Alert archive / Idaho / Blizzard Warnings in 2010
Blizzard Warning 1, NWS Boise, ID
NWS Boise, ID issued this blizzard warning at Nov 22, 2010, 3:30 PM MST for 6 counties in Idaho. It took effect at Nov 23, 2010, 3:00 AM MST. It was in force for 12 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
- Nov 22, 2010, 3:30 PM MST (22:30 UTC)
- In effect from
- Nov 23, 2010, 3:00 AM MST
- Expired
- Nov 23, 2010, 3:26 PM MST
- In force
- 12 hr
- Issued by
- NWS Boise, ID
Counties Camas County, ID, Elmore County, ID, Gooding County, ID, Jerome County, ID, Owyhee County, ID, Twin Falls County, ID
The radar
The Boise radar (KCBX), 118 km from the middle of the area, began a volume at 22:32 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
Salt Lake City I, UT (KSLC), launched 12:00Z, 10.5 hours before the alert went out and 351 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1253 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 53 m²/s²
- 0-3 km storm-relative helicity
- 180 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Nov 22, 3:10 PM MST, 20 minutes earlier.
Area forecast discussion, Nov 22, 3:10 PM MST, 20 minutes before
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HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BOISE ID 550 AM MST MON NOV 22 2010 IDZ012-014>016-029-030-033-ORZ061>064-231300- LOWER TREASURE VALLEY ID-UPPER TREASURE VALLEY- SOUTHWEST HIGHLANDS-WESTERN MAGIC VALLEY-OWYHEE MOUNTAINS- SOUTHERN TWIN FALLS COUNTY-UPPER WEISER RIVER-HARNEY COUNTY- BAKER COUNTY-MALHEUR COUNTY-LOWER TREASURE VALLEY OR- 550 AM MST MON NOV 22 2010 /450 AM PST MON NOV 22 2010/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL IDAHO...SOUTHWEST IDAHO...WEST CENTRAL IDAHO...NORTHEAST OREGON AND SOUTHEAST OREGON. .DAY ONE...TODAY AND TONIGHT A WINTER STORM WARNING IS IN EFFECT FROM 5 PM MST /4 PM PST/ THIS AFTERNOON TO 5 PM MST /4 PM PST/ TUESDAY. SNOW AMOUNTS OF 2 TO 4 INCHES IN THE VALLEYS AND 5 TO 10 INCHES IN THE MOUNTAINS CAN BE EXPECTED. IN ADDITION...SUSTAINED WINDS OF 15 TO 25 MPH WITH GUSTS TO 40 MPH WILL CREATE AREAS OF BLOWING SNOW. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY THE WINTER STORM WARNING IS IN EFFECT UNTIL 5 PM MST /4 PM PST/ TUESDAY. TEMPERATURES TUESDAY NIGHT THROUGH WEDNESDAY MORNING WILL BE NEAR OR BELOW ZERO IN MANY AREAS. THESE TEMPERATURES IN COMBINATION WITH STRONG WINDS WILL CAUSE DANGEROUS WIND CHILLS TUESDAY NIGHT. .SPOTTER INFORMATION STATEMENT... SPOTTERS SHOULD REPORT SIGNIFICANT WEATHER THROUGH ESTABLISHED PROCEDURES. IDZ011-013-028-231300- WEST CENTRAL MOUNTAINS-BOISE MOUNTAINS-CAMAS PRAIRIE- 550 AM MST MON NOV 22 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST IDAHO AND WEST CENTRAL IDAHO. .DAY ONE...TODAY AND TONIGHT A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW IS IN EFFECT UNTIL 5 PM MST TUESDAY. SNOW AMOUNTS OF 6 TO 12 INCHES IN THE MOUNTAIN VALLEYS WITH A FOOT OR MORE IN THE MOUNTAINS CAN BE EXPECTED. IN ADDITION...SUSTAINED WINDS OF 10 TO 20 MPH WITH GUSTS TO 35 MPH WILL CREATE BLOWING AND DRIFTING SNOW. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY THE WINTER STORM WARNING IS IN EFFECT UNTIL 5 PM MST /4 PM PST/ TUESDAY. TEMPERATURES TUESDAY NIGHT THROUGH WEDNESDAY MORNING WILL BE NEAR OR BELOW ZERO IN MANY AREAS. THESE TEMPERATURES IN COMBINATION WITH STRONG WINDS WILL CAUSE DANGEROUS WIND CHILLS TUESDAY NIGHT. .SPOTTER INFORMATION STATEMENT... SPOTTERS SHOULD REPORT SIGNIFICANT WEATHER THROUGH ESTABLISHED PROCEDURES.
In the hours before
Local storm report, Nov 22, 10:12 AM MST, 5 hours 18 minutes before
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</html>The office that day
Everything else NWS Boise, ID issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 21, 7:58 PM MST | Winter Storm Warning | BOI | Ada, Adams, Boise, Camas, Canyon, Elmore and 8 more | 43 hr |
Nearby
Blizzard Warnings in Idaho, 2010Every blizzard warning in 2010
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.