Alert archive / Nebraska / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 64, NWS North Platte, NE

May 24, 2003Frontier County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at May 24, 2003, 1:17 AM CDT for Frontier County, Nebraska. It was in force for 58 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: May 24, 2003, 1:17 AM CDT (06:17 UTC)
Expired: May 24, 2003, 2:15 AM CDT
In force: 58 min
Issued by: NWS North Platte, NE
Area: Counties, with a storm outline in the text

County Frontier County, NE

The radar

The Grand Island radar (KUEX), 144 km from the middle of the area, began a volume at 06:18 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
May 23, 9:45 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 6.3 hours before the alert went out and 78 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: 295 J/kg
Mixed-layer CIN: -109 J/kg
Mixed-layer LCL: 1088 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 81 m²/s²
0-3 km storm-relative helicity: 173 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.4

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KLBF 240617
SVRLBF
NEC063-240715-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
116 AM CDT SAT MAY 24 2003

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN FRONTIER COUNTY IN SOUTHWEST NEBRASKA

* UNTIL 215 AM CDT

* AT 112 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THE MOST DANGEROUS PART OF A SEVERE THUNDERSTORM 6 MILES NORTHWEST
  OF EUSTIS...OR ABOUT 14 MILES SOUTH OF GOTHENBURG...MOVING SOUTH AT
  25 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  4 MILES WEST OF EUSTIS AROUND 125 AM 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 GOLF BALL SIZE HAIL. MOVE 
TO A STURDY BUILDING AND STAY AWAY FROM WINDOWS.

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

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 300 AM CDT
SATURDAY MORNING FOR SOUTHWESTERN NEBRASKA.

LAT...LON 4070 9999 4069 10035 4035 10035 4034 10010
          4046 10010 4045 9999

$$

44

The office that day

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

Issued	Product	Office	Counties	Lasted
May 23, 7:02 PM CDT	Tornado Warning	LBF	Cherry	28 min
May 23, 7:33 PM CDT	Tornado Warning	LBF	Cherry	27 min
May 23, 8:07 PM CDT	Severe Thunderstorm Warning	LBF	Cherry	53 min
May 23, 8:57 PM CDT	Severe Thunderstorm Warning	LBF	Blaine	63 min
May 23, 9:03 PM CDT	Severe Thunderstorm Warning	LBF	Cherry	57 min
May 23, 9:52 PM CDT	Severe Thunderstorm Warning	LBF	Thomas	38 min
May 23, 11:07 PM CDT	Severe Thunderstorm Warning	LBF	Custer	53 min
May 23, 11:10 PM CDT	Severe Thunderstorm Warning	LBF	Chase, Perkins	65 min
May 24, 12:03 AM CDT	Severe Thunderstorm Warning	LBF	Custer	57 min
May 24, 12:26 AM CDT	Severe Thunderstorm Warning	LBF	Lincoln	64 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.