Alert archive / Nebraska / Tornado Warnings in 2002

Tornado Warning 1, NWS North Platte, NE

May 5, 2002Blaine County, Nebraska

NWS North Platte, NE issued this tornado warning at May 5, 2002, 6:37 PM CDT for Blaine County, Nebraska. It was in force for 23 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, 6:37 PM CDT (23:37 UTC)
Expired: May 5, 2002, 7:00 PM CDT
In force: 23 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, 6:47 PM CDT	Hail 0.75	Dunning, 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, 11.6 hours before the alert went out and 96 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 
WFUS53 KLBF 052337
TORLBF
NEC009-060000-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
637 PM CDT SUN MAY 5 2002

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* TORNADO WARNING FOR...
  BLAINE COUNTY IN NORTH CENTRAL NEBRASKA

* UNTIL 700 PM CDT...

* AT 632 PM CDT...OVER DUNNING...OR ABOUT 15 MILES SOUTHWEST OF
  BREWSTER...MOVING EAST AT 25 MPH. THIS STORM IS CAPABLE OF
  PRODUCING A TORNADO AT ANY TIME.

* THE TORNADO IS EXPECTED TO BE...
  3 MILES SOUTHWEST OF BREWSTER AROUND 700 PM CDT...

LAT...LON 4189 10025 4174 10018 4182 9969 4206 9974

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, 6:32 PM CDT	Severe Thunderstorm Warning	LBF	Blaine	43 min

Nearby

Tornado Warnings in Nebraska, 2002 Every tornado warning in 2002 Tornadoes 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.