Alert archive / Missouri / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 118, NWS Springfield, MO

May 25, 2018Ozark County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at May 25, 2018, 6:28 PM CDT for Ozark County, Missouri. It was in force for 62 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: May 25, 2018, 6:28 PM CDT (23:28 UTC)
Expired: May 25, 2018, 7:30 PM CDT
In force: 62 min
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Ozark County, MO

The radar

The Springfield radar (KSGF), 107 km from the middle of the area, began a volume at 23:32 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, 11.5 hours before the alert went out and 124 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 740 J/kg
Mixed-layer CIN: -56 J/kg
Mixed-layer LCL: 992 m above ground
0-6 km bulk shear: 11 kt
0-1 km storm-relative helicity: 25 m²/s²
0-3 km storm-relative helicity: 36 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 May 25, 6:26 PM CDT, 2 minutes earlier.

Area forecast discussion, May 25, 6:26 PM CDT, 2 minutes before

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Hazardous weather outlook, May 25, 1:08 PM CDT, 5 hours 20 minutes before

Hazardous Weather Outlook
National Weather Service Springfield MO
108 PM CDT Fri May 25 2018

KSZ073-097-101-MOZ055>058-066>071-077>083-088>098-101>106-261815-
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-
108 PM CDT Fri May 25 2018

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

.DAY ONE...This Afternoon and Tonight.

Weather hazards expected...

  Limited hail risk.
  Limited thunderstorm wind damage risk.
  Significant lightning risk.

DISCUSSION...

Scattered thunderstorms will be possible south of Interstate 44
into the early evening. A few of these storms may become
marginally severe with hail to the size of quarters and winds to
60 mph. Locally heavy downpours will also be possible but
widespread flooding is not expected.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Isolated thunderstorms will then be possible on Saturday and
again around the middle of next week.

Afternoon heat indices will daily climb into the middle to upper
90s...especially from southeastern Kansas into west central
Missouri.

.SPOTTER INFORMATION STATEMENT...

  Spotter activation will not be needed through tonight.

&&

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

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

Runnels

In the hours before

Special weather statement, May 25, 6:02 PM CDT, 26 minutes before

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Local storm report, May 25, 6:09 PM CDT, 19 minutes before

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Special weather statement, May 25, 6:09 PM CDT, 19 minutes before

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Local storm report, May 25, 6:12 PM CDT, 16 minutes before

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Local storm report, May 25, 6:21 PM CDT, 7 minutes before

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Local storm report, May 25, 6:23 PM CDT, 5 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
May 24, 7:05 PM CDT	Areal Flood Advisory	SGF	Greene	3 hr
May 24, 7:39 PM CDT	Areal Flood Advisory	SGF	Vernon	6 hr
May 24, 8:07 PM CDT	Special Weather Statement	SGF	Laclede	38 min
May 24, 8:14 PM CDT	Flash Flood Warning	SGF	Vernon	6 hr
May 25, 3:11 AM CDT	River Flood Warning	SGF	Vernon	67 hr
May 25, 3:45 AM CDT	Areal Flood Warning	SGF	Vernon	7 hr
May 25, 12:49 PM CDT	Special Weather Statement	SGF	Ozark	56 min
May 25, 4:19 PM CDT	Special Weather Statement	SGF	Christian	41 min
May 25, 4:23 PM CDT	Severe Thunderstorm Warning	SGF	Christian, Greene, Webster	52 min
May 25, 4:55 PM CDT	Special Weather Statement	SGF	Texas	50 min
May 25, 4:59 PM CDT	Special Weather Statement	SGF	Webster	46 min
May 25, 5:08 PM CDT	Areal Flood Advisory	SGF	Christian	6 hr
May 25, 5:20 PM CDT	Severe Thunderstorm Warning	SGF	Christian, Douglas, Webster, Wright	40 min
May 25, 5:31 PM CDT	Special Weather Statement	SGF	Dent	59 min
May 25, 5:42 PM CDT	Severe Thunderstorm Warning	SGF	Ozark, Taney	63 min
May 25, 5:48 PM CDT	Areal Flood Advisory	SGF	Laclede, Texas	6 hr
May 25, 5:52 PM CDT	Flash Flood Warning	SGF	Dent, Phelps	6 hr
May 25, 6:02 PM CDT	Special Weather Statement	SGF	Douglas	43 min
May 25, 6:09 PM CDT	Special Weather Statement	SGF	Christian	51 min
May 25, 6:13 PM CDT	Areal Flood Advisory	SGF	Douglas, Ozark, Taney	6 hr
May 25, 6:39 PM CDT	Special Weather Statement	SGF	Greene	51 min
May 24, 7:10 PM CDT	Areal Flood Advisory	SGF	Bourbon, Crawford	6 hr

Nearby

Severe Thunderstorm Warnings in Missouri, 2018 Every 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.