Alert archive / Nebraska / Tornado Warnings in 2014

Tornado Warning 24, NWS Sioux Falls, SD

June 16, 2014Dakota County, Nebraska; Woodbury County, Iowa

NWS Sioux Falls, SD issued this tornado warning at Jun 16, 2014, 5:27 PM CDT for Dakota County, Nebraska; Woodbury County, Iowa. It was in force for 33 min. 2 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
Jun 16, 2014, 5:27 PM CDT (22:27 UTC)
Expired
Jun 16, 2014, 6:00 PM CDT
In force
33 min
Issued by
NWS Sioux Falls, SD
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.75 in

Counties Woodbury County, IA, Dakota County, NE

The radar

The Omaha radar (KOAX), 122 km from the middle of the area, began a volume at 22:26 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 16, 5:41 PM CDTTORNADO2 S Hubbard, NETORNADO ON THE GROUND
Jun 16, 5:52 PM CDTHAIL 13 N Hubbard, 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.

IssuedProductOfficeLasted
Jun 16, 3:07 PM CDTTornado Watch PDSSPC7 hr
Jun 16, 12:25 PM CDTTornado WatchSPC8 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 10.5 hours before the alert went out and 122 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 12:00Z on 2014-06-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 33 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Omaha, NE at 12:00Z on 2014-06-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 137 square meters per square second.19395878Sfc1 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
33 J/kg
Mixed-layer CIN
-485 J/kg
Mixed-layer LCL
1667 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
137 m²/s²
0-3 km storm-relative helicity
236 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.

915 
WFUS53 KFSD 162227
TORFSD
IAC193-NEC043-162300-
/O.NEW.KFSD.TO.W.0024.140616T2227Z-140616T2300Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
527 PM CDT MON JUN 16 2014

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* TORNADO WARNING FOR...
  WEST CENTRAL WOODBURY COUNTY IN WEST CENTRAL IOWA...
  DAKOTA COUNTY IN NORTHEAST NEBRASKA...

* UNTIL 600 PM CDT

* AT 525 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR EMERSON...AND MOVING NORTHEAST AT 30 MPH.

  HAZARD...TORNADO AND GOLF 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.

* THIS DANGEROUS STORM WILL BE NEAR...
  HUBBARD AND HOMER AROUND 540 PM CDT.
  JACKSON AROUND 550 PM CDT.
  DAKOTA CITY AROUND 555 PM CDT.

THIS EXTENDS THE PREVIOUS WARNING FOR DAKOTA AND WESTERN WOODBURY 
COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 4229 9673 4232 9673 4251 9662 4250 9659
      4252 9657 4250 9651 4248 9649 4248 9647
      4242 9629 4227 9650 4227 9672
TIME...MOT...LOC 2227Z 220DEG 26KT 4230 9665

TORNADO...RADAR INDICATED
HAIL...1.75IN

$$
3 follow-up statements
231 
WWUS53 KFSD 162242
SVSFSD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
542 PM CDT MON JUN 16 2014

IAC193-NEC043-162300-
/O.CON.KFSD.TO.W.0024.000000T0000Z-140616T2300Z/
WOODBURY IA-DAKOTA NE-
542 PM CDT MON JUN 16 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR DAKOTA AND WEST CENTRAL
WOODBURY COUNTIES UNTIL 600 PM CDT...

AT 542 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING
A CONFIRMED TORNADO.  THIS DANGEROUS STORM WAS LOCATED NEAR
HUBBARD...OR 11 MILES SOUTHWEST OF SIOUX CITY...MOVING NORTHEAST AT
30 MPH.

AT 541 PM CDT...A TORNADO WAS REPORTED BY A STORM CHASER NEAR 
HUBBARD. 

THIS DANGEROUS STORM WILL BE NEAR...
  JACKSON AROUND 545 PM CDT...
  DAKOTA CITY AROUND 550 PM CDT...
  SERGEANT BLUFF AROUND 555 PM CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 4229 9673 4232 9673 4251 9662 4250 9659
      4252 9657 4250 9651 4248 9649 4248 9647
      4242 9629 4227 9650 4227 9672
TIME...MOT...LOC 2242Z 217DEG 26KT 4241 9657

$$

CHAPMAN
894 
WWUS53 KFSD 162253
SVSFSD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
553 PM CDT MON JUN 16 2014

IAC193-NEC043-162300-
/O.CON.KFSD.TO.W.0024.000000T0000Z-140616T2300Z/
WOODBURY IA-DAKOTA NE-
553 PM CDT MON JUN 16 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHEASTERN DAKOTA AND
WEST CENTRAL WOODBURY COUNTIES UNTIL 600 PM CDT...

AT 552 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING
A SEVERE THUNDERSTORM WITH A HISTORY OF OF PRODUCING A TORNADO.  THIS
DANGEROUS STORM WAS LOCATED NEAR JACKSON...OR 7 MILES WEST OF SIOUX
CITY...MOVING NORTHEAST AT 30 MPH.

THIS TORNADO WILL AFFECT MAINLY RURAL AREAS OF NORTHEASTERN DAKOTA 
COUNTIES...WITH A HAIL AND WIND THREAT INTO WEST CENTRAL WOODBURY 
COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 4244 9657 4246 9664 4251 9662 4250 9659
      4252 9657 4250 9651 4248 9649 4248 9647
      4242 9630 4234 9641
TIME...MOT...LOC 2252Z 209DEG 27KT 4248 9653

$$

CHAPMAN
838 
WWUS53 KFSD 162301
SVSFSD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
601 PM CDT MON JUN 16 2014

IAC193-NEC043-162310-
/O.EXP.KFSD.TO.W.0024.000000T0000Z-140616T2300Z/
WOODBURY IA-DAKOTA NE-
601 PM CDT MON JUN 16 2014

...THE TORNADO WARNING FOR NORTHEASTERN DAKOTA AND WEST CENTRAL
WOODBURY COUNTIES HAS EXPIRED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.

ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A TORNADO 
WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT FOR WOODBURY COUNTY AND 
10 PM CDT FOR DAKOTA COUNTY.

LAT...LON 4244 9657 4246 9664 4251 9662 4250 9659
      4252 9657 4250 9651 4248 9649 4248 9647
      4242 9630 4234 9641
TIME...MOT...LOC 2253Z 211DEG 27KT 4249 9650

$$

CHAPMAN

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 16, 3:39 AM CDTFlash Flood WatchFSDDakota, Dixon20 hr
Jun 16, 10:07 AM CDTSevere Thunderstorm WarningFSDDakota, Dixon38 min
Jun 16, 4:58 PM CDTTornado Warning Tornado observedFSDDakota, Dixon32 min
Jun 16, 5:47 PM CDTTornado Warning Tornado observedFSDDakota43 min
Jun 16, 10:51 AM CDTSevere Thunderstorm WarningFSDLyon, Sioux39 min
Jun 16, 10:53 AM CDTFlash Flood WarningFSDLyon, Plymouth, Sioux3 hr
Jun 16, 11:07 AM CDTFlash Flood WarningFSDCherokee, Clay, Dickinson, Lyon, O'Brien, Osceola and 3 more9 hr
Jun 16, 12:02 PM CDTSevere Thunderstorm WarningFSDWoodbury43 min
Jun 16, 12:58 PM CDTFlash Flood WarningFSDBuena Vista, Cherokee, Ida, Woodbury3 hr
Jun 16, 1:06 PM CDTSevere Thunderstorm WarningFSDPlymouth, Sioux39 min
Jun 16, 1:34 PM CDTSevere Thunderstorm WarningFSDO'Brien, Sioux26 min
Jun 16, 1:45 PM CDTSevere Thunderstorm WarningFSDLyon, Sioux30 min
Jun 16, 1:50 PM CDTSevere Thunderstorm WarningFSDO'Brien25 min
Jun 16, 2:15 PM CDTSevere Thunderstorm WarningFSDLyon, Osceola30 min
Jun 16, 2:35 PM CDTTornado WarningFSDOsceola25 min
Jun 16, 2:54 PM CDTTornado WarningFSDDickinson, Osceola21 min
Jun 16, 3:15 PM CDTSevere Thunderstorm WarningFSDLyon45 min
Jun 16, 3:24 PM CDTFlash Flood WarningFSDLyon, Sioux4 hr
Jun 16, 3:41 PM CDTTornado WarningFSDLyon34 min
Jun 16, 3:54 PM CDTSevere Thunderstorm WarningFSDLyon51 min
Jun 16, 4:10 PM CDTSevere Thunderstorm WarningFSDClay, Dickinson35 min
Jun 16, 4:37 PM CDTSevere Thunderstorm WarningFSDLyon, O'Brien, Osceola, Sioux23 min
Jun 16, 4:39 PM CDTSevere Thunderstorm WarningFSDDickinson36 min
Jun 16, 4:40 PM CDTTornado WarningFSDBuena Vista, Cherokee, Clay, O'Brien50 min
Jun 16, 4:58 PM CDTSevere Thunderstorm WarningFSDDickinson, Lyon, Osceola47 min
Jun 16, 5:05 PM CDTTornado WarningFSDOsceola25 min
Jun 16, 5:11 PM CDTFlash Flood WarningFSDBuena Vista, Cherokee, Clay, Dickinson, O'Brien3 hr
Jun 16, 5:22 PM CDTSevere Thunderstorm WarningFSDBuena Vista, Cherokee, Clay68 min
Jun 16, 5:24 PM CDTRiver Flood WarningFSDLyon57 hr
Jun 16, 5:57 PM CDTSevere Thunderstorm WarningFSDClay, Dickinson, O'Brien48 min
Jun 16, 6:34 PM CDTSevere Thunderstorm WarningFSDBuena Vista, Clay26 min

Nearby

Tornado Warnings in Nebraska, 2014Tornado Warnings in Iowa, 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.