Alert archive / Missouri / Flash Flood Warnings in 2018

Flash Flood Warning 4, NWS Springfield, MO

May 16, 2018Christian County, Greene County, Missouri

NWS Springfield, MO issued this flash flood warning at May 16, 2018, 8:00 PM CDT for Christian County, Greene County, Missouri. It was in force for 2 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
May 16, 2018, 8:00 PM CDT (01:00 UTC)
Expired
May 16, 2018, 10:25 PM CDT
In force
2 hr
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Flood severity
None

Counties Christian County, MO, Greene County, MO

The radar

The Springfield radar (KSGF), 21 km from the middle of the area, began a volume at 01:03 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 00:00Z, 1.0 hours before the alert went out and 33 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 2018-05-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1015 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 2018-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 4 square meters per square second.1939Sfc1 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
1015 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
1424 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
4 m²/s²
0-3 km storm-relative helicity
-20 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

002 
WGUS53 KSGF 170100
FFWSGF
MOC043-077-170500-
/O.NEW.KSGF.FF.W.0004.180517T0100Z-180517T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Springfield MO
800 PM CDT WED MAY 16 2018

The National Weather Service in Springfield has issued a

* Flash Flood Warning for...
  Northwestern Christian County in southwestern Missouri...
  South central Greene County in southwestern Missouri...

* Until midnight CDT

* At 758 PM CDT, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Up to two inches of rain has
  already fallen. Flash flooding is expected to begin shortly.

* Creeks, streams, and low water crossings will be especially
  susceptible to the dangers of flash flooding.
  Locations in the warning include...
  Republic...                       Battlefield...
  Clever...                         Billings...
  Boaz...                           

This warning includes mainly rural areas of northwestern Christian 
and south central Greene Counties.

Additional rainfall amounts of one to two inches are possible in the 
warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.

&&

LAT...LON 3700 9356 3714 9355 3714 9336 3699 9336

$$

Foster
2 follow-up statements
577 
WGUS73 KSGF 170150
FFSSGF

Flash Flood Statement
National Weather Service Springfield MO
850 PM CDT WED MAY 16 2018

MOC077-170157-
/O.CAN.KSGF.FF.W.0004.000000T0000Z-180517T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Greene MO-
850 PM CDT WED MAY 16 2018

...THE FLASH FLOOD WARNING FOR SOUTH CENTRAL GREENE COUNTY IS
CANCELLED...

Flash flooding is no longer expected to pose a threat to life or
property. Please continue to heed any remaining road closures.

LAT...LON 3700 9356 3710 9355 3710 9337 3709 9336
      3699 9336

$$

MOC043-170500-
/O.CON.KSGF.FF.W.0004.000000T0000Z-180517T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Christian MO-
850 PM CDT WED MAY 16 2018

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT FOR
NORTHWESTERN CHRISTIAN COUNTY...

At 847 PM CDT, Doppler radar indicated that thunderstorms had 
diminished and the heavy rainfall had ended across the warned area. 
Up to three inches of rain fell across portions of the warned area. 

Flooding of low water crossings and small streams is likely. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Please report flooding to your local law enforcement agency when you
can do so safely.

&&

LAT...LON 3700 9356 3710 9355 3710 9337 3709 9336
      3699 9336

$$

Foster
984 
WGUS73 KSGF 170325
FFSSGF

Flash Flood Statement
National Weather Service Springfield MO
1025 PM CDT WED MAY 16 2018

MOC043-170335-
/O.CAN.KSGF.FF.W.0004.000000T0000Z-180517T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Christian MO-
1025 PM CDT WED MAY 16 2018

...THE FLASH FLOOD WARNING FOR NORTHWESTERN CHRISTIAN COUNTY IS
CANCELLED...

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

LAT...LON 3700 9356 3710 9355 3710 9337 3709 9336
      3699 9336

$$

Foster

The office that day

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

IssuedProductOfficeCountiesLasted
May 16, 7:14 PM CDTSevere Thunderstorm WarningSGFChristian, Stone46 min
May 16, 7:38 PM CDTAreal Flood AdvisorySGFChristian3 hr
May 16, 7:52 PM CDTSevere Thunderstorm WarningSGFChristian, Greene38 min
May 17, 1:22 AM CDTSpecial Weather StatementSGFPolk38 min
May 17, 2:02 AM CDTAreal Flood AdvisorySGFCedar, Hickory, Polk6 hr
May 17, 8:54 AM CDTAreal Flood AdvisorySGFDouglas6 hr
May 17, 2:26 PM CDTFlash Flood WarningSGFBenton4 hr

Nearby

Flash Flood Warnings in Missouri, 2018Every flash flood warning in 2018

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.