Alert archive / Missouri / Flash Flood Warnings in 2020

Flash Flood Warning 7, NWS Springfield, MO

February 24, 20206 counties in Missouri

NWS Springfield, MO issued this flash flood warning at Feb 24, 2020, 12:28 PM CST for 6 counties in Missouri. It was in force for 63 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Feb 24, 2020, 12:28 PM CST (18:28 UTC)
Expired
Feb 24, 2020, 1:31 PM CST
In force
63 min
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Flood severity
None

Counties Christian County, MO, Douglas County, MO, Ozark County, MO, Taney County, MO, Webster County, MO, Wright County, MO

The radar

The Springfield radar (KSGF), 69 km from the middle of the area, began a volume at 18:28 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, 6.5 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 2020-02-24Temperature 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 2020-02-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 424 square meters per square second.19395878Sfc1 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
440 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
424 m²/s²
0-3 km storm-relative helicity
398 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

745 
WGUS53 KSGF 241828
FFWSGF
MOC043-067-153-213-225-229-242130-
/O.NEW.KSGF.FF.W.0007.200224T1828Z-200224T2130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Springfield MO
1228 PM CST Mon Feb 24 2020

The National Weather Service in Springfield has issued a

* Flash Flood Warning for...
  Western Ozark County in southwestern Missouri...
  Southeastern Webster County in southwestern Missouri...
  Western Douglas County in southwestern Missouri...
  Southwestern Wright County in southwestern Missouri...
  Eastern Christian County in southwestern Missouri...
  Eastern Taney County in southwestern Missouri...

* Until 330 PM CST.

* At 1227 PM CST, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area, with rainfall rates over two 
  inches per hour. Flash flooding is ongoing or expected to begin 
  shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar indicated.

  IMPACT...Flooding of small creeks and streams, urban areas, 
           highways, streets and underpasses as well as other 
           drainage and low lying areas.

* Some locations that will experience flooding include...
  Ava...                            Seymour...
  Mansfield...                      Kissee Mills...
  Taneyville...                     Theodosia...
  Wasola...                         Oldfield...
  Brownbranch...                    Elkhead...
  Bruner...                         Keltner...
  Protem...                         Thornfield...
  Rueter...                         Rome...
  Garrison...                       Squires...
  Chadwick...                       Bradleyville...

This warning includes but is not limited to the following low water
crossings...
Route FF at Hunter Creek east of Ava...
Route FF at Turkey Creek east of Ava...
Route Y at Cowskin Creek 3 miles west of Ava...
Route Z at Finley Creek 3 miles southeast of Fordland...
and Highway 76 at Beaver Creek southwest of Bradleyville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.

&&

LAT...LON 3659 9299 3685 9317 3711 9297 3719 9256
      3699 9249 3651 9269 3650 9300

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

$$

Terry
1 follow-up statement
570 
WGUS73 KSGF 241931
FFSSGF

Flash Flood Statement
National Weather Service Springfield MO
131 PM CST Mon Feb 24 2020

MOC043-067-153-213-225-229-241939-
/O.CAN.KSGF.FF.W.0007.000000T0000Z-200224T2130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Ozark MO-Webster MO-Douglas MO-Wright MO-Christian MO-Taney MO-
131 PM CST Mon Feb 24 2020

...THE FLASH FLOOD WARNING FOR WESTERN OZARK...SOUTHEASTERN
WEBSTER...WESTERN DOUGLAS...SOUTHWESTERN WRIGHT...EASTERN CHRISTIAN
AND EASTERN TANEY COUNTIES IS CANCELLED...

The Flash Flood Warning has been replaced with a Flood Advisory for 
expected minor flooding of low lying areas as runoff continues 
through the afternoon.

The heavy rain has ended. Flash flooding is no longer expected to
pose a threat. Please continue to heed any remaining road closures.

LAT...LON 3659 9299 3685 9317 3711 9297 3719 9256
      3699 9249 3651 9269 3650 9300

$$

Terry

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 23, 7:07 PM CSTRiver Flood WarningSGFVernon5 days
Feb 23, 7:07 PM CSTRiver Flood WarningSGFVernon5 days
Feb 24, 1:29 AM CSTAreal Flood WarningSGFBenton, Camden, Dallas, Hickory, Laclede, Miller and 1 more14 hr
Feb 24, 5:36 AM CSTAreal Flood WarningSGFBarton, Jasper, Newton10 hr
Feb 24, 5:42 AM CSTAreal Flood WarningSGFCedar, Dade, St. Clair, Vernon9 hr
Feb 24, 9:13 AM CSTSpecial Weather StatementSGFLawrence32 min
Feb 24, 11:47 AM CSTSpecial Weather StatementSGFChristian28 min
Feb 24, 11:53 AM CSTSevere Thunderstorm WarningSGFChristian, Douglas, Webster26 min
Feb 24, 12:26 PM CSTSpecial Weather StatementSGFOzark34 min
Feb 24, 12:45 PM CSTSpecial Weather StatementSGFDouglas30 min
Feb 24, 1:21 PM CSTAreal Flood AdvisorySGFDouglas, Ozark3 hr
Feb 24, 1:29 PM CSTAreal Flood AdvisorySGFChristian, Douglas, Ozark, Taney3 hr
Feb 24, 3:03 PM CSTAreal Flood AdvisorySGFBarton, Benton, Cedar, Dallas, Hickory, Polk and 2 more12 hr

Nearby

Flash Flood Warnings in Missouri, 2020Every flash flood warning in 2020

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.