Alert archive / Nebraska / Tornado Warnings in 2003

Tornado Warning 55, NWS North Platte, NE

July 5, 2003Rock County, Nebraska

NWS North Platte, NE issued this tornado warning at Jul 5, 2003, 7:19 PM CDT for Rock County, Nebraska. It was in force for 41 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: Jul 5, 2003, 7:19 PM CDT (00:19 UTC)
Expired: Jul 5, 2003, 8:00 PM CDT
In force: 41 min
Issued by: NWS North Platte, NE
Area: Counties, with a storm outline in the text

County Rock County, NE

The radar

The North Platte radar (KLNX), 99 km from the middle of the area, began a volume at 00:21 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
Jul 5, 3:10 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 0.3 hours before the alert went out and 165 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: 2632 J/kg
Mixed-layer CIN: -24 J/kg
Mixed-layer LCL: 2141 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 76 m²/s²
0-3 km storm-relative helicity: 121 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 8.1

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KLBF 060019
TORLBF
NEC149-060100-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
719 PM CDT SAT JUL 5 2003

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* TORNADO WARNING FOR...
  ROCK COUNTY IN NORTH CENTRAL NEBRASKA

* UNTIL 800 PM CDT

* AT 716 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THE MOST DANGEROUS PART OF A SEVERE THUNDERSTORM WITH STRONG
  ROTATION 19 MILES SOUTH OF BASSETT...MOVING NORTHEAST AT 15 MPH.
  THIS STORM IS CAPABLE OF PRODUCING A TORNADO AT ANY TIME.

* THE DEVELOPING TORNADO WILL BE NEAR...
  10 MILES SOUTH OF NEWPORT AROUND 800 PM CDT

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM CDT SUNDAY MORNING FOR
NORTHWESTERN NEBRASKA.

LAT...LON 4217 9966 4217 9924 4264 9927 4265 9966

$$
POWER

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 5, 7:01 PM CDT	Severe Thunderstorm Warning	LBF	Rock	59 min
Jul 5, 7:06 PM CDT	Severe Thunderstorm Warning	LBF	Brown	54 min
Jul 5, 7:32 PM CDT	Severe Thunderstorm Warning	LBF	Cherry	58 min
Jul 5, 7:43 PM CDT	Severe Thunderstorm Warning	LBF	Holt	77 min
Jul 5, 8:05 PM CDT	Severe Thunderstorm Warning	LBF	Brown	55 min
Jul 5, 8:10 PM CDT	Severe Thunderstorm Warning	LBF	Rock	65 min
Jul 5, 8:11 PM CDT	Tornado Warning	LBF	Holt	49 min
Jul 5, 8:35 PM CDT	Severe Thunderstorm Warning	LBF	Blaine, Loup	55 min
Jul 5, 8:48 PM CDT	Tornado Warning	LBF	Blaine, Loup	42 min
Jul 5, 9:00 PM CDT	Tornado Warning	LBF	Holt	60 min
Jul 5, 9:26 PM CDT	Severe Thunderstorm Warning	LBF	Garfield, Wheeler	64 min
Jul 5, 9:33 PM CDT	Severe Thunderstorm Warning	LBF	Loup	27 min

Nearby

Tornado Warnings in Nebraska, 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.