RAIN TO SNOW WITH WINDS FROM THE WEST AT 20 TO 30 MPH. THE SNOW
AND POSSIBLE BLOWING SNOW MAY CAUSE TRAVEL DIFFICULTIES.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ENCOURGED TO REPORT SIGNIFICANT WEATHER VIA
ESTABLISHED PROCEDURES. WE ARE ON FACEBOOK AT NATIONAL WEATHER
SERVICE BOISE AND MONITOR TWITTER AT NWS BOISE.

IDZ011-013-015-028>030-221245-
WEST CENTRAL MOUNTAINS-BOISE MOUNTAINS-SOUTHWEST HIGHLANDS-
CAMAS PRAIRIE-OWYHEE MOUNTAINS-SOUTHERN TWIN FALLS COUNTY-
533 AM MST THU FEB 21 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL
IDAHO...SOUTHWEST IDAHO AND WEST CENTRAL IDAHO.

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

MODERATE TO HEAVY SNOW IS EXPECTED ACROSS THE HIGHER TERRAIN OF
SOUTHWEST IDAHO FRIDAY NIGHT THROUGH SATURDAY. STRONG GUSTY WINDS
ARE EXPECTED AS WELL WITH A STRONG COLD FRONT. TRAVEL DIFFICULTIES
IN WINTER WEATHER ARE POSSIBLE 5 PM FRIDAY THROUGH 11 PM SATURDAY
ABOVE 4500 FEET IN SOUTHWEST IDAHO.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ENCOURGED TO REPORT SIGNIFICANT WEATHER VIA
ESTABLISHED PROCEDURES. WE ARE ON FACEBOOK AT NATIONAL WEATHER
SERVICE BOISE AND MONITOR TWITTER AT NWS BOISE.

IDZ012-014-033-ORZ061>064-221245-
LOWER TREASURE VALLEY ID-UPPER TREASURE VALLEY-UPPER WEISER RIVER-
HARNEY COUNTY-BAKER COUNTY-MALHEUR COUNTY-
LOWER TREASURE VALLEY OR-
533 AM MST THU FEB 21 2013 /433 AM PST THU FEB 21 2013/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST
IDAHO...WEST CENTRAL IDAHO...NORTHEAST OREGON AND SOUTHEAST
OREGON.

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

A STRONG COLD FRONT WILL CROSS THE AREA FRIDAY NIGHT. AT THIS TIME NO
HAZARDOUS WEATHER IS EXPECTED AT THIS TIME ACROSS HARNEY BAKER OR
MALHEUR COUNTIES OR THE TREASURE VALLEY NOR UPPER WEISER RIVER BASIN.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED ACROSS LOWER ELEVATIONS OF
SOUTHWEST IDAHO AND SOUTHEAST OREGON.

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 22, 3:44 AM MSTWinter Weather AdvisoryBOIAdams, Washington26 hr

Nearby

Winter Storm Warnings in Idaho, 2013Every winter storm 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.