Alert archive / Louisiana / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 144, NWS New Orleans, LA
NWS New Orleans, LA issued this severe thunderstorm warning at Aug 10, 2001, 4:47 PM CDT for Ascension Parish, Livingston Parish, Louisiana. It was in force for 58 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
- Aug 10, 2001, 4:47 PM CDT (21:47 UTC)
- Expired
- Aug 10, 2001, 5:45 PM CDT
- In force
- 58 min
- Issued by
- NWS New Orleans, LA
- Area
- Whole counties
Counties Ascension Parish, LA, Livingston Parish, LA
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 9.8 hours before the alert went out and 108 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
- 6625 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 4 m²/s²
- 0-3 km storm-relative helicity
- 24 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS New Orleans, LA wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 10, 2:15 PM CDT, 2 hours 32 minutes earlier.
Area forecast discussion, Aug 10, 2:15 PM CDT, 2 hours 32 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NEW ORLEANS/BATON ROUGE LA 215 PM CDT FRI AUG 10 2001 MESO-ETA APPEARS TO HAVE A BETTER GRASP OF THE DEVELOPING SYNOPTIC PATTERN. INITIAL S/W TROF MOVING SLOWLY SWD INTO NRN LA/NRN MS THIS AFTN ACCOMPANED BY NUMEROUS SHOWERS/TSTMS AND LOCALLY HEAVY RAIN WILL CONTINUE SWD TONIGHT AND SAT TO BE FOLLOWED BY ANOTHER WEAK S/W TROF LATE SAT NIGHT AND SUN. PWS OF 2 INCHES OR GREATER WILL CONTINUE WITH MEAN RHS WELL ABOVE 70 PCT. A WEAK SURFACE LOW PRESSURE TROUGH WILL LIKELY MOVE SWD INTO THE CENTRAL COAST REGION APPROACHING THE COAST BY LATE MON AND MON NIGHT. THUS THE DYNAMICS APPEAR TO BE COMING TOGETHER FOR ANOTHER WET SPELL FOR THE CWA. SOME LOCALLY HEAVY RAIN IS POSSIBLE OVER THE NEXT 3 OR 4 DAYS. MCB 72/90/72/89 4646 BTR 75/90/75/91 4535 MSY 76/90/75/90 3535 GPT 74/88/74/87 4636 .NEW...NONE LA...NONE. MS...NONE. 05
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; the sounding from the Mesonet's radiosonde archive.