Alert archive / Missouri / Red Flag Warnings in 2021
Red Flag Warning 3, NWS Kansas City, MO
NWS Kansas City, MO issued this red flag warning at Mar 10, 2021, 3:25 AM CST for Atchison County, Missouri. It took effect at Mar 10, 2021, 1:00 PM CST. It was in force for 5 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 10, 2021, 3:25 AM CST (09:25 UTC)
- In effect from
- Mar 10, 2021, 1:00 PM CST
- Expired
- Mar 10, 2021, 6:00 PM CST
- In force
- 5 hr
- Issued by
- NWS Kansas City, MO
County Atchison County, MO
The radar
The Omaha radar (KOAX), 127 km from the middle of the area, began a volume at 09:27 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, 9.4 hours before the alert went out and 127 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
- 3 J/kg
- Mixed-layer CIN
- -270 J/kg
- Mixed-layer LCL
- 1797 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 118 m²/s²
- 0-3 km storm-relative helicity
- 136 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
871 WWUS83 KEAX 100925 RFWEAX URGENT - FIRE WEATHER MESSAGE National Weather Service Kansas City/Pleasant Hill MO 325 AM CST Wed Mar 10 2021 ...EXTREME FIRE DANGER TODAY FOR NORTHWEST MISSOURI... .Strong southerly winds are expected today. Immediately ahead of a strong cold front, dew points are expected to fall such that critical fire weather conditions are anticipated across northwestern Missouri. The critical fire danger conditions are expected to improve this evening. MOZ001-101730- /O.NEW.KEAX.FW.W.0003.210310T1900Z-210311T0000Z/ Atchison MO- 325 AM CST Wed Mar 10 2021 ...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 6 PM CST THIS EVENING FOR LOW RELATIVE HUMIDITY AND GUSTY WINDS FOR FIRE WEATHER ZONE 001... The National Weather Service in Kansas City/Pleasant Hill has issued a Red Flag Warning, which is in effect from 1 PM this afternoon to 6 PM CST this evening. * AFFECTED AREA...Fire weather zone 001. * WIND...South to southwest winds of 25 to 35 mph with gusts to 50 mph can be expected through the afternoon hours. * HUMIDITY...Relative humidity is expected to fall to near 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. && $$
2 follow-up statements
253 WWUS83 KEAX 100927 RFWEAX URGENT - FIRE WEATHER MESSAGE National Weather Service Kansas City/Pleasant Hill MO 327 AM CST Wed Mar 10 2021 ...EXTREME FIRE DANGER TODAY FOR NORTHWEST MISSOURI... .Strong southerly winds are expected today. Immediately ahead of a strong cold front, dew points are expected to fall such that critical fire weather conditions are anticipated across northwestern Missouri. The critical fire danger conditions are expected to improve this evening. MOZ001-110000- /O.CON.KEAX.FW.W.0003.210310T1900Z-210311T0000Z/ Atchison MO- 327 AM CST Wed Mar 10 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 6 PM CST THIS EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 001... * AFFECTED AREA...Fire weather zone 001. * WIND...South to southwest winds of 25 to 35 mph with gusts to 50 mph can be expected through the afternoon hours. * HUMIDITY...Relative humidity is expected to fall to near 25 percent. * IMPACTS...any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$
699 WWUS83 KEAX 102358 RFWEAX URGENT - FIRE WEATHER MESSAGE National Weather Service Kansas City/Pleasant Hill MO 558 PM CST Wed Mar 10 2021 MOZ001-110100- /O.EXP.KEAX.FW.W.0003.000000T0000Z-210311T0000Z/ Atchison MO- 558 PM CST Wed Mar 10 2021 ...RED FLAG WARNING WILL EXPIRE AT 6 PM CST THIS EVENING FOR FOR FIRE WEATHER ZONE 001... Relative humidity values will continue to increase this evening while the gusty winds diminish. Fire weather conditions are expected to improve after sunset. $$
The office that day
Everything else NWS Kansas City, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 10, 5:59 PM CST | Special Weather Statement | EAX | Harrison | 31 min |
Nearby
Red Flag Warnings in Missouri, 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.