Alert archive / Louisiana / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 16, NWS Lake Charles, LA
NWS Lake Charles, LA issued this severe thunderstorm warning at Mar 11, 2000, 1:45 AM CST for Calcasieu Parish, Louisiana. It was in force for 60 min. 2 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Mar 11, 2000, 1:45 AM CST (07:45 UTC)
- Expired
- Mar 11, 2000, 2:45 AM CST
- In force
- 60 min
- Issued by
- NWS Lake Charles, LA
- Area
- Whole counties
County Calcasieu Parish, LA
The radar
The Lake Charles radar (KLCH), 18 km from the middle of the area, began a volume at 08:04 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 was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 11, 1:50 AM CST | Hail 0.88 | Sulphur, LA | |
| Mar 11, 2:10 AM CST | Hail 0.75 | Moss Bluff, LA |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 00:00Z, 7.8 hours before the alert went out and 19 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
- 1545 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 716 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 118 m²/s²
- 0-3 km storm-relative helicity
- 163 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 5.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KLCH 110748 SVRLCH LAC019-110845- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LAKE CHARLES LA 145 AM CST SAT MAR 11 2000 THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CALCASIEU PARISH IN SOUTHWEST LOUISIANA * UNTIL 245 AM CST * AT 144 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 10 MILES NORTHWEST OF SULPHUR...MOVING EAST AT 20 MPH. * THE STORM WILL BE NEAR: MOSS BLUFF BY 215 AM GILLIS BY 220 AM SEVERE THUNDERSTORMS PRODUCE WINDS IN EXCESS OF 60 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING AND TORRENTIAL RAIN. CALL 337-4:77-5285 TO REPORT SEVERE WEATHER TO THE WEATHER SERVICE.
What forecasters said that day
The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Mar 11, 12:15 AM CST, 1 hour 30 minutes earlier.
Area forecast discussion, Mar 11, 12:15 AM CST, 1 hour 30 minutes before
SOUTHEAST TEXAS AND SOUTHWEST LOUISIANA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LAKE CHARLES LA 1215 AM CST SAT MAR 11 2000 THUNDERSTORM ACTIVITY QUICKLY LOOSING ITS PUNCH THIS MORNING ACROSS FORECAST AREA WITH REMNANTS OF SQUALL LINE NOW PUSHING INTO SOUTH- CENTRAL LOUISIANA. PER 07Z SURFACE ANALYSIS...SURFACE FRONT LOCATED NEAR A KSHV...KLFK...KCLL LINE WITH SCATTERED SHOWERS AND A FEW THUNDERSTORMS LOCATED ALONG AND AHEAD OF THIS FRONT. TODAY...PRECIPITATION WILL EXIT FORECAST AREA BY 14Z WITH COLD FRONT USHERING IN A COLDER AND MUCH DRIER AIR MASS. TIGHTENING PRESSURE GRADIENT ACROSS REGION WILL RESULT IN GUSTY NORTHERLY WINDS OF 15 TO 20 MPH. MOSTLY CLOUDY SKIES WILL GIVE WAY TO MOSTLY SUNNY SKIES BY AFTERNOON AS DRIER AIR SPREADS SOUTHEAST ACROSS FORECAST AREA. TONIGHT...WINDS WILL RELAX IN RESPONSE TO APPROACH OF SURFACE HIGH PRESSURE IN CONJUNCTION WITH RELAXATION OF PRESSURE GRADIENT. MINIMUM TEMPERATURES WILL BE COLDEST IN QUITE SOME TIME WITH TEMPERATURES LOWERING INTO THE UPPER 30S NORTHERN SECTIONS TO MID 40S ALONG THE COAST. SUNDAY...HIGH PRESSURE WILL RESULT IN MOSTLY SUNNY SKIES WITH TEMPERATURES ONLY CLIMBING INTO THE 60S. EXTENDED...TEMPERATURES WILL MODERATE EACH DAY WITH POSSIBLE OVERRUNNING PRECIPITATION EVENT DEVELOPING TUE INTO WED IN RESPONSE TO WARM FRONT RETREATING NORTH. .LCH...SMALL CRAFT ADVISORY ATCHAFALAYA RIVER LOUISIANA TO HIGH ISLAND TEXAS LA...SCA GMZ450-455-470-475 TX...SCA GMZ450-470 9 .PRELIM NUMBERS... BPT 65/43/66/44 0000 LCH 63/40/66/42 0000 LFT 61/40/64/42 2000 AEX 59/38/62/40 0000
In the hours before
Special weather statement, Mar 10, 8:30 PM CST, 5 hours 15 minutes before
LAZ027>033-041>045-051>055-TXZ180>182-201-215-216-110430- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LAKE CHARLES LA 830 PM CST FRI MAR 10 2000 ...MORE THAN 21000 LIGHTNING STRIKES HAVE OCCURRED ACROSS EAST TEXAS... LOUISIANA AND EXTREME SOUTHWEST MISSISSIPPI OVER THE PAST SEVEN HOURS... THUNDERSTORMS WHICH ARE CURRENTLY MOVING THROUGH THE THREE STATES HAVE PRODUCED A VERY HIGH NUMBER OF LIGHTNING STRIKES ESPECIALLY WITH SEVERE THUNDERSTORMS. LIGHTNING WILL CONTINUE TO OCCUR OVER THESE SAME AREAS THROUGHOUT THE NIGHT WITH SOME SEVERE STORMS PRODUCING SMALL AREAS OF NUMEROUS AND INTENSE STRIKES. THE THUNDERSTORM ACTIVITY IS IN RESPONSE TO A STRONG UPPER LEVEL DISTURBANCE AND AN ASSOCIATED COLD FRONT THAT IS MOVING ACROSS THE REGION TONIGHT. LIGHTNING CAN STRIKE AS MUCH AS 15 MILES AWAY FROM A THUNDERSTORM. IF A THUNDERSTORM IS APPROACHING AND YOU ARE CAUGHT OUTSIDE...SEEK SHELTER INSIDE A STURDY HOME. IF SHELTER CAN NOT BE FOUND...CROUCH DOWN WITH THE LEAST AMOUNT OF YOUR BODY TOUCHING THE GROUND. DO NOT USE PHONES WITH CORDS AS LIGHTNING WILL MOVE THROUGH THE PHONE CORD AND CAUSE SERIOUS INJURY OR DEATH TO THE USER. CORDLESS PHONES MAY BE USED IF CALLS ARE NECESSARY. DO NOT BATHE UNTIL THE STORM HAS WELL PASSED. T.ERICKSON
The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 10, 6:30 PM CST | Severe Thunderstorm Warning | LCH | Saint Landry | 60 min |
| Mar 10, 6:42 PM CST | Severe Thunderstorm Warning | LCH | Vernon | 63 min |
Nearby
Severe Thunderstorm Warnings in Louisiana, 2000Every severe thunderstorm warning in 2000
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.