Alert archive / Louisiana / Small Craft Advisories in 2016

Small Craft Advisory 26, NWS Lake Charles, LA

April 1, 2016

NWS Lake Charles, LA issued this small craft advisory at Apr 1, 2016, 3:06 PM CDT. It took effect at Apr 2, 2016, 7:00 AM CDT. It was in force for 14 hr.

The area

The counties it named.

The facts

Issued
Apr 1, 2016, 3:06 PM CDT (20:06 UTC)
In effect from
Apr 2, 2016, 7:00 AM CDT
Expired
Apr 2, 2016, 8:47 PM CDT
In force
14 hr
Issued by
NWS Lake Charles, LA

What forecasters said that day

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

NWS Lake Charles, LA wrote its last area forecast discussion before this small craft advisory went out at Apr 1, 1:08 PM CDT, 1 hour 58 minutes earlier.

Area forecast discussion, Apr 1, 1:08 PM CDT, 1 hour 58 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
108 PM CDT FRI APR 1 2016

.DISCUSSION...
FOR 18Z TAF ISSUANCE.

&&

.AVIATION...
LOCAL 88DS CONTINUE TO SHOW WIDESPREAD SHOWERS/FEW STORMS
ASSOCIATED WITH PASSING DISTURBANCE ALOFT IMPACTING THE
REGION...AND EXPECT THIS TO REMAIN THE CASE FOR THE NEXT SEVERAL
HOURS TIL THE DISTURBANCE DEPARTS THE AREA. HELD ONTO VCSH MENTION
A LITTLE LONGER AT KAEX AS ANOTHER WEAKER DISTURBANCE IS PROGGED
TO SCOOT BY THE NRN EXTREMES OF THE AREA THIS EVENING. VFR
CONDITIONS SHOULD PREVAIL FOR THE MOST PART AS MID-LEVEL CEILINGS
REMAIN DOMINANT BEFORE DRIER AIR MOVES IN AND SKIES CLEAR LATE.
BRISK NRLY WINDS CAN ALSO BE EXPECTED TO LINGER DUE TO ONGOING CAA
BEHIND THE DEPARTING FRONTAL BOUNDARY.

25

&&

.PREV DISCUSSION... /ISSUED 1110 AM CDT FRI APR 1 2016/

UPDATE...
COOL AND BREEZY CONDITIONS HAVE SPREAD SOUTH ACRS MUCH OF THE AREA
THIS MORNING BEHIND A COLD FRONT. THE FRONT IS NOW LOCATED JUST
OFF THE S LA COAST...EXTENDING SW TOWARD SRN TX. WIDESPREAD
SHOWERS AND STORMS ARE OCCURRING ALONG THE FRONT EAST OF THE
AREA...WITH ONE IMPRESSIVELY INTENSE STORM NOW MOVING EAST ACRS
OUR ERN COASTAL ZONES SOUTH OF VERMILION BAY. ADDITIONAL SCTD
ELEVATED STORMS ARE DEVELOPING ACRS SE TX AND WILL BE CROSSING
OUR SE TX ZONES WITHIN THE NEXT HR OR TWO. MOIST AND UNSTABLE AIR
REMAINS OVER THE AREA ABV 850 MB PER THE 12Z KLCH SOUNDING SO
EXPECT SCTD TO NMRS SHOWERS AND STORMS TO CONTINUE THROUGH THE
AFTN AS INTERMITTENT WAVES OF ENERGY PASS OVER THE AREA ON SWLY
FLOW ALOFT.

ADJUSTED THE HOURLY WIND AND DEWPOINT GRIDS TO REFLECT RECENT OBS
AND TRENDS. WITH THE STRONG NELY WINDS EXPECTED TO SPREAD EAST
ACRS LOWER ACADIANA TODAY...WENT AHEAD AND EXTENDED THE WIND
ADVISORY EASTWARD. ALSO TWEAKED THE POP/WX GRIDS
SLIGHTLY...OTHERWISE THE REST OF THE FCST LOOKS ON TRACK FOR TODAY
INTO TONIGHT.

24

PREV DISCUSSION... /ISSUED 753 AM CDT FRI APR 1 2016/

UPDATE...DECIDED TO ISSUE SCA FOR WESTERN MARINE ZONES AND BAYS
AS WIND GUSTS ARE AROUND 25 KNOTS. NO CHANGES TO THE EASTERN
MARINE AREA AT THIS TIME. WILL LET DAY SHIFT ASSESS NEED FOR WIND
ADVISORY FOR COASTAL PARISHES. LATEST GUIDANCE SUGGESTS WINDS
SHOULD STAY BELOW CRITERIA.

04

PREV DISCUSSION... /ISSUED 625 AM CDT FRI APR 1 2016/

DISCUSSION...
FOR THE 01/12Z TAF PACKAGE.

AVIATION...
LATEST SFC OBS INDICATE CDFNT HAS PUSHED OFFSHORE OF SE TX/SW
LA...AND EXTENDS ENE TO BETWEEN KLFT AND KARA. VFR CIGS WITH AREAS
OF RAIN PREVAILING NORTH OF THE BOUNDARY...WITH IFR CIGS/VSBYS AT
KARA. FRONT IS EXPECTED TO CONTINUE SWD OVER THE NEXT FEW HRS AND
SHOULD PUSH THROUGH KARA THIS MORNING. AREAS OF RAIN AND ISOLATED
THUNDER WILL CONTINUE THROUGH THE DAY AMID ISENTROPIC
ASCENT/FAVORABLE JET POSITIONING ALOFT/APPROACHING UPPER TROF
OVER WEST TX...BEFORE TAPERING OFF FROM WEST TO EAST THIS EVENING.
NORTH WINDS WILL ALSO REMAIN BRISK AND GUSTY AT TIMES WITH A TIGHT
PRESSURE GRADIENT OVER THE NW GULF COAST REGION. VFR CIGS TO
PREVAIL AWAY FROM THE ACADIANA TERMINALS...WITH MODEL DATA
SUGGESTING BORDERLINE VFR/MVFR CIGS TO REMAIN AT KLFT/KARA.
IMPOSSIBLE TO TIME ANY POTENTIAL THUNDER IMPACTS...SO GIVEN THE
EXPECTED RELATIVELY ISOLATED NATURE...PREVAILED -RA WITH VCTS AT
THE COASTAL TERMINALS WHERE TSTMS ARE MOST LIKELY.

13

PREV DISCUSSION... /ISSUED 319 AM CDT FRI APR 1 2016/

DISCUSSION...

SHORT TERM...TODAY THROUGH SATURDAY

MAIN FORECAST ISSUE WILL BE POPS FOR TODAY. APPEARS FRONTAL BOUNDARY
IS STRETCHING FROM NEAR BEAUMONT TO HIGHWAY 190 CORRIDOR IN
LOUISIANA.  CONVECTION EARLIER OVER VERNON AND RAPIDES PARISH HAS
DISSIPATED.  PATCHY FOG IS FORMING IN THE VICINITY OF BOUNDARY WITH
VISIBILITIES AVERAGING AROUND 3 MILES. AT THIS TIME...EXPECT LOCALLY
DENSE FOG AT BEST.  WATER VAPOR IS SHOWING A NICE SHORT WAVE MOVING
INTO SOUTH TEXAS AND WILL MOVE THROUGH THE FORECAST AREA TODAY.
REGARDLESS OF FRONTAL POSITION...EXPECT SHOWER ACTIVITY TO INCREASE
THIS MORNING OVER SE TEXAS AND THEN MOVE THROUGH SW/SC LOUISIANA
THROUGH THE AFTERNOON. BEST CHANCE FOR STORMS WILL BE ALONG I10
CORRIDOR AND EXTENDING SOUTH OVER THE WATERS. WILL CARRY CHANCE POPS
INTO EARLY TONIGHT ESPECIALLY OVER LOWER ACADIANA.
BREEZY CONDITIONS ARE EXPECTED TODAY AND TONIGHT AS HIGH PRESSURE
BUILDS OVER THE SOUTHERN PLAINS...BUT NO WIND ADVISORY WILL BE
ISSUED FOR NOW.

COOLER WEATHER IS EXPECTED TONIGHT AS LOW TEMPERATURES WILL FALL
INTO THE UPPER 40S TO LOWER 50S WITH CLEARING SKIES. DRY AND MILD
WEATHER IS ANTICIPATED FOR SATURDAY WITH HIGHS NEAR 70.

04

LONG TERM...SATURDAY NIGHT THROUGH THURSDAY

AFTER PASSAGE OF UPPER TROUGH HIS WEEKEND...UPPER LEVEL RIDGE WILL
BUILD OVER THE AREA THROUGH MIDWEEK. DRY AND MILD WEATHER WILL
CONTINUE. FOR NOW...WILL HAVE LOW POPS FOR THURSDAY AS MODELS ARE
SHOWING UPPER TROUGH MOVING THROUGH CENTRAL PLAINS WITH ASSOCIATED
SURFACE BOUNDARY APPROACHING AREA. ONLY MODEST MOISTURE RETURN IS
EXPECTED. AFTER SUNDAY...TEMPERATURES ARE EXPECTED TO BE ABOVE
NORMAL.

04

MARINE...WITH HIGH PRESSURE BUILDING OVER THE SOUTHERN PLAINS
AND LOW PRESSURE WAVE OVER GULF...EXPECT GRADIENT TO TIGHTEN TODAY
OVER THE MARINE AREA. THEREFORE STRONG OFFSHORE FLOW IS ANTICIPATED.
AT THIS TIME ONLY CHANGE FOR TODAY'S SCS HAZARD WILL BE TO INCLUDE
EASTERN MARINE ZONES. WILL GO AHEAD AND ISSUE SCA BEGINNING AT 21Z
FOR NEARSHORE AND OFFSHORE WATERS. WINDS WILL DIMINISH SATURDAY
NIGHT WITH HIGH PRESSURE BUILDING OVER THE NORTHERN GULF THROUGH
EARLY NEXT WEEK.

04

&&

.PRELIMINARY POINT TEMPS/POPS...
AEX  70  47  68  45 /  50  30  10   0
LCH  71  51  70  47 /  70  30  10   0
LFT  73  52  70  47 /  80  40  10   0
BPT  72  51  72  47 /  60  20  10   0

&&

.LCH WATCHES/WARNINGS/ADVISORIES...
LA...WIND ADVISORY UNTIL 7 PM CDT THIS EVENING FOR LAZ041>045-052>055-
     073-074.

TX...WIND ADVISORY UNTIL 7 PM CDT THIS EVENING FOR TXZ215-216.

GM...SMALL CRAFT ADVISORY UNTIL 7 PM CDT SATURDAY FOR GMZ475.

     SMALL CRAFT EXERCISE CAUTION UNTIL 4 PM CDT THIS AFTERNOON FOR
     GMZ455-475.

     SMALL CRAFT ADVISORY UNTIL 7 PM CDT SATURDAY FOR GMZ470-472.

     SMALL CRAFT ADVISORY UNTIL 4 PM CDT THIS AFTERNOON FOR GMZ430-
     432.

     SMALL CRAFT EXERCISE CAUTION UNTIL 1 AM CDT SATURDAY FOR GMZ430-
     432.

     SMALL CRAFT ADVISORY UNTIL 1 PM CDT SATURDAY FOR GMZ455.

     SMALL CRAFT EXERCISE CAUTION UNTIL 1 AM CDT SATURDAY FOR GMZ435.

     SMALL CRAFT ADVISORY UNTIL 1 PM CDT SATURDAY FOR GMZ450-452.

&&
Hazardous weather outlook, Apr 1, 4:33 AM CDT, 10 hours 33 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LAKE CHARLES LA
433 AM CDT FRI APR 1 2016

GMZ430-432-435-450-452-455-470-472-475-LAZ027>033-041>045-052>055-
073-074-TXZ180-201-215-216-259>262-020945-
SABINE LAKE-CALCASIEU LAKE-VERMILION BAY-
COASTAL WATERS FROM CAMERON LA TO HIGH ISLAND TX OUT 20 NM-
COASTAL WATERS FROM INTRACOASTAL CITY TO CAMERON LA OUT 20 NM-
COASTAL WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY
LA OUT 20 NM-
WATERS FROM CAMERON LA TO HIGH ISLAND TX FROM 20 TO 60 NM-
WATERS FROM  INTRACOASTAL CITY TO CAMERON LA FROM 20 TO 60 NM-
WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY LA FROM
20 TO 60 NM-VERNON-RAPIDES-AVOYELLES-BEAUREGARD-ALLEN-EVANGELINE-
ST. LANDRY-CALCASIEU-JEFFERSON DAVIS-ACADIA-LAFAYETTE-
UPPER ST. MARTIN-VERMILION-IBERIA-ST. MARY-LOWER ST. MARTIN-
WEST CAMERON-EAST CAMERON-TYLER-HARDIN-JEFFERSON-ORANGE-
NORTHERN JASPER-NORTHERN NEWTON-SOUTHERN JASPER-SOUTHERN NEWTON-
433 AM CDT FRI APR 1 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF THE NORTHWEST
GULF OF MEXICO...CENTRAL LOUISIANA...SOUTH CENTRAL LOUISIANA...
SOUTHWEST LOUISIANA...WEST CENTRAL LOUISIANA...EAST CENTRAL TEXAS
AND SOUTHEAST TEXAS.

.DAY ONE...TODAY AND TONIGHT
SHOWERS AND THUNDERSTORMS ARE EXPECTED OVER THE AREA TODAY AS A
COLD FRONT MOVES OVER THE SOUTHERN GULF. FREQUENT LIGHTNING... GUSTY
WINDS AND HEAVY RAIN WILL OCCUR WITH THE THUNDERSTORM ACTIVITY. A
FEW STRONG STORMS...POTENTIALLY APPROACHING SEVERE LIMITS...MAY
DEVELOP ESPECIALLY ALONG THE INTERSTATE 10 CORRIDOR AND LOWER
ACADIANA. THUNDERSTORMS WILL BE LESS NUMEROUS NORTH OF INTERSTATE
10. THE ACTIVITY WILL DECREASE TONIGHT.

OVER THE COASTAL WATERS...MODERATE TO STRONG OFFSHORE WINDS ARE FORECASTED
FOR LATER TODAY AND TONIGHT. WAVES MAY APPROACH 7 FEET IN THE
OUTER WATERS. A SMALL CRAFT ADVISORY IS IN EFFECT BEGINNING LATER
TODAY AND CONTINUING TONIGHT.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY
OVER THE COASTAL WATERS...THE SMALL CRAFT ADVISORY WILL CONTINUE
THROUGH SATURDAY. WINDS AND WAVES WILL DIMINISH SATURDAY NIGHT.

THERE WILL BE A SLIGHT CHANCE OF SHOWERS ON THURSDAY...OTHERWISE
NO HAZARDOUS WEATHER IS ANTICIPATED THROUGH THE PERIOD.

.SPOTTER INFORMATION STATEMENT...
AT THIS TIME...SPOTTER ACTIVATION IS NOT EXPECTED.

In the hours before

Special weather statement, Apr 1, 2:06 PM CDT, 1 hour before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
206 PM CDT FRI APR 1 2016

LAZ052-053-011945-
IBERIA LA-VERMILION LA-
206 PM CDT FRI APR 1 2016

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN VERMILION AND WEST
CENTRAL IBERIA PARISHES UNTIL 245 PM CDT...

AT 206 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM OVER
FRESHWATER CITY...MOVING NORTHEAST AT 40 MPH.

NICKEL SIZE HAIL WILL BE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
ABBEVILLE...INTRACOASTAL CITY...FRESHWATER CITY...ERATH...HENRY...ESTHER
AND WEEKS ISLAND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
LIGHTNING CAN STRIKE 10 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.

&&

LAT...LON 2957 9250 2996 9204 2982 9177 2974 9186
      2975 9188 2982 9182 2984 9196 2980 9198
      2973 9212 2976 9213 2975 9221 2971 9218
      2970 9210 2967 9213 2962 9211 2963 9203
      2958 9209 2953 9231
TIME...MOT...LOC 1906Z 226DEG 36KT 2955 9231

JONES
Local storm report, Apr 1, 2:24 PM CDT, 42 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Apr 1, 4:02 AM CDTSmall Craft AdvisoryLCH41 hr
Apr 1, 7:44 AM CDTSpecial Marine WarningLCH61 min
Apr 1, 8:04 AM CDTWind AdvisoryLCHCameron, Lafayette, Saint Martin13 hr
Apr 1, 8:09 AM CDTSpecial Marine WarningLCH51 min
Apr 1, 8:39 AM CDTSpecial Marine WarningLCH51 min
Apr 1, 9:29 AM CDTSpecial Marine WarningLCH46 min
Apr 1, 10:13 AM CDTSpecial Marine WarningLCH47 min
Apr 1, 10:59 AM CDTSpecial Marine WarningLCH46 min
Apr 1, 11:59 AM CDTSpecial Marine WarningLCH46 min
Apr 1, 12:41 PM CDTSpecial Marine WarningLCH49 min
Apr 1, 1:05 PM CDTSpecial Marine WarningLCH25 min
Apr 1, 1:23 PM CDTSpecial Marine WarningLCH52 min
Apr 1, 1:52 PM CDTSpecial Marine WarningLCH23 min
Apr 1, 2:06 PM CDTSpecial Weather StatementLCHVermilion39 min
Apr 1, 2:08 PM CDTSpecial Marine WarningLCH52 min
Apr 1, 2:57 PM CDTSpecial Marine WarningLCH48 min
Apr 1, 3:06 PM CDTGale WarningLCH16 hr

Nearby

Small Craft Advisories in Louisiana, 2016Every small craft advisory 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.