Alert archive / Idaho / Tornado Warnings in 2014

Tornado Warning 8, NWS Pocatello, ID

August 23, 2014Bear Lake County, Caribou County, Idaho

NWS Pocatello, ID issued this tornado warning at Aug 23, 2014, 1:02 PM MDT for Bear Lake County, Caribou County, Idaho. It was in force for 27 min. 2 reports 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 23, 2014, 1:02 PM MDT (19:02 UTC)
Expired
Aug 23, 2014, 1:29 PM MDT
In force
27 min
Issued by
NWS Pocatello, ID
Area
Storm-based polygon

Counties Bear Lake County, ID, Caribou County, ID

The radar

The Pocatello radar (KSFX), 108 km from the middle of the area, began a volume at 19:02 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
Aug 23, 1:04 PM MDTFUNNEL CLOUDNw Soda Springs, IDA FUNNEL CLOUD WAS REPORTED BY THE GENERAL PUBLIC NW OF SODA SPRINGS.
Aug 23, 1:04 PM MDTHAIL 0.251 Wsw Soda Springs, IDPEA SIZE HAIL

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 12:00Z, 7.0 hours before the alert went out and 210 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 12:00Z on 2014-08-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 6 joules per kilogram.LCLLFCEL10008507005003002001001 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 12:00Z on 2014-08-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 117 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
6 J/kg
Mixed-layer CIN
-184 J/kg
Mixed-layer LCL
1314 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
117 m²/s²
0-3 km storm-relative helicity
50 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

867 
WFUS55 KPIH 231902
TORPIH
IDC007-029-232000-
/O.NEW.KPIH.TO.W.0008.140823T1902Z-140823T2000Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE POCATELLO ID
102 PM MDT SAT AUG 23 2014

THE NATIONAL WEATHER SERVICE IN POCATELLO HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN BEAR LAKE COUNTY IN SOUTHEAST IDAHO...
  SOUTHERN CARIBOU COUNTY IN SOUTHEAST IDAHO...
  THIS INCLUDES THE CITY OF SODA SPRINGS...

* UNTIL 200 PM MDT

* AT 1254 PM MDT...THE PUBLIC REPORTED A TORNADO 7 MILES WEST OF SODA
  SPRINGS...MOVING SOUTHEAST AT 10 MPH.

* LOCATIONS THAT COULD BE AFFECTED INCLUDE...
   SODA SPRINGS...
   CONDA...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

STAY TUNED TO THIS BROADCAST FOR THE LATEST UPDATES AND INFORMATION.
TO REPORT SEVERE WEATHER ONLY...CALL 1 800 8 7 7 1 9 3 7.

&&

LAT...LON 4267 11126 4243 11144 4265 11186 4281 11174
TIME...MOT...LOC 1900Z 299DEG 9KT 4269 11169

$$

HUSTON
1 follow-up statement
222 
WWUS55 KPIH 231929
SVSPIH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE POCATELLO ID
129 PM MDT SAT AUG 23 2014

IDC007-029-231939-
/O.CAN.KPIH.TO.W.0008.000000T0000Z-140823T2000Z/
BEAR LAKE ID-CARIBOU ID-
129 PM MDT SAT AUG 23 2014

...THE TORNADO WARNING FOR SOUTHERN CARIBOU AND NORTHWESTERN BEAR
LAKE COUNTIES IS CANCELLED...

AT 129 PM MDT...WEATHER SERVICE RADAR AND SPOTTERS INDICATED THAT 
THE THUNDERSTORM WHICH PROMPTED THE WARNING HAS WEAKENED. THEREFORE 
THE WARNING IS CANCELLED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

STAY TUNED TO THIS BROADCAST FOR THE LATEST UPDATES AND INFORMATION.
TO REPORT SEVERE WEATHER ONLY...CALL 1 800 8 7 7 1 9 3 7.

&&

LAT...LON 4267 11126 4243 11144 4265 11186 4281 11174
TIME...MOT...LOC 1929Z 299DEG 9KT 4265 11160

$$

HUSTON

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 22, 6:52 PM MDTSpecial Weather StatementPIHLincoln38 min
Aug 22, 7:13 PM MDTSpecial Weather StatementPIHLincoln47 min
Aug 22, 7:25 PM MDTSevere Thunderstorm WarningPIHLincoln50 min
Aug 22, 8:36 PM MDTSpecial Weather StatementPIHCassia54 min
Aug 22, 8:47 PM MDTSevere Thunderstorm WarningPIHCassia, Minidoka43 min
Aug 23, 12:50 PM MDTSpecial Weather StatementPIHBingham85 min
Aug 23, 12:53 PM MDTSpecial Weather StatementPIHCaribou82 min
Aug 23, 1:11 PM MDTSpecial Weather StatementPIHJefferson49 min
Aug 23, 1:14 PM MDTSpecial Weather StatementPIHFranklin61 min
Aug 23, 1:35 PM MDTSpecial Weather StatementPIHFranklin55 min
Aug 23, 1:54 PM MDTSpecial Weather StatementPIHBear Lake51 min
Aug 23, 2:35 PM MDTSpecial Weather StatementPIHFranklin55 min
Aug 23, 2:40 PM MDTSpecial Weather StatementPIHBear Lake65 min

Nearby

Tornado Warnings in Idaho, 2014Every tornado warning in 2014Tornadoes in 2014

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.