Alert archive / Nebraska / Red Flag Warnings in 2021
Red Flag Warning 1, NWS Omaha, NE
NWS Omaha, NE issued this red flag warning at Mar 6, 2021, 2:59 PM CST for 8 counties in Nebraska; 4 counties in Iowa. It took effect at Mar 7, 2021, 12:00 PM CST. It was in force for 7 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
- Mar 6, 2021, 2:59 PM CST (20:59 UTC)
- In effect from
- Mar 7, 2021, 12:00 PM CST
- Expired
- Mar 7, 2021, 7:00 PM CST
- In force
- 7 hr
- Issued by
- NWS Omaha, NE
Counties Fremont County, IA, Mills County, IA, Montgomery County, IA, Page County, IA, Cass County, NE, Gage County, NE, Jefferson County, NE, Johnson County, NE, Nemaha County, NE, Otoe County, NE, Pawnee County, NE, Richardson County, NE
The radar
The Omaha radar (KOAX), 92 km from the middle of the area, began a volume at 21:01 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, 9.0 hours before the alert went out and 92 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
- 1758 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 66 m²/s²
- 0-3 km storm-relative helicity
- 145 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
746 WWUS83 KOAX 062059 RFWOAX URGENT - FIRE WEATHER MESSAGE National Weather Service Omaha/Valley NE 259 PM CST Sat Mar 6 2021 NEZ088>093-070500- /O.NEW.KOAX.FW.W.0001.210307T1800Z-210308T0100Z/ Jefferson-Gage-Johnson-Nemaha-Pawnee-Richardson- 259 PM CST Sat Mar 6 2021 ...RED FLAG WARNING IN EFFECT FROM NOON TO 7 PM CST SUNDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR far southeast 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 noon to 7 PM CST Sunday. * Affected Area...In Nebraska, Fire Weather Zone 088 Jefferson, Fire Weather Zone 089 Gage, Fire Weather Zone 090 Johnson, Fire Weather Zone 091 Nemaha, Fire Weather Zone 092 Pawnee and Fire Weather Zone 093 Richardson. * Winds...Southwest 15 to 25 mph with gusts up to 40 mph. * Relative Humidity...As low as 23 percent. * Impacts...any fires that develop will likely spread rapidly. Outdoor burning is not recommended. 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. && $$ Pearson
4 follow-up statements
964 WWUS83 KOAX 070300 RFWOAX URGENT - FIRE WEATHER MESSAGE National Weather Service Omaha/Valley NE 900 PM CST Sat Mar 6 2021 NEZ088>093-071100- /O.CON.KOAX.FW.W.0001.210307T1800Z-210308T0100Z/ Jefferson-Gage-Johnson-Nemaha-Pawnee-Richardson- 900 PM CST Sat Mar 6 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 7 PM CST SUNDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FAR SOUTHEAST NEBRASKA... * Affected Area...In Nebraska, Fire Weather Zone 088 Jefferson, Fire Weather Zone 089 Gage, Fire Weather Zone 090 Johnson, Fire Weather Zone 091 Nemaha, Fire Weather Zone 092 Pawnee and Fire Weather Zone 093 Richardson. * Winds...Southwest 15 to 25 mph with gusts up to 40 mph. * Relative Humidity...As low as 23 percent. * Impacts...any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity and warm temperatures can contribute to extreme fire behavior. && $$
392 WWUS83 KOAX 070901 RFWOAX URGENT - FIRE WEATHER MESSAGE National Weather Service Omaha/Valley NE 301 AM CST Sun Mar 7 2021 IAZ079-080-090-091-NEZ067-068-071800- /O.EXA.KOAX.FW.W.0001.210307T1800Z-210308T0100Z/ Mills-Montgomery-Fremont-Page-Cass-Otoe- 301 AM CST Sun Mar 7 2021 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 7 PM CST FOR WIND AND LOW RELATIVE HUMIDITY FOR PORTIONS OF SOUTHEAST NEBRASKA AND SOUTHWEST IOWA... The National Weather Service in Omaha/Valley has issued a Red Flag Warning for wind and low relative humidity, which is in effect from noon today to 7 PM CST this evening. * Affected Area...In Iowa, Fire Weather Zone 079 Mills, Fire Weather Zone 080 Montgomery, Fire Weather Zone 090 Fremont and Fire Weather Zone 091 Page. In Nebraska, Fire Weather Zone 067 Cass and Fire Weather Zone 068 Otoe. * Winds...Southwest 15 to 25 mph with gusts up to 35 mph. * Relative Humidity...As low as 24 percent. * Impacts...any fires that develop will likely spread rapidly. Outdoor burning is not recommended. 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. && $$ NEZ088>093-071800- /O.CON.KOAX.FW.W.0001.210307T1800Z-210308T0100Z/ Jefferson-Gage-Johnson-Nemaha-Pawnee-Richardson- 301 AM CST Sun Mar 7 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 7 PM CST FOR WIND AND LOW RELATIVE HUMIDITY FOR PORTIONS OF SOUTHEAST NEBRASKA AND SOUTHWEST IOWA... * Affected Area...In Nebraska, Fire Weather Zone 088 Jefferson, Fire Weather Zone 089 Gage, Fire Weather Zone 090 Johnson, Fire Weather Zone 091 Nemaha, Fire Weather Zone 092 Pawnee and Fire Weather Zone 093 Richardson. * Winds...Southwest 15 to 25 mph with gusts up to 35 mph. * Relative Humidity...As low as 21 percent. * Impacts...any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity and warm temperatures can contribute to extreme fire behavior. && $$
343 WWUS83 KOAX 071737 RFWOAX URGENT - FIRE WEATHER MESSAGE National Weather Service Omaha/Valley NE 1137 AM CST Sun Mar 7 2021 IAZ079-080-090-091-NEZ067-068-088>093-080100- /O.CON.KOAX.FW.W.0001.210307T1800Z-210308T0100Z/ Mills-Montgomery-Fremont-Page-Cass-Otoe-Jefferson-Gage-Johnson- Nemaha-Pawnee-Richardson- 1137 AM CST Sun Mar 7 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CST THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR PORTIONS OF SOUTHEAST NEBRASKA AND SOUTHWEST IOWA... * Affected Area...In Iowa, Fire Weather Zone 079 Mills, Fire Weather Zone 080 Montgomery, Fire Weather Zone 090 Fremont and Fire Weather Zone 091 Page. In Nebraska, Fire Weather Zone 067 Cass, Fire Weather Zone 068 Otoe, Fire Weather Zone 088 Jefferson, Fire Weather Zone 089 Gage, Fire Weather Zone 090 Johnson, Fire Weather Zone 091 Nemaha, Fire Weather Zone 092 Pawnee and Fire Weather Zone 093 Richardson. * Winds...Southwest 15 to 25 mph with gusts up to 35 mph. * Relative Humidity...As low as 25 percent. * Impacts...any fires that develop will likely spread rapidly. Outdoor burning is not recommended. 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. && $$
858 WWUS83 KOAX 080045 RFWOAX URGENT - FIRE WEATHER MESSAGE National Weather Service Omaha/Valley NE 645 PM CST Sun Mar 7 2021 IAZ079-080-090-091-NEZ067-068-088>093-080145- /O.EXP.KOAX.FW.W.0001.000000T0000Z-210308T0100Z/ Mills-Montgomery-Fremont-Page-Cass-Otoe-Jefferson-Gage-Johnson- Nemaha-Pawnee-Richardson- 645 PM CST Sun Mar 7 2021 ...RED FLAG WARNING WILL EXPIRE AT 7 PM CST THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR SOUTHEAST NEBRASKA... Now that the sun has set and winds are diminishing, the fire weather threat has ended. Thus, the red flag warning will be allowed to expire on schedule. $$
Nearby
Red Flag Warnings in Nebraska, 2021Red Flag Warnings in Iowa, 2021Every red flag warning 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.