Alert archive / Louisiana / Flash Flood Warnings in 2016

Flash Flood Warning 40, NWS Jackson, MS

March 10, 2016Catahoula Parish, Concordia Parish, Louisiana

NWS Jackson, MS issued this flash flood warning at Mar 10, 2016, 1:15 PM CST for Catahoula Parish, Concordia Parish, Louisiana. It was in force for 6 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: Mar 10, 2016, 1:15 PM CST (19:15 UTC)
Expired: Mar 10, 2016, 7:15 PM CST
In force: 6 hr
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Flood severity: None

Counties Catahoula Parish, LA, Concordia Parish, LA

The radar

The Ft Polk radar (KPOE), 131 km from the middle of the area, began a volume at 19:16 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

Time	Report	Where	Remark
Mar 10, 2:00 PM CST	FLASH FLOOD	Vidalia, LA	PARTS OF SAGE AND BJ ROADS ARE FLOODED.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 7.3 hours before the alert went out and 173 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 16 J/kg
Mixed-layer CIN: -102 J/kg
Mixed-layer LCL: 628 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: 420 m²/s²
0-3 km storm-relative helicity: 585 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

Open this sounding in Storm Lab

The text

As transmitted.

557 
WGUS54 KJAN 101915
FFWJAN
LAC025-029-110115-
/O.NEW.KJAN.FF.W.0040.160310T1915Z-160311T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
115 PM CST THU MAR 10 2016

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CONCORDIA PARISH IN NORTHEASTERN LOUISIANA...
  CATAHOULA PARISH IN NORTHEASTERN LOUISIANA...

* UNTIL 715 PM CST THURSDAY
    
* AT 114 PM CST...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. UP TO THREE INCHES OF RAIN HAVE
  ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  NATCHEZ...VIDALIA...FERRIDAY...MONTEREY...LARTO...JONESVILLE...
  CLAYTON...WILDSVILLE...SLOCUM...NEW ERA...WALLACE RIDGE...
  SHERWOOD...MANIFEST...MAYNA...ROSEFIELD...FROGMORE...WALTERS...DEER
  PARK...ARCHIE AND SPOKANE.

ADDITIONAL RAINFALL AMOUNTS OF 2 TO 4 INCHES ARE POSSIBLE IN THE
WARNED AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 3193 9201 3193 9191 3197 9190 3187 9178
      3194 9160 3176 9156 3175 9138 3162 9140
      3163 9152 3158 9140 3152 9152 3137 9147
      3141 9158 3128 9152 3125 9166 3119 9159
      3113 9163 3129 9189 3122 9194 3128 9202

$$

17

1 follow-up statement

518 
WGUS74 KJAN 102045
FFSJAN

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
245 PM CST THU MAR 10 2016

LAC025-029-110115-
/O.CON.KJAN.FF.W.0040.000000T0000Z-160311T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CONCORDIA LA-CATAHOULA LA-
245 PM CST THU MAR 10 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 715 PM CST
THURSDAY FOR CONCORDIA AND CATAHOULA PARISHES...

AT 244 PM CST...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING HEAVY
RAIN ACROSS THE WARNED AREA. UP TO THREE INCHES OF RAIN HAVE ALREADY
FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY. IN VIDALIA
PARTS OF SAGE AND BJ ROADS ARE FLOODED.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
NATCHEZ...VIDALIA...FERRIDAY...MONTEREY...LARTO...JONESVILLE...
CLAYTON...WILDSVILLE...SLOCUM...NEW ERA...WALLACE RIDGE...SHERWOOD...
MANIFEST...MAYNA...ROSEFIELD...FROGMORE...WALTERS...DEER PARK...
ARCHIE AND SPOKANE.

ADDITIONAL RAINFALL AMOUNTS OF 2 TO 4 INCHES ARE POSSIBLE IN THE
WARNED AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 3193 9201 3193 9191 3197 9190 3187 9178
      3194 9160 3176 9156 3175 9138 3162 9140
      3163 9152 3158 9140 3152 9152 3137 9147
      3141 9158 3128 9152 3125 9166 3119 9159
      3113 9163 3129 9189 3122 9194 3128 9202

$$

17

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 9, 6:09 PM CST	Special Weather Statement	JAN	Morehouse	36 min
Mar 9, 6:15 PM CST	Flash Flood Warning	JAN	Morehouse	6 hr
Mar 9, 9:17 PM CST	Special Weather Statement	JAN	Morehouse, West Carroll	28 min
Mar 9, 9:32 PM CST	Flash Flood Warning	JAN	Richland, West Carroll	3 hr
Mar 9, 9:46 PM CST	Special Weather Statement	JAN	West Carroll	29 min
Mar 10, 12:15 AM CST	Flash Flood Warning	JAN	Morehouse, Richland, West Carroll	9 hr
Mar 10, 12:19 AM CST	Flash Flood Warning	JAN	East Carroll	3 hr
Mar 10, 12:30 AM CST	River Flood Warning	JAN	Richland	28 days
Mar 10, 12:30 AM CST	River Flood Warning	JAN	Franklin	66 days
Mar 10, 3:15 AM CST	Flash Flood Warning	JAN	East Carroll, Madison	5 hr
Mar 10, 7:46 AM CST	Areal Flood Warning	JAN	East Carroll, Madison	3 hr
Mar 10, 8:44 AM CST	Flash Flood Warning Emergency	JAN	Morehouse, Richland, West Carroll	3 hr
Mar 10, 8:54 AM CST	Flash Flood Warning	JAN	Franklin	4 hr
Mar 10, 9:27 AM CST	Special Weather Statement	JAN	Madison, Tensas, West Carroll	48 min
Mar 10, 9:36 AM CST	Severe Thunderstorm Warning	JAN	Madison, Tensas	39 min
Mar 10, 9:38 AM CST	Flash Flood Warning	JAN	East Carroll, Madison	4 hr
Mar 10, 11:38 AM CST	River Flood Warning	JAN	Madison, Tensas	4 days
Mar 10, 11:38 AM CST	River Flood Warning	JAN	Concordia	22 days
Mar 10, 11:40 AM CST	Flash Flood Warning	JAN	Morehouse, Richland, West Carroll	21 hr
Mar 10, 12:43 PM CST	Flash Flood Warning	JAN	Franklin	6 hr
Mar 10, 1:03 PM CST	Flash Flood Warning	JAN	East Carroll, Madison	6 hr
Mar 10, 1:16 PM CST	River Flood Warning	JAN	Madison	32 hr
Mar 10, 1:16 PM CST	River Flood Warning	JAN	Catahoula, Concordia, Tensas	47 hr
Mar 10, 1:16 PM CST	River Flood Warning	JAN	Franklin	4 days
Mar 10, 1:30 PM CST	River Flood Warning	JAN	Catahoula, Concordia	29 days
Mar 10, 1:32 PM CST	River Flood Warning	JAN	Avoyelles, Catahoula, Concordia	19 days
Mar 10, 1:43 PM CST	Flash Flood Warning	JAN	Madison, Tensas	6 hr

Nearby

Flash Flood Warnings in Louisiana, 2016 Every 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.