Alert archive / Idaho / Tornado Warnings in 2016

Tornado Warning 3, NWS Pocatello, ID

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

NWS Pocatello, ID issued this tornado warning at Oct 2, 2016, 7:09 PM MDT for Bingham County, Bonneville County, Caribou County, Idaho. It was in force for 51 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
Oct 2, 2016, 7:09 PM MDT (01:09 UTC)
Expired
Oct 2, 2016, 8:00 PM MDT
In force
51 min
Issued by
NWS Pocatello, ID
Area
Storm-based polygon

Counties Bingham County, ID, Bonneville County, ID, Caribou County, ID

The radar

The Pocatello radar (KSFX), 83 km from the middle of the area, began a volume at 01:11 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 00:00Z, 1.2 hours before the alert went out and 250 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.

649 
WFUS55 KPIH 030109
TORPIH
IDC011-019-029-030200-
/O.NEW.KPIH.TO.W.0003.161003T0109Z-161003T0200Z/

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

THE NATIONAL WEATHER SERVICE IN POCATELLO HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN BONNEVILLE COUNTY IN SOUTHEASTERN IDAHO...
  EAST CENTRAL BINGHAM COUNTY IN SOUTHEASTERN IDAHO...
  NORTH CENTRAL CARIBOU COUNTY IN SOUTHEASTERN IDAHO...

* UNTIL 800 PM MDT
    
* AT 708 PM MDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
  CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED
  NEAR CHESTERFIELD...OR 7 MILES EAST OF CHESTERFIELD RESERVOIR...AND
  MOVING NORTHEAST AT 30 MPH.

  IN ADDITION...AT 655 PM MDT...GOLF BALL SIZED HAIL WAS REPORTED
  IN CHESTERFIELD.  

* LOCATIONS IMPACTED INCLUDE...
  NORTHERN BLACKFOOT RESERVOIR...CUTTHROAT TROUT CAMPGROUND AND GRAYS
  LAKE.

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 4283 11181 4294 11195 4337 11157 4316 11122
TIME...MOT...LOC 0108Z 221DEG 28KT 4292 11182 

$$

HUSTON
2 follow-up statements
044 
WWUS55 KPIH 030131
SVSPIH

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

IDC029-030140-
/O.CAN.KPIH.TO.W.0003.000000T0000Z-161003T0200Z/
CARIBOU ID-
731 PM MDT SUN OCT 2 2016

...THE TORNADO WARNING FOR NORTH CENTRAL CARIBOU COUNTY IS
CANCELLED...
    
THE TORNADIC THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT
OF THE WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.

LAT...LON 4303 11146 4303 11187 4337 11157 4316 11122
TIME...MOT...LOC 0130Z 220DEG 29KT 4306 11164 

$$

IDC011-019-030200-
/O.CON.KPIH.TO.W.0003.000000T0000Z-161003T0200Z/
BONNEVILLE ID-BINGHAM ID-
731 PM MDT SUN OCT 2 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM MDT FOR
SOUTHEASTERN BONNEVILLE AND EAST CENTRAL BINGHAM COUNTIES...
    
AT 730 PM MDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE
OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED 10 MILES
NORTH OF BLACKFOOT RESERVOIR...MOVING NORTHEAST AT 35 MPH.

LOCATIONS IMPACTED INCLUDE...
CUTTHROAT TROUT CAMPGROUND AND GRAYS LAKE. 

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 4303 11146 4303 11187 4337 11157 4316 11122
TIME...MOT...LOC 0130Z 220DEG 29KT 4306 11164 

$$

HUSTON
325 
WWUS55 KPIH 030157
SVSPIH

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

IDC011-019-030206-
/O.EXP.KPIH.TO.W.0003.000000T0000Z-161003T0200Z/
BONNEVILLE ID-BINGHAM ID-
757 PM MDT SUN OCT 2 2016

...THE TORNADO WARNING FOR SOUTHEASTERN BONNEVILLE AND EAST CENTRAL
BINGHAM COUNTIES WILL EXPIRE AT 800 PM MDT...
        
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE LIMITS
AND EXITED THE WARNED AREA. THEREFORE THE WARNING WILL BE ALLOWED TO
EXPIRE. HOWEVER GUSTY WINDS AND HEAVY RAIN ARE STILL POSSIBLE WITH
THIS THUNDERSTORM AS IT LIFTS NORTHEAST INTO THE SWAN VALLEY
THROUGH 830 PM MDT.

LAT...LON 4303 11146 4303 11187 4337 11157 4316 11122
TIME...MOT...LOC 0148Z 221DEG 28KT 4306 11164 

$$

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, 6:44 PM MDTTornado WarningPIHBannock, Bingham, Caribou31 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.