Alert archive / Louisiana / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 35, NWS Lake Charles, LA
NWS Lake Charles, LA issued this severe thunderstorm warning at Mar 14, 2001, 7:55 PM CST for Lafayette Parish, Vermilion Parish, Louisiana. It was in force for 50 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 14, 2001, 7:55 PM CST (01:55 UTC)
- Expired
- Mar 14, 2001, 8:45 PM CST
- In force
- 50 min
- Issued by
- NWS Lake Charles, LA
- Area
- Whole counties
Counties Lafayette Parish, LA, Vermilion Parish, LA
The radar
The Lake Charles radar (KLCH), 100 km from the middle of the area, began a volume at 01:56 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 14, 7:57 PM CST | Thunderstorm Wind | Kaplan, LA | |
| Mar 14, 8:04 PM CST | Thunderstorm Wind | Forked Is, 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 14, 5:45 PM CST | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 00:00Z, 1.9 hours before the alert went out and 99 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 792 m above ground
- 0-6 km bulk shear
- 101 kt
- 0-1 km storm-relative helicity
- 422 m²/s²
- 0-3 km storm-relative helicity
- 1124 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.5
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 Mar 14, 5:50 PM CST, 2 hours 5 minutes earlier.
Area forecast discussion, Mar 14, 5:50 PM CST, 2 hours 5 minutes before
SOUTHEAST TEXAS AND SOUTHWEST LOUISIANA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LAKE CHARLES LA 550 PM CST WED MAR 14 2001 WILL SHORTLY BE UPDATING ZONES FOR TORNADO WATCH 64...REPLACING SEVERE THUNDERSTORM WATCH 63. RATHER BUSY THIS AFTERNOON. LCH 88D SHOWING WIDESPREAD SHOWERS AND THUNDERSTORMS NOW OVER THE COASTAL WATERS TRACKING NORTHEAST. A FEW CELLS APPROACHING SEVERE LIMITS. SPC SUGGESTING WATCH MAY BE UPCOMING AS UPPER TROUGH ADVANCES INTO REGION. WILL CONTINUE TO MENTION SEVERE STORMS POSSIBLE IN THIS EVENINGS FORECAST AS UPPER TROUGH MOVES INTO EAST TEXAS WITH STRONG DIVERGENCE INDICATED BY MODELS. 0-3 KM HELICITY VALUES EXCEPTIONALLY HIGH WITH MESO ETA SHOWING 1371 M2/S2 AT LCH AT 00Z. THIS A RESULT OF EASTERLY SURFACE WINDS...VEERING TO THE SOUTH AT 8H WHILE INCREASING TO 50 TO 60 KT...BECOMING NEAR WEST AT 7H. LIMITING FACTOR TO SEVERE CONTINUES TO BE THE ABSENCE OF SURFACE BASED MOISTURE...WITH DEW POINTS GENERALLY IN THE LOW TO MID 50S ACROSS THE REGION. BELIEVE HOWEVER...EVEN WITHOUT THIS IN PLACE... DYNAMICS WILL STILL BE SUFFICIENT TO SEE A FEW STORMS REACH SEVERE LIMITS. MODELS GENERALLY IN AGREEMENT IN TRACKING STRENGTHENING SURFACE LOW NOW OVER SOUTH TEXAS NORTHEAST TO SOUTH CENTRAL GULF COAST THIS EVENING. ANY NORTHWARD DEVIATION AND RESULTING INCREASED SURFACE MOISTURE FROM FORECAST TRACK HOWEVER...COULD BE SUFFICIENT TO BRING A SUBSTANTIAL OUTBREAK OF SEVERE THUNDERSTORMS. NOW AWAY FROM THE DOOM AND GLOOM. HIGH PRESSURE WILL FOLLOW THIS SYSTEM INTO THE REGION...BRINGING SEASONABLY WARM TEMPERATURES THURSDAY...COOLING THURSDAY NIGHT THROUGH FRIDAY AS THE HIGH PLOWS FURTHER INTO THE REGION. RAIN CHANCES RETURN FOR THE WEEKEND AS A CLOSED LOW DEVELOPS OVER THE NW CONUS AND DROPS SOUTHEAST. .LCH...TORNADO WATCH...TXZ182-215-216...LAZ027>033-041>045-051>055 .PRELIMINARY NUMBERS... AEX 48/68/43/61/41 +0000 BPT 53/74/44/61/45 +0000 LCH 52/75/43/63/43 +0000 LFT 55/74/44/62/45 +0000 MARCOTTE
In the hours before
Special weather statement, Mar 14, 6:40 PM CST, 1 hour 15 minutes before
LAZ027>033-041>045-051>055-TXZ180>182-201-215-216-150200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LAKE CHARLES LA 640 PM CST WED MAR 14 2001 ...A TORNADO WATCH FOR NEWTON...ORANGE...AND JEFFERSON COUNTIES IN SOUTHEAST TEXAS HAS BEEN CANCELLED... A LINE OF SEVERE THUNDERSTORMS HAS MOVED EAST INTO SOUTHWEST LOUISIANA. THE LINE WAS MOVING EAST TO NORTHEAST AT 60 MPH. THE THREAT OF SEVERE WEATHER HAS ENDED OVER SOUTHEAST TEXAS AS THE UPPER LEVEL SUPPORT AND THE INSTABILITY HAS ALL MOVED EAST OF SOUTHEAST TEXAS. STAY TUNED TO NOAA WEATHER RADIO FOR THE LATEST INFORMATION ON THIS SYSTEM.
Local storm report, Mar 14, 6:43 PM CST, 1 hour 12 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES, LA
643 PM CST WED MAR 14 2001
TIME(CST) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0545 PM SABINE PASS TX 72 MPH TSTM WIND GUST
03/14/01 JEFFERSON REPORTED BY SAWRS WEATHER
OBSERVER.The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 14, 8:11 PM CST | Tornado Warning | LCH | Iberia, Vermilion | 34 min |
Nearby
Severe Thunderstorm Warnings in Louisiana, 2001Every severe thunderstorm warning in 2001
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.