Alert archive / Mississippi / Tornado Watches in 1999

Tornado Watch 219

May 5, 199919 counties in Alabama; 34 counties in Mississippi

The Storm Prediction Center issued this tornado watch at May 5, 1999, 8:00 PM CDT for 19 counties in Alabama; 34 counties in Mississippi. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
May 5, 1999, 8:00 PM CDT (01:00 UTC)
Expired
May 6, 1999, 2:00 AM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 53 counties

Colbert County, AL, Cullman County, AL, Fayette County, AL, Franklin County, AL, Greene County, AL, Jackson County, AL, Lamar County, AL, Lauderdale County, AL, Lawrence County, AL, Limestone County, AL, Madison County, AL, Marion County, AL, Marshall County, AL, Morgan County, AL, Pickens County, AL, Sumter County, AL, Tuscaloosa County, AL, Walker County, AL, Winston County, AL, Alcorn County, MS, Attala County, MS, Calhoun County, MS, Carroll County, MS, Chickasaw County, MS, Choctaw County, MS, Clay County, MS, Grenada County, MS, Holmes County, MS, Humphreys County, MS, Issaquena County, MS, Itawamba County, MS, Kemper County, MS, Lafayette County, MS, Leake County, MS, Lee County, MS, Leflore County, MS, Lowndes County, MS, Madison County, MS, Monroe County, MS, Montgomery County, MS, Neshoba County, MS, Noxubee County, MS, Oktibbeha County, MS, Pontotoc County, MS, Prentiss County, MS, Sharkey County, MS, Tippah County, MS, Tishomingo County, MS, Union County, MS, Webster County, MS, Winston County, MS, Yalobusha County, MS, Yazoo County, MS

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
May 5, 8:00 PM CDTSevere Thunderstorm WarningJANHolmes50 min
May 5, 8:02 PM CDTSevere Thunderstorm WarningJANCarroll48 min
May 5, 8:05 PM CDTSevere Thunderstorm WarningJANSharkey50 min
May 5, 8:06 PM CDTSevere Thunderstorm WarningBMXColbert, Lauderdale49 min
May 5, 8:21 PM CDTSevere Thunderstorm WarningJANChoctaw, Montgomery, Webster49 min
May 5, 8:28 PM CDTSevere Thunderstorm WarningBMXFranklin47 min
May 5, 8:41 PM CDTSevere Thunderstorm WarningJANClay, Oktibbeha49 min
May 5, 8:46 PM CDTSevere Thunderstorm WarningJANHumphreys49 min
May 5, 8:50 PM CDTSevere Thunderstorm WarningBMXMarion45 min
May 5, 8:51 PM CDTFlash Flood WarningJANCarroll, Holmes, Humphreys119 min
May 5, 8:51 PM CDTFlash Flood WarningJANIssaquena119 min
May 5, 8:51 PM CDTFlash Flood WarningJANSharkey119 min
May 5, 8:51 PM CDTFlash Flood WarningJANMontgomery119 min
May 5, 8:52 PM CDTSevere Thunderstorm WarningJANIssaquena48 min
May 5, 8:53 PM CDTSevere Thunderstorm WarningBMXColbert, Lauderdale47 min
May 5, 9:00 PM CDTSevere Thunderstorm WarningJANCarroll, Holmes50 min
May 5, 9:07 PM CDTSevere Thunderstorm WarningJANSharkey48 min
May 5, 9:10 PM CDTSevere Thunderstorm WarningJANMontgomery50 min
May 5, 9:14 PM CDTSevere Thunderstorm WarningBMXFranklin, Lawrence61 min
May 5, 9:24 PM CDTSevere Thunderstorm WarningBMXLimestone51 min
May 5, 9:27 PM CDTSevere Thunderstorm WarningJANClay, Lowndes48 min
May 5, 9:30 PM CDTSevere Thunderstorm WarningBMXLamar, Marion50 min
May 5, 9:34 PM CDTSevere Thunderstorm WarningJANHumphreys, Yazoo46 min
May 5, 9:46 PM CDTSevere Thunderstorm WarningJANHolmes49 min
May 5, 9:53 PM CDTSevere Thunderstorm WarningBMXMorgan62 min
May 5, 9:58 PM CDTSevere Thunderstorm WarningBMXMadison62 min
May 5, 10:02 PM CDTSevere Thunderstorm WarningBMXCullman, Winston63 min
May 5, 10:32 PM CDTSevere Thunderstorm WarningBMXJackson63 min
May 5, 10:32 PM CDTSevere Thunderstorm WarningJANAttala, Holmes, Yazoo48 min
May 5, 10:37 PM CDTSevere Thunderstorm WarningJANMadison48 min
May 5, 11:03 PM CDTSevere Thunderstorm WarningBMXMadison32 min
May 5, 11:12 PM CDTSevere Thunderstorm WarningJANOktibbeha48 min
May 5, 11:15 PM CDTSevere Thunderstorm WarningJANLeake, Scott50 min
May 5, 11:16 PM CDTSevere Thunderstorm WarningJANLowndes49 min
May 5, 11:25 PM CDTSevere Thunderstorm WarningBMXLamar30 min
May 5, 11:54 PM CDTSevere Thunderstorm WarningBMXLamar31 min
May 6, 12:01 AM CDTSevere Thunderstorm WarningJANNeshoba49 min
May 6, 12:06 AM CDTSevere Thunderstorm WarningBMXFayette, Walker64 min
May 6, 12:06 AM CDTSevere Thunderstorm WarningBMXCullman, Winston64 min
May 6, 12:19 AM CDTFlash Flood WarningBMXMorgan3 hr
May 6, 12:26 AM CDTSevere Thunderstorm WarningJANNoxubee49 min
May 6, 12:27 AM CDTFlash Flood WarningBMXMadison3 hr
May 6, 12:37 AM CDTSevere Thunderstorm WarningBMXPickens48 min
May 6, 12:47 AM CDTSevere Thunderstorm WarningJANKemper, Neshoba48 min
May 6, 12:52 AM CDTSevere Thunderstorm WarningBMXJackson48 min
May 6, 1:11 AM CDTSevere Thunderstorm WarningBMXTuscaloosa64 min
May 6, 1:36 AM CDTSevere Thunderstorm WarningBMXJefferson, Walker64 min

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 1.0 hours before the alert went out and 164 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 1999-05-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3704 joules per kilogram.LCLEL10008507005003002001001 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 1999-05-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 247 square meters per square second.1939587897Sfc1 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
3704 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
839 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
247 m²/s²
0-3 km storm-relative helicity
293 m²/s²
Significant tornado parameter
7.4
Supercell composite
23.8

Open this sounding in Storm Lab

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.

IssuedProductOfficeCountiesLasted
May 6, 12:30 AM CDTTornado WatchSPCBibb, Calhoun, Chambers, Cherokee, Chilton, Clay and 13 more6 hr
May 6, 5:45 AM CDTTornado WatchSPCAutauga, Barbour, Bullock, Butler, Calhoun, Chambers and 27 more5 hr

Nearby

Tornado Watches in Mississippi, 1999Tornado Watches in Alabama, 1999Every tornado watch in 1999

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.