Alert archive / Iowa / Wind Advisories in 2021
Wind Advisory 5, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this wind advisory at Mar 21, 2021, 3:04 AM CDT for 8 counties in Minnesota; 11 counties in Iowa. It took effect at Mar 21, 2021, 9:00 AM CDT. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Mar 21, 2021, 3:04 AM CDT (08:04 UTC)
- In effect from
- Mar 21, 2021, 9:00 AM CDT
- Expired
- Mar 21, 2021, 3:00 PM CDT
- In force
- 6 hr
- Issued by
- NWS Sioux Falls, SD
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
The radar
The Sioux Falls radar (KFSD), 83 km from the middle of the area, began a volume at 08:08 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 00:00Z, 8.1 hours before the alert went out and 235 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2667 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 130 m²/s²
- 0-3 km storm-relative helicity
- 315 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
603 WWUS73 KFSD 210804 NPWFSD URGENT - WEATHER MESSAGE National Weather Service Sioux Falls SD 304 AM CDT Sun Mar 21 2021 IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097- 098-211800- /O.NEW.KFSD.WI.Y.0005.210321T1400Z-210321T2000Z/ Lyon-Osceola-Dickinson-Sioux-O'Brien-Clay-Plymouth-Cherokee- Buena Vista-Woodbury-Ida-Lincoln-Murray-Cottonwood-Nobles-Jackson- Pipestone-Rock- 304 AM CDT Sun Mar 21 2021 ...WIND ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 3 PM CDT THIS AFTERNOON... * WHAT...South winds 20 to 30 mph with gusts up to 45 mph expected. * WHERE...Portions of northwest and west central Iowa and southwest Minnesota. * WHEN...From 9 AM this morning to 3 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. * ADDITIONAL DETAILS...Increased fire weather concerns are possible in locations with dry vegetation and void of recent snow melt. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ For more information from the National Weather Service visit https://weather.gov/siouxfalls
2 follow-up statements
375 WWUS73 KFSD 211630 NPWFSD URGENT - WEATHER MESSAGE National Weather Service Sioux Falls SD 1130 AM CDT Sun Mar 21 2021 IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097- 098-212000- /O.CON.KFSD.WI.Y.0005.000000T0000Z-210321T2000Z/ Lyon-Osceola-Dickinson-Sioux-O'Brien-Clay-Plymouth-Cherokee- Buena Vista-Woodbury-Ida-Lincoln-Murray-Cottonwood-Nobles-Jackson- Pipestone-Rock- 1130 AM CDT Sun Mar 21 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 PM CDT THIS AFTERNOON... * WHAT...South winds 25 to 30 mph with gusts up to 50 mph. * WHERE...Portions of northwest and west central Iowa and southwest Minnesota. * WHEN...Until 3 PM CDT this afternoon. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ For more information from the National Weather Service visit https://weather.gov/siouxfalls
994 WWUS73 KFSD 211946 NPWFSD URGENT - WEATHER MESSAGE National Weather Service Sioux Falls SD 246 PM CDT Sun Mar 21 2021 IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097- 098-212100- /O.EXP.KFSD.WI.Y.0005.000000T0000Z-210321T2000Z/ Lyon-Osceola-Dickinson-Sioux-O'Brien-Clay-Plymouth-Cherokee- Buena Vista-Woodbury-Ida-Lincoln-Murray-Cottonwood-Nobles-Jackson- Pipestone-Rock- 246 PM CDT Sun Mar 21 2021 ...WIND ADVISORY WILL EXPIRE AT 3 PM CDT THIS AFTERNOON... Winds continue to slowly weaken as a front moves into the region. However, expect to see continued gusts approaching 30 to 40 mph through the afternoon. $$ For more information from the National Weather Service visit https://weather.gov/siouxfalls
Nearby
Wind Advisories in Iowa, 2021Wind Advisories in Minnesota, 2021Every wind advisory in 2021
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.