Alert archive / Missouri / Flash Flood Warnings in 2018

Flash Flood Warning 3, NWS Springfield, MO

May 15, 2018Douglas County, Ozark County, Missouri

NWS Springfield, MO issued this flash flood warning at May 15, 2018, 4:51 AM CDT for Douglas County, Ozark County, Missouri. It was in force for 6 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 15, 2018, 4:51 AM CDT (09:51 UTC)
Expired
May 15, 2018, 10:45 AM CDT
In force
6 hr
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Flood severity
None

Counties Douglas County, MO, Ozark County, MO

The radar

The Springfield radar (KSGF), 91 km from the middle of the area, began a volume at 09:50 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, 9.9 hours before the alert went out and 114 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 2018-05-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1390 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 2018-05-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 48 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
1390 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
1649 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
48 m²/s²
0-3 km storm-relative helicity
60 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

440 
WGUS53 KSGF 150951
FFWSGF
MOC067-153-151545-
/O.NEW.KSGF.FF.W.0003.180515T0951Z-180515T1545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Springfield MO
451 AM CDT TUE MAY 15 2018

The National Weather Service in Springfield has issued a

* Flash Flood Warning for...
  Ozark County in southwestern Missouri...
  Central Douglas County in southwestern Missouri...

* Until 1045 AM CDT

* At 451 AM CDT, Doppler radar and automated rain gauges indicated
  thunderstorms producing heavy rain across the warned area. Up to
  three 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...
  Gainesville...                    Theodosia...
  Pontiac...                        Wasola...
  Sundown...                        Brixey...
  Noble...                          Willhoit...
  Brushyknob...                     Gentryville...
  Hardenville...                    Thornfield...
  Vanzant...                        Squires...
  Rockbridge...                     Long Run...
  Isabella...                       Drury...
  Zanoni...                         

This warning includes but is not limited to the following low water
crossings...
Route T at Lick Creek 6 miles south of Gainesville...
Highway 95 at Bryant Creek just east of Rockbridge...
and Route U at Bryant Creek northwest of Brushyknob.

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 3681 9276 3694 9257 3706 9253 3706 9220
      3680 9225 3650 9234 3650 9277

$$

Burchfield
2 follow-up statements
611 
WGUS73 KSGF 151214
FFSSGF

Flash Flood Statement
National Weather Service Springfield MO
714 AM CDT TUE MAY 15 2018

MOC067-153-151545-
/O.CON.KSGF.FF.W.0003.000000T0000Z-180515T1545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Ozark MO-Douglas MO-
714 AM CDT TUE MAY 15 2018

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1045 AM CDT FOR
OZARK AND CENTRAL DOUGLAS COUNTIES...

At 709 AM CDT, Doppler radar and automated rain gauges indicated 
that overnight thunderstorms produced up to three inches of rain in 
less than two hours. This is likely resulting in flash flooding.

Creeks, streams, and low water crossings will be especially
susceptible to the dangers of flash flooding.
Locations in the warning include...
Gainesville...                    Theodosia...
Pontiac...                        Wasola...
Sundown...                        Brixey...
Noble...                          Willhoit...
Brushyknob...                     Gentryville...
Hardenville...                    Thornfield...
Vanzant...                        Squires...
Rockbridge...                     Long Run...
Isabella...                       Drury...
Zanoni...                         

This warning includes but is not limited to the following low water
crossings...
Route T at Lick Creek 6 miles south of Gainesville...
Highway 95 at Bryant Creek just east of Rockbridge...
and Route U at Bryant Creek northwest of Brushyknob.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3681 9276 3694 9257 3706 9253 3706 9220
      3680 9225 3650 9234 3650 9277

$$

Schaumann
565 
WGUS73 KSGF 151543
FFSSGF

Flash Flood Statement
National Weather Service Springfield MO
1043 AM CDT TUE MAY 15 2018

MOC067-153-151552-
/O.EXP.KSGF.FF.W.0003.000000T0000Z-180515T1545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Ozark MO-Douglas MO-
1043 AM CDT TUE MAY 15 2018

...THE FLASH FLOOD WARNING FOR OZARK AND CENTRAL DOUGLAS COUNTIES
WILL EXPIRE AT 1045 AM CDT...

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
to life or property. 

LAT...LON 3681 9276 3694 9257 3706 9253 3706 9220
      3680 9225 3650 9234 3650 9277

$$

DSA

The office that day

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

IssuedProductOfficeCountiesLasted
May 14, 7:03 PM CDTSpecial Weather StatementSGFPolk57 min
May 14, 7:44 PM CDTSpecial Weather StatementSGFBenton, Morgan61 min
May 15, 12:55 AM CDTSpecial Weather StatementSGFMcDonald, Newton65 min

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.