Alert archive / Missouri / Flash Flood Warnings in 2017

Flash Flood Warning 67, NWS Springfield, MO

August 5, 2017Greene County, Missouri

NWS Springfield, MO issued this flash flood warning at Aug 5, 2017, 1:32 PM CDT for Greene County, Missouri. It was in force for 6 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: Aug 5, 2017, 1:32 PM CDT (18:32 UTC)
Expired: Aug 5, 2017, 7:30 PM CDT
In force: 6 hr
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Flood severity: None

County Greene County, MO

The radar

The Springfield radar (KSGF), 11 km from the middle of the area, began a volume at 18:35 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

Time	Report	Where	Remark
Aug 5, 1:50 PM CDT	FLASH FLOOD	Springfield, MO	EXCESSIVE RAINFALL CAUSED FLASH FLOODING ON ROADS IN SOUTHEAST SPRINGFIELD.

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 12:00Z, 6.5 hours before the alert went out and 56 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1677 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 157 m²/s²
0-3 km storm-relative helicity: 274 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted.

092 
WGUS53 KSGF 051832
FFWSGF
MOC077-060030-
/O.NEW.KSGF.FF.W.0067.170805T1832Z-170806T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Springfield MO
132 PM CDT SAT AUG 5 2017

The National Weather Service in Springfield has issued a

* Flash Flood Warning for...
  Southeastern Greene County in southwestern Missouri...

* Until 730 PM CDT

* At 130 PM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the city of Springfield. Up to one inch of rain 
  has already fallen...with an additional two inches possible 
  through the afternoon . Flash flooding is expected to begin 
  shortly. This flash flood warning is specific to the city of 
  Springfield. 

* Creeks, streams, and low water crossings will be especially
  susceptible to the dangers of flash flooding.
  Locations in the warning include...
  Springfield...                    Battlefield...
  Brookline...                      Galloway...
  Turners...                        

This warning includes but is not limited to the following low water
crossings...
Scenic Avenue in southwest Springfield...
East Buena Vista Road at Ward Branch south of Springfield...
Farm Road 164 at The James River just east of Springfield...
Farm Road 156 at Wilsons Creek southwest of Springfield...
and Farm Road 146 at Wilsons Creek southwest of Springfield.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, urban areas, highways, streets and underpasses as
well as other drainage areas and low lying spots.

&&

LAT...LON 3710 9337 3717 9343 3724 9343 3728 9338
      3729 9328 3727 9318 3721 9313 3714 9313
      3709 9317

$$

Cramer

1 follow-up statement

589 
WGUS73 KSGF 052247
FFSSGF

Flash Flood Statement
National Weather Service Springfield MO
547 PM CDT SAT AUG 5 2017

MOC077-052257-
/O.CAN.KSGF.FF.W.0067.000000T0000Z-170806T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Greene MO-
547 PM CDT SAT AUG 5 2017

...THE FLASH FLOOD WARNING FOR SOUTHEASTERN GREENE COUNTY IS
CANCELLED...

Water has receded across the county at this time.  However, please 
continue to heed any remaining road closures.

Additional heavy rain will be possible later tonight. 

LAT...LON 3710 9337 3717 9343 3724 9343 3728 9338
      3729 9328 3727 9318 3721 9313 3714 9313
      3709 9317

$$

Boxell

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 5, 10:24 AM CDT	Flash Flood Warning	SGF	Barton, Vernon	8 hr
Aug 5, 11:45 AM CDT	Flash Flood Warning	SGF	Barton, Cedar, Dade, Polk	8 hr
Aug 5, 11:52 AM CDT	Severe Thunderstorm Warning	SGF	Greene, Polk	53 min
Aug 5, 12:23 PM CDT	Severe Thunderstorm Warning	SGF	Dallas, Webster	54 min
Aug 5, 5:30 PM CDT	Areal Flood Warning	SGF	Benton, Camden, Hickory, Laclede, Miller, Morgan	6 hr

Nearby

Flash Flood Warnings in Missouri, 2017 Every flash flood warning in 2017

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.