Alert archive / Missouri / Wind Advisories in 2017

Wind Advisory 2, NWS St. Louis, MO

February 28, 201717 counties in Missouri; Adams County, Brown County, Pike County, Illinois

NWS St. Louis, MO issued this wind advisory at Feb 28, 2017, 12:50 PM CST for 17 counties in Missouri; Adams County, Brown County, Pike County, Illinois. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Feb 28, 2017, 12:50 PM CST (18:50 UTC)
Expired
Feb 28, 2017, 6:00 PM CST
In force
5 hr
Issued by
NWS St. Louis, MO

Counties Adams County, IL, Brown County, IL, Pike County, IL, Audrain County, MO, Boone County, MO, Callaway County, MO, Cole County, MO, Gasconade County, MO, Knox County, MO, Lewis County, MO, Lincoln County, MO, Marion County, MO, Moniteau County, MO, Monroe County, MO, Montgomery County, MO, Osage County, MO, Pike County, MO, Ralls County, MO, Shelby County, MO, Warren County, MO

The radar

The St Louis radar (KLSX), 106 km from the middle of the area, began a volume at 18:51 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 12:00Z, 6.8 hours before the alert went out and 278 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 12:00Z on 2017-02-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 30 joules per kilogram.LCLLFCEL10008507005003002001001 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 12:00Z on 2017-02-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 223 square meters per square second.1939587897117Sfc1 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
30 J/kg
Mixed-layer CIN
-241 J/kg
Mixed-layer LCL
771 m above ground
0-6 km bulk shear
80 kt
0-1 km storm-relative helicity
223 m²/s²
0-3 km storm-relative helicity
294 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted.

603 
WWUS73 KLSX 281850
NPWLSX

URGENT - WEATHER MESSAGE
National Weather Service Saint Louis MO
1250 PM CST Tue Feb 28 2017

...Gusty Winds This Afternoon...

.Gusty winds this afternoon.

ILZ095>097-MOZ018-019-026-027-034>036-041-042-047>052-059-060-
010000-
/O.NEW.KLSX.WI.Y.0002.170228T1850Z-170301T0000Z/
Adams IL-Audrain MO-Boone MO-Brown IL-Callaway MO-Cole MO-
Gasconade MO-Knox MO-Lewis MO-Lincoln MO-Marion MO-Moniteau MO-
Monroe MO-Montgomery MO-Osage MO-Pike IL-Pike MO-Ralls MO-
Shelby MO-Warren MO-
Including the cities of Bowling Green, Columbia, Fulton, 
Hannibal, Jefferson City, Mexico, Mount Sterling, Pittsfield, 
and Quincy
1250 PM CST Tue Feb 28 2017

...WIND ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING...

The National Weather Service in Saint Louis has issued a Wind
Advisory, which is in effect until 6 PM CST this evening.

* TIMING...This afternoon through early evening.

* WINDS...Southwest 20 to 25 mph with gusts up to 45 mph.

* IMPACTS...Winds this strong can make driving difficult,
  especially for high profile vehicles on west to east oriented 
roads and highways. These winds can also lift and move trash 
cans, lawn furniture, and other loose outdoor objects. Minor 
tree and building damage is also possible. 

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. Winds of
these magnitudes may cause minor property damage without extra
precautions. Motorists in high profile vehicles should use
caution until the winds diminish.

&&

$$

KD
1 follow-up statement
102 
WWUS73 KLSX 282352
NPWLSX

URGENT - WEATHER MESSAGE
National Weather Service Saint Louis MO
552 PM CST Tue Feb 28 2017

ILZ095>097-MOZ018-019-026-027-034>036-041-042-047>052-059-060-
010100-
/O.EXP.KLSX.WI.Y.0002.000000T0000Z-170301T0000Z/
Adams IL-Audrain MO-Boone MO-Brown IL-Callaway MO-Cole MO-
Gasconade MO-Knox MO-Lewis MO-Lincoln MO-Marion MO-Moniteau MO-
Monroe MO-Montgomery MO-Osage MO-Pike IL-Pike MO-Ralls MO-
Shelby MO-Warren MO-
Including the cities of Bowling Green, Columbia, Fulton, 
Hannibal, Jefferson City, Mexico, Mount Sterling, Pittsfield, 
and Quincy
552 PM CST Tue Feb 28 2017

...WIND ADVISORY WILL EXPIRE AT 6 PM CST THIS EVENING...

Winds have diminished across the area and will remain below
advisory criteria outside of thunderstorms for tonight. 

$$

TES

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 28, 2:32 PM CSTSevere Thunderstorm WarningLSXCrawford43 min
Feb 28, 3:02 PM CSTSevere Thunderstorm WarningLSXCrawford, Washington43 min
Feb 28, 3:38 PM CSTSevere Thunderstorm WarningLSXJefferson, Sainte Genevieve, Saint Francois, Washington52 min
Feb 28, 4:01 PM CSTSevere Thunderstorm WarningLSXCrawford, Washington44 min
Feb 28, 4:07 PM CSTSevere Thunderstorm WarningLSXSainte Genevieve26 min
Feb 28, 4:15 PM CSTSevere Thunderstorm WarningLSXLincoln32 min
Feb 28, 4:41 PM CSTSevere Thunderstorm WarningLSXFranklin, Jefferson, Washington34 min
Feb 28, 4:58 PM CSTSevere Thunderstorm WarningLSXCrawford, Washington33 min
Feb 28, 5:10 PM CSTSevere Thunderstorm WarningLSXJefferson, Saint Louis, City of Saint Louis33 min
Feb 28, 5:16 PM CSTSevere Thunderstorm WarningLSXJefferson, Washington44 min
Feb 28, 5:29 PM CSTSevere Thunderstorm WarningLSXCity of Saint Louis46 min
Feb 28, 5:36 PM CSTSevere Thunderstorm WarningLSXJefferson39 min
Feb 28, 5:44 PM CSTSevere Thunderstorm WarningLSXJefferson, Sainte Genevieve31 min
Feb 28, 2:37 AM CSTSevere Thunderstorm WarningLSXRandolph16 min
Feb 28, 5:14 PM CSTTornado WarningLSXMacoupin, Montgomery31 min

Nearby

Wind Advisories in Missouri, 2017Wind Advisories in Illinois, 2017Every wind advisory in 2017

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.