Alert archive / Missouri / Flash Flood Warnings in 2018

Flash Flood Warning 13, NWS Paducah, KY

May 31, 2018Carter County, Missouri

NWS Paducah, KY issued this flash flood warning at May 31, 2018, 5:14 PM CDT for Carter County, Missouri. It was in force for 3 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: May 31, 2018, 5:14 PM CDT (22:14 UTC)
Expired: May 31, 2018, 8:15 PM CDT
In force: 3 hr
Issued by: NWS Paducah, KY
Area: Storm-based polygon
Flood severity: None

County Carter County, MO

The radar

The Paducah radar (KPAH), 186 km from the middle of the area, began a volume at 22:16 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

Little Rock, AR (KBYH), launched 12:00Z, 10.2 hours before the alert went out and 251 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: 1378 J/kg
Mixed-layer CIN: -146 J/kg
Mixed-layer LCL: 988 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: -96 m²/s²
0-3 km storm-relative helicity: -96 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

256 
WGUS53 KPAH 312214
FFWPAH
MOC035-010115-
/O.NEW.KPAH.FF.W.0013.180531T2214Z-180601T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Paducah KY
514 PM CDT THU MAY 31 2018

The National Weather Service in Paducah has issued a

* Flash Flood Warning for...
  Carter County in southeastern Missouri...

* Until 815 PM CDT.

* At 513 PM CDT, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Up to two inches of rain have 
  already fallen over the past hour in the northwest part of the 
  county. Flash flooding is expected to begin shortly.

* Some locations that will experience flooding include...
  Van Buren, Ellsinore, Hunter, Fremont and Grandin. 

Additional rainfall amounts of 1 to 2 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.

&&

LAT...LON 3709 9122 3708 9111 3710 9096 3705 9096
      3705 9073 3700 9073 3700 9071 3697 9072
      3697 9070 3693 9070 3693 9068 3689 9068
      3688 9066 3681 9066 3681 9090 3682 9101
      3683 9122

$$

SP

1 follow-up statement

370 
WGUS73 KPAH 312320
FFSPAH

Flash Flood Statement
National Weather Service Paducah KY
620 PM CDT THU MAY 31 2018

MOC035-010115-
/O.CON.KPAH.FF.W.0013.000000T0000Z-180601T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Carter MO-
620 PM CDT THU MAY 31 2018

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 815 PM CDT FOR
CARTER COUNTY...

At 617 PM CDT, Doppler radar indicated thunderstorms producing heavy 
rain had mostly moved out of the warned area. Dopplar estimates show 
1 to 2.5 inches of rain have fallen across much of the county.

Additional thunderstorms may move into the county over the next 
couple hours, so flooding will remain possible.

Some locations that will experience flooding include...
Van Buren, Ellsinore, Hunter, Fremont and Grandin. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.

&&

LAT...LON 3709 9122 3708 9111 3710 9096 3705 9096
      3705 9073 3700 9073 3700 9071 3697 9072
      3697 9070 3693 9070 3693 9068 3689 9068
      3688 9066 3681 9066 3681 9090 3682 9101
      3683 9122

$$

SP

The office that day

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

Issued	Product	Office	Counties	Lasted
May 31, 8:50 AM CDT	Severe Thunderstorm Warning	PAH	Cape Girardeau, Perry	17 min
May 31, 2:36 PM CDT	Severe Thunderstorm Warning	PAH	Mississippi	39 min
May 31, 4:49 PM CDT	Severe Thunderstorm Warning	PAH	Carter	41 min
May 31, 5:27 PM CDT	Severe Thunderstorm Warning	PAH	Carter	48 min
May 31, 6:10 PM CDT	Special Weather Statement	PAH	Butler	50 min
May 31, 6:28 PM CDT	Special Weather Statement	PAH	Butler	17 min

Nearby

Flash Flood Warnings in Missouri, 2018 Every flash flood warning in 2018

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.