Alert archive / Louisiana / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 322, NWS Shreveport, LA
NWS Shreveport, LA issued this severe thunderstorm warning at Jul 9, 1996, 4:39 PM CDT for De Soto Parish, Louisiana. It was in force for 66 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
- Jul 9, 1996, 4:39 PM CDT (21:39 UTC)
- Expired
- Jul 9, 1996, 5:45 PM CDT
- In force
- 66 min
- Issued by
- NWS Shreveport, LA
- Area
- Whole counties
County De Soto Parish, LA
The radar
The Shreveport radar (KSHV), 45 km from the middle of the area, began a volume at 21:43 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.
The nearest sounding before it
Shreveport, LA (KSHV), launched 12:00Z, 9.7 hours before the alert went out and 47 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
- 2481 J/kg
- Mixed-layer CIN
- -36 J/kg
- Mixed-layer LCL
- 789 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- -65 m²/s²
- 0-3 km storm-relative helicity
- -52 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 Shreveport, LA wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 9, 3:42 PM CDT, 57 minutes earlier.
Area forecast discussion, Jul 9, 3:42 PM CDT, 57 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SHREVEPORT LA 330 PM CDT TUE JUL 9 1996 TSTMS FORMED RAPIDLY THIS AFTN IN VRY MOIST AND UNSTABLE AIR AS SHORT WAVE RODE UP WK FNTL BNDRY. ACTIVITY WILL SHIFT SLOWLY EAST TONIGHT. CHC FOR TSTMS APPEAR TO CONT THROUGH THE WEEK ACCORDING TO ETA/AVN. NGM KEEPS ACTIVITY FURTHER NORTH...BUT INITIALIZED BNDRY TOO FAR NORTH. ANOTHER VORT TO MV INTO NE TX WED MORNING WITH UNUSUAL MSTR FEED FROM WESTERN OK. AIR CONT TO BE UNSTABLE AS UPR FLOW VEERS TO WNW IN RESPONSE TO UPR HIGH IN NORTH GULF MOVING WEST INTO SOUTH TX COAST. ENERGY LATER IN PERIOD TO SPIN OFF SW TX VORT LOBE. CROSS SECTIONS REVEAL MODERATE VERTICAL MOTIONS THRU PERIOD AND CONT ON AVN THRU 72 HOURS. BEST MSTR AND ENERGY MAINLY TO NORTH AND WEST OF CWA SO WILL LEAVE CHC CAT. A SLGHT COOLDOWN ON DAYTIME HIGHS WITH MODIFIED CAN AIR AND INCREASED CLD CVR. WILL GO CLOSE TO NGM TEMPS EVEN THOUGH THEY ARE SHOWING A WARM BIAS IN COMP TO OTHER MODELS. SHV 72/89/70/91 6523 MLU 74/87/70/92 5623 VII
In the hours before
Local storm report, Jul 9, 11:12 AM CDT, 5 hours 27 minutes before
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</html>The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 8, 9:06 PM CDT | Severe Thunderstorm Warning | SHV | Bossier | 54 min |
| Jul 8, 9:22 PM CDT | Severe Thunderstorm Warning | SHV | Webster | 38 min |
| Jul 8, 9:54 PM CDT | Severe Thunderstorm Warning | SHV | Claiborne | 51 min |
| Jul 9, 2:48 PM CDT | Severe Thunderstorm Warning | SHV | Webster | 42 min |
| Jul 9, 5:35 PM CDT | Flash Flood Warning | SHV | Jackson, Lincoln, Ouachita, Union | 115 min |
| Jul 8, 7:06 PM CDT | Severe Thunderstorm Warning | SHV | Marion | 39 min |
| Jul 9, 3:01 PM CDT | Severe Thunderstorm Warning | SHV | San Augustine | 44 min |
| Jul 9, 4:17 PM CDT | Severe Thunderstorm Warning | SHV | Panola | 58 min |
| Jul 9, 5:31 PM CDT | Severe Thunderstorm Warning | SHV | Smith | 59 min |
| Jul 9, 2:01 PM CDT | Severe Thunderstorm Warning | SHV | Miller | 29 min |
Nearby
Severe Thunderstorm Warnings in Louisiana, 1996Every severe thunderstorm warning in 1996
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; radar from the NEXRAD Level II archive.