Alert archive / Nebraska / Tornado Warnings in 2014

Tornado Warning 22, NWS Sioux Falls, SD

June 16, 2014Union County, South Dakota; Dakota County, Dixon County, Nebraska; Woodbury County, Iowa

NWS Sioux Falls, SD issued this tornado warning at Jun 16, 2014, 4:58 PM CDT for Union County, South Dakota; Dakota County, Dixon County, Nebraska; Woodbury County, Iowa. It was in force for 32 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 16, 2014, 4:58 PM CDT (21:58 UTC)
Expired: Jun 16, 2014, 5:30 PM CDT
In force: 32 min
Issued by: NWS Sioux Falls, SD
Area: Storm-based polygon
Tornado: Observed
Hail: 1.75 in

Counties Woodbury County, IA, Dakota County, NE, Dixon County, NE, Union County, SD

The radar

The Omaha radar (KOAX), 115 km from the middle of the area, began a volume at 21:59 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
Jun 16, 4:58 PM CDT	TORNADO	2 E Wakefield, 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
Jun 16, 3:07 PM CDT	Tornado Watch PDS	SPC	7 hr
Jun 16, 12:25 PM CDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 10.0 hours before the alert went out and 115 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: 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.

944 
WFUS53 KFSD 162158
TORFSD
IAC193-NEC043-051-SDC127-162230-
/O.NEW.KFSD.TO.W.0022.140616T2158Z-140616T2230Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
458 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...
  SOUTHEASTERN DIXON COUNTY IN NORTHEAST NEBRASKA...
  SOUTHEASTERN UNION COUNTY IN SOUTHEAST SOUTH DAKOTA...

* UNTIL 530 PM CDT

* AT 455 PM CDT...A CONFIRMED TORNADO WAS SOUTH OF WAKEFIELD...
  AND MOVING NORTHEAST AT 35 MPH.

  HAZARD...DAMAGING TORNADO AND GOLF 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 BE NEAR...
  EMERSON AROUND 505 PM CDT.
  HUBBARD AROUND 520 PM CDT.
  JACKSON AROUND 525 PM CDT.

OTHER LOCATIONS IN THE WARNING INCLUDE WATERBURY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4227 9693 4260 9663 4241 9616 4227 9649
      4227 9672 4226 9673 4226 9693
TIME...MOT...LOC 2158Z 206DEG 32KT 4225 9680

TORNADO...OBSERVED
HAIL...1.75IN

$$

CHAPMAN

1 follow-up statement

157 
WWUS53 KFSD 162216
SVSFSD

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

SDC127-162225-
/O.CAN.KFSD.TO.W.0022.000000T0000Z-140616T2230Z/
UNION SD-
516 PM CDT MON JUN 16 2014

...THE TORNADO WARNING FOR SOUTHEASTERN UNION COUNTY IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS SLOWED AND REDEVELOPED 
FURTHER SOUTHEAST. IT WILL LIKELY ARRIVE AT A LATER TIME...AND
MAY AGAIN BE SEVERE.

LAT...LON 4226 9682 4231 9683 4252 9667 4250 9661
      4250 9651 4248 9649 4249 9647 4248 9646
      4247 9631 4228 9653 4227 9672 4226 9673
TIME...MOT...LOC 2215Z 209DEG 22KT 4230 9672

$$

IAC193-NEC043-051-162230-
/O.CON.KFSD.TO.W.0022.000000T0000Z-140616T2230Z/
WOODBURY IA-DAKOTA NE-DIXON NE-
516 PM CDT MON JUN 16 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN DIXON...
DAKOTA AND WEST CENTRAL WOODBURY COUNTIES UNTIL 530 PM CDT...

AT 515 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING
A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR EMERSON...OR 19 MILES SOUTH OF PONCA...MOVING
NORTHEAST AT 25 MPH.

THIS DANGEROUS STORM WILL BE NEAR...
  HUBBARD AND JACKSON AROUND 530 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 4226 9682 4231 9683 4252 9667 4250 9661
      4250 9651 4248 9649 4249 9647 4248 9646
      4247 9631 4228 9653 4227 9672 4226 9673
TIME...MOT...LOC 2215Z 209DEG 22KT 4230 9672

$$

CHAPMAN

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 16, 3:39 AM CDT	Flash Flood Watch	FSD	Clay, Lincoln, Union	20 hr
Jun 16, 10:07 AM CDT	Severe Thunderstorm Warning	FSD	Union	38 min
Jun 16, 10:21 AM CDT	Severe Thunderstorm Warning	FSD	Brule, Jerauld	54 min
Jun 16, 10:51 AM CDT	Severe Thunderstorm Warning	FSD	Lincoln, Union	39 min
Jun 16, 10:53 AM CDT	Flash Flood Warning	FSD	Lincoln, Union	3 hr
Jun 16, 11:08 AM CDT	Severe Thunderstorm Warning	FSD	Aurora, Jerauld, Sanborn	52 min
Jun 16, 11:52 AM CDT	Severe Thunderstorm Warning	FSD	Davison, Hanson, Miner, Sanborn	38 min
Jun 16, 12:17 PM CDT	Severe Thunderstorm Warning	FSD	McCook, Minnehaha	43 min
Jun 16, 12:31 PM CDT	Flash Flood Warning	FSD	Brookings, Minnehaha, Moody	6 hr
Jun 16, 12:33 PM CDT	Severe Thunderstorm Warning	FSD	Lake, Miner	42 min
Jun 16, 12:59 PM CDT	Severe Thunderstorm Warning	FSD	Minnehaha	46 min
Jun 16, 1:11 PM CDT	Severe Thunderstorm Warning	FSD	Minnehaha	49 min
Jun 16, 1:34 PM CDT	Severe Thunderstorm Warning	FSD	Moody	41 min
Jun 16, 1:39 PM CDT	Flash Flood Warning	FSD	Brookings, Lake, Lincoln, McCook, Miner, Minnehaha and 2 more	3 hr
Jun 16, 1:52 PM CDT	Severe Thunderstorm Warning	FSD	Minnehaha, Moody	38 min
Jun 16, 2:00 PM CDT	Severe Thunderstorm Warning	FSD	Hutchinson, McCook, Minnehaha, Turner	45 min
Jun 16, 2:17 PM CDT	Severe Thunderstorm Warning	FSD	Minnehaha	43 min
Jun 16, 2:41 PM CDT	Severe Thunderstorm Warning	FSD	Lincoln, Minnehaha, Turner	34 min
Jun 16, 3:15 PM CDT	Severe Thunderstorm Warning	FSD	Lincoln, Minnehaha	45 min
Jun 16, 3:24 PM CDT	Flash Flood Warning	FSD	Hutchinson, Lincoln, Turner	4 hr
Jun 16, 4:26 PM CDT	Flash Flood Warning	FSD	Lincoln, McCook, Minnehaha, Turner	2 hr
Jun 16, 4:37 PM CDT	Severe Thunderstorm Warning	FSD	Lincoln	23 min
Jun 16, 5:24 PM CDT	River Flood Warning	FSD	Minnehaha, Moody	38 hr
Jun 16, 5:24 PM CDT	River Flood Warning	FSD	Minnehaha	44 hr
Jun 16, 5:24 PM CDT	River Flood Warning	FSD	Lincoln, Minnehaha	57 hr
Jun 16, 5:45 PM CDT	Severe Thunderstorm Warning	FSD	Lincoln, Turner	45 min
Jun 16, 5:47 PM CDT	Tornado Warning Tornado observed	FSD	Union	43 min
Jun 16, 6:12 PM CDT	Flash Flood Warning	FSD	Clay, Turner, Yankton	3 hr
Jun 16, 6:23 PM CDT	Flash Flood Warning	FSD	Minnehaha, Moody	3 hr
Jun 16, 6:27 PM CDT	Severe Thunderstorm Warning	FSD	Clay, Lincoln, Turner	48 min
Jun 16, 6:35 PM CDT	River Flood Warning	FSD	Minnehaha	3 days
Jun 16, 6:51 PM CDT	Severe Thunderstorm Warning	FSD	Clay	24 min
Jun 16, 5:27 PM CDT	Tornado Warning	FSD	Dakota	33 min
Jun 16, 11:07 AM CDT	Flash Flood Warning	FSD	Cherokee, Clay, Dickinson, Lyon, O'Brien, Osceola and 3 more	9 hr
Jun 16, 12:02 PM CDT	Severe Thunderstorm Warning	FSD	Woodbury	43 min
Jun 16, 12:58 PM CDT	Flash Flood Warning	FSD	Buena Vista, Cherokee, Ida, Woodbury	3 hr
Jun 16, 1:06 PM CDT	Severe Thunderstorm Warning	FSD	Plymouth, Sioux	39 min
Jun 16, 1:34 PM CDT	Severe Thunderstorm Warning	FSD	O'Brien, Sioux	26 min
Jun 16, 1:45 PM CDT	Severe Thunderstorm Warning	FSD	Lyon, Sioux	30 min
Jun 16, 1:50 PM CDT	Severe Thunderstorm Warning	FSD	O'Brien	25 min
Jun 16, 2:15 PM CDT	Severe Thunderstorm Warning	FSD	Lyon, Osceola	30 min
Jun 16, 2:35 PM CDT	Tornado Warning	FSD	Osceola	25 min
Jun 16, 2:54 PM CDT	Tornado Warning	FSD	Dickinson, Osceola	21 min
Jun 16, 3:41 PM CDT	Tornado Warning	FSD	Lyon	34 min
Jun 16, 3:54 PM CDT	Severe Thunderstorm Warning	FSD	Lyon	51 min
Jun 16, 4:10 PM CDT	Severe Thunderstorm Warning	FSD	Clay, Dickinson	35 min
Jun 16, 4:39 PM CDT	Severe Thunderstorm Warning	FSD	Dickinson	36 min
Jun 16, 4:40 PM CDT	Tornado Warning	FSD	Buena Vista, Cherokee, Clay, O'Brien	50 min
Jun 16, 4:58 PM CDT	Severe Thunderstorm Warning	FSD	Dickinson, Lyon, Osceola	47 min
Jun 16, 5:05 PM CDT	Tornado Warning	FSD	Osceola	25 min
Jun 16, 5:11 PM CDT	Flash Flood Warning	FSD	Buena Vista, Cherokee, Clay, Dickinson, O'Brien	3 hr
Jun 16, 5:22 PM CDT	Severe Thunderstorm Warning	FSD	Buena Vista, Cherokee, Clay	68 min
Jun 16, 5:57 PM CDT	Severe Thunderstorm Warning	FSD	Clay, Dickinson, O'Brien	48 min
Jun 16, 6:34 PM CDT	Severe Thunderstorm Warning	FSD	Buena Vista, Clay	26 min

Nearby

Tornado Warnings in Nebraska, 2014 Tornado Warnings in South Dakota, 2014 Tornado Warnings in Iowa, 2014 Every tornado warning in 2014 Tornadoes 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.