Alert archive / Missouri / Flash Flood Warnings in 2021

Flash Flood Warning 9, NWS Springfield, MO

March 13, 2021McDonald County, Missouri

NWS Springfield, MO issued this flash flood warning at Mar 13, 2021, 3:52 AM CST for McDonald County, Missouri. It was in force for 6 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
Mar 13, 2021, 3:52 AM CST (09:52 UTC)
Expired
Mar 13, 2021, 10:21 AM CST
In force
6 hr
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Damage threat
Considerable
Flood severity
None

County McDonald County, MO

The radar

The Springfield radar (KSGF), 110 km from the middle of the area, began a volume at 09:51 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
Mar 13, 7:42 AM CSTFLASH FLOOD1 E Anderson, MOFLASH FLOODING OCCURRED ACROSS SEVERAL AREAS OF THE CITY OF ANDERSON. BEAVER BRANCH AND INDIAN CREEK FLOODED OUT OF THEIR BANKS AND CAUSED ROADS TO BECOME IMPASSABLE. INDIAN CREEK CONTINUED TO RISE AT THE TIME OF THIS LSR.

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, 9.9 hours before the alert went out and 61 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 2021-03-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 joules per kilogram.LCLEL10008507005003002001001 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 2021-03-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 384 square meters per square second.1939587897117Sfc1 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
2 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
477 m above ground
0-6 km bulk shear
77 kt
0-1 km storm-relative helicity
384 m²/s²
0-3 km storm-relative helicity
380 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

270 
WGUS53 KSGF 130952
FFWSGF
MOC119-131645-
/O.NEW.KSGF.FF.W.0009.210313T0952Z-210313T1645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Springfield MO
352 AM CST Sat Mar 13 2021

The National Weather Service in Springfield has issued a

* Flash Flood Warning for...
  North Central McDonald County in southwestern Missouri...

* Until 1045 AM CST Saturday.

* At 352 AM CST, Doppler radar indicated thunderstorms producing 
  heavy rain across the Indian Creek basin and Beaver Branch basin. 
  Between 2 and 4 inches of rain have fallen. Additional rainfall 
  amounts of 1 to 3 inches are possible in the warned area. Flash 
  flooding is already occurring. Rapid rises along Beaver Branch and 
  Indian Creek near the city of Anderson are likely.

  HAZARD...Life threatening flash flooding. Thunderstorms
           producing flash flooding.

  SOURCE...Radar.

  IMPACT...Life threatening flash flooding of creeks and streams,
           urban areas, highways, streets and underpasses.

* Some locations that will experience flash flooding include...
  Anderson, Goodman and Lanagan.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3673 9442 3673 9438 3672 9436 3669 9436
      3666 9438 3664 9441 3662 9443 3659 9445
      3660 9446 3663 9446 3667 9446 3671 9445

FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

$$

DC
2 follow-up statements
636 
WGUS73 KSGF 131338
FFSSGF

Flash Flood Statement
National Weather Service Springfield MO
738 AM CST Sat Mar 13 2021

MOC119-131645-
/O.CON.KSGF.FF.W.0009.000000T0000Z-210313T1645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
McDonald MO-
738 AM CST Sat Mar 13 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1045 AM CST THIS 
MORNING FOR NORTH CENTRAL MCDONALD COUNTY...

At 738 AM CST, Doppler radar indicated heavy rain across the warned 
area. Between 3 and 4 inches of rain have fallen. Flash flooding is 
already occurring along Indian Creek and Beaver Branch. Numerous 
roads are flooded and impassable in Anderson. Light to moderate rain 
will continue, however, rain is expected to dissipate later today.

HAZARD...Life threatening flash flooding. Heavy rain producing
         flash flooding.

SOURCE...Radar.

IMPACT...Life threatening flash flooding of creeks and streams,
         urban areas, highways, streets and underpasses.

Some locations that will experience flash flooding include...
  Anderson, Lanagan.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3673 9442 3673 9438 3672 9436 3669 9436
      3666 9438 3664 9441 3662 9443 3659 9445
      3660 9446 3663 9446 3667 9446 3671 9445

FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

$$

DC
740 
WGUS73 KSGF 131621
FFSSGF

Flash Flood Statement
National Weather Service Springfield MO
1021 AM CST Sat Mar 13 2021

MOC119-131631-
/O.CAN.KSGF.FF.W.0009.000000T0000Z-210313T1645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
McDonald MO-
1021 AM CST Sat Mar 13 2021

...FLASH FLOOD WARNING IS CANCELLED FOR NORTH CENTRAL MCDONALD 
COUNTY...

Another flash flood warning is in effect for all of McDonald County. 
Please continue to heed remaining road closures.

A Flood Watch remains in effect until 600 PM CST Saturday for 
Portions of southeast Kansas. Portions of Missouri.

LAT...LON 3673 9442 3673 9438 3672 9436 3669 9436
      3666 9438 3664 9441 3662 9443 3659 9445
      3660 9446 3663 9446 3667 9446 3671 9445

$$

MMT

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 12, 6:52 PM CSTSpecial Weather StatementSGFPolk23 min
Mar 12, 8:27 PM CSTAreal Flood WarningSGFCamden, Dent, Laclede, Maries, Miller, Phelps and 3 more15 hr
Mar 12, 9:34 PM CSTAreal Flood WarningSGFGreene14 hr
Mar 12, 11:48 PM CSTAreal Flood WarningSGFBenton, Cedar, Dade, Hickory, Lawrence, St. Clair and 1 more12 hr
Mar 13, 12:36 AM CSTFlash Flood WarningSGFNewton8 hr
Mar 13, 12:56 AM CSTAreal Flood WarningSGFDent, Howell, Oregon, Shannon, Texas, Wright12 hr
Mar 13, 12:59 AM CSTAreal Flood WarningSGFDouglas, Ozark, Webster12 hr
Mar 13, 1:15 AM CSTFlash Flood WarningSGFMcDonald8 hr
Mar 13, 1:25 AM CSTAreal Flood WarningSGFBarry, Christian, Stone, Taney12 hr
Mar 13, 3:04 AM CSTAreal Flood WarningSGFMcDonald8 hr
Mar 13, 3:37 AM CSTFlash Flood Warning Considerable damage threatSGFNewton7 hr
Mar 13, 4:12 AM CSTAreal Flood WarningSGFBarton, Cedar, Jasper7 hr
Mar 13, 9:13 AM CSTFlash Flood WarningSGFMcDonald3 hr
Mar 13, 9:29 AM CSTAreal Flood WarningSGFCamden, Dallas, Hickory, Laclede, Miller, Morgan and 1 more118 min
Mar 13, 11:00 AM CSTAreal Flood WarningSGFCamden, Dallas, Dent, Laclede, Phelps, Pulaski and 3 more24 hr
Mar 13, 11:24 AM CSTAreal Flood WarningSGFCedar, Dade, Dallas, Greene, Hickory, Lawrence and 2 more24 hr
Mar 13, 11:31 AM CSTAreal Flood WarningSGFBarton, Jasper, McDonald, Newton23 hr
Mar 13, 12:46 PM CSTAreal Flood WarningSGFDouglas, Howell, Oregon, Ozark, Shannon, Texas and 2 more22 hr
Mar 13, 12:59 PM CSTAreal Flood WarningSGFBarry, Christian, Greene, Stone, Taney22 hr
Mar 13, 1:15 PM CSTRiver Flood WarningSGFJasper18 hr
Mar 13, 3:26 PM CSTRiver Flood WarningSGFMcDonald16 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.