Alert archive / Louisiana / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 121, NWS Shreveport, LA
NWS Shreveport, LA issued this severe thunderstorm warning at Apr 2, 2000, 3:39 AM CDT for Bienville 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
- Apr 2, 2000, 3:39 AM CDT (08:39 UTC)
- Expired
- Apr 2, 2000, 4:45 AM CDT
- In force
- 66 min
- Issued by
- NWS Shreveport, LA
- Area
- Whole counties
County Bienville Parish, LA
The radar
The Shreveport radar (KSHV), 75 km from the middle of the area, began a volume at 08:39 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 2, 1:30 AM CST | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Shreveport, LA (KSHV), launched 00:00Z, 8.7 hours before the alert went out and 67 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
- 330 J/kg
- Mixed-layer CIN
- -110 J/kg
- Mixed-layer LCL
- 439 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 467 m²/s²
- 0-3 km storm-relative helicity
- 481 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 16.0
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 Apr 1, 8:46 PM CST, 5 hours 53 minutes earlier.
Area forecast discussion, Apr 1, 8:46 PM CST, 5 hours 53 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SHREVEPORT LA 846 PM CST SAT APR 1 2000 FRONTAL BOUNDARY EXTENDS FROM NEAR LIT TO BETWEEN TXK AND SHV TO BETWEEN AUS AND CLL. FRONT SHOULD MOVE SLOWLY SOUTH TONIGHT OVER THE WEST AND REMAIN ABOUT STATIONARY OVER THE NORTHEAST SECTIONS. THUNDERSTORMS AT PRESENT TIME ARE OVER THE NORTH AND CENTRAL SECTIONS AND MOVING NORTHEAST...WITH MOST OF THE STORMS ALONG AND NORTH OF THE BOUNDARY...IN THE AREA OF BEST ISENTROPIC LIFT. MORE STORMS ARE DEVELOPING OVER SOUTH AND CENTRAL TX AHEAD OF THE NEXT VORT MAX MOVES NORTHEAST. WILL ADD HEAVY RAIN AND AND SEVERE TO THE NORTHERN SECTIONS AND ADJUST TEMP A TAD IN A FEW PLACES. .SHV...NONE. IV
In the hours before
Local storm report, Apr 2, 3:17 AM CDT, 22 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
317 AM CDT SUN APR 02 2000
TIME(CST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....PARISH/COUNTY LOCATION....
0108 AM HUNTINGTON TX .75 INCH HAIL
04/02/00 ANGELINA HAIL THE SIZE OF DIMES
FROM LAW ENFORCEMENT
0154 AM NEUVILLE TX 1 INCH HAIL
04/02/00 SHELBY FROM LAW ENFORCEMENT
NNNNThe office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 1, 7:50 PM CST | Severe Thunderstorm Warning | SHV | De Soto | 55 min |
| Apr 1, 8:11 PM CST | Severe Thunderstorm Warning | SHV | Bienville | 64 min |
| Apr 2, 3:30 AM CDT | Severe Thunderstorm Warning | SHV | Red River | 45 min |
| Apr 2, 4:31 AM CDT | Severe Thunderstorm Warning | SHV | Jackson, Lincoln | 44 min |
| Apr 2, 4:00 PM CDT | Severe Thunderstorm Warning | SHV | Jackson | 45 min |
Nearby
Severe Thunderstorm Warnings in Louisiana, 2000Every severe thunderstorm warning in 2000
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.