Alert archive / Mississippi / Tornado Watches in 2025

Tornado Watch 627

October 18, 2025Ashley County, Chicot County, Arkansas; 9 parishes in Louisiana; 35 counties in Mississippi

The Storm Prediction Center issued this tornado watch at Oct 18, 2025, 7:51 PM CDT for Ashley County, Chicot County, Arkansas; 9 parishes in Louisiana; 35 counties in Mississippi. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
Oct 18, 2025, 7:51 PM CDT (00:51 UTC)
Expired
Oct 19, 2025, 3:00 AM CDT
In force
7 hr
Issued by
the Storm Prediction Center
Largest hail expected
1 in
Strongest gust expected
60 kt
All 46 counties

Ashley County, AR, Chicot County, AR, Catahoula Parish, LA, 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, Bolivar County, MS, Carroll County, MS, Choctaw County, MS, Claiborne County, MS, Clay County, MS, Copiah County, MS, Franklin County, MS, Grenada County, MS, Hinds County, MS, Holmes County, MS, Humphreys County, MS, Issaquena County, MS, Jefferson County, MS, Kemper County, MS, Leake County, MS, Leflore County, MS, Lincoln County, MS, Lowndes County, MS, Madison County, MS, Montgomery County, MS, Neshoba County, MS, Noxubee County, MS, Oktibbeha County, MS, Rankin County, MS, Scott County, MS, Sharkey County, MS, Simpson County, MS, Sunflower County, MS, Warren County, MS, Washington County, MS, Webster County, MS, Winston County, MS, Yazoo County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 82 km from the middle of the area, began a volume at 00:52 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
40%
One or more EF2 to EF5 tornadoes
20%
Ten or more severe wind reports
50%
One or more gusts of 65 knots or more
20%
Ten or more severe hail reports
20%
One or more hailstones of 2 inches or more
5%
Six or more combined severe hail and wind reports
70%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Oct 18, 8:08 PM CDTSevere Thunderstorm WarningJANRichland, West Carroll41 min
Oct 18, 8:26 PM CDTSevere Thunderstorm WarningJANHumphreys, Sharkey, Washington64 min
Oct 18, 8:32 PM CDTSevere Thunderstorm WarningJANEast Carroll, Madison43 min
Oct 18, 9:00 PM CDTSevere Thunderstorm WarningJANHumphreys, Issaquena, Sharkey, Warren, Yazoo75 min
Oct 18, 9:10 PM CDTSevere Thunderstorm WarningJANCarroll, Leflore42 min
Oct 18, 9:13 PM CDTSevere Thunderstorm WarningJANCarroll, Holmes62 min
Oct 18, 9:27 PM CDTSevere Thunderstorm WarningJANAttala, Holmes, Madison, Yazoo78 min
Oct 18, 9:28 PM CDTTornado WarningJANAttala, Holmes, Yazoo29 min
Oct 18, 9:36 PM CDTSevere Thunderstorm WarningJANGrenada, Montgomery, Webster39 min
Oct 18, 10:23 PM CDTSevere Thunderstorm WarningJANAttala, Choctaw, Leake, Neshoba, Winston67 min
Oct 18, 10:44 PM CDTSevere Thunderstorm WarningJANChoctaw, Clay, Lowndes, Oktibbeha46 min
Oct 18, 11:22 PM CDTSevere Thunderstorm WarningJANLowndes, Neshoba, Noxubee, Oktibbeha, Winston53 min
Oct 19, 2:09 AM CDTSevere Thunderstorm WarningJANRankin, Scott, Smith24 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, 0.9 hours before the alert went out and 74 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 2025-10-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 743 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 2025-10-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 74 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
743 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
1174 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
74 m²/s²
0-3 km storm-relative helicity
172 m²/s²
Significant tornado parameter
0.2
Supercell composite
2.4

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 18, 8:59 PM CDTMesoscale DiscussionSPCEast Carroll, Madison, Richland2 hr
Oct 18, 11:27 PM CDTMesoscale DiscussionSPCCatahoula, East Carroll, Franklin, Madison, Tensas2 hr
Oct 18, 8:52 PM CDTMesoscale DiscussionSPCBenton, Marshall53 min

Nearby

Tornado Watches in Mississippi, 2025Tornado Watches in Louisiana, 2025Tornado Watches in Arkansas, 2025Every tornado watch in 2025

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.