Alert archive / Idaho / Tornado Warnings in 2015

Tornado Warning 3, NWS Pocatello, ID

June 15, 2015Bonneville County, Caribou County, Idaho

NWS Pocatello, ID issued this tornado warning at Jun 15, 2015, 4:53 PM MDT for Bonneville County, Caribou County, Idaho. It was in force for 22 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, 4:53 PM MDT (22:53 UTC)
Expired
Jun 15, 2015, 5:15 PM MDT
In force
22 min
Issued by
NWS Pocatello, ID
Area
Storm-based polygon

Counties Bonneville County, ID, Caribou County, ID

The radar

The Pocatello radar (KSFX), 123 km from the middle of the area, began a volume at 22:53 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, 5:04 PM MDTHAIL 1Freedom, IDPICTURE OF A FEW STONES AROUND 1 INCH. MOST WERE SMALLER.

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, 10.9 hours before the alert went out and 227 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°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.

247 
WFUS55 KPIH 152253
TORPIH
IDC019-029-152315-
/O.NEW.KPIH.TO.W.0003.150615T2253Z-150615T2315Z/

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

THE NATIONAL WEATHER SERVICE IN POCATELLO HAS ISSUED A

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

* UNTIL 515 PM MDT
    
* AT 452 PM MDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
  CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED
  NEAR FREEDOM...OR 9 MILES NORTHWEST OF THAYNE...AND MOVING EAST AT
  35 MPH.

  IN ADDITION...PING PONG BALL SIZE HAIL AND WINDS OVER 60 MPH ARE 
  POSSIBLE WITH THIS STORM!

* LOCATIONS IMPACTED INCLUDE...
  FREEDOM.

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 4289 11128 4307 11128 4309 11104 4287 11104
TIME...MOT...LOC 2252Z 271DEG 28KT 4299 11117 

$$
JKEYES
1 follow-up statement
934 
WWUS55 KPIH 152311
SVSPIH

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

IDC019-029-152320-
/O.EXP.KPIH.TO.W.0003.000000T0000Z-150615T2315Z/
CARIBOU ID-BONNEVILLE ID-
511 PM MDT MON JUN 15 2015

...THE TORNADO WARNING FOR NORTHEASTERN CARIBOU AND SOUTHEASTERN
BONNEVILLE COUNTIES WILL EXPIRE AT 515 PM MDT...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED INTO WESTERN 
WYOMING...THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.

LAT...LON 4289 11128 4307 11128 4309 11104 4287 11104
TIME...MOT...LOC 2307Z 271DEG 28KT 4299 11117 

$$

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, 4:03 PM MDTTornado WarningPIHBingham, Bonneville, Caribou42 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, 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.