Alert archive / Missouri / Flash Flood Warnings in 2021

Flash Flood Warning 2, NWS Springfield, MO

January 25, 20217 counties in Missouri

NWS Springfield, MO issued this flash flood warning at Jan 25, 2021, 6:44 AM CST for 7 counties in Missouri. It was in force for 3 hr. 1 report 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: Jan 25, 2021, 6:44 AM CST (12:44 UTC)
Expired: Jan 25, 2021, 9:45 AM CST
In force: 3 hr
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Flood severity: None

Counties Camden County, MO, Dallas County, MO, Laclede County, MO, Maries County, MO, Miller County, MO, Phelps County, MO, Pulaski County, MO

The radar

The Springfield radar (KSGF), 115 km from the middle of the area, began a volume at 12:47 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

Time	Report	Where	Remark
Jan 25, 9:00 AM CST	FLASH FLOOD	Decaturville, MO	DRY CREEK CROSSING NEAR DECATURVILLE WAS FLOODED OVER, WHITE CAPPING. FROM ZERO TO 8 TO 10 FEET INCREASE IN WATER LEVEL. ROAD CLOSED. TIME ESTIMATED.

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, 0.7 hours before the alert went out and 166 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 509 m above ground
0-6 km bulk shear: 91 kt
0-1 km storm-relative helicity: 222 m²/s²
0-3 km storm-relative helicity: 638 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

715 
WGUS53 KSGF 251244
FFWSGF
MOC029-059-105-125-131-161-169-251545-
/O.NEW.KSGF.FF.W.0002.210125T1244Z-210125T1545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Springfield MO
644 AM CST Mon Jan 25 2021

The National Weather Service in Springfield has issued a

* Flash Flood Warning for...
  Southern Camden County in central Missouri...
  Southern Maries County in central Missouri...
  Southeastern Miller County in central Missouri...
  Pulaski County in central Missouri...
  Phelps County in east central Missouri...
  Eastern Dallas County in southwestern Missouri...
  Laclede County in southwestern Missouri...

* Until 945 AM CST.

* At 644 AM CST, Doppler radar and automated rain gauges indicated 
  thunderstorms producing heavy rain. Between 1 and 2 inches of rain 
  have fallen. Additional rainfall amounts up to 1 inch are possible 
  in the warned area. Flash flooding is already occurring on Route 
  CC southwest of Rolla.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar and automated gauges.

  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...
  Rolla, Fort Leonard Wood, Lebanon, Waynesville, Camdenton, St. 
  Robert, St. James and Richland.

This includes the following highways...
	Interstate 44 between mile markers 114 and 138...and
	between mile markers 139 and 169...and
	between mile markers 171 and 199.

This includes the following low water crossings...
  Route FF at Bear Creek east of Stoutland, Route H, 3 miles 
  northwest of Stoutland, Springfield Road south of Waynesville, 
  Route HH at Bell Creek east of Crocker, Route U at Tavern Creek 
  west of Crocker, Route T northwest of Waynesville and Route H at 
  Roubidoux Creek south of Waynesville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3795 9305 3799 9295 3804 9285 3806 9255
      3808 9218 3812 9154 3782 9156 3779 9176
      3779 9177 3779 9178 3779 9181 3778 9181
      3761 9225 3758 9233 3753 9285 3751 9301
      3788 9300

FLASH FLOOD...RADAR AND GAUGE INDICATED

$$

MMT

1 follow-up statement

705 
WGUS73 KSGF 251249
FFSSGF

Flash Flood Statement
National Weather Service Springfield MO
649 AM CST Mon Jan 25 2021

MOC029-059-105-125-131-161-169-251545-
/O.CON.KSGF.FF.W.0002.000000T0000Z-210125T1545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Camden MO-Dallas MO-Laclede MO-Maries MO-Miller MO-Phelps MO-
Pulaski MO-
649 AM CST Mon Jan 25 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 945 AM CST THIS 
MORNING FOR SOUTHERN CAMDEN, SOUTHERN MARIES, SOUTHEASTERN MILLER, 
PULASKI, PHELPS, EASTERN DALLAS AND LACLEDE COUNTIES...

At 649 AM CST, Doppler radar and automated rain gauges indicated 
thunderstorms producing heavy rain across the warned area. Between 1 
and 2 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 and automated gauges.

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

This includes the following low water crossings...
  Route FF at Bear Creek east of Stoutland, Route H, 3 miles 
  northwest of Stoutland, Springfield Road south of Waynesville, 
  Route HH at Bell Creek east of Crocker, Route U at Tavern Creek 
  west of Crocker, Route T northwest of Waynesville and Route H at 
  Roubidoux Creek south of Waynesville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3795 9305 3799 9295 3804 9285 3806 9255
      3808 9218 3812 9154 3782 9156 3779 9176
      3779 9177 3779 9178 3779 9181 3778 9181
      3761 9225 3758 9233 3753 9285 3751 9301
      3788 9300

FLASH FLOOD...RADAR AND GAUGE INDICATED

$$

MMT

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 24, 9:36 PM CST	Flash Flood Watch	SGF	Barry, Christian, Douglas, Greene, Howell, Jasper and 11 more	14 hr
Jan 25, 3:28 AM CST	Flash Flood Warning	SGF	Barry, Christian, McDonald, Newton, Stone	6 hr
Jan 25, 3:36 AM CST	Special Weather Statement	SGF	Shannon	39 min
Jan 25, 7:49 AM CST	Flash Flood Warning	SGF	Christian, Douglas, Laclede, Webster, Wright	3 hr
Jan 25, 9:15 AM CST	Flash Flood Warning	SGF	Howell, Shannon, Texas	3 hr
Jan 25, 9:22 AM CST	Areal Flood Warning	SGF	Barry, Christian, Newton, Stone	5 hr
Jan 25, 9:34 AM CST	Areal Flood Warning	SGF	Camden, Dallas, Laclede, Maries, Miller, Phelps and 1 more	5 hr
Jan 25, 10:44 AM CST	Areal Flood Warning	SGF	Christian, Douglas, Laclede, Webster, Wright	4 hr
Jan 25, 12:16 PM CST	Areal Flood Warning	SGF	Howell, Texas	6 hr
Jan 25, 12:47 PM CST	River Flood Warning	SGF	Shannon	16 hr
Jan 25, 2:08 PM CST	Areal Flood Advisory	SGF	Barry, Christian, Dallas, Greene, Stone, Taney and 1 more	14 hr
Jan 25, 2:23 PM CST	Areal Flood Advisory	SGF	Christian, Douglas, Laclede, Webster, Wright	14 hr
Jan 25, 5:39 PM CST	River Flood Warning	SGF	Pulaski	29 hr
Jan 25, 5:40 PM CST	River Flood Warning	SGF	Pulaski	17 hr

Nearby

Flash Flood Warnings in Missouri, 2021 Every 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.