Alert archive / Missouri / Flash Flood Warnings in 2021

Flash Flood Warning 63, NWS Springfield, MO

June 30, 20214 counties in Missouri

NWS Springfield, MO issued this flash flood warning at Jun 30, 2021, 4:43 PM CDT for 4 counties in 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 30, 2021, 4:43 PM CDT (21:43 UTC)
Expired
Jun 30, 2021, 8:00 PM CDT
In force
3 hr
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Flood severity
None

Counties Christian County, MO, Douglas County, MO, Webster County, MO, Wright County, MO

The radar

The Springfield radar (KSGF), 57 km from the middle of the area, began a volume at 21:45 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, 9.7 hours before the alert went out and 93 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 2021-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 724 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 2021-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 22 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
724 J/kg
Mixed-layer CIN
-31 J/kg
Mixed-layer LCL
1019 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
22 m²/s²
0-3 km storm-relative helicity
26 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

004 
WGUS53 KSGF 302143
FFWSGF
MOC043-067-225-229-010100-
/O.NEW.KSGF.FF.W.0063.210630T2143Z-210701T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Springfield MO
443 PM CDT Wed Jun 30 2021

The National Weather Service in Springfield has issued a

* Flash Flood Warning for...
  Northeastern Christian County in southwestern Missouri...
  Northwestern Douglas County in southwestern Missouri...
  Southeastern Webster County in southwestern Missouri...
  Southwestern Wright County in southwestern Missouri...

* Until 800 PM CDT.

* At 443 PM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1.5 and 2.5 inches of 
  rain have fallen. Additional rainfall amounts of 1 to 2 inches are 
  possible in the warned area. 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...
  Seymour, Mansfield, Diggins, Dogwood, Elkhead and Bruner.

This includes the following low water crossings...
  Route Z at Finley Creek 3 miles southeast of Fordland.
  Highway AB at Wolf Creek south of Hartville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3716 9286 3723 9247 3706 9247 3698 9270
      3701 9305 3705 9306

FLASH FLOOD...RADAR INDICATED

$$

Rothstein
1 follow-up statement
744 
WGUS73 KSGF 010103
FFSSGF

Flash Flood Statement
National Weather Service Springfield MO
803 PM CDT Wed Jun 30 2021

MOC043-067-225-229-010113-
/O.EXP.KSGF.FF.W.0063.000000T0000Z-210701T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Christian MO-Douglas MO-Webster MO-Wright MO-
803 PM CDT Wed Jun 30 2021

...FLASH FLOOD WARNING HAS EXPIRED FOR NORTHEASTERN CHRISTIAN, 
NORTHWESTERN DOUGLAS, SOUTHEASTERN WEBSTER AND SOUTHWESTERN WRIGHT 
COUNTIES...

The heavy rain has ended, but residual flooding will continue 
overnight. Therefore the Flash Flood Warning will be replaced with 
an Areal Flood Warning.

A Flash Flood Watch remains in effect until 700 PM CDT Thursday for 
Portions of southeast Kansas. Portions of Missouri.

LAT...LON 3716 9286 3723 9247 3706 9247 3698 9270
      3701 9305 3705 9306

$$

Rothstein

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 30, 2:56 AM CDTFlash Flood WatchSGFBarry, Barton, Benton, Camden, Cedar, Christian and 26 more40 hr
Jun 30, 2:14 PM CDTSpecial Weather StatementSGFVernon31 min
Jun 30, 2:29 PM CDTSevere Thunderstorm WarningSGFVernon46 min
Jun 30, 2:57 PM CDTSpecial Weather StatementSGFCedar48 min
Jun 30, 3:10 PM CDTAreal Flood AdvisorySGFBarton, Cedar, Vernon3 hr
Jun 30, 4:01 PM CDTFlash Flood WarningSGFCedar, Vernon4 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.