Alert archive / Mississippi / Tornado Watches in 2006

Tornado Watch 832

October 16, 200612 counties in Alabama; 18 parishes in Louisiana; 47 counties in Mississippi

The Storm Prediction Center issued this tornado watch at Oct 16, 2006, 5:39 PM CDT for 12 counties in Alabama; 18 parishes in Louisiana; 47 counties in Mississippi. It was in force for 8 hr.

The area

The outline as issued.

The facts

Issued
Oct 16, 2006, 5:39 PM CDT (22:39 UTC)
Expired
Oct 17, 2006, 1:43 AM CDT
In force
8 hr
Issued by
the Storm Prediction Center
Largest hail expected
0.5 in
Strongest gust expected
60 kt
All 77 counties

Baldwin County, AL, Choctaw County, AL, Clarke County, AL, Conecuh County, AL, Dallas County, AL, Escambia County, AL, Marengo County, AL, Mobile County, AL, Monroe County, AL, Sumter County, AL, Washington County, AL, Wilcox County, AL, Ascension Parish, LA, Catahoula Parish, LA, Concordia Parish, LA, East Baton Rouge Parish, LA, East Carroll Parish, LA, East Feliciana Parish, LA, Franklin Parish, LA, Iberville Parish, LA, Livingston Parish, LA, Madison Parish, LA, Pointe Coupee Parish, LA, Saint Helena Parish, LA, Saint Tammany Parish, LA, Tangipahoa Parish, LA, Tensas Parish, LA, Washington Parish, LA, West Baton Rouge Parish, LA, West Feliciana Parish, LA, Adams County, MS, Amite County, MS, Attala County, MS, Claiborne County, MS, Clarke County, MS, Copiah County, MS, Covington County, MS, Forrest County, MS, Franklin County, MS, George County, MS, Greene County, MS, Hancock County, MS, Harrison County, MS, Hinds County, MS, Holmes County, MS, Issaquena County, MS, Jackson County, MS, Jasper County, MS, Jefferson County, MS, Jefferson Davis County, MS, Jones County, MS, Kemper County, MS, Lamar County, MS, Lauderdale County, MS, Lawrence County, MS, Leake County, MS, Lincoln County, MS, Madison County, MS, Marion County, MS, Neshoba County, MS, Newton County, MS, Noxubee County, MS, Pearl River County, MS, Perry County, MS, Pike County, MS, Rankin County, MS, Scott County, MS, Sharkey County, MS, Simpson County, MS, Smith County, MS, Stone County, MS, Walthall County, MS, Warren County, MS, Wayne County, MS, Wilkinson County, MS, Winston County, MS, Yazoo County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 81 km from the middle of the area, began a volume at 22:40 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.

What SPC expected

The probabilities SPC published with the watch, for the watch area over its life.

Two or more tornadoes
50%
One or more EF2 to EF5 tornadoes
20%
Ten or more severe wind reports
30%
One or more gusts of 65 knots or more
10%
Ten or more severe hail reports
5%
One or more hailstones of 2 inches or more
5%
Six or more combined severe hail and wind reports
80%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Oct 16, 5:40 PM CDTTornado WarningJANHolmes17 min
Oct 16, 5:44 PM CDTTornado WarningMOBMobile46 min
Oct 16, 5:48 PM CDTSevere Thunderstorm WarningJANEast Carroll42 min
Oct 16, 5:58 PM CDTTornado WarningJANEast Carroll32 min
Oct 16, 6:01 PM CDTTornado WarningJANSimpson17 min
Oct 16, 6:18 PM CDTTornado WarningJANSharkey27 min
Oct 16, 6:19 PM CDTTornado WarningMOBBaldwin41 min
Oct 16, 6:23 PM CDTTornado WarningMOBMobile37 min
Oct 16, 6:36 PM CDTTornado WarningJANYazoo54 min
Oct 16, 6:50 PM CDTFlash Flood WarningJANEast Carroll, Madison6 hr
Oct 16, 6:50 PM CDTTornado WarningMOBGreene40 min
Oct 16, 6:53 PM CDTTornado WarningMOBBaldwin37 min
Oct 16, 6:57 PM CDTTornado WarningMOBMobile48 min
Oct 16, 7:04 PM CDTTornado WarningMOBGeorge, Greene25 min
Oct 16, 7:27 PM CDTTornado WarningJANHolmes48 min
Oct 16, 7:32 PM CDTTornado WarningJANYazoo13 min
Oct 16, 8:14 PM CDTTornado WarningJANAttala, Carroll, Holmes46 min
Oct 16, 8:21 PM CDTSevere Thunderstorm WarningJANFranklin, Madison, Tensas39 min
Oct 16, 8:32 PM CDTFlash Flood WarningJANHolmes, Humphreys, Yazoo6 hr
Oct 16, 8:36 PM CDTSevere Thunderstorm WarningJANCatahoula, Concordia39 min
Oct 16, 8:57 PM CDTSevere Thunderstorm WarningJANClaiborne, Warren33 min
Oct 16, 9:11 PM CDTSevere Thunderstorm WarningJANHolmes34 min
Oct 16, 9:31 PM CDTTornado WarningMOBMobile29 min
Oct 16, 9:43 PM CDTSevere Thunderstorm WarningJANClaiborne32 min
Oct 16, 9:53 PM CDTTornado WarningJANConcordia37 min
Oct 16, 9:55 PM CDTSevere Thunderstorm WarningJANMadison, Yazoo50 min
Oct 16, 10:02 PM CDTSevere Thunderstorm WarningJANClaiborne, Jefferson43 min
Oct 16, 10:12 PM CDTFlash Flood WarningJANHinds, Madison, Rankin6 hr
Oct 16, 10:24 PM CDTSevere Thunderstorm WarningLIXIberville, Pointe Coupee, West Feliciana66 min
Oct 16, 10:30 PM CDTTornado WarningJANAdams, Franklin, Jefferson45 min
Oct 16, 10:37 PM CDTSevere Thunderstorm WarningJANCopiah, Hinds38 min
Oct 16, 10:47 PM CDTFlash Flood WarningJANAttala4 hr
Oct 16, 10:54 PM CDTSevere Thunderstorm WarningJANMadison51 min
Oct 16, 11:01 PM CDTSevere Thunderstorm WarningJANAttala44 min
Oct 16, 11:11 PM CDTSevere Thunderstorm WarningJANHinds, Rankin49 min
Oct 16, 11:16 PM CDTSevere Thunderstorm WarningJANCopiah, Franklin, Jefferson, Lincoln44 min
Oct 16, 11:55 PM CDTSevere Thunderstorm WarningJANMadison35 min
Oct 17, 12:00 AM CDTSevere Thunderstorm WarningJANLeake45 min
Oct 17, 12:40 AM CDTSevere Thunderstorm WarningJANCopiah, Simpson50 min
Oct 17, 1:05 AM CDTSevere Thunderstorm WarningLIXAmite, Pike55 min
Oct 17, 1:36 AM CDTTornado WarningLIXPike39 min
Oct 17, 1:40 AM CDTSevere Thunderstorm WarningJANSmith35 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 12:00Z, 10.7 hours before the alert went out and 90 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 12:00Z on 2006-10-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2006-10-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 297 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
612 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
297 m²/s²
0-3 km storm-relative helicity
460 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 16, 5:07 PM CDTMesoscale DiscussionSPCBaldwin, Butler, Choctaw, Clarke, Conecuh, Covington and 10 more23 min
Oct 15, 10:57 PM CDTMesoscale DiscussionSPCCalcasieu, Cameron63 min
Oct 15, 11:34 PM CDTTornado WatchSPCAcadia, Calcasieu, Cameron, Iberia, Jefferson Davis, Lafayette and 3 more7 hr
Oct 16, 1:26 AM CDTMesoscale DiscussionSPCAscension, Assumption, East Baton Rouge, Iberville, Jefferson, Lafourche and 11 more94 min
Oct 16, 2:13 AM CDTTornado WatchSPCAscension, Assumption, Iberville, Jefferson, Lafourche, Orleans and 6 more4 hr
Oct 16, 3:25 AM CDTMesoscale DiscussionSPCAcadia, Allen, Assumption, Beauregard, Calcasieu, Cameron and 12 more95 min
Oct 16, 5:32 AM CDTMesoscale DiscussionSPCAcadia, Allen, Ascension, Assumption, Beauregard, Calcasieu and 22 more88 min
Oct 16, 5:58 AM CDTTornado WatchSPCAcadia, Allen, Ascension, Assumption, Avoyelles, Beauregard and 32 more5 hr
Oct 16, 7:51 AM CDTMesoscale DiscussionSPCDe Soto, Grant, LaSalle, Natchitoches, Red River, Sabine and 1 more84 min
Oct 16, 10:37 AM CDTTornado WatchSPCAcadia, Allen, Avoyelles, Beauregard, Bienville, Calcasieu and 27 more9 hr
Oct 16, 12:39 PM CDTMesoscale DiscussionSPCAcadia, Allen, Avoyelles, Beauregard, Calcasieu, Caldwell and 30 more96 min
Oct 16, 1:56 PM CDTMesoscale DiscussionSPCAscension, Assumption, East Baton Rouge, East Feliciana, Iberville, Livingston and 13 more64 min
Oct 16, 2:24 PM CDTTornado WatchSPCAscension, East Baton Rouge, East Feliciana, Iberville, Livingston, Pointe Coupee and 6 more3 hr
Oct 16, 3:37 PM CDTMesoscale DiscussionSPCAcadia, Allen, Ascension, Assumption, Avoyelles, Beauregard and 33 more83 min
Oct 16, 6:19 PM CDTMesoscale DiscussionSPCAcadia, Allen, Assumption, Avoyelles, Calcasieu, Cameron and 11 more26 min
Oct 16, 6:44 PM CDTTornado WatchSPCAcadia, Allen, Avoyelles, Beauregard, Calcasieu, Cameron and 9 more7 hr

Nearby

Tornado Watches in Mississippi, 2006Tornado Watches in Louisiana, 2006Tornado Watches in Alabama, 2006Every tornado watch in 2006

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.