Alert archive / Tennessee / Flash Flood Warnings in 2016

Flash Flood Warning 2, NWS Memphis, TN

February 2, 2016Shelby County, Tennessee

NWS Memphis, TN issued this flash flood warning at Feb 2, 2016, 3:29 PM CST for Shelby County, Tennessee. It was in force for 2 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
Feb 2, 2016, 3:29 PM CST (21:29 UTC)
Expired
Feb 2, 2016, 5:30 PM CST
In force
2 hr
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Flood severity
None

County Shelby County, TN

The radar

The Memphis radar (KNQA), 26 km from the middle of the area, began a volume at 21:33 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

TimeReportWhereRemark
Feb 2, 3:58 PM CSTFLASH FLOODE Downtown Memphis, TNFLOODING ON INTERSTATE 40 AT DANNY THOMAS.

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 (KBYH), launched 12:00Z, 9.5 hours before the alert went out and 40 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 12:00Z on 2016-02-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 226 joules per kilogram.LCLLFCEL10008507005003002001001 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 12:00Z on 2016-02-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 403 square meters per square second.1939587897117136Sfc1 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
226 J/kg
Mixed-layer CIN
-78 J/kg
Mixed-layer LCL
520 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
403 m²/s²
0-3 km storm-relative helicity
512 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.2

Open this sounding in Storm Lab

The text

As transmitted.

878 
WGUS54 KMEG 022129
FFWMEG
TNC157-022330-
/O.NEW.KMEG.FF.W.0002.160202T2129Z-160202T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
329 PM CST TUE FEB 2 2016

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CENTRAL SHELBY COUNTY IN WEST TENNESSEE...

* UNTIL 530 PM CST

* AT 327 PM CST...DOPPLER RADAR ESTIMATES 1 INCH OF RAIN HAS
  OCCURRED IN THE PAST 30 MINUTES. SHOWERS AND THUNDERSTORMS WILL
  PRODUCE AN ADDITIONAL INCH OF RAIN OVER THE NEXT 2 HOURS.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  BARTLETT...MILLINGTON...T O FULLER STATE PARK...MEMPHIS...DOWNTOWN
  MEMPHIS...FRAYSER...MIDTOWN MEMPHIS...SOUTHWEST MEMPHIS...
  WHITEHAVEN...CUBA...KERRVILLE...RALEIGH...SPRING LAKE...GRIFFIN
  CORNER...WOODSTOCK...PRESIDENTS ISLAND...SLOANVILLE...LUCY...LOCKE
  AND BENJESTOWN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3513 9013 3512 9009 3514 9006 3515 9007
      3516 9010 3517 9011 3521 9009 3521 9007
      3523 9008 3539 9000 3539 8982 3500 8995
      3500 9020

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 2, 12:02 PM CSTFlash Flood WarningMEGFayette, Shelby3 hr
Feb 2, 1:50 PM CSTSevere Thunderstorm WarningMEGChester, Henderson, Madison25 min
Feb 2, 2:01 PM CSTTornado WarningMEGChester, Henderson, Madison29 min
Feb 2, 2:26 PM CSTSevere Thunderstorm WarningMEGBenton, Carroll, Decatur, Henderson34 min
Feb 2, 3:45 PM CSTSpecial Weather StatementMEGShelby, Tipton45 min
Feb 2, 4:06 PM CSTFlash Flood WarningMEGFayette, Shelby114 min

Nearby

Flash Flood Warnings in Tennessee, 2016Every flash flood warning in 2016

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.