Alert archive / Nebraska / Wind Advisories in 2021
Wind Advisory 7, NWS Omaha, NE
NWS Omaha, NE issued this wind advisory at Apr 6, 2021, 3:52 AM CDT for 7 counties in Nebraska. It took effect at Apr 6, 2021, 12:00 PM CDT. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Apr 6, 2021, 3:52 AM CDT (08:52 UTC)
- In effect from
- Apr 6, 2021, 12:00 PM CDT
- Expired
- Apr 6, 2021, 7:00 PM CDT
- In force
- 7 hr
- Issued by
- NWS Omaha, NE
Counties Gage County, NE, Jefferson County, NE, Johnson County, NE, Nemaha County, NE, Pawnee County, NE, Richardson County, NE, Saline County, NE
The radar
The Omaha radar (KOAX), 115 km from the middle of the area, began a volume at 08:53 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, 8.9 hours before the alert went out and 115 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
- 820 J/kg
- Mixed-layer CIN
- -127 J/kg
- Mixed-layer LCL
- 2210 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 95 m²/s²
- 0-3 km storm-relative helicity
- 170 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.4
The text
As transmitted.
478 WWUS73 KOAX 060852 NPWOAX URGENT - WEATHER MESSAGE National Weather Service Omaha/Valley NE 352 AM CDT Tue Apr 6 2021 NEZ078-088>093-070000- /O.NEW.KOAX.WI.Y.0007.210406T1700Z-210407T0000Z/ Saline-Jefferson-Gage-Johnson-Nemaha-Pawnee-Richardson- Including the cities of Crete, Wilber, Fairbury, Beatrice, Tecumseh, Sterling, Auburn, Pawnee City, Table Rock, and Falls City 352 AM CDT Tue Apr 6 2021 ...WIND ADVISORY IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS EVENING... * WHAT...South winds 25 to 30 mph with gusts to over 40 mph expected. * WHERE...Saline, Jefferson, Gage, Johnson, Nemaha, Pawnee and Richardson Counties. * WHEN...From noon today to 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. && $$
2 follow-up statements
902 WWUS73 KOAX 061606 NPWOAX URGENT - WEATHER MESSAGE National Weather Service Omaha/Valley NE 1106 AM CDT Tue Apr 6 2021 NEZ078-088>093-070000- /O.CON.KOAX.WI.Y.0007.210406T1700Z-210407T0000Z/ Saline-Jefferson-Gage-Johnson-Nemaha-Pawnee-Richardson- Including the cities of Crete, Wilber, Fairbury, Beatrice, Tecumseh, Sterling, Auburn, Pawnee City, Table Rock, and Falls City 1106 AM CDT Tue Apr 6 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...South winds 25 to 30 mph with gusts to over 40 mph expected. * WHERE...Saline, Jefferson, Gage, Johnson, Nemaha, Pawnee and Richardson Counties. * WHEN...From noon today to 7 PM CDT this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
650 WWUS73 KOAX 062058 NPWOAX URGENT - WEATHER MESSAGE National Weather Service Omaha/Valley NE 358 PM CDT Tue Apr 6 2021 NEZ078-088>093-070000- /O.CON.KOAX.WI.Y.0007.000000T0000Z-210407T0000Z/ Saline-Jefferson-Gage-Johnson-Nemaha-Pawnee-Richardson- Including the cities of Crete, Wilber, Fairbury, Beatrice, Tecumseh, Sterling, Auburn, Pawnee City, Table Rock, and Falls City 358 PM CDT Tue Apr 6 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...South winds 20 to 25 mph with gusts up to 40 mph. * WHERE...Johnson, Nemaha, Pawnee, Richardson, Gage, Jefferson and Saline Counties. * 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. && $$
The office that day
Everything else NWS Omaha, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 5, 7:06 PM CDT | Severe Thunderstorm Warning | OAX | Antelope, Knox | 39 min |
| Apr 5, 9:32 PM CDT | Special Weather Statement | OAX | Wayne | 28 min |
| Apr 6, 7:21 AM CDT | Severe Thunderstorm Warning | OAX | Lancaster, Saline, Seward | 24 min |
| Apr 6, 7:43 AM CDT | Special Weather Statement | OAX | Lancaster | 32 min |
| Apr 6, 7:50 AM CDT | Special Weather Statement | OAX | Lancaster | 25 min |
Nearby
Wind Advisories in Nebraska, 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.