Alert archive / Mississippi / Flash Flood Warnings in 2017

Flash Flood Warning 39, NWS Memphis, TN

June 16, 2017Tippah County, Mississippi

NWS Memphis, TN issued this flash flood warning at Jun 16, 2017, 5:00 PM CDT for Tippah County, Mississippi. It was in force for 2 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
Jun 16, 2017, 5:00 PM CDT (22:00 UTC)
Expired
Jun 16, 2017, 7:00 PM CDT
In force
2 hr
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Flood severity
None

County Tippah County, MS

The radar

The Memphis radar (KNQA), 101 km from the middle of the area, began a volume at 22:02 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, 10.0 hours before the alert went out and 93 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 2017-06-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 800 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 2017-06-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -6 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
800 J/kg
Mixed-layer CIN
-305 J/kg
Mixed-layer LCL
1569 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
-6 m²/s²
0-3 km storm-relative helicity
24 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

369 
WGUS54 KMEG 162200
FFWMEG
MSC139-170000-
/O.NEW.KMEG.FF.W.0039.170616T2200Z-170617T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Memphis TN
500 PM CDT FRI JUN 16 2017

The National Weather Service in Memphis has issued a

* Flash Flood Warning for...
  Central Tippah County in northeastern Mississippi...

* Until 700 PM CDT

* At 500 PM CDT...Doppler Radar estimates 2 to 4 inches of rain has 
  occurred over the past hour. Showers and thunderstorms will 
  produce an additional inch of rain over the next 2 hours.

* Some locations that will experience flooding include...
  Falkner and Tiplersville. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Please report flooding to your local law enforcement agency when you
can do so safely.

&&

LAT...LON 3492 8887 3476 8888 3480 8901 3492 8901

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 16, 5:34 AM CDTSpecial Weather StatementMEGTallahatchie41 min
Jun 16, 6:25 AM CDTDense Fog AdvisoryMEGAlcorn, Tishomingo2 hr
Jun 16, 1:30 PM CDTSpecial Weather StatementMEGCoahoma, Quitman30 min
Jun 16, 1:33 PM CDTSevere Thunderstorm WarningMEGDeSoto, Tunica42 min
Jun 16, 2:04 PM CDTSpecial Weather StatementMEGCoahoma, Quitman, Tate, Tunica41 min
Jun 16, 2:53 PM CDTSpecial Weather StatementMEGPanola, Quitman, Tallahatchie52 min
Jun 16, 3:19 PM CDTSpecial Weather StatementMEGLafayette41 min
Jun 16, 3:41 PM CDTSpecial Weather StatementMEGCalhoun49 min
Jun 16, 4:16 PM CDTSpecial Weather StatementMEGTippah29 min
Jun 16, 4:25 PM CDTSpecial Weather StatementMEGChickasaw50 min
Jun 16, 4:34 PM CDTSevere Thunderstorm WarningMEGChickasaw, Monroe41 min

Nearby

Flash Flood Warnings in Mississippi, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.