Alert archive / Missouri / Flash Flood Warnings in 2021

Flash Flood Warning 59, NWS Springfield, MO

June 28, 2021Morgan County, Missouri

NWS Springfield, MO issued this flash flood warning at Jun 28, 2021, 5:23 PM CDT for Morgan County, Missouri. It was in force for 3 hr. 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 28, 2021, 5:23 PM CDT (22:23 UTC)
Expired
Jun 28, 2021, 8:40 PM CDT
In force
3 hr
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Flood severity
None

County Morgan County, MO

The radar

The Springfield radar (KSGF), 135 km from the middle of the area, began a volume at 22:26 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, 10.4 hours before the alert went out and 184 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 2021-06-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1005 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 12:00Z on 2021-06-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 2 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
1005 J/kg
Mixed-layer CIN
-34 J/kg
Mixed-layer LCL
754 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
2 m²/s²
0-3 km storm-relative helicity
21 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted.

709 
WGUS53 KSGF 282223
FFWSGF
MOC141-290430-
/O.NEW.KSGF.FF.W.0059.210628T2223Z-210629T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Springfield MO
523 PM CDT Mon Jun 28 2021

The National Weather Service in Springfield has issued a

* Flash Flood Warning for...
  Morgan County in central Missouri...

* Until 1130 PM CDT Monday.

* At 523 PM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across eastern Morgan County. Flash flooding is ongoing 
  or expected to begin shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar.

  IMPACT...Flash flooding of small creeks and streams, urban
           areas, highways, streets and underpasses as well as
           other poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
  Versailles, Laurie, Sunrise Beach, Barnett, Gravois Mills, Rocky 
  Mount and Lake of The Ozarks.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Many flood 
deaths occur in vehicles.

&&

LAT...LON 3824 9300 3854 9293 3867 9285 3866 9284
      3860 9284 3843 9263 3835 9265 3835 9269
      3822 9270 3822 9274 3821 9276 3819 9276
      3820 9284 3823 9295

FLASH FLOOD...RADAR INDICATED

$$

SR
1 follow-up statement
202 
WGUS73 KSGF 290140
FFSSGF

Flash Flood Statement
National Weather Service Springfield MO
840 PM CDT Mon Jun 28 2021

MOC141-290150-
/O.CAN.KSGF.FF.W.0059.000000T0000Z-210629T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Morgan MO-
840 PM CDT Mon Jun 28 2021

...FLASH FLOOD WARNING IS CANCELLED FOR MORGAN COUNTY...

Flood waters have receded from thunderstorms that produced heavy 
rain late this afternoon. Flooding is no longer expected to pose a 
threat.

Additional thunderstorms may develop overnight into Tuesday and a  
Flash Flood Watch remains in effect for portions of the region until 
700 PM CDT Tuesday.

LAT...LON 3824 9300 3854 9293 3867 9285 3866 9284
      3860 9284 3843 9263 3835 9265 3835 9269
      3822 9270 3822 9274 3821 9276 3819 9276
      3820 9284 3823 9295

$$

SR

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 27, 10:59 PM CDTSpecial Weather StatementSGFVernon31 min
Jun 28, 6:25 AM CDTAreal Flood AdvisorySGFJasper, Newton3 hr
Jun 28, 8:41 AM CDTFlash Flood WarningSGFJasper, Newton102 min
Jun 28, 10:21 AM CDTAreal Flood WarningSGFJasper, Newton5 hr
Jun 28, 2:13 PM CDTFlash Flood WarningSGFVernon6 hr
Jun 28, 3:19 PM CDTFlash Flood WarningSGFBarton, Dade, Jasper, Lawrence, McDonald, Newton5 hr
Jun 28, 6:38 PM CDTFlash Flood WarningSGFCamden, Miller2 hr

Nearby

Flash Flood Warnings in Missouri, 2021Every flash flood warning in 2021

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.