Alert archive / Nebraska / Tornado Warnings in 2003

Tornado Warning 16, NWS North Platte, NE

June 9, 2003Holt County, Nebraska

NWS North Platte, NE issued this tornado warning at Jun 9, 2003, 6:38 PM CDT for Holt County, Nebraska. It was in force for 52 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 9, 2003, 6:38 PM CDT (23:38 UTC)
Expired: Jun 9, 2003, 7:30 PM CDT
In force: 52 min
Issued by: NWS North Platte, NE
Area: Counties, with a storm outline in the text

County Holt County, NE

The radar

The North Platte radar (KLNX), 174 km from the middle of the area, began a volume at 23:40 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
Jun 9, 2:55 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 11.6 hours before the alert went out and 228 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: 343 J/kg
Mixed-layer CIN: -293 J/kg
Mixed-layer LCL: 1527 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 191 m²/s²
0-3 km storm-relative helicity: 233 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

Open this sounding in Storm Lab

The text

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

256 
WFUS53 KLBF 092338
TORLBF
NEC089-100030-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
636 PM CDT MON JUN 9 2003

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN HOLT COUNTY IN NORTH CENTRAL NEBRASKA

* UNTIL 730 PM CDT

* AT 635 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THE MOST DANGEROUS PART OF A SEVERE THUNDERSTORM WITH STRONG
  ROTATION 4 MILES SOUTHWEST OF EMMET...OR ABOUT 11 MILES WEST OF
  ONEILL...MOVING NORTHEAST AT 25 MPH. THIS STORM IS CAPABLE OF
  PRODUCING A TORNADO AT ANY TIME.

* THE DEVELOPING TORNADO WILL BE NEAR...
  OVER EMMET AROUND 645 PM CDT
  5 MILES NORTHWEST OF ONEILL AROUND 700 PM CDT

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT MONDAY EVENING FOR
NORTH CENTRAL NEBRASKA. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL
1000 PM CDT MONDAY EVENING FOR WESTERN NEBRASKA.

LAT...LON 4283 9886 4210 9885 4210 9832 4276 9835
          4276 9854

$$

DP

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 9, 5:11 PM CDT	Severe Thunderstorm Warning	LBF	Keya Paha	64 min
Jun 9, 5:47 PM CDT	Severe Thunderstorm Warning	LBF	Custer	58 min
Jun 9, 5:54 PM CDT	Severe Thunderstorm Warning	LBF	Boyd	51 min
Jun 9, 6:02 PM CDT	Tornado Warning	LBF	Keya Paha	43 min
Jun 9, 6:18 PM CDT	Tornado Warning	LBF	Holt, Keya Paha, Rock	57 min
Jun 9, 6:45 PM CDT	Severe Thunderstorm Warning	LBF	Custer	45 min
Jun 9, 6:52 PM CDT	Tornado Warning	LBF	Custer	38 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.