Alert archive / Illinois / Frost Advisories in 2021
Frost Advisory 1, NWS Lincoln, IL
NWS Lincoln, IL issued this frost advisory at Apr 13, 2021, 2:59 PM CDT for 5 counties in Illinois. It took effect at Apr 14, 2021, 2:00 AM CDT. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Apr 13, 2021, 2:59 PM CDT (19:59 UTC)
- In effect from
- Apr 14, 2021, 2:00 AM CDT
- Expired
- Apr 14, 2021, 8:00 AM CDT
- In force
- 6 hr
- Issued by
- NWS Lincoln, IL
Counties Fulton County, IL, Knox County, IL, Marshall County, IL, Peoria County, IL, Stark County, IL
The radar
The Lincoln radar (KILX), 91 km from the middle of the area, began a volume at 19:58 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
Davenport, (KDVN), launched 12:00Z, 8.0 hours before the alert went out and 99 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
- 1104 m above ground
- 0-6 km bulk shear
- 75 kt
- 0-1 km storm-relative helicity
- -107 m²/s²
- 0-3 km storm-relative helicity
- 14 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
892 WWUS73 KILX 131959 NPWILX URGENT - WEATHER MESSAGE National Weather Service Lincoln IL 259 PM CDT Tue Apr 13 2021 ILZ027>030-036-140400- /O.NEW.KILX.FR.Y.0001.210414T0700Z-210414T1300Z/ Knox-Stark-Peoria-Marshall-Fulton- Including the cities of Galesburg, Toulon, Peoria, Lacon, and Canton 259 PM CDT Tue Apr 13 2021 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 8 AM CDT WEDNESDAY... * WHAT...Temperatures as low as 34 will result in frost formation. * WHERE...Knox, Stark, Peoria, Marshall and Fulton Counties. * WHEN...From 2 AM to 8 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. && $$ Auten
3 follow-up statements
760 WWUS73 KILX 140225 NPWILX URGENT - WEATHER MESSAGE National Weather Service Lincoln IL 925 PM CDT Tue Apr 13 2021 ILZ027>030-036-141030- /O.CON.KILX.FR.Y.0001.210414T0700Z-210414T1300Z/ Knox-Stark-Peoria-Marshall-Fulton- Including the cities of Galesburg, Toulon, Peoria, Lacon, and Canton 925 PM CDT Tue Apr 13 2021 ...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM CDT WEDNESDAY... * WHAT...Temperatures in the low to mid 30s will result in frost formation. * WHERE...Knox, Stark, Peoria, Marshall and Fulton Counties. * WHEN...From 2 AM to 8 AM CDT Wednesday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ Deubelbeiss
940 WWUS73 KILX 141100 NPWILX URGENT - WEATHER MESSAGE National Weather Service Lincoln IL 600 AM CDT Wed Apr 14 2021 ILZ027>030-036-141300- /O.CON.KILX.FR.Y.0001.000000T0000Z-210414T1300Z/ Knox-Stark-Peoria-Marshall-Fulton- Including the cities of Galesburg, Toulon, Peoria, Lacon, and Canton 600 AM CDT Wed Apr 14 2021 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING... * WHAT...Temperatures in the low to mid 30s will result in frost formation. * WHERE...Knox, Stark, Peoria, Marshall and Fulton Counties. * WHEN...From 2 AM to 8 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. && $$ Roberson
455 WWUS73 KILX 141255 NPWILX URGENT - WEATHER MESSAGE National Weather Service Lincoln IL 755 AM CDT Wed Apr 14 2021 ILZ027>030-036-141400- /O.EXP.KILX.FR.Y.0001.000000T0000Z-210414T1300Z/ Knox-Stark-Peoria-Marshall-Fulton- Including the cities of Galesburg, Toulon, Peoria, Lacon, and Canton 755 AM CDT Wed Apr 14 2021 ...FROST ADVISORY WILL EXPIRE AT 8 AM CDT THIS MORNING... Temperatures continue to gradually warm this morning. Therefore, the Frost Advisory will be allowed to expire at 8 AM. $$ NMB
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.