Alert archive / Missouri / Wind Advisories in 2011
Wind Advisory 2, NWS St. Louis, MO
NWS St. Louis, MO issued this wind advisory at Apr 10, 2011, 10:43 AM CDT for 11 counties in Missouri; Adams County, Illinois. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Apr 10, 2011, 10:43 AM CDT (15:43 UTC)
- Expired
- Apr 10, 2011, 6:18 PM CDT
- In force
- 8 hr
- Issued by
- NWS St. Louis, MO
Counties Adams County, IL, Audrain County, MO, Boone County, MO, Callaway County, MO, Cole County, MO, Knox County, MO, Lewis County, MO, Marion County, MO, Moniteau County, MO, Monroe County, MO, Ralls County, MO, Shelby County, MO
The radar
The St Louis radar (KLSX), 135 km from the middle of the area, began a volume at 15:46 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, 3.7 hours before the alert went out and 273 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
- 400 J/kg
- Mixed-layer CIN
- -550 J/kg
- Mixed-layer LCL
- 1420 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 549 m²/s²
- 0-3 km storm-relative helicity
- 529 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
262 WWUS73 KLSX 101544 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 1043 AM CDT SUN APR 10 2011 ILZ095-MOZ018-019-026-027-034-035-041-042-047-048-050-110000- /O.NEW.KLSX.WI.Y.0002.110410T1543Z-110411T0000Z/ ADAMS IL-KNOX MO-LEWIS MO-SHELBY MO-MARION MO-MONROE MO-RALLS MO- BOONE MO-AUDRAIN MO-MONITEAU MO-COLE MO-CALLAWAY MO- INCLUDING THE CITIES OF...QUINCY...HANNIBAL...COLUMBIA...MEXICO... JEFFERSON CITY 1043 AM CDT SUN APR 10 2011 ...WIND ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 7 PM CDT THIS EVENING. * TIMING...VERY STRONG AND GUSTY WINDS CAN BE EXPECTED THROUGH EARLY THIS EVENING. * WINDS...SUSTAINED SOUTH TO SOUTHWEST WINDS OF 20 TO 30 MPH WITH GUSTS OF 40 TO 50 MPH CAN BE EXPECTED. * IMPACTS...ANY UNSECURED OBJECTS LIKE LAWN FURNITURE MAY BE BLOWN ABOUT OR DAMAGED. MOTORISTS IN HIGH PROFILE VEHICLES ON WEST TO EAST ORIENTED ROADS WILL EXPERIENCE STRONG CROSS WINDS WHICH MAY MAKE DRIVING HAZARDOUS. 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. && $$ BYRD
2 follow-up statements
155 WWUS73 KLSX 102035 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 335 PM CDT SUN APR 10 2011 ILZ095-MOZ018-019-026-027-034-035-041-042-047-048-050-110000- /O.CON.KLSX.WI.Y.0002.000000T0000Z-110411T0000Z/ ADAMS IL-KNOX MO-LEWIS MO-SHELBY MO-MARION MO-MONROE MO-RALLS MO- BOONE MO-AUDRAIN MO-MONITEAU MO-COLE MO-CALLAWAY MO- INCLUDING THE CITIES OF...QUINCY...HANNIBAL...COLUMBIA...MEXICO... JEFFERSON CITY 335 PM CDT SUN APR 10 2011 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... A WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING. * TIMING...THE VERY WINDY CONDITIONS WILL PERSIST THE REST OF THE AFTERNOON BEFORE DECREASING AROUND SUNSET. * WINDS...SUSTAINED SOUTH TO SOUTHWEST WINDS OF 15 TO 30 MPH WITH GUSTS UP TO 45 MPH CAN BE EXPECTED. * IMPACTS...ANY UNSECURED OBJECTS LIKE LAWN FURNITURE MAY BE BLOWN ABOUT OR DAMAGED. MOTORISTS IN HIGH PROFILE VEHICLES ON WEST TO EAST ORIENTED ROADS WILL EXPERIENCE STRONG CROSS WINDS WHICH MAY MAKE DRIVING HAZARDOUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... WINDS OF THESE MAGNITUDES MAY CAUSE MINOR PROPERTY DAMAGE WITHOUT EXTRA PRECAUTIONS. MOTORISTS IN HIGH PROFILE VEHICLES SHOULD USE CAUTION UNTIL THE WINDS SUBSIDE. && $$ BRITT
978 WWUS73 KLSX 102318 NPWLSX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 618 PM CDT SUN APR 10 2011 ILZ095-MOZ018-019-026-027-034-035-041-042-047-048-050-110030- /O.CAN.KLSX.WI.Y.0002.000000T0000Z-110411T0000Z/ ADAMS IL-KNOX MO-LEWIS MO-SHELBY MO-MARION MO-MONROE MO-RALLS MO- BOONE MO-AUDRAIN MO-MONITEAU MO-COLE MO-CALLAWAY MO- INCLUDING THE CITIES OF...QUINCY...HANNIBAL...COLUMBIA...MEXICO... JEFFERSON CITY 618 PM CDT SUN APR 10 2011 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS CANCELLED THE WIND ADVISORY. SOUTHWEST WINDS HAVE DECREASED THIS EVENING AND NO LONGER MEET ADVISORY CRITERIA. $$ BRITT
Nearby
Wind Advisories in Missouri, 2011Wind Advisories in Illinois, 2011Every wind advisory in 2011
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.