Alert archive / Idaho / Tornado Warnings in 2015

Tornado Warning 2, NWS Pocatello, ID

June 15, 2015Bingham County, Bonneville County, Caribou County, Idaho

NWS Pocatello, ID issued this tornado warning at Jun 15, 2015, 4:03 PM MDT for Bingham County, Bonneville County, Caribou County, Idaho. It was in force for 42 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
Jun 15, 2015, 4:03 PM MDT (22:03 UTC)
Expired
Jun 15, 2015, 4:45 PM MDT
In force
42 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), 105 km from the middle of the area, began a volume at 22:06 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
Jun 15, 4:36 PM MDTHAIL 1.754 N Wayan, IDMEASURED AT TIME OF EVENT. RAINING HEAVILY AT TIME OF REPORT.

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 15, 2:24 PM MDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Riverton, WY (KRIW), launched 12:00Z, 10.1 hours before the alert went out and 243 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, Riverton, WY at 12:00Z on 2015-06-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Riverton, WY at 12:00Z on 2015-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 106 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
889 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
106 m²/s²
0-3 km storm-relative helicity
345 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

274 
WFUS55 KPIH 152203
TORPIH
IDC011-019-029-152245-
/O.NEW.KPIH.TO.W.0002.150615T2203Z-150615T2245Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE POCATELLO ID
403 PM MDT MON JUN 15 2015

THE NATIONAL WEATHER SERVICE IN POCATELLO HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN BINGHAM COUNTY IN SOUTHEASTERN IDAHO...
  NORTHEASTERN CARIBOU COUNTY IN SOUTHEASTERN IDAHO...
  SOUTHEASTERN BONNEVILLE COUNTY IN SOUTHEASTERN IDAHO...

* UNTIL 445 PM MDT
    
* AT 402 PM MDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
  CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED
  JUST NORTH OF BLACKFOOT RESERVOIR...AND MOVING EAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  WAYAN 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 MOBILE
HOME OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND
PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4296 11161 4304 11160 4319 11110 4292 11105
TIME...MOT...LOC 2202Z 254DEG 23KT 4301 11159 

$$

JKEYES
2 follow-up statements
740 
WWUS55 KPIH 152214
SVSPIH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE POCATELLO ID
414 PM MDT MON JUN 15 2015

IDC011-152223-
/O.CAN.KPIH.TO.W.0002.000000T0000Z-150615T2245Z/
BINGHAM ID-
414 PM MDT MON JUN 15 2015

...THE TORNADO WARNING FOR SOUTHEASTERN BINGHAM 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 4296 11156 4304 11156 4315 11109 4292 11105
TIME...MOT...LOC 2213Z 254DEG 23KT 4303 11149 

$$

IDC019-029-152245-
/O.CON.KPIH.TO.W.0002.000000T0000Z-150615T2245Z/
CARIBOU ID-BONNEVILLE ID-
414 PM MDT MON JUN 15 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 445 PM MDT FOR
NORTHEASTERN CARIBOU AND SOUTHEASTERN BONNEVILLE COUNTIES...
    
AT 413 PM MDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE
OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED 7 MILES
NORTHWEST OF WAYAN...MOVING EAST AT 25 MPH.

LOCATIONS IMPACTED INCLUDE...
WAYAN 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 MOBILE
HOME OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND
PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4296 11156 4304 11156 4315 11109 4292 11105
TIME...MOT...LOC 2213Z 254DEG 23KT 4303 11149 

$$

JKEYES
653 
WWUS55 KPIH 152241
SVSPIH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE POCATELLO ID
441 PM MDT MON JUN 15 2015

IDC019-029-152251-
/O.EXP.KPIH.TO.W.0002.000000T0000Z-150615T2245Z/
CARIBOU ID-BONNEVILLE ID-
441 PM MDT MON JUN 15 2015

...THE TORNADO WARNING FOR NORTHEASTERN CARIBOU AND SOUTHEASTERN
BONNEVILLE COUNTIES WILL EXPIRE AT 445 PM MDT...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER APPEARS TO BE CAPABLE OF PRODUCING A TORNADO.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE. HOWEVER SMALL 
HAIL...WINDS OVER 40 MPH AND LOCALLY HEAVY RAIN ARE STILL POSSIBLE 
WITH THIS THUNDERSTORM.

LAT...LON 4296 11156 4304 11156 4315 11109 4292 11105
TIME...MOT...LOC 2238Z 254DEG 23KT 4303 11149 

$$

JKEYES

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 15, 11:39 AM MDTSpecial Weather StatementPIHCaribou2 hr
Jun 15, 2:03 PM MDTSpecial Weather StatementPIHBingham87 min
Jun 15, 2:33 PM MDTSpecial Weather StatementPIHTeton27 min
Jun 15, 2:38 PM MDTSpecial Weather StatementPIHFremont, Madison, Teton82 min
Jun 15, 2:42 PM MDTSpecial Weather StatementPIHBonneville, Madison93 min
Jun 15, 2:50 PM MDTSevere Thunderstorm WarningPIHBannock, Bingham, Bonneville, Caribou55 min
Jun 15, 3:40 PM MDTSevere Thunderstorm WarningPIHBingham, Bonneville, Caribou50 min
Jun 15, 3:46 PM MDTSpecial Weather StatementPIHCassia59 min
Jun 15, 3:54 PM MDTSevere Thunderstorm WarningPIHBonneville, Jefferson, Madison27 min
Jun 15, 4:19 PM MDTSevere Thunderstorm WarningPIHBonneville, Jefferson, Madison, Teton56 min
Jun 15, 4:22 PM MDTSevere Thunderstorm WarningPIHCassia, Oneida38 min
Jun 15, 4:44 PM MDTSpecial Weather StatementPIHCaribou31 min
Jun 15, 4:53 PM MDTTornado WarningPIHBonneville, Caribou22 min
Jun 15, 5:01 PM MDTSevere Thunderstorm WarningPIHBannock, Bingham, Blaine, Cassia, Power44 min
Jun 15, 5:25 PM MDTSevere Thunderstorm WarningPIHCassia, Oneida, Power35 min
Jun 15, 5:45 PM MDTSevere Thunderstorm WarningPIHBannock, Bingham, Blaine, Bonneville, Caribou, Power60 min
Jun 15, 5:58 PM MDTSevere Thunderstorm WarningPIHBingham, Cassia, Power47 min

Nearby

Tornado Warnings in Idaho, 2015Every tornado warning in 2015Tornadoes in 2015

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.