Alert archive / Kansas / Special Weather Statements in 2014

Special Weather Statement, NWS Springfield, MO

June 20, 2014Bourbon County, Kansas

NWS Springfield, MO issued this special weather statement at Jun 20, 2014, 3:35 PM CDT for Bourbon County, Kansas. It was in force for 25 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 20, 2014, 3:35 PM CDT (20:35 UTC)
Expired
Jun 20, 2014, 4:00 PM CDT
In force
25 min
Issued by
NWS Springfield, MO

County Bourbon County, KS

The radar

The Pleasant Hill radar (KEAX), 114 km from the middle of the area, began a volume at 20:36 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, 8.6 hours before the alert went out and 140 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 12:00Z on 2014-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1066 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 12:00Z on 2014-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 70 square meters per square second.1939Sfc1 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
1066 J/kg
Mixed-layer CIN
-47 J/kg
Mixed-layer LCL
987 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
70 m²/s²
0-3 km storm-relative helicity
102 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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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 20, 2:55 PM CDT, 40 minutes earlier.

Area forecast discussion, Jun 20, 2:55 PM CDT, 40 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SPRINGFIELD MO
255 PM CDT Fri Jun 20 2014

.SHORT TERM...(This Evening through Sunday)
Issued at 245 PM CDT FRI JUN 20 2014

Some isolated showers and thunderstorms have developed with very
subtle upper level features, one over southeast OK into western AR
and the other over eastern KS. Any precip is greatly diurnally
driven and is expected to diminish this evening.

Saturday/Sunday look to be near copies of today. Overall, can't rule
out some diurnally driven clusters of showers/thunderstorms with a
somewhat better chance Sunday versus Saturday with lowering mid
level heights.

.LONG TERM...(Sunday Night through Friday)
Issued at 245 PM CDT FRI JUN 20 2014

Guidance has been consistent in bringing a shortwave and associated
front through the region Monday/Monday night. Timing may be slightly
slower with 12z guidance but not significantly so. This period
looks to be the best overall clearly defined chance for precip
during this period.

In general, medium range guidance keeps upper level subtropical
ridging suppressed to the south through midweek but there is no
clear consensus as to where low level baroclinic zones/fronts and
individual shortwaves will set up. By late in the week, larger
scale differences in guidance emerge. In general, a blend of
guidance yields typical small convective rain chances, but nothing
you can really hang your hat on in terms of timing.

&&

.AVIATION...(For the 18Z TAFS through 18Z Saturday Afternoon)
Issued at 1211 PM CDT FRI JUN 20 2014

VFR conditions are expected across the entire area during the
forecast period. Isolated to widely scattered showers and
thunderstorms will be possible along the Missouri-Arkansas border
but confidence is not high enough to include in the KBBG TAF
at this time. Expect primarily southwest winds during the day
backing to more southerly direction during the overnight hours.

&&

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

SHORT TERM...DSA
LONG TERM...DSA
AVIATION...Gaede
Hazardous weather outlook, Jun 20, 3:23 PM CDT, 12 minutes before
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In the hours before

Special weather statement, Jun 20, 3:35 PM CDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
335 PM CDT FRI JUN 20 2014

KSZ073-202100-
BOURBON KS-
335 PM CDT FRI JUN 20 2014

...SIGNIFICANT WEATHER ADVISORY FOR EASTERN BOURBON COUNTY UNTIL 400
PM CDT...

AT 335 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM NEAR DEVON...OR 8 MILES NORTHWEST OF FORT
SCOTT...MOVING SOUTHEAST AT 5 MPH. WINDS AROUND 50 MPH ARE EXPECTED
WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE DEVON...FORT SCOTT...FULTON...HAMMOND...
HARDING...HIATTVILLE...MAPLETON...MARMATON AND REDFIELD.

PEOPLE IN EASTERN BOURBON COUNTY...SHOULD MONITOR THE WEATHER
SITUATION CLOSELY. LISTEN FOR POSSIBLE WARNINGS AND BE PREPARED TO
TAKE APPROPRIATE ACTION SHOULD SEVERE WEATHER THREATEN.

LAT...LON 3774 9462 3771 9496 3787 9497 3799 9493
      3802 9488 3803 9462
TIME...MOT...LOC 2036Z 321DEG 6KT 3794 9477

BOXELL

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 20, 4:41 PM CDTSpecial Weather StatementSGFVernon49 min
Jun 20, 4:48 PM CDTSpecial Weather StatementSGFDouglas27 min
Jun 20, 4:53 PM CDTSevere Thunderstorm WarningSGFDouglas, Wright52 min
Jun 20, 5:29 PM CDTSpecial Weather StatementSGFBarton31 min
Jun 20, 5:42 PM CDTSpecial Weather StatementSGFDouglas, Texas33 min
Jun 20, 6:15 PM CDTSpecial Weather StatementSGFDouglas, Texas60 min
Jun 20, 3:45 PM CDTSevere Thunderstorm WarningSGFBourbon45 min

Nearby

Special Weather Statements in Kansas, 2014Every special weather statement in 2014

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.