Alert archive / Iowa / Wind Advisories in 2019

Wind Advisory 4, NWS Sioux Falls, SD

April 10, 20198 counties in Iowa; Clay County, Union County, South Dakota; Dakota County, Dixon County, Nebraska

NWS Sioux Falls, SD issued this wind advisory at Apr 10, 2019, 3:24 PM CDT for 8 counties in Iowa; Clay County, Union County, South Dakota; Dakota County, Dixon County, Nebraska. It was in force for 22 hr.

The area

The counties it named.

The facts

Issued
Apr 10, 2019, 3:24 PM CDT (20:24 UTC)
Expired
Apr 11, 2019, 1:00 PM CDT
In force
22 hr
Issued by
NWS Sioux Falls, SD

Counties Buena Vista County, IA, Cherokee County, IA, Clay County, IA, Ida County, IA, O'Brien County, IA, Plymouth County, IA, Sioux County, IA, Woodbury County, IA, Dakota County, NE, Dixon County, NE, Clay County, SD, Union County, SD

The radar

The Sioux Falls radar (KFSD), 109 km from the middle of the area, began a volume at 20:21 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, 8.4 hours before the alert went out and 160 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 2019-04-10Temperature 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 2019-04-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 684 square meters per square second.19395878Sfc1 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
1183 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
684 m²/s²
0-3 km storm-relative helicity
963 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted.

216 
WWUS73 KFSD 102024
NPWFSD

URGENT - WEATHER MESSAGE
National Weather Service Sioux Falls SD
324 PM CDT Wed Apr 10 2019

IAZ012>014-020>022-031-032-NEZ013-014-SDZ070-071-110430-
/O.NEW.KFSD.WI.Y.0004.190410T2024Z-190411T1200Z/
Sioux-O'Brien-Clay-Plymouth-Cherokee-Buena Vista-Woodbury-Ida-
Dixon-Dakota-Union-
324 PM CDT Wed Apr 10 2019

...WIND ADVISORY IN EFFECT UNTIL 7 AM CDT THURSDAY...

The National Weather Service in Sioux Falls has issued a Wind
Advisory, which is in effect until 7 AM CDT Thursday.

* WINDS...East 20 to 30 mph with gusts up to 45 mph.

* TIMING...Strong winds are expected tonight into Thursday. 

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory is issued when sustained winds are forecast to be
31 to 39 mph or gusts will range between 46 and 57 mph.  Winds of
these magnitudes may cause minor property damage without extra
precautions. Motorists in high profile vehicles should use
caution until the winds subside.

&&

$$
2 follow-up statements
675 
WWUS73 KFSD 110223
NPWFSD

URGENT - WEATHER MESSAGE
National Weather Service Sioux Falls SD
923 PM CDT Wed Apr 10 2019

IAZ012>014-020>022-031-032-NEZ013-014-SDZ070-071-111200-
/O.CON.KFSD.WI.Y.0004.000000T0000Z-190411T1200Z/
Sioux-O'Brien-Clay-Plymouth-Cherokee-Buena Vista-Woodbury-Ida-
Dixon-Dakota-Union-
923 PM CDT Wed Apr 10 2019

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 AM CDT THURSDAY...

* WINDS...Northeast 25 to 35 mph with gusts up to 50 mph.

* TIMING...Strong winds are expected tonight into Thursday.

* IMPACTS...Strong winds may blow down limbs, trees, and power 
  lines. Scattered power outages are expected.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory is issued when sustained winds are forecast to be
31 to 39 mph or gusts will range between 46 and 57 mph.  Winds of
these magnitudes may cause minor property damage without extra
precautions. Motorists in high profile vehicles should use
caution until the winds subside.

&&

$$
257 
WWUS73 KFSD 110821
NPWFSD

URGENT - WEATHER MESSAGE
National Weather Service Sioux Falls SD
321 AM CDT Thu Apr 11 2019

IAZ012>014-020>022-031-032-NEZ013-014-SDZ070-071-111630-
/O.EXT.KFSD.WI.Y.0004.000000T0000Z-190411T1800Z/
Sioux-O'Brien-Clay-Plymouth-Cherokee-Buena Vista-Woodbury-Ida-
Dixon-Dakota-Union-
321 AM CDT Thu Apr 11 2019

...WIND ADVISORY NOW IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON...

* WINDS...East to northeast 20 to 30 mph with gusts up to 50 mph.

* TIMING...Strong winds are expected through 1 pm.

* IMPACTS...Strong winds may blow down limbs, trees, and power 
  lines. Scattered power outages are expected.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory is issued when sustained winds are forecast to be
31 to 39 mph or gusts will range between 46 and 57 mph.  Winds of
these magnitudes may cause minor property damage without extra
precautions. Motorists in high profile vehicles should use
caution until the winds subside.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 10, 12:37 PM CDTIce Storm WarningFSDDickinson, Lyon, Osceola27 hr
Apr 10, 3:49 AM CDTWinter Weather AdvisoryFSDBeadle, Brookings, Kingsbury, Lake, Miner, Moody and 1 more15 hr
Apr 10, 12:37 PM CDTWinter Storm WarningFSDLincoln, Minnehaha, Turner, Yankton42 hr

Nearby

Wind Advisories in Iowa, 2019Wind Advisories in South Dakota, 2019Wind Advisories in Nebraska, 2019Every wind advisory 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.