Heavy rain and flooding affected the New Iberia area.
Every event with a place to put it. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS LCH wrote it up.
Heavy rain and flooding affected the New Iberia area.
The local office's own words before the first event, 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 the first event at May 1, 8:57 PM CST, 3 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LAKE CHARLES LA 957 PM CDT WED MAY 1 2013 .DISCUSSION... LOCAL 88DS CONTINUE TO SHOW A WEAKENING MCS MOVING SEWD ACROSS THE ERN PORTION OF THE FORECAST AREA. CONVECTION DEVELOPED ON THE BACK SIDE OF THE MID-LEVEL LOW CURRENTLY SEEN SPINNING ACROSS SERN LA/SWRN MS. ADJUSTED POPS THROUGH MIDNIGHT BASED ON CURRENT RADAR TRENDS...THEN MAINTAINED AT LEAST A SMALL POP AREA-WIDE THRU THE REMAINDER OF THE NIGHT BASED ON THE LINGERING PESKY LOW ALOFT COMBINED WITH A LINGERING VERY MOIST/UNSTABLE AIRMASS IN PLACE PER EVENING SOUNDINGS. TWEAKED OTHER GRIDS BASED ON LATEST OBSERVATIONS. UPDATE OUT SHORTLY. 25 && .PREV DISCUSSION... /ISSUED 659 PM CDT WED MAY 1 2013/ AVIATION... LOW PRESSURE STACKED ABOVE ACADIANA HAS DRAWN IN GOOD MOISTURE WITH COOL AIR ALOFT RESULTING IN GOOD INSTABILITIES AND AFTERNOON SHOWERS AND THUNDERSTORMS LINGERING INTO THE EARLY EVENING HOURS BETWEEN AEX AND LFT. WILL MAINTAIN VCTS AT AEX DUE TO PROXIMITY TO ACTIVITY DEPARTING TO THE SOUTHEAST AND VCSH AT LFT AND ARA FOR THE NEXT FEW HOURS. SHOULD SEE A REPEAT AROUND THE MIDDLE OF THE DAY ON THURSDAY WITH THE LOW DISPLACED ONLY SLIGHTLY TO THE EAST. SINCE BETTER MOISTURE STAYS TO THE EAST MVFR CIGS AT LFT AND ARA BY MID- MORNING. A COLD FRONT COULD BE MOVING INTO THE BPT AREA THURSDAY AFTERNOON SO INCLUDED GUSTY NORTHWEST WINDS THERE WITH MVFR CIGS AT BPT AND LCH DURING THE AFTERNOON. SWEENEY SYNOPSIS... A CANADIAN FRONT WILL TRAVEL SOUTH AND EAST ACROSS TEXAS ON THURSDAY. THE FRONT WILL ENTER SOUTHEAST TEXAS BY THURSDAY EVENING...BEFORE EXITING THE NORTHWEST GULF OF MEXICO BY FRIDAY MORNING. AT MID-LEVELS...THE FIRST CUT-OFF LOW...SITUATED ACROSS CENTRAL LOUISIANA...WILL PROPAGATE SOUTHEAST...REACHING VICINITY NEW ORLEANS BY EARLY MORNING THURSDAY. UPPER-LEVELS...THE SUBTROPICAL JETSTREAM CORES THROUGH DESERT MEXICO TO ACROSS THE YUCATAN CHANNEL. DISCUSSION... THE UNUSUAL EQUATORWARD DISPLACEMENT OF THE SUBTROPICAL JETSTREAM IS ALLOWING COOLER AIR ALOFT TO POOL OVER LOUISIANA (IE...THE CUT- OFF LOW). THIS COOLER AIR ALOFT OVERLIES A WARM GROUND...BRINGING ABOUT AN UNSTABLE AIR COLUMN. SCATTERED SHOWERS AND THUNDERSTORMS ARE THE RESULT. FOR TONIGHT...SHOWERS AND THUNDERSTORMS WILL BE COMING TO AN END... WITH THE SETTING SUN. THE OVERNIGHT TEMPERATURES WILL BE RUNNING A FEW DEGREES ABOVE NORMAL FOR EARLY MAY. FOR THURSDAY...SHOWERS AND THUNDERSTORMS WILL RETURN...MAINLY ALONG AND EAST OF THE I-49 CORRIDOR. THE AFTERNOON TEMPERATURES WILL BE RUNNING ABOUT NORMAL FOR EARLY MAY. FOR THURSDAY NIGHT...ADVECTIVE COOLING WILL BE ONGOING...AS THE CANADIAN FRONT EXITS THE FORECAST AREA. OUTLOOK... ADVECTING CANADIAN AIR WILL CONTINUE PERTURBING THE MIDLATITUDE WESTERLIES. A SECOND CUT OFF LOW...MUCH DEEPER THAN THE FIRST... WILL FORM OVER EASTERN OKLAHOMA ON FRIDAY. THIS DEEP LOW WILL DRIFT EASTWARD THROUGH ARKANSAS ON SATURDAY. RECORD MINIMUM TEMPERATURES POSSIBLE SATURDAY MORNING. STATION FORECAST RECORD BEAUMONT 45 45 (2011) LAKE CHARLES 44 46 (2011) ALEXANDRIA 39 42 (2011) LAFAYETTE 43 44 (1954) NEW IBERIA 45 43 (1954). IN ADDITION...RECORD COOL MAXIMUM TEMPERATURES ARE POSSIBLE ON FRIDAY AND SATURDAY. MARINE... THE ACTUAL TIDE LEVELS WILL BE APPROACHING THE LOW WATER THRESHOLD (ABOUT MINUS 1 BELOW THE MEAN-LOWER-LOW WATER DATUM) AT THE TIME OF LOW TIDE (EARLY MORNING FRIDAY). 21 && .PRELIMINARY POINT TEMPS/POPS... KLCH 65 79 52 64 44 / 40 40 20 10 10 KBPT 65 78 48 65 45 / 30 20 10 10 10 KAEX 64 76 48 58 39 / 60 60 40 20 10 KLFT 64 78 55 64 43 / 40 60 40 10 10 && .LCH WATCHES/WARNINGS/ADVISORIES... LA...NONE. TX...NONE. GM...NONE. &&
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LAKE CHARLES LA 534 AM CDT WED MAY 1 2013 LAZ027>033-041>045-052>055-073-074-TXZ180-201-215-216-259>262- 021045- 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- 534 AM CDT WED MAY 1 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL LOUISIANA...SOUTH CENTRAL LOUISIANA...SOUTHWEST LOUISIANA...WEST CENTRAL LOUISIANA AND SOUTHEAST TEXAS. .DAY ONE...TODAY AND TONIGHT AN UPPER LEVEL LOW WILL CONTINUE TO MEANDER SLOWLY ACROSS THE REGION. THIS SYSTEM WILL COMBINE WITH A VERY MOIST AIR MASS TO PROVIDE SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS WITH THE HIGHEST COVERAGE EXPECTED ACROSS THE EASTERN HALF OF THE AREA. DUE TO THE EXPECTED HIGH MOISTURE CONTENT AND RELATIVELY SLOW STORM MOVEMENT...SOME LOCALLY HEAVY RAINFALL WILL BE POSSIBLE...WHICH MAY LEAD TO FLOODING OF STREETS AND LOW LYING POOR DRAINAGE AREAS. ALTHOUGH SEVERE WEATHER IS NOT EXPECTED...SOME STORMS WILL BE CAPABLE OF PRODUCING FREQUENT CLOUD TO GROUND LIGHTNING. SHOWERS AND THUNDERSTORMS WILL DIMINISH THIS EVENING. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY SCATTERED SHOWERS AND THUNDERSTORMS WILL AGAIN BE POSSIBLE ON THURSDAY AS A COLD FRONT MOVES INTO THE REGION. SEVERE WEATHER IS NOT EXPECTED...BUT SOME STORMS WILL BE CAPABLE OF PRODUCING FREQUENT CLOUD TO GROUND LIGHTNING...GUSTY WINDS AND BRIEF HEAVY RAINFALL. RAIN CHANCES WILL DIMINISH ON FRIDAY...WITH BREEZY AND MUCH COOLER CONDITIONS EXPECTED. TEMPERATURES WILL FALL INTO THE 40S BY SATURDAY MORNING AND SOME RECORD LOW TEMPERATURES COULD BE TIED OR BROKEN. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED. GMZ430-432-435-450-452-455-470-472-475-021045- 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- 534 AM CDT WED MAY 1 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF THE NORTHWEST GULF OF MEXICO. .DAY ONE...TODAY AND TONIGHT SCATTERED SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE AS AN UPPER LEVEL DISTURBANCE MOVES ACROSS THE REGION. A FEW STORMS WILL BE CAPABLE OF PRODUCING OCCASIONAL CLOUD TO WATER LIGHTNING AND LOCALLY HEAVY RAINFALL REDUCING VISIBILITIES BELOW 1 MILE. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY A STRONG COLD FRONT WILL MOVE ACROSS THE COASTAL WATERS ON THURSDAY EVENING. STRONG AND GUSTY NORTHERLY WINDS WILL DEVELOP BEHIND THE FRONT AND PERSIST THROUGH FRIDAY NIGHT OR SATURDAY MORNING. SMALL CRAFT EXERCISE CAUTION CONDITIONS ARE EXPECTED FOR THE LAKES AND BAYS...WITH SMALL CRAFT ADVISORIES ANTICIPATED FOR THE NEAR SHORE AND OUTER WATERS DURING THAT TIME FRAME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. 24
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
435 PM CDT WED MAY 1 2013
LAZ029-012200-
AVOYELLES LA-
435 PM CDT WED MAY 1 2013
...SIGNIFICANT WEATHER ADVISORY FOR AVOYELLES PARISH UNTIL 500 PM
CDT...
AT 430 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM OVER BIG BEND...MOVING SOUTHWEST AT 5 MPH.
* THE STRONG THUNDERSTORM WILL BE NEAR...
BIG BEND BY 445 PM...
SIMMESPORT...BORDELONVILLE AND MOREAUVILLE BY 500 PM...
THE PRIMARY THREATS FROM THIS STORM ARE PEA TO NICKEL SIZE HAIL AND
WIND GUSTS TO NEAR 40 MPH...WHICH COULD DOWN TREE LIMBS AND BLOW
AROUND UNSECURED SMALL OBJECTS. SEEK SHELTER IN A SAFE HOME OR
BUILDING UNTIL THIS STORM HAS PASSED.
THIS STORM COULD PRODUCE RAINFALL AMOUNTS OF ONE TO TWO INCHES IN A
SHORT PERIOD OF TIME...RESULTING IN PONDING OF WATER AROUND LOW LYING
ROADWAYS. REMEMBER...DO NOT DRIVE YOUR VEHICLE INTO WATER COVERED
ROADWAYS. THE DEPTH MAY BE TOO GREAT TO ALLOW A SAFE CROSSING.
LAT...LON 3114 9171 3112 9171 3111 9170 3109 9171
3106 9171 3099 9177 3098 9180 3093 9179
3089 9182 3104 9202 3119 9179
SWEENEYSPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LAKE CHARLES LA 750 PM CDT WED MAY 1 2013 LAZ032-033-043-020115- ST. LANDRY LA-EVANGELINE LA-ACADIA LA- 750 PM CDT WED MAY 1 2013 ...SIGNIFICANT WEATHER ADVISORY FOR ST. LANDRY...EVANGELINE AND ACADIA PARISHES UNTIL 815 PM CDT... AT 745 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A STRONG THUNDERSTORM 3 MILES SOUTH OF EUNICE...MOVING SOUTHEAST AT 20 MPH. * THE STRONG THUNDERSTORM WILL BE NEAR... MOWATA BY 755 PM... MAXIE AND RICHARD BY 805 PM... BRANCH AND CHURCH POINT BY 815 PM... THE PRIMARY THREATS FROM THIS STORM ARE PEA TO NICKEL SIZE HAIL AND WIND GUSTS TO NEAR 40 MPH...WHICH COULD DOWN TREE LIMBS AND BLOW AROUND UNSECURED SMALL OBJECTS. SEEK SHELTER IN A SAFE HOME OR BUILDING UNTIL THIS STORM HAS PASSED. LAT...LON 3037 9217 3026 9240 3046 9255 3055 9239 SWEENEY
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LAKE CHARLES LA 845 PM CDT WED MAY 1 2013 LAZ033-043>045-052-020215- ST. LANDRY LA-LAFAYETTE LA-ACADIA LA-UPPER ST. MARTIN LA-VERMILION LA- 845 PM CDT WED MAY 1 2013 ...SIGNIFICANT WEATHER ADVISORY FOR ST. LANDRY...LAFAYETTE... ACADIA...VERMILION AND ST. MARTIN PARISHES UNTIL 915 PM CDT... AT 838 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A STRONG THUNDERSTORM 3 MILES WEST OF SCOTT...MOVING SOUTHEAST AT 20 MPH. * THE STRONG THUNDERSTORM WILL BE NEAR... LAFAYETTE AND RIDGE BY 850 PM... MAURICE BY 900 PM... BROUSSARD BY 905 PM... YOUNGSVILLE BY 915 PM... THE PRIMARY THREATS FROM THIS STORM ARE PEA TO NICKEL SIZE HAIL AND WIND GUSTS TO NEAR 40 MPH...WHICH COULD DOWN TREE LIMBS AND BLOW AROUND UNSECURED SMALL OBJECTS. SEEK SHELTER IN A SAFE HOME OR BUILDING UNTIL THIS STORM HAS PASSED. THIS STORM COULD PRODUCE RAINFALL AMOUNTS OF ONE TO TWO INCHES IN A SHORT PERIOD OF TIME...RESULTING IN PONDING OF WATER AROUND LOW LYING ROADWAYS. REMEMBER...DO NOT DRIVE YOUR VEHICLE INTO WATER COVERED ROADWAYS. THE DEPTH MAY BE TOO GREAT TO ALLOW A SAFE CROSSING. LAT...LON 3013 9186 3002 9214 3027 9227 3034 9209 SWEENEY
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
849 PM CDT WED MAY 1 2013
LAZ041-020215-
CALCASIEU LA-
849 PM CDT WED MAY 1 2013
...SIGNIFICANT WEATHER ADVISORY FOR CALCASIEU PARISH UNTIL 915 PM
CDT...
AT 847 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM 7 MILES SOUTHWEST OF VINTON...MOVING SOUTH AT 15
MPH.
* THE STRONG THUNDERSTORM WILL BE NEAR...
RURAL SOUTHWESTERN CALCASIEU PARISH AT 900 PM
THE PRIMARY THREATS FROM THIS STORM ARE PEA TO NICKEL SIZE HAIL AND
WIND GUSTS TO NEAR 40 MPH...WHICH COULD DOWN TREE LIMBS AND BLOW
AROUND UNSECURED SMALL OBJECTS. SEEK SHELTER IN A SAFE HOME OR
BUILDING UNTIL THIS STORM HAS PASSED.
LAT...LON 3005 9370 3007 9370 3005 9372 3007 9371
3009 9373 3014 9369 3015 9371 3017 9370
3018 9371 3024 9360 3006 9345 3005 9349
3005 9362
SWEENEYThe national radar mosaic for the moment the first event began.
1 heavy rain. Local standard time, as filed.
The New Iberia ASOS received 2.07 inches of rain in 53 minutes. Media in the area also reported street flooding around the city.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Louisiana in 2013Every state in 2013This day in weather historyWarnings in Louisiana, May 2013
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 450031.