Alert archive / Missouri / Frost Advisories in 2012
Frost Advisory 4, NWS St. Louis, MO
NWS St. Louis, MO issued this frost advisory at Oct 7, 2012, 3:13 AM CDT for 12 counties in Illinois; 15 counties in Missouri. It took effect at Oct 8, 2012, 3:00 AM CDT. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Oct 7, 2012, 3:13 AM CDT (08:13 UTC)
- In effect from
- Oct 8, 2012, 3:00 AM CDT
- Expired
- Oct 8, 2012, 9:00 AM CDT
- In force
- 6 hr
- Issued by
- NWS St. Louis, MO
All 27 counties
Bond County, IL, Clinton County, IL, Fayette County, IL, Jersey County, IL, Macoupin County, IL, Madison County, IL, Marion County, IL, Monroe County, IL, Montgomery County, IL, Randolph County, IL, Saint Clair County, IL, Washington County, IL, City of Saint Louis, MO, Crawford County, MO, Franklin County, MO, Gasconade County, MO, Iron County, MO, Jefferson County, MO, Madison County, MO, Osage County, MO, Reynolds County, MO, Saint Charles County, MO, Saint Francois County, MO, Saint Louis County, MO, Sainte Genevieve County, MO, Warren County, MO, Washington County, MO
The radar
The St Louis radar (KLSX), 46 km from the middle of the area, began a volume at 08:13 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, 8.2 hours before the alert went out and 243 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1193 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- -30 m²/s²
- 0-3 km storm-relative helicity
- 36 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
001 WWUS73 KLSX 070813 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 313 AM CDT SUN OCT 7 2012 ILZ095-MOZ019-027-034-035-041-042-047-048-050-070915- /O.CAN.KLSX.FZ.W.0004.121007T0900Z-121007T1300Z/ ADAMS IL-LEWIS MO-MARION MO-MONROE MO-RALLS MO-BOONE MO- AUDRAIN MO-MONITEAU MO-COLE MO-CALLAWAY MO- INCLUDING THE CITIES OF...QUINCY...HANNIBAL...COLUMBIA...MEXICO... JEFFERSON CITY 313 AM CDT SUN OCT 7 2012 ...FREEZE WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS CANCELLED THE FREEZE WARNING. EXTENSIVE CLOUD COVER OVER THE AREA WILL KEEP TEMPERATURES ABOVE FREEZING THIS MORNING. THEREFORE THE FREEZE WARNING IS CANCELLED. $$ MOZ018-026-071300- /O.CON.KLSX.FZ.W.0004.121007T0900Z-121007T1300Z/ KNOX MO-SHELBY MO- 313 AM CDT SUN OCT 7 2012 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING... * TIMING...FREEZING TEMPERATURES ARE LIKELY THROUGH SUNRISE THIS MORNING. * TEMPERATURES...TEMPERATURES AROUND 30 DEGREES ARE LIKELY. * IMPACTS...SEVERAL HOURS BELOW FREEZING CAN DAMAGE OR KILL TENDER VEGETATION. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING IS ISSUED WHEN SUB-FREEZING TEMPERATURES ARE FORECAST TO THREATEN OUTDOOR PLANTS. THOSE WITH AGRICULTURAL INTERESTS IN THE WARNED AREA ARE ADVISED TO PROTECT TENDER VEGETATION. ALSO...POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT INSIDE AWAY FROM THE COLD. && $$ ILZ079-MOZ072>075-084-085-099-072130- /O.NEW.KLSX.FR.Y.0004.121008T0800Z-121008T1400Z/ RANDOLPH IL-CRAWFORD MO-WASHINGTON MO-ST. FRANCOIS MO- STE. GENEVIEVE MO-IRON MO-MADISON MO-REYNOLDS MO- INCLUDING THE CITIES OF...CHESTER...FARMINGTON 313 AM CDT SUN OCT 7 2012 ...FROST ADVISORY IN EFFECT FROM 3 AM TO 9 AM CDT MONDAY... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 3 AM TO 9 AM CDT MONDAY. * TIMING...FROST IS LIKELY LATE TONIGHT THROUGH THE EARLY MORNING ON MONDAY. * TEMPERATURES...TEMPERATURES IN THE LOW TO MID 30S COMBINED WITH LIGHT WIND AND A CLEAR SKY WILL PRODUCE EXCELLENT CONDITIONS FOR FROST. * IMPACTS...DAMAGE TO TENDER VEGETATION IS POSSIBLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY IS ISSUED WHEN FROST IS EXPECTED TO DEVELOP DURING THE GROWING SEASON. THOSE WITH AGRICULTURAL INTERESTS IN THE ADVISORY AREA SHOULD PROTECT TENDER VEGETATION. ALSO...POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT INSIDE AWAY FROM THE COLD. && $$ CARNEY
4 follow-up statements
456 WWUS73 KLSX 071307 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 807 AM CDT SUN OCT 7 2012 MOZ018-026-071415- /O.EXP.KLSX.FZ.W.0004.000000T0000Z-121007T1300Z/ KNOX MO-SHELBY MO- 807 AM CDT SUN OCT 7 2012 ...FREEZE WARNING HAS EXPIRED... TEMPERATURES HAVE REACHED MINIMUM THIS MORNING AND HAVE BEGUN TO RISE. THEREFORE THE FREEZE WARNING HAS BEEN ALLOWED TO EXPIRE. $$ ILZ079-MOZ072>075-084-085-099-080115- /O.CON.KLSX.FR.Y.0004.121008T0800Z-121008T1400Z/ RANDOLPH IL-CRAWFORD MO-WASHINGTON MO-ST. FRANCOIS MO- STE. GENEVIEVE MO-IRON MO-MADISON MO-REYNOLDS MO- INCLUDING THE CITIES OF...CHESTER...FARMINGTON 807 AM CDT SUN OCT 7 2012 ...FROST ADVISORY REMAINS IN EFFECT FROM 3 AM TO 9 AM CDT MONDAY... * TIMING...FROST IS LIKELY LATE TONIGHT THROUGH THE EARLY MORNING ON MONDAY. * TEMPERATURES...TEMPERATURES IN THE LOW TO MID 30S COMBINED WITH LIGHT WIND AND A CLEAR SKY WILL PRODUCE EXCELLENT CONDITIONS FOR FROST. * IMPACTS...DAMAGE TO TENDER VEGETATION IS POSSIBLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY IS ISSUED WHEN FROST IS EXPECTED TO DEVELOP DURING THE GROWING SEASON. THOSE WITH AGRICULTURAL INTERESTS IN THE ADVISORY AREA SHOULD PROTECT TENDER VEGETATION. ALSO...POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT INSIDE AWAY FROM THE COLD. && $$ CARNEY
444 WWUS73 KLSX 072022 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 322 PM CDT SUN OCT 7 2012 ILZ059-060-064-065-069-070-074-099>102-MOZ049-059>065-081000- /O.EXA.KLSX.FR.Y.0004.121008T0800Z-121008T1400Z/ MACOUPIN IL-MONTGOMERY IL-BOND IL-FAYETTE IL-CLINTON IL-MARION IL- WASHINGTON IL-JERSEY IL-MADISON IL-ST. CLAIR IL-MONROE IL- OSAGE MO-GASCONADE MO-WARREN MO-ST. CHARLES MO-FRANKLIN MO- ST. LOUIS MO-ST. LOUIS CITY MO-JEFFERSON MO- INCLUDING THE CITIES OF...LITCHFIELD...VANDALIA...SALEM... EDWARDSVILLE...BELLEVILLE...ST CHARLES...UNION...ST LOUIS 322 PM CDT SUN OCT 7 2012 ...FROST ADVISORY IN EFFECT FROM 3 AM TO 9 AM CDT MONDAY... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 3 AM TO 9 AM CDT MONDAY. * TIMING...WIDESPREAD FROST IS EXPECTED LATE TONIGHT THROUGH THE EARLY MORNING ON MONDAY. * TEMPERATURES...TEMPERATURES IN THE LOW TO MID 30S COMBINED WITH A LIGHT WIND AND A MOSTLY CLEAR SKY WILL PRODUCE EXCELLENT CONDITIONS FOR FROST. * IMPACTS...DAMAGE TO TENDER VEGETATION IS POSSIBLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY IS ISSUED WHEN FROST IS EXPECTED TO DEVELOP DURING THE GROWING SEASON. THOSE WITH AGRICULTURAL INTERESTS IN THE ADVISORY AREA SHOULD PROTECT TENDER VEGETATION. ALSO...POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT INSIDE AWAY FROM THE COLD. && $$ ILZ079-MOZ072>075-084-085-099-081000- /O.CON.KLSX.FR.Y.0004.121008T0800Z-121008T1400Z/ RANDOLPH IL-CRAWFORD MO-WASHINGTON MO-ST. FRANCOIS MO- STE. GENEVIEVE MO-IRON MO-MADISON MO-REYNOLDS MO- INCLUDING THE CITIES OF...CHESTER...FARMINGTON 322 PM CDT SUN OCT 7 2012 ...FROST ADVISORY REMAINS IN EFFECT FROM 3 AM TO 9 AM CDT MONDAY... * TIMING...WIDESPREAD FROST IS EXPECTED LATE TONIGHT THROUGH THE EARLY MORNING ON MONDAY. * TEMPERATURES...TEMPERATURES IN THE LOW TO MID 30S COMBINED WITH A LIGHT WIND AND A MOSTLY CLEAR SKY WILL PRODUCE EXCELLENT CONDITIONS FOR FROST. * IMPACTS...DAMAGE TO TENDER VEGETATION IS POSSIBLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY IS ISSUED WHEN FROST IS EXPECTED TO DEVELOP DURING THE GROWING SEASON. THOSE WITH AGRICULTURAL INTERESTS IN THE ADVISORY AREA SHOULD PROTECT TENDER VEGETATION. ALSO...POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT INSIDE AWAY FROM THE COLD. && $$ GKS
411 WWUS73 KLSX 080827 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 327 AM CDT MON OCT 8 2012 ILZ059-060-064-065-069-070-074-079-099>102-MOZ049-059>065-072>075- 084-085-099-081400- /O.CON.KLSX.FR.Y.0004.000000T0000Z-121008T1400Z/ MACOUPIN IL-MONTGOMERY IL-BOND IL-FAYETTE IL-CLINTON IL-MARION IL- WASHINGTON IL-RANDOLPH IL-JERSEY IL-MADISON IL-ST. CLAIR IL- MONROE IL-OSAGE MO-GASCONADE MO-WARREN MO-ST. CHARLES MO- FRANKLIN MO-ST. LOUIS MO-ST. LOUIS CITY MO-JEFFERSON MO- CRAWFORD MO-WASHINGTON MO-ST. FRANCOIS MO-STE. GENEVIEVE MO- IRON MO-MADISON MO-REYNOLDS MO- INCLUDING THE CITIES OF...LITCHFIELD...VANDALIA...SALEM... CHESTER...EDWARDSVILLE...BELLEVILLE...ST CHARLES...UNION... ST LOUIS...FARMINGTON 327 AM CDT MON OCT 8 2012 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM CDT THIS MORNING... * TIMING...WIDESPREAD FROST WILL DEVELOP EARLY THIS MORNING. * TEMPERATURES...TEMPERATURES IN THE LOW TO MID 30S COMBINED WITH A LIGHT WIND AND A MOSTLY CLEAR SKY WILL PRODUCE EXCELLENT CONDITIONS FOR FROST. * IMPACTS...DAMAGE TO TENDER VEGETATION IS POSSIBLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY IS ISSUED WHEN FROST IS EXPECTED TO DEVELOP DURING THE GROWING SEASON. THOSE WITH AGRICULTURAL INTERESTS IN THE ADVISORY AREA SHOULD PROTECT TENDER VEGETATION. ALSO...POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT INSIDE AWAY FROM THE COLD. && $$ CVKING
250 WWUS73 KLSX 081416 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 916 AM CDT MON OCT 8 2012 ILZ059-060-064-065-069-070-074-079-099>102-MOZ049-059>065-072>075- 084-085-099-081530- /O.EXP.KLSX.FR.Y.0004.000000T0000Z-121008T1400Z/ MACOUPIN IL-MONTGOMERY IL-BOND IL-FAYETTE IL-CLINTON IL-MARION IL- WASHINGTON IL-RANDOLPH IL-JERSEY IL-MADISON IL-ST. CLAIR IL- MONROE IL-OSAGE MO-GASCONADE MO-WARREN MO-ST. CHARLES MO- FRANKLIN MO-ST. LOUIS MO-ST. LOUIS CITY MO-JEFFERSON MO- CRAWFORD MO-WASHINGTON MO-ST. FRANCOIS MO-STE. GENEVIEVE MO- IRON MO-MADISON MO-REYNOLDS MO- INCLUDING THE CITIES OF...LITCHFIELD...VANDALIA...SALEM... CHESTER...EDWARDSVILLE...BELLEVILLE...ST CHARLES...UNION... ST LOUIS...FARMINGTON 916 AM CDT MON OCT 8 2012 ...FROST ADVISORY HAS EXPIRED... THE FROST ADVISORY HAS EXPIRED AS THE TEMPERATURES HAVE WARMED UP INTO THE UPPER 30S TO LOWER 40S MELTING THE FROST. $$ GKS
Nearby
Frost Advisories in Missouri, 2012Frost 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.