Alert archive / Mississippi / Tornado Watches in 1999

Tornado Watch 217

May 5, 1999Lee County, Phillips County, Arkansas; 52 counties in Mississippi

The Storm Prediction Center issued this tornado watch at May 5, 1999, 5:00 PM CDT for Lee County, Phillips County, Arkansas; 52 counties in Mississippi. It was in force for 4 hr.

The area

The outline as issued.

The facts

Issued
May 5, 1999, 5:00 PM CDT (22:00 UTC)
Expired
May 5, 1999, 9:00 PM CDT
In force
4 hr
Issued by
the Storm Prediction Center
All 54 counties

Lee County, AR, Phillips County, AR, Alcorn County, MS, Attala County, MS, Benton County, MS, Bolivar County, MS, Calhoun County, MS, Carroll County, MS, Chickasaw County, MS, Choctaw County, MS, Clay County, MS, Coahoma County, MS, DeSoto County, MS, Grenada County, MS, Hinds County, MS, Holmes County, MS, Humphreys County, MS, Issaquena County, MS, Itawamba County, MS, Kemper County, MS, Lafayette County, MS, Lauderdale County, MS, Leake County, MS, Lee County, MS, Leflore County, MS, Lowndes County, MS, Madison County, MS, Marshall County, MS, Monroe County, MS, Montgomery County, MS, Neshoba County, MS, Newton County, MS, Noxubee County, MS, Oktibbeha County, MS, Panola County, MS, Pontotoc County, MS, Prentiss County, MS, Quitman County, MS, Rankin County, MS, Scott County, MS, Sharkey County, MS, Sunflower County, MS, Tallahatchie County, MS, Tate County, MS, Tippah County, MS, Tishomingo County, MS, Tunica County, MS, Union County, MS, Warren County, MS, Washington County, MS, Webster County, MS, Winston County, MS, Yalobusha County, MS, Yazoo County, MS

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
May 5, 5:09 PM CDTSevere Thunderstorm WarningMEGPhillips51 min
May 5, 5:11 PM CDTSevere Thunderstorm WarningMEGLee49 min
May 5, 5:25 PM CDTSevere Thunderstorm WarningMEGDeSoto, Tunica45 min
May 5, 5:28 PM CDTSevere Thunderstorm WarningMEGTallahatchie47 min
May 5, 5:35 PM CDTSevere Thunderstorm WarningJANBolivar50 min
May 5, 5:36 PM CDTSevere Thunderstorm WarningJANWashington49 min
May 5, 5:53 PM CDTTornado WarningMEGPanola, Tallahatchie32 min
May 5, 6:02 PM CDTTornado WarningMEGDeSoto33 min
May 5, 6:03 PM CDTSevere Thunderstorm WarningJANIssaquena47 min
May 5, 6:05 PM CDTSevere Thunderstorm WarningMEGYalobusha35 min
May 5, 6:07 PM CDTSevere Thunderstorm WarningJANSunflower48 min
May 5, 6:13 PM CDTTornado WarningMEGLafayette32 min
May 5, 6:15 PM CDTTornado WarningJANIssaquena50 min
May 5, 6:17 PM CDTSevere Thunderstorm WarningJANLeflore48 min
May 5, 6:20 PM CDTTornado WarningJANSharkey50 min
May 5, 6:22 PM CDTSevere Thunderstorm WarningJANWashington33 min
May 5, 6:26 PM CDTTornado WarningJANLeflore49 min
May 5, 6:30 PM CDTTornado WarningJANSunflower50 min
May 5, 6:33 PM CDTSevere Thunderstorm WarningJANYazoo52 min
May 5, 6:39 PM CDTTornado WarningJANHumphreys51 min
May 5, 6:39 PM CDTTornado WarningMEGMarshall36 min
May 5, 6:44 PM CDTSevere Thunderstorm WarningMEGLafayette46 min
May 5, 6:45 PM CDTSevere Thunderstorm WarningMEGBenton50 min
May 5, 6:47 PM CDTTornado WarningJANYazoo48 min
May 5, 6:58 PM CDTSevere Thunderstorm WarningJANHolmes47 min
May 5, 6:59 PM CDTSevere Thunderstorm WarningJANIssaquena, Sharkey51 min
May 5, 7:04 PM CDTTornado WarningMEGLafayette31 min
May 5, 7:06 PM CDTTornado WarningJANHolmes49 min
May 5, 7:09 PM CDTTornado WarningMEGPontotoc, Union46 min
May 5, 7:14 PM CDTSevere Thunderstorm WarningMEGTippah51 min
May 5, 7:15 PM CDTTornado WarningJANCarroll, Leflore50 min
May 5, 7:21 PM CDTSevere Thunderstorm WarningJANGrenada49 min
May 5, 7:31 PM CDTTornado WarningJANHumphreys49 min
May 5, 7:34 PM CDTSevere Thunderstorm WarningMEGAlcorn, Prentiss31 min
May 5, 7:37 PM CDTTornado WarningJANGrenada, Montgomery48 min
May 5, 7:44 PM CDTSevere Thunderstorm WarningMEGLee46 min
May 5, 7:47 PM CDTTornado WarningJANAttala48 min
May 5, 7:49 PM CDTSevere Thunderstorm WarningJANYazoo51 min
May 5, 7:50 PM CDTSevere Thunderstorm WarningMEGTishomingo45 min
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, 8:21 PM CDTSevere Thunderstorm WarningJANChoctaw, Montgomery, Webster49 min
May 5, 8:41 PM CDTSevere Thunderstorm WarningJANClay, Oktibbeha49 min
May 5, 8:46 PM CDTSevere Thunderstorm WarningJANHumphreys49 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, 9:00 PM CDTSevere Thunderstorm WarningJANCarroll, Holmes50 min

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 10.0 hours before the alert went out and 104 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 1999-05-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2115 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 12:00Z on 1999-05-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 291 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
2115 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
554 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
291 m²/s²
0-3 km storm-relative helicity
224 m²/s²
Significant tornado parameter
3.8
Supercell composite
12.7

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 5, 7:45 AM CDTTornado WatchSPCArkansas, Ashley, Chicot, Desha, Drew, Lee and 4 more6 hr
May 5, 2:00 PM CDTTornado WatchSPCArkansas, Ashley, Bradley, Calhoun, Chicot, Clay and 29 more7 hr

Nearby

Tornado Watches in Mississippi, 1999Tornado Watches in Arkansas, 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.