Alert archive / Illinois / Red Flag Warnings in 2021
Red Flag Warning 1, NWS Lincoln, IL
NWS Lincoln, IL issued this red flag warning at Mar 29, 2021, 3:21 AM CDT for 6 counties in Illinois. It took effect at Mar 29, 2021, 12:00 PM 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
- Mar 29, 2021, 3:21 AM CDT (08:21 UTC)
- In effect from
- Mar 29, 2021, 12:00 PM CDT
- Expired
- Mar 29, 2021, 8:00 PM CDT
- In force
- 8 hr
- Issued by
- NWS Lincoln, IL
Counties Fulton County, IL, Knox County, IL, Marshall County, IL, Peoria County, IL, Schuyler County, IL, Stark County, IL
The nearest sounding before it
Davenport, (KDVN), launched 00:00Z, 8.4 hours before the alert went out and 106 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
- 1587 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 53 m²/s²
- 0-3 km storm-relative helicity
- 119 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
995 WWUS83 KILX 290821 RFWILX URGENT - FIRE WEATHER MESSAGE National Weather Service Lincoln IL 321 AM CDT Mon Mar 29 2021 ...HIGH FIRE DANGER TODAY... ILZ027>030-036-040-300100- /O.NEW.KILX.FW.W.0001.210329T1700Z-210330T0100Z/ Knox-Stark-Peoria-Marshall-Fulton-Schuyler- 321 AM CDT Mon Mar 29 2021 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM CDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY NORTHWEST OF THE ILLINOIS RIVER... The National Weather Service in Lincoln has issued a Red Flag Warning, which is in effect from noon today to 8 PM CDT this evening. * AFFECTED AREA...Northwest of the Illinois River. * WIND...Southerly winds of 25 to 30 mph, with gusts of 40 to 50 mph expected this afternoon. * HUMIDITY...Minimum RH values of 25 to 30 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. && $$ Baker
2 follow-up statements
202 WWUS83 KILX 291649 RFWILX URGENT - FIRE WEATHER MESSAGE National Weather Service Lincoln IL 1149 AM CDT Mon Mar 29 2021 ...HIGH FIRE DANGER TODAY... ILZ027>030-036-040-300100- /O.CON.KILX.FW.W.0001.210329T1700Z-210330T0100Z/ Knox-Stark-Peoria-Marshall-Fulton-Schuyler- 1149 AM CDT Mon Mar 29 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR AREAS NORTHWEST OF THE ILLINOIS RIVER... * AFFECTED AREA...Northwest of the Illinois River. * WIND...Southerly winds of 25 to 30 mph, with gusts of 40 to 45 mph expected this afternoon. * HUMIDITY...Minimum humidity values of 25 to 30 percent this afternoon. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$ Geelhart
941 WWUS83 KILX 300054 RFWILX URGENT - FIRE WEATHER MESSAGE National Weather Service Lincoln IL 754 PM CDT Mon Mar 29 2021 ILZ027>030-036-040-300200- /O.EXP.KILX.FW.W.0001.000000T0000Z-210330T0100Z/ Knox-Stark-Peoria-Marshall-Fulton-Schuyler- 754 PM CDT Mon Mar 29 2021 ...RED FLAG WARNING WILL EXPIRE AT 8 PM CDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR AREAS NORTHWEST OF THE ILLINOIS RIVER... While winds will remain gusty tonight, humidity will continue to steadily rise, and the Red Flag Warning will be allowed to expire. $$
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 29, 3:25 AM CDT | Wind Advisory | ILX | Fulton, Knox, Marshall, Peoria, Schuyler, Stark | 17 hr |
Nearby
Red Flag Warnings in Illinois, 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.