Alert archive / Missouri / Wind Advisories in 2014

Wind Advisory 1, NWS St. Louis, MO

January 16, 201411 counties in Missouri; Adams County, Brown County, Illinois

NWS St. Louis, MO issued this wind advisory at Jan 16, 2014, 6:40 PM CST for 11 counties in Missouri; Adams County, Brown County, Illinois. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Jan 16, 2014, 6:40 PM CST (00:40 UTC)
Expired
Jan 17, 2014, 12:00 AM CST
In force
5 hr
Issued by
NWS St. Louis, MO

Counties Adams County, IL, Brown County, IL, Audrain County, MO, Boone County, MO, Callaway County, MO, Cole County, MO, Knox County, MO, Lewis County, MO, Marion County, MO, Moniteau County, MO, Monroe County, MO, Ralls County, MO, Shelby County, MO

The radar

The St Louis radar (KLSX), 131 km from the middle of the area, began a volume at 00:45 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

Davenport, (KDVN), launched 00:00Z, 0.7 hours before the alert went out and 266 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-pSkew-T log-p diagram, Davenport, at 00:00Z on 2014-01-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Davenport, at 00:00Z on 2014-01-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1031 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
51 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

646 
WWUS73 KLSX 170040
NPWLSX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE ST LOUIS MO
640 PM CST THU JAN 16 2014

...INTENSE WINDS OVER PARTS OF NORTHEAST AND CENTRAL MISSOURI AND
WEST CENTRAL ILLINOIS THIS EVENING...

ILZ095-096-MOZ018-019-026-027-034-035-041-042-047-048-050-170600-
/O.NEW.KLSX.WI.Y.0001.140117T0040Z-140117T0600Z/
ADAMS IL-AUDRAIN MO-BOONE MO-BROWN IL-CALLAWAY MO-COLE MO-KNOX MO-
LEWIS MO-MARION MO-MONITEAU MO-MONROE MO-RALLS MO-SHELBY MO-
INCLUDING THE CITIES OF...COLUMBIA...HANNIBAL...JEFFERSON CITY...
MEXICO...QUINCY
640 PM CST THU JAN 16 2014

...WIND ADVISORY IN EFFECT UNTIL MIDNIGHT CST TONIGHT...

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL MIDNIGHT CST TONIGHT.

* TIMING...INTENSE NORTHWEST WINDS ARE EXPECTED FROM NOW THROUGH MIDNIGHT.

* WINDS...NORTHWEST WINDS GUSTING UP TO 45 MPH.

* IMPACTS...THESE INTENSE WINDS WILL BE COMBINING WITH AREAS OF
  SNOW TO PRODUCE A BRIEF PERIOD OF EXTREMELY LOW
  VISIBILITIES...AND IN SOME LOCATIONS THE VISIBILITY MAY ONLY BE
  ONE OR TWO BLOCKS FOR A VERY SHORT PERIOD OF TIME. IN
  ADDITION... WINDS OF THIS MAGNITUDE MAY CAUSE MINOR PROPERTY
  DAMAGE WITHOUT EXTRA PRECAUTIONS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS ARE FORECAST TO BE
30 TO 39 MPH OR GUSTS WILL RANGE BETWEEN 45 AND 57 MPH.
MOTORISTS IN HIGH PROFILE VEHICLES SHOULD USE CAUTION UNTIL THE
WINDS SUBSIDE. MAKE CERTAIN THAT LIGHTWEIGHT OUTDOOR
FURNITURE...GRILLS...AND TRASH CANS ARE PROPERLY SECURED.

&&

$$

TRUETT
1 follow-up statement
029 
WWUS73 KLSX 170555
NPWLSX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE ST LOUIS MO
1155 PM CST THU JAN 16 2014

ILZ095-096-MOZ018-019-026-027-034-035-041-042-047-048-050-170700-
/O.EXP.KLSX.WI.Y.0001.000000T0000Z-140117T0600Z/
ADAMS IL-AUDRAIN MO-BOONE MO-BROWN IL-CALLAWAY MO-COLE MO-KNOX MO-
LEWIS MO-MARION MO-MONITEAU MO-MONROE MO-RALLS MO-SHELBY MO-
INCLUDING THE CITIES OF...COLUMBIA...HANNIBAL...JEFFERSON CITY...
MEXICO...QUINCY
1155 PM CST THU JAN 16 2014

...WIND ADVISORY WILL EXPIRE AT MIDNIGHT CST TONIGHT...

THE STRONGEST WINDS HAVE DROPPED TO AROUND 20 MPH WITH GUSTS TO
AROUND 35 MPH. THEREFORE THE WIND ADVISORY WILL BE ALLOWED TO
EXPIRE AT MIDNIGHT.

$$

CARNEY

Nearby

Wind Advisories in Missouri, 2014Wind Advisories in Illinois, 2014Every wind advisory in 2014

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.