Alert archive / Missouri / High Wind Warnings in 2023

High Wind Warning 1, NWS St. Louis, MO

March 31, 202310 counties in Missouri; Adams County, Brown County, Pike County, Illinois

NWS St. Louis, MO issued this high wind warning at Mar 31, 2023, 5:40 PM CDT for 10 counties in Missouri; Adams County, Brown County, Pike County, Illinois. It was in force for 3 hr. 4 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Mar 31, 2023, 5:40 PM CDT (22:40 UTC)
Expired
Mar 31, 2023, 9:00 PM CDT
In force
3 hr
Issued by
NWS St. Louis, MO

Counties Adams County, IL, Brown County, IL, Pike County, IL, Audrain County, MO, Boone County, MO, Callaway County, MO, Knox County, MO, Lewis County, MO, Marion County, MO, Monroe County, MO, Pike County, MO, Ralls County, MO, Shelby County, MO

The radar

The St Louis radar (KLSX), 129 km from the middle of the area, began a volume at 22:38 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.

What was reported inside it

TimeReportWhereRemark
Mar 31, 5:53 PM CDTNON-TSTM WND GST 593 Nne Ashland, MONON-THUNDERSTORM GUST FROM THE ASOS AT COLUMBIA REGIONAL AIRPORT.
Mar 31, 5:56 PM CDTNON-TSTM WND GST 498 Ese Columbia, MOUNIVERSITY OF MISSOURI MESONET.
Mar 31, 6:18 PM CDTHAIL 1.75Laddonia, MO
Mar 31, 7:14 PM CDTNON-TSTM WND GST 461 Sse Columbia, MOUNIVERSITY OF MISSOURI MESONET SANBORN FIELD.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 10.7 hours before the alert went out and 244 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 12:00Z on 2023-03-31Temperature 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 12:00Z on 2023-03-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 433 square meters per square second.1939587897Sfc1 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
897 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
433 m²/s²
0-3 km storm-relative helicity
424 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

916 
WWUS73 KLSX 312240
NPWLSX

URGENT - WEATHER MESSAGE
National Weather Service St Louis MO
540 PM CDT Fri Mar 31 2023

ILZ095>097-MOZ018-019-026-027-034>036-041-042-050-010200-
/O.UPG.KLSX.WI.Y.0005.000000T0000Z-230401T1800Z/
/O.NEW.KLSX.HW.W.0001.230331T2240Z-230401T0200Z/
Adams IL-Brown IL-Pike IL-Knox MO-Lewis MO-Shelby MO-Marion MO-
Monroe MO-Ralls MO-Pike MO-Boone MO-Audrain MO-Callaway MO-
Including the cities of Bowling Green, Mount Sterling,
Pittsfield, Fulton, Mexico, Columbia, Hannibal, and Quincy
540 PM CDT Fri Mar 31 2023

...HIGH WIND WARNING IN EFFECT UNTIL 9 PM CDT THIS EVENING...

* WHAT...West winds 20 to 30 mph with gusts up to 60 mph.

* WHERE...Portions of west central Illinois. Portions of central and 
  northeast Missouri.

* WHEN...Until 9 PM CDT this evening.

* IMPACTS...Damaging winds will blow down trees and power lines. 
  Widespread power outages are expected. Travel will be difficult, 
  especially for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain in the lower levels of your home during the windstorm, and 
avoid windows. Watch for falling debris and tree limbs. Use caution 
if you must drive.

&&

$$

ILZ058>060-064-065-069-070-074-098>102-MOZ047>049-051-052-059>065-
011345-
/O.CON.KLSX.WI.Y.0005.000000T0000Z-230401T1800Z/
Greene IL-Macoupin IL-Montgomery IL-Bond IL-Fayette IL-Clinton IL-
Marion IL-Washington IL-Calhoun IL-Jersey IL-Madison IL-Saint
Clair IL-Monroe IL-Moniteau MO-Cole MO-Osage MO-Montgomery MO-
Lincoln MO-Gasconade MO-Warren MO-Saint Charles MO-Franklin MO-
Saint Louis MO-Saint Louis City MO-Jefferson MO-
Including the cities of Salem, Saint Louis, Alton, Washington,
Centralia, Cahokia, Saint Charles, Jefferson City, Sullivan,
Belleville, Union, Litchfield, Vandalia, and Edwardsville
540 PM CDT Fri Mar 31 2023

...WIND ADVISORY REMAINS IN EFFECT UNTIL 1 PM CDT SATURDAY...

* WHAT...West winds 20 to 30 mph with gusts up to 55 mph.

* WHERE...Portions of south central and southwest Illinois. Portions 
  of central and east central Missouri.

* WHEN...Until 1 PM CDT Saturday.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree 
  limbs could be blown down and a few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Winds this strong can make driving difficult, especially for high 
profile vehicles. Use extra caution.

Secure outdoor objects.

&&

$$

ILZ079-MOZ072>075-084-085-099-010600-
/O.CON.KLSX.WI.Y.0005.000000T0000Z-230401T0600Z/
Randolph IL-Crawford MO-Washington MO-Saint Francois MO-Sainte
Genevieve MO-Iron MO-Madison MO-Reynolds MO-
Including the cities of Farmington, Sparta, and Chester
540 PM CDT Fri Mar 31 2023

...WIND ADVISORY REMAINS IN EFFECT UNTIL 1 AM CDT SATURDAY...

* WHAT...Southwest winds 15 to 25 mph with gusts up to 45 mph.

* WHERE...In Illinois, Randolph IL County. In Missouri, Crawford MO, 
  Washington MO, Iron MO, Madison MO, Reynolds MO, Saint Francois 
  MO, and Sainte Genevieve MO Counties.

* WHEN...Until 1 AM CDT Saturday.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree 
  limbs could be blown down and a few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Winds this strong can make driving difficult, especially for high 
profile vehicles. Use extra caution.

Secure outdoor objects.

&&

$$

Byrd
1 follow-up statement
715 
WWUS73 KLSX 010146
NPWLSX

URGENT - WEATHER MESSAGE
National Weather Service St Louis MO
846 PM CDT Fri Mar 31 2023

ILZ095>097-MOZ018-019-026-027-034>036-041-042-050-011700-
/O.EXP.KLSX.HW.W.0001.000000T0000Z-230401T0200Z/
/O.EXB.KLSX.WI.Y.0005.230401T0200Z-230401T1800Z/
Adams IL-Brown IL-Pike IL-Knox MO-Lewis MO-Shelby MO-Marion MO-
Monroe MO-Ralls MO-Pike MO-Boone MO-Audrain MO-Callaway MO-
Including the cities of Bowling Green, Mount Sterling,
Pittsfield, Fulton, Mexico, Columbia, Hannibal, and Quincy
846 PM CDT Fri Mar 31 2023

...WIND ADVISORY IN EFFECT UNTIL 1 PM CDT SATURDAY...
...HIGH WIND WARNING WILL EXPIRE AT 9 PM CDT THIS EVENING...

* WHAT...West winds 20 to 30 mph with gusts up to 55 mph expected.

* WHERE...Portions of west central Illinois. Portions of central and 
  northeast Missouri.

* WHEN...Until 1 PM CDT Saturday.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree 
  limbs could be blown down and a few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Winds this strong can make driving difficult, especially for high 
profile vehicles. Use extra caution.

&&

$$

ILZ058>060-064-065-069-070-074-098>102-MOZ047>049-051-052-059>065-
011700-
/O.CON.KLSX.WI.Y.0005.000000T0000Z-230401T1800Z/
Greene IL-Macoupin IL-Montgomery IL-Bond IL-Fayette IL-Clinton IL-
Marion IL-Washington IL-Calhoun IL-Jersey IL-Madison IL-Saint
Clair IL-Monroe IL-Moniteau MO-Cole MO-Osage MO-Montgomery MO-
Lincoln MO-Gasconade MO-Warren MO-Saint Charles MO-Franklin MO-
Saint Louis MO-Saint Louis City MO-Jefferson MO-
Including the cities of Salem, Saint Louis, Alton, Washington,
Centralia, Cahokia, Saint Charles, Jefferson City, Sullivan,
Belleville, Union, Litchfield, Vandalia, and Edwardsville
846 PM CDT Fri Mar 31 2023

...WIND ADVISORY REMAINS IN EFFECT UNTIL 1 PM CDT SATURDAY...

* WHAT...West winds 20 to 30 mph with gusts up to 55 mph.

* WHERE...Portions of south central and southwest Illinois. Portions 
  of central and east central Missouri.

* WHEN...Until 1 PM CDT Saturday.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree 
  limbs could be blown down and a few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Winds this strong can make driving difficult, especially for high 
profile vehicles. Use extra caution.

Secure outdoor objects.

&&

$$

ILZ079-MOZ072>075-084-085-099-010600-
/O.CON.KLSX.WI.Y.0005.000000T0000Z-230401T0600Z/
Randolph IL-Crawford MO-Washington MO-Saint Francois MO-Sainte
Genevieve MO-Iron MO-Madison MO-Reynolds MO-
Including the cities of Farmington, Sparta, and Chester
846 PM CDT Fri Mar 31 2023

...WIND ADVISORY REMAINS IN EFFECT UNTIL 1 AM CDT SATURDAY...

* WHAT...Southwest winds 15 to 20 mph with gusts up to 35 mph.

* WHERE...In Illinois, Randolph IL County. In Missouri, Crawford MO, 
  Washington MO, Iron MO, Madison MO, Reynolds MO, Saint Francois 
  MO, and Sainte Genevieve MO Counties.

* WHEN...Until 1 AM CDT Saturday.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree 
  limbs could be blown down and a few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Winds this strong can make driving difficult, especially for high 
profile vehicles. Use extra caution.

Secure outdoor objects.

&&

$$

Byrd

The office that day

Everything else NWS St. Louis, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 31, 12:40 PM CDTSevere Thunderstorm WarningLSXMarion, Ralls50 min
Mar 31, 1:19 PM CDTSevere Thunderstorm Warning Considerable damage threatLSXCrawford, Iron, Washington27 min
Mar 31, 1:37 PM CDTSevere Thunderstorm WarningLSXLewis8 min
Mar 31, 2:44 PM CDTSevere Thunderstorm WarningLSXAudrain, Boone, Monroe46 min
Mar 31, 3:19 PM CDTSevere Thunderstorm WarningLSXMonroe, Ralls41 min
Mar 31, 3:29 PM CDTSevere Thunderstorm WarningLSXAudrain, Boone, Callaway46 min
Mar 31, 3:49 PM CDTSevere Thunderstorm WarningLSXMarion, Ralls41 min
Mar 31, 3:56 PM CDTSevere Thunderstorm WarningLSXAudrain, Boone, Callaway, Monroe, Pike, Ralls49 min
Mar 31, 3:57 PM CDTSevere Thunderstorm Warning Considerable damage threatLSXAudrain, Montgomery, Pike48 min
Mar 31, 4:02 PM CDTTornado WarningLSXMarion, Ralls43 min
Mar 31, 4:27 PM CDTSevere Thunderstorm WarningLSXPike, Ralls33 min
Mar 31, 4:40 PM CDTSevere Thunderstorm WarningLSXLincoln, Montgomery, Pike50 min
Mar 31, 4:41 PM CDTSevere Thunderstorm WarningLSXPike34 min
Mar 31, 4:55 PM CDTTornado WarningLSXCrawford, Franklin, Gasconade26 min
Mar 31, 5:05 PM CDTTornado WarningLSXLincoln, Pike40 min
Mar 31, 5:09 PM CDTSevere Thunderstorm WarningLSXPike51 min
Mar 31, 5:10 PM CDTTornado WarningLSXCrawford, Washington19 min
Mar 31, 5:18 PM CDTTornado WarningLSXCrawford, Franklin, Washington27 min
Mar 31, 5:31 PM CDTSevere Thunderstorm WarningLSXCrawford, Washington25 min
Mar 31, 6:24 PM CDTSevere Thunderstorm WarningLSXJefferson, Sainte Genevieve, Saint Francois23 min
Mar 31, 1:15 PM CDTSevere Thunderstorm WarningLSXBrown23 min
Mar 31, 4:35 PM CDTTornado WarningLSXAdams, Brown, Pike40 min
Mar 31, 6:28 PM CDTSevere Thunderstorm WarningLSXBond, Clinton, Madison, Saint Clair47 min

Nearby

High Wind Warnings in Missouri, 2023High Wind Warnings in Illinois, 2023Every high wind warning in 2023

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.