Alert archive / Nebraska / Tornado Warnings in 2001

Tornado Warning 3, NWS North Platte, NE

June 9, 2001McPherson County, Nebraska

NWS North Platte, NE issued this tornado warning at Jun 9, 2001, 10:06 PM CDT for McPherson County, Nebraska. It was in force for 24 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued: Jun 9, 2001, 10:06 PM CDT (03:06 UTC)
Expired: Jun 9, 2001, 10:30 PM CDT
In force: 24 min
Issued by: NWS North Platte, NE
Area: Whole counties; the outline is the Mesonet’s reconstruction

County McPherson County, NE

The radar

The North Platte radar (KLNX), 62 km from the middle of the area, began a volume at 03:07 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 nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 3.1 hours before the alert went out and 60 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: 3187 J/kg
Mixed-layer CIN: -48 J/kg
Mixed-layer LCL: 1522 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 158 m²/s²
0-3 km storm-relative helicity: 333 m²/s²
Significant tornado parameter: 2.6
Supercell composite: 27.1

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KLBF 100307
TORLBF
NEC117-100330-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1006 PM CDT SAT JUN 9 2001

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN MCPHERSON COUNTY IN WEST CENTRAL NEBRASKA

* UNTIL 1030 PM CDT

* AT 1001 PM CDT...THE A PASSING MOTORIST REPORTED A TORNADO AT AN 
  UNKNOWN DISTANCE NORTH OF INTERSTATE 80.

* THE TORNADO IS EXPECTED TO BE...
  10 MILES SOUTHWEST OF TRYON AROUND 1015 PM CDT
  10 MILES SOUTHWEST OF RINGGOLD AROUND 1030 PM CDT

DO NOT USE YOUR CAR TO TRY TO OUTRUN A TORNADO. CARS ARE EASILY
TOSSED AROUND BY TORNADO WINDS. IF YOU ARE CAUGHT IN THE PATH  OF A
TORNADO...LEAVE THE CAR AND GO TO A STRONG BUILDING. IF NO STRUCTURE
IS NEARBY...SEEK SHELTER IN A DITCH OR LOW SPOT.

LAT...LON 4162 10127 4143 10137 4142 10073 4162 10072
$$

SPRINGER

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 9, 8:22 PM CDT	Severe Thunderstorm Warning	LBF	Grant, Hooker, Thomas	53 min
Jun 9, 9:13 PM CDT	Severe Thunderstorm Warning	LBF	Cherry	47 min
Jun 9, 9:58 PM CDT	Severe Thunderstorm Warning	LBF	Brown, Cherry, Keya Paha	62 min
Jun 9, 10:35 PM CDT	Severe Thunderstorm Warning	LBF	Boyd, Holt, Rock	55 min
Jun 9, 11:02 PM CDT	Severe Thunderstorm Warning	LBF	Brown, Keya Paha	58 min
Jun 9, 11:27 PM CDT	Severe Thunderstorm Warning	LBF	Holt, Rock	63 min
Jun 10, 1:04 AM CDT	Severe Thunderstorm Warning	LBF	Holt, Wheeler	26 min

Nearby

Tornado Warnings in Nebraska, 2001 Every tornado warning in 2001 Tornadoes in 2001

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.