Alert archive / Missouri / Special Weather Statements in 2018

Special Weather Statement, NWS Springfield, MO

May 20, 2018Newton County, Missouri

NWS Springfield, MO issued this special weather statement at May 20, 2018, 3:11 PM CDT for Newton County, Missouri. It was in force for 49 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 20, 2018, 3:11 PM CDT (20:11 UTC)
Expired: May 20, 2018, 4:00 PM CDT
In force: 49 min
Issued by: NWS Springfield, MO

County Newton County, MO

The radar

The Springfield radar (KSGF), 102 km from the middle of the area, began a volume at 20:14 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, 8.2 hours before the alert went out and 61 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: 1422 J/kg
Mixed-layer CIN: -74 J/kg
Mixed-layer LCL: 1014 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 159 m²/s²
0-3 km storm-relative helicity: 154 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 5.3

Open this sounding in Storm Lab

The text

As transmitted.

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at May 20, 3:05 PM CDT, 6 minutes earlier.

Area forecast discussion, May 20, 3:05 PM CDT, 6 minutes before

Area Forecast Discussion
National Weather Service Springfield MO
305 PM CDT Sun May 20 2018

.SHORT TERM...(This evening through Monday)
Issued at 158 PM CDT Sun May 20 2018

In a bit of a lull right now with morning convection having
stabilized conditions. Convection is firing along a distinct
outflow boundary over northeast AR. The boundary becomes less
distinct has farther to west into NW AR. Another shortwave that
extends form south central KS into central OK will shift northeast
with lift increasing over the area, especially the western cwfa
late this afternoon and this early this evening. MLCAPE values off
the HRRR reach 1000-1500 j/kg with around 30kts 0-6km bulk shear
which would support multicell or possibly supercells with a large
hail and damaging wind risk for a few hours before the wave lifts
off to the northeast. Questions still consist of how long
convection will linger into the eastern counties overnight. Have
raised rain chances using a blend of cams/short term guidance.

In general, Monday looks more quiet with weak mid level height
rises.

.LONG TERM...(Monday Night through Sunday)
Issued at 158 PM CDT Sun May 20 2018

Mid level shortwave ridging and height rises are expected through
midweek as an upstream closed upper low moves into the western
CONUS. Can't rule out some diurnally driven isolated pulse
convection through midweek, but coverage looks limited. The
western upper trough opens up and lifts well northwest of the
area. Late in the week a blocking upper level pattern develops
with a slow moving upper low moving north out of the Gulf of
Mexico and another moving east from the western CONUS. Chaotic
upper level flow doesn't generate much confidence in the forecast.
May see an uptick in diurnal convection late in the period, but
no major systems are expected.

&&

.AVIATION...(For the 12Z TAFS through 12Z Monday morning)
Issued at 636 AM CDT Sun May 20 2018

KSGF/KJLN/KBBG tafs: An upper level disturbance will move
northeast from OK with scattered thunderstorms developing or
moving into the area late this afternoon (toward 22z). Have tempo
groups for the most likely time frame. Guidance shows chances for
lower ceilings (IFR or low end MVFR ceilings) for a few hours
toward 12z. Outside of thunderstorms, winds will generally be
light.

&&

.SGF WATCHES/WARNINGS/ADVISORIES...
MO...NONE.
KS...NONE.
&&

SHORT TERM...DSA
LONG TERM...DSA
AVIATION...Burchfield

Hazardous weather outlook, May 20, 1:01 PM CDT, 2 hours 10 minutes before

Hazardous Weather Outlook
National Weather Service Springfield MO
101 PM CDT Sun May 20 2018

KSZ073-097-101-MOZ055>058-066>071-077>083-088>098-101>106-211815-
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-
101 PM CDT Sun May 20 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...

  Elevated hail risk.
  Elevated thunderstorm wind damage risk.
  Limited flooding risk.
  Elevated lightning risk.

DISCUSSION...

Scattered thunderstorms are expected to develop across
northeastern Oklahoma and northern Arkansas early this afternoon
and shift northeast into the Missouri Ozarks from mid to late
afternoon. Some of these storms may be severe with hail to the
size of half dollars and damaging wind gusts possible. Frequent
lightning and locally heavy rainfall can also be expected with
these storms. The threat for severe storms will begin to diminish
by late evening.

Due to recent heavy rainfall, the potential for flooding will
persist into tonight mainly from extreme southeastern Kansas into
west-central Missouri.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Isolated to scattered thunderstorms are possible Monday and
Tuesday mainly across far southern Missouri. Severe thunderstorms
are not expected at this time.

Additional thunderstorm chances will occur from mid week into the
weekend.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed across the Missouri Ozarks from
the middle of this afternoon through this evening.

&&

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

Schaumann

In the hours before

Local storm report, May 20, 2:20 PM CDT, 51 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
220 PM CDT SUN MAY 20 2018

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0249 PM     HAIL             SUMMERSVILLE            37.18N 91.66W
05/19/2018  E1.00 INCH       TEXAS              MO   PUBLIC

            DELAYED REPORT, TIME ESTIMATED BY RADAR.

&&

FEH

Local storm report, May 20, 2:47 PM CDT, 24 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
247 PM CDT SUN MAY 20 2018

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0610 PM     TSTM WND DMG     GRAVOIS MILLS           38.31N 92.83W
05/19/2018                   MORGAN             MO   PUBLIC

            A PATH OF 20 TO 30 TREES WERE REPORTED DOWN
            WITH ONE FALLING ON AN OUT BUILDING. REPORT
            FROM SOCIAL MEDIA. DELAYED REPORT, TIME
            ESTIMATED BY RADAR.

&&

FEH

Local storm report, May 20, 2:50 PM CDT, 21 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
250 PM CDT SUN MAY 20 2018

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0600 AM     TSTM WND DMG     SENECA                  36.84N 94.61W
05/20/2018                   NEWTON             MO   LAW ENFORCEMENT

            PART OF A LARGE TREE FELL ON POWER LINES
            KNOCKING OUT POWER TO SEVERAL HOMES. DELAYED
            REPORT.

&&

FEH

Local storm report, May 20, 3:08 PM CDT, 3 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
308 PM CDT SUN MAY 20 2018

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1227 AM     HAIL             1 NNE PITTSBURG         37.42N 94.70W
05/20/2018  E1.00 INCH       CRAWFORD           KS   LAW ENFORCEMENT

            DIME TO QUARTER SIZE HAIL FELL IN TOWN.
            DELAYED REPORT.

&&

FEH

Local storm report, May 20, 3:10 PM CDT, 1 minute before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
310 PM CDT SUN MAY 20 2018

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0625 PM     TORNADO          2 NW PLEASANT HOPE      37.48N 93.30W
05/19/2018                   POLK               MO   NWS STORM SURVEY

            OUTBUILDINGS DAMAGED AND TREES UPROOTED.
            PATH WIDTH 100 YARDS. PATH LENGTH 2.3 MILES.
            DAMAGE TRACK ENDED 2 MILES NNE OF PLEASANT
            HOPE. THIS IS ONE OF TWO BRIEF TORNADOES TO
            STRIKE THE PLEASANT HOPE AREA. THE DURATION
            OF THE TORNADO EVENT WAS 5 MINUTES.

&&

DSA

Special weather statement, May 20, 3:11 PM CDT, 0 minutes before

Special Weather Statement
National Weather Service Springfield MO
311 PM CDT SUN MAY 20 2018

MOZ093-202100-
Newton MO-
311 PM CDT SUN MAY 20 2018

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN NEWTON COUNTY UNTIL
400 PM CDT...

At 311 PM CDT, Doppler radar was tracking a strong thunderstorm near
Seneca, or 7 miles west of Neosho, moving north at 35 mph.

Dime size hail and wind gusts up to 50 mph will be possible with this
storm.

Locations impacted include...
Southern Joplin...                Diamond...
Loma Linda...                     Leawood...
Silver Creek...                   Shoal Creek Drive...
Saginaw...                        Redings Mill...
Grand Falls Plaza...              Shoal Creek Estates...
Dennis Acres...                   Cliff Village...
Racine...

This includes the following highways...
 Interstate 44 between mile markers 2 and 7.
 Interstate 49 between mile markers 24 and 35.

LAT...LON 3685 9456 3705 9460 3705 9421 3684 9448
TIME...MOT...LOC 2011Z 198DEG 29KT 3689 9451

Wise

The office that day

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

Issued	Product	Office	Counties	Lasted
May 19, 7:06 PM CDT	Areal Flood Advisory	SGF	Benton, Morgan	5 hr
May 19, 7:34 PM CDT	Special Weather Statement	SGF	Dent, Laclede, Maries, Miller, Phelps, Pulaski	56 min
May 19, 8:13 PM CDT	Severe Thunderstorm Warning	SGF	Texas, Wright	47 min
May 19, 8:38 PM CDT	Special Weather Statement	SGF	Dent	52 min
May 19, 8:42 PM CDT	Special Weather Statement	SGF	Wright	63 min
May 19, 8:47 PM CDT	Severe Thunderstorm Warning	SGF	Texas, Wright	43 min
May 19, 9:01 PM CDT	Special Weather Statement	SGF	Texas	44 min
May 19, 9:27 PM CDT	Areal Flood Advisory	SGF	Texas	6 hr
May 19, 9:34 PM CDT	Special Weather Statement	SGF	Shannon	56 min
May 19, 10:42 PM CDT	Special Weather Statement	SGF	Shannon	48 min
May 19, 10:52 PM CDT	Severe Thunderstorm Warning	SGF	Texas	38 min
May 19, 11:03 PM CDT	Flash Flood Warning	SGF	Shannon, Texas	6 hr
May 20, 12:54 AM CDT	Severe Thunderstorm Warning	SGF	Barton, Jasper	51 min
May 20, 1:35 AM CDT	Special Weather Statement	SGF	Barton, Cedar, Dade	40 min
May 20, 2:34 AM CDT	Flash Flood Warning	SGF	Benton	12 hr
May 20, 4:54 AM CDT	Areal Flood Advisory	SGF	Howell, Shannon, Texas	6 hr
May 20, 5:16 AM CDT	Severe Thunderstorm Warning	SGF	Jasper, McDonald, Newton	59 min
May 20, 6:06 AM CDT	River Flood Warning	SGF	Shannon	15 hr
May 20, 6:07 AM CDT	Special Weather Statement	SGF	Barton, Dade, Jasper, Lawrence, McDonald, Newton	53 min
May 20, 6:38 AM CDT	Special Weather Statement	SGF	Barry, Christian, Dade, Greene, Polk	52 min
May 20, 8:22 AM CDT	Special Weather Statement	SGF	Laclede, Maries, Miller, Morgan, Phelps, Pulaski	53 min
May 20, 9:02 AM CDT	Flash Flood Warning	SGF	Benton, Camden, Hickory, Morgan, St. Clair	6 hr
May 20, 9:13 AM CDT	Severe Thunderstorm Warning	SGF	Maries, Phelps	32 min
May 20, 10:33 AM CDT	Areal Flood Warning	SGF	Barton, Vernon	24 hr
May 20, 10:49 AM CDT	River Flood Warning	SGF	Vernon	3 days
May 20, 10:49 AM CDT	River Flood Warning	SGF	Vernon	3 days
May 20, 3:48 PM CDT	Special Weather Statement	SGF	Jasper	42 min
May 20, 3:53 PM CDT	Special Weather Statement	SGF	Jasper	52 min
May 20, 4:37 PM CDT	Special Weather Statement	SGF	Cedar	53 min
May 20, 4:39 PM CDT	Special Weather Statement	SGF	Stone	51 min
May 20, 4:54 PM CDT	Severe Thunderstorm Warning	SGF	Cedar	24 min
May 20, 5:20 PM CDT	Special Weather Statement	SGF	Stone	40 min
May 20, 5:39 PM CDT	Special Weather Statement	SGF	St. Clair	51 min
May 20, 5:52 PM CDT	Special Weather Statement	SGF	Christian	38 min
May 20, 6:08 PM CDT	Severe Thunderstorm Warning	SGF	Benton, Hickory	52 min
May 20, 6:19 PM CDT	Severe Thunderstorm Warning	SGF	Christian, Douglas, Taney	56 min
May 20, 6:43 PM CDT	Severe Thunderstorm Warning	SGF	Ozark, Taney	47 min
May 20, 6:48 PM CDT	Special Weather Statement	SGF	Camden	42 min
May 20, 12:22 AM CDT	Severe Thunderstorm Warning	SGF	Cherokee, Crawford	38 min
May 20, 4:29 AM CDT	Special Weather Statement	SGF	Crawford	46 min
May 20, 3:12 PM CDT	Severe Thunderstorm Warning	SGF	Cherokee	34 min

Nearby

Special Weather Statements in Missouri, 2018 Every special weather statement 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.