Alert archive / Tennessee / Flash Flood Warnings in 2017

Flash Flood Warning 33, NWS Memphis, TN

June 5, 2017Dyer County, Tennessee

NWS Memphis, TN issued this flash flood warning at Jun 5, 2017, 12:29 PM CDT for Dyer County, Tennessee. It was in force for 3 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
Jun 5, 2017, 12:29 PM CDT (17:29 UTC)
Expired
Jun 5, 2017, 3:30 PM CDT
In force
3 hr
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Flood severity
None

County Dyer County, TN

The radar

The Memphis radar (KNQA), 90 km from the middle of the area, began a volume at 17:31 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
Jun 5, 2:08 PM CDTFLASH FLOOD2 Nw Dyersburg, TNELLEN DRIVE FLOODED IN DYERSBURG.

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, 5.5 hours before the alert went out and 147 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 2017-06-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 795 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 12:00Z on 2017-06-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -38 square meters per square second.1939Sfc1 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
795 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
471 m above ground
0-6 km bulk shear
3 kt
0-1 km storm-relative helicity
-38 m²/s²
0-3 km storm-relative helicity
-52 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

898 
WGUS54 KMEG 051729
FFWMEG
TNC045-052030-
/O.NEW.KMEG.FF.W.0033.170605T1729Z-170605T2030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Memphis TN
1229 PM CDT MON JUN 5 2017

The National Weather Service in Memphis has issued a

* Flash Flood Warning for...
  Central Dyer County in western Tennessee...

* Until 330 PM CDT

* At 1228 PM CDT...Doppler Radar estimates 1 to 3 inches of rain has
  occurred over the past hour. Showers and thunderstorms will produce
  an additional 2 to 4 inches of rain over the next 3 hours.

* Some locations that will experience flooding include...
  Dyersburg, Newbern, Heloise, Edgewood, Lenox, Middle City, Ayers,
  Churchton, Lapata, Jenkinsville, Maxey, Nauvoo, Templeton,
  Boothspoint, Big Boy Junction, Millsfield, Mengelwood and Finley.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3604 8916 3603 8969 3605 8969 3610 8966
      3612 8960 3613 8959 3615 8959 3617 8916

$$
1 follow-up statement
063 
WGUS74 KMEG 052024
FFSMEG

Flash Flood Statement
National Weather Service Memphis TN
324 PM CDT MON JUN 5 2017

TNC045-052033-
/O.EXP.KMEG.FF.W.0033.000000T0000Z-170605T2030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Dyer TN-
324 PM CDT MON JUN 5 2017

...THE FLASH FLOOD WARNING FOR CENTRAL DYER COUNTY WILL EXPIRE AT 330
PM CDT...

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

LAT...LON 3604 8916 3603 8969 3605 8969 3610 8966
      3612 8960 3613 8959 3615 8959 3617 8916

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 5, 11:52 AM CDTFlash Flood WatchMEGBenton, Carroll, Crockett, Dyer, Gibson, Henry and 4 more5 hr
Jun 5, 1:22 PM CDTFlash Flood WarningMEGDyer113 min
Jun 5, 3:11 PM CDTFlash Flood WarningMEGLake, Obion3 hr

Nearby

Flash Flood Warnings in Tennessee, 2017Every flash flood warning in 2017

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.