Alert archive / Missouri / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 204, NWS Springfield, MO

July 23, 2013Webster County, Wright County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Jul 23, 2013, 7:37 PM CDT for Webster County, Wright County, Missouri. It was in force for 38 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
Jul 23, 2013, 7:37 PM CDT (00:37 UTC)
Expired
Jul 23, 2013, 8:15 PM CDT
In force
38 min
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

Counties Webster County, MO, Wright County, MO

The radar

The Springfield radar (KSGF), 65 km from the middle of the area, began a volume at 00:40 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
Jul 23, 3:02 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 0.6 hours before the alert went out and 108 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 2013-07-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2629 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, Springfield, MO at 00:00Z on 2013-07-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 30 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
2629 J/kg
Mixed-layer CIN
-39 J/kg
Mixed-layer LCL
1440 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
30 m²/s²
0-3 km storm-relative helicity
87 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.4

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 Jul 23, 6:51 PM CDT, 46 minutes earlier.

Area forecast discussion, Jul 23, 6:51 PM CDT, 46 minutes before
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Hazardous weather outlook, Jul 23, 3:46 PM CDT, 3 hours 51 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SPRINGFIELD MO
346 PM CDT TUE JUL 23 2013

KSZ073-097-101-MOZ055>058-066>071-077>083-088>098-101>106-242100-
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-
346 PM CDT TUE JUL 23 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF THE MISSOURI
OZARKS AND EXTREME SOUTHEAST KANSAS.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

WEATHER HAZARDS EXPECTED...

  ELEVATED HAIL RISK.
  ELEVATED THUNDERSTORM WIND DAMAGE RISK.
  ELEVATED LIGHTNING RISK.
  LIMITED EXCESSIVE HEAT RISK.

DISCUSSION...

  ISOLATED TO SCATTERED THUNDERSTORMS WILL CONTINUE TO DEVELOP
  ACROSS PORTIONS OF THE MISSOURI OZARKS INCLUDING SOUTH CENTRAL
  MISSOURI THROUGH EARLY THIS EVENING. ADDITIONAL THUNDERSTORM
  DEVELOPMENT IS EXPECTED FROM PORTIONS OF EASTERN KANSAS INTO
  SOUTHWESTERN MISSOURI THIS EVENING AND OVERNIGHT.

  STRONG INSTABILITY WILL SUPPORT THE POTENTIAL OF STRONG TO
  SEVERE THUNDERSTORMS THROUGH THIS EVENING. THE MOST INTENSE
  STORMS WILL BE CAPABLE OF PRODUCING LARGE HAIL TO THE SIZE OF
  PING PONG BALLS AND DAMAGING WINDS IN EXCESS OF 60 MPH. FREQUENT
  LIGHTNING AND HEAVY RAINFALL WILL ALSO ACCOMPANY THESE STORMS.

  HEAT INDEX VALUES WILL REACH THE MID 90S TO NEAR 100 DEGREES IN
  MANY AREAS THIS AFTERNOON PRIOR TO THUNDERSTORM DEVELOPMENT.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

  SCATTERED THUNDERSTORMS MAY BE ONGOING OVER PARTS OF THE AREA
  WEDNESDAY MORNING. SOME STRONG TO SEVERE STORMS MAY REDEVELOP
  ACROSS FAR SOUTHERN MISSOURI DURING THE AFTERNOON.

  ADDITIONAL CHANCES FOR THUNDERSTORMS WILL OCCUR LATE THURSDAY
  NIGHT INTO FRIDAY...AND AGAIN FROM SUNDAY NIGHT INTO EARLY NEXT
  WEEK.

.SPOTTER INFORMATION STATEMENT...

  SPOTTER ACTIVATION MAY BE NEEDED THROUGH THIS EVENING ACROSS FAR
  SOUTHERN MISSOURI AND EXTREME SOUTHEASTERN KANSAS.

&&

THIS PRODUCT IS NOW AVAILABLE IN GRAPHICAL FORMAT...ALONG WITH
OTHER WEATHER...HYDROLOGICAL AND CLIMATE INFORMATION...AT
HTTP://WWW.CRH.NOAA.GOV/SGF(ALL LOWERCASE)

FOSTER

In the hours before

Local storm report, Jul 23, 5:26 PM CDT, 2 hours 11 minutes before
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Local storm report, Jul 23, 5:27 PM CDT, 2 hours 10 minutes before
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Special weather statement, Jul 23, 5:56 PM CDT, 1 hour 41 minutes before
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Local storm report, Jul 23, 6:07 PM CDT, 1 hour 30 minutes before
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Local storm report, Jul 23, 6:19 PM CDT, 1 hour 18 minutes before
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Special weather statement, Jul 23, 6:56 PM CDT, 41 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 23, 7:29 PM CDTSpecial Weather StatementSGFWebster46 min
Jul 23, 8:42 PM CDTSevere Thunderstorm WarningSGFBarry48 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2013Every severe thunderstorm warning in 2013

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.