Alert archive / Illinois / Wind Advisories in 2010

Wind Advisory 2, NWS St. Louis, MO

April 29, 2010Adams County, Brown County, Pike County, Illinois; Lewis County, Missouri

NWS St. Louis, MO issued this wind advisory at Apr 29, 2010, 3:44 AM CDT for Adams County, Brown County, Pike County, Illinois; Lewis County, Missouri. It took effect at Apr 29, 2010, 11:00 AM CDT. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Apr 29, 2010, 3:44 AM CDT (08:44 UTC)
In effect from
Apr 29, 2010, 11:00 AM CDT
Expired
Apr 29, 2010, 3:05 PM CDT
In force
4 hr
Issued by
NWS St. Louis, MO

Counties Adams County, IL, Brown County, IL, Pike County, IL, Lewis County, MO

The radar

The St Louis radar (KLSX), 141 km from the middle of the area, began a volume at 08:43 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, 8.7 hours before the alert went out and 197 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 2010-04-29Temperature 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 2010-04-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 26 square meters per square second.19395878Sfc1 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
1930 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
26 m²/s²
0-3 km storm-relative helicity
149 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.

471 
WWUS73 KLSX 290844
NPWLSX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE ST LOUIS MO
344 AM CDT THU APR 29 2010

ILZ095>097-MOZ019-292100-
/O.NEW.KLSX.WI.Y.0002.100429T1600Z-100429T2300Z/
ADAMS IL-BROWN IL-PIKE IL-LEWIS MO-
INCLUDING THE CITY OF...QUINCY
344 AM CDT THU APR 29 2010

...WIND ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 6 PM CDT
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 11 AM THIS MORNING TO 6 PM CDT
THIS EVENING. 

* SOUTHERLY WINDS WILL INCREASE TO 25 MPH WITH GUSTS UP TO 45 MPH
  BEGINNING LATE THIS MORNING AND THROUGH THE AFTERNOON HOURS.

* WINDS OF THESE MAGNITUDES MAY CAUSE MINOR PROPERTY DAMAGE
  WITHOUT EXTRA PRECAUTIONS AND CREATE DIFFICULTIES FOR MOTORISTS
  DRIVING HIGH PROFILE VEHICLES ESPECIALLY ALONG EAST TO WEST
  ORIENTED HIGHWAYS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THOSE WORKING IN AND NEAR CONSTRUCTION SITES SHOULD TAKE TIME TO
MAKE CERTAIN THAT STRUCTURES ARE PROPERLY BRACED FOR THESE HIGH
WINDS...AND THAT BUILDING MATERIALS ARE TIED DOWN. PEOPLE
THROUGHOUT THE ADVISORY AREA SHOULD ALSO MAKE CERTAIN THAT
LIGHTWEIGHT OUTDOOR FURNITURE...GRILLS...AND TRASH CANS ARE
PROPERLY SECURED. FINALLY...THOSE DRIVING LIGHTWEIGHT AND HIGH
PROFILE VEHICLES WILL NEED TO USE CAUTION...AS THESE GUSTY WINDS
MAY MAKE IT DIFFICULT TO CONTROL YOUR VEHICLE.

&&

$$

TILLY
2 follow-up statements
551 
WWUS73 KLSX 291455
NPWLSX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE ST LOUIS MO
955 AM CDT THU APR 29 2010

ILZ095>097-MOZ019-292300-
/O.CON.KLSX.WI.Y.0002.100429T1600Z-100429T2300Z/
ADAMS IL-BROWN IL-PIKE IL-LEWIS MO-
INCLUDING THE CITY OF...QUINCY
955 AM CDT THU APR 29 2010

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM CDT THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM CDT THIS EVENING. 

* A SOUTH WIND OF 20 TO 30 MPH WILL GUST TO 45 MPH TODAY.

* WINDS OF THESE MAGNITUDES MAY CAUSE MINOR PROPERTY DAMAGE 
  WITHOUT EXTRA PRECAUTIONS AND CREATE DIFFICULTIES FOR 
  MOTORISTS DRIVING HIGH PROFILE VEHICLES ESPECIALLY ALONG EAST 
  TO WEST ORIENTED HIGHWAYS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THOSE WORKING IN AND NEAR CONSTRUCTION SITES SHOULD TAKE TIME TO
MAKE CERTAIN THAT STRUCTURES ARE PROPERLY BRACED FOR THESE HIGH
WINDS...AND THAT BUILDING MATERIALS ARE TIED DOWN. PEOPLE
THROUGHOUT THE ADVISORY AREA SHOULD ALSO MAKE CERTAIN THAT
LIGHTWEIGHT OUTDOOR FURNITURE...GRILLS...AND TRASH CANS ARE
PROPERLY SECURED. FINALLY...THOSE DRIVING LIGHTWEIGHT AND HIGH
PROFILE VEHICLES WILL NEED TO USE CAUTION...AS THESE GUSTY WINDS
MAY MAKE IT DIFFICULT TO CONTROL YOUR VEHICLE.

&&

$$

CVKING
432 
WWUS73 KLSX 292005
NPWLSX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE ST LOUIS MO
305 PM CDT THU APR 29 2010

ILZ095>097-MOZ019-292115-
/O.CAN.KLSX.WI.Y.0002.000000T0000Z-100429T2300Z/
ADAMS IL-BROWN IL-PIKE IL-LEWIS MO-
INCLUDING THE CITY OF...QUINCY
305 PM CDT THU APR 29 2010

...WIND ADVISORY IS CANCELLED...

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

A SOUTH WIND WILL REMAIN BELOW ADVISORY CRITERIA THIS EVENING WITH
GUSTS BETWEEN 30 AND 40 MPH.

$$

CVKING

Nearby

Wind Advisories in Illinois, 2010Wind Advisories in Missouri, 2010Every wind advisory in 2010

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.