Alert archive / Missouri / Tornado Warnings in 2023

Tornado Warning 21, NWS Springfield, MO

September 23, 2023St. Clair County, Missouri

NWS Springfield, MO issued this tornado warning at Sep 23, 2023, 7:04 PM CDT for St. Clair County, Missouri. It was in force for 26 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Sep 23, 2023, 7:04 PM CDT (00:04 UTC)
Expired
Sep 23, 2023, 7:30 PM CDT
In force
26 min
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

County St. Clair County, MO

The radar

The Pleasant Hill radar (KEAX), 93 km from the middle of the area, began a volume at 00:05 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
Sep 23, 7:25 PM CDTTSTM WND DMGRoscoe, MODelayed report of large tree down on SW 101 and 82 near Roscoe. Time estimated from radar.

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Sep 23, 1:02 PM CDTSevere Thunderstorm WatchSPC8 hr
Sep 23, 5:35 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 0.1 hours before the alert went out and 127 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, Springfield, MO at 00:00Z on 2023-09-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1235 joules per kilogram.LCLLFCEL10008507005003002001001 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, Springfield, MO at 00:00Z on 2023-09-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 176 square meters per square second.193958Sfc1 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
1235 J/kg
Mixed-layer CIN
-105 J/kg
Mixed-layer LCL
1296 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
176 m²/s²
0-3 km storm-relative helicity
283 m²/s²
Significant tornado parameter
0.7
Supercell composite
8.4

Open this sounding in Storm Lab

The text

As transmitted.

366 
WFUS53 KSGF 240004
TORSGF
MOC185-240030-
/O.NEW.KSGF.TO.W.0021.230924T0004Z-230924T0030Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Springfield MO
704 PM CDT Sat Sep 23 2023

The National Weather Service in Springfield has issued a

* Tornado Warning for...
  Central St. Clair County in west central Missouri...

* Until 730 PM CDT.
    
* At 703 PM CDT, a severe thunderstorm capable of producing a tornado
  was located 10 miles southeast of Appleton City, or 14 miles
  northeast of El Dorado Springs, moving east at 25 mph.

  HAZARD...Tornado and quarter size hail.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* Locations impacted include...
  Truman Lake, Osceola, Lowry City, Roscoe, Vista, Johnson City,
  Taberville and Monegaw Springs.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3797 9401 3817 9398 3817 9357 3794 9359
TIME...MOT...LOC 0003Z 275DEG 20KT 3807 9392 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

Wise

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 23, 7:21 PM CDTSevere Thunderstorm WarningSGFCedar, Hickory, Polk, St. Clair54 min
Sep 23, 7:25 PM CDTTornado WarningSGFHickory, St. Clair23 min
Sep 23, 7:46 PM CDTSevere Thunderstorm WarningSGFCedar, Dade, Hickory, Polk59 min
Sep 23, 7:52 PM CDTTornado WarningSGFHickory, Polk16 min
Sep 23, 8:07 PM CDTSevere Thunderstorm WarningSGFBarton, Cedar, Dade, Vernon38 min
Sep 23, 8:17 PM CDTSevere Thunderstorm WarningSGFDallas, Greene, Webster58 min
Sep 23, 8:36 PM CDTSevere Thunderstorm WarningSGFDade, Lawrence39 min
Sep 23, 8:44 PM CDTSevere Thunderstorm WarningSGFBarton61 min
Sep 23, 9:08 PM CDTSevere Thunderstorm WarningSGFChristian, Greene, Webster46 min
Sep 23, 9:20 PM CDTAreal Flood AdvisorySGFChristian, Dade, Greene, Lawrence, Webster6 hr
Sep 23, 9:20 PM CDTSpecial Weather StatementSGFVernon55 min
Sep 23, 9:28 PM CDTSevere Thunderstorm WarningSGFVernon62 min
Sep 23, 9:50 PM CDTFlash Flood WarningSGFGreene6 hr
Sep 23, 10:12 PM CDTSpecial Weather StatementSGFChristian48 min
Sep 23, 10:18 PM CDTSevere Thunderstorm WarningSGFBarton, Vernon57 min
Sep 23, 10:24 PM CDTFlash Flood WarningSGFChristian6 hr
Sep 23, 10:28 PM CDTFlash Flood WarningSGFDade, Lawrence6 hr
Sep 23, 10:57 PM CDTFlash Flood WarningSGFBarry, Christian, Stone, Taney6 hr
Sep 23, 11:12 PM CDTFlash Flood WarningSGFBarton, Vernon6 hr
Sep 23, 11:24 PM CDTFlash Flood Warning Considerable damage threatSGFChristian6 hr
Sep 24, 1:09 AM CDTFlash Flood WarningSGFMcDonald, Newton6 hr
Sep 24, 3:00 AM CDTAreal Flood WarningSGFBarry, Barton, Christian, Dade, Greene, Jasper and 3 more17 hr
Sep 24, 6:49 AM CDTAreal Flood WarningSGFMcDonald, Newton13 hr

Nearby

Tornado Warnings in Missouri, 2023Every tornado warning in 2023Tornadoes 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.