Alert archive / Louisiana / Flood Watches in 2008
Flood Watch 1, NWS Lake Charles, LA
NWS Lake Charles, LA issued this flood watch at Nov 11, 2008, 9:19 PM CST for 9 parishes in Louisiana; Hardin County, Tyler County, Texas. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Nov 11, 2008, 9:19 PM CST (03:19 UTC)
- Expired
- Nov 12, 2008, 9:42 AM CST
- In force
- 12 hr
- Issued by
- NWS Lake Charles, LA
- Flood severity
- None
Counties Allen Parish, LA, Avoyelles Parish, LA, Beauregard 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, Tyler County, TX
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 00:00Z, 3.3 hours before the alert went out and 73 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
- 278 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 894 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 128 m²/s²
- 0-3 km storm-relative helicity
- 150 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.2
What forecasters said that day
The local office's own words before this 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 flood watch went out at Nov 11, 3:35 PM CST, 5 hours 44 minutes earlier.
Area forecast discussion, Nov 11, 3:35 PM CST, 5 hours 44 minutes before
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</html>Hazardous weather outlook, Nov 11, 5:42 AM CST, 15 hours 37 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LAKE CHARLES LA 542 AM CST TUE NOV 11 2008 GMZ430-432-435-450-452-455-470-472-475-LAZ027>033-041>045-051>055- TXZ180>182-201-215-216-121145- 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 EXTENDING FROM 20 NM TO 60 NM- WATERS FROM INTRACOASTAL CITY, LA TO CAMERON, LA EXTENDING FROM 20 NM TO 60 NM- WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY, LA EXTENDING FROM 20 NM TO 60 NM-VERNON-RAPIDES-AVOYELLES-BEAUREGARD- ALLEN-EVANGELINE-ST. LANDRY-CALCASIEU-JEFFERSON DAVIS-ACADIA- LAFAYETTE-UPPER ST. MARTIN-CAMERON-VERMILION-IBERIA-ST. MARY- LOWER ST. MARTIN-TYLER-JASPER-NEWTON-HARDIN-JEFFERSON-ORANGE- 542 AM CST TUE NOV 11 2008 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 A SLIGHT RISK FOR SEVERE THUNDERSTORMS WEST OF A LINE FROM LAKE CHARLES TO LEESVILLE THROUGH TONIGHT. LARGE HAIL IS THE MAIN CONCERN AS AN UPPER LEVEL TROUGH OVER TEXAS APPROACHES. THERE IS A MARGINAL THREAT FOR ROTATIN THUNDERSTORMS DEPENDING ON HOW MUCH DAYTIME HEATING CAN DESTABILIZE THE ATMOSPHERE. ALTHOUGH THERE IS SUFFICIENT LOW LEVEL SHEAR BELOW 5K FEET, RAIN COOLED AIR SHOULD KEEP TEMPERATURES BELOW CONVECTIVE LEVELS. THE MAIN ISSUE TODAY SHOULD BE HEAVY RAINFALL FROM LUFKIN TO LEESVILLE. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY A SECONDARY LOW LIFTING OUT OF SOUTH TEXAS COASTAL AREA AND INTO OUR AREA WILL COMBINE WITH THE UPPER LEVEL TROF TO PRODUCE HEAVY RAINFALL INTO WEDNESDAY NIGHT. SHOWERS SHOULD TAPER OFF ON THURSDAY AS THE MAIN TROF AXIS MOVES SLOWLY EAST. TOTAL RAINFALL AMOUNTS SHOULD RANGE FROM AROUND AN INCH ALONG THE I-10 CORRIDOR TO UPWARDS OF 4 TO 6 INCHES IN THE LAKES AREA OF SOUTHEAST TEXAS AND CENTRAL LOUISIANA. FLOODING DOES NOT APPEAR TO BE A PROBLEM AS THE GROUND HAS BEEN VERY DRY SINCE IKE. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED THIS EVENING FOR A FEW EMBEDDED THUNDERSTORMS REACHING SEVERE LEVELS...MAINLY LARGE HAIL. SWEENEY
The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 12, 2:11 AM CST | Severe Thunderstorm Warning | LCH | Beauregard, Calcasieu | 49 min |
| Nov 12, 2:51 AM CST | Severe Thunderstorm Warning | LCH | Allen, Beauregard, Calcasieu, Jefferson Davis | 39 min |
| Nov 12, 3:32 AM CST | Severe Thunderstorm Warning | LCH | Calcasieu | 43 min |
| Nov 12, 4:04 AM CST | Areal Flood Advisory | LCH | Calcasieu | 3 hr |
| Nov 11, 11:27 PM CST | River Flood Warning | LCH | Hardin, Jefferson | 12 days |
| Nov 12, 1:17 AM CST | Severe Thunderstorm Warning | LCH | Hardin, Tyler | 28 min |
| Nov 12, 1:40 AM CST | Severe Thunderstorm Warning | LCH | Hardin, Jasper, Tyler | 35 min |
| Nov 12, 1:57 AM CST | Flash Flood Warning | LCH | Jasper, Tyler | 2 hr |
| Nov 12, 3:04 AM CST | Areal Flood Advisory | LCH | Jefferson, Orange | 3 hr |
| Nov 12, 9:53 AM CST | River Flood Warning | LCH | Jefferson | 24 hr |
Nearby
Flood Watches in Louisiana, 2008Flood Watches in Texas, 2008Every flood watch in 2008
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.