Alert archive / Missouri / Wind Advisories in 2009

Wind Advisory 4, NWS St. Louis, MO

March 8, 200926 counties in Missouri; 17 counties in Illinois

NWS St. Louis, MO issued this wind advisory at Mar 8, 2009, 12:16 PM CDT for 26 counties in Missouri; 17 counties in Illinois. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Mar 8, 2009, 12:16 PM CDT (17:16 UTC)
Expired
Mar 8, 2009, 7:00 PM CDT
In force
7 hr
Issued by
NWS St. Louis, MO
All 43 counties

Adams County, IL, 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, Audrain County, MO, Boone County, MO, Callaway County, MO, City of Saint Louis, MO, Cole County, MO, Crawford County, MO, Franklin County, MO, Gasconade County, MO, Jefferson 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, Saint Charles County, MO, Saint Francois County, MO, Saint Louis County, MO, Sainte Genevieve County, MO, Shelby County, MO, Warren County, MO, Washington County, MO

The radar

The St Louis radar (KLSX), 27 km from the middle of the area, began a volume at 17:19 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, 5.3 hours before the alert went out and 236 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, Lincoln, IL at 12:00Z on 2009-03-08Temperature 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, Lincoln, IL at 12:00Z on 2009-03-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 389 square meters per square second.1939587897Sfc1 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
441 m above ground
0-6 km bulk shear
78 kt
0-1 km storm-relative helicity
389 m²/s²
0-3 km storm-relative helicity
401 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

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

000 
WWUS73 KLSX 081716
NPWLSX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE ST LOUIS MO
1216 PM CDT SUN MAR 8 2009


ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027-
034>036-041-042-047>052-059>065-072>075-082100-
/O.NEW.KLSX.WI.Y.0004.090308T1716Z-090308T2100Z/
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-LEWIS-
SHELBY-MARION-MONROE-RALLS-PIKE-BOONE-AUDRAIN-MONITEAU-COLE-OSAGE-
CALLAWAY-MONTGOMERY-LINCOLN-GASCONADE-WARREN-ST. CHARLES-FRANKLIN-
ST. LOUIS-ST. LOUIS CITY-JEFFERSON-CRAWFORD-WASHINGTON-
ST. FRANCOIS-STE. GENEVIEVE-
INCLUDING THE CITIES OF...LITCHFIELD...VANDALIA...SALEM...
CHESTER...QUINCY...EDWARDSVILLE...BELLEVILLE...HANNIBAL...
BOWLING GREEN...COLUMBIA...MEXICO...JEFFERSON CITY...ST CHARLES...
UNION...ST LOUIS...FARMINGTON
1216 PM CDT SUN MAR 8 2009

...WIND ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON. 

STRONG GRADIENT WINDS ON THE BACKSIDE OF A WEATHER SYSTEM THAT IS
EXITING THE REGION WILL CREATE SUSTAINED WINDS OF 25 TO 30 MPH
WITH GUSTS TO 45 MPH...BEFORE DIMINISHING LATE THIS AFTERNOON.

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 SUBSIDE.

$$

BYRD
2 follow-up statements
000 
WWUS73 KLSX 082024
NPWLSX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE ST LOUIS MO
324 PM CDT SUN MAR 8 2009

ILZ058-095>099-MOZ018-019-026-027-034>036-041-042-047>052-059-060-
062-072-073-082130-
/O.CAN.KLSX.WI.Y.0004.000000T0000Z-090308T2100Z/
GREENE IL-ADAMS IL-BROWN IL-PIKE IL-CALHOUN IL-JERSEY IL-KNOX-
LEWIS-SHELBY-MARION-MONROE-RALLS-PIKE-BOONE-AUDRAIN-MONITEAU-COLE-
OSAGE-CALLAWAY-MONTGOMERY-LINCOLN-GASCONADE-WARREN-FRANKLIN-
CRAWFORD-WASHINGTON-
INCLUDING THE CITIES OF...QUINCY...HANNIBAL...BOWLING GREEN...
COLUMBIA...MEXICO...JEFFERSON CITY...UNION
324 PM CDT SUN MAR 8 2009

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS CANCELLED THE WIND
ADVISORY. 

THE WINDS ARE DIMINISHING AS THE SURFACE LOW RAPIDLY MOVES OFF TO
THE NORTHEAST INTO THE GREAT LAKES REGION...SO THE WIND ADVISORY
HAS BEEN CANCELLED.

$$

ILZ059-060-064-065-069-070-074-079-100>102-MOZ061-063>065-074-075-
090000-
/O.EXT.KLSX.WI.Y.0004.000000T0000Z-090309T0000Z/
MACOUPIN IL-MONTGOMERY IL-BOND IL-FAYETTE IL-CLINTON IL-MARION IL-
WASHINGTON IL-RANDOLPH IL-MADISON IL-ST. CLAIR IL-MONROE IL-
ST. CHARLES-ST. LOUIS-ST. LOUIS CITY-JEFFERSON-ST. FRANCOIS-
STE. GENEVIEVE-
INCLUDING THE CITIES OF...LITCHFIELD...VANDALIA...SALEM...
CHESTER...EDWARDSVILLE...BELLEVILLE...ST CHARLES...ST LOUIS...
FARMINGTON
324 PM CDT SUN MAR 8 2009

...WIND ADVISORY NOW IN EFFECT UNTIL 7 PM CDT THIS EVENING...

THE WIND ADVISORY IS NOW IN EFFECT UNTIL 7 PM CDT THIS EVENING. 

STRONG GRADIENT WINDS ON THE BACKSIDE OF A WEATHER SYSTEM THAT IS
EXITING THE REGION WILL CREATE SUSTAINED WINDS OF 25 TO 30 MPH
WITH GUSTS TO 45 MPH...BEFORE DIMINISHING EARLY THIS EVENING.

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 SUBSIDE.

$$

BYRD
000 
WWUS73 KLSX 090011
NPWLSX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE ST LOUIS MO
711 PM CDT SUN MAR 8 2009

ILZ059-060-064-065-069-070-074-079-100>102-MOZ061-063>065-074-075-
090115-
/O.EXP.KLSX.WI.Y.0004.000000T0000Z-090309T0000Z/
MACOUPIN IL-MONTGOMERY IL-BOND IL-FAYETTE IL-CLINTON IL-MARION IL-
WASHINGTON IL-RANDOLPH IL-MADISON IL-ST. CLAIR IL-MONROE IL-
ST. CHARLES-ST. LOUIS-ST. LOUIS CITY-JEFFERSON-ST. FRANCOIS-
STE. GENEVIEVE-
INCLUDING THE CITIES OF...LITCHFIELD...VANDALIA...SALEM...
CHESTER...EDWARDSVILLE...BELLEVILLE...ST CHARLES...ST LOUIS...
FARMINGTON
711 PM CDT SUN MAR 8 2009

...WIND ADVISORY HAS EXPIRED...

THE WIND ADVISORY IS NO LONGER IN EFFECT. 

WINDS ACROSS THE REGION HAVE SLOWLY DIMINISHED DURING THE LATE
AFTERNOON AND EARLY EVENING HOURS...AND THIS GRADUAL DECREASE IN
WIND SPEEDS SHOULD CONTINUE AFTER SUNSET.

$$

TRUETT

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 7, 9:54 PM CSTFlash Flood WatchLSXKnox, Lewis, Marion, Monroe, Shelby8 hr
Mar 8, 8:37 AM CDTSevere Thunderstorm WarningLSXBoone, Callaway, Cole, Moniteau, Osage38 min
Mar 8, 9:21 AM CDTSevere Thunderstorm WarningLSXCallaway, Cole, Franklin, Gasconade, Lincoln, Montgomery and 2 more39 min
Mar 8, 9:49 AM CDTSevere Thunderstorm WarningLSXFranklin, Gasconade, Osage26 min
Mar 8, 9:51 AM CDTTornado WarningLSXCrawford24 min
Mar 8, 10:14 AM CDTTornado WarningLSXCrawford, Washington31 min
Mar 8, 10:16 AM CDTSevere Thunderstorm WarningLSXFranklin, Saint Charles, Warren35 min
Mar 8, 10:19 AM CDTSevere Thunderstorm WarningLSXLincoln, Saint Charles, Warren26 min
Mar 8, 10:36 AM CDTSevere Thunderstorm WarningLSXFranklin, Saint Charles, Saint Louis, City of Saint Louis24 min
Mar 8, 10:39 AM CDTTornado WarningLSXJefferson, Sainte Genevieve, Saint Francois, Washington36 min
Mar 8, 10:51 AM CDTTornado WarningLSXLincoln24 min
Mar 8, 11:06 AM CDTTornado WarningLSXJefferson, Sainte Genevieve39 min
Mar 8, 2:14 PM CDTRiver Flood WarningLSXLewis5 days
Mar 8, 2:14 PM CDTRiver Flood WarningLSXLewis4 days
Mar 8, 11:16 AM CDTSevere Thunderstorm WarningLSXGreene, Jersey, Macoupin, Montgomery44 min
Mar 8, 11:17 AM CDTTornado WarningLSXGreene, Macoupin13 min
Mar 8, 11:32 AM CDTTornado WarningLSXRandolph, Saint Clair, Washington43 min
Mar 8, 12:33 PM CDTTornado WarningLSXMarion10 min

Nearby

Wind Advisories in Missouri, 2009Wind Advisories in Illinois, 2009Every wind advisory in 2009

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.