Alert archive / Louisiana / Flash Flood Warnings in 2016

Flash Flood Warning 129, NWS Jackson, MS

July 28, 2016Morehouse Parish, West Carroll Parish, Louisiana

NWS Jackson, MS issued this flash flood warning at Jul 28, 2016, 1:28 PM CDT for Morehouse Parish, West Carroll Parish, Louisiana. It was in force for 92 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 28, 2016, 1:28 PM CDT (18:28 UTC)
Expired
Jul 28, 2016, 3:00 PM CDT
In force
92 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Flood severity
None

Counties Morehouse Parish, LA, West Carroll Parish, LA

The radar

The Jackson/Brandon,MS radar (KDGX), 168 km from the middle of the area, began a volume at 18:29 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

Jackson, MS (KJAN), launched 12:00Z, 6.5 hours before the alert went out and 158 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, Jackson, MS at 12:00Z on 2016-07-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 435 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, Jackson, MS at 12:00Z on 2016-07-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 125 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
435 J/kg
Mixed-layer CIN
-59 J/kg
Mixed-layer LCL
769 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
125 m²/s²
0-3 km storm-relative helicity
124 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

908 
WGUS54 KJAN 281828
FFWJAN
LAC067-123-282000-
/O.NEW.KJAN.FF.W.0129.160728T1828Z-160728T2000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
128 PM CDT THU JUL 28 2016

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHWESTERN WEST CARROLL PARISH IN NORTHEASTERN LOUISIANA...
  SOUTHWESTERN MOREHOUSE PARISH IN NORTHEASTERN LOUISIANA...

* UNTIL 300 PM CDT

* AT 127 PM CDT...DOPPLER RADAR INDICATED HEAVY RAIN CONTINUING TO
  MOVE ACROSS THE WARNED AREA AND FLASH FLOODING WILL CONTINUE. UP
  TO SIX INCHES OF RAIN HAS FALLEN IN THE WARNING AREA AND AN
  ADDITIONAL ONE TO TWO INCHES OF RAIN IS POSSIBLE.  

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  BASTROP...DARNELL...EPPS...MER ROUGE...COLLINSTON AND OAK RIDGE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 3271 9137 3268 9140 3261 9139 3258 9145
      3258 9159 3267 9160 3267 9164 3261 9167
      3261 9172 3256 9174 3257 9181 3252 9184
      3254 9188 3252 9190 3258 9193 3266 9191
      3266 9194 3271 9197 3270 9205 3282 9207

$$

EEC

The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 28, 10:02 AM CDTFlash Flood WarningJANFranklin, Madison, Richland4 hr
Jul 28, 10:26 AM CDTFlash Flood WarningJANMorehouse, West Carroll3 hr
Jul 28, 2:26 PM CDTFlash Flood WarningJANFranklin, Madison, Richland3 hr
Jul 28, 5:08 PM CDTAreal Flood WarningJANFranklin6 hr

Nearby

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