Alert archive / Louisiana / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 6, NWS Lake Charles, LA
NWS Lake Charles, LA issued this severe thunderstorm warning at Mar 12, 2003, 2:50 PM CST for Rapides Parish, Louisiana. It was in force for 40 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Mar 12, 2003, 2:50 PM CST (20:50 UTC)
- Expired
- Mar 12, 2003, 3:30 PM CST
- In force
- 40 min
- Issued by
- NWS Lake Charles, LA
- Area
- Counties, with a storm outline in the text
County Rapides Parish, LA
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 12:00Z, 8.8 hours before the alert went out and 152 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
- 596 J/kg
- Mixed-layer CIN
- -142 J/kg
- Mixed-layer LCL
- 456 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 73 m²/s²
- 0-3 km storm-relative helicity
- 96 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
052 WUUS54 KLCH 122050 SVRLCH LAC079-122130- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LAKE CHARLES LA 249 PM CST WED MAR 12 2003 THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... RAPIDES PARISH IN CENTRAL LOUISIANA * UNTIL 330 PM CST * AT 243 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 3 MILES WEST OF ALEXANDRIA...MOVING NORTHEAST AT 20 MPH. * THIS STORM WILL BE NEAR... ALEXANDRIA BY 252 PM CST PINEVILLE BY 300 PM CST BALL BY 310 PM CST SEVERE THUNDERSTORMS PRODUCE WINDS IN EXCESS OF 60 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING AND TORRENTIAL RAIN. CALL 337-477-5285 TO REPORT SEVERE WEATHER TO THE WEATHER SERVICE. LAT...LON 3130 9264 3119 9248 3143 9219 3144 9240 $$
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 12, 12:45 PM CST, 2 hours 5 minutes earlier.
Area forecast discussion, Mar 12, 12:45 PM CST, 2 hours 5 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LAKE CHARLES LA 12:45 PM CST WED MAR 12 2003 .TONIGHT... A FEW EVENING SHOWERS OR THUNDERSTORMS ARE EXPECTED. OTHERWISE, THE OVERNIGHT MINIMUMS WILL BE RUNNING ABOUT 10 F DEGREES ABOVE THE BENCHMARK NORMALS. ALSO, FOG WILL BE A PROBLEM. THE MESO-ETA COMPUTES A COASTAL FRONT FORMING OVERNIGHT. ACCUMULATING GULF MOISTURE WILL SUSTAIN AREAS OF FOG OVER THE COASTAL MARSHES AND I-10 PRAIRIES, PATCHY FOG FURTHER NORTH OVER THE LAKES AND PINEY HILLS REGIONS. .THURSDAY... THE MESO-ETA MODEL DEPICTS THE COASTAL FRONT ADVANCING NORTH AND STALLING OVER THE PINEY HILLS AND LAKES REGIONS. THIS INTERFACE WILL PERSIST INTO THE AFTERNOON HOURS. MEANWHILE, THE AVN MODEL COMPUTES SIGNIFICANT KINEMATIC AND QUASI -GEOSTROPHIC OMEGAS OVER THE AFORMENTIONED INTERFACE. SHOWERS OR THUNDERSTORMS SEEM LIKELY. WITH PRECIPITABLE WATER AT 170 PERCENT OF NORMAL, I WILL INSERT RAIN HEAVY AT TIMES INTO PACKAGE. .THURSDAY NIGHT... SCATTERED EVENING SHOWERS OR THUNDERSTORMS ARE EXPECTED. OTHERWISE, PATCHY RADIATION FOG, DENSE AT TIMES, WILL BE A PROBLEM. .LCH...NONE. .PRELIMINARY NUMBERS... AEX 58/79/56/78/55/79 263330 BPT 62/77/60/79/59/80 263320 LCH 61/77/59/80/58/80 263320 LFT 60/77/59/78/57/79 263330 TRARES
Hazardous weather outlook, Mar 12, 4:00 AM CST, 10 hours 50 minutes before
LAZ027>033-041>045-051>055-TXZ180>182-201-215-216-131100- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LAKE CHARLES LA 400 AM CST WED MAR 12 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST TEXAS...CENTRAL... SOUTH-CENTRAL AND SOUTHWEST LOUISIANA. .DAY ONE...TODAY AND TONIGHT... A MOIST AND UNSTABLE AIRMASS...COMBINED WITH DAYTIME HEATING WILL PRODUCE SCATTERED MAINLY AFTERNOON SHOWERS AND THUNDERSTORMS. AT THIS TIME NO SEVERE WEATHER IS EXPECTED. LIGHT WINDS AND HIGH MOISTURE VALUES AT THE SURFACE WILL BRING THE CHANCE FOR FOG DURING THE OVERNIGHT. FOG MAY BECOME DENSE AT TIMES... ESPECIALLY NEAR THE COAST. .DAY TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY... NO SIGNIFICANT CHANGE IN THE WEATHER PATTERN IS EXPECTED THROUGH THE WEEKEND. THERE WILL BE A CHANCE OF MAINLY AFTERNOON SHOWERS AND THUNDERSTORMS THROUGHOUT THE PERIOD. RIVER FLOODING WILL CONTINUE AT SOME GAUGE SITES. THOSE WITH INTERESTS NEAR AREA RIVERS SHOULD MONITOR THE LATEST FLOOD STATEMENTS. .SPOTTER INFORMATION STATEMENT... STORM SPOTTER ACTIVATION IS NOT EXPECTED. RUA
The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 12, 3:32 PM CST | Severe Thunderstorm Warning | LCH | Rapides | 28 min |
| Mar 12, 5:31 PM CST | Severe Thunderstorm Warning | LCH | Avoyelles | 59 min |
Nearby
Severe Thunderstorm Warnings in Louisiana, 2003Every severe thunderstorm warning in 2003
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.