Alert archive / Louisiana / Tornado Watches in 2005
Tornado Watch 62
The Storm Prediction Center issued this tornado watch at Mar 22, 2005, 3:00 AM CST for 19 parishes in Louisiana; Wilkinson County, Mississippi. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 22, 2005, 3:00 AM CST (09:00 UTC)
- Expired
- Mar 22, 2005, 8:00 AM CST
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
Counties Acadia Parish, LA, Allen Parish, LA, Avoyelles Parish, LA, Beauregard Parish, LA, Calcasieu Parish, LA, Cameron Parish, LA, Evangeline Parish, LA, Iberville Parish, LA, Jefferson Davis Parish, LA, Lafayette Parish, LA, Pointe Coupee Parish, LA, Rapides Parish, LA, Saint Landry Parish, LA, Saint Martin Parish, LA, St. Mary Parish, LA, Vermilion Parish, LA, Vernon Parish, LA, West Baton Rouge Parish, LA, West Feliciana Parish, LA, Wilkinson County, MS
The radar
The Lake Charles radar (KLCH), 51 km from the middle of the area, began a volume at 09:03 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
2 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 22, 4:40 AM CST | Severe Thunderstorm Warning | LCH | Vernon | 35 min |
| Mar 22, 5:51 AM CST | Severe Thunderstorm Warning | LIX | Amite, Pike, Walthall, Wilkinson | 54 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 00:00Z, 9.0 hours before the alert went out and 49 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
- 1017 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 845 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 104 m²/s²
- 0-3 km storm-relative helicity
- 252 m²/s²
- Significant tornado parameter
- 1.0
- Supercell composite
- 5.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WWUS20 KWNS 220901
SEL2
SPC WW 220901
LAZ000-MSZ000-CWZ000-221400-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 62
NWS STORM PREDICTION CENTER NORMAN OK
300 AM CST TUE MAR 22 2005
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
SOUTH-CENTRAL AND SOUTHWESTERN LOUISIANA
EXTREME SOUTHWESTERN MISSISSIPPI
COASTAL WATERS
EFFECTIVE THIS TUESDAY MORNING FROM 300 AM UNTIL 800 AM CST.
TORNADOES...HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 75 STATUTE MILES
EAST AND WEST OF A LINE FROM 55 MILES EAST NORTHEAST OF FORT POLK
LOUISIANA TO 30 MILES WEST SOUTHWEST OF INTRACOASTAL CITY
LOUISIANA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU2).
REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA.
PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING
WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE
WARNINGS.
OTHER WATCH INFORMATION...CONTINUE...WW 59...WW 60...WW 61...
DISCUSSION...SEVERE TSTMS EXPECTED TO MOVE EWD FROM WW 60 INTO SWRN
LA...WITH POTENTIAL FOR ADDITIONAL DEVELOPMENT AFFECTING AREAS AS
FAR E AS BTR METRO. TORNADO POTENTIAL MARGINAL ATTM...BUT SHOULD
INCREASE WITH TIME AND FROM W-E AS AIR MASS JUST ABOVE SFC
DESTABILIZES AMIDST CONTINUING WAA.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
450. MEAN STORM MOTION VECTOR 27025.
...EDWARDS/EVANS
312,0910 293,0911 293,0935 312,0933SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 21, 8:29 PM CST | Mesoscale Discussion | SPC | Bienville, Bossier, Caddo, Claiborne, De Soto, Lincoln and 4 more | 91 min |
| Mar 21, 9:20 PM CST | Tornado Watch | SPC | Bienville, Caldwell, Catahoula, Claiborne, Concordia, East Carroll and 15 more | 7 hr |
| Mar 21, 11:09 PM CST | Mesoscale Discussion | SPC | Bossier, Caddo, De Soto | 96 min |
| Mar 21, 11:26 PM CST | Mesoscale Discussion | SPC | Bienville, Caldwell, Catahoula, Claiborne, Concordia, Franklin and 14 more | 94 min |
| Mar 22, 12:50 AM CST | Tornado Watch | SPC | De Soto, Sabine | 5 hr |
| Mar 22, 1:45 AM CST | Tornado Watch | SPC | Bienville, Caldwell, Catahoula, Claiborne, Concordia, East Carroll and 14 more | 6 hr |
| Mar 22, 3:43 AM CST | Mesoscale Discussion | SPC | De Soto, Sabine | 2 hr |
| Mar 22, 3:57 AM CST | Mesoscale Discussion | SPC | Bienville, Caldwell, Catahoula, Claiborne, Concordia, East Carroll and 14 more | 2 hr |
| Mar 22, 5:59 AM CST | Mesoscale Discussion | SPC | Acadia, Allen, Avoyelles, Calcasieu, Cameron, East Baton Rouge and 14 more | 2 hr |
| Mar 22, 6:55 AM CST | Tornado Watch | SPC | Saint Tammany, Washington | 6 hr |
| Mar 22, 9:44 AM CST | Mesoscale Discussion | SPC | George, Greene, Hancock, Harrison, Jackson | 61 min |
| Mar 22, 11:55 AM CST | Mesoscale Discussion | SPC | Benton, Bolivar, Carroll, Coahoma, DeSoto, Grenada and 11 more | 95 min |
| Mar 22, 12:55 PM CST | Severe Thunderstorm Watch | SPC | Attala, Bolivar, Calhoun, Carroll, Choctaw, Coahoma and 20 more | 7 hr |
| Mar 22, 2:39 PM CST | Mesoscale Discussion | SPC | Coahoma, DeSoto, Lafayette, Marshall, Panola, Quitman and 2 more | 96 min |
| Mar 22, 3:43 PM CST | Mesoscale Discussion | SPC | Amite, Attala, Clarke, Covington, Forrest, Greene and 23 more | 2 hr |
| Mar 22, 4:27 PM CST | Mesoscale Discussion | SPC | Alcorn, Benton, Marshall, Tippah | 33 min |
| Mar 22, 4:50 PM CST | Severe Thunderstorm Watch | SPC | Alcorn, Benton, Itawamba, Lee, Pontotoc, Prentiss and 3 more | 5 hr |
Nearby
Tornado Watches in Louisiana, 2005Tornado Watches in Mississippi, 2005Every tornado watch in 2005
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.