Alert archive / South Dakota / Tornado Warnings in 2019

Tornado Warning 4, NWS Sioux Falls, SD

June 15, 2019Moody County, South Dakota

NWS Sioux Falls, SD issued this tornado warning at Jun 15, 2019, 6:19 PM CDT for Moody County, South Dakota. It was in force for 26 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: Jun 15, 2019, 6:19 PM CDT (23:19 UTC)
Expired: Jun 15, 2019, 6:45 PM CDT
In force: 26 min
Issued by: NWS Sioux Falls, SD
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Moody County, SD

The radar

The Sioux Falls radar (KFSD), 60 km from the middle of the area, began a volume at 23:18 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 nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 11.3 hours before the alert went out and 165 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: 7 J/kg
Mixed-layer CIN: -271 J/kg
Mixed-layer LCL: 1198 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 87 m²/s²
0-3 km storm-relative helicity: 109 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

780 
WFUS53 KFSD 152319
TORFSD
SDC101-152345-
/O.NEW.KFSD.TO.W.0004.190615T2319Z-190615T2345Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Sioux Falls SD
619 PM CDT Sat Jun 15 2019

The National Weather Service in Sioux Falls has issued a

* Tornado Warning for...
  Northeastern Moody County in east central South Dakota...

* Until 645 PM CDT.
    
* At 618 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Aurora, or 7 miles south of Brookings, moving
  southeast at 30 mph.

  HAZARD...Tornado.

  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...
  Flandreau and Egan around 645 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4411 9649 4399 9667 4420 9683 4420 9663
TIME...MOT...LOC 2318Z 319DEG 26KT 4420 9675 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

Rogers

2 follow-up statements

555 
WWUS53 KFSD 152332
SVSFSD

Severe Weather Statement
National Weather Service Sioux Falls SD
632 PM CDT Sat Jun 15 2019

SDC101-152345-
/O.CON.KFSD.TO.W.0004.000000T0000Z-190615T2345Z/
Moody SD-
632 PM CDT Sat Jun 15 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM CDT FOR
NORTHEASTERN MOODY COUNTY...
    
At 631 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Flandreau, or 14 miles southeast of Brookings,
moving southeast at 30 mph.

HAZARD...Tornado.

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...
  Flandreau and Egan around 645 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4411 9649 4399 9667 4412 9677 4418 9660
TIME...MOT...LOC 2331Z 320DEG 25KT 4412 9666 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

Rogers

060 
WWUS53 KFSD 152343
SVSFSD

Severe Weather Statement
National Weather Service Sioux Falls SD
643 PM CDT Sat Jun 15 2019

SDC101-152352-
/O.EXP.KFSD.TO.W.0004.000000T0000Z-190615T2345Z/
Moody SD-
643 PM CDT Sat Jun 15 2019

...THE TORNADO WARNING FOR NORTHEASTERN MOODY COUNTY WILL EXPIRE AT
645 PM CDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning will be allowed to expire.  However small hail
and heavy rain are still possible with this thunderstorm.

LAT...LON 4411 9649 4399 9667 4412 9677 4418 9660
TIME...MOT...LOC 2342Z 323DEG 24KT 4407 9661 

$$

Rogers

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 15, 6:06 PM CDT	Tornado Warning	FSD	Brookings	24 min

Nearby

Tornado Warnings in South Dakota, 2019 Every tornado warning in 2019 Tornadoes in 2019

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.