Alert archive / Mississippi / Tornado Watches in 2003

Tornado Watch 161

April 24, 2003Ashley County, Chicot County, Drew County, Arkansas; 8 parishes in Louisiana; 41 counties in Mississippi

The Storm Prediction Center issued this tornado watch at Apr 24, 2003, 7:50 PM CDT for Ashley County, Chicot County, Drew County, Arkansas; 8 parishes in Louisiana; 41 counties in Mississippi. It was in force for 4 hr.

The area

The outline as issued.

The facts

Issued
Apr 24, 2003, 7:50 PM CDT (00:50 UTC)
Expired
Apr 25, 2003, 12:00 AM CDT
In force
4 hr
Issued by
the Storm Prediction Center
All 52 counties

Ashley County, AR, Chicot County, AR, Drew County, AR, Concordia Parish, LA, East Carroll Parish, LA, Franklin Parish, LA, Madison Parish, LA, Morehouse Parish, LA, Richland Parish, LA, Tensas Parish, LA, West Carroll Parish, LA, Adams County, MS, Attala County, MS, Carroll County, MS, Choctaw County, MS, Claiborne County, MS, Clarke County, MS, Copiah County, MS, Covington County, MS, Franklin County, MS, Hinds County, MS, Holmes County, MS, Humphreys County, MS, Issaquena County, MS, Jasper County, MS, Jefferson County, MS, Jefferson Davis County, MS, Jones County, MS, Kemper County, MS, Lauderdale County, MS, Lawrence County, MS, Leake County, MS, Leflore County, MS, Lincoln County, MS, Madison County, MS, Montgomery County, MS, Neshoba County, MS, Newton County, MS, Noxubee County, MS, Oktibbeha County, MS, Rankin County, MS, Scott County, MS, Sharkey County, MS, Simpson County, MS, Smith County, MS, Sunflower County, MS, Warren County, MS, Washington County, MS, Wayne County, MS, Webster County, MS, Winston County, MS, Yazoo County, MS

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Apr 24, 7:52 PM CDTSevere Thunderstorm WarningJANNewton43 min
Apr 24, 8:00 PM CDTSevere Thunderstorm WarningJANHinds30 min
Apr 24, 8:05 PM CDTSevere Thunderstorm WarningJANCopiah, Jefferson, Lincoln50 min
Apr 24, 8:13 PM CDTSevere Thunderstorm WarningJANLauderdale37 min
Apr 24, 8:19 PM CDTSevere Thunderstorm WarningJANJasper, Jones41 min
Apr 24, 8:24 PM CDTFlash Flood WarningJANAttala, Claiborne, Copiah, Hinds, Jefferson, Kemper and 10 more6 hr
Apr 24, 8:25 PM CDTTornado WarningJANMadison30 min
Apr 24, 8:39 PM CDTTornado WarningJANAshley101 min
Apr 24, 8:45 PM CDTTornado WarningJANLeake45 min
Apr 24, 8:49 PM CDTTornado WarningJANKemper, Neshoba41 min
Apr 24, 8:57 PM CDTSevere Thunderstorm WarningJANLawrence, Lincoln43 min
Apr 24, 9:05 PM CDTTornado WarningJANHinds40 min
Apr 24, 9:15 PM CDTSevere Thunderstorm WarningJANMadison30 min
Apr 24, 9:19 PM CDTTornado WarningJANRankin61 min
Apr 24, 9:31 PM CDTTornado WarningJANLeake, Neshoba44 min
Apr 24, 9:39 PM CDTSevere Thunderstorm WarningJANLauderdale, Newton46 min
Apr 24, 9:57 PM CDTTornado WarningJANLauderdale43 min
Apr 24, 10:01 PM CDTTornado WarningJANAshley, Chicot39 min
Apr 24, 10:14 PM CDTTornado WarningJANScott61 min
Apr 24, 10:21 PM CDTTornado WarningJANRankin9 min
Apr 24, 10:28 PM CDTSevere Thunderstorm WarningJANSmith32 min
Apr 24, 10:32 PM CDTTornado WarningJANWashington43 min
Apr 24, 10:34 PM CDTTornado WarningJANKemper31 min
Apr 24, 10:41 PM CDTTornado WarningJANChicot44 min
Apr 24, 10:55 PM CDTSevere Thunderstorm WarningJANNeshoba, Newton45 min
Apr 24, 11:00 PM CDTSevere Thunderstorm WarningJANNewton40 min
Apr 24, 11:11 PM CDTSevere Thunderstorm WarningJANSharkey44 min
Apr 24, 11:11 PM CDTTornado WarningJANHumphreys, Sunflower, Washington44 min
Apr 24, 11:14 PM CDTSevere Thunderstorm WarningJANJasper, Smith31 min
Apr 24, 11:17 PM CDTSevere Thunderstorm WarningJANEast Carroll, West Carroll43 min
Apr 24, 11:36 PM CDTSevere Thunderstorm WarningJANLauderdale44 min
Apr 24, 11:42 PM CDTSevere Thunderstorm WarningJANJasper, Newton28 min
Apr 24, 11:44 PM CDTSevere Thunderstorm WarningJANIssaquena46 min
Apr 24, 11:52 PM CDTSevere Thunderstorm WarningJANClarke28 min
Apr 24, 11:56 PM CDTSevere Thunderstorm WarningJANHumphreys, Sharkey79 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, 0.8 hours before the alert went out and 40 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 2003-04-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1927 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 2003-04-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 293 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
1927 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
649 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
293 m²/s²
0-3 km storm-relative helicity
370 m²/s²
Significant tornado parameter
4.7
Supercell composite
18.7

Open this sounding in Storm Lab

The text

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

000 
WWUS20 KWNS 250050
SEL1  
SPC WW 250050
ARZ000-LAZ000-MSZ000-250500-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 161 
NWS STORM PREDICTION CENTER NORMAN OK 
750 PM CDT THU APR 24 2003

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

       EXTREME SOUTHEAST ARKANSAS
       NORTHEAST LOUISIANA
       CENTRAL AND SOUTHERN MISSISSIPPI

EFFECTIVE THIS THURSDAY NIGHT FROM 750 PM UNTIL 
MIDNIGHT CDT.

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 ALONG AND 95 STATUTE MILES EAST AND WEST
OF A LINE FROM 10 MILES NORTH NORTHWEST OF GREENWOOD MISSISSIPPI
TO 65 MILES WEST SOUTHWEST OF LAUREL MISSISSIPPI.

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 157. WATCH NUMBER 157... WILL NOT BE IN EFFECT AFTER
750 PM CDT. CONTINUE...WW 158...WW 160...


DISCUSSION...BAND OF STRONG/SEVERE STORMS FROM NEAR HEZ INTO CENTRAL
MS IS EXPECTED TO CONTINUE NEXT SEVERAL HOURS...WITH POTENTIAL FOR
NEW STORMS TO CONTINUE TO DEVELOP AND SPREAD EWD ALONG/EAST OF DRY
LINE OVER SRN AR NEXT SEVERAL HOURS.  00Z JAN SOUNDING SHOWS WINDS
VEERING AND INCREASING WITH HEIGHT RESULTING IN SUFFICIENT LOW AND
DEEP LAYER SHEAR TO SUPPORT SUPERCELLS STORMS...WITH THREAT FOR
HAIL...DAMAGING WINDS AND A FEW TORNADOES.  STORMS SHOULD BECOME
INCREASINGLY ELEVATED OVER EAST CENTRAL MS SUGGESTING SEVERE THREAT
SHOULD DIMINISH BY THE TIME STORMS REACH THE AL BORDER.

AVIATION...TORDADOES 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 25035.


...WEISS

333,0883 311,0883 311,0914 333,0914

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 24, 9:03 PM CDTMesoscale DiscussionSPCArkansas, Baxter, Clay, Cleburne, Cleveland, Conway and 33 more117 min
Apr 24, 10:51 PM CDTMesoscale DiscussionSPCAshley, Chicot, Drew84 min
Apr 24, 11:45 PM CDTTornado WatchSPCCraighead, Crittenden, Cross, Greene, Lawrence, Lee and 4 more5 hr
Apr 25, 1:15 AM CDTMesoscale DiscussionSPCCrittenden, Mississippi90 min
Apr 25, 3:05 AM CDTMesoscale DiscussionSPCMississippi85 min
Apr 25, 2:40 PM CDTSevere Thunderstorm WatchSPCAscension, East Baton Rouge, East Feliciana, Iberville, Livingston, Saint Helena and 3 more5 hr
Apr 25, 11:04 AM CDTMesoscale DiscussionSPCAlcorn, Itawamba, Lee, Prentiss, Tishomingo116 min
Apr 25, 12:59 PM CDTMesoscale DiscussionSPCClarke, Covington, Jasper, Jefferson Davis, Jones, Lamar and 5 more2 hr
Apr 25, 5:40 PM CDTTornado WatchSPCCovington, Forrest, George, Greene, Jefferson Davis, Jones and 6 more5 hr

Nearby

Tornado Watches in Mississippi, 2003Tornado Watches in Louisiana, 2003Tornado Watches in Arkansas, 2003Every tornado watch in 2003

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.