Alert archive / Louisiana / Flash Flood Warnings in 1987
Flash Flood Warning 6, NWS Lake Charles, LA
NWS Lake Charles, LA issued this flash flood warning at Nov 16, 1987, 12:00 PM CST for Grant Parish, LaSalle Parish, Rapides Parish, Louisiana. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Nov 16, 1987, 12:00 PM CST (18:00 UTC)
- Expired
- Nov 16, 1987, 4:00 PM CST
- In force
- 4 hr
- Issued by
- NWS Lake Charles, LA
- Area
- Whole counties
Counties Grant Parish, LA, LaSalle Parish, LA, Rapides Parish, LA
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 12:00Z, 6.0 hours before the alert went out and 170 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
- 1739 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 554 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 323 m²/s²
- 0-3 km storm-relative helicity
- 366 m²/s²
- Significant tornado parameter
- 2.4
- Supercell composite
- 12.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Nov 16, 6:37 AM CST, 5 hours 23 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE LAKE CHARLES LA 632 AM CST MON NOV 16 1987 ...A FLASH FLOOD WATCH IS IN EFFECT FOR SOUTHWEST AND CENTRAL LOUISIANA TODAY... AT 625 AM...WIDESPREAD RAIN AND THUNDERSTORMS COVERED MOST OF CENTRAL ...NORTHWEST...AND WEST LOUISIANA INTO EAST AND SOUTHEAST TEXAS. CLUSTERS OF THUNDERSTORMS MIXED IN THE RAIN WERE INDICATED ACROSS VERNON AND RAPIDES PARISH...WEST OF KIRBYVILLE TEXAS...AND FROM HOUSTON ACROSS FREEPORT AND GALVESTON. THE RAIN AND THUNDERSTORMS FROM VERNON TO RAPIDES PARISH HAVE ALREADY PRODUCED SOME REPORTED FLOODING OF STREETS AND LOW LYING AREAS. THESE RAINS WILL CONTINUE THROUGHOUT THE MORNING. THE THUNDERSTORMS WERE MOVING NORTHEAST AT 40 MPH.
Special weather statement, Nov 16, 7:37 AM CST, 4 hours 23 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PORT ARTHUR TX 730AM CST MON NOV 16 1987 ...VERY HEAVY THUNDERSTORMS MOVING INTO JEFFERSON COUNTY... WEATHER RADAR SHOWS AN AREA OF VERY HEAVY THUNDERSTORMS MOVING INTO JEFFERSON COUNTY TEXAS FROM HOUSTON. THESE STORMS EARLIER PRODUCED SOME DAMAGING WINDS NEAR ALVIN. THE STORMS WERE MOVING NORTHEAST AT ABOUT 35 MPH. GUSTY WINDS AND A HEAVY DOWNPOUR SHOULD BE EXPECTED WITH THESE STORMS. DURING THE PAST 24 HOURS 2 TO 4 INCHES OF RAIN HAVE FALLEN ACROSS THE METROPOLITAN AREA. FURTHER NORTH AROUND THE LAKES AREA AMOUNTS WERE IN THE 4 TO 6 INCH RANGE. DUE TO THE LACK OF RAIN FOR THE LAST SEVERAL WEEKS LOCAL RIVERS AND STREAMS HAVE PLENTY OF CAPACITY.. HOWEVER LOCAL URBAN FLOODING AND PONDING PROBLEMS COULD OCCUR WITH THE HEAVIEST STORMS.
Special weather statement, Nov 16, 8:45 AM CST, 3 hours 15 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PORT ARTHUR TX 845AM CST MON NOV 16 1987 WEATHER RADARS SHOW VERY HEAVY THUNDERSTORMS OVER PARTS OF SOUTHEAST TEXAS. THE STORMS WERE LOCATED TO THE NORTH AND WEST OF THE METROPOLITAN AREA. THE STORMS COVERED MUCH OF HARDIN COUNTY AND SOUTHERN JASPER COUNTY. THE STORMS WERE MOVING TO THE NORTHEAST AT 35 MPH. HEAVY RAINS AND GUSTY WINDS WILL ACCOMPANY THESE STORMS. ADDITIONAL STORMS WERE LkOCATED NORTH AND WEST OF HOUSTON. THESE STORMS MAY AFFECT OUR AREA LATER THIS MORNING.
Special weather statement, Nov 16, 9:46 AM CST, 2 hours 14 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PORT ARTHUR TX 940AM CST MON NOV 16 1987 .....BEACH ROAD CLOSED BETWEEN SABINE PASS AND HIGH ISLAND... THE TEXAS DEPARTMENT OF HIGHWAYS HAS CLOSED TEXAS 87 BETWEEN SABINE PASS AND HIGH ISLAND. HIGH TIDES HAVE COVERED THE ROAD. THE NEXT HIGH TIDE WILL BE SHORTLY BEFORE NOON. STRONG WINDS WILL CONTINUE TO PUSH WATER OVER THE ROAD UNTIL THE COLD FRONT MOVES THROUGH THE AREA AND SHIFTS THE WIND TO THE NORTH LATER THIS AFTERNOON.
The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 15, 7:50 PM CST | Severe Thunderstorm Warning | LCH | Calcasieu | 55 min |
| Nov 15, 8:08 PM CST | Tornado Warning | LCH | Calcasieu | 52 min |
| Nov 15, 8:44 PM CST | Severe Thunderstorm Warning | LCH | Allen | 46 min |
| Nov 15, 9:49 PM CST | Tornado Warning | LCH | Beauregard | 56 min |
| Nov 16, 2:57 AM CST | Severe Thunderstorm Warning | LCH | Beauregard, Calcasieu | 63 min |
| Nov 16, 4:00 AM CST | Severe Thunderstorm Warning | LCH | Beauregard, Calcasieu | 60 min |
| Nov 16, 4:00 AM CST | Severe Thunderstorm Warning | LCH | Allen | 60 min |
| Nov 16, 7:00 AM CST | Flash Flood Warning | LCH | Grant, LaSalle, Rapides | 2 hr |
| Nov 16, 9:08 AM CST | Flash Flood Warning | LCH | Grant, LaSalle, Rapides | 3 hr |
| Nov 16, 10:34 AM CST | Severe Thunderstorm Warning | LCH | Beauregard, Vernon | 56 min |
| Nov 16, 10:34 AM CST | Severe Thunderstorm Warning | LCH | Calcasieu, Cameron | 56 min |
| Nov 16, 11:02 AM CST | Severe Thunderstorm Warning | LCH | Allen, Rapides | 58 min |
| Nov 16, 11:02 AM CST | Severe Thunderstorm Warning | LCH | Jefferson Davis | 58 min |
| Nov 16, 11:38 AM CST | Severe Thunderstorm Warning | LCH | Acadia, Lafayette, Vermilion | 2 hr |
| Nov 16, 11:38 AM CST | Severe Thunderstorm Warning | LCH | Evangeline | 2 hr |
| Nov 16, 12:17 PM CST | Tornado Warning | LCH | Acadia, Jefferson Davis | 43 min |
| Nov 16, 12:45 PM CST | Tornado Warning | LCH | Rapides | 60 min |
Nearby
Flash Flood Warnings in Louisiana, 1987Every flash flood warning in 1987
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.