Alert archive / Missouri / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 379, NWS Springfield, MO

September 19, 2024Cedar County, St. Clair County, Vernon County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Sep 19, 2024, 5:58 PM CDT for Cedar County, St. Clair County, Vernon County, Missouri. It was in force for 32 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Sep 19, 2024, 5:58 PM CDT (22:58 UTC)
Expired
Sep 19, 2024, 6:30 PM CDT
In force
32 min
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Cedar County, MO, St. Clair County, MO, Vernon County, MO

The radar

The Springfield radar (KSGF), 88 km from the middle of the area, began a volume at 23:01 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 watch it was issued in

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

IssuedProductOfficeLasted
Sep 19, 5:29 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 11.0 hours before the alert went out and 424 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, Norman, OK at 12:00Z on 2024-09-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 478 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Norman, OK at 12:00Z on 2024-09-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 257 square meters per square second.19395878Sfc1 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
478 J/kg
Mixed-layer CIN
-244 J/kg
Mixed-layer LCL
1183 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
257 m²/s²
0-3 km storm-relative helicity
323 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.4

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Springfield, MO wrote its last area forecast discussion before this severe thunderstorm warning went out at Sep 19, 2:05 PM CDT, 3 hours 53 minutes earlier.

Area forecast discussion, Sep 19, 2:05 PM CDT, 3 hours 53 minutes before
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Hazardous weather outlook, Sep 19, 2:20 PM CDT, 3 hours 38 minutes before
Hazardous Weather Outlook
National Weather Service Springfield MO
220 PM CDT Thu Sep 19 2024

KSZ073-097-101-MOZ055>058-066>071-077>083-088>098-101>106-201930-
Bourbon-Crawford-Cherokee-Benton-Morgan-Miller-Maries-Vernon-
St. Clair-Hickory-Camden-Pulaski-Phelps-Barton-Cedar-Polk-Dallas-
Laclede-Texas-Dent-Jasper-Dade-Greene-Webster-Wright-Newton-
Lawrence-Christian-Douglas-Howell-Shannon-McDonald-Barry-Stone-
Taney-Ozark-Oregon-
220 PM CDT Thu Sep 19 2024

This Hazardous Weather Outlook is for portions of the Missouri
Ozarks and extreme southeast Kansas.

.DAY ONE...Today and Tonight.

Weather hazards expected...

  Marginal hail risk.
  Slight thunderstorm wind damage risk.
  Limited lightning risk.
  Limited excessive heat risk.

DISCUSSION...

There is a Slight (2 of 5) Risk for severe weather in extreme
southeast Kansas and portions of Vernon County, Missouri. There
is also a Marginal (1 of 5) Risk for much of west Missouri. These
storms will generally be isolated to scattered in coverage this
afternoon and evening. The main hazards will be lightning with
isolated instances of wind gusts up to 60 mph, and hail up to the
size of half dollars.

Heat Index values will reach the 95 to 100 F range today west of
Highway 65.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

Chances for showers and thunderstorms increase over the weekend
(35-75% chance Saturday and Sunday). Lightning will be the main
hazard. Severe weather is not currently expected, however, severe
weather chances could increase as confidence increases over the
next few forecasts.

Heat index values Friday will be in the 95 to 105 F range. Values
will be in the 90 to 100 F range Saturday. The higher values will
be west of Highway 65.

.SPOTTER INFORMATION STATEMENT...

 Spotter activation is not expected to be needed tonight.

&&

More detailed information can be accessed at:
http://www.weather.gov/sgf/dsspacket

This product in graphical format...along with other weather...
hydrological and climate information...at
http://www.weather.gov/sgf

Lindenberg

In the hours before

Special weather statement, Sep 19, 5:40 PM CDT, 18 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Sep 19, 5:40 PM CDTSpecial Weather StatementSGFVernon35 min
Sep 19, 6:29 PM CDTSpecial Weather StatementSGFCedar31 min
Sep 19, 6:20 PM CDTSpecial Weather StatementSGFBourbon40 min
Sep 19, 6:43 PM CDTSpecial Weather StatementSGFCrawford17 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2024Every severe thunderstorm warning in 2024

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.