Alert archive / Nebraska / Tornado Warnings in 1998

Tornado Warning 2, NWS North Platte, NE

March 28, 1998McPherson County, Nebraska

NWS North Platte, NE issued this tornado warning at Mar 28, 1998, 8:22 PM CST for McPherson County, Nebraska. It was in force for 63 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Mar 28, 1998, 8:22 PM CST (02:22 UTC)
Expired
Mar 28, 1998, 9:25 PM CST
In force
63 min
Issued by
NWS North Platte, NE
Area
Whole counties

County McPherson County, NE

The radar

The North Platte radar (KLNX), 59 km from the middle of the area, began a volume at 02:25 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

TimeReportWhereRemark
Mar 28, 8:35 PM CSTHail 1.5Flats, 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 00:00Z, 2.4 hours before the alert went out and 62 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-pSkew-T log-p diagram, N. Platte/Lee Bi, NE at 00:00Z on 1998-03-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 172 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, N. Platte/Lee Bi, NE at 00:00Z on 1998-03-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 256 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
-33 J/kg
Mixed-layer LCL
665 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
256 m²/s²
0-3 km storm-relative helicity
406 m²/s²
Significant tornado parameter
0.4
Supercell composite
5.6

Open this sounding in Storm Lab

The text

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

956 
WFUS1 KLBF 290225 RRA
TORLBF
NEC117-290325-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
822 PM CST SAT MAR 28 1998

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE NE HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 925 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN WEST CENTRAL NEBRASKA

   ...WESTERN MCPHERSON COUNTY
 
AT 819 PM CST...A POSSIBLE TORNADO WAS INDICATED BY NORTH PLATTE
DOPPLER RADAR 31 MILES NORTH NORTHEAST OF OGALLALA OR 4 MILES WEST
SOUTHWEST OF FLATS MOVING EAST NORTHEAST AT 30 MPH.

THE TORNADO IS EXPECTED TO BE NEAR...
  FLATS                        BY 830 PM CST
 
THIS IS A DANGEROUS STORM SITUATION.  ACT QUICKLY.  IF YOU ARE IN
THE PATH OF THIS TORNADO MOVE TO A SHELTER BELOW GROUND IF
AVAILABLE.  OTHERWISE...GO TO A SMALL INTERIOR ROOM ON THE LOWEST
FLOOR POSSIBLE.

M. MUTCHLER

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 28, 6:52 PM CSTSevere Thunderstorm WarningLBFGarden63 min
Mar 28, 7:15 PM CSTSevere Thunderstorm WarningLBFArthur, Keith65 min
Mar 28, 7:28 PM CSTTornado WarningLBFArthur62 min
Mar 28, 8:26 PM CSTSevere Thunderstorm WarningLBFSheridan64 min
Mar 28, 8:31 PM CSTSevere Thunderstorm WarningLBFArthur49 min
Mar 28, 9:15 PM CSTTornado WarningLBFHooker35 min
Mar 28, 9:22 PM CSTTornado WarningLBFThomas63 min
Mar 28, 10:13 PM CSTSevere Thunderstorm WarningLBFBlaine, Brown, Cherry62 min
Mar 28, 10:13 PM CSTSevere Thunderstorm WarningLBFThomas62 min
Mar 28, 10:38 PM CSTSevere Thunderstorm WarningLBFSheridan62 min
Mar 28, 10:52 PM CSTSevere Thunderstorm WarningLBFCherry63 min
Mar 28, 11:13 PM CSTSevere Thunderstorm WarningLBFBrown, Rock62 min
Mar 28, 11:56 PM CSTSevere Thunderstorm WarningLBFRock49 min
Mar 29, 1:24 AM CSTSevere Thunderstorm WarningLBFCherry46 min

Nearby

Tornado Warnings in Nebraska, 1998Every tornado warning in 1998Tornadoes in 1998

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.