Alert archive / Missouri / Freezing Rain Advisories in 2013

Freezing Rain Advisory 3, NWS St. Louis, MO

December 21, 2013Franklin County, Saint Charles County, Missouri

NWS St. Louis, MO issued this freezing rain advisory at Dec 21, 2013, 10:12 AM CST for Franklin County, Saint Charles County, Missouri. It was in force for 108 min.

The area

The counties it named.

The facts

Issued: Dec 21, 2013, 10:12 AM CST (16:12 UTC)
Expired: Dec 21, 2013, 12:00 PM CST
In force: 108 min
Issued by: NWS St. Louis, MO

Counties Franklin County, MO, Saint Charles County, MO

The radar

The St Louis radar (KLSX), 20 km from the middle of the area, began a volume at 16:12 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, 4.2 hours before the alert went out and 261 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 4 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 420 m above ground
0-6 km bulk shear: 69 kt
0-1 km storm-relative helicity: 34 m²/s²
0-3 km storm-relative helicity: 59 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this freezing rain advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS St. Louis, MO wrote its last area forecast discussion before this freezing rain advisory went out at Dec 21, 9:50 AM CST, 22 minutes earlier.

Area forecast discussion, Dec 21, 9:50 AM CST, 22 minutes before

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Hazardous weather outlook, Dec 21, 5:06 AM CST, 5 hours 6 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ST LOUIS MO
506 AM CST SAT DEC 21 2013

ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027-
034>036-041-042-047>052-059>065-072>075-084-085-099-221215-
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-BOONE MO-
AUDRAIN MO-MONITEAU MO-COLE MO-OSAGE MO-CALLAWAY MO-MONTGOMERY MO-
LINCOLN 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-
506 AM CST SAT DEC 21 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EASTERN AND
CENTRAL MISSOURI AS WELL AS WEST CENTRAL AND SOUTHWEST ILLINOIS.

.DAY ONE...TODAY AND TONIGHT

FREEZING RAIN WILL BLANKET CENTRAL AND NORTHEAST MISSOURI AND
WEST CENTRAL ILLINOIS TODAY. THE FREEZING RAIN WILL EVENTUALLY
CHANGEOVER TO SNOW LATE TONIGHT. ICE ACCUMULATIONS OF A QUARTER TO
A HALF INCH...AND SNOW ACCUMULATIONS OF 1 TO 3 INCHES...ARE
POSSIBLE ACROSS PORTIONS OF CENTRAL AND NORTHEAST MISSOURI AND
WEST CENTRAL ILLINOIS. A WINTER STORM WARNING HAS BEEN ISSUED FOR
THESE AREAS.

MEANWHILE...HEAVY RAIN IS LIKELY ACROSS SOUTHEAST MISSOURI AND
SOUTHERN ILLINOIS THROUGH THIS EVENING...WITH RAINFALL OF 2 TO 4
INCHES EXPECTED. A FLOOD WATCH IS IN EFFECT FOR THESE AREAS
THROUGH THIS EVENING. PLEASE REFER TO THE FLOOD WATCH PRODUCT FOR
MORE DETAILS.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE REQUESTED TO REPORT ANY ICE OR SNOW ACCUMULATIONS
THAT THEY OBSERVE AND ALSO RAINFALL AMOUNTS GREATER THAN 2 INCHES.

GLASS

In the hours before

Local storm report, Dec 21, 6:09 AM CST, 4 hours 3 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
609 AM CST SAT DEC 21 2013

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0556 AM     FREEZING RAIN    MEXICO                  39.17N  91.87W
12/21/2013  M0.10 INCH       AUDRAIN            MO   TRAINED SPOTTER

            PATCHY ICE ON BRIDGES AND OVERPASSES. MOST ICE
            ACCUMULATION IS ON ELEVATED SURFACES SUCH AS TREES AND
            POWR LINES.

&&

FGLASS

Local storm report, Dec 21, 6:11 AM CST, 4 hours 1 minute before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
611 AM CST SAT DEC 21 2013

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0600 AM     FREEZING RAIN    4 NNE ASHLAND           38.83N  92.22W
12/21/2013  M0.09 INCH       BOONE              MO   ASOS

            ALMOST A TENTH OF AN INCH OF ICE ACCUMULATION AT
            COLUMBIA REGIONAL AIRPORT.

&&

BYRD

Local storm report, Dec 21, 7:10 AM CST, 3 hours 2 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
710 AM CST SAT DEC 21 2013

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0700 AM     FREEZING DRIZZLE QUINCY                  39.93N  91.39W
12/21/2013                   ADAMS              IL   BROADCAST MEDIA

            LIGHT GLAZE ON ELEVATED SURFACES...ROADS ARE GENERALLY
            WET.

&&

BYRD

Local storm report, Dec 21, 7:11 AM CST, 3 hours 1 minute before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
711 AM CST SAT DEC 21 2013

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0645 AM     FREEZING RAIN    NEW HAVEN               38.61N  91.22W
12/21/2013  M0.00 INCH       FRANKLIN           MO   BROADCAST MEDIA

            LIGHT GLAZE ON MAILBOX...DRIVEWAY JUST WET.

&&

BYRD

Local storm report, Dec 21, 7:42 AM CST, 2 hours 30 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
742 AM CST SAT DEC 21 2013

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0700 AM     FREEZING RAIN    OWENSVILLE              38.35N  91.50W
12/21/2013  E0.10 INCH       GASCONADE          MO   BROADCAST MEDIA

            TREES AND CARS COVERED WITH ICE...ROADS JUST WET.

&&

BYRD

The office that day

Everything else NWS St. Louis, MO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Dec 21, 9:31 AM CST	River Flood Warning	LSX	Reynolds	56 hr
Dec 21, 1:08 PM CST	Areal Flood Warning	LSX	Iron, Madison, Reynolds, Sainte Genevieve, Saint Francois	22 hr

Nearby

Freezing Rain Advisories in Missouri, 2013 Every freezing rain advisory in 2013

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.