Alert archive / Missouri / Frost Advisories in 2018

Frost Advisory 5, NWS Springfield, MO

October 15, 201820 counties in Missouri

NWS Springfield, MO issued this frost advisory at Oct 15, 2018, 3:37 AM CDT for 20 counties in Missouri. It took effect at Oct 16, 2018, 1:00 AM CDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Oct 15, 2018, 3:37 AM CDT (08:37 UTC)
In effect from
Oct 16, 2018, 1:00 AM CDT
Expired
Oct 16, 2018, 9:00 AM CDT
In force
8 hr
Issued by
NWS Springfield, MO

Counties Barry County, MO, Camden County, MO, Christian County, MO, Dallas County, MO, Dent County, MO, Douglas County, MO, Greene County, MO, Laclede County, MO, Lawrence County, MO, Maries County, MO, McDonald County, MO, Miller County, MO, Morgan County, MO, Newton County, MO, Phelps County, MO, Pulaski County, MO, Stone County, MO, Texas County, MO, Webster County, MO, Wright County, MO

The radar

The Springfield radar (KSGF), 52 km from the middle of the area, began a volume at 08:38 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 00:00Z, 8.6 hours before the alert went out and 102 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 2018-10-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2018-10-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 110 square meters per square second.1939587897117Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
465 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
110 m²/s²
0-3 km storm-relative helicity
349 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 frost advisory 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 frost advisory went out at Oct 15, 12:27 AM CDT, 3 hours 10 minutes earlier.

Area forecast discussion, Oct 15, 12:27 AM CDT, 3 hours 10 minutes before
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Hazardous weather outlook, Oct 14, 7:09 PM CDT, 8 hours 28 minutes before
Hazardous Weather Outlook
National Weather Service Springfield MO
709 PM CDT Sun Oct 14 2018

KSZ073-097-101-MOZ055>058-066>071-077>083-088>098-101>106-160015-
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-
709 PM CDT Sun Oct 14 2018

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

.DAY ONE...Tonight.

Weather hazards expected...

  Limited lightning risk.
  Limited non thunderstorm wind risk.

DISCUSSION...

Showers will move into the area this evening and overnight. A few
lightning strikes can not be ruled out across southeast Kansas
and southern Missouri. Gusty north winds up to 35 mph will be
possible tonight as a cold front moves through. The highest gusts
will be across southeast Kansas and western Missouri.

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

There continues to be a strong signal for frost and possibly a
light freeze Monday night.

.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

Cramer

In the hours before

Local storm report, Oct 14, 11:29 PM CDT, 4 hours 8 minutes before
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</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.
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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The office that day

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

IssuedProductOfficeCountiesLasted
Oct 14, 10:38 PM CDTSevere Thunderstorm WarningSGFTexas, Wright37 min
Oct 15, 3:37 AM CDTFreeze WarningSGFBarton, Benton, Camden, Cedar, Dade, Hickory and 7 more29 hr

Nearby

Frost Advisories in Missouri, 2018Every frost advisory 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.