Alert archive / Nebraska / Tornado Warnings in 2004

Tornado Warning 68, NWS North Platte, NE

August 23, 2004Blaine County, Nebraska

NWS North Platte, NE issued this tornado warning at Aug 23, 2004, 6:51 PM CDT for Blaine County, Nebraska. 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: Aug 23, 2004, 6:51 PM CDT (23:51 UTC)
Expired: Aug 23, 2004, 7:30 PM CDT
In force: 39 min
Issued by: NWS North Platte, NE
Area: Counties, with a storm outline in the text

County Blaine County, NE

The radar

The North Platte radar (KLNX), 47 km from the middle of the area, began a volume at 23:52 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Aug 23, 5:05 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 11.9 hours before the alert went out and 97 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: 1019 J/kg
Mixed-layer CIN: -169 J/kg
Mixed-layer LCL: 1454 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 62 m²/s²
0-3 km storm-relative helicity: 94 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.

000 
WFUS53 KLBF 232351
TORLBF
NEC009-240030-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
650 PM CDT MON AUG 23 2004

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* TORNADO WARNING FOR...
  BLAINE COUNTY IN NORTH CENTRAL NEBRASKA
  THIS INCLUDES THE CITY OF BREWSTER

* UNTIL 730 PM CDT

* AT 647 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR DUNNING...
  OR ABOUT 11 MILES SOUTHWEST OF BREWSTER...MOVING EAST AT 10 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  BREWSTER BY 730 PM CDT

A TRAINED SPOTTER REPORTED A FUNNEL CLOUD AT 647 PM NEAR THE CITY OF 
DUNNING MOVING EAST. 

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 SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT
MONDAY EVENING FOR WESTERN NEBRASKA.

LAT...LON 4188 10018 4175 10011 4176 9971 4201 9980
      4201 10010

$$

MASEK

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 23, 1:14 AM CDT	Severe Thunderstorm Warning	LBF	Cherry	61 min
Aug 23, 5:03 PM CDT	Severe Thunderstorm Warning	LBF	Keith	42 min
Aug 23, 5:24 PM CDT	Severe Thunderstorm Warning	LBF	Blaine	66 min
Aug 23, 6:29 PM CDT	Severe Thunderstorm Warning	LBF	Blaine	61 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.