Alert archive / Nebraska / Tornado Warnings in 2003

Tornado Warning 29, NWS North Platte, NE

June 11, 2003Rock County, Nebraska

NWS North Platte, NE issued this tornado warning at Jun 11, 2003, 8:42 PM CDT for Rock County, Nebraska. It was in force for 63 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, 8:42 PM CDT (01:42 UTC)
Expired
Jun 11, 2003, 9:45 PM CDT
In force
63 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), 97 km from the middle of the area, began a volume at 01:43 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

Omaha, NE (KOAX), launched 00:00Z, 1.7 hours before the alert went out and 281 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, Omaha, NE at 00:00Z on 2003-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 26 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, Omaha, NE at 00:00Z on 2003-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 square meters per square second.1939Sfc1 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
26 J/kg
Mixed-layer CIN
-227 J/kg
Mixed-layer LCL
1651 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
164 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 120142
TORLBF
NEC149-120245-

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

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

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

* UNTIL 945 PM CDT

* AT 838 PM CDT...STORM SPOTTERS REPORTED A WEAK TORNADO 8 MILES
  NORTHEAST OF ROSE...OR ABOUT 24 MILES SOUTH OF BASSETT...MOVING
  EAST AT 5 MPH.

* THE TORNADO WILL BE NEAR...
  FARM AND RANGELANDS OF SOUTHERN ROCK COUNTY

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT WEDNESDAY EVENING 
FOR NORTHWESTERN NEBRASKA. A TORNADO WATCH ALSO REMAINS IN EFFECT 
UNTIL 1100 PM CDT WEDNESDAY EVENING FOR NORTH CENTRAL NEBRASKA.

LAT...LON 4243 9966 4209 9965 4210 9924 4248 9925

$$

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, 8:08 PM CDTTornado WarningLBFRock37 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, 8:46 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.