Alert archive / Missouri / Flash Flood Warnings in 2021

Flash Flood Warning 5, NWS Springfield, MO

January 30, 2021Barry County, Missouri

NWS Springfield, MO issued this flash flood warning at Jan 30, 2021, 5:11 PM CST for Barry County, Missouri. It was in force for 8 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
Jan 30, 2021, 5:11 PM CST (23:11 UTC)
Expired
Jan 31, 2021, 1:00 AM CST
In force
8 hr
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Flood severity
None

County Barry County, MO

The radar

The Springfield radar (KSGF), 62 km from the middle of the area, began a volume at 23:12 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, 11.2 hours before the alert went out and 15 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 2021-01-30Temperature 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 12:00Z on 2021-01-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 481 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
827 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
481 m²/s²
0-3 km storm-relative helicity
593 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

779 
WGUS53 KSGF 302311
FFWSGF
MOC009-310700-
/O.NEW.KSGF.FF.W.0005.210130T2311Z-210131T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Springfield MO
511 PM CST Sat Jan 30 2021

The National Weather Service in Springfield has issued a

* Flash Flood Warning for...
  Central Barry County in southwestern Missouri...

* Until 100 AM CST Sunday.

* At 511 PM CST, Doppler radar indicated thunderstorms producing 
  heavy rain across the Flat Creek basin. Between 0.5 and 1 inch of 
  rain has fallen. Additional rainfall amounts of 0.5 to 1 inch are 
  possible in the warned area. Flash flooding is ongoing or expected 
  to begin shortly, particularly along Flat Creek near Highway C and 
  Highway U.

  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...
  Cassville, Butterfield, Mcdowell and Jenkins.

This includes the following low water crossings...
  Route U, 8 miles east of Purdy and Route C just south of Mcdowell.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3677 9366 3675 9369 3678 9376 3675 9379
      3671 9380 3669 9387 3670 9392 3674 9391
      3682 9389 3686 9384 3685 9378 3681 9371

FLASH FLOOD...RADAR INDICATED

$$

DC
2 follow-up statements
853 
WGUS73 KSGF 310342
FFSSGF

Flash Flood Statement
National Weather Service Springfield MO
942 PM CST Sat Jan 30 2021

MOC009-310700-
/O.CON.KSGF.FF.W.0005.000000T0000Z-210131T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Barry MO-
942 PM CST Sat Jan 30 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1 AM CST SUNDAY FOR 
CENTRAL BARRY COUNTY...

At 942 PM CST, Doppler radar indicated that excessive rainfall 
occurred earlier today within the Flat Creek Basin. Between 0.5 and 
1.5 inches of rain has fallen. Flash flooding is ongoing or expected 
to begin shortly in areas within the Flat Creek Basin.

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...
  Butterfield, Mcdowell and Jenkins.

This includes the following low water crossings...
  Route U, 8 miles east of Purdy and Route C just south of Mcdowell.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3677 9366 3675 9369 3678 9376 3675 9379
      3671 9380 3669 9387 3670 9392 3674 9391
      3682 9389 3686 9384 3685 9378 3681 9371

FLASH FLOOD...RADAR INDICATED

$$

DC
212 
WGUS73 KSGF 310657
FFSSGF

Flash Flood Statement
National Weather Service Springfield MO
1257 AM CST Sun Jan 31 2021

MOC009-310707-
/O.EXP.KSGF.FF.W.0005.000000T0000Z-210131T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Barry MO-
1257 AM CST Sun Jan 31 2021

...FLASH FLOOD WARNING AT 1 AM CST EARLY THIS MORNING FOR CENTRAL 
BARRY COUNTY HAS BEEN REPLACED WITH A FLOOD WARNING...

LAT...LON 3677 9366 3675 9369 3678 9376 3675 9379
      3671 9380 3669 9387 3670 9392 3674 9391
      3682 9389 3686 9384 3685 9378 3681 9371

$$

MB

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 30, 9:19 AM CSTRiver Flood WatchSGFVernon16 hr
Jan 30, 3:30 PM CSTTornado WarningSGFNewton30 min
Jan 30, 3:45 PM CSTTornado WarningSGFJasper, Newton30 min
Jan 30, 3:51 PM CSTTornado WarningSGFBarry, Lawrence, Newton24 min
Jan 30, 4:10 PM CSTTornado WarningSGFMcDonald, Newton35 min
Jan 30, 4:34 PM CSTSevere Thunderstorm WarningSGFChristian, Greene, Lawrence23 min
Jan 30, 4:44 PM CSTTornado WarningSGFBarry31 min

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.