Alert archive / Missouri / Flash Flood Warnings in 2021

Flash Flood Warning 70, NWS Springfield, MO

July 16, 2021Vernon County, Missouri; Bourbon County, Kansas

NWS Springfield, MO issued this flash flood warning at Jul 16, 2021, 2:16 AM CDT for Vernon County, Missouri; Bourbon County, Kansas. It was in force for 6 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: Jul 16, 2021, 2:16 AM CDT (07:16 UTC)
Expired: Jul 16, 2021, 8:15 AM CDT
In force: 6 hr
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Flood severity: None

Counties Bourbon County, KS, Vernon County, MO

The radar

The Pleasant Hill radar (KEAX), 103 km from the middle of the area, began a volume at 07:17 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
Jul 16, 7:00 AM CDT	HEAVY RAIN 2.98	2 Sse Fort Scott, KS	24HR TOTAL.
Jul 16, 7:00 AM CDT	HEAVY RAIN 5.02	Devon, KS	24HR TOTAL.
Jul 16, 7:00 AM CDT	HEAVY RAIN 5.65	3 Ne Hammond, KS	24HR TOTAL.

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, 7.3 hours before the alert went out and 137 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: 1362 J/kg
Mixed-layer CIN: -3 J/kg
Mixed-layer LCL: 1225 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 77 m²/s²
0-3 km storm-relative helicity: 112 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 3.0

Open this sounding in Storm Lab

The text

As transmitted.

683 
WGUS53 KSGF 160716
FFWSGF
KSC011-MOC217-161315-
/O.NEW.KSGF.FF.W.0070.210716T0716Z-210716T1315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Springfield MO
216 AM CDT Fri Jul 16 2021

The National Weather Service in Springfield has issued a

* Flash Flood Warning for...
  Northeastern Bourbon County in southeastern Kansas...
  Northwestern Vernon County in west central Missouri...

* Until 815 AM CDT.

* At 216 AM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 2 and 4 inches of rain 
  have fallen. Flash flooding is ongoing or expected to begin 
  shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar.

  IMPACT...Flash flooding of small creeks and streams, urban
           areas, highways, streets and underpasses as well as
           other poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
  Fort Scott, Fulton, Marmaton, Richards, Deerfield, Metz, 
  Stotesbury and Hammond.

This includes the following low water crossings...
  West Fork Pryor Creek at Blair Road.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3780 9486 3801 9487 3801 9463 3805 9458
      3805 9441 3781 9438

FLASH FLOOD...RADAR INDICATED

$$

EW

2 follow-up statements

894 
WGUS73 KSGF 160958
FFSSGF

Flash Flood Statement
National Weather Service Springfield MO
458 AM CDT Fri Jul 16 2021

KSC011-MOC217-161315-
/O.CON.KSGF.FF.W.0070.000000T0000Z-210716T1315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Bourbon KS-Vernon MO-
458 AM CDT Fri Jul 16 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 815 AM CDT THIS 
MORNING FOR NORTHEASTERN BOURBON AND NORTHWESTERN VERNON COUNTIES...

At 458 AM CDT, Doppler radar indicated thunderstorms producing heavy 
rain across the warned area. Between 2 and 5 inches of rain have 
fallen. Flash flooding is ongoing or expected to begin shortly.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Radar.

IMPACT...Flash flooding of small creeks and streams, urban areas,
         highways, streets and underpasses as well as other poor
         drainage and low-lying areas.

Some locations that will experience flash flooding include...
  Fort Scott, Fulton, Marmaton, Richards, Deerfield, Metz, 
  Stotesbury and Hammond.

This includes the following low water crossings...
  West Fork Pryor Creek at Blair Road.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3780 9486 3801 9487 3801 9463 3805 9458
      3805 9441 3781 9438

FLASH FLOOD...RADAR INDICATED

$$

EW

527 
WGUS73 KSGF 161313
FFSSGF

Flash Flood Statement
National Weather Service Springfield MO
813 AM CDT Fri Jul 16 2021

KSC011-MOC217-161323-
/O.EXP.KSGF.FF.W.0070.000000T0000Z-210716T1315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Bourbon KS-Vernon MO-
813 AM CDT Fri Jul 16 2021

...FLASH FLOOD WARNING WILL EXPIRE AT 815 AM CDT THIS MORNING FOR 
NORTHEASTERN BOURBON AND NORTHWESTERN VERNON COUNTIES...

The heavy rain has ended. Lingering flooding from runoff is expected 
to continue on rivers, streams and low lying areas. This threat is 
covered by an areal flood warning across Bourbon and Vernon Counties.

A Flash Flood Watch remains in effect until 100 PM CDT for Portions 
of southeast Kansas. Portions of Missouri.

LAT...LON 3780 9486 3801 9487 3801 9463 3805 9458
      3805 9441 3781 9438

$$

Rothstein

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 15, 8:58 PM CDT	River Flood Warning	SGF	Vernon	5 days
Jul 15, 10:24 PM CDT	Severe Thunderstorm Warning	SGF	Barton, Jasper	51 min
Jul 15, 11:29 PM CDT	River Flood Warning	SGF	St. Clair	9 days
Jul 15, 11:45 PM CDT	River Flood Warning	SGF	Vernon	5 days
Jul 16, 12:54 AM CDT	Areal Flood Advisory	SGF	Dallas, Laclede, Polk, Webster	97 min
Jul 16, 1:14 AM CDT	Areal Flood Advisory	SGF	Vernon	26 min
Jul 16, 1:35 AM CDT	River Flood Warning	SGF	Cedar	8 hr
Jul 16, 1:40 AM CDT	Areal Flood Warning	SGF	Vernon	15 hr
Jul 16, 2:31 AM CDT	Areal Flood Warning	SGF	Dallas, Laclede, Polk, Webster	8 hr
Jul 16, 2:59 AM CDT	Areal Flood Warning	SGF	Barton, Vernon	14 hr
Jul 16, 4:39 AM CDT	River Flood Warning	SGF	Bates, Vernon	39 hr
Jul 16, 4:53 AM CDT	Areal Flood Advisory	SGF	Camden, Cedar, Dade, Dallas, Hickory, Polk and 2 more	6 hr
Jul 16, 5:28 AM CDT	Areal Flood Advisory	SGF	Barton, Jasper	8 hr
Jul 16, 7:12 AM CDT	Areal Flood Advisory	SGF	McDonald	3 hr
Jul 15, 11:46 PM CDT	River Flood Warning	SGF	Bourbon	37 hr
Jul 16, 1:59 AM CDT	Special Weather Statement	SGF	Cherokee	46 min
Jul 16, 2:22 AM CDT	Areal Flood Advisory	SGF	Cherokee, Crawford	37 min
Jul 16, 3:08 AM CDT	River Flood Warning	SGF	Bourbon	47 hr
Jul 16, 4:21 AM CDT	Special Weather Statement	SGF	Cherokee	39 min

Nearby

Flash Flood Warnings in Missouri, 2021 Flash Flood Warnings in Kansas, 2021 Every flash flood warning in 2021

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.