Alert archive / Texas / Flash Flood Watches in 2015
Flash Flood Watch 4, NWS Lake Charles, LA
NWS Lake Charles, LA issued this flash flood watch at Mar 21, 2015, 4:13 PM CDT for Rapides Parish, Vernon Parish, Louisiana; 4 counties in Texas. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Mar 21, 2015, 4:13 PM CDT (21:13 UTC)
- Expired
- Mar 21, 2015, 9:37 PM CDT
- In force
- 5 hr
- Issued by
- NWS Lake Charles, LA
Counties Rapides Parish, LA, Vernon Parish, LA, Hardin County, TX, Jasper County, TX, Newton County, TX, Tyler County, TX
The radar
The Ft Polk radar (KPOE), 79 km from the middle of the area, began a volume at 21:15 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 92 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
- 173 J/kg
- Mixed-layer CIN
- -23 J/kg
- Mixed-layer LCL
- 533 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 82 m²/s²
- 0-3 km storm-relative helicity
- 138 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
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 Mar 21, 3:51 PM CDT, 22 minutes earlier.
Area forecast discussion, Mar 21, 3:51 PM CDT, 22 minutes before
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</html>Hazardous weather outlook, Mar 21, 5:03 AM CDT, 11 hours 10 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LAKE CHARLES LA 503 AM CDT SAT MAR 21 2015 LAZ027>033-041>045-052>055-073-074-TXZ180-201-215-216-259>262- 221015- 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- 503 AM CDT SAT MAR 21 2015 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 THE COMBINATION OF A SURFACE BOUNDARY AND GULF MOISTURE TODAY WILL SUPPORT SHOWER AND THUNDERSTORM DEVELOPMENT. RAINS WILL BE HEAVY AT TIMES. AS THE GROUND IS SATURATED FROM RECENT RAINS...THIS LATEST RAINFALL IS EXPECTED TO ENHANCE THE CHANCE FOR FLOODING IN THE LAKES REGION OF SOUTHEAST TEXAS AND INTO CENTRAL LOUISIANA TODAY. RAINS WILL CONTINUE INTO THE OVERNIGHT HOURS. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY RAINS ENDING SUNDAY EVENING AS THE WEAK FRONTAL BOUNDARY PUSHES OFF TO THE EAST AND DRIER AIR BECOMES ESTABLISHED BY EARLY MONDAY MORNING. .SPOTTER INFORMATION STATEMENT... GMZ430-432-435-450-452-455-470-472-475-221015- 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- 503 AM CDT SAT MAR 21 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF THE NORTHWEST GULF OF MEXICO. .DAY ONE...TODAY AND TONIGHT PATCHY FOG OVER THE GULF IS EXPECTED TO CONTINUE THROUGH THE LATE MORNING HOURS. CHANCE FOR SHOWERS AND THUNDERSTORMS TODAY. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY NEXT FRONT LOOKS TO MOVE THROUGH BY FRIDAY MORNING WITH WINDS AND SEAS INCREASING. .SPOTTER INFORMATION STATEMENT...
In the hours before
Local storm report, Mar 21, 10:58 AM CDT, 5 hours 15 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1058 AM CDT SAT MAR 21 2015
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1035 AM FLASH FLOOD PORT NECHES 29.97N 93.94W
03/21/2015 JEFFERSON TX PUBLIC
PUBLIC REPORTED WATER ACROSS HIGHWAY 365 AND JIMMY
JOHNSON BOULEVARD.
&&
TWHLocal storm report, Mar 21, 11:56 AM CDT, 4 hours 17 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1156 AM CDT SAT MAR 21 2015
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1140 AM FLASH FLOOD VINTON 30.20N 93.58W
03/21/2015 CALCASIEU LA PUBLIC
WATER REPORTED OVER SEVERAL ROADS IN VINTON
INCLUDING...SITTER ST...EDDY ST...LYONS ST...AND AN
ESIMATED 6 INCHES OF WATER OVER GOODWIN ST
&&
TWHLocal storm report, Mar 21, 1:38 PM CDT, 2 hours 35 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
138 PM CDT SAT MAR 21 2015
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0137 PM FLASH FLOOD BRIDGE CITY 30.03N 93.85W
03/21/2015 ORANGE TX PUBLIC
SEVERAL ROADS FLOODED.
&&Local storm report, Mar 21, 1:39 PM CDT, 2 hours 34 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
139 PM CDT SAT MAR 21 2015
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0138 PM FLASH FLOOD PORT NECHES 29.97N 93.94W
03/21/2015 JEFFERSON TX PUBLIC
NUMEROUS REPORTS OF STALLED VEHICLES DUE TO FLOODING.
NALL STREET HAS BEEN CLOSED.
&&The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 20, 10:25 PM CDT | Flash Flood Watch | LCH | Rapides, Vernon | 18 hr |
| Mar 20, 11:37 PM CDT | Areal Flood Advisory | LCH | Rapides, Vernon | 3 hr |
| Mar 21, 11:06 AM CDT | Areal Flood Advisory | LCH | Calcasieu, Cameron | 114 min |
| Mar 21, 12:32 PM CDT | Flash Flood Warning | LCH | Calcasieu | 88 min |
| Mar 21, 2:02 PM CDT | Flash Flood Warning | LCH | Calcasieu | 3 hr |
| Mar 21, 2:58 PM CDT | River Flood Watch | LCH | Saint Martin | 18 days |
| Mar 20, 9:39 PM CDT | Areal Flood Advisory | LCH | Jasper, Newton, Tyler | 3 hr |
| Mar 21, 10:13 AM CDT | Areal Flood Advisory | LCH | Jefferson | 2 hr |
| Mar 21, 10:56 AM CDT | Flash Flood Warning | LCH | Jefferson | 109 min |
| Mar 21, 12:48 PM CDT | Flash Flood Warning | LCH | Jefferson | 3 hr |
| Mar 21, 3:48 PM CDT | Flash Flood Warning | LCH | Jefferson | 117 min |
| Mar 21, 4:05 PM CDT | River Flood Watch | LCH | 10 days |
Nearby
Flash Flood Watches in Texas, 2015Flash Flood Watches in Louisiana, 2015Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.