Alert archive / Nebraska / Tornado Warnings in 2005

Tornado Warning 2, NWS Omaha, NE

April 11, 2005Saline County, Seward County, Nebraska

NWS Omaha, NE issued this tornado warning at Apr 11, 2005, 2:39 PM CDT for Saline County, Seward County, Nebraska. It was in force for 36 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: Apr 11, 2005, 2:39 PM CDT (19:39 UTC)
Expired: Apr 11, 2005, 3:15 PM CDT
In force: 36 min
Issued by: NWS Omaha, NE
Area: Counties, with a storm outline in the text

Counties Saline County, NE, Seward County, NE

The radar

The Omaha radar (KOAX), 87 km from the middle of the area, began a volume at 19:42 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
Apr 11, 11:55 AM CDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 7.7 hours before the alert went out and 87 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1557 m above ground
0-6 km bulk shear: 82 kt
0-1 km storm-relative helicity: 64 m²/s²
0-3 km storm-relative helicity: 51 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 KOAX 111939
TOROAX
NEC151-159-112015-
/O.NEW.KOAX.TO.W.0002.050411T1939Z-050411T2015Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
239 PM CDT MON APR 11 2005

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEAST SEWARD COUNTY IN SOUTHEAST NEBRASKA
  NORTHEAST SALINE COUNTY IN SOUTHEAST NEBRASKA

* UNTIL 315 PM CDT

* AT 237 PM CDT...RADAR INDICATED A SEVERE STORM CAPABLE OF PRODUCING
  A TORNADO. THE MOST DANGEROUS PART OF THE STORM WAS LOCATED NEAR
  CRETE...OR ABOUT 16 MILES SOUTHWEST OF LINCOLN...MOVING NORTH AT 15
  MPH.

* THE TORNADO WILL BE NEAR...
  PLEASANT DALE AND MILFORD AROUND 305 PM CDT

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR A PIECE OF STURDY FURNITURE. IF A BASEMENT IS NOT
AVAILABLE...SEEK SHELTER ON THE LOWEST LEVEL OF THE BUILDING. GO TO
AN INTERIOR ROOM OR HALLWAY. USE BLANKETS OR PILLOWS TO COVER YOUR
BODY AND ALWAYS STAY AWAY FROM WINDOWS.

LAT...LON 4060 9708 4062 9692 4086 9692 4088 9707

$$

BOUSTEAD

1 follow-up statement

000 
WWUS53 KOAX 112008
SVSOAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
308 PM CDT MON APR 11 2005

NEC151-112011-
/O.CAN.KOAX.TO.W.0002.000000T0000Z-050411T2015Z/
SALINE NE-
308 PM CDT MON APR 11 2005

...THE TORNADO WARNING FOR NORTHEAST SALINE COUNTY IS CANCELLED...

THE THUNDERSTORM THAT PROMPTED THE TORNADO WARNING FOR NORTHEAST 
SALINE COUNTY HAS MOVED OUT OF THE COUNTY.  THEREFORE THE WARNING 
FOR NORTHEAST SALINE COUNTY HAS BEEN CANCELLED.  

LAT...LON 4071 9705 4071 9691 4086 9690 4091 9703

$$

NEC159-112015-
/O.CON.KOAX.TO.W.0002.000000T0000Z-050411T2015Z/
SEWARD NE-
308 PM CDT MON APR 11 2005

...A TORNADO WARNING CONTINUES UNTIL 315 PM CDT FOR SOUTHEAST 
SEWARD COUNTY...

AT 305 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A SEVERE STORM CAPABLE OF PRODUCING A TORNADO.  THE MOST 
DANGEROUS PART OF THE STORM WAS LOCATED 6 MILES SOUTH OF 
PLEASANT DALE...OR ABOUT 16 MILES SOUTHWEST OF LINCOLN...MOVING 
NORTH AT 10 MPH.

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING LARGE
HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS. GO TO THE LOWEST LEVEL OF
THE BUILDING. STAY AWAY FROM WINDOWS AND GLASS DOORS.

LAT...LON 4071 9705 4071 9691 4086 9690 4091 9703

$$

DN

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 11, 1:47 PM CDT	Severe Thunderstorm Warning	OAX	Lancaster	28 min
Apr 11, 1:59 PM CDT	Severe Thunderstorm Warning	OAX	Jefferson, Saline	46 min
Apr 11, 2:14 PM CDT	Severe Thunderstorm Warning	OAX	Lancaster	46 min
Apr 11, 2:46 PM CDT	Tornado Warning	OAX	Lancaster	44 min
Apr 11, 3:12 PM CDT	Severe Thunderstorm Warning	OAX	Saunders	48 min
Apr 11, 3:15 PM CDT	Severe Thunderstorm Warning	OAX	Lancaster, Seward	45 min
Apr 11, 3:56 PM CDT	Severe Thunderstorm Warning	OAX	Douglas	49 min
Apr 11, 4:09 PM CDT	Severe Thunderstorm Warning	OAX	Sarpy	37 min
Apr 11, 4:11 PM CDT	Severe Thunderstorm Warning	OAX	Gage, Jefferson	49 min
Apr 11, 4:18 PM CDT	Severe Thunderstorm Warning	OAX	Gage	42 min
Apr 11, 4:41 PM CDT	Severe Thunderstorm Warning	OAX	Cass	34 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.