Alert archive / Louisiana / Flash Flood Warnings in 2016

Flash Flood Warning 26, NWS Shreveport, LA

March 9, 20166 parishes in Louisiana

NWS Shreveport, LA issued this flash flood warning at Mar 9, 2016, 2:30 PM CST for 6 parishes in Louisiana. It was in force for 23 hr. 8 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 9, 2016, 2:30 PM CST (20:30 UTC)
Expired: Mar 10, 2016, 1:30 PM CST
In force: 23 hr
Issued by: NWS Shreveport, LA
Area: Storm-based polygon
Emergency: Flash flood emergency
Flood severity: None

Counties Bienville Parish, LA, 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 20:34 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 9, 6:18 PM CST	FLASH FLOOD	3 Ssw Blanchard, LA	CAR PARTIALLY SUBMERGED SOUTH OF BLANCHARD...
Mar 9, 6:50 PM CST	FLASH FLOOD	Shreveport, LA	WATER OVER ROAD NORRIS FERRY IN SOUTH SHREVEPORT
Mar 9, 6:52 PM CST	FLASH FLOOD	10 Ne Mansfield, LA	HIGHWAY 509 ACROSS CLEAR LAKE HAS BEEN CLOSED DUE TO HIGH WATER...
Mar 9, 6:54 PM CST	FLASH FLOOD	5 Nne Mansfield, LA	WATER COMPLETELY COVERS BRIDGE OVER CLEAR LAKE ON HIGHWAY 509
Mar 10, 7:30 AM CST	FLASH FLOOD	3 Nw Shreveport, LA	THE CADDO PARISH SHERIFFS OFFICE ARE CONDUCTING WATER RESCUES FOR RESIDENTS ON NORTH LAKESHORE DRIVE.
Mar 10, 8:00 AM CST	FLASH FLOOD	Shreveport, LA	INTERSTATE 49 BETWEEN BERT KOUNS IN SOUTH SHREVEPORT AND HIGHWAY 3276 IN STONEWALL IS CLOSED DUE TO FLOODING FROM WALLACE LAKE.
Mar 10, 1:20 PM CST	FLASH FLOOD	Bossier City, LA	HIGH WATER RESCUES IN THE GOLDEN MEADOWS SUBDIVISION IN SOUTH BOSSIER.
Mar 10, 1:30 PM CST	FLASH FLOOD	Bossier City, LA	SHERIFF DEPARTMENT REPORTS SEVERAL HIGH WATER RESCUES IN PROGRESS ACROSS SOUTHERN BOSSIER PARISH.

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

Did it verify

Verified. The Iowa Environmental Mesonet's Cow matched 8 storm reports to this flash flood warning; the first came 228 minutes after it went out.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 8.5 hours before the alert went out and 236 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: 1619 J/kg
Mixed-layer CIN: -35 J/kg
Mixed-layer LCL: 458 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 320 m²/s²
0-3 km storm-relative helicity: 415 m²/s²
Significant tornado parameter: 3.6
Supercell composite: 21.6

Open this sounding in Storm Lab

The text

As transmitted.

860 
WGUS54 KSHV 092030
FFWSHV
LAC013-015-017-031-081-119-100430-
/O.NEW.KSHV.FF.W.0026.160309T2030Z-160310T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

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

THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A

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

* UNTIL 1030 PM CST WEDNESDAY
    
* AT 229 PM CST...SIGNIFICANT FLASH FLOODING CONTINUES ACROSS THE
  WARNED AREA. NUMEROUS ROADS ARE WASHED OUT AND CLOSED...INCLUDING
  PORTIONS OF INTERSTATE 20 AND U.S. 79 IN WEBSTER PARISH. NUMEROUS
  HOMES ARE BEING IMPACTED BY FLOOD WATERS. ANOTHER THREE TO FIVE
  INCHES OF RAINFALL WILL BE POSSIBLE OVER THE NEXT SEVERAL
  HOURS...WHICH WILL SUBSTANTIALLY ADD TO THE ONGOING
  FLOODING.

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

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  SHREVEPORT...BOSSIER CITY...MINDEN...MANSFIELD...HAUGHTON...GREENWOOD...
  BLANCHARD...BENTON...STONEWALL...LOGANSPORT...RINGGOLD...SIBLEY...COTTON
  VALLEY...DOYLINE...MOORINGSPORT...DUBBERLY...DIXIE INN...HEFLIN...FOSTERS
  AND EASTWOOD.

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.

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 3188 9390 3190 9390 3189 9391 3200 9402
      3270 9399 3285 9324 3272 9324 3255 9320
      3203 9343 3185 9387

$$

12

3 follow-up statements

187 
WGUS54 KSHV 100422
FFWSHV
LAC013-015-017-031-081-119-101030-
/O.EXT.KSHV.FF.W.0026.000000T0000Z-160310T1030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
1022 PM 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...
  CADDO PARISH IN NORTHWESTERN LOUISIANA...
  WEST CENTRAL BIENVILLE PARISH IN NORTHWESTERN LOUISIANA...
  BOSSIER PARISH IN NORTHWESTERN LOUISIANA...
  SOUTHERN WEBSTER PARISH IN NORTHWESTERN LOUISIANA...
  DE SOTO PARISH IN NORTHWESTERN LOUISIANA...
  NORTHWESTERN RED RIVER PARISH IN NORTHWESTERN LOUISIANA...

* UNTIL 430 AM CST THURSDAY
    
* AT 1010 PM CST...EMERGENCY MANAGEMENT OFFICIALS CONTINUED TO
  REPORT WIDESPREAD FLASH FLOODING FROM THUNDERSTORMS PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. THESE THUNDERSTORMS WILL
  PRODUCE ADDITIONAL RAINFALL AMOUNTS OF 3 TO 6 INCHES...ON TOP OF
  THE 10-15 INCHES ALREADY OBSERVED DURING THIS EVENT. FLASH
  FLOODING IS WIDESPREAD ACROSS MUCH OF NORTHWEST LOUISIANA WITH
  EVACUATIONS AND HIGH WATER RESCUES BEING REPORTED ACROSS THE
  WARNED AREA. TRAVEL IS NOT RECOMMENDED OVERNIGHT.

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

* SOME LOCATIONS THAT WILL EXPERIENCE ADDITIONAL FLOODING INCLUDE...
  SHREVEPORT...BOSSIER CITY...MINDEN...MANSFIELD...HAUGHTON...
  GREENWOOD...BLANCHARD...BENTON...STONEWALL...LOGANSPORT...
  RINGGOLD...SIBLEY...COTTON VALLEY...DOYLINE...MOORINGSPORT...
  DUBBERLY...DIXIE INN...HEFLIN...FOSTERS AND EASTWOOD.

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 3188 9390 3190 9390 3189 9391 3200 9402
      3270 9399 3285 9324 3272 9324 3255 9320
      3203 9343 3185 9387

$$

19

326 
WGUS54 KSHV 101030
FFWSHV
LAC013-015-017-031-081-119-101330-
/O.EXT.KSHV.FF.W.0026.000000T0000Z-160310T1330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
430 AM CST THU MAR 10 2016

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

THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS EXTENDED THE

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

* UNTIL 730 AM CST
    
* AT 424 AM CST...DOPPLER RADAR INDICATED A THUNDERSTORMS PRODUCING
  MODERATE TO HEAVY RAIN ACROSS THE WARNED AREA. FLASH FLOODING IS
  EXPECTED TO CONTINUE...ON TOP OF THE 10-15 INCHES ALREADY OBSERVED
  DURING THIS EVENT. FLASH SO FAR. FLASH FLOODING IS WIDESPREAD
  ACROSS MUCH OF NORTHWEST LOUISIANA WITH EVACUATIONS AND HIGH WATER
  RESCUES REPORTED TO HAVE OCCURRED AND MAY BE NEEDED.  TRAVEL IS
  NOT RECOMMENDED.

  THIS IS A FLASH FLOOD EMERGENCY FOR NORTHWEST LOUISIANA
**!. 

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  SHREVEPORT...BOSSIER CITY...MINDEN...MANSFIELD...HAUGHTON...GREENWOOD...
  BLANCHARD...BENTON...STONEWALL...LOGANSPORT...RINGGOLD...SIBLEY...COTTON
  VALLEY...DOYLINE...MOORINGSPORT...DUBBERLY...DIXIE INN...HEFLIN...FOSTERS
  AND EASTWOOD.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND IF THREATENED. 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.

DO NOT ENTER OR CROSS FLOWING WATER OR WATER OF UNKNOWN DEPTH. 

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

&&

LAT...LON 3188 9390 3190 9390 3189 9391 3200 9402
      3270 9399 3285 9324 3272 9324 3255 9320
      3203 9343 3185 9387

$$

06

680 
WGUS54 KSHV 101317
FFWSHV
LAC013-015-017-031-081-119-101930-
/O.EXT.KSHV.FF.W.0026.000000T0000Z-160310T1930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
717 AM CST THU MAR 10 2016

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

THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS EXTENDED THE

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

* UNTIL 130 PM CST THURSDAY

* AT 709 AM CST...DOPPLER RADAR INDICATED MODERATE TO HEAVY RAIN
  ACROSS THE WARNED AREA. RAINFALL AMOUNTS OF 7 TO OVER 15 INCHES OF
  RAIN HAVE FALLEN. RAINFALL TOTAL AT THE SHREVEPORT REGIONAL
  AIRPORT THIS MORNING WAS 10.75 INCHES. FLASH FLOODING IS ALREADY
  OCCURRING AND WILL CONTINUE. MANY ROAD CLOSURES DUE TO HIGH WATER
  AND RISING WATER LEVELS ON AREA LAKES...STREAMS...AND BAYOUS. 

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

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  SHREVEPORT...BOSSIER CITY...MINDEN...MANSFIELD...HAUGHTON...GREENWOOD...
  BLANCHARD...BENTON...STONEWALL...LOGANSPORT...RINGGOLD...SIBLEY...COTTON
  VALLEY...DOYLINE...MOORINGSPORT...DUBBERLY...DIXIE INN...HEFLIN...FOSTERS
  AND EASTWOOD.

ADDITIONAL RAINFALL AMOUNTS OF ONE TO TWO ARE POSSIBLE IN THE WARNED
AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND IF THREATENED. 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.

DO NOT ENTER OR CROSS FLOWING WATER OR WATER OF UNKNOWN DEPTH
AND DO NOT GO AROUND BARRICADED AREAS. 

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

&&

LAT...LON 3188 9390 3190 9390 3189 9391 3200 9402
      3270 9399 3285 9324 3272 9324 3255 9320
      3203 9343 3185 9387

$$

06

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Shreveport, LA wrote its last area forecast discussion before this flash flood warning went out at Mar 9, 11:37 AM CST, 2 hours 53 minutes earlier.

Area forecast discussion, Mar 9, 11:37 AM CST, 2 hours 53 minutes before

AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE SHREVEPORT LA
1137 AM CST WED MAR 9 2016

.AVIATION...
MVFR CIGS ARE EXPECTED TO PERSIST THROUGH MUCH OF THE
AFTERNOON...WITH AN EXTENSIVE AREA OF CONVECTION OVER NCNTRL LA/SE
TX EXPECTED TO LIFT BACK N ACROSS E TX/NW LA/SW AR THROUGH THE
AFTERNOON. AS THE CONVECTION FILLS IN...IFR CIGS WITH REDUCED
VSBYS ARE EXPECTED THROUGH THE REMAINDER OF THE TAF PERIOD AS
+TSRA CONTINUES. AS THE HEAVY RAIN SETS IN AGAIN THIS
AFTERNOON/OVERNIGHT...FLOODING OF RUNWAYS AND TAXIWAYS ARE
POSSIBLE. SHOULD FINALLY BEGIN TO SEE THE CONVECTION DIMINISH FROM
S TO N BY MID TO LATE MORNING THURSDAY OVER E TX AS DRIER AIR
ALOFT BEGINS TO ENTRAIN NWD AHEAD OF THE CLOSED LOW AS IT BEGINS
TO DRIFT N INTO S TX. THE CONVECTION SHOULD DIMINISH ACROSS N
LA/SW AR BY AFTERNOON JUST BEYOND THE END OF THIS TAF PERIOD. NE
WINDS 10-15KTS WITH GUSTS TO 22KTS THIS AFTERNOON SHOULD DIMINISH
TO 7-10KTS AFTER 00Z. /15/

&&

.PREV DISCUSSION... /ISSUED 1123 AM CST WED MAR 9 2016/
.DISCUSSION...
COMPLEX OF HEAVY RAIN IS NOW MAINLY CONFINED TO AREAS SOUTHEAST
OF A LINE FROM LUFKIN TEXAS TO HUTTIG AR. HOWEVER...MORE HEAVY
RAIN IS UPSTREAM TO THE SOUTHWEST ACROSS CENTRAL TEXAS AND IS
HEADING THIS WAY. A THREAT FOR SEVERE WEATHER ALSO STILL EXISTS
ESPECIALLY IN LOCATIONS THAT RECEIVE A BREAK IN THE RAINFALL WHICH
WILL ALLOW FOR SOME INSTABILITY TO BUILD. IN SHORT...WE ARE STILL
IN THE MIDDLE OF THIS EVENT AND WE WILL BE DEALING WITH HEAVY RAIN
AND FLOODING FOR SEVERAL MORE HOURS AND LIKELY INTO THURSDAY.

A QUICK ZFP WAS SENT TO REMOVE MORNING WORDING BUT NO UPDATES WERE
MADE TO THE GRIDS.

/09/

&&

.PRELIMINARY POINT TEMPS/POPS...
SHV  73  66  77  63 / 100 100  80  60
MLU  76  68  77  65 /  90  90  90  80
DEQ  69  62  68  59 / 100  90  90  70
TXK  70  63  70  59 / 100 100  80  60
ELD  72  67  75  62 / 100 100  90  80
TYR  72  63  72  60 / 100  60  70  50
GGG  71  65  75  61 / 100  80  70  50
LFK  74  65  78  61 / 100  90  70  50

&&

.SHV WATCHES/WARNINGS/ADVISORIES...
AR...FLASH FLOOD WATCH THROUGH THURSDAY AFTERNOON FOR ARZ050-051-
     059>061-070>073.

LA...FLASH FLOOD WATCH THROUGH THURSDAY AFTERNOON FOR LAZ001>006-
     010>014-017>022.

OK...FLASH FLOOD WATCH THROUGH THURSDAY AFTERNOON FOR OKZ077.

TX...FLASH FLOOD WATCH THROUGH THURSDAY AFTERNOON FOR TXZ096-097-
     108>112-124>126-136>138-149>153-165>167.

&&

15

Hazardous weather outlook, Mar 9, 12:00 PM CST, 2 hours 30 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SHREVEPORT LA
1200 PM CST WED MAR 9 2016

ARZ061-070>073-LAZ001>006-010>014-017>022-TXZ112-126-136>138-
149>153-165>167-101800-
NEVADA-MILLER-LAFAYETTE-COLUMBIA-UNION-CADDO-BOSSIER-WEBSTER-
CLAIBORNE-LINCOLN-DE SOTO-RED RIVER-BIENVILLE-JACKSON-OUACHITA-
SABINE-NATCHITOCHES-WINN-GRANT-CALDWELL-LA SALLE-CASS-MARION-
SMITH-GREGG-HARRISON-CHEROKEE-RUSK-PANOLA-NACOGDOCHES-SHELBY-
ANGELINA-SAN AUGUSTINE-
1200 PM CST WED MAR 9 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL
ARKANSAS...SOUTHWEST ARKANSAS...NORTH CENTRAL LOUISIANA...
NORTHWEST LOUISIANA...EAST TEXAS AND NORTHEAST TEXAS.

.DAY ONE...THIS AFTERNOON AND TONIGHT...

THE THREAT FOR FLOODING WILL CONTINUE AS WIDESPREAD SHOWERS AND
THUNDERSTORMS DEVELOP ACROSS CENTRAL TEXAS AND MOVE NORTHEAST INTO
THE AREA BRINGING SEVERAL MORE INCHES OF RAIN THIS AFTERNOON AND
TONIGHT. MANY LOCATIONS HAVE ALREADY RECEIVED 3 TO OVER 7 INCHES
OF RAINFALL...WITH A FEW LOCATIONS OVER NORTHERN LOUISIANA HAVING
RECEIVED 10 TO 14 INCHES OF RAINFALL. MODERATE TO MAJOR FLOODING
IS ONGOING AND COULD WORSEN WITH ADDITIONAL HEAVY RAINFALL. IN
ADDITION...SOME THUNDERSTORMS THIS AFTERNOON AND TONIGHT COULD BE
SEVERE. ISOLATED TORNADOES AND DAMAGING WINDS WILL BE POSSIBLE.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY...

THE THREAT FOR FLASH FLOODING WILL CONTINUE INTO AT LEAST
THURSDAY. ALTHOUGH THE HEAVY RAIN WILL BECOME LESS
WIDESPREAD...SCATTERED THUNDERSTORMS WITH EVEN BRIEF HEAVY RAIN...
MAY BE ENOUGH TO PERPETUATE ONGOING AREAS OF FLOODING. THE UPPER
LOW PRESSURE SYSTEM BRINGING THE SHOWERS AND THUNDERSTORMS TO THE
AREA...WILL FINALLY MOVE TO THE EAST BY LATE IN THE WEEKEND.

.SPOTTER INFORMATION STATEMENT...

ACTIVATION OF EMERGENCY MANAGEMENT PERSONNEL...AMATEUR RADIO
OPERATORS...AND STORM SPOTTERS MAY POSSIBLY BE NEEDED TODAY AND
TONIGHT...MAINLY TO ASSIST MOTORISTS MOTORISTS IN FLOODED
ROADWAYS.

ARZ050-051-059-060-OKZ077-TXZ096-097-108>111-124-125-101800-
SEVIER-HOWARD-LITTLE RIVER-HEMPSTEAD-MCCURTAIN-RED RIVER-BOWIE-
FRANKLIN-TITUS-CAMP-MORRIS-WOOD-UPSHUR-
1200 PM CST WED MAR 9 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST
ARKANSAS...SOUTHEAST OKLAHOMA AND NORTHEAST TEXAS.

.DAY ONE...THIS AFTERNOON AND TONIGHT...

THE THREAT FOR FLOODING WILL CONTINUE AS WIDESPREAD SHOWERS AND
THUNDERSTORMS DEVELOP AND BRING SEVERAL MORE INCHES OF RAIN TO
THIS AFTERNOON AND TONIGHT. MANY LOCATIONS HAVE ALREADY RECEIVED 3
TO OVER 7 INCHES OF RAINFALL AND MINOR TO MODERATE FLOODING IS
ONGOING AND MAY WORSEN WITH ADDITIONAL HEAVY RAINFALL. STRONG
GUSTY WINDS MAY ALSO OCCUR IN THE STRONGER STORMS.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY...

THE THREAT FOR FLASH FLOODING WILL CONTINUE INTO AT LEAST
THURSDAY. ALTHOUGH THE HEAVY RAIN WILL BECOME LESS
WIDESPREAD...SCATTERED THUNDERSTORMS WITH EVEN BRIEF HEAVY RAIN...
MAY BE ENOUGH TO PERPETUATE ONGOING AREAS OF FLOODING. THE UPPER
LOW PRESSURE SYSTEM BRINGING THE SHOWERS AND THUNDERSTORMS TO THE
AREA...WILL FINALLY MOVE TO THE EAST BY LATE IN THE WEEKEND.

.SPOTTER INFORMATION STATEMENT...

ACTIVATION OF EMERGENCY MANAGEMENT PERSONNEL...AMATEUR RADIO
OPERATORS...AND STORM SPOTTERS MAY POSSIBLY BE NEEDED TODAY AND
TONIGHT...MAINLY TO ASSIST MOTORISTS MOTORISTS IN FLOODED
ROADWAYS.

09

In the hours before

Local storm report, Mar 9, 1:23 PM CST, 1 hour 7 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
123 PM CST WED MAR 9 2016

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0122 PM     FLASH FLOOD      2 W DIXIE INN           32.59N 93.37W
03/09/2016                   WEBSTER            LA   PUBLIC

            ESTIMATED 2 TO 3 FEET OF WATER FLOWING
            ACROSS US79 AT HATTEN ROBERTS ROAD...

&&

MD

Local storm report, Mar 9, 1:27 PM CST, 1 hour 3 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
127 PM CST WED MAR 09 2016

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0700 AM     FLASH FLOOD      5 SW LINDALE            32.45N  95.47W
03/09/2016                   SMITH              TX   PUBLIC

            LOW WATER CROSSINGS FLOODED IN HIDEWAY... WATER BODIES
            OUT OF BANKS AND SOME HOMES THREATENED

&&

EVENT NUMBER SHV1600136

25

Local storm report, Mar 9, 2:04 PM CST, 26 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
204 PM CST WED MAR 09 2016

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1200 PM     FLASH FLOOD      HALLSVILLE              32.50N  94.58W
03/09/2016                   HARRISON           TX   LAW ENFORCEMENT

            WATER COVERS ROAD ON APPALOOSA LNE OUTH OF MAPLE A
            SPRINGS CHURCH AND ORTH OF JOY LANE... CLOSED

&&

EVENT NUMBER SHV1600137

25

Local storm report, Mar 9, 2:08 PM CST, 22 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
208 PM CST WED MAR 09 2016

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0130 PM     FLASH FLOOD      4 NE HAUGHTON           32.57N  93.46W
03/09/2016                   BOSSIER            LA   BROADCAST MEDIA

            PRINCETON ROAD AT PRINCESTON IN BOSSIER PARISH WASHED
            OUT.

&&

EVENT NUMBER SHV1600138

25

Local storm report, Mar 9, 2:13 PM CST, 17 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
213 PM CST WED MAR 9 2016

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0212 PM     FLASH FLOOD      3 W NATCHEZ             31.67N 93.10W
03/09/2016                   NATCHITOCHES       LA   LAW ENFORCEMENT

            HIGHWAY 478 EAST OF INTERSTATE 49 IN
            NATCHITOCHES PARISH IS CLOSED DUE TO HIGH
            WATER...

&&

MD

Local storm report, Mar 9, 2:17 PM CST, 13 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
217 PM CST WED MAR 9 2016

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0800 AM     FLASH FLOOD      1 WNW MARTIN            32.10N 93.23W
03/09/2016                   RED RIVER          LA   NWS EMPLOYEE

            HIGHWAY 507...2 MILES NORTH OF
            MARTIN...UNDER WATER...

&&

MD

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, 9:00 PM CST	Flash Flood Warning Emergency	SHV	Bossier, Caddo, De Soto, Red River, Webster	12 hr
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	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.