Alert archive / Illinois / Wind Advisories in 2018
Wind Advisory 4, NWS St. Louis, MO
NWS St. Louis, MO issued this wind advisory at Oct 27, 2018, 3:25 PM CDT for 17 counties in Illinois; 9 counties in Missouri. It took effect at Oct 28, 2018, 9:00 AM CDT. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Oct 27, 2018, 3:25 PM CDT (20:25 UTC)
- In effect from
- Oct 28, 2018, 9:00 AM CDT
- Expired
- Oct 28, 2018, 6:00 PM CDT
- In force
- 9 hr
- Issued by
- NWS St. Louis, MO
All 26 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, City of Saint Louis, MO, Knox County, MO, Lewis County, MO, Lincoln County, MO, Marion County, MO, Pike County, MO, Ralls County, MO, Saint Charles County, MO, Saint Louis County, MO
The radar
The St Louis radar (KLSX), 52 km from the middle of the area, began a volume at 20:25 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, 8.4 hours before the alert went out and 192 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
- 946 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 45 m²/s²
- 0-3 km storm-relative helicity
- 55 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
834 WWUS73 KLSX 272025 NPWLSX URGENT - WEATHER MESSAGE National Weather Service Saint Louis MO 325 PM CDT Sat Oct 27 2018 ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-027-035-036- 052-061-063-064-281200- /O.NEW.KLSX.WI.Y.0004.181028T1400Z-181028T2300Z/ Adams IL-Bond IL-Brown IL-Calhoun IL-Clinton IL-Fayette IL- Greene IL-Jersey IL-Knox MO-Lewis MO-Lincoln MO-Macoupin IL- Madison IL-Marion IL-Marion MO-Monroe IL-Montgomery IL-Pike IL- Pike MO-Ralls MO-Randolph IL-Saint Charles MO-Saint Clair IL- Saint Louis City MO-Saint Louis MO-Washington IL- Including the cities of Alton, Belleville, Bowling Green, Cahokia, Centralia, Chester, Edwardsville, Hannibal, Litchfield, Mount Sterling, Pittsfield, Quincy, Saint Charles, Saint Louis, Salem, Sparta, and Vandalia 325 PM CDT Sat Oct 27 2018 ...WIND ADVISORY IN EFFECT FROM 9 AM TO 6 PM CDT SUNDAY... The National Weather Service in Saint Louis has issued a Wind Advisory, which is in effect from 9 AM to 6 PM CDT Sunday. * WINDS...Northwest 15 to 25 mph with gusts up to 45 mph. * TIMING...Between 9 AM and 6 PM CDT on Sunday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. 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 diminish. && $$ Kanofsky
3 follow-up statements
426 WWUS73 KLSX 280855 NPWLSX URGENT - WEATHER MESSAGE National Weather Service Saint Louis MO 355 AM CDT Sun Oct 28 2018 ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-027-035-036- 052-061-063-064-282300- /O.CON.KLSX.WI.Y.0004.181028T1400Z-181028T2300Z/ Adams IL-Bond IL-Brown IL-Calhoun IL-Clinton IL-Fayette IL- Greene IL-Jersey IL-Knox MO-Lewis MO-Lincoln MO-Macoupin IL- Madison IL-Marion IL-Marion MO-Monroe IL-Montgomery IL-Pike IL- Pike MO-Ralls MO-Randolph IL-Saint Charles MO-Saint Clair IL- Saint Louis City MO-Saint Louis MO-Washington IL- Including the cities of Alton, Belleville, Bowling Green, Cahokia, Centralia, Chester, Edwardsville, Hannibal, Litchfield, Mount Sterling, Pittsfield, Quincy, Saint Charles, Saint Louis, Salem, Sparta, and Vandalia 355 AM CDT Sun Oct 28 2018 ...WIND ADVISORY REMAINS IN EFFECT FROM 9 AM THIS MORNING TO 6 PM CDT THIS EVENING... * WINDS...Northwest 15 to 30 mph with gusts up to 45 mph. * TIMING...Between 9 AM and 6 PM CDT on Sunday. * IMPACTS...Strong winds may blow down limbs, trees, and power lines. Scattered power outages are possible. Travel may be difficult, especially for high profile vehicles on east-west oriented roads and highways. These winds can also lift and move trash cans, lawn furniture, and other loose outdoor objects. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory is issued when sustained winds are forecast to be 30 to 39 mph or gusts will range between 45 and 57 mph. Winds of these magnitudes may cause minor property damage without extra precautions. Motorists in high profile vehicles should use caution until the winds diminish. && $$ Carney
475 WWUS73 KLSX 282034 NPWLSX URGENT - WEATHER MESSAGE National Weather Service Saint Louis MO 334 PM CDT Sun Oct 28 2018 ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-027-035-036- 052-061-063-064-282300- /O.CON.KLSX.WI.Y.0004.000000T0000Z-181028T2300Z/ Adams IL-Bond IL-Brown IL-Calhoun IL-Clinton IL-Fayette IL- Greene IL-Jersey IL-Knox MO-Lewis MO-Lincoln MO-Macoupin IL- Madison IL-Marion IL-Marion MO-Monroe IL-Montgomery IL-Pike IL- Pike MO-Ralls MO-Randolph IL-Saint Charles MO-Saint Clair IL- Saint Louis City MO-Saint Louis MO-Washington IL- Including the cities of Alton, Belleville, Bowling Green, Cahokia, Centralia, Chester, Edwardsville, Hannibal, Litchfield, Mount Sterling, Pittsfield, Quincy, Saint Charles, Saint Louis, Salem, Sparta, and Vandalia 334 PM CDT Sun Oct 28 2018 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM CDT THIS EVENING... * WINDS...Northwest 15 to 25 mph with gusts up to 40 mph. * TIMING...Until 6 PM CDT this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. 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 diminish. && $$ Gosselin
874 WWUS73 KLSX 282256 NPWLSX URGENT - WEATHER MESSAGE National Weather Service Saint Louis MO 556 PM CDT Sun Oct 28 2018 ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-027-035-036- 052-061-063-064-290000- /O.EXP.KLSX.WI.Y.0004.000000T0000Z-181028T2300Z/ Adams IL-Bond IL-Brown IL-Calhoun IL-Clinton IL-Fayette IL- Greene IL-Jersey IL-Knox MO-Lewis MO-Lincoln MO-Macoupin IL- Madison IL-Marion IL-Marion MO-Monroe IL-Montgomery IL-Pike IL- Pike MO-Ralls MO-Randolph IL-Saint Charles MO-Saint Clair IL- Saint Louis City MO-Saint Louis MO-Washington IL- Including the cities of Alton, Belleville, Bowling Green, Cahokia, Centralia, Chester, Edwardsville, Hannibal, Litchfield, Mount Sterling, Pittsfield, Quincy, Saint Charles, Saint Louis, Salem, Sparta, and Vandalia 556 PM CDT Sun Oct 28 2018 ...WIND ADVISORY WILL EXPIRE AT 6 PM CDT THIS EVENING... Winds out of the northwest have begun to diminish and will continue to subside this evening. Light and variable winds are forecast after sunset into the overnight hours. Therefore, the threat for advisory criteria winds has ended. $$ Maples
Nearby
Wind Advisories in Illinois, 2018Wind Advisories in Missouri, 2018Every wind advisory in 2018
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.