Alert archive / Nebraska / Red Flag Warnings in 2022
Red Flag Warning 21, NWS Omaha, NE
NWS Omaha, NE issued this red flag warning at Sep 8, 2022, 3:30 AM CDT for 7 counties in Nebraska. It took effect at Sep 8, 2022, 11:00 AM CDT. It was in force for 8 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Sep 8, 2022, 3:30 AM CDT (08:30 UTC)
- In effect from
- Sep 8, 2022, 11:00 AM CDT
- Expired
- Sep 8, 2022, 7:04 PM CDT
- In force
- 8 hr
- Issued by
- NWS Omaha, NE
Counties Antelope County, NE, Boone County, NE, Cedar County, NE, Knox County, NE, Madison County, NE, Pierce County, NE, Wayne County, NE
The radar
The Omaha radar (KOAX), 146 km from the middle of the area, began a volume at 08:33 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, 8.5 hours before the alert went out and 146 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
- 144 J/kg
- Mixed-layer CIN
- -393 J/kg
- Mixed-layer LCL
- 1730 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 8 m²/s²
- 0-3 km storm-relative helicity
- 52 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted.
088 WWUS83 KOAX 080830 RFWOAX URGENT - FIRE WEATHER MESSAGE National Weather Service Omaha/Valley NE 330 AM CDT Thu Sep 8 2022 NEZ011-012-016>018-030-031-081630- /O.NEW.KOAX.FW.W.0021.220908T1600Z-220909T0200Z/ Knox-Cedar-Antelope-Pierce-Wayne-Boone-Madison- 330 AM CDT Thu Sep 8 2022 ...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 9 PM CDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR NORTHEAST NEBRASKA... The National Weather Service in Omaha/Valley has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 11 AM this morning to 9 PM CDT this evening. * Affected Area...In Nebraska, Knox, Cedar, Antelope, Pierce, Wayne, Boone and Madison. * Winds...South 15 to 20 mph with gusts up to 30 mph. * Relative Humidity...As low as 25 percent. * Impacts... PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity and warm temperatures can contribute to extreme fire behavior. && $$
3 follow-up statements
434 WWUS83 KOAX 081540 RFWOAX URGENT - FIRE WEATHER MESSAGE National Weather Service Omaha/Valley NE 1040 AM CDT Thu Sep 8 2022 NEZ011-012-016>018-030-031-082345- /O.CON.KOAX.FW.W.0021.220908T1600Z-220909T0200Z/ Knox-Cedar-Antelope-Pierce-Wayne-Boone-Madison- 1040 AM CDT Thu Sep 8 2022 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR NORTHEAST NEBRASKA.. * Affected Area...In Nebraska, Knox, Cedar, Antelope, Pierce, Wayne, Boone and Madison. * Winds...South 15 to 20 mph with gusts up to 30 mph. * Relative Humidity...As low as 25 percent. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity and warm temperatures can contribute to extreme fire behavior. && $$
561 WWUS83 KOAX 082001 RFWOAX URGENT - FIRE WEATHER MESSAGE National Weather Service Omaha/Valley NE 301 PM CDT Thu Sep 8 2022 NEZ011-012-016>018-030-031-090200- /O.CON.KOAX.FW.W.0021.000000T0000Z-220909T0200Z/ Knox-Cedar-Antelope-Pierce-Wayne-Boone-Madison- 301 PM CDT Thu Sep 8 2022 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR NORTHEAST NEBRASKA... * Affected Area...In Nebraska, Knox, Cedar, Antelope, Pierce, Wayne, Boone and Madison. * Winds...South 15 to 25 mph with gusts up to 30 mph. * Relative Humidity...As low as 25 percent. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity and warm temperatures can contribute to extreme fire behavior. && $$
057 WWUS83 KOAX 090004 RFWOAX URGENT - FIRE WEATHER MESSAGE National Weather Service Omaha/Valley NE 704 PM CDT Thu Sep 8 2022 NEZ011-012-016>018-030-031-090115- /O.CAN.KOAX.FW.W.0021.000000T0000Z-220909T0200Z/ Knox-Cedar-Antelope-Pierce-Wayne-Boone-Madison- 704 PM CDT Thu Sep 8 2022 ...RED FLAG WARNING IS CANCELLED... Relative humidity is recovering over northeast Nebraska this evening, so the National Weather Service in Omaha/Valley has cancelled the Red Flag Warning. $$
Nearby
Red Flag Warnings in Nebraska, 2022Every red flag warning in 2022
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.