Alert archive / Mississippi / Tornado Watches in 2005

Tornado Watch 61

March 22, 20054 counties in Arkansas; 20 parishes in Louisiana; 21 counties in Mississippi

The Storm Prediction Center issued this tornado watch at Mar 22, 2005, 1:45 AM CST for 4 counties in Arkansas; 20 parishes in Louisiana; 21 counties in Mississippi. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Mar 22, 2005, 1:45 AM CST (07:45 UTC)
Expired
Mar 22, 2005, 8:00 AM CST
In force
6 hr
Issued by
the Storm Prediction Center
All 45 counties

Ashley County, AR, Bradley County, AR, Chicot County, AR, Union County, AR, Bienville Parish, LA, Caldwell Parish, LA, Catahoula Parish, LA, Claiborne Parish, LA, Concordia Parish, LA, East Carroll Parish, LA, Franklin Parish, LA, Grant Parish, LA, Jackson Parish, LA, LaSalle Parish, LA, Lincoln Parish, LA, Madison Parish, LA, Morehouse Parish, LA, Natchitoches Parish, LA, Ouachita Parish, LA, Richland Parish, LA, Tensas Parish, LA, Union Parish, LA, West Carroll Parish, LA, Winn Parish, LA, Adams County, MS, Attala County, MS, Carroll County, MS, Claiborne County, MS, Copiah County, MS, Franklin County, MS, Hinds County, MS, Holmes County, MS, Humphreys County, MS, Issaquena County, MS, Jefferson County, MS, Lawrence County, MS, Lincoln County, MS, Madison County, MS, Montgomery County, MS, Rankin County, MS, Sharkey County, MS, Simpson County, MS, Warren County, MS, Washington County, MS, Yazoo County, MS

Warnings issued inside it

17 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Mar 22, 2:03 AM CSTSevere Thunderstorm WarningJANWashington57 min
Mar 22, 2:46 AM CSTSevere Thunderstorm WarningSHVNatchitoches59 min
Mar 22, 3:03 AM CSTSevere Thunderstorm WarningSHVWinn57 min
Mar 22, 3:05 AM CSTSevere Thunderstorm WarningJANFranklin, Richland55 min
Mar 22, 5:13 AM CSTSevere Thunderstorm WarningJANConcordia48 min
Mar 22, 5:22 AM CSTSevere Thunderstorm WarningJANHolmes, Yazoo53 min
Mar 22, 5:34 AM CSTSevere Thunderstorm WarningJANAdams56 min
Mar 22, 5:51 AM CSTSevere Thunderstorm WarningJANFranklin54 min
Mar 22, 5:54 AM CSTSevere Thunderstorm WarningJANJefferson51 min
Mar 22, 5:58 AM CSTSevere Thunderstorm WarningJANAttala, Holmes62 min
Mar 22, 6:09 AM CSTSevere Thunderstorm WarningJANHinds, Madison81 min
Mar 22, 6:29 AM CSTSevere Thunderstorm WarningJANCopiah, Lincoln61 min
Mar 22, 6:45 AM CSTSevere Thunderstorm WarningJANFranklin30 min
Mar 22, 6:58 AM CSTTornado WarningJANLawrence, Lincoln51 min
Mar 22, 7:08 AM CSTSevere Thunderstorm WarningJANCopiah, Simpson67 min
Mar 22, 7:17 AM CSTSevere Thunderstorm WarningJANLawrence58 min
Mar 22, 7:34 AM CSTTornado WarningJANSimpson, Smith56 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

Jackson, MS (KJAN), launched 00:00Z, 7.8 hours before the alert went out and 168 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.

Skew-T log-pSkew-T log-p diagram, Jackson, MS at 00:00Z on 2005-03-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 18 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jackson, MS at 00:00Z on 2005-03-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 31 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
18 J/kg
Mixed-layer CIN
-88 J/kg
Mixed-layer LCL
1125 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
31 m²/s²
0-3 km storm-relative helicity
140 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000
WWUS20 KWNS 220744
SEL1  
SPC WW 220744
ARZ000-LAZ000-MSZ000-221400-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 61
NWS STORM PREDICTION CENTER NORMAN OK
145 AM CST TUE MAR 22 2005

THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF 

       FAR SOUTHERN ARKANSAS
       NORTHERN LOUISIANA
       WEST-CENTRAL MISSISSIPPI

EFFECTIVE THIS TUESDAY MORNING FROM 145 AM UNTIL 800 AM CST.

TORNADOES...HAIL TO 2 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 100 STATUTE
MILES EAST AND WEST OF A LINE FROM 5 MILES NORTHWEST OF GREENVILLE
MISSISSIPPI TO 30 MILES EAST SOUTHEAST OF ALEXANDRIA LOUISIANA. 
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU1).

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...THIS TORNADO WATCH REPLACES TORNADO
WATCH NUMBER 58. WATCH NUMBER 58 WILL NOT BE IN EFFECT AFTER 145
AM CST. CONTINUE...WW 59...WW 60...

DISCUSSION...VIGOROUS UPPER LEVEL SYSTEM WILL MAINTAIN WIDESPREAD
THUNDERSTORMS ACROSS THE LOWER MS RIVER VALLEY REGION OVERNIGHT. 
SHEAR PROFILES REMAIN VERY STRONG...HOWEVER INSTABILITY FIELDS ARE
MARGINAL.  ACTIVITY WILL LIKELY BE SLIGHTLY ELEVATED...THOUGH AMOUNT
OF SHEAR SUGGESTS SUPERCELLS ARE LIKELY.  LARGE HAIL AND ISOLATED
DAMAGE WINDS WILL BE PRIMARY THREATS.  HOWEVER...EXTREME SHEAR AND
INCREASING BOUNDARY LAYER MOISTURE INTO CENTRAL LA/WRN MS EARLY THIS
MORNING SUGGEST ADDITIONAL RISK OF A FEW TORNADOES.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500.
MEAN STORM MOTION VECTOR 24035.


...EVANS

332,0891 311,0900 311,0933 332,0924

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 21, 8:29 PM CSTMesoscale DiscussionSPCBradley, Calhoun, Clark, Cleveland, Columbia, Dallas and 11 more91 min
Mar 21, 9:20 PM CSTTornado WatchSPCArkansas, Ashley, Bradley, Calhoun, Chicot, Cleveland and 11 more7 hr
Mar 21, 10:12 PM CSTMesoscale DiscussionSPCBenton, Boone, Carroll, Crawford, Franklin, Johnson and 8 more63 min
Mar 21, 10:15 PM CSTSevere Thunderstorm WatchSPCBenton, Carroll, Crawford, Franklin, Logan, Madison and 5 more6 hr
Mar 21, 11:09 PM CSTMesoscale DiscussionSPCHempstead, Howard, Lafayette, Little River, Miller, Pike and 1 more96 min
Mar 21, 11:26 PM CSTMesoscale DiscussionSPCArkansas, Ashley, Bradley, Calhoun, Chicot, Cleveland and 10 more94 min
Mar 22, 2:20 AM CSTMesoscale DiscussionSPCBenton, Carroll, Crawford, Franklin, Logan, Madison and 5 more85 min
Mar 22, 3:57 AM CSTMesoscale DiscussionSPCAshley, Bradley, Chicot, Union2 hr
Mar 22, 11:55 AM CSTMesoscale DiscussionSPCArkansas, Chicot, Cleburne, Conway, Crittenden, Cross and 20 more95 min
Mar 22, 12:55 PM CSTSevere Thunderstorm WatchSPCArkansas, Baxter, Boone, Chicot, Clay, Cleburne and 29 more7 hr
Mar 22, 2:39 PM CSTMesoscale DiscussionSPCBaxter, Cleburne, Craighead, Crittenden, Cross, Faulkner and 19 more96 min
Mar 22, 4:27 PM CSTMesoscale DiscussionSPCClay, Mississippi33 min
Mar 22, 12:50 AM CSTTornado WatchSPCDe Soto, Sabine5 hr
Mar 22, 3:00 AM CSTTornado WatchSPCAcadia, Allen, Avoyelles, Beauregard, Calcasieu, Cameron and 13 more5 hr
Mar 22, 3:43 AM CSTMesoscale DiscussionSPCDe Soto, Sabine2 hr
Mar 22, 5:59 AM CSTMesoscale DiscussionSPCAcadia, Allen, Avoyelles, Calcasieu, Cameron, East Baton Rouge and 14 more2 hr
Mar 22, 6:55 AM CSTTornado WatchSPCSaint Tammany, Washington6 hr
Mar 22, 9:44 AM CSTMesoscale DiscussionSPCGeorge, Greene, Hancock, Harrison, Jackson61 min
Mar 22, 3:43 PM CSTMesoscale DiscussionSPCAmite, Attala, Clarke, Covington, Forrest, Greene and 23 more2 hr
Mar 22, 4:50 PM CSTSevere Thunderstorm WatchSPCAlcorn, Benton, Itawamba, Lee, Pontotoc, Prentiss and 3 more5 hr

Nearby

Tornado Watches in Mississippi, 2005Tornado Watches in Louisiana, 2005Tornado Watches in Arkansas, 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.