Alert archive / Missouri / Special Weather Statements in 2017

Special Weather Statement, NWS Springfield, MO

June 23, 2017Dade County, Missouri

NWS Springfield, MO issued this special weather statement at Jun 23, 2017, 11:13 AM CDT for Dade County, Missouri. It was in force for 47 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: Jun 23, 2017, 11:13 AM CDT (16:13 UTC)
Expired: Jun 23, 2017, 12:00 PM CDT
In force: 47 min
Issued by: NWS Springfield, MO

County Dade County, MO

The radar

The Springfield radar (KSGF), 38 km from the middle of the area, began a volume at 16:17 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, 4.2 hours before the alert went out and 65 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: 1414 J/kg
Mixed-layer CIN: -60 J/kg
Mixed-layer LCL: 794 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 44 m²/s²
0-3 km storm-relative helicity: 16 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Jun 23, 6:53 AM CDT, 4 hours 20 minutes earlier.

Area forecast discussion, Jun 23, 6:53 AM CDT, 4 hours 20 minutes before

Area Forecast Discussion
National Weather Service Springfield MO
653 AM CDT Fri Jun 23 2017

.SHORT TERM...(Today and tonight)

The Ozarks was positioned between the residual circulation of
Tropical Storm Cindy and an approaching frontal boundary to the
northwest. Other than a couple of sprinkles in Oregon County, most
of the Ozarks Region remained dry overnight. Temperatures were
generally in the 70s within high humidity.

For today, the cold front will surge across the region bringing
showers and thunderstorms. There is an instability - shear
combination in southwest Missouri for a marginal risk for
organized thunderstorms. Damaging wind gusts will be the primary
risk with the strongest storms. The window for severe storms will
occur between noon and 3pm. Otherwise the severe threat will shift
into Arkansas during the late afternoon and early evening hours.

.LONG TERM...(Saturday through Thursday)

Beyond this evening, the forecast appears to be quiet for the next
several days. Northwest flow will set up across the nations
midsection, bringing a dry continental airmass to the Ozarks. This
will keep Gulf moisture at bay, as temperatures stay cooler than
normal for late June.

The next signal for rain chances occurs Monday morning as a weak
baroclinic zone sets up across southwest Missouri. We could see
some weak convection along this feature through Monday.

We finally get into some zonal flow Tuesday night into Wednesday.
Weak shortwave troughs pass through the area, possibly sparking
off a few showers.

There are no indications of a summertime high pressure system
to build over the Ozarks anytime soon. Therefore temperatures in
the 80s and lower 90s are expected.

&&

.AVIATION...(For the 12Z TAFS through 12Z Saturday morning)
Issued at 641 AM CDT Fri Jun 23 2017

KSGF/KJLN/KBBG tafs: Some fog/low stratus (IFR) early,
particularly at Branson, will burn off fairly quickly. A sfc front
will move through with some scattered shower/tstms near and just
behind the front with some mvfr ceilings possible. The latter half
of the taf cycle is expected to be vfr with drier air behind the
front.

&&

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

SHORT TERM...Cramer
LONG TERM...Cramer
AVIATION...DSA

Hazardous weather outlook, Jun 23, 8:30 AM CDT, 2 hours 43 minutes before

Hazardous Weather Outlook
National Weather Service Springfield MO
830 AM CDT Fri Jun 23 2017

KSZ073-097-101-MOZ055>058-066>071-077>083-088>098-101>106-241330-
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-
830 AM CDT Fri Jun 23 2017

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

.DAY ONE...Today and Tonight.

Weather hazards expected...

  Limited Thunderstorm wind damage risk.
  Elevated Lightning risk.

DISCUSSION...

A few thunderstorms are expected today as a frontal boundary
approaches from the northwest. There is a limited risk for a few
organized thunderstorms that could contain wind gusts up to 60 mph
over portions of southwest Missouri.

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

Thunderstorms will be possible next Tuesday night through
Thursday as an upper level disturbance passes over the region.

.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

Griffin

In the hours before

Special weather statement, Jun 23, 11:13 AM CDT, 0 minutes before

Special Weather Statement
National Weather Service Springfield MO
1113 AM CDT FRI JUN 23 2017

MOZ079-089-090-231700-
Polk MO-Greene MO-Dade MO-
1113 AM CDT FRI JUN 23 2017

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN POLK...NORTHWESTERN
GREENE AND NORTHEASTERN DADE COUNTIES UNTIL NOON CDT...

At 1112 AM CDT, Doppler radar was tracking a strong thunderstorm 7
miles northeast of Greenfield, moving southeast at 30 mph.

Wind gusts up to 50 mph and small hail will be possible with this
storm.

Locations impacted include...
Stockton Lake...                  Ash Grove...
Walnut Grove...                   Morrisville...
Dadeville...                      Eudora...
Neola...                          Bona...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3749 9389 3758 9379 3757 9369 3748 9339
      3728 9356
TIME...MOT...LOC 1612Z 308DEG 21KT 3751 9377

Wise

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 23, 11:57 AM CDT	Special Weather Statement	SGF	Greene	48 min
Jun 23, 12:19 PM CDT	Severe Thunderstorm Warning	SGF	Christian, Greene, Webster	41 min
Jun 23, 12:32 PM CDT	Areal Flood Advisory	SGF	Christian, Greene, Lawrence, Stone	4 hr
Jun 23, 1:01 PM CDT	Special Weather Statement	SGF	Taney	44 min
Jun 23, 1:23 PM CDT	Areal Flood Advisory	SGF	Stone, Taney	4 hr
Jun 23, 1:30 PM CDT	Severe Thunderstorm Warning	SGF	Douglas, Howell, Ozark, Taney	60 min
Jun 23, 2:10 PM CDT	Areal Flood Advisory	SGF	Douglas, Howell, Ozark	4 hr
Jun 23, 6:49 PM CDT	Areal Flood Advisory	SGF	Douglas, Howell, Ozark	4 hr

Nearby

Special Weather Statements in Missouri, 2017 Every special weather statement in 2017

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.