Alert archive / Nebraska / Tornado Warnings in 2003

Tornado Warning 28, NWS North Platte, NE

June 11, 2003Rock County, Nebraska

NWS North Platte, NE issued this tornado warning at Jun 11, 2003, 8:08 PM CDT for Rock County, Nebraska. It was in force for 37 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
Jun 11, 2003, 8:08 PM CDT (01:08 UTC)
Expired
Jun 11, 2003, 8:45 PM CDT
In force
37 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), 117 km from the middle of the area, began a volume at 01:08 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

Aberdeen, SD (KABR), launched 00:00Z, 1.1 hours before the alert went out and 265 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-pSkew-T log-p diagram, Aberdeen, SD at 00:00Z on 2003-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 69 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Aberdeen, SD at 00:00Z on 2003-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 55 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
69 J/kg
Mixed-layer CIN
-101 J/kg
Mixed-layer LCL
1547 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
55 m²/s²
0-3 km storm-relative helicity
177 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.

811 
WFUS53 KLBF 120108
TORLBF
NEC149-120145-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
806 PM CDT WED JUN 11 2003

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

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

* UNTIL 845 PM CDT

* AT 803 PM CDT...STORM SPOTTERS REPORTED A WEAK TORNADO 5 MILES
  NORTHEAST OF BASSETT...MOVING EAST AT 10 MPH.

* THE TORNADO WILL BE NEAR...
  NEWPORT AROUND 845 PM CDT

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT WEDNESDAY EVENING 
FOR NORTHWESTERN NEBRASKA.

LAT...LON 4270 9966 4252 9966 4250 9926 4277 9929
          4272 9949

$$

JWS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 11, 7:01 PM CDTSevere Thunderstorm WarningLBFLincoln44 min
Jun 11, 7:15 PM CDTSevere Thunderstorm WarningLBFBlaine, Brown45 min
Jun 11, 7:21 PM CDTTornado WarningLBFRock54 min
Jun 11, 8:04 PM CDTTornado WarningLBFBlaine41 min
Jun 11, 8:07 PM CDTSevere Thunderstorm WarningLBFLoup53 min
Jun 11, 8:10 PM CDTSevere Thunderstorm WarningLBFFrontier65 min
Jun 11, 8:11 PM CDTSevere Thunderstorm WarningLBFBrown64 min
Jun 11, 8:17 PM CDTSevere Thunderstorm WarningLBFRock58 min
Jun 11, 8:42 PM CDTTornado WarningLBFRock63 min
Jun 11, 8:46 PM CDTTornado WarningLBFBlaine44 min
Jun 11, 9:11 PM CDTTornado WarningLBFLoup49 min

Nearby

Tornado Warnings in Nebraska, 2003Every tornado warning in 2003Tornadoes 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.