Alert archive / Louisiana / Flash Flood Warnings in 2016

Flash Flood Warning 8, NWS Shreveport, LA

March 8, 20165 parishes in Louisiana

NWS Shreveport, LA issued this flash flood warning at Mar 8, 2016, 9:00 PM CST for 5 parishes in Louisiana. It was in force for 12 hr. 5 reports 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 8, 2016, 9:00 PM CST (03:00 UTC)
Expired: Mar 9, 2016, 9:00 AM CST
In force: 12 hr
Issued by: NWS Shreveport, LA
Area: Storm-based polygon
Emergency: Flash flood emergency
Flood severity: None

Counties Bossier Parish, LA, Caddo Parish, LA, De Soto Parish, LA, Red River Parish, LA, Webster Parish, LA

The radar

The Shreveport radar (KSHV), 31 km from the middle of the area, began a volume at 03:03 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 8, 11:38 PM CST	FLASH FLOOD	Frierson, LA	WHITE SPRINGS ROAD IN FRIERSON FLOODED AND CLOSED.
Mar 8, 11:43 PM CST	FLASH FLOOD	Minden, LA	HIGH WATER ON DORCHEAT ROAD
Mar 9, 12:06 AM CST	HEAVY RAIN 5	Barksdale Air Force Bas, LA	5 OR MORE GAUGE OVERFLOWED AT 5 INCHES GREATER THAN 6 HOUR DURATION
Mar 9, 4:35 AM CST	FLASH FLOOD	Minden, LA	ALL MAJOR ROADWAYS ON THE SOUTH END OF WEBSTER PARISH ARE FLOODED AND CLOSED. TRAVEL IS VERY DIFFICULT EVEN WHERE IT IS POSSIBLE. FLOOD WATERS ARE DEEP ENOUGH TO SWEEP A VEHICLE OFF THE ROAD. SOME OF THESE ROADS HAVE WASHED OUT.
Mar 9, 8:15 AM CST	HEAVY RAIN 14.44	7 Se Bossier City, LA	CO-OP OBSERVER REPORTS 14.44 INCHES IN TAYLORTOWN...

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

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 3.0 hours before the alert went out and 259 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: 1426 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 517 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 285 m²/s²
0-3 km storm-relative helicity: 333 m²/s²
Significant tornado parameter: 2.5
Supercell composite: 11.3

Open this sounding in Storm Lab

The text

As transmitted.

631 
WGUS54 KSHV 090300
FFWSHV
LAC015-017-031-081-119-090700-
/O.NEW.KSHV.FF.W.0008.160309T0300Z-160309T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
900 PM CST TUE MAR 8 2016

...FLASH FLOOD EMERGENCY FOR PORTIONS OF NORTHWEST LOUISIANA...

THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHEASTERN CADDO PARISH IN NORTHWESTERN LOUISIANA...
  SOUTHEASTERN BOSSIER PARISH IN NORTHWESTERN LOUISIANA...
  SOUTHERN WEBSTER PARISH IN NORTHWESTERN LOUISIANA...
  NORTHWESTERN DE SOTO PARISH IN NORTHWESTERN LOUISIANA...
  NORTHWESTERN RED RIVER PARISH IN NORTHWESTERN LOUISIANA...

* UNTIL 100 AM CST
    
* AT 855 PM CST...EMERGENCY MANAGEMENT REPORTED WIDESPREAD FLOODING
  ACROSS MUCH OF NORTHWEST LOUISIANA DUE TO HEAVY RAIN ACROSS THE
  WARNED AREA. FLASH FLOODING WILL CONTINUE. HIGH WATER RESCUES ARE
  UNDERWAY...AND MANY HIGHWAYS AND ROADS ARE CLOSED DUE TO THE HIGH
  WATER. WATER IS FLOWING INTO HOMES ACROSS PORTIONS OF MINDEN AND
  HAUGHTON.

  THIS IS A FLASH FLOOD EMERGENCY FOR PORTIONS OF NORTHWEST
LOUISIANA. 

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  SHREVEPORT...BOSSIER CITY...MINDEN...HAUGHTON...STONEWALL...SIBLEY...
  DOYLINE...DIXIE INN...DUBBERLY...EASTWOOD...KEACHI...GRAND CANE...
  LONGSTREET...NOLES LANDING...MC DADE...ROBSON...KEAT CHIE...TAYLORTOWN...
  FILLMORE AND COUCHWOOD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW! THIS IS AN EXTREMELY DANGEROUS AND LIFE
THREATENING SITUATION. DO NOT ATTEMPT TO TRAVEL UNLESS YOU ARE
FLEEING AN AREA SUBJECT TO FLOODING OR UNDER AN EVACUATION ORDER.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.

IF YOU ENCOUNTER FLOODED ROADS...TURN AROUND...DON'T DROWN! MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 3261 9320 3249 9327 3239 9344 3209 9372
      3198 9394 3216 9395 3225 9391 3245 9373
      3276 9337 3271 9324 3270 9320

$$

PALMER/HEMINGWAY

2 follow-up statements

440 
WGUS54 KSHV 090643
FFWSHV
LAC015-017-031-081-119-091200-
/O.EXT.KSHV.FF.W.0008.000000T0000Z-160309T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
1243 AM CST WED MAR 9 2016

...FLASH FLOOD EMERGENCY FOR PORTIONS OF NORTHWEST LOUISIANA...

THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  SOUTHEASTERN CADDO PARISH IN NORTHWESTERN LOUISIANA...
  SOUTHEASTERN BOSSIER PARISH IN NORTHWESTERN LOUISIANA...
  SOUTHERN WEBSTER PARISH IN NORTHWESTERN LOUISIANA...
  NORTHWESTERN DE SOTO PARISH IN NORTHWESTERN LOUISIANA...
  NORTHWESTERN RED RIVER PARISH IN NORTHWESTERN LOUISIANA...

* UNTIL 600 AM CST
    
* AT 1237 AM CST...EMERGENCY MANAGEMENT OFFICIALS CONTINUED TO
  REPORT WIDESPREAD FLASH FLOODING DUE TO EXTREMELY HEAVY RAIN
  ACROSS THE WARNED AREA. FLASH FLOODING WILL CONTINUE TO OCCUR.
  HIGH WATER RESCUES HAVE BEEN ONGOING...AND MANY HIGHWAYS AND ROADS
  ARE CLOSED DUE TO HIGH WATER FROM FLOODING. HIGH WATER IS ALSO
  AFFECTING SOME HOMES IN BOSSIER AND WEBSTER PARISHES AS WELL AS
  OTHER LOCATIONS IN THE WARNED AREA.

  THIS IS A FLASH FLOOD EMERGENCY FOR PORTIONS OF NORTHWEST
LOUISIANA. 

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  SHREVEPORT...BOSSIER CITY...MINDEN...HAUGHTON...STONEWALL...SIBLEY...
  DOYLINE...DIXIE INN...DUBBERLY...EASTWOOD...KEACHI...GRAND CANE...
  LONGSTREET...NOLES LANDING...MC DADE...ROBSON...KEAT CHIE...TAYLORTOWN...
  FILLMORE AND COUCHWOOD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW! THIS IS AN EXTREMELY DANGEROUS AND LIFE
THREATENING SITUATION. DO NOT ATTEMPT TO TRAVEL UNLESS YOU ARE
FLEEING AN AREA SUBJECT TO FLOODING OR UNDER AN EVACUATION ORDER.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.

STAY AWAY OR BE SWEPT AWAY. RIVER BANKS AND CULVERTS CAN BECOME
UNSTABLE AND UNSAFE.

IF YOU ENCOUNTER FLOODED ROADS...TURN AROUND...DON'T DROWN! MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 3261 9320 3249 9327 3239 9344 3209 9372
      3198 9394 3216 9395 3225 9391 3245 9373
      3276 9337 3271 9324 3270 9320

$$

19

125 
WGUS54 KSHV 091148
FFWSHV
LAC015-017-031-081-119-091500-
/O.EXT.KSHV.FF.W.0008.000000T0000Z-160309T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
548 AM CST WED MAR 9 2016

...FLASH FLOOD EMERGENCY FOR PORTIONS OF NORTHWEST LOUISIANA...

THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  SOUTHEASTERN CADDO PARISH IN NORTHWESTERN LOUISIANA...
  SOUTHEASTERN BOSSIER PARISH IN NORTHWESTERN LOUISIANA...
  SOUTHERN WEBSTER PARISH IN NORTHWESTERN LOUISIANA...
  NORTHWESTERN DE SOTO PARISH IN NORTHWESTERN LOUISIANA...
  NORTHWESTERN RED RIVER PARISH IN NORTHWESTERN LOUISIANA...

* UNTIL 900 AM CST
    
* AT 541 AM CST...LOCAL LAW ENFORCEMENT AND EMERGENCY MANAGEMENT
  OFFICIALS CONTINUED TO REPORT WIDESPREAD FLASH FLOODING DUE TO
  EXTREMELY HEAVY RAIN ACROSS THE WARNED AREA. FLASH FLOODING WILL
  CONTINUE TO OCCUR. NUMEROUS HIGH WATER RESCUES HAVE OCCURRED...
  AND MANY HIGHWAYS AND ROADS ARE CLOSED DUE TO HIGH WATER FROM
  FLOODING. HIGH WATER IS ALSO AFFECTING SOME HOMES IN BOSSIER AND
  WEBSTER PARISHES AS WELL AS OTHER LOCATIONS IN THE WARNED AREA.

  THIS IS A FLASH FLOOD EMERGENCY FOR PORTIONS OF NORTHWEST
LOUISIANA. 

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  SHREVEPORT...BOSSIER CITY...MINDEN...HAUGHTON...STONEWALL...SIBLEY...
  DOYLINE...DIXIE INN...DUBBERLY...EASTWOOD...KEACHI...GRAND CANE...
  LONGSTREET...NOLES LANDING...MC DADE...ROBSON...KEAT CHIE...TAYLORTOWN...
  FILLMORE AND COUCHWOOD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW! THIS IS AN EXTREMELY DANGEROUS AND LIFE
THREATENING SITUATION. DO NOT ATTEMPT TO TRAVEL UNLESS YOU ARE
FLEEING AN AREA SUBJECT TO FLOODING OR UNDER AN EVACUATION ORDER.

STAY AWAY OR BE SWEPT AWAY. RIVER BANKS AND CULVERTS CAN BECOME
UNSTABLE AND UNSAFE.

IF YOU ENCOUNTER FLOODED ROADS...TURN AROUND...DON'T DROWN! MOST FLOOD
DEATHS OCCUR IN VEHICLES.

PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.

&&

LAT...LON 3261 9320 3249 9327 3239 9344 3209 9372
      3198 9394 3216 9395 3225 9391 3245 9373
      3276 9337 3271 9324 3270 9320

$$

19

The office that day

Everything else NWS Shreveport, LA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 8, 6:36 PM CST	Flash Flood Warning	SHV	Bienville, Claiborne, Lincoln, Union, Webster	16 hr
Mar 8, 6:57 PM CST	Flash Flood Warning	SHV	De Soto, Natchitoches, Red River, Sabine	6 hr
Mar 8, 7:14 PM CST	Tornado Warning	SHV	Natchitoches, Red River, Sabine	31 min
Mar 8, 7:29 PM CST	Flash Flood Warning	SHV	De Soto	6 hr
Mar 8, 7:42 PM CST	Flash Flood Warning	SHV	Bienville, De Soto, Natchitoches, Red River, Webster	6 hr
Mar 8, 7:45 PM CST	Tornado Warning	SHV	De Soto, Natchitoches, Red River	30 min
Mar 8, 7:48 PM CST	Severe Thunderstorm Warning	SHV	De Soto, Sabine	57 min
Mar 8, 8:04 PM CST	Flash Flood Warning	SHV	Bienville, Jackson, Lincoln, Natchitoches, Ouachita, Union and 1 more	6 hr
Mar 8, 8:15 PM CST	Tornado Warning	SHV	Bienville, Jackson, Natchitoches, Winn	45 min
Mar 8, 8:54 PM CST	Severe Thunderstorm Warning	SHV	Natchitoches, Red River, Sabine	66 min
Mar 8, 9:11 PM CST	Special Weather Statement	SHV	Lincoln	49 min
Mar 8, 9:14 PM CST	River Flood Warning	SHV	Webster	17 days
Mar 8, 9:14 PM CST	River Flood Warning	SHV	Bienville, Bossier, Webster	14 days
Mar 8, 9:19 PM CST	Tornado Warning	SHV	De Soto, Natchitoches, Red River, Sabine	41 min
Mar 8, 9:35 PM CST	Flash Flood Warning	SHV	Caldwell, Ouachita, Union	6 hr
Mar 8, 9:39 PM CST	River Flood Warning	SHV	Bienville, Bossier, Red River, Webster	18 days
Mar 8, 9:49 PM CST	River Flood Warning	SHV	Bienville, Bossier	20 days
Mar 8, 10:11 PM CST	River Flood Warning	SHV	De Soto	19 days
Mar 8, 10:22 PM CST	Special Weather Statement	SHV	Bienville	53 min
Mar 8, 10:29 PM CST	Tornado Warning	SHV	Bienville, Claiborne, Lincoln, Red River, Webster	61 min
Mar 8, 11:09 PM CST	Flash Flood Warning	SHV	Caddo, De Soto	34 hr
Mar 8, 11:10 PM CST	Tornado Warning	SHV	Bienville, Claiborne, Jackson, Lincoln	19 min
Mar 9, 1:44 AM CST	Flash Flood Warning	SHV	Bienville, Red River, Webster	8 hr
Mar 9, 3:28 AM CST	Areal Flood Warning	SHV	Bienville, Jackson, Lincoln, Ouachita, Union	3 hr
Mar 9, 4:58 AM CST	Flash Flood Warning	SHV	Caddo	5 hr
Mar 9, 7:39 AM CST	Flash Flood Warning Emergency	SHV	Bienville, Bossier, Caddo, De Soto, Red River, Webster	7 hr
Mar 9, 7:51 AM CST	River Flood Warning	SHV	Claiborne, Lincoln, Union	5 days
Mar 9, 7:56 AM CST	River Flood Warning	SHV	Lincoln, Ouachita, Union	8 days
Mar 9, 8:14 AM CST	Flash Flood Warning	SHV	Bienville, De Soto, Natchitoches, Red River, Sabine	4 hr
Mar 9, 9:18 AM CST	Flash Flood Warning	SHV	Bienville, Jackson, Lincoln, Ouachita, Red River, Union and 1 more	4 hr
Mar 9, 9:20 AM CST	Special Weather Statement	SHV	Jackson, Lincoln, Union	40 min
Mar 9, 10:06 AM CST	Special Weather Statement	SHV	Ouachita, Union	39 min
Mar 9, 10:07 AM CST	Special Weather Statement	SHV	Ouachita, Union	38 min
Mar 9, 10:26 AM CST	River Flood Warning	SHV	Caddo	19 days
Mar 9, 10:40 AM CST	Flash Flood Warning	SHV	Caldwell, Grant, Natchitoches, Red River, Sabine, Winn	23 hr
Mar 9, 10:58 AM CST	Flash Flood Warning	SHV	Bienville, Claiborne, Lincoln, Union, Webster	4 hr
Mar 9, 11:08 AM CST	River Flood Warning	SHV	Caddo, De Soto	16 days
Mar 9, 11:47 AM CST	River Flood Warning	SHV	Bienville, Bossier, Caddo, Natchitoches, Red River	16 days
Mar 9, 11:47 AM CST	River Flood Warning	SHV	Grant, Natchitoches, Red River	19 days
Mar 9, 11:51 AM CST	River Flood Warning	SHV	Caldwell, Grant, LaSalle, Winn	13 days
Mar 9, 12:07 PM CST	Flash Flood Warning	SHV	Bienville, De Soto, Natchitoches, Red River, Sabine	23 hr
Mar 9, 1:15 PM CST	Flash Flood Warning	SHV	Bossier, Caddo, Webster	23 hr
Mar 9, 2:30 PM CST	Flash Flood Warning Emergency	SHV	Bienville, Bossier, Caddo, De Soto, Red River, Webster	23 hr
Mar 9, 2:30 PM CST	River Flood Warning	SHV	Caddo	6 days
Mar 9, 2:48 PM CST	Flash Flood Warning	SHV	Bienville, Caldwell, Jackson, Lincoln, Natchitoches, Ouachita and 4 more	12 hr
Mar 9, 2:52 PM CST	Flash Flood Warning	SHV	Bienville, Claiborne, Lincoln, Union, Webster	21 hr
Mar 9, 2:53 PM CST	Special Weather Statement	SHV	Bienville, Claiborne, Jackson, Lincoln, Natchitoches, Winn	52 min
Mar 9, 3:48 PM CST	Special Weather Statement	SHV	Jackson	57 min

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.