Alert archive / Nebraska / Tornado Warnings in 2014

Tornado Warning 28, NWS Sioux Falls, SD

June 17, 2014Dixon County, Nebraska

NWS Sioux Falls, SD issued this tornado warning at Jun 17, 2014, 10:09 PM CDT for Dixon County, Nebraska. It was in force for 36 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
Jun 17, 2014, 10:09 PM CDT (03:09 UTC)
Expired
Jun 17, 2014, 10:45 PM CDT
In force
36 min
Issued by
NWS Sioux Falls, SD
Area
Storm-based polygon
Tornado
Observed
Hail
1.5 in

County Dixon County, NE

The radar

The Sioux Falls radar (KFSD), 128 km from the middle of the area, began a volume at 03:09 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
Jun 17, 10:50 PM CDTTORNADO2 N Dixon, NETHREE RESIDENCES DAMAGED AND POWER LINES DOWN. ROADS FLOODED

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.

IssuedProductOfficeLasted
Jun 17, 6:48 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 3.2 hours before the alert went out and 134 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, Omaha, NE at 00:00Z on 2014-06-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4092 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, Omaha, NE at 00:00Z on 2014-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 98 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
4092 J/kg
Mixed-layer CIN
-70 J/kg
Mixed-layer LCL
1440 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
98 m²/s²
0-3 km storm-relative helicity
163 m²/s²
Significant tornado parameter
1.0
Supercell composite
14.4

Open this sounding in Storm Lab

The text

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

843 
WFUS53 KFSD 180309
TORFSD
NEC051-180345-
/O.NEW.KFSD.TO.W.0028.140618T0309Z-140618T0345Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1009 PM CDT TUE JUN 17 2014

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* TORNADO WARNING FOR...
  WEST CENTRAL DIXON COUNTY IN NORTHEAST NEBRASKA...

* UNTIL 1045 PM CDT

* AT 1007 PM CDT...A CONFIRMED TORNADO WAS LOCATED 3 MILES NORTHWEST 
  OF DIXON...AND MOVING EAST AT 5 MPH.

  HAZARD...DAMAGING TORNADO AND PING PONG BALL SIZE HAIL.

  SOURCE...WEATHER SPOTTERS CONFIRMED TORNADO.

  IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
           SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
           TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
           LIKELY.

* THE TORNADO WILL AFFECT MAINLY RURAL AREAS OF WEST CENTRAL DIXON
  COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A TORNADO IS ON THE GROUND. TAKE COVER NOW. MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID
WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE
CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4238 9702 4261 9702 4252 9685 4234 9690
TIME...MOT...LOC 0308Z 288DEG 5KT 4245 9697

TORNADO...OBSERVED
HAIL...1.50IN

$$

SCHUMACHER
2 follow-up statements
155 
WWUS53 KFSD 180322
SVSFSD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1022 PM CDT TUE JUN 17 2014

NEC051-180345-
/O.CON.KFSD.TO.W.0028.000000T0000Z-140618T0345Z/
DIXON NE-
1022 PM CDT TUE JUN 17 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR WEST CENTRAL DIXON COUNTY
UNTIL 1045 PM CDT...

AT 1019 PM CDT...A TORNADO WAS LOCATED 2 MILES NORTH OF LAURAL. A 
SECOND CIRCULATION CAPABLE OF PRODUCING A TORNADO WAS DEVELOPING 
NEAR DIXON...AND MOVING SOUTHEAST AT 5 MPH.

HAZARD...TORNADO AND PING PONG BALL SIZE HAIL.

SOURCE...RADAR INDICATED ROTATION.

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
         TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
         LIKELY.

LOCATIONS IMPACTED INCLUDE...
CONCORD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM HAS A HISTORY OF PRODUCING TORNADOES. TAKE COVER IN A
BASEMENT OR STORM SHELTER NOW!

TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW.

&&

LAT...LON 4238 9702 4261 9702 4252 9685 4234 9690
TIME...MOT...LOC 0321Z 293DEG 9KT 4241 9698

TORNADO...RADAR INDICATED
HAIL...1.50IN

$$

SCHUMACHER
258 
WWUS53 KFSD 180332
SVSFSD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1032 PM CDT TUE JUN 17 2014

NEC051-180345-
/O.CON.KFSD.TO.W.0028.000000T0000Z-140618T0345Z/
DIXON NE-
1032 PM CDT TUE JUN 17 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR WEST CENTRAL DIXON COUNTY
UNTIL 1045 PM CDT...

AT 1031 PM CDT...A CONFIRMED TORNADO WAS LOCATED NEAR DIXON...AND IS 
NOW MOVING SOUTHEAST AT 10 MPH.

HAZARD...DAMAGING TORNADO AND PING PONG BALL SIZE HAIL.

SOURCE...WEATHER SPOTTERS CONFIRMED TORNADO.

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
         TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
         LIKELY.

LOCATIONS IMPACTED INCLUDE...
DIXON AND CONCORD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM HAS A HISTORY OF PRODUCING TORNADOES. TAKE COVER IN A
BASEMENT OR STORM SHELTER NOW!

TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW.

&&

LAT...LON 4238 9702 4261 9702 4252 9685 4234 9690
TIME...MOT...LOC 0332Z 297DEG 9KT 4241 9701

TORNADO...OBSERVED
HAIL...1.50IN

$$

SCHUMACHER

The office that day

Everything else NWS Sioux Falls, SD issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 17, 8:38 PM CDTTornado WarningFSDDixon52 min
Jun 17, 9:24 PM CDTTornado Warning Tornado observedFSDDixon51 min
Jun 17, 10:47 PM CDTTornado WarningFSDDixon43 min
Jun 17, 11:24 PM CDTSevere Thunderstorm WarningFSDDakota, Dixon51 min
Jun 17, 11:29 PM CDTFlash Flood WarningFSDDakota, Dixon9 hr

Nearby

Tornado Warnings in Nebraska, 2014Every tornado warning in 2014Tornadoes in 2014

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.