Alert archive / Kansas / Red Flag Warnings in 2021
Red Flag Warning 2, NWS Kansas City, MO
NWS Kansas City, MO issued this red flag warning at Mar 8, 2021, 2:53 AM CST for Johnson County, Linn County, Miami County, Kansas; Bates County, Cass County, Henry County, Missouri. It took effect at Mar 8, 2021, 12:00 PM CST. It was in force for 6 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 8, 2021, 2:53 AM CST (08:53 UTC)
- In effect from
- Mar 8, 2021, 12:00 PM CST
- Expired
- Mar 8, 2021, 6:00 PM CST
- In force
- 6 hr
- Issued by
- NWS Kansas City, MO
Counties Johnson County, KS, Linn County, KS, Miami County, KS, Bates County, MO, Cass County, MO, Henry County, MO
The radar
The Pleasant Hill radar (KEAX), 41 km from the middle of the area, began a volume at 08:52 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
Topeka, KS (KTOP), launched 00:00Z, 8.9 hours before the alert went out and 114 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
- 2964 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 16 m²/s²
- 0-3 km storm-relative helicity
- 212 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
937 WWUS83 KEAX 080853 RFWEAX URGENT - FIRE WEATHER MESSAGE National Weather Service Kansas City/Pleasant Hill MO 253 AM CST Mon Mar 8 2021 ...CRITICAL FIRE DANGER TODAY... .Gusty south-southwest winds will develop today as relative humidity falls to 20-30 percent. With the dry fuels already in place, critical fire weather conditions are expected again today. KSZ057-060-105-MOZ043-053-054-090000- /O.NEW.KEAX.FW.W.0002.210308T1800Z-210309T0000Z/ Miami-Linn KS-Johnson KS-Cass-Bates-Henry- 253 AM CST Mon Mar 8 2021 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 6 PM CST THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 043, 053, 054, 057, 060, AND 105... The National Weather Service in Kansas City/Pleasant Hill has issued a Red Flag Warning, which is in effect from noon today to 6 PM CST this evening. * AFFECTED AREA...Fire weather zones 057, 060, and 105.Fire weather zones 043, 053, and 054. * WIND...South to southwest winds of 15-20 mph with frequent gusts of 25 to 30 mph. * HUMIDITY...Relative humidity values are expected to fall to 20 to 25 percent this afternoon. * 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. && $$
1 follow-up statement
810 WWUS83 KEAX 082359 RFWEAX URGENT - FIRE WEATHER MESSAGE National Weather Service Kansas City/Pleasant Hill MO 559 PM CST Mon Mar 8 2021 ...Red Flag Warning Will Expire at 6 PM... KSZ057-060-105-MOZ043-053-054-090100- /O.EXP.KEAX.FW.W.0002.000000T0000Z-210309T0000Z/ Miami-Linn KS-Johnson KS-Cass-Bates-Henry- 559 PM CST Mon Mar 8 2021 ...RED FLAG WARNING WILL EXPIRE AT 6 PM CST THIS EVENING FOR FIRE WEATHER ZONES 043, 053, 054, 057, 060, AND 105... The Red Flag Warning will be allowed to expire at 6 PM. Through sunset, winds will continue to relax and relative humidity values will gradually increase through the remainder of the evening. $$
Nearby
Red Flag Warnings in Kansas, 2021Red 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.