Alert archive / Missouri / Flash Flood Warnings in 2021

Flash Flood Warning 13, NWS Paducah, KY

May 4, 2021Stoddard County, Missouri

NWS Paducah, KY issued this flash flood warning at May 4, 2021, 2:55 AM CDT for Stoddard County, Missouri. It was in force for 5 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: May 4, 2021, 2:55 AM CDT (07:55 UTC)
Expired: May 4, 2021, 8:24 AM CDT
In force: 5 hr
Issued by: NWS Paducah, KY
Area: Storm-based polygon
Flood severity: None

County Stoddard County, MO

The radar

The Paducah radar (KPAH), 125 km from the middle of the area, began a volume at 07:55 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
May 4, 3:30 AM CDT	FLASH FLOOD	4 Se Dudley, MO	EOC REPORTS WATER OVER ROADWAY AT COUNTY ROAD 659/ZZ.

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 00:00Z, 7.9 hours before the alert went out and 211 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: 3608 J/kg
Mixed-layer CIN: -3 J/kg
Mixed-layer LCL: 1081 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 36 m²/s²
0-3 km storm-relative helicity: 199 m²/s²
Significant tornado parameter: 2.3
Supercell composite: 15.3

Open this sounding in Storm Lab

The text

As transmitted.

782 
WGUS53 KPAH 040755
FFWPAH
MOC207-041100-
/O.NEW.KPAH.FF.W.0013.210504T0755Z-210504T1100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Paducah KY
255 AM CDT Tue May 4 2021

The National Weather Service in Paducah has issued a

* Flash Flood Warning for...
  Southern Stoddard County in southeastern Missouri...

* Until 600 AM CDT.

* At 255 AM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 0.5 and 1.5 inches of 
  rain have fallen. Flash flooding is ongoing or expected to begin 
  shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Doppler radar.

  IMPACT...Flooding of small creeks and streams, urban areas,
           highways, streets and underpasses as well as other
           drainage and low lying areas.

* Some locations that will experience flash flooding include...
  Dexter, Bernie, Morehouse, Essex, Dudley, Baker and Penermon.

Additional rainfall amounts of 0.5 to 1.5 inches are possible in the 
warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3665 9015 3665 9013 3668 9015 3670 9014
      3670 9015 3672 9015 3676 9019 3677 9019
      3678 9020 3679 9020 3682 9021 3686 9008
      3686 8970 3663 8970 3663 9015 3664 9014

FLASH FLOOD...RADAR INDICATED

$$

AL

3 follow-up statements

179 
WGUS73 KPAH 040920
FFSPAH

Flash Flood Statement
National Weather Service Paducah KY
420 AM CDT Tue May 4 2021

MOC207-041100-
/O.CON.KPAH.FF.W.0013.000000T0000Z-210504T1100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Stoddard MO-
420 AM CDT Tue May 4 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 6 AM CDT EARLY THIS 
MORNING FOR SOUTHERN STODDARD COUNTY...

At 420 AM CDT, Emergency management reported flooding at several 
locations across Stoddard County. Between 1 and 2.5 inches of rain 
have fallen. Flash flooding is ongoing.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Emergency management.

IMPACT...Flooding of small creeks and streams, urban areas,
         highways, streets and underpasses as well as other
         drainage and low lying areas.

Some locations that will experience flash flooding include...
  Dexter, Bernie, Morehouse, Essex, Dudley, Baker and Penermon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3665 9015 3665 9013 3668 9015 3670 9014
      3670 9015 3672 9015 3676 9019 3677 9019
      3678 9020 3679 9020 3682 9021 3686 9008
      3686 8970 3663 8970 3663 9015 3664 9014

FLASH FLOOD...OBSERVED

$$

AL

810 
WGUS53 KPAH 041035
FFWPAH
MOC207-041400-
/O.EXT.KPAH.FF.W.0013.000000T0000Z-210504T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Paducah KY
535 AM CDT Tue May 4 2021

The National Weather Service in Paducah has extended the

* Flash Flood Warning for...
  Southern Stoddard County in southeastern Missouri...

* Until 900 AM CDT.

* At 535 AM CDT, emergency management reported flash flooding 
  ongoing. Between 1 and 2.5 inches of rain have fallen.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Emergency management.

  IMPACT...Flooding of small creeks and streams, urban areas,
           highways, streets and underpasses as well as other
           drainage and low lying areas.

* Some locations that will experience flash flooding include...
  Dexter, Bernie, Morehouse, Essex, Dudley, Baker and Penermon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3665 9015 3665 9013 3668 9015 3670 9014
      3670 9015 3672 9015 3676 9019 3677 9019
      3678 9020 3679 9020 3682 9021 3686 9008
      3686 8970 3663 8970 3663 9015 3664 9014

FLASH FLOOD...OBSERVED

$$

AL

931 
WGUS73 KPAH 041324
FFSPAH

Flash Flood Statement
National Weather Service Paducah KY
824 AM CDT Tue May 4 2021

MOC207-041334-
/O.CAN.KPAH.FF.W.0013.000000T0000Z-210504T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Stoddard MO-
824 AM CDT Tue May 4 2021

...THE FLASH FLOOD WARNING FOR SOUTHERN STODDARD COUNTY IS
CANCELLED...

The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed any remaining road closures.

LAT...LON 3665 9015 3665 9013 3668 9015 3670 9014
      3670 9015 3672 9015 3676 9019 3677 9019
      3678 9020 3679 9020 3682 9021 3686 9008
      3686 8970 3663 8970 3663 9015 3664 9014

$$

York

The office that day

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

Issued	Product	Office	Counties	Lasted
May 4, 1:36 AM CDT	Severe Thunderstorm Warning	PAH	New Madrid	54 min
May 4, 1:43 AM CDT	Severe Thunderstorm Warning	PAH	Butler, Carter, New Madrid, Ripley, Wayne	62 min
May 4, 1:55 AM CDT	Tornado Warning	PAH	Ripley	21 min
May 4, 2:02 AM CDT	Severe Thunderstorm Warning	PAH	Mississippi, New Madrid	43 min
May 4, 2:22 AM CDT	Severe Thunderstorm Warning	PAH	Mississippi, New Madrid, Scott, Stoddard	53 min
May 4, 2:27 AM CDT	Flash Flood Warning	PAH	Ripley	3 hr
May 4, 2:50 AM CDT	Severe Thunderstorm Warning	PAH	Mississippi, New Madrid, Scott, Stoddard	55 min
May 4, 3:10 AM CDT	Areal Flood Advisory	PAH	Mississippi, New Madrid	3 hr
May 4, 5:49 AM CDT	Areal Flood Warning	PAH	Stoddard	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.