Alert archive / Illinois / Red Flag Warnings in 2020

Red Flag Warning 2, NWS Lincoln, IL

October 16, 202035 counties in Illinois

NWS Lincoln, IL issued this red flag warning at Oct 16, 2020, 2:29 PM CDT for 35 counties in Illinois. It took effect at Oct 17, 2020, 10:00 AM CDT. It was in force for 10 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
Oct 16, 2020, 2:29 PM CDT (19:29 UTC)
In effect from
Oct 17, 2020, 10:00 AM CDT
Expired
Oct 17, 2020, 8:00 PM CDT
In force
10 hr
Issued by
NWS Lincoln, IL
All 35 counties

Cass County, IL, Champaign County, IL, Christian County, IL, Clark County, IL, Clay County, IL, Coles County, IL, Crawford County, IL, Cumberland County, IL, DeWitt County, IL, Douglas County, IL, Edgar County, IL, Effingham County, IL, Fulton County, IL, Jasper County, IL, Knox County, IL, Lawrence County, IL, Logan County, IL, Macon County, IL, Marshall County, IL, Mason County, IL, McLean County, IL, Menard County, IL, Morgan County, IL, Moultrie County, IL, Peoria County, IL, Piatt County, IL, Richland County, IL, Sangamon County, IL, Schuyler County, IL, Scott County, IL, Shelby County, IL, Stark County, IL, Tazewell County, IL, Vermilion County, IL, Woodford County, IL

The radar

The Lincoln radar (KILX), 42 km from the middle of the area, began a volume at 19:29 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

Lincoln, IL (KILX), launched 12:00Z, 7.5 hours before the alert went out and 46 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.

Skew-T log-pSkew-T log-p diagram, Lincoln, IL at 12:00Z on 2020-10-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 12:00Z on 2020-10-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 60 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2357 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
60 m²/s²
0-3 km storm-relative helicity
96 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

455 
WWUS83 KILX 161929
RFWILX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Lincoln IL
229 PM CDT Fri Oct 16 2020

...HIGH FIRE DANGER ON SATURDAY...

ILZ031-037-038-041>057-061>063-066>068-071>073-170930-
/O.UPG.KILX.FW.A.0002.201017T1500Z-201018T0100Z/
/O.NEW.KILX.FW.W.0002.201017T1500Z-201018T0100Z/
Woodford-Tazewell-McLean-Mason-Logan-De Witt-Piatt-Champaign-
Vermilion-Cass-Menard-Scott-Morgan-Sangamon-Christian-Macon-
Moultrie-Douglas-Coles-Edgar-Shelby-Cumberland-Clark-Effingham-
Jasper-Crawford-Clay-Richland-Lawrence-
229 PM CDT Fri Oct 16 2020

...RED FLAG WARNING IN EFFECT FROM 10 AM TO 8 PM CDT SATURDAY FOR
GUSTY WINDS AND LOW HUMIDITY FOR AREAS EAST OF THE ILLINOIS RIVER...

The National Weather Service in Lincoln has issued a Red Flag
Warning, which is in effect from 10 AM to 8 PM CDT Saturday. The
Fire Weather Watch is no longer in effect. 

* AFFECTED AREA...Central Illinois east of the Illinois River to
  the Indiana border. 

* WIND...South winds will gust from 45 to 50 mph during the
  afternoon north of a Taylorville to Danville line, and from 35
  to 45 mph south of there. 

* HUMIDITY...Around 20 to 25 percent during the afternoon.

* IMPACTS...Any fires that develop will likely spread rapidly. The
  threat is greatest in rural areas where harvest activities are
  occurring. 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.

&&

$$

ILZ027>030-036-040-170930-
/O.NEW.KILX.FW.A.0003.201017T1500Z-201018T0100Z/
Knox-Stark-Peoria-Marshall-Fulton-Schuyler-
229 PM CDT Fri Oct 16 2020

...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR AREAS WEST
OF THE ILLINOIS RIVER...

The National Weather Service in Lincoln has issued a Fire Weather
Watch, which is in effect from Saturday morning through Saturday
evening. 

* AFFECTED AREA...Portions of central and west central Illinois,
  west of the Illinois River. 

* WIND...South winds will gust from 45 to 50 mph during the
  afternoon.

* HUMIDITY...Around 25 percent during the afternoon.

* IMPACTS...Any fires that develop will likely spread rapidly. The
  threat is greatest in rural areas where harvest activities are
  occurring. Outdoor burning is not recommended.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Fire Weather Watch means that critical fire weather conditions
are forecast to occur. Listen for later forecasts and possible
Red Flag Warnings.

&&

$$

Geelhart
4 follow-up statements
616 
WWUS83 KILX 170732
RFWILX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Lincoln IL
232 AM CDT Sat Oct 17 2020

...HIGH FIRE DANGER ON SATURDAY...

ILZ027>030-036-040-172100-
/O.UPG.KILX.FW.A.0003.201017T1500Z-201018T0100Z/
/O.EXA.KILX.FW.W.0002.201017T1500Z-201018T0100Z/
Including the cities of Galesburg, Toulon, Peoria, Lacon, Canton,
and Rushville
232 AM CDT Sat Oct 17 2020

...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 8 PM CDT
THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR AREAS WEST OF 
THE ILLINOIS RIVER...

The National Weather Service in Lincoln has issued a Red Flag
Warning, which is in effect from 10 AM this morning to 8 PM CDT
this evening. The Fire Weather Watch is no longer in effect. 

* AFFECTED AREA...Portions of central and west central Illinois, 
  west of the Illinois River. 

* WIND...South winds will gust from 45 to 50 mph during the 
  afternoon.

* HUMIDITY...Around 25 percent during the afternoon.

* IMPACTS...Any fires that develop will likely spread rapidly.
  The threat is greatest in rural areas where harvest 
  activities are occurring. 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.

&&

$$

ILZ031-037-038-041>057-061>063-066>068-071>073-172100-
/O.CON.KILX.FW.W.0002.201017T1500Z-201018T0100Z/
Including the cities of Eureka, Pekin, Bloomington, Normal, 
Havana, Lincoln, Clinton, Monticello, Champaign, Urbana, 
Danville, Beardstown, Petersburg, Winchester, Jacksonville, 
Springfield, Taylorville, Decatur, Sullivan, Tuscola, Charleston,
Mattoon, Paris, Shelbyville, Greenup, Marshall, Effingham, 
Newton, Robinson, Flora, Olney, and Lawrenceville
232 AM CDT Sat Oct 17 2020

...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
8 PM CDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR AREAS
EAST OF THE ILLINOIS RIVER...

* AFFECTED AREA...Central Illinois east of the Illinois River to 
  the Indiana border. 

* WIND...South winds will gust from 45 to 50 mph during the 
  afternoon north of a Taylorville to Danville line, and from 
  35 to 45 mph south of there.

* HUMIDITY...Around 20 to 25 percent during the afternoon.

* IMPACTS...Any fires that develop will likely spread rapidly.
  The threat is greatest in rural areas where harvest 
  activities are occurring. 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.

&&

$$

Shimon
538 
WWUS83 KILX 171521
RFWILX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Lincoln IL
1021 AM CDT Sat Oct 17 2020

...HIGH FIRE DANGER TODAY...

ILZ027>031-036>038-040>057-061>063-066>068-071>073-172100-
/O.CON.KILX.FW.W.0002.000000T0000Z-201018T0100Z/
Knox-Stark-Peoria-Marshall-Woodford-Fulton-Tazewell-McLean-
Schuyler-Mason-Logan-De Witt-Piatt-Champaign-Vermilion-Cass-
Menard-Scott-Morgan-Sangamon-Christian-Macon-Moultrie-Douglas-
Coles-Edgar-Shelby-Cumberland-Clark-Effingham-Jasper-Crawford-
Clay-Richland-Lawrence-
1021 AM CDT Sat Oct 17 2020

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING
FOR GUSTY WINDS AND LOW HUMIDITY...

* AFFECTED AREA...Central, east central, and southeast Illinois. 

* WIND...South winds will gust from 45 to 50 mph during the 
  afternoon north of a Taylorville to Danville line, and from 
  35 to 45 mph south of there.

* HUMIDITY...Around 20 to 25 percent during the afternoon.

* IMPACTS...Any fires that develop will likely spread rapidly. 
  The threat is greatest in rural areas where harvest 
  activities are occurring. 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
025 
WWUS83 KILX 172042
RFWILX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Lincoln IL
342 PM CDT Sat Oct 17 2020

...HIGH FIRE DANGER CONTINUES INTO EARLY EVENING...

ILZ027>031-036>038-040>057-061>063-066>068-071>073-180100-
/O.CON.KILX.FW.W.0002.000000T0000Z-201018T0100Z/
Knox-Stark-Peoria-Marshall-Woodford-Fulton-Tazewell-McLean-
Schuyler-Mason-Logan-De Witt-Piatt-Champaign-Vermilion-Cass-
Menard-Scott-Morgan-Sangamon-Christian-Macon-Moultrie-Douglas-
Coles-Edgar-Shelby-Cumberland-Clark-Effingham-Jasper-Crawford-
Clay-Richland-Lawrence-
342 PM CDT Sat Oct 17 2020

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING
FOR GUSTY WINDS AND LOW HUMIDITY...

* AFFECTED AREA...Central, east central, and southeast Illinois.

* WIND...South winds will gust from 40 to 45 mph the remainder of
  the afternoon north of a Springfield to Danville line, and from
  35 to 40 mph south of there.

* HUMIDITY...Around 20 percent.

* IMPACTS...Several fires have developed this afternoon and gotten
  out of control. Any fires that develop will likely spread 
  rapidly. The threat is greatest in rural areas where harvest 
  activities are occurring. 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
406 
WWUS83 KILX 180101
RFWILX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Lincoln IL
801 PM CDT Sat Oct 17 2020


ILZ027>031-036>038-040>057-061>063-066>068-071>073-180215-
/O.EXP.KILX.FW.W.0002.000000T0000Z-201018T0100Z/
Knox-Stark-Peoria-Marshall-Woodford-Fulton-Tazewell-McLean-
Schuyler-Mason-Logan-De Witt-Piatt-Champaign-Vermilion-Cass-
Menard-Scott-Morgan-Sangamon-Christian-Macon-Moultrie-Douglas-
Coles-Edgar-Shelby-Cumberland-Clark-Effingham-Jasper-Crawford-
Clay-Richland-Lawrence-
801 PM CDT Sat Oct 17 2020

...RED FLAG WARNING WILL EXPIRE AT 8 PM CDT THIS EVENING FOR
GUSTY WINDS AND LOW HUMIDITY FOR CENTRAL AND SOUTHEAST ILLINOIS...

Wind speeds have diminished below criteria and humidity will 
continue to steadily rise overnight.

$$

The office that day

Everything else NWS Lincoln, IL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 16, 3:43 AM CDTFrost AdvisoryILXChampaign, Clark, Clay, Coles, Crawford, Cumberland and 7 more28 hr
Oct 16, 3:52 AM CDTFire Weather WatchILXCass, Champaign, Christian, Clark, Clay, Coles and 23 more11 hr
Oct 16, 2:29 PM CDTFire Weather WatchILXFulton, Knox, Marshall, Peoria, Schuyler, Stark12 hr
Oct 16, 3:03 PM CDTWind AdvisoryILXCass, Champaign, Christian, Coles, DeWitt, Douglas and 21 more28 hr

Nearby

Red Flag Warnings in Illinois, 2020Every red flag warning in 2020

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.