Alert archive / Missouri / Wind Advisories in 2012
Wind Advisory 6, NWS St. Louis, MO
NWS St. Louis, MO issued this wind advisory at Apr 15, 2012, 3:50 AM CDT for 16 counties in Illinois; 24 counties in Missouri. It took effect at Apr 15, 2012, 10:00 AM CDT. It was in force for 11 hr.
The area
The counties it named.
The facts
- Issued
- Apr 15, 2012, 3:50 AM CDT (08:50 UTC)
- In effect from
- Apr 15, 2012, 10:00 AM CDT
- Expired
- Apr 15, 2012, 8:52 PM CDT
- In force
- 11 hr
- Issued by
- NWS St. Louis, MO
All 40 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, 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 Louis County, MO, Shelby County, MO, Warren County, MO, Washington County, MO
The radar
The St Louis radar (KLSX), 36 km from the middle of the area, began a volume at 08:56 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 00:00Z, 8.8 hours before the alert went out and 234 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
- 180 J/kg
- Mixed-layer CIN
- -77 J/kg
- Mixed-layer LCL
- 748 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 121 m²/s²
- 0-3 km storm-relative helicity
- 85 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.4
The text
As transmitted, in the capitals the NWS used until 2016.
634 WWUS73 KLSX 150850 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 350 AM CDT SUN APR 15 2012 ...STRONG WINDS EXPECTED ACROSS THE AREA TODAY AND THIS EVENING... .DEEP LOW PRESSURE OVER THE GREAT PLAINS WILL PRODUCE STRONG WINDS ACROSS THE AREA TODAY INTO THIS EVENING. SUSTAINED WINDS OF 30 MPH WITH GUSTS AROUND 40 TO 45 MPH ARE LIKELY. ILZ058>060-064-065-069-070-074-095>102-MOZ018-019-026-027-034>036- 041-042-047>052-059>065-072-073-160300- /O.NEW.KLSX.WI.Y.0006.120415T1500Z-120416T0300Z/ GREENE IL-MACOUPIN IL-MONTGOMERY IL-BOND IL-FAYETTE IL-CLINTON IL- MARION IL-WASHINGTON IL-ADAMS IL-BROWN IL-PIKE IL-CALHOUN IL- JERSEY IL-MADISON IL-ST. CLAIR IL-MONROE IL-KNOX MO-LEWIS MO- SHELBY MO-MARION MO-MONROE MO-RALLS MO-PIKE MO-BOONE MO- AUDRAIN MO-MONITEAU MO-COLE MO-OSAGE MO-CALLAWAY MO-MONTGOMERY MO- LINCOLN MO-GASCONADE MO-WARREN MO-ST. CHARLES MO-FRANKLIN MO- ST. LOUIS MO-ST. LOUIS CITY MO-JEFFERSON MO-CRAWFORD MO- WASHINGTON MO- INCLUDING THE CITIES OF...LITCHFIELD...VANDALIA...SALEM... QUINCY...EDWARDSVILLE...BELLEVILLE...HANNIBAL...BOWLING GREEN... COLUMBIA...MEXICO...JEFFERSON CITY...ST CHARLES...UNION... ST LOUIS 350 AM CDT SUN APR 15 2012 ...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 10 PM CDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO 10 PM CDT THIS EVENING. * TIMING...WINDS WILL INCREASE THROUGH THE MORNING HOURS AND CONTINUE THROUGH THE EARLY EVENING. * WINDS...SUSTAINED SOUTH WINDS IN EXCESS OF 30 MPH WITH GUSTS TO AROUND 45 MPH ARE LIKELY. * IMPACTS...MINOR PROPERTY DAMAGE IS POSSIBLE. ADDITIONALLY...HIGH PROFILE VEHICLES WILL BE DIFFICULT TO CONTROL ESPECIALLY ON EAST-WEST ORIENTED ROADS AND HIGHWAYS. 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. && $$ CARNEY
2 follow-up statements
580 WWUS73 KLSX 152017 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 317 PM CDT SUN APR 15 2012 ...STRONG WINDS WILL CONTINUE ACROSS THE AREA THIS EVENING... .DEEP LOW PRESSURE OVER THE GREAT PLAINS WILL PRODUCE STRONG WINDS ACROSS THE AREA INTO THIS EVENING. SUSTAINED WINDS OF 30 MPH WITH GUSTS OF 40 TO 45 MPH ARE LIKELY. ILZ058>060-064-065-069-070-074-095>102-MOZ018-019-026-027-034>036- 041-042-047>052-059>065-072-073-160300- /O.CON.KLSX.WI.Y.0006.000000T0000Z-120416T0300Z/ GREENE IL-MACOUPIN IL-MONTGOMERY IL-BOND IL-FAYETTE IL-CLINTON IL- MARION IL-WASHINGTON IL-ADAMS IL-BROWN IL-PIKE IL-CALHOUN IL- JERSEY IL-MADISON IL-ST. CLAIR IL-MONROE IL-KNOX MO-LEWIS MO- SHELBY MO-MARION MO-MONROE MO-RALLS MO-PIKE MO-BOONE MO- AUDRAIN MO-MONITEAU MO-COLE MO-OSAGE MO-CALLAWAY MO-MONTGOMERY MO- LINCOLN MO-GASCONADE MO-WARREN MO-ST. CHARLES MO-FRANKLIN MO- ST. LOUIS MO-ST. LOUIS CITY MO-JEFFERSON MO-CRAWFORD MO- WASHINGTON MO- INCLUDING THE CITIES OF...LITCHFIELD...VANDALIA...SALEM... QUINCY...EDWARDSVILLE...BELLEVILLE...HANNIBAL...BOWLING GREEN... COLUMBIA...MEXICO...JEFFERSON CITY...ST CHARLES...UNION... ST LOUIS 317 PM CDT SUN APR 15 2012 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT THIS EVENING... * TIMING...STRONG AND GUSTY WINDS WILL CONTINUE THROUGH THE EARLY EVENING HOURS. * WINDS...SUSTAINED SOUTH WINDS IN EXCESS OF 30 MPH WITH GUSTS TO AROUND 45 MPH ARE LIKELY. * IMPACTS...MINOR PROPERTY DAMAGE IS POSSIBLE. ADDITIONALLY... HIGH PROFILE VEHICLES WILL BE DIFFICULT TO CONTROL ESPECIALLY ON EAST-WEST ORIENTED ROADS AND HIGHWAYS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS ARE FORECAST TO BE 30 TO 39 MPH OR GUSTS WILL RANGE BETWEEN 45 AND 57 MPH. WINDS OF THESE MAGNITUDES MAY CAUSE MINOR PROPERTY DAMAGE WITHOUT EXTRA PRECAUTIONS. MOTORISTS IN HIGH PROFILE VEHICLES SHOULD USE EXTRA CAUTION UNTIL THE WINDS SUBSIDE. && $$ GKS
764 WWUS73 KLSX 160152 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 852 PM CDT SUN APR 15 2012 ILZ058>060-064-065-069-070-074-095>102-MOZ018-019-026-027-034>036- 041-042-047>052-059>065-072-073-160300- /O.CAN.KLSX.WI.Y.0006.000000T0000Z-120416T0300Z/ GREENE IL-MACOUPIN IL-MONTGOMERY IL-BOND IL-FAYETTE IL-CLINTON IL- MARION IL-WASHINGTON IL-ADAMS IL-BROWN IL-PIKE IL-CALHOUN IL- JERSEY IL-MADISON IL-ST. CLAIR IL-MONROE IL-KNOX MO-LEWIS MO- SHELBY MO-MARION MO-MONROE MO-RALLS MO-PIKE MO-BOONE MO- AUDRAIN MO-MONITEAU MO-COLE MO-OSAGE MO-CALLAWAY MO-MONTGOMERY MO- LINCOLN MO-GASCONADE MO-WARREN MO-ST. CHARLES MO-FRANKLIN MO- ST. LOUIS MO-ST. LOUIS CITY MO-JEFFERSON MO-CRAWFORD MO- WASHINGTON MO- INCLUDING THE CITIES OF...LITCHFIELD...VANDALIA...SALEM... QUINCY...EDWARDSVILLE...BELLEVILLE...HANNIBAL...BOWLING GREEN... COLUMBIA...MEXICO...JEFFERSON CITY...ST CHARLES...UNION... ST LOUIS 852 PM CDT SUN APR 15 2012 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS CANCELLED THE WIND ADVISORY. BREEZY SOUTH TO SOUTHWEST WINDS WILL CONTINUE OVERNIGHT BUT GUSTS SHOULD BE WELL BELOW ADVISORY CRITERIA...WITH ONLY UP TO 30 MPH EXPECTED. WINDS ARE EXPECTED TO PICK UP AGAIN ON MONDAY...BUT AT THIS TIME...PEAK GUSTS SHOULD BE AROUND 35 MPH OR SO. $$ TES
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 15, 6:47 PM CDT | Severe Thunderstorm Warning | LSX | Pike | 28 min |
| Apr 14, 9:00 PM CDT | River Flood Warning | LSX | Franklin | 3 days |
| Apr 15, 4:24 PM CDT | Severe Thunderstorm Warning | LSX | Boone, Cole, Moniteau | 36 min |
| Apr 15, 5:37 PM CDT | Severe Thunderstorm Warning | LSX | Callaway, Montgomery | 23 min |
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.