Alert archive / Louisiana / Tornado Watches in 2001
Tornado Watch 836
The Storm Prediction Center issued this tornado watch at Nov 28, 2001, 2:45 PM CST for 4 counties in Arkansas; 30 parishes in Louisiana; 19 counties in Mississippi. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Nov 28, 2001, 2:45 PM CST (20:45 UTC)
- Expired
- Nov 28, 2001, 8:00 PM CST
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 53 counties
Ashley County, AR, Chicot County, AR, Desha County, AR, Drew County, AR, Acadia Parish, LA, Allen Parish, LA, Avoyelles Parish, LA, Beauregard Parish, LA, Calcasieu Parish, LA, Caldwell Parish, LA, Cameron Parish, LA, Catahoula Parish, LA, Concordia Parish, LA, East Carroll Parish, LA, Evangeline Parish, LA, Franklin Parish, LA, Grant Parish, LA, Iberia Parish, LA, Jefferson Davis Parish, LA, Lafayette Parish, LA, LaSalle Parish, LA, Madison Parish, LA, Morehouse Parish, LA, Ouachita Parish, LA, Pointe Coupee Parish, LA, Rapides Parish, LA, Richland Parish, LA, Saint Landry Parish, LA, Saint Martin Parish, LA, Tensas Parish, LA, Vermilion Parish, LA, West Carroll Parish, LA, West Feliciana Parish, LA, Winn Parish, LA, Adams County, MS, Bolivar County, MS, Carroll County, MS, Claiborne County, MS, Franklin County, MS, Grenada County, MS, Hinds County, MS, Holmes County, MS, Humphreys County, MS, Issaquena County, MS, Jefferson County, MS, Leflore County, MS, Montgomery County, MS, Sharkey County, MS, Sunflower County, MS, Warren County, MS, Washington County, MS, Wilkinson County, MS, Yazoo County, MS
The radar
The Ft Polk radar (KPOE), 75 km from the middle of the area, began a volume at 20:45 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.
Warnings issued inside it
6 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 28, 3:10 PM CST | Severe Thunderstorm Warning | LCH | Calcasieu | 65 min |
| Nov 28, 3:53 PM CST | Severe Thunderstorm Warning | LCH | Allen, Jefferson Davis | 67 min |
| Nov 28, 4:54 PM CST | Severe Thunderstorm Warning | LCH | Rapides | 66 min |
| Nov 28, 5:28 PM CST | Severe Thunderstorm Warning | LCH | Beauregard | 62 min |
| Nov 28, 6:10 PM CST | Flash Flood Warning | LZK | Arkansas, Desha, Drew | 3 hr |
| Nov 28, 7:46 PM CST | Severe Thunderstorm Warning | LCH | Allen | 44 min |
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 12:00Z, 8.8 hours before the alert went out and 158 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
- 1980 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 487 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- 199 m²/s²
- 0-3 km storm-relative helicity
- 237 m²/s²
- Significant tornado parameter
- 2.9
- Supercell composite
- 10.6
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 27, 8:30 PM CST | Tornado Watch | SPC | Calcasieu, Cameron | 5 hr |
| Nov 28, 11:00 AM CST | Tornado Watch | SPC | Acadia, Allen, Ascension, Avoyelles, Beauregard, Calcasieu and 24 more | 5 hr |
Nearby
Tornado Watches in Louisiana, 2001Tornado Watches in Mississippi, 2001Tornado Watches in Arkansas, 2001Every tornado watch 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; radar from the NEXRAD Level II archive.