Alert archive / Missouri / Flash Flood Watches in 2019

Flash Flood Watch 17, NWS Springfield, MO

August 7, 201922 counties in Missouri; Bourbon County, Cherokee County, Crawford County, Kansas

NWS Springfield, MO issued this flash flood watch at Aug 7, 2019, 2:24 PM CDT for 22 counties in Missouri; Bourbon County, Cherokee County, Crawford County, Kansas. It took effect at Aug 7, 2019, 7:00 PM CDT. It was in force for 31 hr.

The area

The counties it named.

The facts

Issued
Aug 7, 2019, 2:24 PM CDT (19:24 UTC)
In effect from
Aug 7, 2019, 7:00 PM CDT
Expired
Aug 9, 2019, 2:01 AM CDT
In force
31 hr
Issued by
NWS Springfield, MO
Flood severity
None
All 25 counties

Bourbon County, KS, Cherokee County, KS, Crawford County, KS, Barry County, MO, Barton County, MO, Cedar County, MO, Christian County, MO, Dade County, MO, Dallas County, MO, Douglas County, MO, Greene County, MO, Hickory County, MO, Jasper County, MO, Laclede County, MO, Lawrence County, MO, McDonald County, MO, Newton County, MO, Ozark County, MO, Polk County, MO, St. Clair County, MO, Stone County, MO, Taney County, MO, Vernon County, MO, Webster County, MO, Wright County, MO

The radar

The Springfield radar (KSGF), 22 km from the middle of the area, began a volume at 19:26 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, 7.4 hours before the alert went out and 46 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 2019-08-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 632 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 2019-08-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 114 square meters per square second.193958Sfc1 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
632 J/kg
Mixed-layer CIN
-177 J/kg
Mixed-layer LCL
1611 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
114 m²/s²
0-3 km storm-relative helicity
137 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood watch 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 flash flood watch went out at Aug 7, 12:58 PM CDT, 1 hour 26 minutes earlier.

Area forecast discussion, Aug 7, 12:58 PM CDT, 1 hour 26 minutes before
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Hazardous weather outlook, Aug 7, 1:50 PM CDT, 34 minutes before
Hazardous Weather Outlook
National Weather Service Springfield MO
150 PM CDT Wed Aug 7 2019

KSZ073-097-101-MOZ055>058-066>071-077>083-088>098-101>106-081900-
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-
150 PM CDT Wed Aug 7 2019

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.
  Limited lightning risk.

DISCUSSION...

A few showers and thunderstorms will continue through the rest of
the afternoon. Severe weather is not expected with this activity.
However, additional storms will develop across the region after
midnight tonight. A few of these storms could become severe, with
damaging wind gusts in excess of 60 mph, along with large hail up
to the size of quarters.

There is a limited risk for flash flooding late tonight.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Heavy thunderstorms are expected to be ongoing across the region
Thursday morning, and continuing into the afternoon. A few of
these storms are expected to become severe. There is also an
elevated risk for flash flooding on Thursday, as rainfall rates
will be ideal for excessive rainfall.

Isolated to scattered thunderstorm chances are expected almost on
a daily basis through the weekend and into next week.

Heat index values reaching the mid and upper 90s will be possible
on a daily basis with some readings reaching up to the 100 to 105
degree range by Monday and Tuesday afternoons.

.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

Special weather statement, Aug 7, 9:58 AM CDT, 4 hours 26 minutes before
Special Weather Statement
National Weather Service Springfield MO
958 AM CDT Wed Aug 7 2019

MOZ066-077>079-088>090-094-071545-
Vernon MO-Cedar MO-Polk MO-Barton MO-Greene MO-Jasper MO-Dade MO-
Lawrence MO-
958 AM CDT Wed Aug 7 2019

...SIGNIFICANT WEATHER ADVISORY FOR BARTON...CEDAR...POLK...NORTHERN
LAWRENCE...NORTHWESTERN GREENE...SOUTHEASTERN VERNON...JASPER AND
DADE COUNTIES UNTIL 1045 AM CDT...

At 957 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Weaubleau to 10 miles north of Lockwood to
near Jasper. Movement was southeast at 40 mph.

Penny size hail and wind gusts up to 50 mph will be possible with
these storms.

Locations impacted include...
Carthage...                       Bolivar...
Stockton Lake...                  Stockton State Park...
Pomme de Terre Lake...            Mount Vernon...
Lamar...                          El Dorado Springs...
Stockton...                       Ash Grove...
Greenfield...                     Sarcoxie...
Humansville...                    Lockwood...
Jasper...                         Golden City...
Miller...                         Walnut Grove...
Polk...                           Alba...

This includes the following highways...
 Interstate 44 between mile markers 23 and 45.
 Interstate 49 between mile markers 39 and 72.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

These storms may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 3776 9406 3787 9407 3785 9381 3783 9381
      3783 9357 3781 9357 3780 9320 3764 9318
      3721 9361 3707 9387 3705 9418 3731 9462
      3735 9462
TIME...MOT...LOC 1457Z 321DEG 34KT 3792 9358 3754 9398 3730 9435

Hatch
Special weather statement, Aug 7, 10:37 AM CDT, 3 hours 47 minutes before
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Special weather statement, Aug 7, 11:16 AM CDT, 3 hours 8 minutes before
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Special weather statement, Aug 7, 11:37 AM CDT, 2 hours 47 minutes before
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Special weather statement, Aug 7, 12:01 PM CDT, 2 hours 23 minutes before
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Special weather statement, Aug 7, 1:46 PM CDT, 38 minutes before
Special Weather Statement
National Weather Service Springfield MO
146 PM CDT Wed Aug 7 2019

MOZ097-098-106-071930-
Oregon MO-Howell MO-Shannon MO-
146 PM CDT Wed Aug 7 2019

...SIGNIFICANT WEATHER ADVISORY FOR SOUTH CENTRAL SHANNON...SOUTHERN
HOWELL AND OREGON COUNTIES UNTIL 230 PM CDT...

At 145 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from 6 miles west of Fremont to 8 miles north of
Thayer to Ott. Movement was southeast at 25 mph.

Half inch hail and wind gusts up to 50 mph will be possible with
these storms.

Locations impacted include...
Grand Gulf State Park...          Thayer...
Alton...                          Koshkonong...
Lanton...                         Moody...
Myrtle...                         Wilderness...
Couch...                          Greer...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with these storms, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

&&

A Severe Thunderstorm Watch remains in effect until 800 PM CDT for
south central Missouri.

LAT...LON 3652 9212 3666 9161 3702 9124 3701 9121
      3683 9123 3682 9111 3650 9113 3650 9212
TIME...MOT...LOC 1845Z 310DEG 22KT 3694 9126 3664 9157 3649 9211

Hatch

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 6, 7:33 PM CDTSpecial Weather StatementSGFOregon42 min
Aug 6, 7:52 PM CDTSevere Thunderstorm WarningSGFOregon25 min
Aug 7, 9:06 AM CDTRiver Flood WarningSGFVernon4 days
Aug 7, 9:20 AM CDTSpecial Weather StatementSGFVernon40 min
Aug 7, 9:23 AM CDTSpecial Weather StatementSGFPulaski52 min
Aug 7, 9:46 AM CDTSpecial Weather StatementSGFBenton44 min
Aug 7, 9:58 AM CDTSpecial Weather StatementSGFBarton, Cedar, Dade, Jasper, Lawrence, Polk47 min
Aug 7, 10:07 AM CDTFlash Flood WarningSGFBenton, Morgan6 hr
Aug 7, 10:12 AM CDTSevere Thunderstorm WarningSGFCamden, Morgan32 min
Aug 7, 10:37 AM CDTSpecial Weather StatementSGFCamden, Miller, Pulaski38 min
Aug 7, 11:03 AM CDTSevere Thunderstorm WarningSGFCamden, Pulaski27 min
Aug 7, 11:16 AM CDTSpecial Weather StatementSGFLaclede44 min
Aug 7, 11:25 AM CDTAreal Flood AdvisorySGFCamden, Miller, Pulaski6 hr
Aug 7, 11:31 AM CDTSevere Thunderstorm WarningSGFLaclede, Pulaski, Texas, Wright29 min
Aug 7, 11:37 AM CDTSpecial Weather StatementSGFDent, Phelps38 min
Aug 7, 12:01 PM CDTSpecial Weather StatementSGFShannon, Texas59 min
Aug 7, 1:10 PM CDTSevere Thunderstorm WarningSGFHowell, Ozark29 min
Aug 7, 1:46 PM CDTSpecial Weather StatementSGFOregon44 min
Aug 7, 4:11 PM CDTRiver Flood WarningSGFVernon5 days
Aug 7, 4:11 PM CDTRiver Flood WarningSGFBates, Vernon21 days
Aug 7, 8:50 AM CDTSpecial Weather StatementSGFBourbon40 min
Aug 7, 1:49 PM CDTAreal Flood AdvisorySGFBourbon, Crawford6 hr
Aug 7, 3:26 PM CDTSpecial Weather StatementSGFBourbon34 min
Aug 7, 4:11 PM CDTRiver Flood WarningSGFBourbon61 hr
Aug 7, 4:11 PM CDTRiver Flood WarningSGFBourbon70 hr
Aug 7, 6:15 PM CDTSpecial Weather StatementSGFCrawford30 min

Nearby

Flash Flood Watches in Missouri, 2019Flash Flood Watches in Kansas, 2019Every flash flood watch in 2019

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.