Alert archive / South Dakota / High Wind Warnings in 2018

High Wind Warning 1, NWS Sioux Falls, SD

June 6, 20184 counties in South Dakota

NWS Sioux Falls, SD issued this high wind warning at Jun 6, 2018, 1:00 AM CDT for 4 counties in South Dakota. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 6, 2018, 1:00 AM CDT (06:00 UTC)
Expired
Jun 6, 2018, 4:00 AM CDT
In force
3 hr
Issued by
NWS Sioux Falls, SD

Counties Beadle County, SD, Brule County, SD, Jerauld County, SD, Kingsbury County, SD

The radar

The Sioux Falls radar (KFSD), 145 km from the middle of the area, began a volume at 06:03 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 00:00Z, 6.0 hours before the alert went out and 84 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, Aberdeen, SD at 00:00Z on 2018-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1161 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, Aberdeen, SD at 00:00Z on 2018-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 23 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
1161 J/kg
Mixed-layer CIN
-23 J/kg
Mixed-layer LCL
3172 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
23 m²/s²
0-3 km storm-relative helicity
123 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.5

Open this sounding in Storm Lab

The text

As transmitted.

060 
WWUS73 KFSD 060600
NPWFSD

URGENT - WEATHER MESSAGE
National Weather Service Sioux Falls SD
100 AM CDT Wed Jun 6 2018

SDZ038-052-057-060800-
/O.NEW.KFSD.HW.W.0001.180606T0600Z-180606T0800Z/
Beadle-Jerauld-Brule-
100 AM CDT Wed Jun 6 2018

...HIGH WIND WARNING IN EFFECT UNTIL 3 AM CDT EARLY THIS
MORNING...

The National Weather Service in Sioux Falls has issued a High
Wind Warning, which is in effect until 3 AM CDT early this
morning. These winds are the result of strong low pressure
developing behind an area of thunderstorms moving through
northeast South Dakota, called a wake low. 

* TIMING...Through 3 am CDT. 

* WINDS...Gusts of 45 to 60 mph.

* IMPACTS...Difficult driving conditions for high profile and
  light weight vehicles. Tree damage possible with limbs down and
  weaker power poles may blow down. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring. Sustained wind speeds of at least 40 mph or gusts
of 58 mph or more can lead to property damage.

&&

$$
3 follow-up statements
571 
WWUS73 KFSD 060726
NPWFSD

URGENT - WEATHER MESSAGE
National Weather Service Sioux Falls SD
226 AM CDT Wed Jun 6 2018


SDZ039-060900-
/O.EXB.KFSD.HW.W.0001.000000T0000Z-180606T0900Z/
Kingsbury-
226 AM CDT Wed Jun 6 2018

...HIGH WIND WARNING IN EFFECT UNTIL 4 AM CDT EARLY THIS
MORNING...

The National Weather Service in Sioux Falls has issued a High
Wind Warning, which is in effect until 4 AM CDT early this
morning. A line of thunderstorms has moved eastward to near
Interstate 29 at this time. Very strong winds have developed
behind this line associated with strong low pressure behind the
storms. This is called a wake low, and the Huron airport reported
a gust to 74 mph at 211 am.

* TIMING...Through 4 am CDT.

* WINDS...Gusts of 45 to 65 mph.

* IMPACTS...Difficult driving conditions for high profile and
  light weight vehicles. Tree damage possible and power poles may
  blow down. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring. Sustained wind speeds of at least 40 mph or gusts
of 58 mph or more can lead to property damage.

&&

$$

SDZ038-052-057-060830-
/O.CON.KFSD.HW.W.0001.000000T0000Z-180606T0800Z/
Beadle-Jerauld-Brule-
226 AM CDT Wed Jun 6 2018

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 3 AM CDT EARLY THIS
MORNING...

* TIMING...Through 3 am CDT.

* WINDS...Gusts of 45 to 65 mph. At 211 am, the Huron airport
  reported a gust to 74 mph. 

* IMPACTS...Difficult driving conditions for high profile and
  light weight vehicles. Tree damage possible and power poles may
  blow down. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring. Sustained wind speeds of at least 40 mph or gusts
of 58 mph or more can lead to property damage.

&&

$$
294 
WWUS73 KFSD 060801
NPWFSD

URGENT - WEATHER MESSAGE
National Weather Service Sioux Falls SD
301 AM CDT Wed Jun 6 2018

SDZ038-052-057-060915-
/O.EXP.KFSD.HW.W.0001.000000T0000Z-180606T0800Z/
Beadle-Jerauld-Brule-
301 AM CDT Wed Jun 6 2018

...HIGH WIND WARNING HAS EXPIRED...

Although gusty winds of 30 to 40 mph could continue over the next
hour or two, damaging winds are not expected anymore.

$$

SDZ039-060915-
/O.CON.KFSD.HW.W.0001.000000T0000Z-180606T0900Z/
Kingsbury-
301 AM CDT Wed Jun 6 2018

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 4 AM CDT EARLY THIS
MORNING...

* TIMING...Through 4 am CDT.

* WINDS...Gusts of 45 to 65 mph.

* IMPACTS...Difficult driving conditions for high profile and 
  light weight vehicles. Tree damage possible and power poles 
  may blow down. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring. Sustained wind speeds of at least 40 mph or gusts
of 58 mph or more can lead to property damage.

&&

$$
868 
WWUS73 KFSD 060902
NPWFSD

URGENT - WEATHER MESSAGE
National Weather Service Sioux Falls SD
402 AM CDT Wed Jun 6 2018

SDZ039-061015-
/O.EXP.KFSD.HW.W.0001.000000T0000Z-180606T0900Z/
Kingsbury-
402 AM CDT Wed Jun 6 2018

...HIGH WIND WARNING HAS EXPIRED...

The damaging wind threat has ended across east central South
Dakota. 

$$

Nearby

High Wind Warnings in South Dakota, 2018Every high wind warning in 2018

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.