Alert archive / Missouri / Flash Flood Warnings in 2021

Flash Flood Warning 88, NWS Springfield, MO

December 17, 2021Douglas County, Ozark County, Taney County, Missouri

NWS Springfield, MO issued this flash flood warning at Dec 17, 2021, 6:10 PM CST for Douglas County, Ozark County, Taney County, Missouri. It was in force for 5 hr. 3 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Dec 17, 2021, 6:10 PM CST (00:10 UTC)
Expired
Dec 17, 2021, 10:52 PM CST
In force
5 hr
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Flood severity
None

Counties Douglas County, MO, Ozark County, MO, Taney County, MO

The radar

The Springfield radar (KSGF), 89 km from the middle of the area, began a volume at 00:13 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 was reported inside it

TimeReportWhereRemark
Dec 17, 6:59 PM CSTFLASH FLOOD3 E Rome, MOWATER RESCUE AT LOW WATER CROSSING OFF HWY A AND CR 409.
Dec 17, 8:00 PM CSTFLASH FLOOD4 Nnw Brushyknob, MOHWY U CLOSED AT BRYANT CREEK.
Dec 17, 8:00 PM CSTFLASH FLOOD4 Wnw Ava, MOHWY Y CLOSED AT COWSKIN CREEK.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 0.2 hours before the alert went out and 111 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 00:00Z on 2021-12-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 00:00Z on 2021-12-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 320 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
488 m above ground
0-6 km bulk shear
71 kt
0-1 km storm-relative helicity
320 m²/s²
0-3 km storm-relative helicity
240 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

988 
WGUS53 KSGF 180010
FFWSGF
MOC067-153-213-180615-
/O.NEW.KSGF.FF.W.0088.211218T0010Z-211218T0615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Springfield MO
610 PM CST Fri Dec 17 2021

The National Weather Service in Springfield has issued a

* Flash Flood Warning for...
  Douglas County in southwestern Missouri...
  Northern Ozark County in southwestern Missouri...
  East Central Taney County in southwestern Missouri...

* Until 1215 AM CST Saturday.

* At 610 PM CST, Trained weather spotters reported flooding across 
  the warned area. Between 1 and 3 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...Trained spotters reported.

  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...
  Ava, Wasola, Rockbridge, Noble, Squires, Brushyknob, Brixey and 
  Gentryville.

This includes the following low water crossings...
  North Fork River at County Road 278, Bryant Creek at County Road 
  223, Little North Fork River at County Road 916, Beaver Creek at 
  County Road 524 and Pond Fork at County Road 883.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

&&

LAT...LON 3682 9291 3691 9290 3706 9271 3705 9209
      3680 9210 3679 9210 3679 9211 3668 9225
      3666 9246 3659 9266 3666 9298 3681 9276
      3681 9291

FLASH FLOOD...OBSERVED

$$

MB
1 follow-up statement
383 
WGUS73 KSGF 180452
FFSSGF

Flash Flood Statement
National Weather Service Springfield MO
1052 PM CST Fri Dec 17 2021

MOC067-153-213-180502-
/O.CAN.KSGF.FF.W.0088.000000T0000Z-211218T0615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Douglas MO-Ozark MO-Taney MO-
1052 PM CST Fri Dec 17 2021

...FLASH FLOOD WARNING IS CANCELLED FOR DOUGLAS, NORTHERN OZARK AND 
EAST CENTRAL TANEY COUNTIES...

The heavy rain has ended. However water remains high and this Flash 
Flood Warning will be replaced by a Flood warning. Please continue 
to heed remaining road closures.

A Flood Watch remains in effect until 1200 AM CST for portions of 
south central and southwest Missouri.

LAT...LON 3682 9291 3691 9290 3706 9271 3705 9209
      3680 9210 3679 9210 3679 9211 3668 9225
      3666 9246 3659 9266 3666 9298 3681 9276
      3681 9291

$$

JLR

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 17, 6:42 PM CSTFlash Flood WarningSGFBarry4 hr
Dec 17, 7:58 PM CSTRiver Flood WarningSGFPulaski43 hr
Dec 17, 8:08 PM CSTFlash Flood WarningSGFHowell, Texas6 hr
Dec 17, 8:40 PM CSTAreal Flood WarningSGFMcDonald13 hr
Dec 17, 9:25 PM CSTFlash Flood WarningSGFShannon5 hr
Dec 17, 10:58 PM CSTAreal Flood WarningSGFChristian, Douglas, Ozark, Stone, Taney22 hr
Dec 18, 2:00 AM CSTAreal Flood WarningSGFHowell, Oregon, Shannon, Texas19 hr
Dec 18, 3:10 AM CSTAreal Flood AdvisorySGFHowell, Oregon, Ozark7 hr
Dec 18, 3:49 AM CSTAreal Flood AdvisorySGFBarry, Christian, McDonald, Stone3 hr
Dec 18, 7:08 AM CSTRiver Flood WarningSGFShannon13 hr
Dec 18, 7:08 AM CSTRiver Flood WarningSGFShannon12 hr
Dec 18, 7:16 AM CSTAreal Flood WarningSGFBarry, Stone3 hr
Dec 18, 8:36 AM CSTAreal Flood WarningSGFHowell, Oregon12 hr
Dec 18, 9:54 AM CSTAreal Flood WarningSGFBarry8 hr
Dec 18, 9:59 AM CSTAreal Flood WarningSGFMcDonald8 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.