Alert archive / Nebraska / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 6, NWS North Platte, NE

May 5, 2002Blaine County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at May 5, 2002, 6:32 PM CDT for Blaine County, Nebraska. It was in force for 43 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 5, 2002, 6:32 PM CDT (23:32 UTC)
Expired: May 5, 2002, 7:15 PM CDT
In force: 43 min
Issued by: NWS North Platte, NE
Area: Counties, with a storm outline in the text

County Blaine County, NE

What was reported inside it

Time	Report	Where	Remark
May 5, 6:45 PM CDT	Hail 0.75	Brewster, 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, 11.5 hours before the alert went out and 103 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: 172 J/kg
Mixed-layer CIN: -207 J/kg
Mixed-layer LCL: 655 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 169 m²/s²
0-3 km storm-relative helicity: 156 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.1

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KLBF 052332
SVRLBF
NEC009-060015-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
632 PM CDT SUN MAY 5 2002

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BLAINE COUNTY IN NORTH CENTRAL NEBRASKA...

* UNTIL 715 PM CDT...

* AT 627 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THE MOST DANGEROUS PART OF A SEVERE THUNDERSTORM 5 MILES SOUTHWEST
  OF BREWSTER...MOVING NORTHEAST AT 15 MPH.

* THE SEVERE THUNDERSTORM WILL BE...

  OVER BREWSTER AROUND 640 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.

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

LAT...LON 4199 10016 4176 10011 4179 9972 4209 9969

The office that day

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

Issued	Product	Office	Counties	Lasted
May 5, 5:02 PM CDT	Severe Thunderstorm Warning	LBF	Lincoln	43 min
May 5, 5:12 PM CDT	Severe Thunderstorm Warning	LBF	Holt	48 min
May 5, 5:44 PM CDT	Severe Thunderstorm Warning	LBF	Lincoln	46 min
May 5, 6:00 PM CDT	Severe Thunderstorm Warning	LBF	Holt	45 min
May 5, 6:29 PM CDT	Severe Thunderstorm Warning	LBF	Lincoln	46 min
May 5, 6:37 PM CDT	Tornado Warning	LBF	Blaine	23 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.