Alert archive / Idaho / Tornado Warnings in 2014

Tornado Warning 2, NWS Pocatello, ID

August 14, 20144 counties in Idaho

NWS Pocatello, ID issued this tornado warning at Aug 14, 2014, 7:08 PM MDT for 4 counties in Idaho. It was in force for 44 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
Aug 14, 2014, 7:08 PM MDT (01:08 UTC)
Expired
Aug 14, 2014, 7:52 PM MDT
In force
44 min
Issued by
NWS Pocatello, ID
Area
Storm-based polygon

Counties Bingham County, ID, Blaine County, ID, Butte County, ID, Power County, ID

The radar

The Pocatello radar (KSFX), 42 km from the middle of the area, began a volume at 01:09 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

Boise Airport, ID (KBOI), launched 00:00Z, 1.1 hours before the alert went out and 252 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, Boise Airport, ID at 00:00Z on 2014-08-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 75 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, Boise Airport, ID at 00:00Z on 2014-08-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -16 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
75 J/kg
Mixed-layer CIN
-66 J/kg
Mixed-layer LCL
2215 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
-16 m²/s²
0-3 km storm-relative helicity
129 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.9

Open this sounding in Storm Lab

The text

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

097 
WFUS55 KPIH 150108
TORPIH
IDC011-013-023-077-150215-
/O.NEW.KPIH.TO.W.0002.140815T0108Z-140815T0215Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE POCATELLO ID
708 PM MDT THU AUG 14 2014

THE NATIONAL WEATHER SERVICE IN POCATELLO HAS ISSUED A

* TORNADO WARNING FOR...
  EAST CENTRAL BLAINE COUNTY IN CENTRAL IDAHO...
  SOUTH CENTRAL BUTTE COUNTY IN EAST CENTRAL IDAHO...
  NORTHWESTERN BINGHAM COUNTY IN SOUTHEAST IDAHO...
  NORTHWESTERN POWER COUNTY IN SOUTHEAST IDAHO...

* UNTIL 815 PM MDT

* AT 706 PM MDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
  THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 27 MILES SOUTHWEST OF
  ATOMIC CITY...OR 21 MILES NORTHWEST OF ABERDEEN...MOVING NORTHEAST
  AT 20 MPH.

* LOCATIONS THAT COULD BE AFFECTED INCLUDE...
   ATOMIC CITY...

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 4358 11317 4345 11269 4299 11310 4309 11333
TIME...MOT...LOC 0108Z 212DEG 19KT 4315 11314

$$

RS
2 follow-up statements
032 
WWUS55 KPIH 150125
SVSPIH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE POCATELLO ID
725 PM MDT THU AUG 14 2014

IDC011-013-023-077-150215-
/O.CON.KPIH.TO.W.0002.000000T0000Z-140815T0215Z/
BINGHAM ID-BUTTE ID-POWER ID-BLAINE ID-
725 PM MDT THU AUG 14 2014

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 PM MDT FOR EAST
CENTRAL BLAINE...NORTHWESTERN POWER...SOUTH CENTRAL BUTTE AND
NORTHWESTERN BINGHAM COUNTIES...

AT 718 PM MDT...NATIONAL WEATHER SERVICE RADAR CONTINUED TO INDICATE
A TORNADO.  THIS TORNADO WAS LOCATED 22 MILES SOUTHWEST OF ATOMIC
CITY...OR 22 MILES NORTHWEST OF ABERDEEN...MOVING NORTHEAST AT 20
MPH.

* LOCATIONS THAT COULD BE AFFECTED INCLUDE...
   ATOMIC CITY...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

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 4358 11317 4345 11269 4299 11310 4309 11333
TIME...MOT...LOC 0125Z 212DEG 19KT 4323 11307

$$

RS
897 
WWUS55 KPIH 150152
SVSPIH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE POCATELLO ID
752 PM MDT THU AUG 14 2014

IDC011-013-023-077-150201-
/O.CAN.KPIH.TO.W.0002.000000T0000Z-140815T0215Z/
BINGHAM ID-BUTTE ID-POWER ID-BLAINE ID-
752 PM MDT THU AUG 14 2014

...THE TORNADO WARNING FOR EAST CENTRAL BLAINE...NORTHWESTERN
POWER...SOUTH CENTRAL BUTTE AND NORTHWESTERN BINGHAM COUNTIES IS
CANCELLED...

AT 751 PM MDT...WEATHER SERVICE RADAR INDICATED THAT THE
THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE WEAKENED OR MOVED OUT
OF THE AREA. THEREFORE THE WARNING IS CANCELLED.

* LOCATIONS THAT COULD BE AFFECTED INCLUDE...
   ATOMIC CITY...

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 4358 11317 4345 11269 4299 11310 4309 11333
TIME...MOT...LOC 0151Z 212DEG 19KT 4335 11297

$$

RS

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 14, 6:03 PM MDTSpecial Weather StatementPIHPower42 min
Aug 14, 6:27 PM MDTSevere Thunderstorm WarningPIHBingham, Blaine, Power63 min
Aug 14, 8:12 PM MDTSpecial Weather StatementPIHCassia63 min
Aug 14, 8:54 PM MDTSpecial Weather StatementPIHCassia36 min
Aug 14, 11:08 PM MDTSpecial Weather StatementPIHBannock, Bonneville, Caribou82 min
Aug 15, 3:19 AM MDTSpecial Weather StatementPIHBingham, Jefferson86 min
Aug 15, 1:46 PM MDTSpecial Weather StatementPIHOneida44 min
Aug 15, 1:52 PM MDTSpecial Weather StatementPIHTeton23 min
Aug 15, 2:00 PM MDTSevere Thunderstorm WarningPIHOneida, Power49 min
Aug 15, 2:35 PM MDTSpecial Weather StatementPIHBonneville, Teton55 min
Aug 15, 3:34 PM MDTSpecial Weather StatementPIHCaribou56 min
Aug 15, 3:55 PM MDTSpecial Weather StatementPIHBannock65 min
Aug 15, 4:08 PM MDTSpecial Weather StatementPIHBannock22 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.