Alert archive / Louisiana / Flash Flood Watches in 2014
Flash Flood Watch 1, NWS Lake Charles, LA
NWS Lake Charles, LA issued this flash flood watch at Apr 6, 2014, 4:10 PM CDT for 7 parishes in Louisiana. It was in force for 13 hr.
The area
The counties it named.
The facts
- Issued
- Apr 6, 2014, 4:10 PM CDT (21:10 UTC)
- Expired
- Apr 7, 2014, 5:32 AM CDT
- In force
- 13 hr
- Issued by
- NWS Lake Charles, LA
Counties Allen Parish, LA, Avoyelles Parish, LA, Evangeline Parish, LA, Lafayette Parish, LA, Rapides Parish, LA, Saint Landry Parish, LA, Saint Martin Parish, LA
The radar
The Ft Polk radar (KPOE), 92 km from the middle of the area, began a volume at 21:10 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, 9.2 hours before the alert went out and 112 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.
- Mixed-layer CAPE
- 3 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 401 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 526 m²/s²
- 0-3 km storm-relative helicity
- 574 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.0
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 6, 2:24 PM CDT, 1 hour 46 minutes earlier.
Area forecast discussion, Apr 6, 2:24 PM CDT, 1 hour 46 minutes before
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</html>Hazardous weather outlook, Apr 6, 6:41 AM CDT, 9 hours 29 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LAKE CHARLES LA 641 AM CDT SUN APR 6 2014 GMZ430-432-435-450-452-455-470-472-475-LAZ027>033-041>045-052>055- 073-074-TXZ180-201-215-216-259>262-071145- 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- 641 AM CDT SUN APR 6 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF THE NORTHWEST GULF OF MEXICO...CENTRAL LOUISIANA...SOUTH CENTRAL LOUISIANA... SOUTHWEST LOUISIANA...WEST CENTRAL LOUISIANA AND SOUTHEAST TEXAS. .DAY ONE...TODAY AND TONIGHT ...SEVERE THUNDERSTORM WATCH 63 IN EFFECT UNTIL 2 PM CDT THIS AFTERNOON... AREAS OF RAINS ARE BEGINNING TO DEVELOP ACROSS SOUTHEAST TEXAS AND SOUTHERN LOUISIANA THIS MORNING. AS MOIST RIDES UP AND OVER A STALLED FRONTAL BOUNDARY. THIS ACTIVITY WILL BECOME MORE NUMEROUS THROUGH THE MORNING AND INTO THE AFTERNOON HOURS. THERE WILL BE A THREAT THAT SOME STORMS MAY BECOME SEVERE TODAY. RAINS TODAY WILL BE HEAVY AT TIMES AND A FLOOD WATCH HAS BEEN POSTED. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY STORMS TAPERING OFF ON MONDAY BEHIND THE WIND SHIFT AS THE NEXT COLD FRONT MOVES THROUGH. STORMS ENDING BY THE LATE AFTERNOON HOURS ACROSS SOUTH CENTRAL LOUISIANA. COOL AND DRY THROUGH THE REST OF THE WEEK. .SPOTTER INFORMATION STATEMENT...
The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 5, 8:17 PM CDT | River Flood Warning | LCH | Allen | 4 days |
| Apr 6, 9:46 AM CDT | Marine Dense Fog Advisory | LCH | 3 hr | |
| Apr 6, 6:15 PM CDT | Marine Dense Fog Advisory | LCH | 8 hr |
Nearby
Flash Flood Watches in Louisiana, 2014Every flash flood watch in 2014
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.