Alert archive / Tennessee / Flash Flood Warnings in 2015

Flash Flood Warning 21, NWS Memphis, TN

May 16, 2015Carroll County, Gibson County, Madison County, Tennessee

NWS Memphis, TN issued this flash flood warning at May 16, 2015, 7:25 PM CDT for Carroll County, Gibson County, Madison County, Tennessee. 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
May 16, 2015, 7:25 PM CDT (00:25 UTC)
Expired
May 17, 2015, 1:30 AM CDT
In force
6 hr
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Flood severity
None

Counties Carroll County, TN, Gibson County, TN, Madison County, TN

The nearest sounding before it

Little Rock, AR (KBYH), launched 00:00Z, 0.4 hours before the alert went out and 149 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, Little Rock, AR at 00:00Z on 2015-05-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1830 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Little Rock, AR at 00:00Z on 2015-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 156 square meters per square second.193958Sfc1 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
1830 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
895 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
156 m²/s²
0-3 km storm-relative helicity
196 m²/s²
Significant tornado parameter
1.2
Supercell composite
7.7

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

610 
WGUS54 KMEG 170025
FFWMEG
TNC017-053-113-170630-
/O.NEW.KMEG.FF.W.0021.150517T0025Z-150517T0630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
725 PM CDT SAT MAY 16 2015

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHWESTERN CARROLL COUNTY IN WEST TENNESSEE...
  SOUTHEASTERN GIBSON COUNTY IN WEST TENNESSEE...
  NORTH CENTRAL MADISON COUNTY IN WEST TENNESSEE...

* UNTIL 130 AM CDT SUNDAY

* AT 725 PM CDT...DOPPLER RADAR ESTIMATES 3 TO 4 INCHES OF RAIN HAS 
  OCCURRED OVER THE PAST 3 HOURS. SHOWERS AND THUNDERSTORMS WILL 
  PRODUCE AN ADDITIONAL 1 TO 2 INCHES OF RAIN OVER THE NEXT 6 HOURS.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  HUMBOLDT...MILAN...FAIRVIEW...THREE WAY...ATWOOD...MEDINA...
  TREZEVANT...GIBSON...NEW ENTERPRISE...WEST...SITKA...MOORES
  CHAPEL...LAVINIA...FRUITLAND...GOAT CITY...WHITTHORNE...CADES AND
  LEDBETTER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.

&&

LAT...LON 3574 8890 3577 8891 3579 8891 3580 8892
      3591 8896 3604 8863 3579 8860

$$
2 follow-up statements
329 
WGUS74 KMEG 170237
FFSMEG

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
937 PM CDT SAT MAY 16 2015

TNC017-053-113-170630-
/O.CON.KMEG.FF.W.0021.000000T0000Z-150517T0630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CARROLL TN-GIBSON TN-MADISON TN-
937 PM CDT SAT MAY 16 2015

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 130 AM CDT SUNDAY
FOR SOUTHWESTERN CARROLL...SOUTHEASTERN GIBSON AND NORTH CENTRAL
MADISON COUNTIES...

AT 933 PM CDT...DOPPLER RADAR ESTIMATES 4 TO 5 INCHES OF RAIN HAS 
OCCURRED OVER THE PAST 3 HOURS. TRAINED SPOTTERS HAD REPORTED 
FLOODING IN MILAN THIS EVENING. FLOODING IS EXPECTED TO STILL LINGER 
FOR THE NEXT FEW HOURS EVEN THOUGH THE THREAT FOR ADDITIONAL RAIN 
HAS DIMINISHED.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
HUMBOLDT...MILAN...FAIRVIEW...THREE WAY...ATWOOD...MEDINA...
TREZEVANT...GIBSON...NEW ENTERPRISE...WEST...SITKA...MOORES CHAPEL...
LAVINIA...FRUITLAND...GOAT CITY...WHITTHORNE...CADES AND LEDBETTER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.

&&

LAT...LON 3574 8890 3577 8891 3579 8891 3580 8892
      3591 8896 3604 8863 3579 8860

$$
628 
WGUS74 KMEG 170415
FFSMEG

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
1115 PM CDT SAT MAY 16 2015

TNC017-053-113-170424-
/O.CAN.KMEG.FF.W.0021.000000T0000Z-150517T0630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CARROLL TN-GIBSON TN-MADISON TN-
1115 PM CDT SAT MAY 16 2015

...THE FLASH FLOOD WARNING FOR SOUTHWESTERN CARROLL...SOUTHEASTERN
GIBSON AND NORTH CENTRAL MADISON COUNTIES IS CANCELLED...

THE THREAT FOR ADDITIONAL RAIN HAS ENDED...AND FLOODING IS NO LONGER 
EXPECTED TO POSE A THREAT. PLEASE CONTINUE TO HEED ALL ROAD CLOSURES.

LAT...LON 3574 8890 3577 8891 3579 8891 3580 8892
      3591 8896 3604 8863 3579 8860

$$

The office that day

Everything else NWS Memphis, TN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 16, 9:02 PM CDTRiver Flood WarningMEGCrockett, Dyer, Lauderdale31 hr
May 17, 3:47 AM CDTFlash Flood WatchMEGBenton, Carroll, Chester, Crockett, Decatur, Dyer and 15 more31 hr
May 17, 1:09 PM CDTFlash Flood WarningMEGHardeman3 hr

Nearby

Flash Flood Warnings in Tennessee, 2015Every flash flood warning in 2015

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.