Alert archive / Tennessee / Flash Flood Warnings in 2011

Flash Flood Warning 7, NWS Memphis, TN

December 31, 2010Decatur County, Hardin County, Henderson County, Tennessee

NWS Memphis, TN issued this flash flood warning at Dec 31, 2010, 11:51 PM CST for Decatur County, Hardin County, Henderson County, Tennessee. 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
Dec 31, 2010, 11:51 PM CST (05:51 UTC)
Expired
Jan 1, 2011, 2:45 AM CST
In force
3 hr
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Flood severity
None

Counties Decatur County, TN, Hardin County, TN, Henderson County, TN

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 5.9 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, Nashville Metro, TN at 00:00Z on 2011-01-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Nashville Metro, TN at 00:00Z on 2011-01-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 308 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1460 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
308 m²/s²
0-3 km storm-relative helicity
364 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

675 
WGUS54 KMEG 010551
FFWMEG
TNC039-071-077-010845-
/O.NEW.KMEG.FF.W.0007.110101T0551Z-110101T0845Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
1151 PM CST FRI DEC 31 2010

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  DECATUR COUNTY IN TENNESSEE...
  NORTHERN HARDIN COUNTY IN SOUTHWEST TENNESSEE...
  SOUTHEASTERN HENDERSON COUNTY IN SOUTHWEST TENNESSEE...

* UNTIL 245 AM CST

* AT 1149 PM CST...DOPPLER RADAR ESTIMATES ONE QUARTER TO ON-HALF
INCH OF RAINFALL HAS OCCURRED OVER THE PAST 3 HOURS OVER PARTS OF 
DECATUR COUNTY. SHOWERS AND THUNDERSTORMS WILL PRODUCE AN ADDITIONAL 
1 TO 3 INCHES OF RAIN OVER THE NEXT 3 HOURS.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO RURAL AREAS
  OF DECATUR...EASTERN HENDERSON AND NORTHERN HARDIN COUNTIES.

THIS WARNING INCLUDES THE FOLLOWING LOW WATER CROSSINGS IN DECATUR 
COUNTY...BEAR CREEK AT OLD LEXINGTON ROAD...BLUNT ROAD AT RUSHING 
CREEK...BUCKNER BRANCH AT BIBLE HILL ROAD...BUCKNER BRANCH AT 
NORTHWOOD STREET...CHEROKEE HEIGHTS ROAD AT OAK PARK DRIVE...CONCORD 
ROAD NEAR OLD 69...ELIZABETH STREET...FAIRGROUND ROAD...HOG CREEK AT 
HAYNES ROAD AND HARTLEY CEMETERY ROAD...LARGO ROAD...LASTER BRANCH AT
CONCORD ROAD...MARTIN LANDING ROAD AT CAMPBELLS BRANCH...MILLS BRANCH
AT HOG CREEK ROAD...MT CARMEL ROAD AT ELKINS BRANCH...RICKETTS CREEK 
AT CHEROKEE HEIGHTS ROAD...ROBERT GURLEY ROAD AT STEWMAN 
CREEK...ROCKY BRANCH AT BIBLE HILL ROAD...RUSHING CREEK AT LARGO 
ROAD...SCENIC LANE AT SELF SLOUGH...SIMS BOTTOM ROAD AT WHITES 
CREEK...SULFUR FORK AT BIBLE HILL ROAD AND W O BAKER ROAD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

.MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE
INTO AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE
USUALLY DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS
POWERFUL ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING
FLOODED ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.

.STAY TUNED TO THIS BROADCAST FOR THE LATEST UPDATES AND INFORMATION.
TO REPORT FLASH FLOODING ONLY...CALL 1 800 4 3 2 0 8 7 5.

&&

LAT...LON 3539 8798 3539 8802 3537 8802 3537 8836
      3556 8819 3582 8819 3582 8801 3563 8803
      3553 8799 3548 8799 3547 8802 3544 8804
      3542 8799

$$
1 follow-up statement
981 
WGUS74 KMEG 010844
FFSMEG

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
244 AM CST SAT JAN 1 2011

TNC039-071-077-010854-
/O.EXP.KMEG.FF.W.0007.000000T0000Z-110101T0845Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DECATUR TN-HENDERSON TN-HARDIN TN-
244 AM CST SAT JAN 1 2011

...THE FLASH FLOOD WARNING WILL EXPIRE AT 245 AM CST FOR NORTHERN
HARDIN...EASTERN HENDERSON AND DECATUR COUNTIES...

THE HEAVY RAINFALL WHICH PROMPTED THE WARNING HAS DIMINISHED ACROSS
THE WARNED AREA. THUS THE FLASH FLOOD WARNING HAS BEEN ALLOWED TO
EXPIRE.

.STAY TUNED TO THIS BROADCAST FOR THE LATEST UPDATES AND INFORMATION.
TO REPORT SEVERE WEATHER ONLY...CALL 1 800 4 3 2 0 8 7 5.

LAT...LON 3539 8798 3539 8802 3537 8802 3537 8836
      3556 8819 3582 8819 3582 8801 3563 8803
      3553 8799 3548 8799 3547 8802 3544 8804
      3542 8799

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 31, 6:01 PM CSTSpecial Weather StatementMEGShelby29 min
Dec 31, 6:08 PM CSTFlash Flood WarningMEGShelby, Tipton2 hr
Dec 31, 9:10 PM CSTSevere Thunderstorm WarningMEGShelby, Tipton35 min
Dec 31, 9:30 PM CSTFlash Flood WarningMEGShelby3 hr
Dec 31, 9:33 PM CSTSevere Thunderstorm WarningMEGChester, Crockett, Fayette, Hardeman, Haywood, Henry and 4 more145 days
Dec 31, 9:42 PM CSTSpecial Weather StatementMEGDyer33 min
Dec 31, 9:55 PM CSTSevere Thunderstorm WarningMEGDyer, Lauderdale145 days
Dec 31, 10:09 PM CSTSevere Thunderstorm WarningMEGCrockett, Haywood, Madison145 days
Dec 31, 10:32 PM CSTFlash Flood WatchMEGChester, Decatur, Hardeman, Hardin, Henderson, McNairy5 hr
Dec 31, 10:41 PM CSTSevere Thunderstorm WarningMEGChester, Fayette, Hardeman, Madison145 days
Dec 31, 10:59 PM CSTFlash Flood WarningMEGHardeman, Hardin, McNairy3 hr
Dec 31, 11:00 PM CSTSpecial Weather StatementMEGLake30 min

Nearby

Flash Flood Warnings in Tennessee, 2011Every flash flood warning in 2011

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.