Alert archive / Missouri / Flash Flood Warnings in 2021

Flash Flood Warning 48, NWS Springfield, MO

June 25, 2021Vernon County, Missouri; Bourbon County, Kansas

NWS Springfield, MO issued this flash flood warning at Jun 25, 2021, 10:08 PM CDT for Vernon County, Missouri; Bourbon County, Kansas. 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
Jun 25, 2021, 10:08 PM CDT (03:08 UTC)
Expired
Jun 26, 2021, 4:15 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), 95 km from the middle of the area, began a volume at 03:09 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, 3.1 hours before the alert went out and 128 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 2021-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1507 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 00:00Z on 2021-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 31 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
1507 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
1381 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
31 m²/s²
0-3 km storm-relative helicity
110 m²/s²
Significant tornado parameter
0.1
Supercell composite
2.0

Open this sounding in Storm Lab

The text

As transmitted.

880 
WGUS53 KSGF 260308
FFWSGF
KSC011-MOC217-260915-
/O.NEW.KSGF.FF.W.0048.210626T0308Z-210626T0915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Springfield MO
1008 PM CDT Fri Jun 25 2021

The National Weather Service in Springfield has issued a

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

* Until 415 AM CDT Saturday.

* At 1008 PM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1 and 3 inches of rain 
  have fallen. Additional rainfall amounts of 1 to 2 inches are 
  possible in the warned area. 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...
  Nevada, Fort Scott, Sheldon, Bronson, Uniontown, Walker, Schell 
  City and Fulton.

This includes the following highways...
	Interstate 49 between mile markers 77 and 107.

This includes the following low water crossings...
  Route V at The Osage River just north of Stotesbury, Highway 31 at 
  Little Osage River 5 miles west of Fulton, Route KK at Dry Wood 
  Creek 5 miles northwest of Moundville and Highway 54, 3 miles east 
  of Deerfield.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3804 9461 3806 9461 3805 9423 3803 9424
      3803 9423 3805 9420 3804 9420 3806 9413
      3804 9411 3805 9410 3803 9409 3804 9406
      3764 9407 3765 9462 3767 9462 3767 9509
      3804 9508

FLASH FLOOD...RADAR INDICATED

$$

JSS
1 follow-up statement
418 
WGUS73 KSGF 260426
FFSSGF

Flash Flood Statement
National Weather Service Springfield MO
1126 PM CDT Fri Jun 25 2021

KSC011-MOC217-260915-
/O.CON.KSGF.FF.W.0048.000000T0000Z-210626T0915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Bourbon KS-Vernon MO-
1126 PM CDT Fri Jun 25 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 415 AM CDT SATURDAY 
FOR BOURBON AND VERNON COUNTIES...

At 1126 PM CDT, Doppler radar indicated thunderstorms producing 
heavy rain across the warned area. Between 1 and 3 inches of rain 
have fallen. Additional rainfall amounts of 1 to 2 inches are 
possible in the warned area. 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...
  Nevada, Fort Scott, Sheldon, Bronson, Uniontown, Walker, Schell 
  City and Fulton.

This includes the following highways...
	Interstate 49 between mile markers 77 and 107.

This includes the following low water crossings...
  Route V at The Osage River just north of Stotesbury, Highway 31 at 
  Little Osage River 5 miles west of Fulton, Route KK at Dry Wood 
  Creek 5 miles northwest of Moundville and Highway 54, 3 miles east 
  of Deerfield.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3804 9461 3806 9461 3805 9423 3803 9424
      3803 9423 3805 9420 3804 9420 3806 9413
      3804 9411 3805 9410 3803 9409 3804 9406
      3764 9407 3765 9462 3767 9462 3767 9509
      3804 9508

FLASH FLOOD...RADAR INDICATED

$$

JSS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 25, 8:25 PM CDTRiver Flood WarningSGFVernon5 days
Jun 25, 8:27 PM CDTRiver Flood WarningSGFBates, Vernon21 days
Jun 25, 8:31 PM CDTRiver Flood WarningSGFSt. Clair21 days
Jun 25, 10:44 PM CDTAreal Flood AdvisorySGFBenton6 hr
Jun 26, 12:52 AM CDTFlash Flood WarningSGFBarton, Jasper8 hr
Jun 26, 4:15 AM CDTAreal Flood WarningSGFCedar, St. Clair, Vernon16 hr
Jun 26, 5:09 AM CDTFlash Flood WarningSGFNewton7 hr
Jun 26, 5:40 AM CDTFlash Flood Warning EmergencyConsiderable damage threatSGFNewton5 hr
Jun 26, 6:30 AM CDTFlash Flood WarningSGFJasper6 hr
Jun 26, 7:38 AM CDTSevere Thunderstorm WarningSGFLawrence, Newton37 min
Jun 26, 8:21 AM CDTAreal Flood WarningSGFBarton, Jasper12 hr
Jun 26, 9:50 AM CDTRiver Flood WarningSGFVernon9 days
Jun 26, 9:50 AM CDTRiver Flood WarningSGFBates, Vernon11 days
Jun 26, 9:50 AM CDTRiver Flood WarningSGFVernon8 days
Jun 26, 9:50 AM CDTRiver Flood WarningSGFSt. Clair21 days
Jun 26, 10:13 AM CDTRiver Flood WarningSGFJasper, Newton9 hr
Jun 26, 12:30 PM CDTAreal Flood WarningSGFNewton20 hr
Jun 26, 12:35 PM CDTAreal Flood WarningSGFJasper19 hr
Jun 26, 9:50 AM CDTRiver Flood WarningSGFBourbon51 hr

Nearby

Flash Flood Warnings in Missouri, 2021Flash Flood Warnings in Kansas, 2021Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.