Alert archive / Iowa / Wind Advisories in 2020

Wind Advisory 10, NWS Sioux Falls, SD

April 8, 202011 counties in Iowa; 10 counties in South Dakota; Dakota County, Dixon County, Nebraska

NWS Sioux Falls, SD issued this wind advisory at Apr 8, 2020, 3:29 PM CDT for 11 counties in Iowa; 10 counties in South Dakota; Dakota County, Dixon County, Nebraska. It took effect at Apr 9, 2020, 8:00 AM CDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Apr 8, 2020, 3:29 PM CDT (20:29 UTC)
In effect from
Apr 9, 2020, 8:00 AM CDT
Expired
Apr 9, 2020, 5:00 PM CDT
In force
9 hr
Issued by
NWS Sioux Falls, SD
All 23 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, Dakota County, NE, Dixon County, NE, Bon Homme County, SD, Charles Mix County, SD, Clay County, SD, Douglas County, SD, Gregory County, SD, Hutchinson County, SD, Lincoln County, SD, Turner County, SD, Union County, SD, Yankton County, SD

The radar

The Sioux Falls radar (KFSD), 67 km from the middle of the area, began a volume at 20:33 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

Omaha, NE (KOAX), launched 12:00Z, 8.5 hours before the alert went out and 187 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, Omaha, NE at 12:00Z on 2020-04-08Temperature 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, Omaha, NE at 12:00Z on 2020-04-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 297 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
2913 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
297 m²/s²
0-3 km storm-relative helicity
331 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

575 
WWUS73 KFSD 082029
NPWFSD

URGENT - WEATHER MESSAGE
National Weather Service Sioux Falls SD
329 PM CDT Wed Apr 8 2020

IAZ001>003-012>014-020>022-031-032-NEZ013-014-SDZ050-063>071-
090600-
/O.NEW.KFSD.WI.Y.0010.200409T1300Z-200409T2200Z/
Lyon-Osceola-Dickinson-Sioux-O'Brien-Clay-Plymouth-Cherokee-
Buena Vista-Woodbury-Ida-Dixon-Dakota-Gregory-Charles Mix-Douglas-
Hutchinson-Turner-Lincoln-Bon Homme-Yankton-Union-
329 PM CDT Wed Apr 8 2020

...WIND ADVISORY IN EFFECT FROM 8 AM TO 5 PM CDT THURSDAY...

* WHAT...Northwest winds 15 to 25 mph with gusts up to 45 mph 
  expected.

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

* WHEN...From 8 AM to 5 PM CDT Thursday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MNZ071-072-080-081-089-090-097-098-SDZ038>040-052>062-090000-
/O.CON.KFSD.WI.Y.0009.000000T0000Z-200409T0000Z/
Lincoln-Lyon-Murray-Cottonwood-Nobles-Jackson-Pipestone-Rock-
Beadle-Kingsbury-Brookings-Jerauld-Sanborn-Miner-Lake-Moody-Brule-
Aurora-Davison-Hanson-McCook-Minnehaha-
329 PM CDT Wed Apr 8 2020

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

* WHAT...Northwest winds 20 to 25 mph with gusts up to 45 mph.

* WHERE...Portions of central, east central, south central and 
  southeast South Dakota and southwest Minnesota.

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

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

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
4 follow-up statements
661 
WWUS73 KFSD 082348
NPWFSD

URGENT - WEATHER MESSAGE
National Weather Service Sioux Falls SD
648 PM CDT Wed Apr 8 2020

MNZ071-072-080-081-089-090-097-098-SDZ038>040-052>062-090100-
/O.EXP.KFSD.WI.Y.0009.000000T0000Z-200409T0000Z/
Lincoln-Lyon-Murray-Cottonwood-Nobles-Jackson-Pipestone-Rock-
Beadle-Kingsbury-Brookings-Jerauld-Sanborn-Miner-Lake-Moody-Brule-
Aurora-Davison-Hanson-McCook-Minnehaha-
648 PM CDT Wed Apr 8 2020

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

Gusty northwest winds will continue to gradually decrease this 
evening.

$$

IAZ001>003-012>014-020>022-031-032-NEZ013-014-SDZ050-063>071-
090800-
/O.CON.KFSD.WI.Y.0010.200409T1300Z-200409T2200Z/
Lyon-Osceola-Dickinson-Sioux-O'Brien-Clay-Plymouth-Cherokee-
Buena Vista-Woodbury-Ida-Dixon-Dakota-Gregory-Charles Mix-Douglas-
Hutchinson-Turner-Lincoln-Bon Homme-Yankton-Union-
648 PM CDT Wed Apr 8 2020

...WIND ADVISORY REMAINS IN EFFECT FROM 8 AM TO 5 PM CDT
THURSDAY...

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

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

* WHEN...From 8 AM to 5 PM CDT Thursday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

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
099 
WWUS73 KFSD 090752
NPWFSD

URGENT - WEATHER MESSAGE
National Weather Service Sioux Falls SD
252 AM CDT Thu Apr 9 2020

IAZ001>003-012>014-020>022-031-032-NEZ013-014-SDZ050-063>071-
091600-
/O.CON.KFSD.WI.Y.0010.200409T1300Z-200409T2200Z/
Lyon-Osceola-Dickinson-Sioux-O'Brien-Clay-Plymouth-Cherokee-
Buena Vista-Woodbury-Ida-Dixon-Dakota-Gregory-Charles Mix-Douglas-
Hutchinson-Turner-Lincoln-Bon Homme-Yankton-Union-
252 AM CDT Thu Apr 9 2020

...WIND ADVISORY REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 5 PM
CDT THIS AFTERNOON...

* WHAT...Northwest winds will increase this morning and average 25
  to 35 mph with gusts around 45 mph into the afternoon.

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

* WHEN...From 8 AM this morning to 5 PM CDT this afternoon.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

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
486 
WWUS73 KFSD 091842
NPWFSD

URGENT - WEATHER MESSAGE
National Weather Service Sioux Falls SD
142 PM CDT Thu Apr 9 2020

IAZ001>003-012>014-020>022-031-032-NEZ013-014-SDZ050-063>071-
092200-
/O.CON.KFSD.WI.Y.0010.000000T0000Z-200409T2200Z/
Lyon-Osceola-Dickinson-Sioux-O'Brien-Clay-Plymouth-Cherokee-
Buena Vista-Woodbury-Ida-Dixon-Dakota-Gregory-Charles Mix-Douglas-
Hutchinson-Turner-Lincoln-Bon Homme-Yankton-Union-
142 PM CDT Thu Apr 9 2020

...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 PM CDT THIS
AFTERNOON...

* WHAT...Northwest winds will increase this morning and average 
  25 to 35 mph with gusts around 45 mph into the afternoon.

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

* WHEN...From 8 AM this morning to 5 PM CDT this afternoon.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

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
531 
WWUS73 KFSD 092156
NPWFSD

URGENT - WEATHER MESSAGE
National Weather Service Sioux Falls SD
456 PM CDT Thu Apr 9 2020

IAZ001>003-012>014-020>022-031-032-NEZ013-014-SDZ050-063>071-
092300-
/O.EXP.KFSD.WI.Y.0010.000000T0000Z-200409T2200Z/
Lyon-Osceola-Dickinson-Sioux-O'Brien-Clay-Plymouth-Cherokee-
Buena Vista-Woodbury-Ida-Dixon-Dakota-Gregory-Charles Mix-Douglas-
Hutchinson-Turner-Lincoln-Bon Homme-Yankton-Union-
456 PM CDT Thu Apr 9 2020

...WIND ADVISORY WILL EXPIRE AT 5 PM CDT THIS AFTERNOON...

Winds will continue to slowly diminish this evening. However gusts
to 35 mph will be possible through 7pm. 

$$

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
Apr 8, 3:20 AM CDTWind AdvisoryFSDAurora, Beadle, Brookings, Brule, Davison, Hanson and 8 more16 hr

Nearby

Wind Advisories in Iowa, 2020Wind Advisories in South Dakota, 2020Wind Advisories in Nebraska, 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.