Alert archive / Missouri / Flash Flood Warnings in 2018

Flash Flood Warning 2, NWS Springfield, MO

April 13, 2018Douglas County, Missouri

NWS Springfield, MO issued this flash flood warning at Apr 13, 2018, 7:49 PM CDT for Douglas County, Missouri. It was in force for 4 hr. 3 reports 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
Apr 13, 2018, 7:49 PM CDT (00:49 UTC)
Expired
Apr 13, 2018, 11:45 PM CDT
In force
4 hr
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Flood severity
None

County Douglas County, MO

The radar

The Springfield radar (KSGF), 67 km from the middle of the area, began a volume at 00:49 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
Apr 13, 9:52 PM CDTFLASH FLOOD3 E Ava, MOROUTE FF FLOODED AND CLOSED AT HUNTER CREEK.
Apr 13, 9:52 PM CDTFLASH FLOOD4 Nnw Brushyknob, MOROUTE U CLOSED AT BRYANT CREEK.
Apr 13, 9:52 PM CDTFLASH FLOOD4 Wnw Ava, MOROUTE Y CLOSED AT COW SKIN CREEK.

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, 0.8 hours before the alert went out and 96 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 2018-04-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 505 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 2018-04-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 139 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
505 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
560 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
139 m²/s²
0-3 km storm-relative helicity
157 m²/s²
Significant tornado parameter
0.4
Supercell composite
3.6

Open this sounding in Storm Lab

The text

As transmitted.

776 
WGUS53 KSGF 140049
FFWSGF
MOC067-140445-
/O.NEW.KSGF.FF.W.0002.180414T0049Z-180414T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Springfield MO
749 PM CDT FRI APR 13 2018

The National Weather Service in Springfield has issued a

* Flash Flood Warning for...
  Western Douglas County in southwestern Missouri...

* Until 1145 PM CDT

* At 747 PM CDT, emergency management reported that flooding was 
  occurring due to heavy rain across the warned area. Two to three 
  inches of rain has already fallen. Flash flooding is already 
  occurring, mainly of low water crossings and flood prone locations.

* Creeks, streams, and low water crossings will be especially
  susceptible to the dangers of flash flooding.

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...
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 3707 9281 3706 9244 3680 9270 3681 9285

$$

Wise
2 follow-up statements
756 
WGUS73 KSGF 140317
FFSSGF

Flash Flood Statement
National Weather Service Springfield MO
1017 PM CDT FRI APR 13 2018

MOC067-140445-
/O.CON.KSGF.FF.W.0002.000000T0000Z-180414T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Douglas MO-
1017 PM CDT FRI APR 13 2018

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1145 PM CDT FOR
WESTERN DOUGLAS COUNTY...

At 1016 PM CDT, The Department of Transportation reported flash
flooding in the warned area.  Flash flooding is already occurring.
Route Y at Cowskin Creek west of Ava, Route FF at Hunter Creel east 
of Ava, and Route U at Bryant Creek were all closed due to being 
flooded. 

* Creeks, streams, and low water crossings will be especially
  susceptible to the dangers of flash flooding.

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...
and Route U at Bryant Creek northwest of Brushyknob.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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 3707 9281 3706 9244 3680 9270 3681 9285

$$

Wise
519 
WGUS73 KSGF 140441
FFSSGF

Flash Flood Statement
National Weather Service Springfield MO
1141 PM CDT FRI APR 13 2018

MOC067-140451-
/O.EXP.KSGF.FF.W.0002.000000T0000Z-180414T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Douglas MO-
1141 PM CDT FRI APR 13 2018

...THE FLASH FLOOD WARNING FOR WESTERN DOUGLAS COUNTY WILL EXPIRE AT
1145 PM 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. Please continue to heed any remaining road
closures.

LAT...LON 3707 9281 3706 9244 3680 9270 3681 9285

$$

Burchfield

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 13, 7:05 PM CDTSevere Thunderstorm WarningSGFTexas, Wright40 min
Apr 13, 7:09 PM CDTAreal Flood AdvisorySGFChristian, Douglas, Taney6 hr
Apr 13, 7:09 PM CDTTornado WarningSGFDouglas, Wright36 min
Apr 13, 7:29 PM CDTTornado WarningSGFTexas, Wright31 min
Apr 13, 7:50 PM CDTSevere Thunderstorm WarningSGFMaries, Miller40 min
Apr 13, 7:57 PM CDTTornado WarningSGFTexas33 min
Apr 13, 8:26 PM CDTSevere Thunderstorm WarningSGFDent, Phelps, Texas49 min
Apr 13, 8:36 PM CDTSevere Thunderstorm WarningSGFDouglas, Howell, Ozark54 min
Apr 13, 8:37 PM CDTSevere Thunderstorm WarningSGFDent, Shannon, Texas38 min
Apr 13, 8:40 PM CDTTornado WarningSGFPhelps35 min
Apr 13, 8:49 PM CDTTornado WarningSGFHowell, Ozark26 min
Apr 13, 9:30 PM CDTSevere Thunderstorm WarningSGFHowell, Oregon, Shannon60 min
Apr 13, 9:38 PM CDTTornado WarningSGFHowell, Oregon, Shannon37 min
Apr 13, 10:32 PM CDTSevere Thunderstorm WarningSGFOregon21 min
Apr 14, 3:04 AM CDTFreeze WarningSGFBarry, Barton, Cedar, Christian, Dade, Dallas and 16 more30 hr
Apr 14, 6:37 AM CDTAreal Flood AdvisorySGFDouglas, Texas, Webster, Wright6 hr
Apr 14, 12:26 PM CDTAreal Flood AdvisorySGFDouglas, Texas, Wright10 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.