Alert archive / Idaho / Tornado Warnings in 2003

Tornado Warning 2, NWS Pocatello, ID

April 28, 2003Power County, Idaho

NWS Pocatello, ID issued this tornado warning at Apr 28, 2003, 4:06 PM MDT for Power County, Idaho. It was in force for 39 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: Apr 28, 2003, 4:06 PM MDT (22:06 UTC)
Expired: Apr 28, 2003, 4:45 PM MDT
In force: 39 min
Issued by: NWS Pocatello, ID
Area: Counties, with a storm outline in the text

County Power County, ID

The radar

The Pocatello radar (KSFX), 48 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.

The nearest sounding before it

Elko, NV (KLKN), launched 12:00Z, 10.1 hours before the alert went out and 231 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 658 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 55 m²/s²
0-3 km storm-relative helicity: 80 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.

910 
WFUS55 KPIH 282206
TORPIH
IDC077-282245-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE POCATELLO/IDAHO FALLS ID
405 PM MDT MON APR 28 2003

THE NATIONAL WEATHER SERVICE IN POCATELLO/IDAHO FALLS HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL POWER COUNTY IN IDAHO
  THIS INCLUDES THE CITIES OF...NEELEY...AMERICAN FALLS

* UNTIL 445 PM MDT

* AT 403 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 12 MILES WEST OF NEELEY...MOVING EAST AT 20 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR NEELEY AT 435 PM MDT AND
  3 MILES SOUTH OF AMERICAN FALLS AT 440 PM MDT

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.

LAT...LON 4278 11315 4261 11311 4265 11271 4287 11280

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 28, 3:30 PM MDT	Tornado Warning	PIH	Minidoka	30 min
Apr 28, 3:54 PM MDT	Severe Thunderstorm Warning	PIH	Power	66 min
Apr 28, 4:47 PM MDT	Tornado Warning	PIH	Power	28 min
Apr 28, 5:11 PM MDT	Tornado Warning	PIH	Bannock, Bingham, Power	34 min
Apr 28, 5:46 PM MDT	Severe Thunderstorm Warning	PIH	Bingham	59 min

Nearby

Tornado Warnings in Idaho, 2003 Every tornado warning in 2003 Tornadoes in 2003

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.