Special Weather Statement, NWS Shreveport, LA

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SHREVEPORT LA
1046 PM CDT THU MAR 17 2016

.AVIATION...
FOR THE 18/00Z TERMINAL FORECAST PERIODS THERE WILL BE MOSTLY VFR
FLIGHT CATEGORIES STARTING OUT...WITH MVFR CEILINGS AND
VISIBILITIES IN SCATTERED THUNDERSTORMS AND ALONG A NEARLY
STATIONARY FRONTAL SYSTEM ORIENTED WEST TO EAST ACROSS EAST TEXAS
AND CENTRAL LOUISIANA. OVERNIGHT TONIGHT THE CEILINGS WILL
GRADUALLY LOWER OVER MOST OF THE TERMINAL SITES WITH MVFR
CEILINGS AND VISIBILITIES WITH SOME IFR CONDITIONS IN THE HEAVIER
RAIN. SHOWERS AND THUNDERSTORMS WILL BE INCREASING TONIGHT AND
ESPECIALLY DURING THE HEAT OF THE DAY FRIDAY. SURFACE WINDS WILL
BE LIGHT AND VARIABLE TO LIGHT EAST GENERALLY LESS THAN 8 KNOTS
OVERNIGHT AND EAST 5-10 KNOTS FRIDAY. /06/

&&

.PREV DISCUSSION... /ISSUED 1007 PM THU MAR 17 2016/

.DISCUSSION...
STG CONVECTION THIS AFTN BEGUN TO DIMINSIH AT SUNSET...BUT ONLY
BRIEFLY AS WIDELY SCATTERED TSTMS ON THE UPTICK ACROSS NORTHERN
HALF OF AREA LATE THIS EVE. KEEPING CHANCE POPS AREAWIDE OVERNIGHT
AS EXPECT AREA OF PRECIP TO SHIFT SWD OVERNIGHT. 0Z SOUNDINGS SHOW
LOW LVL INVERSION...SO ELEVATED TSTMS WITH STEEP LAPSE RATES WILL
MEAN THE MAIN THREAT WILL BE HAIL WITH STRGR STORMS. ONLY MADE
MINOR TEMPERATURE TWEAKS./VII/

&&

.PRELIMINARY POINT TEMPS/POPS...
SHV  54  72  49  61 /  40  60  40  30
MLU  54  71  50  61 /  50  60  50  30
DEQ  49  65  43  60 /  30  60  40  10
TXK  51  67  45  59 /  40  60  40  20
ELD  50  69  47  59 /  40  60  40  20
TYR  55  72  47  60 /  30  60  40  20
GGG  56  73  48  61 /  40  60  40  20
LFK  58  75  53  63 /  40  60  60  30

&&

.SHV WATCHES/WARNINGS/ADVISORIES...
AR...NONE.
LA...NONE.
OK...NONE.
TX...NONE.
&&

06/07

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SHREVEPORT LA
1138 AM CDT THU MAR 17 2016

ARZ050-051-OKZ077-181645-
SEVIER-HOWARD-MCCURTAIN-
1138 AM CDT THU MAR 17 2016

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

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

SCATTERED SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE TODAY AND
TONIGHT AS AN UPPER LEVEL DISTURBANCE MOVES ACROSS THE REGION. A
FEW STRONG TO ISOLATED SEVERE STORMS CANNOT BE RULED OUT WITH THE
PRIMARY THREAT BEING LARGE HAIL.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY...

SHOWERS AND THUNDERSTORMS REMAIN POSSIBLE ACROSS THE REGION
THROUGH EARLY SATURDAY MORNING. HOWEVER...NO HAZARDOUS WEATHER IS
EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

ACTIVATION OF EMERGENCY MANAGEMENT PERSONNEL...AMATEUR RADIO
OPERATORS...AND STORM SPOTTERS WILL NOT BE NEEDED THROUGH TONIGHT.

ARZ059>061-070>073-LAZ001>006-010>014-017>022-TXZ096-097-108>112-
124>126-136>138-149>153-165>167-181645-
LITTLE RIVER-HEMPSTEAD-NEVADA-MILLER-LAFAYETTE-COLUMBIA-UNION-
CADDO-BOSSIER-WEBSTER-CLAIBORNE-LINCOLN-DE SOTO-RED RIVER-
BIENVILLE-JACKSON-OUACHITA-SABINE-NATCHITOCHES-WINN-GRANT-
CALDWELL-LA SALLE-BOWIE-FRANKLIN-TITUS-CAMP-MORRIS-CASS-WOOD-
UPSHUR-MARION-SMITH-GREGG-HARRISON-CHEROKEE-RUSK-PANOLA-
NACOGDOCHES-SHELBY-ANGELINA-SAN AUGUSTINE-
1138 AM CDT THU MAR 17 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...

SHOWERS AND THUNDERSTORMS ARE EXPECTED TODAY AND TONIGHT AS AN
UPPER LEVEL DISTURBANCE MOVES ACROSS THE REGION...COMBINED WITH A
STALLED FRONTAL BOUNDARY ACROSS THE SOUTHERN SECTIONS OF THE AREA.
SOME STORMS MAY BE SEVERE DURING THE DAYTIME HOURS WITH LARGE HAIL
AND DAMAGING WINDS AS THE PRIMARY THREATS. RAINFALL TOTALS WILL
AVERAGE AROUND A HALF AN INCH OR LESS WITH LOCALLY HIGHER AMOUNTS
POSSIBLE IN STRONGER THUNDERSTORMS.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY...

SHOWERS AND THUNDERSTORMS REMAIN POSSIBLE ACROSS THE REGION
THROUGH SATURDAY MORNING. ADDITIONAL RAINFALL AMOUNTS WILL
GENERALLY RANGE FROM A QUARTER INCH OR LESS ACROSS MUCH OF THE
AREA.

.SPOTTER INFORMATION STATEMENT...

ACTIVATION OF EMERGENCY MANAGEMENT PERSONNEL...AMATEUR RADIO
OPERATORS...AND STORM SPOTTERS MAY BE NEEDED THIS AFTERNOON.

19

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
708 PM CDT THU MAR 17 2016

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

0320 PM     TSTM WND DMG     COLFAX                  31.52N  92.71W
03/17/2016                   GRANT              LA   911 CALL CENTER

            NUMEROUS TREES DOWN ON GRAYS CREEK IN COLFIX

&&

EVENT NUMBER SHV1600235

21

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
1016 PM CDT THU MAR 17 2016

ARZ070>072-180415-
MILLER AR-LAFAYETTE AR-COLUMBIA AR-
1016 PM CDT THU MAR 17 2016

...SIGNIFICANT WEATHER ADVISORY FOR COLUMBIA...SOUTHWESTERN LAFAYETTE
AND SOUTHEASTERN MILLER COUNTIES UNTIL 1115 PM CDT...

AT 1015 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 8
MILES NORTHEAST OF IDA...OR 20 MILES EAST OF ATLANTA...MOVING EAST AT
40 MPH.

DIME SIZE HAIL AND WINDS IN EXCESS OF 30 MPH WILL BE POSSIBLE WITH
THIS STORM.

LOCATIONS IMPACTED INCLUDE...
MAGNOLIA...BRADLEY...TAYLOR...EMERSON...SMITHLAND...ATLANTA...VILLAGE...
CANFIELD...WELCOME...MACEDONIA...BUSSEY...CALHOUN...CANALE...HORSEHEAD...
PLEASANT VALLEY...NOXOBE...CORNELIUS...GIN CITY...WALKERVILLE AND FORT
LYNN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND
TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
OFFICE IN SHREVEPORT.

&&

LAT...LON 3302 9299 3302 9389 3321 9391 3328 9303
TIME...MOT...LOC 0315Z 267DEG 34KT 3310 9381

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
1059 PM CDT THU MAR 17 2016

LAZ010>012-018-180500-
RED RIVER LA-DE SOTO LA-NATCHITOCHES LA-BIENVILLE LA-
1059 PM CDT THU MAR 17 2016

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN BIENVILLE...EAST CENTRAL
DE SOTO...NORTH CENTRAL NATCHITOCHES AND RED RIVER PARISHES UNTIL
MIDNIGHT CDT...

AT 1057 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 9
MILES NORTHWEST OF COUSHATTA...OR 14 MILES EAST OF MANSFIELD...MOVING
EAST AT 45 MPH.

HALF INCH HAIL AND WINDS IN EXCESS OF 30 MPH WILL BE POSSIBLE WITH
THIS STORM.

LOCATIONS IMPACTED INCLUDE...
COUSHATTA...MARTIN...HALL SUMMIT...SALINE...LUCKY...ASHLAND...CASTOR...
EDGEFIELD...BIENVILLE...CHESTNUT...BRICE...LOGGY BAYOU...FRIENDSHIP...
CRICHTON...WOMACK...GRAND BAYOU AND LIBERTY HILL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
OFFICE IN SHREVEPORT.

&&

LAT...LON 3216 9282 3215 9294 3207 9290 3200 9353
      3217 9358 3239 9285 3219 9280
TIME...MOT...LOC 0357Z 256DEG 41KT 3211 9347

VII

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