Alert archive / Nebraska / Tornado Warnings in 2004

Tornado Warning 58, NWS North Platte, NE

July 15, 2004Custer County, Nebraska

NWS North Platte, NE issued this tornado warning at Jul 15, 2004, 5:15 PM CDT for Custer County, Nebraska. It was in force for 30 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: Jul 15, 2004, 5:15 PM CDT (22:15 UTC)
Expired: Jul 15, 2004, 5:45 PM CDT
In force: 30 min
Issued by: NWS North Platte, NE
Area: Counties, with a storm outline in the text

County Custer County, NE

What was reported inside it

Time	Report	Where	Remark
Jul 15, 5:15 PM CDT	HAIL 1	7 Se Callaway, NE	DIME TO QUARTER SIZE HAIL.

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

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 10.3 hours before the alert went out and 91 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: 1600 J/kg
Mixed-layer CIN: -220 J/kg
Mixed-layer LCL: 1216 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 155 m²/s²
0-3 km storm-relative helicity: 198 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.1

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KLBF 152215
TORLBF
NEC041-152245-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
515 PM CDT THU JUL 15 2004

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* TORNADO WARNING FOR...
  CUSTER COUNTY IN CENTRAL NEBRASKA

* UNTIL 545 PM CDT

* AT 509 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING A TORNADO ALONG A
  LINE EXTENDING FROM 6 MILES EAST OF COMSTOCK TO ANSLEY TO OCONTO...
  MOVING SOUTH AT 10 MPH.

* TORNADO PRODUCING STORMS ARE EXPECTED TO BE NEAR...
  OCONTO AROUND 525 PM CDT
  MASON CITY AROUND 545 PM CDT

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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT THURSDAY EVENING
FOR NORTH CENTRAL NEBRASKA.

LAT...LON 4168 9919 4142 10007 4108 10016 4106 9921

$$

SPRINGER

The office that day

Everything else NWS North Platte, NE issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 15, 4:19 PM CDT	Severe Thunderstorm Warning	LBF	Custer	56 min
Jul 15, 5:36 PM CDT	Severe Thunderstorm Warning	LBF	Lincoln	54 min
Jul 15, 5:45 PM CDT	Severe Thunderstorm Warning	LBF	Custer	60 min
Jul 15, 6:01 PM CDT	Severe Thunderstorm Warning	LBF	Holt	59 min
Jul 15, 6:36 PM CDT	Severe Thunderstorm Warning	LBF	Lincoln	54 min
Jul 15, 6:48 PM CDT	Tornado Warning	LBF	Holt	27 min
Jul 15, 6:54 PM CDT	Severe Thunderstorm Warning	LBF	Frontier	66 min

Nearby

Tornado Warnings in Nebraska, 2004 Every tornado warning in 2004 Tornadoes in 2004

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.