Alert archive / Idaho / Tornado Warnings in 2016

Tornado Warning 2, NWS Pocatello, ID

October 2, 2016Bannock County, Bingham County, Caribou County, Idaho

NWS Pocatello, ID issued this tornado warning at Oct 2, 2016, 6:44 PM MDT for Bannock County, Bingham County, Caribou County, Idaho. It was in force for 31 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
Oct 2, 2016, 6:44 PM MDT (00:44 UTC)
Expired
Oct 2, 2016, 7:15 PM MDT
In force
31 min
Issued by
NWS Pocatello, ID
Area
Storm-based polygon

Counties Bannock County, ID, Bingham County, ID, Caribou County, ID

The radar

The Pocatello radar (KSFX), 74 km from the middle of the area, began a volume at 00:45 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

TimeReportWhereRemark
Oct 2, 6:55 PM MDTHAIL 1.75Chesterfield, IDHAIL RANGED FROM GUMBALL TO GOLF BALL IN SIZE.

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

The nearest sounding before it

Salt Lake City I, UT (KSLC), launched 00:00Z, 0.7 hours before the alert went out and 226 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-pSkew-T log-p diagram, Salt Lake City I, UT at 00:00Z on 2016-10-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 161 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Salt Lake City I, UT at 00:00Z on 2016-10-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 24 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
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
161 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
3185 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
24 m²/s²
0-3 km storm-relative helicity
131 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

397 
WFUS55 KPIH 030044
TORPIH
IDC005-011-029-030115-
/O.NEW.KPIH.TO.W.0002.161003T0044Z-161003T0115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE POCATELLO ID
644 PM MDT SUN OCT 2 2016

THE NATIONAL WEATHER SERVICE IN POCATELLO HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN BINGHAM COUNTY IN SOUTHEASTERN IDAHO...
  EASTERN BANNOCK COUNTY IN SOUTHEASTERN IDAHO...
  NORTHWESTERN CARIBOU COUNTY IN SOUTHEASTERN IDAHO...

* UNTIL 715 PM MDT
    
* AT 644 PM MDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
  CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED 9
  MILES SOUTHWEST OF CHESTERFIELD...OR 9 MILES SOUTH OF CHESTERFIELD
  RESERVOIR...AND MOVING NORTHEAST AT 35 MPH.

* LOCATIONS IMPACTED INCLUDE...
  BLACKFOOT RESERVOIR...CHESTERFIELD RESERVOIR...CHESTERFIELD AND
  BANCROFT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE IN A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4264 11197 4277 11214 4311 11177 4292 11151
TIME...MOT...LOC 0044Z 224DEG 32KT 4276 11199 

$$

HUSTON
1 follow-up statement
868 
WWUS55 KPIH 030114
SVSPIH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE POCATELLO ID
714 PM MDT SUN OCT 2 2016

IDC005-011-029-030121-
/O.EXP.KPIH.TO.W.0002.000000T0000Z-161003T0115Z/
BINGHAM ID-BANNOCK ID-CARIBOU ID-
714 PM MDT SUN OCT 2 2016

...THE TORNADO WARNING FOR SOUTHEASTERN BINGHAM...EASTERN BANNOCK AND
NORTHWESTERN CARIBOU COUNTIES WILL EXPIRE AT 715 PM MDT...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA. THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE. REMEMBER...A
TORNADO WARNING STILL REMAINS IN EFFECT FOR SOUTHEAST
BONNEVILLE...EAST CENTRAL BINGHAM AND NORTH CENTRAL CARIBOU
COUNTY UNTIL 800 PM MDT.

LAT...LON 4264 11197 4277 11214 4311 11177 4292 11151
TIME...MOT...LOC 0106Z 224DEG 32KT 4276 11199 

$$

HUSTON

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 2, 6:05 PM MDTSpecial Weather StatementPIHBingham40 min
Oct 2, 6:09 PM MDTSpecial Weather StatementPIHBingham, Power36 min
Oct 2, 6:13 PM MDTSpecial Weather StatementPIHBannock32 min
Oct 2, 6:27 PM MDTSevere Thunderstorm WarningPIHBannock, Bingham, Bonneville, Caribou33 min
Oct 2, 7:09 PM MDTTornado WarningPIHBingham, Bonneville, Caribou51 min
Oct 2, 7:34 PM MDTTornado WarningPIHBannock, Bingham, Caribou43 min
Oct 2, 8:07 PM MDTSpecial Weather StatementPIHTeton23 min
Oct 2, 8:17 PM MDTTornado WarningPIHBingham, Bonneville, Caribou, Teton21 min
Oct 2, 8:51 PM MDTSpecial Weather StatementPIHTeton39 min
Oct 2, 9:35 PM MDTSpecial Weather StatementPIHOneida40 min

Nearby

Tornado Warnings in Idaho, 2016Every tornado warning in 2016Tornadoes in 2016

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.