Alert archive / Missouri / Flash Flood Warnings in 2021

Flash Flood Warning 54, NWS Springfield, MO

June 27, 2021McDonald County, Newton County, Missouri

NWS Springfield, MO issued this flash flood warning at Jun 27, 2021, 12:44 AM CDT for McDonald County, Newton 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
Jun 27, 2021, 12:44 AM CDT (05:44 UTC)
Expired
Jun 27, 2021, 7:00 AM CDT
In force
6 hr
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Flood severity
None

Counties McDonald County, MO, Newton County, MO

The radar

The Springfield radar (KSGF), 103 km from the middle of the area, began a volume at 05:46 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
Jun 27, 2:00 AM CDTFLASH FLOOD1 Wnw Neosho, MOEXCESSIVE RAINFALL CAUSED FLASH FLOODING ON SPRING AND MCCORD STREET.

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, 5.7 hours before the alert went out and 57 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 2021-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 342 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 00:00Z on 2021-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 86 square meters per square second.193958Sfc1 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
342 J/kg
Mixed-layer CIN
-25 J/kg
Mixed-layer LCL
997 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
86 m²/s²
0-3 km storm-relative helicity
105 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.3

Open this sounding in Storm Lab

The text

As transmitted.

398 
WGUS53 KSGF 270544
FFWSGF
MOC119-145-271130-
/O.NEW.KSGF.FF.W.0054.210627T0544Z-210627T1130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Springfield MO
1244 AM CDT Sun Jun 27 2021

The National Weather Service in Springfield has issued a

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

* Until 630 AM CDT.

* At 1244 AM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1 and 1.5 inches of 
  rain have fallen. The expected rainfall rate is 2 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. This includes
           High School Branch, Hickory Creek, Indian Creek,
           Beaver Branch, and Elkhorn Creek.

* Some locations that will experience flash flooding include...
  Neosho, Granby, Anderson, Goodman, Diamond, Newtonia, Stella and 
  Stark City.

This includes the following low water crossings...
  Business Highway 60 just north of Neosho, Highway 43 at Buffalo 
  Creek west of Anderson and Route W at Shoal Creek near Ritchey.

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 3677 9462 3676 9442 3705 9441 3705 9418
      3665 9419 3666 9462

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...2-3 INCHES IN 1 HOUR

$$

KP
1 follow-up statement
403 
WGUS53 KSGF 271027
FFWSGF
MOC119-145-271200-
/O.EXT.KSGF.FF.W.0054.000000T0000Z-210627T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Springfield MO
527 AM CDT Sun Jun 27 2021

The National Weather Service in Springfield has extended the

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

* Until 700 AM CDT.

* At 527 AM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 2 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...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...
  Neosho, Granby, Anderson, Goodman, Diamond, Newtonia, Stella and 
  Stark City.

This includes the following low water crossings...
  Business Highway 60 just north of Neosho, Highway 43 at Buffalo 
  Creek west of Anderson and Route W at Shoal Creek near Ritchey.

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 3677 9462 3676 9442 3705 9441 3705 9418
      3665 9419 3666 9462

FLASH FLOOD...RADAR INDICATED

$$

KP

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 26, 11:43 PM CDTFlash Flood WarningSGFNewton7 hr
Jun 27, 6:54 AM CDTAreal Flood WarningSGFMcDonald, Newton10 hr
Jun 27, 12:12 PM CDTSpecial Weather StatementSGFStone33 min
Jun 27, 12:39 PM CDTFlash Flood WarningSGFBarry, Stone4 hr
Jun 27, 12:51 PM CDTSevere Thunderstorm WarningSGFChristian, Stone, Taney24 min
Jun 27, 1:17 PM CDTSpecial Weather StatementSGFChristian28 min
Jun 27, 1:30 PM CDTSevere Thunderstorm WarningSGFChristian, Douglas, Taney45 min
Jun 27, 2:17 PM CDTSevere Thunderstorm WarningSGFDouglas, Laclede, Texas, Webster, Wright43 min
Jun 27, 2:52 PM CDTSevere Thunderstorm WarningSGFDouglas, Howell, Ozark, Texas, Wright38 min
Jun 27, 2:59 PM CDTSevere Thunderstorm WarningSGFLaclede, Pulaski, Texas, Wright46 min
Jun 27, 3:23 PM CDTSevere Thunderstorm WarningSGFMaries, Phelps, Pulaski52 min
Jun 27, 3:29 PM CDTSevere Thunderstorm WarningSGFDouglas, Howell, Ozark, Texas, Wright31 min
Jun 27, 3:43 PM CDTSevere Thunderstorm WarningSGFCamden, Laclede, Maries, Miller, Pulaski47 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.