Alert archive / Nebraska / Tornado Warnings in 2003

Tornado Warning 57, NWS North Platte, NE

July 5, 2003Blaine County, Loup County, Nebraska

NWS North Platte, NE issued this tornado warning at Jul 5, 2003, 8:48 PM CDT for Blaine County, Loup County, Nebraska. It was in force for 42 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, 8:48 PM CDT (01:48 UTC)
Expired: Jul 5, 2003, 9:30 PM CDT
In force: 42 min
Issued by: NWS North Platte, NE
Area: Counties, with a storm outline in the text

Counties Blaine County, NE, Loup County, NE

The radar

The North Platte radar (KLNX), 60 km from the middle of the area, began a volume at 01:51 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
Jul 5, 7:20 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 1.8 hours before the alert went out and 110 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.

501 
WFUS53 KLBF 060148
TORLBF
NEC009-115-060230-

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

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* TORNADO WARNING FOR...
  LOUP COUNTY IN NORTH CENTRAL NEBRASKA
  BLAINE COUNTY IN NORTH CENTRAL NEBRASKA

* UNTIL 930 PM CDT

* AT 846 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THE MOST DANGEROUS PART OF A SEVERE THUNDERSTORM WITH STRONG
  ROTATION 6 MILES NORTH OF BREWSTER...MOVING SOUTHEAST AT 35 MPH.
  THIS STORM IS CAPABLE OF PRODUCING A TORNADO AT ANY TIME.

* THE DEVELOPING TORNADO WILL BE NEAR...
  4 MILES NORTHEAST OF BREWSTER AROUND 855 PM CDT
  3 MILES SOUTHWEST OF ALMERIA AROUND 920 PM CDT
  7 MILES WEST OF TAYLOR AROUND 930 PM CDT

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

LAT...LON 4207 10026 4176 10023 4175 9923 4207 9926

$$

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, 7:19 PM CDT	Tornado Warning	LBF	Rock	41 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, 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.