Alert archive / Missouri / Flash Flood Warnings in 2021

Flash Flood Warning 49, NWS Paducah, KY

August 13, 2021Butler County, Ripley County, Missouri

NWS Paducah, KY issued this flash flood warning at Aug 13, 2021, 10:22 AM CDT for Butler County, Ripley County, Missouri. It was in force for 3 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 13, 2021, 10:22 AM CDT (15:22 UTC)
Expired: Aug 13, 2021, 1:15 PM CDT
In force: 3 hr
Issued by: NWS Paducah, KY
Area: Storm-based polygon
Flood severity: None

Counties Butler County, MO, Ripley County, MO

The radar

The Paducah radar (KPAH), 173 km from the middle of the area, began a volume at 15:25 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 13, 12:05 PM CDT	FLASH FLOOD	7 Sw Hendrickson, MO	NUMEROUS DITCHES OVERFLOWING ACROSS THE NW PART OF BUTLER COUNTY CAUSING STREET FLOODING.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 3.4 hours before the alert went out and 228 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: 1427 J/kg
Mixed-layer CIN: -94 J/kg
Mixed-layer LCL: 1235 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: 5 m²/s²
0-3 km storm-relative helicity: 13 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

010 
WGUS53 KPAH 131522
FFWPAH
MOC023-181-131815-
/O.NEW.KPAH.FF.W.0049.210813T1522Z-210813T1815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Paducah KY
1022 AM CDT Fri Aug 13 2021

The National Weather Service in Paducah has issued a

* Flash Flood Warning for...
  Northwestern Butler County in southeastern Missouri...
  Northeastern Ripley County in southeastern Missouri...

* Until 115 PM CDT.

* At 1022 AM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across 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...
  Poplar Bluff, Milltown and Budapest.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3681 9066 3684 9066 3687 9051 3669 9042
      3669 9086 3681 9086 3681 9083

FLASH FLOOD...RADAR INDICATED

$$

08

2 follow-up statements

481 
WGUS73 KPAH 131712
FFSPAH

Flash Flood Statement
National Weather Service Paducah KY
1212 PM CDT Fri Aug 13 2021

MOC023-181-131815-
/O.CON.KPAH.FF.W.0049.000000T0000Z-210813T1815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Butler MO-Ripley MO-
1212 PM CDT Fri Aug 13 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 115 PM CDT THIS 
AFTERNOON FOR NORTHWESTERN BUTLER AND NORTHEASTERN RIPLEY COUNTIES...

At 1212 PM CDT, emergency management reported overflowing street 
flooding across parts of northwestern Butler County. Between 2 and 4 
inches of rain have fallen. Additional rainfall amounts of 0.25 to 
0.5 inch are possible in the warned area. Flash flooding is already 
occurring.

HAZARD...Flash flooding caused by heavy rain.

SOURCE...Emergency management reported.

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...
  Poplar Bluff, Milltown and Budapest.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3681 9066 3684 9066 3687 9051 3669 9042
      3669 9086 3681 9086 3681 9083

FLASH FLOOD...OBSERVED

$$

AL

160 
WGUS73 KPAH 131812
FFSPAH

Flash Flood Statement
National Weather Service Paducah KY
112 PM CDT Fri Aug 13 2021

MOC023-181-131822-
/O.EXP.KPAH.FF.W.0049.000000T0000Z-210813T1815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Butler MO-Ripley MO-
112 PM CDT Fri Aug 13 2021

...FLASH FLOOD WARNING WILL EXPIRE AT 115 PM CDT THIS AFTERNOON FOR 
NORTHWESTERN BUTLER AND NORTHEASTERN RIPLEY COUNTIES...

Flood waters have receded. Flooding is no longer expected to pose a 
threat. Please continue to heed remaining road closures.

LAT...LON 3681 9066 3684 9066 3687 9051 3669 9042
      3669 9086 3681 9086 3681 9083

$$

AL

The office that day

Everything else NWS Paducah, KY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 12, 7:23 PM CDT	Severe Thunderstorm Warning	PAH	Perry	52 min
Aug 12, 8:05 PM CDT	Special Weather Statement	PAH	Perry	40 min
Aug 12, 8:11 PM CDT	Severe Thunderstorm Warning	PAH	Bollinger, Cape Girardeau, Perry	49 min
Aug 12, 8:34 PM CDT	Special Weather Statement	PAH	Cape Girardeau	71 min
Aug 12, 9:39 PM CDT	Special Weather Statement	PAH	Cape Girardeau	66 min
Aug 12, 9:42 PM CDT	Special Weather Statement	PAH	Bollinger, Carter, Wayne	63 min
Aug 12, 10:44 PM CDT	Special Weather Statement	PAH	Butler, Ripley, Scott, Stoddard	46 min
Aug 12, 11:07 PM CDT	Special Weather Statement	PAH	Mississippi, New Madrid	68 min
Aug 13, 9:52 AM CDT	Special Weather Statement	PAH	Ripley	23 min
Aug 13, 10:12 AM CDT	Areal Flood Advisory	PAH	Butler, Carter, Ripley	2 hr
Aug 13, 10:19 AM CDT	Special Weather Statement	PAH	Butler	41 min
Aug 13, 10:37 AM CDT	Flash Flood Warning	PAH	Butler	3 hr
Aug 13, 10:54 AM CDT	Flash Flood Warning	PAH	Stoddard	4 hr
Aug 13, 11:07 AM CDT	Areal Flood Advisory	PAH	Wayne	3 hr
Aug 13, 11:37 AM CDT	Areal Flood Advisory	PAH	Bollinger	3 hr

Nearby

Flash Flood Warnings in Missouri, 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.