Alert archive / Nebraska / Wind Advisories in 2021
Wind Advisory 5, NWS Omaha, NE
NWS Omaha, NE issued this wind advisory at Mar 21, 2021, 3:15 AM CDT for 8 counties in Iowa; 14 counties in Nebraska. It took effect at Mar 21, 2021, 9:10 AM CDT. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Mar 21, 2021, 3:15 AM CDT (08:15 UTC)
- In effect from
- Mar 21, 2021, 9:10 AM CDT
- Expired
- Mar 21, 2021, 5:00 PM CDT
- In force
- 8 hr
- Issued by
- NWS Omaha, NE
All 22 counties
Fremont County, IA, Harrison County, IA, Mills County, IA, Monona County, IA, Montgomery County, IA, Page County, IA, Pottawattamie County, IA, Shelby County, IA, Burt County, NE, Cass County, NE, Dodge County, NE, Douglas County, NE, Gage County, NE, Johnson County, NE, Lancaster County, NE, Nemaha County, NE, Otoe County, NE, Pawnee County, NE, Richardson County, NE, Sarpy County, NE, Saunders County, NE, Washington County, NE
The radar
The Omaha radar (KOAX), 45 km from the middle of the area, began a volume at 08:13 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, 8.3 hours before the alert went out and 45 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.
586 WWUS73 KOAX 210815 NPWOAX URGENT - WEATHER MESSAGE National Weather Service Omaha/Valley NE 315 AM CDT Sun Mar 21 2021 IAZ043-055-056-212000- /O.NEW.KOAX.WI.Y.0005.210321T1500Z-210321T2000Z/ Monona-Harrison-Shelby- Including the cities of Onawa, Mapleton, Missouri Valley, Woodbine, Logan, Dunlap, and Harlan 315 AM CDT Sun Mar 21 2021 ...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 3 PM CDT THIS AFTERNOON... * WHAT...South winds 25 to 35 mph with gusts up to 45 mph expected. * WHERE...Monona, Harrison and Shelby Counties. * WHEN...From 10 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...The strong winds will also contribute to sporadic or uncontrollable fire behavior. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
4 follow-up statements
172 WWUS73 KOAX 210817 NPWOAX URGENT - WEATHER MESSAGE National Weather Service Omaha/Valley NE 317 AM CDT Sun Mar 21 2021 IAZ043-055-056-211630- /O.CON.KOAX.WI.Y.0005.210321T1500Z-210321T2000Z/ Monona-Harrison-Shelby- Including the cities of Onawa, Mapleton, Missouri Valley, Woodbine, Logan, Dunlap, and Harlan 317 AM CDT Sun Mar 21 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 3 PM CDT THIS AFTERNOON... * WHAT...South winds 25 to 35 mph with gusts up to 45 mph expected. * WHERE...Monona, Harrison and Shelby Counties. * WHEN...From 10 AM this morning to 3 PM CDT this afternoon. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...The strong winds will also contribute to erratic or uncontrollable fire behavior. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
789 WWUS73 KOAX 211410 NPWOAX URGENT - WEATHER MESSAGE National Weather Service Omaha/Valley NE 910 AM CDT Sun Mar 21 2021 IAZ069-079-080-090-091-NEZ034-044-045-051>053-066>068-089>093- 212000- /O.EXB.KOAX.WI.Y.0005.210321T1410Z-210321T2000Z/ Pottawattamie-Mills-Montgomery-Fremont-Page-Burt-Dodge-Washington- Saunders-Douglas-Sarpy-Lancaster-Cass-Otoe-Gage-Johnson-Nemaha- Pawnee-Richardson- Including the cities of Council Bluffs, Glenwood, Red Oak, Sidney, Hamburg, Tabor, Farragut, Clarinda, Shenandoah, Tekamah, Oakland, Lyons, Decatur, Fremont, Blair, Wahoo, Ashland, Yutan, Omaha, Bellevue, Papillion, La Vista, Lincoln, Plattsmouth, Nebraska City, Beatrice, Tecumseh, Sterling, Auburn, Pawnee City, Table Rock, and Falls City 910 AM CDT Sun Mar 21 2021 ...WIND ADVISORY IN EFFECT UNTIL 3 PM CDT THIS AFTERNOON... * WHAT...South winds 25 to 30 mph with gusts up to around 45 mph. * WHERE...Portions of east central and southeast Nebraska and southwest Iowa. * 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. * ADDITIONAL DETAILS...The strong winds will also contribute to erratic or uncontrollable fire behavior. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ IAZ043-055-056-212000- /O.EXT.KOAX.WI.Y.0005.210321T1410Z-210321T2000Z/ Monona-Harrison-Shelby- Including the cities of Onawa, Mapleton, Missouri Valley, Woodbine, Logan, Dunlap, and Harlan 910 AM CDT Sun Mar 21 2021 ...WIND ADVISORY NOW IN EFFECT UNTIL 3 PM CDT THIS AFTERNOON... * WHAT...South winds 25 to 30 mph with gusts up to around 45 mph expected. * WHERE...Monona, Harrison and Shelby Counties. * WHEN...Until 3 PM CDT this afternoon. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...The strong winds will also contribute to erratic or uncontrollable fire behavior. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
120 WWUS73 KOAX 211915 NPWOAX URGENT - WEATHER MESSAGE National Weather Service Omaha/Valley NE 215 PM CDT Sun Mar 21 2021 IAZ043-055-056-069-079-080-090-091-NEZ045-052-053-067-068-090>093- 212200- /O.EXT.KOAX.WI.Y.0005.000000T0000Z-210321T2200Z/ Monona-Harrison-Shelby-Pottawattamie-Mills-Montgomery-Fremont- Page-Washington-Douglas-Sarpy-Cass-Otoe-Johnson-Nemaha-Pawnee- Richardson- Including the cities of Onawa, Mapleton, Missouri Valley, Woodbine, Logan, Dunlap, Harlan, Council Bluffs, Glenwood, Red Oak, Sidney, Hamburg, Tabor, Farragut, Clarinda, Shenandoah, Blair, Omaha, Bellevue, Papillion, La Vista, Plattsmouth, Nebraska City, Tecumseh, Sterling, Auburn, Pawnee City, Table Rock, and Falls City 215 PM CDT Sun Mar 21 2021 ...WIND ADVISORY NOW IN EFFECT UNTIL 5 PM CDT THIS AFTERNOON... * WHAT...South winds 25 to 30 mph with gusts up to around 45 mph expected. * WHERE...Monona, Harrison and Shelby Counties. * WHEN...Until 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. * ADDITIONAL DETAILS...The strong winds will also contribute to erratic or uncontrollable fire behavior. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ NEZ034-044-051-066-089-212015- /O.CON.KOAX.WI.Y.0005.000000T0000Z-210321T2000Z/ Burt-Dodge-Saunders-Lancaster-Gage- Including the cities of Tekamah, Oakland, Lyons, Decatur, Fremont, Wahoo, Ashland, Yutan, Lincoln, and Beatrice 215 PM CDT Sun Mar 21 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 PM CDT THIS AFTERNOON... * WHAT...South winds 25 to 30 mph with gusts up to around 45 mph. * WHERE...Portions of east central and southeast Nebraska and southwest Iowa. * WHEN...Until 3 PM CDT this afternoon. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...The strong winds will also contribute to erratic or uncontrollable fire behavior. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
157 WWUS73 KOAX 212002 NPWOAX URGENT - WEATHER MESSAGE National Weather Service Omaha/Valley NE 302 PM CDT Sun Mar 21 2021 NEZ034-044-051-066-089-212115- /O.EXP.KOAX.WI.Y.0005.000000T0000Z-210321T2000Z/ Burt-Dodge-Saunders-Lancaster-Gage- Including the cities of Tekamah, Oakland, Lyons, Decatur, Fremont, Wahoo, Ashland, Yutan, Lincoln, and Beatrice 302 PM CDT Sun Mar 21 2021 ...WIND ADVISORY HAS EXPIRED... Winds will continue to decrease the next few hours. $$ IAZ043-055-056-069-079-080-090-091-NEZ045-052-053-067-068-090>093- 212200- /O.CON.KOAX.WI.Y.0005.000000T0000Z-210321T2200Z/ Monona-Harrison-Shelby-Pottawattamie-Mills-Montgomery-Fremont- Page-Washington-Douglas-Sarpy-Cass-Otoe-Johnson-Nemaha-Pawnee- Richardson- Including the cities of Onawa, Mapleton, Missouri Valley, Woodbine, Logan, Dunlap, Harlan, Council Bluffs, Glenwood, Red Oak, Sidney, Hamburg, Tabor, Farragut, Clarinda, Shenandoah, Blair, Omaha, Bellevue, Papillion, La Vista, Plattsmouth, Nebraska City, Tecumseh, Sterling, Auburn, Pawnee City, Table Rock, and Falls City 302 PM CDT Sun Mar 21 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 PM CDT THIS AFTERNOON... * WHAT...South winds 25 to 30 mph with gusts up to around 45 mph expected. * WHERE...Parts of eastern NE and southwest Iowa. * WHEN...Until 5 PM CDT this afternoon. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...The strong winds will also contribute to erratic or uncontrollable fire behavior. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
Nearby
Wind Advisories in Nebraska, 2021Wind Advisories in Iowa, 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.