Alert archive / Louisiana / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 109, NWS Lake Charles, LA

December 3, 1997Rapides Parish, Louisiana

NWS Lake Charles, LA issued this severe thunderstorm warning at Dec 3, 1997, 5:52 AM CST for Rapides Parish, Louisiana. It was in force for 68 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Dec 3, 1997, 5:52 AM CST (11:52 UTC)
Expired
Dec 3, 1997, 7:00 AM CST
In force
68 min
Issued by
NWS Lake Charles, LA
Area
Whole counties

County Rapides Parish, LA

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 11.9 hours before the alert went out and 136 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.

Skew-T log-pSkew-T log-p diagram, Lake Charles Mun, LA at 00:00Z on 1997-12-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lake Charles Mun, LA at 00:00Z on 1997-12-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 178 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
840 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
178 m²/s²
0-3 km storm-relative helicity
200 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

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 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 Dec 3, 2:34 AM CST, 3 hours 18 minutes earlier.

Area forecast discussion, Dec 3, 2:34 AM CST, 3 hours 18 minutes before
SOUTHWEST...CENTRAL LOUISIANA AND SOUTHEAST TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
232 AM CST WED DEC 3 1997

08Z ANALYSIS SHOWS CD FNT THRU CLL AND ELD. ETA PROGS CD FNT INTO
CEN AND S CEN LA ARND NOON. NGM MOS SHOWS CLRNG IN SE TX THIS
AFTERNOON. ETA A BIT MORE CONSERVATIVE ON CLDNS FOR S CEN LA...
KEEPING OVERRUNNING CLDS IN LFT TIL MIDNITE. STAYED CLOSE TO MOS
POPS BUT BLV MOS UNDERPLAYING COLD AIR SO WENT WITH ONLY A SLT RISE
IN MORNING TEMPS DUE TO FRONTAL TIMING AND CLOUDS. EARLY MORNING
TSTMS PSBL DUE TO FAVORABLE RIGHT REAR QUAD OF H2 AND H3 JETSTREAK
AND STG UVV SEEN ON ETA X-SEC. LDS SHOWING LTNG ACTIVITY FM HOU
WEST. TWEAKED LOWS HIR DUE TO WINDS TNITE. KEPT THURS TEMPS A CAT
LWR DUE TO WK CAA.
11

BPT 67/48/59 400            LCH 66/50/58 400
LFT 70/51/58 500            AEX 62/47/58 400

The office that day

Everything else NWS Lake Charles, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 3, 5:26 AM CSTSevere Thunderstorm WarningLCHCalcasieu64 min
Dec 3, 5:57 AM CSTTornado WarningLCHCalcasieu33 min
Dec 3, 6:40 AM CSTSevere Thunderstorm WarningLCHCalcasieu, Cameron35 min
Dec 3, 4:23 AM CSTSevere Thunderstorm WarningLCHJefferson67 min
Dec 3, 5:03 AM CSTSevere Thunderstorm WarningLCHOrange42 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 1997Every severe thunderstorm warning in 1997

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.