Alert archive / Nebraska / Tornado Warnings in 2005

Tornado Warning 14, NWS North Platte, NE

May 17, 2005Lincoln County, Nebraska

NWS North Platte, NE issued this tornado warning at May 17, 2005, 4:44 PM CDT for Lincoln County, Nebraska. It was in force for 31 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: May 17, 2005, 4:44 PM CDT (21:44 UTC)
Expired: May 17, 2005, 5:15 PM CDT
In force: 31 min
Issued by: NWS North Platte, NE
Area: Counties, with a storm outline in the text

County Lincoln County, NE

The radar

The North Platte radar (KLNX), 81 km from the middle of the area, began a volume at 21:46 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 watch it was issued in

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

Issued	Product	Office	Lasted
May 17, 1:50 PM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 9.7 hours before the alert went out and 17 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: 64 J/kg
Mixed-layer CIN: -650 J/kg
Mixed-layer LCL: 1316 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 82 m²/s²
0-3 km storm-relative helicity: 94 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.1

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KLBF 172145
TORLBF
NEC111-172215-
/O.NEW.KLBF.TO.W.0014.050517T2144Z-050517T2215Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
444 PM CDT TUE MAY 17 2005

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN LINCOLN COUNTY IN SOUTHWEST NEBRASKA

* UNTIL 515 PM CDT

* AT 441 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR NORTH
  PLATTE...MOVING NORTHEAST AT 25 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  RURAL NORTHERN LINCOLN COUNTY AT 500 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 SAFE
STRUCTURE IS NEARBY...SEEK SHELTER IN A DITCH OR LOW SPOT AND COVER
YOUR HEAD.

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.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

LAT...LON 4125 10096 4109 10086 4122 10026 4138 10070

$$

JMC

1 follow-up statement

000 
WWUS53 KLBF 172159
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
459 PM CDT TUE MAY 17 2005

NEC111-172215-
/O.CON.KLBF.TO.W.0014.000000T0000Z-050517T2215Z/
LINCOLN NE-
459 PM CDT TUE MAY 17 2005

...A TORNADO WARNING CONTINUES UNTIL 515 PM CDT FOR NORTH CENTRAL
LINCOLN COUNTY...

AT 456 PM CDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A
SEVERE THUNDERSTORM WITH STRONG ROTATION.  THIS TORNADO WAS LOCATED 7
MILES NORTHEAST OF NORTH PLATTE...MOVING NORTHEAST AT 20 MPH.

THE TORNADO WILL BE NEAR...
  RURAL NORTHERN LINCOLN COUNTY AT 500 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 SAFE
STRUCTURE IS NEARBY...SEEK SHELTER IN A DITCH OR LOW SPOT AND COVER
YOUR HEAD.

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.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

LAT...LON 4125 10096 4109 10086 4122 10026 4138 10070

$$

JMC

The office that day

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

Issued	Product	Office	Counties	Lasted
May 17, 3:41 PM CDT	Severe Thunderstorm Warning	LBF	Lincoln	64 min
May 17, 4:08 PM CDT	Severe Thunderstorm Warning	LBF	McPherson	37 min
May 17, 4:15 PM CDT	Tornado Warning	LBF	Lincoln	30 min
May 17, 4:39 PM CDT	Severe Thunderstorm Warning	LBF	Logan, McPherson, Thomas	66 min
May 17, 5:15 PM CDT	Severe Thunderstorm Warning	LBF	Lincoln, Logan	53 min
May 17, 5:22 PM CDT	Severe Thunderstorm Warning	LBF	Brown, Cherry	53 min
May 17, 5:27 PM CDT	Severe Thunderstorm Warning	LBF	Blaine	48 min
May 17, 5:45 PM CDT	Severe Thunderstorm Warning	LBF	Logan, Thomas	41 min
May 17, 6:03 PM CDT	Severe Thunderstorm Warning	LBF	Custer	57 min
May 17, 6:05 PM CDT	Severe Thunderstorm Warning	LBF	Brown	43 min
May 17, 6:15 PM CDT	Severe Thunderstorm Warning	LBF	Blaine	45 min
May 17, 6:24 PM CDT	Severe Thunderstorm Warning	LBF	Keya Paha	52 min
May 17, 6:30 PM CDT	Severe Thunderstorm Warning	LBF	Custer	45 min

Nearby

Tornado Warnings in Nebraska, 2005 Every tornado warning in 2005 Tornadoes in 2005

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.