Alert archive / Nebraska / Tornado Warnings in 2009

Tornado Warning 72, NWS North Platte, NE

September 24, 2009Lincoln County, Nebraska

NWS North Platte, NE issued this tornado warning at Sep 24, 2009, 2:44 PM CDT for Lincoln County, Nebraska. It was in force for 31 min. 3 reports 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
Sep 24, 2009, 2:44 PM CDT (19:44 UTC)
Expired
Sep 24, 2009, 3:15 PM CDT
In force
31 min
Issued by
NWS North Platte, NE
Area
Storm-based polygon

County Lincoln County, NE

The radar

The North Platte radar (KLNX), 108 km from the middle of the area, began a volume at 19:44 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

TimeReportWhereRemark
Sep 24, 3:10 PM CDTFUNNEL CLOUD6 E Maxwell, NEPUBLIC REPORTED FUNNEL CLOUDS BETWEEN BRADY AND MAXWELL AND RELAYED THROUGH KNOP BY THOMAS KIPPEN.
Sep 24, 3:14 PM CDTFUNNEL CLOUD5 W Brady, NEFUNNEL CLOUDS CONTINUE TO DEVELOP AND DISSIPATE BETWEEN MAXWELL AND BRADY.
Sep 24, 3:17 PM CDTFUNNEL CLOUD1 S Maxwell, NEFUNNEL CLOUDS RAPIDLY DEVELOPING AND DISSIPATING.

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

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 7.7 hours before the alert went out and 20 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-pSkew-T log-p diagram, N. Platte/Lee Bi, NE at 12:00Z on 2009-09-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 73 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, N. Platte/Lee Bi, NE at 12:00Z on 2009-09-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 31 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
73 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
620 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
31 m²/s²
0-3 km storm-relative helicity
22 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 241944
TORLBF
NEC111-242015-
/O.NEW.KLBF.TO.W.0072.090924T1944Z-090924T2015Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
244 PM CDT THU SEP 24 2009

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* TORNADO WARNING FOR...
  EAST CENTRAL LINCOLN COUNTY IN SOUTHWEST NEBRASKA...

* UNTIL 315 PM CDT

* AT 243 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A FUNNEL CLOUD
  NEAR BRADY...OR 23 MILES EAST OF NORTH PLATTE...MOVING WEST AT 10
  MPH.

* THE TORNADO WILL BE NEAR...
  BRADY BY 250 PM CDT...
  JEFFREY CANYON STATE WILDLIFE MANAGEMENT AREA BY 255 PM CDT...
  COTTONWOOD CANYON STATE WILDLIFE MANAGEMENT AREA AND MAXWELL BY 315
  PM CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 4090 10060 4113 10060 4111 10023 4093 10023
TIME...MOT...LOC 1943Z 090DEG 9KT 4102 10035

$$

TAYLOR
2 follow-up statements
000 
WWUS53 KLBF 242000
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
300 PM CDT THU SEP 24 2009

NEC111-242015-
/O.CON.KLBF.TO.W.0072.000000T0000Z-090924T2015Z/
LINCOLN NE-
300 PM CDT THU SEP 24 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 315 PM CDT FOR EAST
CENTRAL LINCOLN COUNTY...

AT 257 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE ROTATION JUST 
NORTH OF BRADY. A FUNNEL CLOUD WAS REPORTED EARLIER.

THE POSSIBLE TORNADO WILL BE NEAR...
  6 MILES NORTH OF JEFFREY CANYON STATE WILDLIFE MANAGEMENT AREA BY
  305 PM CDT...
  COTTONWOOD CANYON STATE WILDLIFE MANAGEMENT AREA AND MAXWELL BY 315
  PM CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 4090 10060 4113 10060 4111 10023 4093 10023
TIME...MOT...LOC 1957Z 090DEG 9KT 4104 10038

$$

TAYLOR
000 
WWUS53 KLBF 242020
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
320 PM CDT THU SEP 24 2009

NEC111-242028-
/O.EXP.KLBF.TO.W.0072.000000T0000Z-090924T2015Z/
LINCOLN NE-
320 PM CDT THU SEP 24 2009

...THE TORNADO WARNING FOR EAST CENTRAL LINCOLN COUNTY HAS EXPIRED...

THE STORM WHICH PROMPTED THE WARNING IN THE BRADY AREA HAS WEAKEND. 
WEAK FUNNELS ARE STILL POSSIBLE...BUT THESE ARE NOT EXPECTED TO 
POSE A THREAT. 

LAT...LON 4090 10060 4113 10060 4111 10023 4093 10023
TIME...MOT...LOC 2000Z 090DEG 9KT 4104 10039

$$

TAYLOR

Nearby

Tornado Warnings in Nebraska, 2009Every tornado warning in 2009Tornadoes in 2009

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.