Alert archive / Missouri / Flash Flood Warnings in 2020

Flash Flood Warning 9, NWS Springfield, MO

March 2, 20207 counties in Missouri

NWS Springfield, MO issued this flash flood warning at Mar 2, 2020, 12:45 AM CST for 7 counties in Missouri. It was in force for 4 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 2, 2020, 12:45 AM CST (06:45 UTC)
Expired
Mar 2, 2020, 4:45 AM CST
In force
4 hr
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Flood severity
None

Counties Christian County, MO, Dade County, MO, Greene County, MO, Lawrence County, MO, Polk County, MO, Webster County, MO, Wright County, MO

The radar

The Springfield radar (KSGF), 2 km from the middle of the area, began a volume at 06:47 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

TimeReportWhereRemark
Mar 2, 4:00 AM CSTFLASH FLOOD4 Sse Fordland, MOCORRECTS PREVIOUS FLASH FLOOD REPORT FROM 4 SSE FORDLAND. HWY Z AT FINLEY CREEK FLOODED. 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 00:00Z, 6.8 hours before the alert went out and 50 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 2020-03-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 541 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 2020-03-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 203 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
541 J/kg
Mixed-layer CIN
-84 J/kg
Mixed-layer LCL
779 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
203 m²/s²
0-3 km storm-relative helicity
229 m²/s²
Significant tornado parameter
0.3
Supercell composite
1.2

Open this sounding in Storm Lab

The text

As transmitted.

991 
WGUS53 KSGF 020645
FFWSGF
MOC043-057-077-109-167-225-229-021045-
/O.NEW.KSGF.FF.W.0009.200302T0645Z-200302T1045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Springfield MO
1245 AM CST Mon Mar 2 2020

The National Weather Service in Springfield has issued a

* Flash Flood Warning for...
  Webster County in southwestern Missouri...
  Southwestern Wright County in southwestern Missouri...
  Northern Christian County in southwestern Missouri...
  Southwestern Polk County in southwestern Missouri...
  Northeastern Lawrence County in southwestern Missouri...
  Greene County in southwestern Missouri...
  Dade County in southwestern Missouri...

* Until 445 AM CST.

* At 1243 AM CST, Doppler radar indicated thunderstorms producing
  heavy rain developing repeatedly across the warned area. Up 
  to two inches of rain have already fallen. 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...
  Springfield...                    Republic...
  Marshfield...                     Battlefield...
  Willard...                        Rogersville...
  Strafford...                      Seymour...
  Ash Grove...                      Fair Grove...
  Greenfield...                     Mansfield...
  Lockwood...                       Fordland...
  Walnut Grove...                   Hartville...

This warning includes but is not limited to the following low water
crossings...
Route CC west of Fair Grove at The Pomme De Terre River...
Route W at Turkey Creek just west of Eudora...
Scenic Avenue in southwest Springfield...
Route C at The Little Sac River north of Strafford...
and Greenwood Road at The Pomme de Terre Headwaters.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3709 9362 3724 9372 3733 9409 3757 9398
      3730 9255 3706 9241

FLASH FLOOD...RADAR INDICATED

$$

Terry
1 follow-up statement
700 
WGUS73 KSGF 021035
FFSSGF

Flash Flood Statement
National Weather Service Springfield MO
435 AM CST Mon Mar 2 2020

MOC043-057-077-109-167-225-229-021045-
/O.EXP.KSGF.FF.W.0009.000000T0000Z-200302T1045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Webster MO-Wright MO-Christian MO-Polk MO-Lawrence MO-Greene MO-
Dade MO-
435 AM CST Mon Mar 2 2020

...THE FLASH FLOOD WARNING FOR WEBSTER...SOUTHWESTERN WRIGHT...
NORTHERN CHRISTIAN...SOUTHWESTERN POLK...NORTHEASTERN LAWRENCE...
GREENE AND DADE COUNTIES WILL EXPIRE AT 445 AM CST...

The heavy rain has ended. The threat for rapid rises in water levels
has diminished. Flash flooding is no longer expected to pose a
threat. Please continue to heed any remaining road closures.

LAT...LON 3709 9362 3724 9372 3733 9409 3757 9398
      3730 9255 3706 9241

$$

DSA

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 1, 9:18 PM CSTSpecial Weather StatementSGFJasper42 min
Mar 1, 9:47 PM CSTSpecial Weather StatementSGFDade43 min
Mar 1, 10:19 PM CSTSevere Thunderstorm WarningSGFLawrence41 min
Mar 1, 10:27 PM CSTFlash Flood WarningSGFDade, Jasper, Lawrence4 hr
Mar 1, 10:48 PM CSTSpecial Weather StatementSGFDade42 min
Mar 1, 10:53 PM CSTSpecial Weather StatementSGFGreene67 min
Mar 1, 11:06 PM CSTSpecial Weather StatementSGFJasper39 min
Mar 1, 11:21 PM CSTSpecial Weather StatementSGFWebster39 min
Mar 1, 11:47 PM CSTSpecial Weather StatementSGFJasper43 min
Mar 2, 12:26 AM CSTSpecial Weather StatementSGFLawrence49 min
Mar 2, 12:52 AM CSTSpecial Weather StatementSGFGreene38 min
Mar 2, 1:27 AM CSTSpecial Weather StatementSGFWebster48 min
Mar 2, 2:02 AM CSTSpecial Weather StatementSGFDouglas43 min
Mar 2, 2:25 AM CSTFlash Flood WarningSGFDouglas, Howell6 hr
Mar 2, 4:40 AM CSTFlash Flood WarningSGFWright4 hr
Mar 2, 8:32 AM CSTAreal Flood AdvisorySGFDouglas, Greene, Webster, Wright12 hr
Mar 2, 5:39 PM CSTSevere Thunderstorm WarningSGFOzark45 min
Mar 2, 5:45 PM CSTSevere Thunderstorm WarningSGFDent45 min
Mar 2, 5:46 PM CSTSevere Thunderstorm WarningSGFShannon44 min
Mar 2, 5:56 PM CSTSevere Thunderstorm WarningSGFDent, Shannon, Texas46 min

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.