Alert archive / Missouri / Wind Advisories in 2012
Wind Advisory 2, NWS St. Louis, MO
NWS St. Louis, MO issued this wind advisory at Feb 28, 2012, 3:55 PM CST for 8 counties in Illinois; 9 counties in Missouri. It took effect at Feb 29, 2012, 9:00 AM CST. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Feb 28, 2012, 3:55 PM CST (21:55 UTC)
- In effect from
- Feb 29, 2012, 9:00 AM CST
- Expired
- Feb 29, 2012, 6:00 PM CST
- In force
- 9 hr
- Issued by
- NWS St. Louis, MO
Counties Adams County, IL, Brown County, IL, Calhoun County, IL, Greene County, IL, Jersey County, IL, Macoupin County, IL, Montgomery County, IL, Pike County, IL, Audrain County, MO, Knox County, MO, Lewis County, MO, Lincoln County, MO, Marion County, MO, Monroe County, MO, Pike County, MO, Ralls County, MO, Shelby County, MO
The radar
The St Louis radar (KLSX), 100 km from the middle of the area, began a volume at 21:57 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, 9.9 hours before the alert went out and 224 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1793 m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- 162 m²/s²
- 0-3 km storm-relative helicity
- 328 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
395 WWUS73 KLSX 282155 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 355 PM CST TUE FEB 28 2012 ...VERY WINDY ON WEDNESDAY... .LOW PRESSURE WILL DEEPEN OVER THE UPPER MIDWEST ON WEDNESDAY. THIS WILL CAUSE VERY WINDY CONDITIONS TO DEVELOP OVER THE AREA TOMORROW. ILZ058>060-095>099-MOZ018-019-026-027-034>036-042-052-291100- /O.NEW.KLSX.WI.Y.0002.120229T1500Z-120301T0000Z/ GREENE IL-MACOUPIN IL-MONTGOMERY IL-ADAMS IL-BROWN IL-PIKE IL- CALHOUN IL-JERSEY IL-KNOX MO-LEWIS MO-SHELBY MO-MARION MO- MONROE MO-RALLS MO-PIKE MO-AUDRAIN MO-LINCOLN MO- INCLUDING THE CITIES OF...LITCHFIELD...QUINCY...HANNIBAL... BOWLING GREEN...MEXICO 355 PM CST TUE FEB 28 2012 ...WIND ADVISORY IN EFFECT FROM 9 AM TO 6 PM CST WEDNESDAY... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 9 AM TO 6 PM CST WEDNESDAY. * TIMING...LATE WEDNESDAY MORNING AND WEDNESDAY AFTERNOON. * WINDS...WESTERLY WINDS WILL BE SUSTAINED BETWEEN 20 AND 30 MPH WITH GUSTS TO AROUND 45 MPH. * IMPACTS...THE WIND WILL BLOW AROUND ANY UNSECURED OBJECTS SUCH AS TRASH CANS AND LAWN FURNITURE. DRIVING HIGH PROFILE VEHICLES WILL BE DIFFICULT. 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 SUBSIDE. && $$ BRITT
2 follow-up statements
867 WWUS73 KLSX 291033 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 433 AM CST WED FEB 29 2012 ILZ058>060-095>099-MOZ018-019-026-027-034>036-042-052-010000- /O.CON.KLSX.WI.Y.0002.120229T1500Z-120301T0000Z/ GREENE IL-MACOUPIN IL-MONTGOMERY IL-ADAMS IL-BROWN IL-PIKE IL- CALHOUN IL-JERSEY IL-KNOX MO-LEWIS MO-SHELBY MO-MARION MO- MONROE MO-RALLS MO-PIKE MO-AUDRAIN MO-LINCOLN MO- INCLUDING THE CITIES OF...LITCHFIELD...QUINCY...HANNIBAL... BOWLING GREEN...MEXICO 433 AM CST WED FEB 29 2012 ...WIND ADVISORY REMAINS IN EFFECT FROM 9 AM THIS MORNING TO 6 PM CST THIS EVENING... * TIMING...LATE THIS MORNING AND THIS AFTERNOON. * WINDS...WESTERLY WINDS WILL BE SUSTAINED BETWEEN 20 AND 35 MPH WITH GUSTS TO AROUND 45 MPH. * IMPACTS...THE WIND WILL BLOW AROUND ANY UNSECURED OBJECTS SUCH AS TRASH CANS AND LAWN FURNITURE. DRIVING HIGH PROFILE VEHICLES WILL BE DIFFICULT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS ARE FORECAST TO BE 30 TO 39 MPH OR GUSTS WILL RANGE BETWEEN 45 AND 57 MPH. WINDS OF THESE MAGNITUDES MAY CAUSE MINOR PROPERTY DAMAGE WITHOUT EXTRA PRECAUTIONS. MOTORISTS IN HIGH PROFILE VEHICLES SHOULD USE CAUTION UNTIL THE WINDS SUBSIDE. && $$ BYRD
529 WWUS73 KLSX 010009 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 609 PM CST WED FEB 29 2012 ILZ058>060-095>099-MOZ018-019-026-027-034>036-042-052-010115- /O.EXP.KLSX.WI.Y.0002.000000T0000Z-120301T0000Z/ GREENE IL-MACOUPIN IL-MONTGOMERY IL-ADAMS IL-BROWN IL-PIKE IL- CALHOUN IL-JERSEY IL-KNOX MO-LEWIS MO-SHELBY MO-MARION MO- MONROE MO-RALLS MO-PIKE MO-AUDRAIN MO-LINCOLN MO- INCLUDING THE CITIES OF...LITCHFIELD...QUINCY...HANNIBAL... BOWLING GREEN...MEXICO 609 PM CST WED FEB 29 2012 ...WIND ADVISORY HAS EXPIRED... THE WIND ADVISORY HAS EXPIRED EARLY THIS EVENING AS THE VERY STRONG AND GUSTY WESTERLY WINDS BEGIN TO DIMINISH. MOTORISTS WILL STILL NEED TO DRIVE WITH EXTRA CAUTION AS SMALL BRANCHES AND OTHER WIND BLOWN DEBRIS MAY LITTER SOME ROADS DUE TO THIS AFTERNOONS HIGH WINDS. $$ GKS
Nearby
Wind Advisories in Missouri, 2012Wind Advisories in Illinois, 2012Every wind advisory in 2012
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.