Alert archive / Nebraska / Wind Advisories in 2020
Wind Advisory 13, NWS Omaha, NE
NWS Omaha, NE issued this wind advisory at Oct 11, 2020, 3:05 PM CDT for 30 counties in Nebraska; 8 counties in Iowa. It took effect at Oct 11, 2020, 7:00 PM CDT. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Oct 11, 2020, 3:05 PM CDT (20:05 UTC)
- In effect from
- Oct 11, 2020, 7:00 PM CDT
- Expired
- Oct 12, 2020, 1:26 AM CDT
- In force
- 6 hr
- Issued by
- NWS Omaha, NE
All 38 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, Antelope County, NE, Boone County, NE, Burt County, NE, Butler County, NE, Cass County, NE, Cedar County, NE, Colfax County, NE, Cuming County, NE, Dodge County, NE, Douglas County, NE, Gage County, NE, Jefferson County, NE, Johnson County, NE, Knox County, NE, Lancaster County, NE, Madison County, NE, Nemaha County, NE, Otoe County, NE, Pawnee County, NE, Pierce County, NE, Platte County, NE, Richardson County, NE, Saline County, NE, Sarpy County, NE, Saunders County, NE, Seward County, NE, Stanton County, NE, Thurston County, NE, Washington County, NE, Wayne County, NE
The radar
The Omaha radar (KOAX), 16 km from the middle of the area, began a volume at 20:04 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, 8.1 hours before the alert went out and 16 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
- 105 J/kg
- Mixed-layer CIN
- -529 J/kg
- Mixed-layer LCL
- 1247 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- -42 m²/s²
- 0-3 km storm-relative helicity
- 50 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
643 WWUS73 KOAX 112005 NPWOAX URGENT - WEATHER MESSAGE National Weather Service Omaha/Valley NE 305 PM CDT Sun Oct 11 2020 IAZ043-NEZ015-033-034-043>045-050-051-065-066-120415- /O.NEW.KOAX.WI.Y.0012.201011T2005Z-201011T2300Z/ /O.NEW.KOAX.WI.Y.0013.201012T0200Z-201012T0600Z/ Monona-Thurston-Cuming-Burt-Colfax-Dodge-Washington-Butler- Saunders-Seward-Lancaster- Including the cities of Onawa, Mapleton, Pender, Macy, Walthill, Winnebago, West Point, Wisner, Tekamah, Oakland, Lyons, Decatur, Schuyler, Fremont, Blair, David City, Wahoo, Ashland, Yutan, Seward, Milford, and Lincoln 305 PM CDT Sun Oct 11 2020 ...WIND ADVISORY IN EFFECT UNTIL 6 PM CDT THIS EVENING... ...WIND ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 1 AM CDT MONDAY... * WHAT...For the first Wind Advisory, south winds 20 to 25 mph with gusts around 45 mph. For the second Wind Advisory, northwest winds 15 to 25 mph with gusts up to 45 mph expected. * WHERE...Portions of east central, northeast and southeast Nebraska and west central Iowa. * WHEN...For the first Wind Advisory, until 6 PM CDT this evening. For the second Wind Advisory, from 9 PM this evening to 1 AM CDT Monday. * 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. && $$ IAZ055-056-069-NEZ052-053-120415- /O.NEW.KOAX.WI.Y.0012.201011T2005Z-201011T2300Z/ /O.NEW.KOAX.WI.Y.0013.201012T0300Z-201012T0700Z/ Harrison-Shelby-Pottawattamie-Douglas-Sarpy- Including the cities of Missouri Valley, Woodbine, Logan, Dunlap, Harlan, Council Bluffs, Omaha, Bellevue, Papillion, and La Vista 305 PM CDT Sun Oct 11 2020 ...WIND ADVISORY IN EFFECT UNTIL 6 PM CDT THIS EVENING... ...WIND ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 2 AM CDT MONDAY... * WHAT...For the first Wind Advisory, south winds 20 to 25 mph with gusts around 45 mph. For the second Wind Advisory, northwest winds 15 to 20 mph with gusts up to 50 mph expected. * WHERE...In Nebraska, Douglas and Sarpy Counties. In Iowa, Harrison, Shelby and Pottawattamie Counties. * WHEN...For the first Wind Advisory, until 6 PM CDT this evening. For the second Wind Advisory, from 10 PM this evening to 2 AM CDT Monday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ NEZ011-012-016>018-030>032-042-120400- /O.NEW.KOAX.WI.Y.0013.201012T0000Z-201012T0400Z/ Knox-Cedar-Antelope-Pierce-Wayne-Boone-Madison-Stanton-Platte- Including the cities of Creighton, Bloomfield, Crofton, Wausa, Verdigre, Niobrara, Hartington, Laurel, Randolph, Coleridge, Neligh, Elgin, Pierce, Plainview, Osmond, Wayne, Albion, St. Edward, Norfolk, Stanton, and Columbus 305 PM CDT Sun Oct 11 2020 ...WIND ADVISORY IN EFFECT FROM 7 PM TO 11 PM CDT THIS EVENING... * WHAT...Northwest winds 15 to 30 mph with gusts up to 50 mph expected. * WHERE...Knox, Cedar, Antelope, Pierce, Wayne, Boone, Madison, Stanton and Platte Counties. * WHEN...From 7 PM to 11 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. && $$ NEZ078-088-089-120415- /O.NEW.KOAX.WI.Y.0013.201012T0200Z-201012T0600Z/ Saline-Jefferson-Gage- Including the cities of Crete, Wilber, Fairbury, and Beatrice 305 PM CDT Sun Oct 11 2020 ...WIND ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 1 AM CDT MONDAY... * WHAT...Northwest winds 15 to 30 mph with gusts up to 50 mph expected. * WHERE...Saline, Jefferson and Gage Counties. * WHEN...From 9 PM this evening to 1 AM CDT Monday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ IAZ079-080-090-091-NEZ067-068-090>093-120415- /O.NEW.KOAX.WI.Y.0013.201012T0300Z-201012T0700Z/ Mills-Montgomery-Fremont-Page-Cass-Otoe-Johnson-Nemaha-Pawnee- Richardson- Including the cities of Glenwood, Red Oak, Sidney, Hamburg, Tabor, Farragut, Clarinda, Shenandoah, Plattsmouth, Nebraska City, Tecumseh, Sterling, Auburn, Pawnee City, Table Rock, and Falls City 305 PM CDT Sun Oct 11 2020 ...WIND ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 2 AM CDT MONDAY... * WHAT...Northwest winds 15 to 30 mph with gusts up to 50 mph expected. * WHERE...In Nebraska, Cass, Otoe, Johnson, Nemaha, Pawnee and Richardson Counties. In Iowa, Mills, Montgomery, Fremont and Page Counties. * WHEN...From 10 PM this evening to 2 AM CDT Monday. * 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. && $$
2 follow-up statements
143 WWUS73 KOAX 120509 NPWOAX URGENT - WEATHER MESSAGE National Weather Service Omaha/Valley NE 1209 AM CDT Mon Oct 12 2020 IAZ043-NEZ015-033-034-043>045-050-051-065-066-078-088-089-120615- /O.CAN.KOAX.WI.Y.0013.000000T0000Z-201012T0600Z/ Monona-Thurston-Cuming-Burt-Colfax-Dodge-Washington-Butler- Saunders-Seward-Lancaster-Saline-Jefferson-Gage- Including the cities of Onawa, Mapleton, Pender, Macy, Walthill, Winnebago, West Point, Wisner, Tekamah, Oakland, Lyons, Decatur, Schuyler, Fremont, Blair, David City, Wahoo, Ashland, Yutan, Seward, Milford, Lincoln, Crete, Wilber, Fairbury, and Beatrice 1209 AM CDT Mon Oct 12 2020 ...WIND ADVISORY IS CANCELLED... The strong winds have decreased. $$ IAZ055-056-069-079-080-090-091-NEZ052-053-067-068-090>093-120700- /O.CON.KOAX.WI.Y.0013.000000T0000Z-201012T0700Z/ Harrison-Shelby-Pottawattamie-Mills-Montgomery-Fremont-Page- Douglas-Sarpy-Cass-Otoe-Johnson-Nemaha-Pawnee-Richardson- Including the cities of Missouri Valley, Woodbine, Logan, Dunlap, Harlan, Council Bluffs, Glenwood, Red Oak, Sidney, Hamburg, Tabor, Farragut, Clarinda, Shenandoah, Omaha, Bellevue, Papillion, La Vista, Plattsmouth, Nebraska City, Tecumseh, Sterling, Auburn, Pawnee City, Table Rock, and Falls City 1209 AM CDT Mon Oct 12 2020 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 2 AM CDT EARLY THIS MORNING... * WHAT...Northwest winds 15 to 25 mph with gusts up to 45 mph expected. * WHERE...In Nebraska, Douglas, Sarpy, Cass, Otoe, Johnson, Nemaha, Pawnee and Richardson counties. In Iowa, Harrison, Shelby, Pottawattamie, Mills, Montgomery, Fremont and Page counties. * WHEN...until 2 AM CDT Monday. * 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. && $$
218 WWUS73 KOAX 120626 NPWOAX URGENT - WEATHER MESSAGE National Weather Service Omaha/Valley NE 126 AM CDT Mon Oct 12 2020 IAZ055-056-069-079-080-090-091-NEZ052-053-067-068-090>093-120730- /O.CAN.KOAX.WI.Y.0013.000000T0000Z-201012T0700Z/ Harrison-Shelby-Pottawattamie-Mills-Montgomery-Fremont-Page- Douglas-Sarpy-Cass-Otoe-Johnson-Nemaha-Pawnee-Richardson- Including the cities of Missouri Valley, Woodbine, Logan, Dunlap, Harlan, Council Bluffs, Glenwood, Red Oak, Sidney, Hamburg, Tabor, Farragut, Clarinda, Shenandoah, Omaha, Bellevue, Papillion, La Vista, Plattsmouth, Nebraska City, Tecumseh, Sterling, Auburn, Pawnee City, Table Rock, and Falls City 126 AM CDT Mon Oct 12 2020 ...WIND ADVISORY IS CANCELLED... Winds have decreased and the wind advisory issued earlier has been cancelled. $$
The office that day
Everything else NWS Omaha, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 11, 3:05 PM CDT | Wind Advisory | OAX | Burt, Butler, Colfax, Cuming, Dodge, Douglas and 6 more | 3 hr |
| Oct 11, 5:22 PM CDT | Severe Thunderstorm Warning | OAX | Madison, Stanton | 23 min |
| Oct 11, 5:40 PM CDT | Severe Thunderstorm Warning | OAX | Madison, Stanton, Wayne | 35 min |
| Oct 11, 5:57 PM CDT | Severe Thunderstorm Warning | OAX | Colfax, Madison, Platte, Stanton | 33 min |
| Oct 11, 6:09 PM CDT | Severe Thunderstorm Warning | OAX | Cuming, Stanton, Wayne | 36 min |
| Oct 11, 6:31 PM CDT | Severe Thunderstorm Warning | OAX | Colfax, Cuming, Platte, Stanton | 29 min |
| Oct 11, 6:35 PM CDT | Severe Thunderstorm Warning | OAX | Cuming, Thurston, Wayne | 25 min |
| Oct 11, 6:55 PM CDT | Severe Thunderstorm Warning | OAX | Cuming, Thurston | 35 min |
| Oct 11, 6:59 PM CDT | Severe Thunderstorm Warning | OAX | Colfax, Cuming, Platte, Stanton | 31 min |
Nearby
Wind Advisories in Nebraska, 2020Wind Advisories in Iowa, 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.