Alert archive / Missouri / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 113, NWS Springfield, MO

May 23, 2018Cedar County, Vernon County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at May 23, 2018, 5:11 PM CDT for Cedar County, Vernon County, Missouri. It was in force for 31 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
May 23, 2018, 5:11 PM CDT (22:11 UTC)
Expired
May 23, 2018, 5:42 PM CDT
In force
31 min
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Cedar County, MO, Vernon County, MO

The radar

The Springfield radar (KSGF), 81 km from the middle of the area, began a volume at 22:11 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

Springfield, MO (KSGF), launched 12:00Z, 10.2 hours before the alert went out and 96 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 12:00Z on 2018-05-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 720 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 12:00Z on 2018-05-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -35 square meters per square second.1939Sfc1 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
720 J/kg
Mixed-layer CIN
-34 J/kg
Mixed-layer LCL
837 m above ground
0-6 km bulk shear
2 kt
0-1 km storm-relative helicity
-35 m²/s²
0-3 km storm-relative helicity
-18 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

529 
WUUS53 KSGF 232211
SVRSGF
MOC039-217-232300-
/O.NEW.KSGF.SV.W.0113.180523T2211Z-180523T2300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Springfield MO
511 PM CDT WED MAY 23 2018

The National Weather Service in Springfield has issued a

* Severe Thunderstorm Warning for...
  Western Cedar County in southwestern Missouri...
  Eastern Vernon County in west central Missouri...

* Until 600 PM CDT

* At 511 PM CDT, a severe thunderstorm was located 13 miles southwest
  of Stockton, moving northwest at 20 mph.

  HAZARD...60 mph wind gusts and quarter size hail. 

  SOURCE...Radar indicated. 

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees. 

* Locations impacted include...
  El Dorado Springs...              Montevallo...
  Jerico Springs...                 Filley...
  Wagoner...                        Olympia...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Large hail and damaging winds and continuous cloud to ground
lightning is occurring with this storm. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.

&&

LAT...LON 3784 9417 3790 9407 3790 9398 3784 9393
      3776 9391 3758 9390 3758 9404 3762 9408
      3764 9408 3764 9410 3778 9421
TIME...MOT...LOC 2211Z 142DEG 19KT 3758 9400 

HAIL...1.00IN
WIND...60MPH
 
$$

Cramer
2 follow-up statements
508 
WWUS53 KSGF 232229
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
529 PM CDT WED MAY 23 2018

MOC039-217-232300-
/O.CON.KSGF.SV.W.0113.000000T0000Z-180523T2300Z/
Cedar MO-Vernon MO-
529 PM CDT WED MAY 23 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM CDT
FOR SOUTHWESTERN CEDAR AND SOUTHEASTERN VERNON COUNTIES...

At 529 PM CDT, a severe thunderstorm was located 13 miles east of
Sheldon, or 14 miles west of Stockton, moving northwest at 15 mph.

HAZARD...60 mph wind gusts and quarter size hail. 

SOURCE...Radar indicated. 

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees. 

Locations impacted include...
Montevallo...                     Jerico Springs...
Olympia...                        

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

&&

LAT...LON 3784 9417 3786 9412 3782 9406 3774 9400
      3769 9398 3765 9397 3760 9400 3758 9401
      3758 9404 3762 9408 3764 9408 3764 9410
      3778 9421
TIME...MOT...LOC 2229Z 144DEG 14KT 3762 9405 

HAIL...1.00IN
WIND...60MPH
 
$$

Cramer
679 
WWUS53 KSGF 232242
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
542 PM CDT WED MAY 23 2018

MOC039-217-232252-
/O.CAN.KSGF.SV.W.0113.000000T0000Z-180523T2300Z/
Cedar MO-Vernon MO-
542 PM CDT WED MAY 23 2018

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN CEDAR AND
SOUTHEASTERN VERNON COUNTIES IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore the warning has been cancelled.  However heavy rain is
still possible with this thunderstorm.

LAT...LON 3784 9417 3786 9412 3782 9406 3774 9400
      3769 9398 3765 9397 3760 9400 3758 9401
      3758 9404 3762 9408 3764 9408 3764 9410
      3778 9421
TIME...MOT...LOC 2240Z 142DEG 19KT 3768 9411 

$$

Cramer

The office that day

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

IssuedProductOfficeCountiesLasted
May 23, 2:49 PM CDTSevere Thunderstorm WarningSGFStone, Taney41 min
May 23, 4:31 PM CDTSevere Thunderstorm WarningSGFPolk44 min
May 23, 4:47 PM CDTSevere Thunderstorm WarningSGFDade43 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2018Every severe thunderstorm warning 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.