Alert archive / Idaho / Special Weather Statements in 2021

Special Weather Statement, NWS Pocatello, ID

December 24, 2021Oneida County, Idaho

NWS Pocatello, ID issued this special weather statement at Dec 24, 2021, 7:01 PM MST for Oneida County, Idaho. It was in force for 119 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: Dec 24, 2021, 7:01 PM MST (02:01 UTC)
Expired: Dec 24, 2021, 9:00 PM MST
In force: 119 min
Issued by: NWS Pocatello, ID

County Oneida County, ID

The radar

The Pocatello radar (KSFX), 88 km from the middle of the area, began a volume at 02:01 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

Elko, NV (KLKN), launched 00:00Z, 2.0 hours before the alert went out and 257 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 70 J/kg
Mixed-layer CIN: -17 J/kg
Mixed-layer LCL: 817 m above ground
0-6 km bulk shear: 72 kt
0-1 km storm-relative helicity: 275 m²/s²
0-3 km storm-relative helicity: 407 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted.

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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 Pocatello, ID wrote its last area forecast discussion before this special weather statement went out at Dec 24, 1:31 PM MST, 5 hours 30 minutes earlier.

Area forecast discussion, Dec 24, 1:31 PM MST, 5 hours 30 minutes before

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In the hours before

Special weather statement, Dec 24, 2:03 PM MST, 4 hours 58 minutes before

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Special weather statement, Dec 24, 4:43 PM MST, 2 hours 18 minutes before

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Local storm report, Dec 24, 5:23 PM MST, 1 hour 38 minutes before

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Local storm report, Dec 24, 5:24 PM MST, 1 hour 37 minutes before

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Special weather statement, Dec 24, 6:33 PM MST, 28 minutes before

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Special weather statement, Dec 24, 7:01 PM MST, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 24, 6:33 PM MST	Special Weather Statement	PIH	Oneida	27 min
Dec 24, 9:22 PM MST	Special Weather Statement	PIH	Bannock, Bingham, Bonneville, Teton	83 min

Nearby

Special Weather Statements in Idaho, 2021 Every special weather statement in 2021

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.