Alert archive / Texas / Special Weather Statements in 2016

Special Weather Statement, NWS Lake Charles, LA

April 18, 2016Jefferson County, Texas

NWS Lake Charles, LA issued this special weather statement at Apr 18, 2016, 10:42 AM CDT for Jefferson County, Texas. It was in force for 48 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Apr 18, 2016, 10:42 AM CDT (15:42 UTC)
Expired
Apr 18, 2016, 11:30 AM CDT
In force
48 min
Issued by
NWS Lake Charles, LA

County Jefferson County, TX

The radar

The Lake Charles radar (KLCH), 75 km from the middle of the area, began a volume at 15:44 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.

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 3.7 hours before the alert went out and 76 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-pSkew-T log-p diagram, Lake Charles Mun, LA at 12:00Z on 2016-04-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 283 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lake Charles Mun, LA at 12:00Z on 2016-04-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 174 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
283 J/kg
Mixed-layer CIN
-37 J/kg
Mixed-layer LCL
517 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
174 m²/s²
0-3 km storm-relative helicity
231 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.6

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Apr 18, 7:12 AM CDT, 3 hours 30 minutes earlier.

Area forecast discussion, Apr 18, 7:12 AM CDT, 3 hours 30 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
712 AM CDT MON APR 18 2016

.UPDATE...
UPDATE TO REMOVE WIND ADVISORY HEADLINE FROM JEFFERSON COUNTY AND
VERMLION PARISH ZONE FORECAST. TWEAKED POPS THROUGH MID WEEK.

&&

.PREV DISCUSSION... /ISSUED 608 AM CDT MON APR 18 2016/

UPDATE...
FLASH FLOOD WATCH POSTED FROM NOW UNTIL 12Z TUESDAY FOR
ALL OF SOUTHEAST TEXAS. 3 TO 5 INCH RAINFALL TOTALS POSSIBLE
IN THE WATCH AREA WITH ISOLATED AMOUNTS UP TO NEAR 7 INCHES.

PREV DISCUSSION... /ISSUED 555 AM CDT MON APR 18 2016/

AVIATION...RAIN AND THUNDERSTORMS WILL CONTINUE TO WORK INTO THE
REGION FROM THE WEST THIS MORNING. LOWER VIS AND CEILINGS WILL
ACCOMPANY THIS AREA OF PRECIP. RAIN CHANCES WILL BE LESSER TOWARD
KLFT AND KARA. WINDS WILL ALSO INCREASE THIS MORNING AND BECOME
GUSTY AGAIN TODAY.

PREV DISCUSSION... /ISSUED 438 AM CDT MON APR 18 2016/

DISCUSSION...
PERSISTENT UPPER LEVEL OMEGA BLOCK PATTERN WITH TROUGHING OVER
THE COLORADO ROCKIES...RIDGING ACROSS OUR EASTERN UNITED STATES
AND ANOTHER TROUGH OVER THE WESTERN ATLANTIC CONTINUES TO BRING
HEAVY TRAINING RAINS ACROSS TEXAS OVERNIGHT SPAWNING FLASH FLOOD
WARNINGS MAINLY WEST OF THE HOUSTON AREA. ACROSS EXTREME SOUTHEAST
TEXAS AND SOUTHWEST LOUISIANA...LOW LEVEL MOISTURE CONTINUED TO
STREAM OUT OF THE GULF AND CONVERGE INTO THE CURRENTLY UNFOLDING
HEAVY RAIN AREA.

FOR THE MOST PART...OUR AREA HAS BEEN SPARED THE HEAVY RAIN THUS
FAR...BUT THE RADAR IS NOW SHOWING THE LEADING EDGE OF THE SHIELD
HAVING ENTERED OUR SOUTHEAST TEXAS AREA. QUANTITATIVE PRECIPITATION
TOTALS OR QPF INDICATES THAT 2 TO NEAR 4 INCHES OF RAIN IS POSSIBLE
ACROSS OUR SOUTHEAST TEXAS COUNTY WARNING AREA BY TUESDAY 12Z.
SINCE OUR GROUND IS FAIRLY DRY WITH ONLY ONE DAY THIS MONTH OF 1
INCH OR BETTER OF PRECIPITATION...AND THE FLASH FLOOD GUIDANCE
VALUES FOR FLASH FLOODING FOR ONE HOUR BEING OVER 3 INCHES...3
HOUR 3.5 TO 4.5 INCHES...AND 6 HOUR VALUES 4.5 TO 5.5 INCHES...DO
NOT THINK WE NEED TO ISSUE FLOOD WATCH YET FOR SOUTHEAST TEXAS
AND MAY NOT NEED TOO IF THE UPPER LEVEL TROUGH TO THE WEST BEGINS
TO LIFT OUT LATER TODAY INTO TUESDAY. THE HEAVY RAIN MAY INDEED
HANG OUT TO OUR WEST AND NORTH. WE BELIEVE THE CURRENT MCS
BRINGING FLOODING RAINS WEST OF HOUSTON WILL WEAKEN THROUGH THE
MORNING. NEW HEAVY RAIN DEVELOPMENT WILL LIKELY FORM WEST OF
CURRENT ACTIVITY AND THAT WOULD PLACE HEAVY RAIN MAINLY ON THE
FRINGES OF OUR AREA BACK TO THE WEST THIS AFTERNOON. EVEN WITH
THAT SAID...STILL EXPECT SHOWERS AND THUNDERSTORMS OF THE LIGHTER
VARIETY TO DEVELOP ACROSS THE AREA. FOR NOW...WILL NOT ISSUE A
FLOOD WATCH PRODUCT...WILL LET THE DAY SHIFT MONITOR FOR ANY
FURTHER IMPINGEMENT OF THE HEAVY RAIN.

SHOWERS AND A FEW THUNDERSTORMS WILL LINGER THROUGH THURSDAY
BEFORE COMING TO AN END FOR FRIDAY AS A COOL FRONT PASSES THROUGH
THE AREA....DRY AND WARM WEATHER WILL FOLLOW INTO THE WEEKEND AS
DAYTIME HEATING OFFSETS THE WEAK COOL FRONT.

MARINE...
LOW PRESSURE TO THE NORTHWEST AND HIGH PRESSURE TO THE EAST WILL
KEEP THE NORTHWEST GULF OF MEXICO IN A LONG FETCH OF ONSHORE
WINDS. ELEVATED WINDS THIS MORNING WILL DECREASE LATE THIS
AFTERNOON INTO THE EVENING. ADDITIONALLY...SHOWER AND
THUNDERSTORM ACTIVITY WILL BE INCREASING AS DEEPENING MOISTURE
COMBINES WITH AN AREA OF LOW PRESSURE ALOFT OVER THE SOUTHERN
ROCKIES AND HIGH PLAINS.

&&

.PRELIMINARY POINT TEMPS/POPS...
AEX  79  62  76  64 /  50  40  50  50
LCH  78  68  77  68 /  60  50  60  40
LFT  80  65  78  66 /  20  20  30  40
BPT  77  69  77  68 /  80  80  80  40

&&

.LCH WATCHES/WARNINGS/ADVISORIES...
LA...COASTAL FLOOD ADVISORY UNTIL 6 PM CDT THIS EVENING FOR LAZ041-
     052>054-073-074.

TX...COASTAL FLOOD ADVISORY UNTIL 6 PM CDT THIS EVENING FOR TXZ215-
     216.

     FLASH FLOOD WATCH THROUGH TUESDAY MORNING FOR TXZ180-201-215-216-
     259>262.

GM...SMALL CRAFT ADVISORY UNTIL 7 PM CDT THIS EVENING FOR GMZ472-475.

     SMALL CRAFT ADVISORY UNTIL 1 PM CDT THIS AFTERNOON FOR GMZ450-
     452-455-470.

     SMALL CRAFT EXERCISE CAUTION FROM 1 PM THIS AFTERNOON TO 7 PM
     CDT THIS EVENING FOR GMZ450-452-455-470.

     SMALL CRAFT EXERCISE CAUTION UNTIL 7 PM CDT THIS EVENING FOR
     GMZ430-432-435.

&&

PUBLIC...06
Hazardous weather outlook, Apr 18, 5:14 AM CDT, 5 hours 28 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LAKE CHARLES LA
514 AM CDT MON APR 18 2016

GMZ435-LAZ027>033-041>045-052>055-073-074-TXZ180-201-215-216-
259>262-191015-
VERMILION BAY-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-
514 AM CDT MON APR 18 2016

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

.DAY ONE...TODAY AND TONIGHT
MODERATE TO OCCASIONAL HEAVY RAINS RETURN TO SOUTHEAST TEXAS AND
TO A LESSER DEGREE SOUTHWEST AND CENTRAL LOUISIANA TODAY AND
TONIGHT AS SEVERAL DISTURBANCE BEGIN TO EJECT OUT OF THE UPPER LOW
INTO OUR AREA. SEVERE WEATHER IS NOT EXPECTED.

EAST TO SOUTHEAST WINDS WILL REMAIN ELEVATED TODAY...HELPING
MAINTAIN ABOVE NORMAL TIDE LEVELS ALONG THE COAST. A COASTAL FLOOD
ADVISORY IS IN EFFECT UNTIL 6 PM THIS EVENING.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY
THE UPPER LEVEL TROUGH WILL LIFT OUT TO THE NORTH LEAVING BEHIND
ABUNDANT MOISTURE FOR SHOWERS AND THUNDERSTORMS TO CONTINUE TO
DEVELOP THROUGH THURSDAY. WHILE SEVERE WEATHER IS NOT CURRENTLY
FORECAST...A FEW STRONG STORMS DURING THE PERIOD CANNOT BE RULED
OUT AS DISTURBANCES MOVE AROUND THE BASE OF THE LARGER LOW.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT ANTICIPATED.

GMZ430-432-450-452-455-470-472-475-191015-
SABINE LAKE-CALCASIEU LAKE-
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-
514 AM CDT MON APR 18 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF GULF OF MEXICO.

.DAY ONE...TODAY AND TONIGHT
SMALL CRAFT ADVISORIES ARE IN EFFECT THIS MORNING AS SOUTHEAST WINDS
REMAIN ELEVATED DUE TO A STRONG PRESSURE GRADIENT. WINDS WILL
BEGIN TO RATCHET DOWN ACROSS THE INLAND LAKES AND BAYS THIS
AFTERNOON WHERE SMALL CRAFT SHOULD EXERCISE CAUTION WILL BE IN
EFFECT. THE REMAINDER OF THE COASTAL WATERS WILL SEE WINDS DROPOFF
THIS AFTERNOON FROM NORTH TO SOUTH AS WE ENTER INTO THE EVENING
PERIOD.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY
ONSHORE WINDS WILL CONTINUE TO TAPER OFF THROUGH THE THURSDAY. A
WEAK COOL FRONT WILL ENTER THE GULF WATERS ON FRIDAY WITH
OFFSHORE WINDS LASTING THROUGH SATURDAY MORNING. SOUTHERLY FLOW
RETURNS LATER IN THE DAY SATURDAY. HIGH PRESSURE WILL HOLD OVER
THE WEEKEND.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT ANTICIPATED.

In the hours before

Special weather statement, Apr 18, 6:17 AM CDT, 4 hours 25 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
617 AM CDT MON APR 18 2016

TXZ201-215-181200-
JEFFERSON TX-HARDIN TX-
617 AM CDT MON APR 18 2016

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN JEFFERSON AND
CENTRAL HARDIN COUNTIES UNTIL 700 AM CDT...

AT 616 AM CDT...DOPPLER RADAR WAS TRACKING STRONG THUNDERSTORMS ALONG
A LINE EXTENDING FROM 9 MILES NORTH OF DAYTON LAKES TO 7 MILES EAST
OF OLD RIVER-WINFREE TO NEAR BEACH CITY. MOVEMENT WAS EAST AT 25 MPH.

WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH THESE STORMS.

LOCATIONS IMPACTED INCLUDE...
BEAUMONT...KOUNTZE...SOUR LAKE...NOME...THICKET...SARATOGA...BEVIL OAKS...
CHINA...BATSON...FANNETT AND HONEY ISLAND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THESE STORMS...AND MAY LEAD
TO LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

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

&&

LAT...LON 3049 9435 2997 9417 2983 9436 2989 9436
      2989 9444 3011 9445 3011 9460 3040 9470
TIME...MOT...LOC 1116Z 261DEG 21KT 3028 9482 2991 9470 2971 9491

TINGLER
Special weather statement, Apr 18, 6:59 AM CDT, 3 hours 43 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
659 AM CDT MON APR 18 2016

TXZ201-215-181245-
JEFFERSON TX-HARDIN TX-
659 AM CDT MON APR 18 2016

...SIGNIFICANT WEATHER ADVISORY FOR WESTERN ORANGE...NORTHWESTERN
JEFFERSON...HARDIN AND SOUTHERN JASPER COUNTIES UNTIL 745 AM CDT...

AT 659 AM CDT...DOPPLER RADAR WAS TRACKING STRONG THUNDERSTORMS ALONG
A LINE EXTENDING FROM SARATOGA TO NEAR SOUR LAKE TO NEAR ANAHUAC.
MOVEMENT WAS NORTHEAST AT 25 MPH.

WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH THESE STORMS.

LOCATIONS IMPACTED INCLUDE...
BEAUMONT...LUMBERTON...SILSBEE...KOUNTZE...SOUR LAKE...NOME...SARATOGA...
HAMSHIRE...BEVIL OAKS...CHINA...VILLAGE MILLS...HONEY ISLAND...BATSON...
FANNETT AND CANEY HEAD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THESE STORMS...AND MAY LEAD
TO LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

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

&&

LAT...LON 3050 9440 3050 9414 3035 9408 3030 9412
      3026 9411 3026 9410 3022 9412 3020 9409
      3016 9412 3012 9407 3008 9409 3007 9406
      2979 9426 2976 9435 2989 9436 2989 9444
      3011 9445 3011 9452 3026 9465 3036 9468
TIME...MOT...LOC 1159Z 244DEG 20KT 3030 9453 3010 9441 2975 9460

TINGLER
Special weather statement, Apr 18, 10:42 AM CDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Apr 18, 6:25 AM CDTFlash Flood WatchLCHBeauregard, Cameron, Vernon31 hr
Apr 18, 9:36 AM CDTSpecial Marine WarningLCH39 min
Apr 18, 10:12 AM CDTSpecial Marine WarningLCH33 min
Apr 18, 10:38 AM CDTRiver Flood WarningLCHBeauregard, Calcasieu58 days
Apr 18, 1:15 PM CDTFlash Flood WarningLCHCalcasieu, Cameron3 hr
Apr 18, 2:59 PM CDTAreal Flood AdvisoryLCHCalcasieu3 hr
Apr 18, 3:47 PM CDTSmall Craft AdvisoryLCH15 hr
Apr 18, 4:23 PM CDTSpecial Weather StatementLCHAllen, Beauregard, Calcasieu, Cameron, Jefferson Davis67 min
Apr 18, 4:26 PM CDTFlash Flood WarningLCHCalcasieu, Cameron3 hr
Apr 18, 6:17 AM CDTSpecial Weather StatementLCHHardin43 min
Apr 18, 6:59 AM CDTSpecial Weather StatementLCHHardin46 min
Apr 18, 7:46 AM CDTAreal Flood AdvisoryLCHJefferson3 hr
Apr 18, 9:05 AM CDTAreal Flood AdvisoryLCHJefferson, Orange3 hr
Apr 18, 9:31 AM CDTRiver Flood WarningLCHJefferson, Orange25 days
Apr 18, 9:44 AM CDTFlash Flood WarningLCHJefferson3 hr
Apr 18, 10:15 AM CDTFlash Flood WarningLCHOrange3 hr
Apr 18, 11:26 AM CDTFlash Flood WarningLCHJasper, Newton3 hr
Apr 18, 11:49 AM CDTFlash Flood WarningLCHHardin3 hr
Apr 18, 2:22 PM CDTFlash Flood WarningLCHJasper, Newton6 hr
Apr 18, 2:32 PM CDTAreal Flood AdvisoryLCHHardin, Jasper, Newton, Tyler3 hr
Apr 18, 2:52 PM CDTAreal Flood WarningLCHHardin30 hr
Apr 18, 3:43 PM CDTRiver Flood WarningLCHHardin, Jasper9 days
Apr 18, 3:43 PM CDTRiver Flood WarningLCHHardin4 days
Apr 18, 3:43 PM CDTRiver Flood WarningLCHHardin, Jefferson11 days

Nearby

Special Weather Statements in Texas, 2016Every special weather statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.