Alert archive / Louisiana / Flash Flood Watches in 2015

Flash Flood Watch 8, NWS Lake Charles, LA

April 26, 201510 parishes in Louisiana; 4 counties in Texas

NWS Lake Charles, LA issued this flash flood watch at Apr 26, 2015, 4:02 PM CDT for 10 parishes in Louisiana; 4 counties in Texas. It took effect at Apr 27, 2015, 7:00 AM CDT. It was in force for 21 hr.

The area

The counties it named.

The facts

Issued: Apr 26, 2015, 4:02 PM CDT (21:02 UTC)
In effect from: Apr 27, 2015, 7:00 AM CDT
Expired: Apr 28, 2015, 3:51 AM CDT
In force: 21 hr
Issued by: NWS Lake Charles, LA
Flood severity: None

Counties Allen Parish, LA, Avoyelles Parish, LA, Beauregard Parish, LA, Cameron Parish, LA, Evangeline Parish, LA, Lafayette Parish, LA, Rapides Parish, LA, Saint Landry Parish, LA, Saint Martin Parish, LA, Vernon Parish, LA, Hardin County, TX, Jasper County, TX, Newton County, TX, Tyler County, TX

The radar

The Ft Polk radar (KPOE), 58 km from the middle of the area, began a volume at 21:03 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 forecasters said that day

The local office's own words before this flash flood watch 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 flash flood watch went out at Apr 26, 3:52 PM CDT, 10 minutes earlier.

Area forecast discussion, Apr 26, 3:52 PM CDT, 10 minutes before

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Hazardous weather outlook, Apr 26, 6:05 AM CDT, 9 hours 57 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LAKE CHARLES LA
605 AM CDT SUN APR 26 2015

LAZ027>033-041>045-052>055-073-074-TXZ180-201-215-216-259>262-
271115-
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-
605 AM CDT SUN APR 26 2015

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

.DAY ONE...TODAY AND TONIGHT
AREAS OF DENSE FOG CAN BE EXPECTED EARLY THIS MORNING AND A DENSE
FOG ADVISORY IS IN EFFECT.

ISOLATED SHOWERS OR THUNDERSTORMS WILL BE POSSIBLE DURING THE
AFTERNOON ACROSS PORTIONS OF SOUTHEAST TEXAS. NO SEVERE WEATHER IS
EXPECTED.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY
SHOWERS AND THUNDERSTORMS WILL INCREASE BY MONDAY MORNING ACROSS
THE AREA AS A POTENT UPPER LEVEL LOW MOVES INTO TEXAS. CONDITIONS
LOOK QUITE FAVORABLE FOR THE DEVELOPMENT OF SOME STRONG TO SEVERE
STORMS DURING THE DAY MONDAY INTO MONDAY EVENING. SPC CONTINUES TO
INDICATE A SLIGHT RISK FOR SEVERE STORMS...WITH DAMAGING
WINDS AND LARGE HAIL ARE THE LIKELIEST THREATS ALTHOUGH A FEW
TORNADOES WILL ALSO BE POSSIBLE. IN ADDITION...MOISTURE WILL BE
ABUNDANT AND THIS WILL LEAD TO THE POSSIBILITY OF STORMS PRODUCING
VERY HEAVY RAINFALL ALONG WITH INTENSE RAINFALL RATES. FLOODING
WILL BE POSSIBLE...ESPECIALLY IN LOCATIONS WHERE TRAINING STORMS
DEVELOP. URBAN AND LOW-LYING AREAS WILL ESPECIALLY BE AT RISK FOR
FLOOD PROBLEMS THROUGH MONDAY NIGHT.

RAIN CHANCES WILL DIMINISH FROM WEST TO EAST TUESDAY...WITH DRY
WEATHER PREVAILING THROUGH THE REMAINDER OF THE PERIOD.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION MAY BECOME NECESSARY MONDAY AND MONDAY NIGHT.

GMZ430-432-435-450-452-455-470-472-475-271115-
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-
605 AM CDT SUN APR 26 2015

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

.DAY ONE...TODAY AND TONIGHT
AREAS OF DENSE FOG CAN BE EXPECTED EARLY THIS MORNING OVER THE
COASTAL LAKES AND BAYS. A DENSE FOG ADVISORY IS IN EFFECT THROUGH
9 AM.

ISOLATED SHOWERS OR THUNDERSTORMS WILL BE POSSIBLE DURING THE LATE
MORNING AND AFTERNOON. OCCASIONAL CLOUD TO WATER LIGHTNING CAN BE
EXPECTED ALONG WITH GUSTY WINDS.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY
SCATTERED SHOWERS AND THUNDERSTORMS WILL DEVELOP BY EARLY MONDAY
MORNING...BECOMING MORE NUMEROUS MONDAY INTO MONDAY NIGHT. SOME
STRONG TO SEVERE STORMS WILL BE POSSIBLE...RESULTING IN STRONG
GUSTY WINDS AND POSSIBLY A FEW WATERSPOUTS. FREQUENT CLOUD TO
GROUND LIGHTNING AND VERY HEAVY DOWNPOURS REDUCING VISIBILITIES TO
LESS THAN ONE MILE ARE ALSO EXPECTED TO ACCOMPANY THE STORMS.

A COLD FRONT WILL MOVE ACROSS THE COASTAL WATERS EARLY TUESDAY.
STRONG NORTH WINDS ARE EXPECTED TO DEVELOP BEHIND IT...WITH SMALL
CRAFT ADVISORY CONDITIONS POSSIBLE FOR LATE TUESDAY INTO EARLY
WEDNESDAY.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT EXPECTED.

24

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 26, 5:36 AM CDT	Dense Fog Advisory	LCH	Allen, Avoyelles, Beauregard, Cameron, Evangeline, Lafayette and 4 more	4 hr

Nearby

Flash Flood Watches in Louisiana, 2015 Flash Flood Watches in Texas, 2015 Every flash flood watch in 2015

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.