Alert archive / Illinois / Red Flag Warnings in 2017

Red Flag Warning 1, NWS Lincoln, IL

March 8, 201716 counties in Illinois

NWS Lincoln, IL issued this red flag warning at Mar 8, 2017, 10:44 AM CST for 16 counties in Illinois. 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, 2017, 10:44 AM CST (16:44 UTC)
Expired
Mar 8, 2017, 5:00 PM CST
In force
6 hr
Issued by
NWS Lincoln, IL

Counties Cass County, IL, Fulton County, IL, Knox County, IL, Logan County, IL, Marshall County, IL, Mason County, IL, McLean County, IL, Menard County, IL, Morgan County, IL, Peoria County, IL, Sangamon County, IL, Schuyler County, IL, Scott County, IL, Stark County, IL, Tazewell County, IL, Woodford County, IL

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 4.7 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.

Skew-T log-pSkew-T log-p diagram, Lincoln, IL at 12:00Z on 2017-03-08Temperature 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 2017-03-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 265 square meters per square second.1939587897117136Sfc1 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
2549 m above ground
0-6 km bulk shear
99 kt
0-1 km storm-relative helicity
265 m²/s²
0-3 km storm-relative helicity
336 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

588 
WWUS83 KILX 081644
RFWILX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Lincoln IL
1044 AM CST Wed Mar 8 2017

...Burning should not be done today...

ILZ027>031-036>038-040>042-047>051-082300-
/O.NEW.KILX.FW.W.0001.170308T1644Z-170308T2300Z/
Knox-Stark-Peoria-Marshall-Woodford-Fulton-Tazewell-McLean-
Schuyler-Mason-Logan-Cass-Menard-Scott-Morgan-Sangamon-
1044 AM CST Wed Mar 8 2017

...RED FLAG WARNING IN EFFECT UNTIL 5 PM CST THIS AFTERNOON FOR
DRY AND WINDY CONDITIONS TODAY...

The National Weather Service in Lincoln has issued a Red Flag
Warning, which is in effect until 5 PM CST this afternoon. 

* AFFECTED AREA...Knox, Stark, Peoria, Marshall, Woodford, 
  Fulton, Tazewell, McLean, Schuyler, Mason, Logan, Cass,
  Menard, Scott, Morgan, and Sangamon counties. Fire weather 
  zones 027, 028, 029, 030, 031, 036, 037, 038, 040, 041, 042, 
  047, 048, 049, 050, and 051. 

* WIND...West wind 15 to 25 mph with gusts of 35 to 40 mph.

* HUMIDITY...As low as 20 to 25 percent this afternoon.

* TIMING...From late this morning through the late 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.

&&

$$

Miller

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 8, 3:50 AM CSTWind AdvisoryILXChampaign, DeWitt, Douglas, Edgar, Knox, McLean and 7 more14 hr

Nearby

Red Flag Warnings in Illinois, 2017Every red flag warning in 2017

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.