Alert archive / Idaho / Special Weather Statements in 2021

Special Weather Statement, NWS Pocatello, ID

August 2, 2021Bingham County, Idaho

NWS Pocatello, ID issued this special weather statement at Aug 2, 2021, 5:52 PM MDT for Bingham County, Idaho. It was in force for 83 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Aug 2, 2021, 5:52 PM MDT (23:52 UTC)
Expired: Aug 2, 2021, 7:15 PM MDT
In force: 83 min
Issued by: NWS Pocatello, ID

County Bingham County, ID

The radar

The Pocatello radar (KSFX), 27 km from the middle of the area, began a volume at 23:54 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 was reported inside it

Time	Report	Where	Remark
Aug 2, 7:15 PM MDT	FUNNEL CLOUD	7 Nw Aberdeen, ID

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Boise Airport, ID (KBOI), launched 12:00Z, 11.9 hours before the alert went out and 282 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: 369 J/kg
Mixed-layer CIN: -108 J/kg
Mixed-layer LCL: 1261 m above ground
0-6 km bulk shear: 11 kt
0-1 km storm-relative helicity: -24 m²/s²
0-3 km storm-relative helicity: -40 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

878 
WWUS85 KPIH 022352
SPSPIH

Special Weather Statement
National Weather Service Pocatello ID
552 PM MDT Mon Aug 2 2021
 
IDZ051>055-030115-
Eastern Magic Valley ID-Arco/Mud Lake Desert ID-
Upper Snake River Plain ID-Shoshone/Lava Beds ID-
Lower Snake River Plain ID-
552 PM MDT Mon Aug 2 2021

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN BLAINE...
SOUTHWESTERN JEFFERSON...NORTHWESTERN BANNOCK...SOUTH CENTRAL
BUTTE...NORTHWESTERN POWER...NORTHWESTERN BONNEVILLE AND WESTERN
BINGHAM COUNTIES UNTIL 715 PM MDT...

At 550 PM MDT, Doppler radar was tracking a line of thunderstorms 
near and on either side of Taber, or 18 miles west southwest of 
Blackfoot, moving southeast at 10 to 15 mph.

Winds in excess of 40 mph and small hail will be possible with this 
storm.

Locations impacted include...
American Falls Reservoir, Aberdeen, Roberts, Taber, Springfield,
Rockford, Moreland, Pingree, Rose, Groveland, Sterling, East Butte
and Kettle Butte.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded 
roadways. Be cautious driving through thunderstorms as heavy rain 
will cause very low visibilities.

&&

LAT...LON 4328 11319 4338 11282 4380 11245 4369 11202
      4313 11242 4288 11295
TIME...MOT...LOC 2350Z 336DEG 17KT 4326 11271 

$$

TW

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 1, 6:31 PM MDT	Areal Flood Advisory	PIH	Cassia, Oneida	119 min
Aug 1, 6:42 PM MDT	Areal Flood Advisory	PIH	Oneida, Power	2 hr
Aug 1, 7:08 PM MDT	Areal Flood Advisory	PIH	Cassia	67 min
Aug 1, 8:31 PM MDT	Areal Flood Advisory	PIH	Oneida, Power	59 min
Aug 1, 8:36 PM MDT	Areal Flood Advisory	PIH	Cassia	54 min
Aug 2, 11:39 AM MDT	Areal Flood Advisory	PIH	Bannock, Caribou	111 min
Aug 2, 11:46 AM MDT	Special Weather Statement	PIH	Bear Lake	59 min
Aug 2, 12:25 PM MDT	Areal Flood Advisory	PIH	Bingham, Bonneville	2 hr
Aug 2, 12:34 PM MDT	Areal Flood Advisory	PIH	Blaine, Butte, Custer	3 hr
Aug 2, 12:35 PM MDT	Special Weather Statement	PIH	Caribou	40 min
Aug 2, 12:37 PM MDT	Special Weather Statement	PIH	Bonneville	53 min
Aug 2, 12:58 PM MDT	Areal Flood Advisory	PIH	Butte, Custer	2 hr
Aug 2, 1:34 PM MDT	Areal Flood Advisory	PIH	Blaine, Custer	116 min
Aug 2, 1:35 PM MDT	Areal Flood Advisory	PIH	Bonneville, Madison, Teton	115 min
Aug 2, 2:05 PM MDT	Areal Flood Advisory	PIH	Custer	115 min
Aug 2, 2:05 PM MDT	Areal Flood Advisory	PIH	Bannock, Power	115 min
Aug 2, 2:12 PM MDT	Special Weather Statement	PIH	Bear Lake	48 min
Aug 2, 2:34 PM MDT	Areal Flood Advisory	PIH	Blaine	116 min
Aug 2, 2:44 PM MDT	Areal Flood Advisory	PIH	Butte, Clark	2 hr
Aug 2, 2:50 PM MDT	Areal Flood Advisory	PIH	Bannock	23 min
Aug 2, 2:58 PM MDT	Areal Flood Advisory	PIH	Blaine, Butte, Custer	2 hr
Aug 2, 3:11 PM MDT	Special Weather Statement	PIH	Butte, Clark, Jefferson	64 min
Aug 2, 3:13 PM MDT	Flash Flood Warning	PIH	Bannock	77 min
Aug 2, 3:28 PM MDT	Areal Flood Advisory	PIH	Bannock, Caribou	62 min
Aug 2, 3:33 PM MDT	Areal Flood Advisory	PIH	Bannock, Oneida	57 min
Aug 2, 3:41 PM MDT	Areal Flood Advisory	PIH	Blaine, Custer	106 min
Aug 2, 3:41 PM MDT	Special Weather Statement	PIH	Jefferson	49 min
Aug 2, 3:45 PM MDT	Special Weather Statement	PIH	Caribou	45 min
Aug 2, 3:50 PM MDT	Special Weather Statement	PIH	Caribou	40 min
Aug 2, 3:58 PM MDT	Special Weather Statement	PIH	Franklin	47 min
Aug 2, 4:00 PM MDT	Areal Flood Advisory	PIH	Blaine	2 hr
Aug 2, 4:04 PM MDT	Special Weather Statement	PIH	Oneida	41 min
Aug 2, 4:11 PM MDT	Special Weather Statement	PIH	Oneida	49 min
Aug 2, 4:14 PM MDT	Areal Flood Advisory	PIH	Butte	68 min
Aug 2, 4:18 PM MDT	Areal Flood Advisory	PIH	Bannock, Caribou, Franklin	96 min
Aug 2, 4:21 PM MDT	Special Weather Statement	PIH	Bear Lake	39 min
Aug 2, 4:27 PM MDT	Areal Flood Advisory	PIH	Blaine	107 min
Aug 2, 4:35 PM MDT	Special Weather Statement	PIH	Jefferson	40 min
Aug 2, 4:41 PM MDT	Special Weather Statement	PIH	Fremont	49 min
Aug 2, 4:44 PM MDT	Special Weather Statement	PIH	Bear Lake	46 min
Aug 2, 4:46 PM MDT	Areal Flood Advisory	PIH	Butte, Custer	69 min
Aug 2, 4:50 PM MDT	Special Weather Statement	PIH	Butte	40 min
Aug 2, 4:58 PM MDT	Areal Flood Advisory	PIH	Bannock, Franklin	56 min
Aug 2, 5:01 PM MDT	Special Weather Statement	PIH	Franklin	44 min
Aug 2, 5:05 PM MDT	Special Weather Statement	PIH	Oneida	40 min
Aug 2, 5:20 PM MDT	Areal Flood Advisory	PIH	Blaine, Lincoln	55 min
Aug 2, 5:25 PM MDT	Special Weather Statement	PIH	Clark	50 min
Aug 2, 5:39 PM MDT	Special Weather Statement	PIH	Minidoka	51 min
Aug 2, 5:46 PM MDT	Special Weather Statement	PIH	Lincoln	59 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.