Alert archive / Nebraska / Tornado Warnings in 2001

Tornado Warning 15, NWS North Platte, NE

July 4, 2001Hooker County, Nebraska

NWS North Platte, NE issued this tornado warning at Jul 4, 2001, 5:33 PM MDT for Hooker County, Nebraska. It was in force for 42 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 4, 2001, 5:33 PM MDT (23:33 UTC)
Expired: Jul 4, 2001, 6:15 PM MDT
In force: 42 min
Issued by: NWS North Platte, NE
Area: Whole counties

County Hooker County, NE

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jul 4, 5:15 PM MDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 11.6 hours before the alert went out and 98 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: 897 J/kg
Mixed-layer CIN: -247 J/kg
Mixed-layer LCL: 1420 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: -3 m²/s²
0-3 km storm-relative helicity: 21 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 
WFUS53 KLBF 042333
TORLBF

NEC091-050015-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
533 PM MDT WED JUL 4 2001

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* TORNADO WARNING FOR...
  WESTERN HOOKER COUNTY IN WEST CENTRAL NEBRASKA

* UNTIL 615 PM MDT

* AT 531 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  THUNDERSTORM WITH A POSSIBLE TORNADO OVER WEST CENTRAL HOOKER
  COUNTY...OR ABOUT 17 MILES SOUTHWEST OF MULLEN...MOVING SOUTH AT 15
  MPH.

* THE TORNADO IS EXPECTED TO BE...
  OVER FARM AND RANGELANDS OF WESTERN HOOKER COUNTY JUST NORTH OF 
  THE DISMAL RIVER.

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

LAT...LON 4204 10114 4205 10o140 4178 10138 4177 10114

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 3, 9:05 PM MDT	Severe Thunderstorm Warning	LBF	Cherry	55 min
Jul 3, 9:55 PM MDT	Severe Thunderstorm Warning	LBF	Cherry	65 min
Jul 4, 4:46 AM MDT	Severe Thunderstorm Warning	LBF	Sheridan	44 min
Jul 4, 6:47 AM MDT	Severe Thunderstorm Warning	LBF	Sheridan	43 min
Jul 4, 4:17 PM MDT	Severe Thunderstorm Warning	LBF	Hooker	43 min
Jul 4, 4:33 PM MDT	Severe Thunderstorm Warning	LBF	Cherry	57 min
Jul 4, 4:57 PM MDT	Severe Thunderstorm Warning	LBF	Hooker	63 min
Jul 4, 5:25 PM MDT	Severe Thunderstorm Warning	LBF	Sheridan	35 min
Jul 4, 5:34 PM MDT	Severe Thunderstorm Warning	LBF	Cherry	56 min
Jul 4, 5:41 PM MDT	Severe Thunderstorm Warning	LBF	Garden	64 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.