Alert archive / South Dakota / Wind Advisories in 2020

Wind Advisory 4, NWS Sioux Falls, SD

February 14, 20204 states

NWS Sioux Falls, SD issued this wind advisory at Feb 14, 2020, 3:18 AM CST for 4 states. It took effect at Feb 14, 2020, 9:00 AM CST. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
Feb 14, 2020, 3:18 AM CST (09:18 UTC)
In effect from
Feb 14, 2020, 9:00 AM CST
Expired
Feb 14, 2020, 7:00 PM CST
In force
10 hr
Issued by
NWS Sioux Falls, SD
All 36 counties

Buena Vista County, IA, Cherokee County, IA, Clay County, IA, Dickinson County, IA, Ida County, IA, Lyon County, IA, O'Brien County, IA, Osceola County, IA, Plymouth County, IA, Sioux County, IA, Woodbury County, IA, Cottonwood County, MN, Jackson County, MN, Lincoln County, MN, Lyon County, MN, Murray County, MN, Nobles County, MN, Pipestone County, MN, Rock County, MN, Dakota County, NE, Dixon County, NE, Bon Homme County, SD, Brookings County, SD, Clay County, SD, Hanson County, SD, Hutchinson County, SD, Kingsbury County, SD, Lake County, SD, Lincoln County, SD, McCook County, SD, Miner County, SD, Minnehaha County, SD, Moody County, SD, Turner County, SD, Union County, SD, Yankton County, SD

The radar

The Sioux Falls radar (KFSD), 33 km from the middle of the area, began a volume at 09:20 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, 9.3 hours before the alert went out and 230 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 2020-02-14Temperature 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 00:00Z on 2020-02-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 109 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
1308 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
109 m²/s²
0-3 km storm-relative helicity
205 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

727 
WWUS73 KFSD 140918
NPWFSD

URGENT - WEATHER MESSAGE
National Weather Service Sioux Falls SD
318 AM CST Fri Feb 14 2020

IAZ001>003-012>014-020-MNZ071-072-080-081-089-090-097-098-NEZ013-
014-SDZ039-040-054>056-060>062-065>071-141730-
/O.NEW.KFSD.WI.Y.0004.200214T1500Z-200215T0100Z/
Lyon-Osceola-Dickinson-Sioux-O'Brien-Clay-Plymouth-Lincoln-Murray-
Cottonwood-Nobles-Jackson-Pipestone-Rock-Dixon-Dakota-Kingsbury-
Brookings-Miner-Lake-Moody-Hanson-McCook-Minnehaha-Hutchinson-
Turner-Bon Homme-Yankton-Union-
318 AM CST Fri Feb 14 2020

...WIND ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 7 PM CST
THIS EVENING...

* WHAT...South winds 25 to 30 mph with gusts up to 45 mph
  expected. Winds near the Buffalo Ridge could gust to 50 mph.

* WHERE...Portions of east central and southeast South Dakota, 
  northeast Nebraska, northwest Iowa and southwest Minnesota.

* WHEN...From 9 AM this morning to 7 PM CST this evening.

* IMPACTS...Gusty winds could blow around unsecured objects. Tree
  limbs could be blown down and a few power outages may result.
  While widespread blowing snow is not expected, a few locations
  could experience brief reduction in visibility. Snow drifting
  over roadways could melt and refreeze, creating slick spots.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/siouxfalls
3 follow-up statements
333 
WWUS73 KFSD 141627 AAA
NPWFSD

URGENT - WEATHER MESSAGE...UPDATED
National Weather Service Sioux Falls SD
1027 AM CST Fri Feb 14 2020

IAZ021-022-031-032-150030-
/O.EXA.KFSD.WI.Y.0004.000000T0000Z-200215T0100Z/
Cherokee-Buena Vista-Woodbury-Ida-
1027 AM CST Fri Feb 14 2020

...WIND ADVISORY IN EFFECT UNTIL 7 PM CST THIS EVENING...

* WHAT...South winds 20 to 30 mph with gusts up to 45 mph.

* WHERE...Cherokee, Buena Vista, Woodbury and Ida Counties.

* WHEN...Until 7 PM CST this evening.

* IMPACTS...Gusty winds could blow around unsecured objects. Tree
  limbs could be blown down and a few power outages may result. 
  While widespread blowing snow is not expected, a few locations
  could experience brief reduction in visibility. Snow drifting
  over roadways could melt and refreeze, creating slick spots.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

IAZ003-MNZ071-072-080-081-089-090-150030-
/O.EXT.KFSD.WI.Y.0004.000000T0000Z-200215T0300Z/
Dickinson-Lincoln-Lyon-Murray-Cottonwood-Nobles-Jackson-
1027 AM CST Fri Feb 14 2020

...WIND ADVISORY NOW IN EFFECT UNTIL 9 PM CST THIS EVENING...

* WHAT...South winds 25 to 35 mph with gusts up to 50 mph.

* WHERE...In Iowa, Dickinson County. In Minnesota, Cottonwood, 
  Nobles, Murray, Lincoln, Lyon and Jackson Counties.

* WHEN...Until 9 PM CST this evening.

* IMPACTS...Gusty winds could blow around unsecured objects. Tree
  limbs could be blown down and a few power outages may result. 
  While widespread blowing snow is not expected, a few locations
  could experience brief reduction in visibility. Snow drifting
  over roadways could melt and refreeze, creating slick spots.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

IAZ001-002-012>014-020-MNZ097-098-NEZ013-014-SDZ039-040-054>056-
060>062-065>071-150030-
/O.CON.KFSD.WI.Y.0004.000000T0000Z-200215T0100Z/
Lyon-Osceola-Sioux-O'Brien-Clay-Plymouth-Pipestone-Rock-Dixon-
Dakota-Kingsbury-Brookings-Miner-Lake-Moody-Hanson-McCook-
Minnehaha-Hutchinson-Turner-Lincoln-Bon Homme-Yankton-Union-
1027 AM CST Fri Feb 14 2020

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CST THIS EVENING...

* WHAT...South winds 20 to 30 mph with gusts up to 45 mph.

* WHERE...Portions of east central and southeast South Dakota, 
  northeast Nebraska, northwest Iowa and southwest Minnesota.

* WHEN...Until 7 PM CST this evening.

* IMPACTS...Gusty winds could blow around unsecured objects. Tree
  limbs could be blown down and a few power outages may result. 
  While widespread blowing snow is not expected, a few locations
  could experience brief reduction in visibility. Snow drifting
  over roadways could melt and refreeze, creating slick spots.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/siouxfalls
631 
WWUS73 KFSD 142039
NPWFSD

URGENT - WEATHER MESSAGE
National Weather Service Sioux Falls SD
239 PM CST Fri Feb 14 2020

MNZ097-SDZ040-142145-
/O.CAN.KFSD.WI.Y.0004.000000T0000Z-200215T0100Z/
Pipestone-Brookings-
239 PM CST Fri Feb 14 2020

...WIND ADVISORY IS CANCELLED...

Southerly wind gusts to 50 mph are still expected. However, areas
of blowing snow have increased, reducing visibility to a mile or 
less at times in open country. In addition, drifting snow may 
refreeze on road surfaces, leading to icy conditions.

Therefore, the wind advisory has been replaced with a Winter 
Weather Advisory which is in effect until midnight.

$$

IAZ003-MNZ071-072-080-081-089-090-142145-
/O.CAN.KFSD.WI.Y.0004.000000T0000Z-200215T0300Z/
Dickinson-Lincoln-Lyon-Murray-Cottonwood-Nobles-Jackson-
239 PM CST Fri Feb 14 2020

...WIND ADVISORY IS CANCELLED...

Southerly wind gusts to 50 mph are still expected. However, areas
of blowing snow have increased, reducing visibility to a mile or 
less at times in open country. In addition, drifting snow may 
refreeze on road surfaces, leading to icy conditions.

Therefore, the wind advisory has been replaced with a Winter 
Weather Advisory which is in effect until midnight.

$$

IAZ001-002-012>014-020>022-031-032-MNZ098-NEZ013-014-SDZ039-
054>056-060>062-065>071-150100-
/O.CON.KFSD.WI.Y.0004.000000T0000Z-200215T0100Z/
Lyon-Osceola-Sioux-O'Brien-Clay-Plymouth-Cherokee-Buena Vista-
Woodbury-Ida-Rock-Dixon-Dakota-Kingsbury-Miner-Lake-Moody-Hanson-
McCook-Minnehaha-Hutchinson-Turner-Lincoln-Bon Homme-Yankton-
Union-
239 PM CST Fri Feb 14 2020

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CST THIS EVENING...

* WHAT...South winds 20 to 35 mph with gusts up to 50 mph.

* WHERE...Portions of east central and southeast South Dakota, 
  northeast Nebraska, northwest and west central Iowa and 
  southwest Minnesota.

* WHEN...Until 7 PM CST this evening.

* IMPACTS...Gusty winds could blow around unsecured objects. Tree
  limbs could be blown down and a few power outages may result.
  While widespread blowing snow is not expected, a few locations
  could experience brief reductions in visibility. Snow drifting
  over roadways could melt and refreeze, creating slick spots.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/siouxfalls
549 
WWUS73 KFSD 150054
NPWFSD

URGENT - WEATHER MESSAGE
National Weather Service Sioux Falls SD
654 PM CST Fri Feb 14 2020

IAZ001-002-012>014-020>022-031-032-MNZ098-NEZ013-014-SDZ039-
054>056-060>062-065>071-150200-
/O.EXP.KFSD.WI.Y.0004.000000T0000Z-200215T0100Z/
Lyon-Osceola-Sioux-O'Brien-Clay-Plymouth-Cherokee-Buena Vista-
Woodbury-Ida-Rock-Dixon-Dakota-Kingsbury-Miner-Lake-Moody-Hanson-
McCook-Minnehaha-Hutchinson-Turner-Lincoln-Bon Homme-Yankton-
Union-
654 PM CST Fri Feb 14 2020

...WIND ADVISORY WILL EXPIRE AT 7 PM CST THIS EVENING...

Winds will remain gusty through the evening hours, but will also
continue to weaken. 

Motorists should be aware that blowing snow may continue over 
roadways through the evening. In addition to reduced visibility, 
slippery road conditions may be possible. 

$$

For more information from the National Weather Service visit
http://weather.gov/siouxfalls

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 14, 2:35 PM CSTWinter Weather AdvisoryFSDBrookings9 hr

Nearby

Wind Advisories in South Dakota, 2020Wind Advisories in Iowa, 2020Wind Advisories in Minnesota, 2020Every wind advisory in 2020

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.