Alert archive / Illinois / Frost Advisories in 2021
Frost Advisory 6, NWS Lincoln, IL
NWS Lincoln, IL issued this frost advisory at Oct 26, 2021, 7:06 PM CDT for Clark County, Edgar County, Vermilion County, Illinois. It took effect at Oct 27, 2021, 1:00 AM CDT. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Oct 26, 2021, 7:06 PM CDT (00:06 UTC)
- In effect from
- Oct 27, 2021, 1:00 AM CDT
- Expired
- Oct 27, 2021, 9:00 AM CDT
- In force
- 8 hr
- Issued by
- NWS Lincoln, IL
Counties Clark County, IL, Edgar County, IL, Vermilion County, IL
The radar
The Indianapolis radar (KIND), 126 km from the middle of the area, began a volume at 00:07 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 00:00Z, 0.1 hours before the alert went out and 86 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
- 1206 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- -17 m²/s²
- 0-3 km storm-relative helicity
- 93 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
390 WWUS73 KILX 270006 NPWILX URGENT - WEATHER MESSAGE National Weather Service Lincoln IL 706 PM CDT Tue Oct 26 2021 ILZ046-057-063-270815- /O.NEW.KILX.FR.Y.0006.211027T0600Z-211027T1400Z/ Vermilion-Edgar-Clark- Including the cities of Danville, Paris, and Marshall 706 PM CDT Tue Oct 26 2021 ...FROST ADVISORY IN EFFECT FROM 1 AM TO 9 AM CDT WEDNESDAY... * WHAT...Temperatures as low as 35 will result in frost formation. * WHERE...Vermilion, Edgar and Clark Counties. * WHEN...From 1 AM to 9 AM CDT Wednesday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
2 follow-up statements
667 WWUS73 KILX 270508 NPWILX URGENT - WEATHER MESSAGE National Weather Service Lincoln IL 1208 AM CDT Wed Oct 27 2021 ILZ046-057-063-271400- /O.CON.KILX.FR.Y.0006.211027T0600Z-211027T1400Z/ Vermilion-Edgar-Clark- Including the cities of Danville, Paris, and Marshall 1208 AM CDT Wed Oct 27 2021 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM CDT THIS MORNING... * WHAT...Temperatures as low as 35 will result in frost formation. * WHERE...Vermilion, Edgar and Clark Counties. * WHEN...From 1 AM to 9 AM CDT. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
501 WWUS73 KILX 271340 NPWILX URGENT - WEATHER MESSAGE National Weather Service Lincoln IL 840 AM CDT Wed Oct 27 2021 ILZ046-057-063-271445- /O.EXP.KILX.FR.Y.0006.000000T0000Z-211027T1400Z/ Vermilion-Edgar-Clark- Including the cities of Danville, Paris, and Marshall 840 AM CDT Wed Oct 27 2021 ...FROST ADVISORY WILL EXPIRE AT 9 AM CDT THIS MORNING... Temperatures are warming back into the 40s and the threat for frost this morning has ended. $$
Nearby
Frost Advisories in Illinois, 2021Every frost advisory 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.