Alert archive / Nebraska / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 46, NWS North Platte, NE

May 28, 2002Frontier County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at May 28, 2002, 5:41 PM CDT for Frontier County, Nebraska. It was in force for 34 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: May 28, 2002, 5:41 PM CDT (22:41 UTC)
Expired: May 28, 2002, 6:15 PM CDT
In force: 34 min
Issued by: NWS North Platte, NE
Area: Counties, with a storm outline in the text

County Frontier County, NE

The radar

The Goodland radar (KGLD), 149 km from the middle of the area, began a volume at 22:44 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.

What was reported inside it

Time	Report	Where	Remark
May 28, 5:45 PM CDT	Hail 0.75	Maywood, NE

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 10.7 hours before the alert went out and 77 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: 12 J/kg
Mixed-layer CIN: -451 J/kg
Mixed-layer LCL: 1604 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 114 m²/s²
0-3 km storm-relative helicity: 176 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 
WUUS53 KLBF 282241
SVRLBF
NEC063-282315-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
541 PM CDT TUE MAY 28 2002

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

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

* UNTIL 615 PM CDT...

* AT 539 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THE MOST DANGEROUS PART OF A SEVERE THUNDERSTORM OVER EXTREME
  SOUTHWESTERN FRONTIER COUNTY...OR ABOUT 14 MILES NORTH OF
  CULBERTSON...MOVING SOUTHEAST AT 15 MPH.

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.

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

LAT...LON 4054 10069 4050 10076 4036 10077 4034 10076
          4034 10044 4048 10049

The office that day

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

Issued	Product	Office	Counties	Lasted
May 27, 7:27 PM CDT	Severe Thunderstorm Warning	LBF	Arthur, McPherson	48 min
May 27, 7:33 PM CDT	Severe Thunderstorm Warning	LBF	Cherry	57 min
May 27, 7:37 PM CDT	Tornado Warning	LBF	Hooker	38 min
May 27, 8:07 PM CDT	Severe Thunderstorm Warning	LBF	Logan, McPherson, Thomas	23 min
May 27, 8:19 PM CDT	Severe Thunderstorm Warning	LBF	Lincoln	56 min
May 27, 8:33 PM CDT	Severe Thunderstorm Warning	LBF	Blaine, Thomas	42 min
May 27, 8:45 PM CDT	Severe Thunderstorm Warning	LBF	Lincoln	60 min
May 27, 10:28 PM CDT	Severe Thunderstorm Warning	LBF	Custer	32 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2002 Every severe thunderstorm warning in 2002

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.