Alert archive / Missouri / Frost Advisories in 2016
Frost Advisory 3, NWS St. Louis, MO
NWS St. Louis, MO issued this frost advisory at Nov 9, 2016, 3:27 AM CST for 12 counties in Missouri; 6 counties in Illinois. It took effect at Nov 10, 2016, 2:00 AM CST. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Nov 9, 2016, 3:27 AM CST (09:27 UTC)
- In effect from
- Nov 10, 2016, 2:00 AM CST
- Expired
- Nov 10, 2016, 9:00 AM CST
- In force
- 7 hr
- Issued by
- NWS St. Louis, MO
Counties Clinton County, IL, Marion County, IL, Monroe County, IL, Randolph County, IL, Saint Clair County, IL, Washington County, IL, Cole County, 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 Francois County, MO, Sainte Genevieve County, MO, Washington County, MO
The radar
The St Louis radar (KLSX), 64 km from the middle of the area, began a volume at 09:25 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, 9.5 hours before the alert went out and 280 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
- 1418 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 64 m²/s²
- 0-3 km storm-relative helicity
- 57 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
699 WWUS73 KLSX 090927 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SAINT LOUIS MO 327 AM CST WED NOV 9 2016 ...FROST LIKELY TONIGHT... .CLEAR SKIES AND LIGHT WINDS WILL ALLOW TEMPERATURES TO DIP INTO THE LOW 30S TONIGHT...RESULTING IN FROST DEVELOPMENT. ILZ069-070-074-079-101-102-MOZ048-049-059-062-065-072>075-084-085- 099-092130- /O.NEW.KLSX.FR.Y.0003.161110T0800Z-161110T1500Z/ CLINTON IL-COLE MO-CRAWFORD MO-FRANKLIN MO-GASCONADE MO-IRON MO- JEFFERSON MO-MADISON MO-MARION IL-MONROE IL-OSAGE MO-RANDOLPH IL- REYNOLDS MO-SAINT CLAIR IL-SAINT FRANCOIS MO-SAINTE GENEVIEVE MO- WASHINGTON IL-WASHINGTON MO- INCLUDING THE CITIES OF...BELLEVILLE...CAHOKIA...CENTRALIA... CHESTER...FARMINGTON...JEFFERSON CITY...SALEM...SPARTA... SULLIVAN...UNION...WASHINGTON 327 AM CST WED NOV 9 2016 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 9 AM CST THURSDAY... THE NATIONAL WEATHER SERVICE IN SAINT LOUIS HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 2 AM TO 9 AM CST THURSDAY. * TIMING...EARLY THURSDAY MORNING. * TEMPERATURES...IN THE LOW TO MID 30S. * IMPACTS...SENSITIVE PLANTS AND TREES MAY BE DAMAGED OR KILLED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT WIDESPREAD FROST IS EXPECTED. 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. && $$ KD
4 follow-up statements
437 WWUS73 KLSX 092124 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SAINT LOUIS MO 324 PM CST WED NOV 9 2016 ...FROST LIKELY TONIGHT... .CLEAR SKIES AND LIGHT WINDS WILL ALLOW TEMPERATURES TO DIP INTO THE LOW 30S TONIGHT...RESULTING IN FROST DEVELOPMENT. ILZ069-070-074-079-101-102-MOZ048-049-059-062-065-072>075-084-085- 099-101500- /O.CON.KLSX.FR.Y.0003.161110T0800Z-161110T1500Z/ CLINTON IL-COLE MO-CRAWFORD MO-FRANKLIN MO-GASCONADE MO-IRON MO- JEFFERSON MO-MADISON MO-MARION IL-MONROE IL-OSAGE MO-RANDOLPH IL- REYNOLDS MO-SAINT CLAIR IL-SAINT FRANCOIS MO-SAINTE GENEVIEVE MO- WASHINGTON IL-WASHINGTON MO- INCLUDING THE CITIES OF...BELLEVILLE...CAHOKIA...CENTRALIA... CHESTER...FARMINGTON...JEFFERSON CITY...SALEM...SPARTA... SULLIVAN...UNION...WASHINGTON 324 PM CST WED NOV 9 2016 ...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 9 AM CST THURSDAY... * TIMING...EARLY THURSDAY MORNING. * TEMPERATURES...IN THE UPPER 30S. * IMPACTS...SENSITIVE PLANTS AND TREES MAY BE DAMAGED OR KILLED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT WIDESPREAD FROST IS EXPECTED. THOSE WITH AGRICULTURAL INTERESTS IN THE ADVISORY AREA SHOULD PROTECT TENDER VEGETATION. ALSO...POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT INSIDE AWAY FROM THE COLD. && $$ CARNEY
850 WWUS73 KLSX 092129 CCA NPWLSX URGENT - WEATHER MESSAGE...CORRECTED NATIONAL WEATHER SERVICE SAINT LOUIS MO 329 PM CST WED NOV 9 2016 ...FROST LIKELY TONIGHT... .CLEAR SKIES AND LIGHT WINDS WILL ALLOW TEMPERATURES TO DIP INTO THE LOW TO MID 30S TONIGHT...RESULTING IN FROST DEVELOPMENT. ILZ069-070-074-079-101-102-MOZ048-049-059-062-065-072>075-084-085- 099-100930- /O.COR.KLSX.FR.Y.0003.161110T0800Z-161110T1500Z/ CLINTON IL-COLE MO-CRAWFORD MO-FRANKLIN MO-GASCONADE MO-IRON MO- JEFFERSON MO-MADISON MO-MARION IL-MONROE IL-OSAGE MO-RANDOLPH IL- REYNOLDS MO-SAINT CLAIR IL-SAINT FRANCOIS MO-SAINTE GENEVIEVE MO- WASHINGTON IL-WASHINGTON MO- INCLUDING THE CITIES OF...BELLEVILLE...CAHOKIA...CENTRALIA... CHESTER...FARMINGTON...JEFFERSON CITY...SALEM...SPARTA... SULLIVAN...UNION...WASHINGTON 329 PM CST WED NOV 9 2016 ...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 9 AM CST THURSDAY... * TIMING...EARLY THURSDAY MORNING. * TEMPERATURES...IN THE LOW TO MID 30S. * IMPACTS...SENSITIVE PLANTS AND TREES MAY BE DAMAGED OR KILLED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT WIDESPREAD FROST IS EXPECTED. 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. && $$ CARNEY
189 WWUS73 KLSX 100920 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SAINT LOUIS MO 320 AM CST THU NOV 10 2016 ...FROST LIKELY THIS MORNING... .CLEAR SKIES AND LIGHT WINDS WILL ALLOW TEMPERATURES TO DIP INTO THE LOW TO MID 30S THIS MORNING...RESULTING IN FROST DEVELOPMENT. ILZ069-070-074-079-101-102-MOZ048-049-059-062-065-072>075-084-085- 099-101500- /O.CON.KLSX.FR.Y.0003.000000T0000Z-161110T1500Z/ CLINTON IL-COLE MO-CRAWFORD MO-FRANKLIN MO-GASCONADE MO-IRON MO- JEFFERSON MO-MADISON MO-MARION IL-MONROE IL-OSAGE MO-RANDOLPH IL- REYNOLDS MO-SAINT CLAIR IL-SAINT FRANCOIS MO-SAINTE GENEVIEVE MO- WASHINGTON IL-WASHINGTON MO- INCLUDING THE CITIES OF...BELLEVILLE...CAHOKIA...CENTRALIA... CHESTER...FARMINGTON...JEFFERSON CITY...SALEM...SPARTA... SULLIVAN...UNION...WASHINGTON 320 AM CST THU NOV 10 2016 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST THIS MORNING... * TIMING...EARLY THIS MORNING. * TEMPERATURES...IN THE UPPER 30S. * IMPACTS...SENSITIVE PLANTS AND TREES MAY BE DAMAGED OR KILLED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT WIDESPREAD FROST IS EXPECTED. THOSE WITH AGRICULTURAL INTERESTS IN THE ADVISORY AREA SHOULD PROTECT TENDER VEGETATION. ALSO...POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT INSIDE AWAY FROM THE COLD. && $$ KD
397 WWUS73 KLSX 101451 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SAINT LOUIS MO 851 AM CST THU NOV 10 2016 ILZ069-070-074-079-101-102-MOZ048-049-059-062-065-072>075-084-085- 099-101600- /O.EXP.KLSX.FR.Y.0003.000000T0000Z-161110T1500Z/ CLINTON IL-COLE MO-CRAWFORD MO-FRANKLIN MO-GASCONADE MO-IRON MO- JEFFERSON MO-MADISON MO-MARION IL-MONROE IL-OSAGE MO-RANDOLPH IL- REYNOLDS MO-SAINT CLAIR IL-SAINT FRANCOIS MO-SAINTE GENEVIEVE MO- WASHINGTON IL-WASHINGTON MO- INCLUDING THE CITIES OF...BELLEVILLE...CAHOKIA...CENTRALIA... CHESTER...FARMINGTON...JEFFERSON CITY...SALEM...SPARTA... SULLIVAN...UNION...WASHINGTON 851 AM CST THU NOV 10 2016 ...FROST ADVISORY WILL EXPIRE AT 9 AM CST THIS MORNING... TEMPERATURES HAVE RISEN INTO THE 40S ACROSS MUCH OF THE AREA AND THE FROST ADVISORY WILL BE ALLOWED TO EXPIRE. $$ TES
Nearby
Frost Advisories in Missouri, 2016Frost Advisories in Illinois, 2016Every frost advisory in 2016
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.