Alert archive / Illinois / Frost Advisories in 2012
Frost Advisory 2, NWS Lincoln, IL
NWS Lincoln, IL issued this frost advisory at Sep 23, 2012, 3:41 PM CDT for 35 counties in Illinois. It took effect at Sep 24, 2012, 1:00 AM CDT. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Sep 23, 2012, 3:41 PM CDT (20:41 UTC)
- In effect from
- Sep 24, 2012, 1:00 AM CDT
- Expired
- Sep 24, 2012, 8:00 AM CDT
- In force
- 7 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 20:43 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, 8.7 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1267 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- -40 m²/s²
- 0-3 km storm-relative helicity
- 53 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
637 WWUS73 KILX 232041 NPWILX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LINCOLN IL 341 PM CDT SUN SEP 23 2012 ...WIDESPREAD FROST EXPECTED OVERNIGHT AND EARLY MONDAY MORNING... .AN EARLY SEASON SURGE OF CHILLY CANADIAN AIR WILL BRING WIDESPREAD FROST OVERNIGHT AND EARLY MONDAY MORNING ACROSS MUCH OF CENTRAL AND SOUTHEAST ILLINOIS. TEMPERATURES ARE EXPECTED TO FALL INTO THE MIDDLE 30S OVERNIGHT ACROSS MUCH OF THE AREA...AND MAY APPROACH 32 DEGREES IN PARTS OF EAST CENTRAL ILLINOIS. THESE COLD TEMPERATURES AND FROST WILL POTENTIALLY DAMAGE SENSITIVE VEGETATION. ILZ027>031-036>038-040>057-061>063-066>068-071>073-241300- /O.NEW.KILX.FR.Y.0002.120924T0600Z-120924T1300Z/ 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- INCLUDING THE CITIES OF...GALESBURG...PEORIA...BLOOMINGTON... NORMAL...HAVANA...LINCOLN...CHAMPAIGN...URBANA...DANVILLE... JACKSONVILLE...SPRINGFIELD...TAYLORVILLE...DECATUR...CHARLESTON... MATTOON...SHELBYVILLE...EFFINGHAM...FLORA...LAWRENCEVILLE 341 PM CDT SUN SEP 23 2012 ...FROST ADVISORY IN EFFECT FROM 1 AM TO 8 AM CDT MONDAY... THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 1 AM TO 8 AM CDT MONDAY. * TEMPERATURE...LOWS WILL FALL QUICKLY THIS EVENING...REACHING INTO THE 30S OVERNIGHT AND ALLOW WIDESPREAD FROST TO DEVELOP. * IMPACTS...WIDESPREAD FROST IS LIKELY TO OCCUR OVERNIGHT INTO EARLY MONDAY MORNING UNTIL ABOUT AN HOUR AFTER SUNRISE. THIS COULD BE CAPABLE OF DAMAGING SENSITIVE VEGETATION THAT IS LEFT UNPROTECTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ KH
3 follow-up statements
455 WWUS73 KILX 240255 NPWILX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LINCOLN IL 955 PM CDT SUN SEP 23 2012 ...WIDESPREAD FROST EXPECTED OVERNIGHT AND EARLY MONDAY MORNING... .AN EARLY SEASON SURGE OF CHILLY CANADIAN AIR WILL BRING WIDESPREAD FROST OVERNIGHT AND EARLY MONDAY MORNING ACROSS MUCH OF CENTRAL AND SOUTHEAST ILLINOIS. TEMPERATURES ARE EXPECTED TO FALL INTO THE MIDDLE 30S OVERNIGHT ACROSS MUCH OF THE AREA...AND MAY APPROACH 32 DEGREES IN PARTS OF EAST CENTRAL ILLINOIS. THESE COLD TEMPERATURES AND FROST WILL POTENTIALLY DAMAGE SENSITIVE VEGETATION. ILZ027>031-036>038-040>057-061>063-066>068-071>073-241300- /O.CON.KILX.FR.Y.0002.120924T0600Z-120924T1300Z/ KNOX-STARK-PEORIA-MARSHALL-WOODFORD-FULTON-TAZEWELL-MCLEAN- SCHUYLER-MASON-LOGAN-DE WITT-PIATT-CHAMPAIGN-VERMILION-CASS- MENARD-SCOTT-MORGAN-SANGAMON-CHRISTIAN-MACON-MOULTRIE-DOUGLAS- COLES-EDGAR-SHELBY-CUMBERLAND-CLARK-EFFINGHAM-JASPER-CRAWFORD- CLAY-RICHLAND-LAWRENCE- INCLUDING THE CITIES OF...GALESBURG...PEORIA...BLOOMINGTON... NORMAL...HAVANA...LINCOLN...CHAMPAIGN...URBANA...DANVILLE... JACKSONVILLE...SPRINGFIELD...TAYLORVILLE...DECATUR...CHARLESTON... MATTOON...SHELBYVILLE...EFFINGHAM...FLORA...LAWRENCEVILLE 955 PM CDT SUN SEP 23 2012 ...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 8 AM CDT MONDAY... A FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 8 AM CDT MONDAY. * TEMPERATURE...EARLY MORNING LOWS WILL DROP INTO THE MIDDLE 30S WITH A FEW READINGS IN THE LOWER 30S POSSIBLE BY MORNING ESPECIALLY ALONG AND EAST OF INTERSTATE 55...WHICH WILL ALLOW WIDESPREAD FROST TO DEVELOP. * IMPACTS...WIDESPREAD FROST IS LIKELY TO OCCUR OVERNIGHT INTO EARLY MONDAY MORNING UNTIL ABOUT AN HOUR AFTER SUNRISE. THIS COULD BE CAPABLE OF DAMAGING SENSITIVE VEGETATION THAT IS LEFT UNPROTECTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ SMITH
786 WWUS73 KILX 240959 NPWILX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LINCOLN IL 459 AM CDT MON SEP 24 2012 ...WIDESPREAD FROST EXPECTED EARLY THIS MORNING... .AN EARLY SEASON SURGE OF CHILLY CANADIAN AIR WILL BRING WIDESPREAD FROST EARLY THIS MORNING ACROSS MUCH OF CENTRAL AND SOUTHEAST ILLINOIS. TEMPERATURES ARE EXPECTED TO DROP INTO THE MIDDLE 30S BY SUNRISE ACROSS MUCH OF THE AREA...AND MAY APPROACH 32 DEGREES IN PARTS OF EAST CENTRAL ILLINOIS. THESE COLD TEMPERATURES AND FROST WILL POTENTIALLY DAMAGE SENSITIVE VEGETATION. ILZ027>031-036>038-040>057-061>063-066>068-071>073-241300- /O.CON.KILX.FR.Y.0002.000000T0000Z-120924T1300Z/ 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- INCLUDING THE CITIES OF...GALESBURG...PEORIA...BLOOMINGTON... NORMAL...HAVANA...LINCOLN...CHAMPAIGN...URBANA...DANVILLE... JACKSONVILLE...SPRINGFIELD...TAYLORVILLE...DECATUR...CHARLESTON... MATTOON...SHELBYVILLE...EFFINGHAM...FLORA...LAWRENCEVILLE 459 AM CDT MON SEP 24 2012 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING... A FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING. * TEMPERATURE...EARLY MORNING LOWS WILL DROP INTO THE MIDDLE 30S WITH A FEW READINGS IN THE LOWER 30S POSSIBLE...ESPECIALLY ALONG AND EAST OF INTERSTATE 55. * IMPACTS...WIDESPREAD FROST IS LIKELY TO OCCUR EARLY THIS MORNING UNTIL ABOUT AN HOUR AFTER SUNRISE. THESE CONDITIONS COULD DAMAGE SENSITIVE VEGETATION THAT IS LEFT UNPROTECTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ SHIMON
013 WWUS73 KILX 241251 NPWILX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LINCOLN IL 751 AM CDT MON SEP 24 2012 ...FROST ADVISORY WILL EXPIRE AT 8 AM CDT THIS MORNING... ILZ027>031-036>038-040>057-061>063-066>068-071>073-241400- /O.EXP.KILX.FR.Y.0002.000000T0000Z-120924T1300Z/ KNOX-STARK-PEORIA-MARSHALL-WOODFORD-FULTON-TAZEWELL-MCLEAN- SCHUYLER-MASON-LOGAN-DE WITT-PIATT-CHAMPAIGN-VERMILION-CASS- MENARD-SCOTT-MORGAN-SANGAMON-CHRISTIAN-MACON-MOULTRIE-DOUGLAS- COLES-EDGAR-SHELBY-CUMBERLAND-CLARK-EFFINGHAM-JASPER-CRAWFORD- CLAY-RICHLAND-LAWRENCE- INCLUDING THE CITIES OF...GALESBURG...PEORIA...BLOOMINGTON... NORMAL...HAVANA...LINCOLN...CHAMPAIGN...URBANA...DANVILLE... JACKSONVILLE...SPRINGFIELD...TAYLORVILLE...DECATUR...CHARLESTON... MATTOON...SHELBYVILLE...EFFINGHAM...FLORA...LAWRENCEVILLE 751 AM CDT MON SEP 24 2012 ...FROST ADVISORY WILL EXPIRE AT 8 AM CDT THIS MORNING... TEMPERATURES ARE RISING AND THE THREAT OF FROST HAS ENDED FOR THIS MORNING. $$ SHIMON
Nearby
Frost Advisories in Illinois, 2012Every frost advisory in 2012
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.