Alert archive / South Dakota / Blizzard Warnings in 2018

Blizzard Warning 2, NWS Aberdeen, SD

March 30, 2018Marshall County, Roberts County, South Dakota; Traverse County, Minnesota

NWS Aberdeen, SD issued this blizzard warning at Mar 30, 2018, 12:53 PM CDT for Marshall County, Roberts County, South Dakota; Traverse County, Minnesota. It took effect at Mar 31, 2018, 2:13 AM CDT. It was in force for 2 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
Mar 30, 2018, 12:53 PM CDT (17:53 UTC)
In effect from
Mar 31, 2018, 2:13 AM CDT
Expired
Mar 31, 2018, 4:25 AM CDT
In force
2 hr
Issued by
NWS Aberdeen, SD

Counties Traverse County, MN, Marshall County, SD, Roberts County, SD

The radar

The Aberdeen radar (KABR), 113 km from the middle of the area, began a volume at 17:57 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, 5.9 hours before the alert went out and 142 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 12:00Z on 2018-03-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2018-03-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 81 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
582 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
81 m²/s²
0-3 km storm-relative helicity
166 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

332 
WWUS43 KABR 301753
WSWABR

URGENT - WINTER WEATHER MESSAGE
National Weather Service Aberdeen SD
1253 PM CDT Fri Mar 30 2018

...Quick Burst Of Snow And Strong North Winds Tonight...

MNZ039-SDZ007-008-310200-
/O.NEW.KABR.BZ.W.0002.180331T0900Z-180331T1500Z/
Traverse-Marshall-Roberts-
Including the cities of Wheaton, Britton, and Sisseton
1253 PM CDT Fri Mar 30 2018

...BLIZZARD WARNING IN EFFECT FROM 4 AM TO 10 AM CDT SATURDAY...

* WHAT...Blizzard conditions expected. Winds gusting as high as 40
  mph will cause whiteout conditions in blowing snow. Significant
  drifting of the snow is likely. Total snow accumulations of 2 to
  5 inches are expected.

* WHERE...In South Dakota, Marshall and Roberts Counties. In 
  Minnesota, Traverse County.

* WHEN...From 4 AM to 10 AM CDT Saturday.

* ADDITIONAL DETAILS...Travel will be very dangerous to 
  impossible. Tree branches could fall.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Blizzard Warning means severe winter weather conditions are
expected or occurring. Falling and blowing snow with strong winds
and poor visibilities are likely. This will lead to whiteout
conditions, making travel extremely dangerous. Do not travel. If
you must travel, have a winter survival kit with you.  If you get
stranded, stay with your vehicle. In Minnesota, the latest road
conditions can be obtained at 511mn.org, or by calling 5 1 1. In
South Dakota, the latest road conditions can be obtained by
calling 5 1 1.

&&

$$

MNZ046-SDZ006-011-021-310200-
/O.NEW.KABR.WW.Y.0014.180331T0900Z-180331T1500Z/
Big Stone-Brown-Day-Grant-
Including the cities of Ortonville, Aberdeen, Webster, 
and Milbank
1253 PM CDT Fri Mar 30 2018

...WINTER WEATHER ADVISORY IN EFFECT FROM 4 AM TO 10 AM CDT
SATURDAY...

* WHAT...Mixed precipitation expected. Total snow accumulations of
  a trace to two inches and ice accumulations of a light glaze 
  are expected.

* WHERE...In South Dakota, Brown, Day and Grant Counties. In 
  Minnesota, Big Stone County.

* WHEN...From 4 AM to 10 AM CDT Saturday.

* ADDITIONAL DETAILS...Plan on slippery road conditions. Tree 
  branches could fall. Expect reduced visibilities at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory means that periods of snow, sleet or
freezing rain will cause travel difficulties. Expect slippery
roads and limited visibilities, and use caution while driving. In
Minnesota, the latest road conditions can be obtained at
511mn.org, or by calling 5 1 1. In South Dakota, the latest road
conditions can be obtained by calling 5 1 1.

&&

$$
4 follow-up statements
894 
WWUS43 KABR 302040
WSWABR

URGENT - WINTER WEATHER MESSAGE
National Weather Service Aberdeen SD
340 PM CDT Fri Mar 30 2018

...Quick Burst Of Snow And Strong North Winds Tonight...

MNZ039-SDZ007-008-310445-
/O.CON.KABR.BZ.W.0002.180331T0900Z-180331T1500Z/
Traverse-Marshall-Roberts-
Including the cities of Wheaton, Britton, and Sisseton
340 PM CDT Fri Mar 30 2018

...BLIZZARD WARNING REMAINS IN EFFECT FROM 4 AM TO 10 AM CDT
SATURDAY...

* WHAT...Blizzard conditions expected. Winds gusting as high as 50
  mph will cause whiteout conditions in blowing snow. Significant
  drifting of the snow is likely. Total snow accumulations of 2 to
  6 inches are expected.

* WHERE...In South Dakota, Marshall and Roberts Counties. In 
  Minnesota, Traverse County.

* WHEN...From 4 AM to 10 AM CDT Saturday.

* ADDITIONAL DETAILS...Travel will be very dangerous to 
  impossible. Tree branches could fall.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Blizzard Warning means severe winter weather conditions are
expected or occurring. Falling and blowing snow with strong winds
and poor visibilities are likely. This will lead to whiteout
conditions, making travel extremely dangerous. Do not travel. If
you must travel, have a winter survival kit with you.  If you get
stranded, stay with your vehicle. In Minnesota, the latest road
conditions can be obtained at 511mn.org, or by calling 5 1 1. In
South Dakota, the latest road conditions can be obtained by
calling 5 1 1.

&&

$$

MNZ046-SDZ006-011-021-310445-
/O.CON.KABR.WW.Y.0014.180331T0900Z-180331T1500Z/
Big Stone-Brown-Day-Grant-
Including the cities of Ortonville, Aberdeen, Webster, 
and Milbank
340 PM CDT Fri Mar 30 2018

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 4 AM TO 10 AM
CDT SATURDAY...

* WHAT...Mixed precipitation expected. Total snow accumulations of
  1 to 2 inches and ice accumulations of a light glaze are 
  expected.

* WHERE...In South Dakota, Brown, Day and Grant Counties. In 
  Minnesota, Big Stone County.

* WHEN...From 4 AM to 10 AM CDT Saturday.

* ADDITIONAL DETAILS...Plan on slippery road conditions. In 
  addition, some reductions to visibility are likely. Tree 
  branches could fall. Winds gusting as high as 50 mph will 
  cause patchy blowing and drifting snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory means that periods of snow, sleet or
freezing rain will cause travel difficulties. Expect slippery
roads and limited visibilities, and use caution while driving. In
Minnesota, the latest road conditions can be obtained at
511mn.org, or by calling 5 1 1. In South Dakota, the latest road
conditions can be obtained by calling 5 1 1.

&&

$$
134 
WWUS43 KABR 310333
WSWABR

URGENT - WINTER WEATHER MESSAGE
National Weather Service Aberdeen SD
1033 PM CDT Fri Mar 30 2018

...Quick Burst Of Snow And Strong North Winds Tonight...

MNZ039-SDZ007-008-311145-
/O.CON.KABR.BZ.W.0002.180331T0900Z-180331T1500Z/
Traverse-Marshall-Roberts-
Including the cities of Wheaton, Britton, and Sisseton
1033 PM CDT Fri Mar 30 2018

...BLIZZARD WARNING REMAINS IN EFFECT FROM 4 AM TO 10 AM CDT
SATURDAY...

* WHAT...Blizzard conditions expected. Winds gusting as high as 
  50 mph will cause whiteout conditions in blowing snow. 
  Significant drifting of the snow is likely. Total snow 
  accumulations of up to two inches are expected.

* WHERE...In South Dakota, Marshall and Roberts Counties. In 
  Minnesota, Traverse County.

* WHEN...From 4 AM to 10 AM CDT Saturday.

* ADDITIONAL DETAILS...Travel will be very dangerous to 
  impossible. Tree branches could fall.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Blizzard Warning means severe winter weather conditions are
expected or occurring. Falling and blowing snow with strong winds
and poor visibilities are likely. This will lead to whiteout
conditions, making travel extremely dangerous. Do not travel. If
you must travel, have a winter survival kit with you.  If you get
stranded, stay with your vehicle. In Minnesota, the latest road
conditions can be obtained at 511mn.org, or by calling 5 1 1. In
South Dakota, the latest road conditions can be obtained by
calling 5 1 1.

&&

$$

MNZ046-SDZ006-011-021-311145-
/O.CON.KABR.WW.Y.0014.180331T0900Z-180331T1500Z/
Big Stone-Brown-Day-Grant-
Including the cities of Ortonville, Aberdeen, Webster, 
and Milbank
1033 PM CDT Fri Mar 30 2018

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 4 AM TO 10 AM
CDT SATURDAY...

* WHAT...Mixed precipitation expected. Total snow accumulations 
  of up to one inch and ice accumulations of a light glaze are 
  expected.

* WHERE...In South Dakota, Brown, Day and Grant Counties. In 
  Minnesota, Big Stone County.

* WHEN...From 4 AM to 10 AM CDT Saturday.

* ADDITIONAL DETAILS...Plan on slippery road conditions. In 
  addition, some reductions to visibility are likely. Tree 
  branches could fall. Winds gusting as high as 50 mph will 
  cause patchy blowing and drifting snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory means that periods of snow, sleet or
freezing rain will cause travel difficulties. Expect slippery
roads and limited visibilities, and use caution while driving. In
Minnesota, the latest road conditions can be obtained at
511mn.org, or by calling 5 1 1. In South Dakota, the latest road
conditions can be obtained by calling 5 1 1.

&&

$$
929 
WWUS43 KABR 310713
WSWABR

URGENT - WINTER WEATHER MESSAGE
National Weather Service Aberdeen SD
213 AM CDT Sat Mar 31 2018

MNZ039-SDZ007-008-311500-
/O.EXT.KABR.BZ.W.0002.180331T0713Z-180331T1500Z/
Traverse-Marshall-Roberts-
Including the cities of Wheaton, Britton, and Sisseton
213 AM CDT Sat Mar 31 2018

...BLIZZARD WARNING NOW IN EFFECT UNTIL 10 AM CDT THIS MORNING...

* WHAT...Blizzard conditions. Winds gusting as high as 45 mph will
  cause near whiteout conditions in blowing snow. Significant 
  drifting of the snow is likely. Additional snow accumulations of
  up to two inches are expected.

* WHERE...In South Dakota, Marshall and Roberts Counties. In 
  Minnesota, Traverse County.

* WHEN...Until 10 AM CDT this morning.

* ADDITIONAL DETAILS...Travel will be very dangerous to 
  impossible. Tree branches could fall.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Blizzard Warning means severe winter weather conditions are
expected or occurring. Falling and blowing snow with strong winds
and poor visibilities are likely. This will lead to whiteout
conditions, making travel extremely dangerous. Do not travel. If
you must travel, have a winter survival kit with you.  If you get
stranded, stay with your vehicle. In Minnesota, the latest road
conditions can be obtained at 511mn.org, or by calling 5 1 1. In
South Dakota, the latest road conditions can be obtained by
calling 5 1 1.

&&

$$

MNZ046-SDZ006-011-021-311500-
/O.EXT.KABR.WW.Y.0014.180331T0713Z-180331T1500Z/
Big Stone-Brown-Day-Grant-
Including the cities of Ortonville, Aberdeen, Webster, 
and Milbank
213 AM CDT Sat Mar 31 2018

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 10 AM CDT THIS
MORNING...

* WHAT...Snow. Additional snow accumulations of up to one inch 
  are expected.

* WHERE...In South Dakota, Brown, Day and Grant Counties. In 
  Minnesota, Big Stone County.

* WHEN...Until 10 AM CDT this morning.

* ADDITIONAL DETAILS...Plan on slippery road conditions. In
  addition, some reductions to visibility are likely. Tree
  branches could fall. Winds gusting as high as 45 mph will cause
  areas of blowing and drifting snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for snow means periods of snow will
cause primarily travel difficulties. Expect snow covered roads
and limited visibilities, and use caution while driving. In
Minnesota, the latest road conditions can be obtained at
511mn.org, or by calling 5 1 1. In South Dakota, the latest road
conditions can be obtained by calling 5 1 1.

&&

$$
TMT
586 
WWUS43 KABR 310925
WSWABR

URGENT - WINTER WEATHER MESSAGE
National Weather Service Aberdeen SD
425 AM CDT Sat Mar 31 2018

MNZ039-SDZ007-008-311500-
/O.CAN.KABR.BZ.W.0002.000000T0000Z-180331T1500Z/
/O.EXA.KABR.WW.Y.0014.000000T0000Z-180331T1500Z/
Traverse-Marshall-Roberts-
Including the cities of Wheaton, Britton, and Sisseton
425 AM CDT Sat Mar 31 2018

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 10 AM CDT THIS
MORNING...
...BLIZZARD WARNING IS CANCELLED...

* WHAT...Snow and blowing snow. Additional snow accumulations of a
  half inch or less. Areas of blowing and drifting snow.

* WHERE...In South Dakota, Marshall and Roberts Counties. In 
  Minnesota, Traverse County.

* WHEN...Until 10 AM CDT this morning.

* ADDITIONAL DETAILS...Plan on slippery road conditions. In
  addition, reductions in visibility are likely. Winds gusting as
  high as 45 mph will cause blowing and drifting snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory means that periods of snow, sleet or
freezing rain will cause travel difficulties. Expect slippery
roads and limited visibility, and use caution while driving. In 
Minnesota, the latest road conditions can be obtained at 
511mn.org, or by calling 5 1 1. In South Dakota, the latest road 
conditions can be obtained by calling 5 1 1.

&&

$$

SDZ006-311030-
/O.CAN.KABR.WW.Y.0014.000000T0000Z-180331T1500Z/
Brown-
Including the city of Aberdeen
425 AM CDT Sat Mar 31 2018

...WINTER WEATHER ADVISORY IS CANCELLED...

$$

MNZ046-SDZ011-021-311500-
/O.CON.KABR.WW.Y.0014.000000T0000Z-180331T1500Z/
Big Stone-Day-Grant-
Including the cities of Ortonville, Webster, and Milbank
425 AM CDT Sat Mar 31 2018

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT THIS
MORNING...

* WHAT...Snow and blowing snow. Additional snow accumulations of a
  half inch or less. Areas of blowing and drifting snow.

* WHERE...In South Dakota, Day and Grant Counties. In Minnesota, 
  Big Stone County.

* WHEN...Until 10 AM CDT this morning.

* ADDITIONAL DETAILS...Plan on slippery road conditions. In
  addition, some reductions to visibility are likely. Winds
  gusting as high as 45 mph will cause blowing and drifting snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory means that periods of snow, sleet or
freezing rain will cause travel difficulties. Expect slippery
roads and limited visibility, and use caution while driving. In 
Minnesota, the latest road conditions can be obtained at 
511mn.org, or by calling 5 1 1. In South Dakota, the latest road 
conditions can be obtained by calling 5 1 1.

&&

$$
TMT

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 30, 12:53 PM CDTWinter Weather AdvisoryABRBrown, Day, Grant, Marshall, Roberts18 hr
Mar 30, 1:15 PM CDTWind AdvisoryABRBrown, Buffalo, Campbell, Clark, Codington, Corson and 16 more21 hr

Nearby

Blizzard Warnings in South Dakota, 2018Blizzard Warnings in Minnesota, 2018Every blizzard 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.