Alert archive / Missouri / Areal Flood Warnings in 2017

Areal Flood Warning 40, NWS Springfield, MO

May 11, 2017Barry County, Lawrence County, Missouri

NWS Springfield, MO issued this areal flood warning at May 11, 2017, 9:51 PM CDT for Barry County, Lawrence County, Missouri. It was in force for 12 hr. 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 11, 2017, 9:51 PM CDT (02:51 UTC)
Expired: May 12, 2017, 9:45 AM CDT
In force: 12 hr
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Flood severity: None

Counties Barry County, MO, Lawrence County, MO

The radar

The Springfield radar (KSGF), 53 km from the middle of the area, began a volume at 02:53 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.

What forecasters said that day

The local office's own words before this areal flood 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 areal flood warning went out at May 11, 7:09 PM CDT, 2 hours 42 minutes earlier.

Area forecast discussion, May 11, 7:09 PM CDT, 2 hours 42 minutes before

Area Forecast Discussion
National Weather Service Springfield MO
709 PM CDT Thu May 11 2017

.SHORT TERM...(This evening through Friday)
Issued at 210 PM CDT Thu May 11 2017

Currently seeing a break in the thunderstorm activity early this
afternoon, with clearing occurring across the southern portions
of the CWA. This has allowed temperatures to quickly warm into the
mid 70s where sun has broken through. Combined with dewpoints in
the mid to upper 60s, 2000-2500 J/kg of MLCAPE is in place across
the region, along with plenty of deep layer shear.

Convection has already started to develop across northeastern
Oklahoma, and should continue to expand in coverage toward the
north and east this afternoon and this evening. This initial
convection will yield a wind and especially a hail threat, with
very steep mid level lapse rates suggesting hail up to 2" in
diameter. There will also be a conditional tornado threat with any
storm that is able to move along the front or a mesoscale
boundary.

Convection will continue to develop into and through the evening
hours, and along with the severe weather threat, a localized flood
threat will be possible as well where multiple storms train over
the same area.

Convective intensity should begin to diminish late this evening,
though occasional rain and thunderstorms will continue through the
night as the upper level low swings through the area.

Rain will then end from northwest to southeast on Friday as the
front sweeps across. Temperatures tomorrow will be cooler, with
highs in the upper 60s and low 70s. Skies will gradually clear
through the day, eventually becoming clear by evening.

.LONG TERM...(Friday Night through Thursday)
Issued at 210 PM CDT Thu May 11 2017

Beautiful conditions are then expected on Saturday as high
pressure builds into the region. Temperatures will be right around
average with light winds and clear skies. Southerly winds will
start to kick in on Sunday, helping to boost temperatures back
to around 80. Warm weather is then expected through at least mid
week, as southerly flow dominates. Rain chances really don't look
to increase again until at least mid week, or perhaps later.

&&

.AVIATION...(For the 00Z TAFS through 00Z Friday evening)
Issued at 707 PM CDT Thu May 11 2017

KSGF/KJLN/KBBG tafs: Scattered thunderstorms will occur with a
frontal passage over the next few hours. Lower ceilings will
occur behind the front with mvfr/ifr ceilings expected.
Improvement is expected late in the taf period as clouds lift and
scatter out.

&&

.SGF WATCHES/WARNINGS/ADVISORIES...
MO...Flash Flood Watch until 3 AM CDT Friday for MOZ077-079>083-
     088>098-101>106.

KS...Flash Flood Watch until 3 AM CDT Friday for KSZ097-101.

&&

SHORT TERM...Boxell
LONG TERM...Boxell
AVIATION...DSA

Hazardous weather outlook, May 11, 9:28 PM CDT, 23 minutes before

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In the hours before

Local storm report, May 11, 8:27 PM CDT, 1 hour 24 minutes before

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Local storm report, May 11, 8:31 PM CDT, 1 hour 20 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
831 PM CDT THU MAY 11 2017

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

0820 PM     FLASH FLOOD      RACINE                  36.89N 94.53W
05/11/2017                   NEWTON             MO   911 CALL CENTER

            HIGHWAY CC FLOODED AND IMPASSIBLE AT LOST
            CREEK.

&&

DSA

Local storm report, May 11, 9:34 PM CDT, 17 minutes before

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Local storm report, May 11, 9:37 PM CDT, 14 minutes before

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Local storm report, May 11, 9:42 PM CDT, 9 minutes before

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Local storm report, May 11, 9:49 PM CDT, 2 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 11, 9:15 PM CDT	Areal Flood Warning	SGF	Newton	6 hr
May 12, 12:02 AM CDT	River Flood Warning	SGF	Vernon	61 hr
May 12, 12:02 AM CDT	River Flood Warning	SGF	Cedar	58 hr
May 12, 8:54 AM CDT	Areal Flood Warning	SGF	Cherokee, Crawford	12 hr

Nearby

Areal Flood Warnings in Missouri, 2017 Every areal flood warning 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; radar from the NEXRAD Level II archive.