Alert archive / Nebraska / Tornado Warnings in 2008

Tornado Warning 14, NWS North Platte, NE

May 23, 2008Frontier County, Nebraska

NWS North Platte, NE issued this tornado warning at May 23, 2008, 3:18 PM CDT for Frontier County, Nebraska. It was in force for 27 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: May 23, 2008, 3:18 PM CDT (20:18 UTC)
Expired: May 23, 2008, 3:45 PM CDT
In force: 27 min
Issued by: NWS North Platte, NE
Area: Storm-based polygon

County Frontier County, NE

The radar

The Grand Island radar (KUEX), 141 km from the middle of the area, began a volume at 20:19 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
May 23, 3:23 PM CDT	HAIL 0.88	10 Sw Eustis, NE

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

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 23, 2:15 PM CDT	Tornado Watch PDS	SPC	7 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 8.3 hours before the alert went out and 80 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: 143 J/kg
Mixed-layer CIN: -139 J/kg
Mixed-layer LCL: 510 m above ground
0-6 km bulk shear: 79 kt
0-1 km storm-relative helicity: 292 m²/s²
0-3 km storm-relative helicity: 253 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KLBF 232018
TORLBF
NEC063-232045-
/O.NEW.KLBF.TO.W.0014.080523T2018Z-080523T2045Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
318 PM CDT FRI MAY 23 2008

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN FRONTIER COUNTY IN SOUTHWEST NEBRASKA...

* UNTIL 345 PM CDT

* AT 316 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 8 MILES
  SOUTHWEST OF EUSTIS...OR 22 MILES EAST OF CURTIS...MOVING NORTHEAST
  AT 30 MPH.

* THE TORNADO WILL BE NEAR...
  EUSTIS BY 330 PM CDT...

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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FRIDAY EVENING
FOR SOUTHWEST NEBRASKA.

LAT...LON 4070 10018 4070 9998 4069 9997 4054 9997
      4043 10000 4043 10007 4036 10007 4034 10009
      4034 10031
TIME...MOT...LOC 2018Z 205DEG 26KT 4058 10010

$$

JWS

2 follow-up statements

000 
WWUS53 KLBF 232033
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
333 PM CDT FRI MAY 23 2008

NEC063-232045-
/O.CON.KLBF.TO.W.0014.000000T0000Z-080523T2045Z/
FRONTIER NE-
333 PM CDT FRI MAY 23 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 345 PM CDT FOR EASTERN
FRONTIER COUNTY...

AT 330 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A WALL CLOUD. 
THIS TORNADO WAS LOCATED NEAR EUSTIS...OR 19 MILES SOUTHWEST OF
LEXINGTON...MOVING NORTHEAST AT 23 MPH.

THE TORNADO WILL BE NEAR...
  EUSTIS BY 340 PM CDT...

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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FRIDAY EVENING
FOR SOUTHWEST NEBRASKA.

LAT...LON 4034 10030 4035 10031 4070 10018 4070 9998
      4069 9997 4054 9997 4044 10000 4043 10007
      4036 10007 4034 10009
TIME...MOT...LOC 2033Z 208DEG 20KT 4064 10003

$$

JWS

000 
WWUS53 KLBF 232049
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
346 PM CDT FRI MAY 23 2008

NEC063-232056-
/O.EXP.KLBF.TO.W.0014.000000T0000Z-080523T2045Z/
FRONTIER NE-
346 PM CDT FRI MAY 23 2008

...THE TORNADO WARNING FOR EASTERN FRONTIER COUNTY HAS EXPIRED...

AT 345 PM CDT...THE STORM THAT PROMPTED THE WARNING HAD MOVED OUT OF 
THE COUNTY. HOWEVER...THUNDERSTORMS WILL CONTINUE OVER PARTS OF 
FRONTIER COUNTY THROUGH 430 PM CDT.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FRIDAY EVENING
FOR SOUTHWEST NEBRASKA.

LAT...LON 4034 10030 4035 10031 4070 10018 4070 9998
      4069 9997 4054 9997 4044 10000 4043 10007
      4036 10007 4034 10009
TIME...MOT...LOC 2033Z 208DEG 20KT 4064 10003

$$

JWS

The office that day

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

Issued	Product	Office	Counties	Lasted
May 22, 8:06 PM CDT	Tornado Warning	LBF	Frontier	39 min
May 23, 3:55 AM CDT	Flash Flood Watch	LBF	Chase, Custer, Frontier, Hayes, Keith, Lincoln and 1 more	24 hr
May 23, 8:07 AM CDT	Flash Flood Warning	LBF	Frontier, Hayes, Lincoln	9 hr
May 23, 2:00 PM CDT	Flash Flood Warning	LBF	Lincoln	6 hr
May 23, 2:26 PM CDT	Severe Thunderstorm Warning	LBF	Frontier	49 min
May 23, 3:13 PM CDT	Severe Thunderstorm Warning	LBF	Frontier	47 min
May 23, 4:03 PM CDT	Severe Thunderstorm Warning	LBF	Frontier, Lincoln	42 min
May 23, 4:15 PM CDT	Wind Advisory	LBF	Arthur, Chase, Cherry, Deuel, Frontier, Garden and 10 more	10 hr
May 23, 4:31 PM CDT	Severe Thunderstorm Warning	LBF	Custer	29 min
May 23, 4:44 PM CDT	Severe Thunderstorm Warning	LBF	Frontier, Lincoln	46 min
May 23, 5:02 PM CDT	Flash Flood Warning	LBF	Frontier, Hayes	6 hr

Nearby

Tornado Warnings in Nebraska, 2008 Every tornado warning in 2008 Tornadoes in 2008

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.