Alert archive / Missouri / Flash Flood Warnings in 2022

Flash Flood Warning 49, NWS Springfield, MO

August 29, 2022Greene County, Webster County, Missouri

NWS Springfield, MO issued this flash flood warning at Aug 29, 2022, 3:37 PM CDT for Greene County, Webster County, Missouri. It was in force for 6 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
Aug 29, 2022, 3:37 PM CDT (20:37 UTC)
Expired
Aug 29, 2022, 9:45 PM CDT
In force
6 hr
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Flood severity
None

Counties Greene County, MO, Webster County, MO

The radar

The Springfield radar (KSGF), 38 km from the middle of the area, began a volume at 20:36 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
Aug 29, 9:43 PM CDTHEAVY RAIN 34 Sse Niangua, MOMESONET STATION FW9730 4 SSE NIANGUA.
Aug 29, 9:45 PM CDTHEAVY RAIN 3.921 Sw Marshfield, MOMESONET STATION FW8938 MARSHFIELD.
Aug 29, 9:50 PM CDTHEAVY RAIN 2.283 Nne Northview, MOMESONET STATION CW2303 4 WSW MARSHFIELD.

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 12:00Z, 8.6 hours before the alert went out and 85 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 2022-08-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2092 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 2022-08-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 172 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
2092 J/kg
Mixed-layer CIN
-87 J/kg
Mixed-layer LCL
947 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
172 m²/s²
0-3 km storm-relative helicity
178 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

030 
WGUS53 KSGF 292037
FFWSGF
MOC077-225-300245-
/O.NEW.KSGF.FF.W.0049.220829T2037Z-220830T0245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Springfield MO
337 PM CDT Mon Aug 29 2022

The National Weather Service in Springfield has issued a

* Flash Flood Warning for...
  East Central Greene County in southwestern Missouri...
  Northern Webster County in southwestern Missouri...

* Until 945 PM CDT Monday.

* At 337 PM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1 and 3 inches of rain 
  have fallen. The expected rainfall rate is 1 to 3 inches in 1 
  hour. 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...
  Northeastern Springfield, Marshfield, Strafford, Niangua, Duncan, 
  Northview, Rader and Turners.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3716 9317 3718 9322 3725 9322 3732 9308
      3739 9294 3748 9269 3735 9269 3733 9269
      3727 9269 3725 9301 3722 9306

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL RATE...1-3 INCHES IN 1 HOUR

$$

KP
2 follow-up statements
859 
WGUS73 KSGF 292138
FFSSGF

Flash Flood Statement
National Weather Service Springfield MO
438 PM CDT Mon Aug 29 2022

MOC077-225-300245-
/O.CON.KSGF.FF.W.0049.000000T0000Z-220830T0245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Greene MO-Webster MO-
438 PM CDT Mon Aug 29 2022

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 945 PM CDT THIS 
EVENING FOR EAST CENTRAL GREENE AND CENTRAL WEBSTER COUNTIES...

At 438 PM CDT, Doppler radar indicated thunderstorms producing heavy 
rain across the warned area. Between 1 and 3 inches of rain have 
fallen. Additional rainfall amounts up to 1 inch 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...
  Northeastern Springfield, Marshfield, Strafford, Niangua, 
  Northview and Turners.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3716 9317 3718 9322 3725 9322 3732 9308
      3739 9294 3741 9269 3735 9269 3733 9269
      3730 9273 3728 9302 3722 9311

FLASH FLOOD...RADAR INDICATED

$$

KP
244 
WGUS73 KSGF 300240
FFSSGF

Flash Flood Statement
National Weather Service Springfield MO
940 PM CDT Mon Aug 29 2022

MOC077-225-300250-
/O.EXP.KSGF.FF.W.0049.000000T0000Z-220830T0245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Greene MO-Webster MO-
940 PM CDT Mon Aug 29 2022

...FLASH FLOOD WARNING WILL EXPIRE AT 945 PM CDT THIS EVENING FOR 
EAST CENTRAL GREENE AND CENTRAL WEBSTER COUNTIES...

The heavy rain has ended. Flooding is no longer expected to pose a 
threat. An Areal Flood Warning continues for south-central Greene 
County until 9 AM Tuesday morning. Please continue to heed remaining 
road closures.

LAT...LON 3716 9317 3718 9322 3725 9322 3732 9308
      3739 9294 3741 9269 3735 9269 3733 9269
      3730 9273 3728 9302 3722 9311

$$

ML

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 29, 11:34 AM CDTSevere Thunderstorm WarningSGFBarton21 min
Aug 29, 12:47 PM CDTSevere Thunderstorm WarningSGFCedar43 min
Aug 29, 1:13 PM CDTSevere Thunderstorm WarningSGFTaney50 min
Aug 29, 1:53 PM CDTSevere Thunderstorm WarningSGFWebster, Wright29 min
Aug 29, 1:55 PM CDTSevere Thunderstorm WarningSGFGreene, Webster65 min
Aug 29, 2:09 PM CDTSevere Thunderstorm WarningSGFGreene, Webster66 min
Aug 29, 2:21 PM CDTSevere Thunderstorm WarningSGFStone, Taney39 min
Aug 29, 2:47 PM CDTFlash Flood WarningSGFGreene6 hr
Aug 29, 2:55 PM CDTFlash Flood WarningSGFDent7 hr
Aug 29, 2:59 PM CDTSevere Thunderstorm WarningSGFChristian, Greene46 min
Aug 29, 3:01 PM CDTSevere Thunderstorm WarningSGFChristian44 min
Aug 29, 3:07 PM CDTFlash Flood WarningSGFStone6 hr
Aug 29, 3:12 PM CDTSevere Thunderstorm WarningSGFLaclede48 min
Aug 29, 3:20 PM CDTFlash Flood WarningSGFChristian, Greene, Stone7 hr
Aug 29, 3:24 PM CDTFlash Flood Warning Considerable damage threatSGFGreene3 hr
Aug 29, 3:50 PM CDTSevere Thunderstorm WarningSGFDent, Phelps, Texas40 min
Aug 29, 4:35 PM CDTSpecial Weather StatementSGFShannon25 min
Aug 29, 4:38 PM CDTSpecial Weather StatementSGFBarry37 min
Aug 29, 4:54 PM CDTAreal Flood AdvisorySGFDent, Shannon, Texas5 hr
Aug 29, 5:04 PM CDTAreal Flood AdvisorySGFBarry, Stone5 hr
Aug 29, 5:30 PM CDTFlash Flood WarningSGFShannon5 hr
Aug 29, 6:36 PM CDTFlash Flood WarningSGFOregon4 hr

Nearby

Flash Flood Warnings in Missouri, 2022Every flash flood warning in 2022

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.