Alert archive / Nebraska / Tornado Warnings in 2000

Tornado Warning 27, NWS North Platte, NE

July 9, 2000Grant County, Hooker County, Nebraska

NWS North Platte, NE issued this tornado warning at Jul 9, 2000, 4:51 PM MDT for Grant County, Hooker County, Nebraska. It was in force for 39 min. 3 reports came from 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, with what was reported inside it.

The facts

Issued: Jul 9, 2000, 4:51 PM MDT (22:51 UTC)
Expired: Jul 9, 2000, 5:30 PM MDT
In force: 39 min
Issued by: NWS North Platte, NE
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Grant County, NE, Hooker County, NE

The radar

The North Platte radar (KLNX), 83 km from the middle of the area, began a volume at 22:53 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

Time	Report	Where	Remark
Jul 9, 5:00 PM MDT	Hail 0.88	Whitman, NE
Jul 9, 5:24 PM MDT	Thunderstorm Wind	Mullen, NE	Large tree down.
Jul 9, 5:30 PM MDT	Hail 2.75	Mullen, 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, 10.9 hours before the alert went out and 125 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: 298 J/kg
Mixed-layer CIN: -581 J/kg
Mixed-layer LCL: 1592 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 276 m²/s²
0-3 km storm-relative helicity: 284 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 092252
TORLBF

NEC075-091-092330-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
451 PM MDT SUN JUL 9 2000

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN GRANT COUNTY IN WEST CENTRAL NEBRASKA
  NORTHWESTERN HOOKER COUNTY IN WEST CENTRAL NEBRASKA

* UNTIL 530 PM MDT

* AT 448 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH A POSSIBLE TORNADO 5 MILES SOUTHWEST OF
  WHITMAN...OR ABOUT 29 MILES WEST OF MULLEN...MOVING EAST AT 15 MPH.

THIS IS A DANGEROUS STORM SITUATION. ACT QUICKLY...IT MAY SAVE YOUR
LIFE.

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.

THIS WARNING REPLACES THE PREVIOUS SEVERE THUNDERSTORM WARNING FOR 
NORTHERN GRANT COUNTY.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM MDT SUNDAY
EVENING FOR NORTH CENTRAL NEBRASKA.

LAT...LON 4207 10183 4186 10180 4187 10121 4208 10121

$$
JWS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 9, 3:20 PM MDT	Severe Thunderstorm Warning	LBF	Cherry	55 min
Jul 9, 3:31 PM MDT	Severe Thunderstorm Warning	LBF	Grant	59 min
Jul 9, 4:13 PM MDT	Severe Thunderstorm Warning	LBF	Cherry	62 min
Jul 9, 4:28 PM MDT	Severe Thunderstorm Warning	LBF	Grant	62 min
Jul 9, 4:35 PM MDT	Tornado Warning	LBF	Cherry	40 min
Jul 9, 5:29 PM MDT	Tornado Warning	LBF	Hooker	46 min
Jul 9, 5:54 PM MDT	Tornado Warning	LBF	McPherson	66 min

Nearby

Tornado Warnings in Nebraska, 2000 Every tornado warning in 2000 Tornadoes in 2000

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.