Alert archive / Nebraska / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 201, NWS North Platte, NE

July 7, 2003Hooker County, Thomas County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jul 7, 2003, 10:10 PM MDT for Hooker County, Thomas County, Nebraska. It was in force for 65 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 7, 2003, 10:10 PM MDT (04:10 UTC)
Expired: Jul 7, 2003, 11:15 PM MDT
In force: 65 min
Issued by: NWS North Platte, NE
Area: Counties, with a storm outline in the text

Counties Hooker County, NE, Thomas County, NE

The radar

The North Platte radar (KLNX), 31 km from the middle of the area, began a volume at 04:11 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 7, 5:00 PM MDT	Severe Thunderstorm Watch	SPC	6 hr
Jul 7, 9:20 PM MDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 4.2 hours before the alert went out and 89 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: 3731 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 1235 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 44 m²/s²
0-3 km storm-relative helicity: 228 m²/s²
Significant tornado parameter: 2.1
Supercell composite: 17.1

Open this sounding in Storm Lab

The text

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

763 
WUUS53 KLBF 080410
SVRLBF
NEC091-171-080515-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1110 PM CDT MON JUL 7 2003

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  HOOKER COUNTY IN WEST CENTRAL NEBRASKA
  THOMAS COUNTY IN NORTH CENTRAL NEBRASKA

* UNTIL 1215 AM CDT(1115 PM MDT)

* AT 1006 PM MDT(1106 PM CDT)...NATIONAL WEATHER SERVICE DOPPLER
  RADAR INDICATED THE MOST DANGEROUS PART OF A SEVERE THUNDERSTORM
  ALONG A LINE EXTENDING FROM 5 MILES WEST OF MULLEN TO 30 MILES
  SOUTHEAST OF THEDFORD...OR ABOUT ALONG A LINE EXTENDING FROM 5
  MILES WEST OF MULLEN TO 10 MILES NORTHEAST OF GANDY...MOVING
  NORTHEAST AT 35 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  OVER SENECA AROUND 1120 PM CDT
  OVER THEDFORD AROUND 1125 PM CDT

IF YOU ARE IN THE PATH OF THIS STORM...SEEK SHELTER IN A SMALL
INTERIOR ROOM AWAY FROM WINDOWS. A BASEMENT OFFERS THE BEST
PROTECTION.

THIS THUNDERSTORM IS CAPABLE OF PRODUCING DAMAGING WINDS.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY FOR RELAY
TO THE NATIONAL WEATHER SERVICE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT 
TUESDAY MORNING(1100 PM MDT MONDAY EVENING) FOR WESTERN NEBRASKA.

LAT...LON 4178 10136 4178 10029 4205 10030 4206 10139

$$

KAR

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 7, 8:03 PM MDT	Severe Thunderstorm Warning	LBF	Deuel, Garden	57 min
Jul 7, 8:08 PM MDT	Severe Thunderstorm Warning	LBF	Chase, Keith, Perkins	52 min
Jul 7, 8:34 PM MDT	Severe Thunderstorm Warning	LBF	Arthur	26 min
Jul 7, 8:51 PM MDT	Severe Thunderstorm Warning	LBF	Frontier, Hayes, Lincoln, McPherson	54 min
Jul 7, 9:48 PM MDT	Severe Thunderstorm Warning	LBF	Frontier, Lincoln	27 min
Jul 7, 9:50 PM MDT	Severe Thunderstorm Warning	LBF	Custer, Logan	55 min
Jul 7, 10:51 PM MDT	Severe Thunderstorm Warning	LBF	Custer	39 min
Jul 8, 5:24 PM MDT	Severe Thunderstorm Warning	LBF	Sheridan	66 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2003 Every severe thunderstorm warning 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.