Alert archive / Illinois / Freeze Warnings in 2012
Freeze Warning 7, NWS St. Louis, MO
NWS St. Louis, MO issued this freeze warning at Oct 28, 2012, 2:39 PM CDT for 16 counties in Illinois; 8 counties in Missouri. It took effect at Oct 29, 2012, 2:00 AM CDT. It was in force for 6 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
- Oct 28, 2012, 2:39 PM CDT (19:39 UTC)
- In effect from
- Oct 29, 2012, 2:00 AM CDT
- Expired
- Oct 29, 2012, 8:00 AM CDT
- In force
- 6 hr
- Issued by
- NWS St. Louis, MO
All 24 counties
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, City of Saint Louis, MO, Jefferson County, MO, Lincoln County, MO, Madison County, MO, Saint Charles County, MO, Saint Francois County, MO, Saint Louis County, MO, Sainte Genevieve County, MO
The radar
The St Louis radar (KLSX), 51 km from the middle of the area, began a volume at 19:43 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, 7.7 hours before the alert went out and 204 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
- 861 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 22 m²/s²
- 0-3 km storm-relative helicity
- 74 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
607 WWUS73 KLSX 281939 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 239 PM CDT SUN OCT 28 2012 ILZ058>060-064-065-069-070-074-079-096>102-MOZ052-061-063>065-074- 075-085-291300- /O.NEW.KLSX.FZ.W.0007.121029T0700Z-121029T1300Z/ GREENE IL-MACOUPIN IL-MONTGOMERY IL-BOND IL-FAYETTE IL-CLINTON IL- MARION IL-WASHINGTON IL-RANDOLPH IL-BROWN IL-PIKE IL-CALHOUN IL- JERSEY IL-MADISON IL-ST. CLAIR IL-MONROE IL-LINCOLN MO- ST. CHARLES MO-ST. LOUIS MO-ST. LOUIS CITY MO-JEFFERSON MO- ST. FRANCOIS MO-STE. GENEVIEVE MO-MADISON MO- INCLUDING THE CITIES OF...LITCHFIELD...VANDALIA...SALEM... CHESTER...EDWARDSVILLE...BELLEVILLE...ST CHARLES...ST LOUIS... FARMINGTON 239 PM CDT SUN OCT 28 2012 ...FREEZE WARNING IN EFFECT FROM 2 AM TO 8 AM CDT MONDAY... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A FREEZE WARNING...WHICH IS IN EFFECT FROM 2 AM TO 8 AM CDT MONDAY. * TIMING...SUBFREEZING TEMPERATURES ARE EXPECTED EARLY THIS MORNING. * TEMPERATURES...OVERNIGHT LOWS WILL BE IN THE UPPER 20S TO AROUND 30 DEGREES. * IMPACTS...SUBFREEZING TEMPERATURES MAY CAUSE DAMAGE TO CROPS AND ANY REMAINING 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. && $$ KANOFSKY
2 follow-up statements
515 WWUS73 KLSX 290840 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 340 AM CDT MON OCT 29 2012 ILZ058>060-064-065-069-070-074-079-096>102-MOZ052-061-063>065-074- 075-085-291300- /O.CON.KLSX.FZ.W.0007.000000T0000Z-121029T1300Z/ GREENE IL-MACOUPIN IL-MONTGOMERY IL-BOND IL-FAYETTE IL-CLINTON IL- MARION IL-WASHINGTON IL-RANDOLPH IL-BROWN IL-PIKE IL-CALHOUN IL- JERSEY IL-MADISON IL-ST. CLAIR IL-MONROE IL-LINCOLN MO- ST. CHARLES MO-ST. LOUIS MO-ST. LOUIS CITY MO-JEFFERSON MO- ST. FRANCOIS MO-STE. GENEVIEVE MO-MADISON MO- INCLUDING THE CITIES OF...LITCHFIELD...VANDALIA...SALEM... CHESTER...EDWARDSVILLE...BELLEVILLE...ST CHARLES...ST LOUIS... FARMINGTON 340 AM CDT MON OCT 29 2012 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING... * TIMING...SUBFREEZING TEMPERATURES ARE EXPECTED EARLY THIS MORNING. * TEMPERATURES...LOWS WILL BE AT...OR SLIGHTLY BELOW...THE FREEZING MARK. * IMPACTS...SUBFREEZING TEMPERATURES MAY CAUSE DAMAGE TO CROPS AND ANY REMAINING TENDER VEGETATION. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING IS ISSUED WHEN SUB-FREEZING TEMPERATURES ARE FORECAST TO THREATEN OUTDOOR PLANTS. THOSE WITH AGRICULTURAL INTERESTS IN THE WARNED AREA ARE ADVISED TO PROTECT TENDER VEGETATION. ALSO...POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT INSIDE AWAY FROM THE COLD. && $$ BYRD
128 WWUS73 KLSX 291241 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 741 AM CDT MON OCT 29 2012 ILZ058>060-064-065-069-070-074-079-096>102-MOZ052-061-063>065-074- 075-085-291345- /O.EXP.KLSX.FZ.W.0007.000000T0000Z-121029T1300Z/ GREENE IL-MACOUPIN IL-MONTGOMERY IL-BOND IL-FAYETTE IL-CLINTON IL- MARION IL-WASHINGTON IL-RANDOLPH IL-BROWN IL-PIKE IL-CALHOUN IL- JERSEY IL-MADISON IL-ST. CLAIR IL-MONROE IL-LINCOLN MO- ST. CHARLES MO-ST. LOUIS MO-ST. LOUIS CITY MO-JEFFERSON MO- ST. FRANCOIS MO-STE. GENEVIEVE MO-MADISON MO- INCLUDING THE CITIES OF...LITCHFIELD...VANDALIA...SALEM... CHESTER...EDWARDSVILLE...BELLEVILLE...ST CHARLES...ST LOUIS... FARMINGTON 741 AM CDT MON OCT 29 2012 ...FREEZE WARNING WILL EXPIRE AT 8 AM CDT THIS MORNING... EARLY MORNING SUNSHINE WILL BE WARMING TEMPERATURES ABOVE THE FREEZING MARK OVER THE NEXT HOUR. $$ BYRD
Nearby
Freeze Warnings in Illinois, 2012Freeze Warnings in Missouri, 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.