Alert archive / Missouri / Freeze Warnings in 2012
Freeze Warning 2, NWS St. Louis, MO
NWS St. Louis, MO issued this freeze warning at Apr 11, 2012, 3:20 AM CDT for 17 counties in Illinois; 23 counties in Missouri. It took effect at Apr 12, 2012, 3:00 AM CDT. It was in force for 5 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
- Apr 11, 2012, 3:20 AM CDT (08:20 UTC)
- In effect from
- Apr 12, 2012, 3:00 AM CDT
- Expired
- Apr 12, 2012, 7:50 AM CDT
- In force
- 5 hr
- Issued by
- NWS St. Louis, MO
All 40 counties
Adams County, IL, Bond County, IL, Brown County, IL, Calhoun County, IL, Clinton County, IL, Fayette County, IL, Greene County, IL, Jersey County, IL, Macoupin County, IL, Madison County, IL, Marion County, IL, Monroe County, IL, Montgomery County, IL, Pike County, IL, Randolph County, IL, Saint Clair County, IL, Washington County, IL, Audrain County, MO, Crawford County, MO, Franklin County, MO, Gasconade County, MO, Iron County, MO, Jefferson County, MO, Knox County, MO, Lewis County, MO, Lincoln County, MO, Madison County, MO, Marion County, MO, Monroe County, MO, Montgomery County, MO, Pike County, MO, Ralls County, MO, Reynolds County, MO, Saint Charles County, MO, Saint Francois County, MO, Saint Louis County, MO, Sainte Genevieve County, MO, Shelby County, MO, Warren County, MO, Washington County, MO
The radar
The St Louis radar (KLSX), 16 km from the middle of the area, began a volume at 08:25 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, 8.3 hours before the alert went out and 229 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
- 2968 m above ground
- 0-6 km bulk shear
- 82 kt
- 0-1 km storm-relative helicity
- 20 m²/s²
- 0-3 km storm-relative helicity
- 68 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
702 WWUS73 KLSX 110820 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 320 AM CDT WED APR 11 2012 ILZ058>060-064-065-069-070-074-079-098>102-MOZ042-051-052-059>063- 065-072>075-084-085-099-112145- /O.NEW.KLSX.FZ.W.0002.120412T0800Z-120412T1300Z/ /O.CON.KLSX.FZ.W.0001.000000T0000Z-120411T1300Z/ GREENE IL-MACOUPIN IL-MONTGOMERY IL-BOND IL-FAYETTE IL-CLINTON IL- MARION IL-WASHINGTON IL-RANDOLPH IL-CALHOUN IL-JERSEY IL- MADISON IL-ST. CLAIR IL-MONROE IL-AUDRAIN MO-MONTGOMERY MO- LINCOLN MO-GASCONADE MO-WARREN MO-ST. CHARLES MO-FRANKLIN MO- ST. LOUIS 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...MEXICO...ST CHARLES... UNION...FARMINGTON 320 AM CDT WED APR 11 2012 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING... ...FREEZE WARNING IN EFFECT FROM 3 AM TO 8 AM CDT THURSDAY... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A FREEZE WARNING...WHICH IS IN EFFECT FROM 3 AM TO 8 AM CDT THURSDAY. * TIMING...TEMPERATURES AROUND FREEZING ARE EXPECTED OVER MUCH OF THE AREA EARLY THIS MORNING...AND AGAIN LATE TONIGHT AND EARLY THURSDAY. * TEMPERATURES...LOW TEMPERATURES WILL BE IN THE LOWER 30S THIS MORNING AND AROUND 30 TONIGHT. * IMPACTS...THE RECORD WARM MARCH HAS CAUSED AN EARLY START TO THE GROWING SEASON THIS YEAR. SENSITIVE PLANTS...VEGETATION...AND TREES MAY BE DAMAGED OR KILLED BY THESE COLD TEMPERATURES. WIDESPREAD FROST IS EXPECTED ACROSS MUCH OF THE AREA TONIGHT. 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. && $$ ILZ095>097-MOZ018-019-026-027-034>036-112145- /O.NEW.KLSX.FZ.W.0002.120412T0800Z-120412T1300Z/ /O.CON.KLSX.FZ.W.0001.000000T0000Z-120411T1300Z/ ADAMS IL-BROWN IL-PIKE IL-KNOX MO-LEWIS MO-SHELBY MO-MARION MO- MONROE MO-RALLS MO-PIKE MO- INCLUDING THE CITIES OF...QUINCY...HANNIBAL...BOWLING GREEN 320 AM CDT WED APR 11 2012 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING... ...FREEZE WARNING IN EFFECT FROM 3 AM TO 8 AM CDT THURSDAY... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A FREEZE WARNING...WHICH IS IN EFFECT FROM 3 AM TO 8 AM CDT THURSDAY. * TIMING...FREEZING TEMPERATURES ARE EXPECTED OVER MUCH OF THE AREA THIS MORNING AND AGAIN LATE TONIGHT AND EARLY THURSDAY. * TEMPERATURES...LOW TEMPERATURES WILL BE AROUND 30 DEGREES BOTH THIS MORNING AND AGAIN TONIGHT. * IMPACTS...THE RECORD WARM MARCH HAS CAUSED AN EARLY START TO THE GROWING SEASON THIS YEAR. SENSITIVE PLANTS...VEGETATION...AND TREES MAY BE DAMAGED OR KILLED BY THESE COLD TEMPERATURES. WIDESPREAD FROST IS EXPECTED ACROSS MUCH OF THE AREA TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING IS ISSUED WHEN SUB-FREEZING TEMPERATURES ARE FORECAST TO THREATEN OUTDOOR PLANTS. THOSE WITH AGRICULTURAL INTERESTS IN THE WARNED AREA ARE ADVISED TO PROTECT TENDER VEGETATION. ALSO...POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT INSIDE AWAY FROM THE COLD. && $$ MOZ041-047>050-112145- /O.NEW.KLSX.FR.Y.0001.120412T0800Z-120412T1300Z/ /O.CON.KLSX.FZ.W.0001.000000T0000Z-120411T1300Z/ BOONE MO-MONITEAU MO-COLE MO-OSAGE MO-CALLAWAY MO- INCLUDING THE CITIES OF...COLUMBIA...JEFFERSON CITY 320 AM CDT WED APR 11 2012 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING... ...FROST ADVISORY IN EFFECT FROM 3 AM TO 8 AM CDT THURSDAY... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 3 AM TO 8 AM CDT THURSDAY. * TIMING...TEMPERATURES ARE EXPECTED TO FALL TO NEAR FREEZING EARLY THIS MORNING. FROST IS EXPECTED TO DEVELOP OVER THE AREA LATE TONIGHT AND EARLY THURSDAY. * TEMPERATURES...LOW TEMPERATURES WILL BE IN THE LOWER 30S EARLY THIS MORNING AND IN THE MIDDLE 30S TONIGHT. * IMPACTS...THE RECORD WARM MARCH HAS CAUSED AN EARLY START TO THE GROWING SEASON THIS YEAR. SENSITIVE PLANTS...VEGETATION...AND TREES MAY BE DAMAGED OR KILLED BY THESE COLD TEMPERATURES. 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. 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. && $$ BRITT
4 follow-up statements
932 WWUS73 KLSX 111252 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 752 AM CDT WED APR 11 2012 ILZ058>060-064-065-069-070-074-079-098>102-MOZ042-051-052-059>063- 065-072>075-084-085-099-112130- /O.EXP.KLSX.FZ.W.0001.000000T0000Z-120411T1300Z/ /O.CON.KLSX.FZ.W.0002.120412T0800Z-120412T1300Z/ GREENE IL-MACOUPIN IL-MONTGOMERY IL-BOND IL-FAYETTE IL-CLINTON IL- MARION IL-WASHINGTON IL-RANDOLPH IL-CALHOUN IL-JERSEY IL- MADISON IL-ST. CLAIR IL-MONROE IL-AUDRAIN MO-MONTGOMERY MO- LINCOLN MO-GASCONADE MO-WARREN MO-ST. CHARLES MO-FRANKLIN MO- ST. LOUIS MO-JEFFERSON MO-CRAWFORD MO-WASHINGTON MO- ST. FRANCOIS MO-STE. GENEVIEVE MO-IRON MO-MADISON MO-REYNOLDS MO- INCLUDING THE CITIES OF...LITCHFIELD...VANDALIA...SALEM... CHESTER...EDWARDSVILLE...BELLEVILLE...MEXICO...ST CHARLES... UNION...FARMINGTON 752 AM CDT WED APR 11 2012 ...FREEZE WARNING REMAINS IN EFFECT FROM 3 AM TO 8 AM CDT THURSDAY... ...FREEZE WARNING WILL EXPIRE AT 8 AM CDT THIS MORNING... * TIMING...FREEZING TEMPERATURES ARE EXPECTED AGAIN LATE TONIGHT AND EARLY THURSDAY MORNING. * TEMPERATURES...LOW TEMPERATURES ARE EXPECTED TO BE AROUND 30 TONIGHT. * IMPACTS...THE RECORD WARM MARCH HAS CAUSED AN EARLY START TO THE GROWING SEASON THIS YEAR. SENSITIVE PLANTS...VEGETATION... AND TREES MAY BE DAMAGED OR KILLED BY THESE COLD TEMPERATURES. WIDESPREAD FROST IS EXPECTED ACROSS MUCH OF THE AREA TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING IS ISSUED WHEN SUB-FREEZING TEMPERATURES ARE FORECAST TO THREATEN OUTDOOR PLANTS. THOSE WITH AGRICULTURAL INTERESTS IN THE WARNED AREA ARE ADVISED TO PROTECT TENDER VEGETATION. ALSO...POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT INSIDE AWAY FROM THE COLD. && $$ ILZ095>097-MOZ018-019-026-027-034>036-112130- /O.EXP.KLSX.FZ.W.0001.000000T0000Z-120411T1300Z/ /O.CON.KLSX.FZ.W.0002.120412T0800Z-120412T1300Z/ ADAMS IL-BROWN IL-PIKE IL-KNOX MO-LEWIS MO-SHELBY MO-MARION MO- MONROE MO-RALLS MO-PIKE MO- INCLUDING THE CITIES OF...QUINCY...HANNIBAL...BOWLING GREEN 752 AM CDT WED APR 11 2012 ...FREEZE WARNING REMAINS IN EFFECT FROM 3 AM TO 8 AM CDT THURSDAY... ...FREEZE WARNING WILL EXPIRE AT 8 AM CDT THIS MORNING... * TIMING...FREEZING TEMPERATURES ARE EXPECTED AGAIN LATE TONIGHT AND EARLY THURSDAY MORNING. * TEMPERATURES...LOW TEMPERATURES WILL BE AROUND 30 DEGREES TONIGHT. * IMPACTS...THE RECORD WARM MARCH HAS CAUSED AN EARLY START TO THE GROWING SEASON THIS YEAR. SENSITIVE PLANTS...VEGETATION... AND TREES MAY BE DAMAGED OR KILLED BY THESE COLD TEMPERATURES. WIDESPREAD FROST IS EXPECTED ACROSS MUCH OF THE AREA TONIGHT. 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. && $$ MOZ041-047>050-112130- /O.EXP.KLSX.FZ.W.0001.000000T0000Z-120411T1300Z/ /O.CON.KLSX.FR.Y.0001.120412T0800Z-120412T1300Z/ BOONE MO-MONITEAU MO-COLE MO-OSAGE MO-CALLAWAY MO- INCLUDING THE CITIES OF...COLUMBIA...JEFFERSON CITY 752 AM CDT WED APR 11 2012 ...FROST ADVISORY REMAINS IN EFFECT FROM 3 AM TO 8 AM CDT THURSDAY... ...FREEZE WARNING WILL EXPIRE AT 8 AM CDT THIS MORNING... * TIMING...FROST IS EXPECTED TO DEVELOP OVER THE AREA LATE TONIGHT AND EARLY THURSDAY. * TEMPERATURES...LOW TEMPERATURES WILL BE IN THE MIDDLE 30S TONIGHT. * IMPACTS...THE RECORD WARM MARCH HAS CAUSED AN EARLY START TO THE GROWING SEASON THIS YEAR. SENSITIVE PLANTS...VEGETATION...AND TREES MAY BE DAMAGED BY FROST. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY IS ISSUED WHEN FROST IS EXPECTED TO DEVELOP DURING THE GROWING SEASON. THOSE WITH AGRICULTURAL INTERESTS IN THE ADVISORY AREA SHOULD PROTECT TENDER VEGETATION. ALSO...POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT INSIDE AWAY FROM THE COLD. && $$ BRITT
385 WWUS73 KLSX 112055 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 355 PM CDT WED APR 11 2012 ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027- 034>036-042-051-052-059>063-065-072>075-084-085-099-121000- /O.CON.KLSX.FZ.W.0002.120412T0800Z-120412T1300Z/ GREENE IL-MACOUPIN IL-MONTGOMERY IL-BOND IL-FAYETTE IL-CLINTON IL- MARION IL-WASHINGTON IL-RANDOLPH IL-ADAMS IL-BROWN IL-PIKE IL- CALHOUN IL-JERSEY IL-MADISON IL-ST. CLAIR IL-MONROE IL-KNOX MO- LEWIS MO-SHELBY MO-MARION MO-MONROE MO-RALLS MO-PIKE MO- AUDRAIN MO-MONTGOMERY MO-LINCOLN MO-GASCONADE MO-WARREN MO- ST. CHARLES MO-FRANKLIN MO-ST. LOUIS 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...QUINCY...EDWARDSVILLE...BELLEVILLE...HANNIBAL... BOWLING GREEN...MEXICO...ST CHARLES...UNION...FARMINGTON 355 PM CDT WED APR 11 2012 ...FREEZE WARNING REMAINS IN EFFECT FROM 3 AM TO 8 AM CDT THURSDAY... * TIMING...FREEZING TEMPERATURES ARE EXPECTED AGAIN LATE TONIGHT AND EARLY THURSDAY MORNING. * TEMPERATURES...LOW TEMPERATURES ARE EXPECTED TO BE AROUND 30 DEGREES...WITH THE COLDEST TEMPERATURES IN PARTS OF SOUTHWEST ILLINOIS AND IN THE EASTERN OZARKS OF SOUTHEAST MISSOURI. * IMPACTS...THE RECORD WARM MARCH HAS CAUSED AN EARLY START TO THE GROWING SEASON THIS YEAR. SENSITIVE PLANTS...VEGETATION... AND TREES MAY BE DAMAGED OR KILLED BY THESE COLD TEMPERATURES. WIDESPREAD FROST IS EXPECTED ACROSS MUCH OF THE AREA TONIGHT. 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. && $$ MOZ041-047>050-121000- /O.CON.KLSX.FR.Y.0001.120412T0800Z-120412T1300Z/ BOONE MO-MONITEAU MO-COLE MO-OSAGE MO-CALLAWAY MO- INCLUDING THE CITIES OF...COLUMBIA...JEFFERSON CITY 355 PM CDT WED APR 11 2012 ...FROST ADVISORY REMAINS IN EFFECT FROM 3 AM TO 8 AM CDT THURSDAY... * TIMING...FROST IS EXPECTED TO DEVELOP OVER THE AREA LATE TONIGHT AND EARLY THURSDAY. * TEMPERATURES...LOW TEMPERATURES WILL BE IN THE MID 30S TONIGHT. * IMPACTS...THE RECORD WARM MARCH HAS CAUSED AN EARLY START TO THE GROWING SEASON THIS YEAR. SENSITIVE PLANTS...VEGETATION... AND TREES MAY BE DAMAGED BY FROST. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY IS ISSUED WHEN FROST IS EXPECTED TO DEVELOP DURING THE GROWING SEASON. THOSE WITH AGRICULTURAL INTERESTS IN THE ADVISORY AREA SHOULD PROTECT TENDER VEGETATION. ALSO...POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT INSIDE AWAY FROM THE COLD. && $$ TES
944 WWUS73 KLSX 120834 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 334 AM CDT THU APR 12 2012 ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027- 034>036-042-051-052-059>063-065-072>075-084-085-099-121300- /O.CON.KLSX.FZ.W.0002.000000T0000Z-120412T1300Z/ GREENE IL-MACOUPIN IL-MONTGOMERY IL-BOND IL-FAYETTE IL-CLINTON IL- MARION IL-WASHINGTON IL-RANDOLPH IL-ADAMS IL-BROWN IL-PIKE IL- CALHOUN IL-JERSEY IL-MADISON IL-ST. CLAIR IL-MONROE IL-KNOX MO- LEWIS MO-SHELBY MO-MARION MO-MONROE MO-RALLS MO-PIKE MO- AUDRAIN MO-MONTGOMERY MO-LINCOLN MO-GASCONADE MO-WARREN MO- ST. CHARLES MO-FRANKLIN MO-ST. LOUIS 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...QUINCY...EDWARDSVILLE...BELLEVILLE...HANNIBAL... BOWLING GREEN...MEXICO...ST CHARLES...UNION...FARMINGTON 334 AM CDT THU APR 12 2012 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING... * TIMING...TEMPERATURES WILL BE NEAR FREEZING EARLY THIS MORNING. * TEMPERATURES...TEMPERATURES ARE EXPECTED TO FALL INTO THE LOWER 30S AROUND SUNRISE...WITH THE COLDEST TEMPERATURES OVER PARTS OF SOUTHWEST ILLINOIS AND IN THE EASTERN OZARKS OF SOUTHEAST MISSOURI. * IMPACTS...THE RECORD WARM MARCH HAS CAUSED AN EARLY START TO THE GROWING SEASON THIS YEAR. SENSITIVE PLANTS...VEGETATION...AND TREES MAY BE DAMAGED OR KILLED BY THESE COLD TEMPERATURES. WIDESPREAD FROST WILL BE FOUND ACROSS THE AREA THIS MORNING. 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. && $$ MOZ041-047>050-121300- /O.CON.KLSX.FR.Y.0001.000000T0000Z-120412T1300Z/ BOONE MO-MONITEAU MO-COLE MO-OSAGE MO-CALLAWAY MO- INCLUDING THE CITIES OF...COLUMBIA...JEFFERSON CITY 334 AM CDT THU APR 12 2012 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING... * TIMING...AREAS OF FROST ARE EXPECTED THIS MORNING. * TEMPERATURES...TEMPERATURES WILL BE IN THE MIDDLE 30S THROUGH SUNRISE. * IMPACTS...THE RECORD WARM MARCH HAS CAUSED AN EARLY START TO THE GROWING SEASON THIS YEAR. SENSITIVE PLANTS...VEGETATION... AND TREES MAY BE DAMAGED BY FROST. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY IS ISSUED WHEN FROST IS EXPECTED TO DEVELOP DURING THE GROWING SEASON. THOSE WITH AGRICULTURAL INTERESTS IN THE ADVISORY AREA SHOULD PROTECT TENDER VEGETATION. ALSO...POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT INSIDE AWAY FROM THE COLD. && $$ BRITT
018 WWUS73 KLSX 121250 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 750 AM CDT THU APR 12 2012 ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027- 034>036-042-051-052-059>063-065-072>075-084-085-099-121400- /O.CAN.KLSX.FZ.W.0002.000000T0000Z-120412T1300Z/ GREENE IL-MACOUPIN IL-MONTGOMERY IL-BOND IL-FAYETTE IL-CLINTON IL- MARION IL-WASHINGTON IL-RANDOLPH IL-ADAMS IL-BROWN IL-PIKE IL- CALHOUN IL-JERSEY IL-MADISON IL-ST. CLAIR IL-MONROE IL-KNOX MO- LEWIS MO-SHELBY MO-MARION MO-MONROE MO-RALLS MO-PIKE MO- AUDRAIN MO-MONTGOMERY MO-LINCOLN MO-GASCONADE MO-WARREN MO- ST. CHARLES MO-FRANKLIN MO-ST. LOUIS 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...QUINCY...EDWARDSVILLE...BELLEVILLE...HANNIBAL... BOWLING GREEN...MEXICO...ST CHARLES...UNION...FARMINGTON 750 AM CDT THU APR 12 2012 ...FREEZE WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS CANCELLED THE FREEZE WARNING. TEMPERATURES HAVE BEGUN TO WARM UP ABOVE FREEZING...SO THE WARNING HAS BEEN CANCELLED. $$ MOZ041-047>050-121400- /O.CAN.KLSX.FR.Y.0001.000000T0000Z-120412T1300Z/ BOONE MO-MONITEAU MO-COLE MO-OSAGE MO-CALLAWAY MO- INCLUDING THE CITIES OF...COLUMBIA...JEFFERSON CITY 750 AM CDT THU APR 12 2012 ...FROST ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS CANCELLED THE FROST ADVISORY. TEMPERATURES HAVE BEGUN TO WARM UP...SO THE ADVISORY HAS BEEN CANCELLED. $$ BRITT
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 11, 3:20 AM CDT | Frost Advisory | LSX | Boone, Callaway, Cole, Moniteau, Osage | 29 hr |
Nearby
Freeze Warnings in Missouri, 2012Freeze Warnings in Illinois, 2012Every freeze warning 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.