Alert archive / Mississippi / Tornado Watches in 2024

Tornado Watch 252

May 16, 2024Baldwin County, Mobile County, Alabama; 4 counties in Mississippi

The Storm Prediction Center issued this tornado watch at May 16, 2024, 10:53 PM CDT for Baldwin County, Mobile County, Alabama; 4 counties in Mississippi. It was in force for 4 hr.

The area

The outline as issued.

The facts

Issued
May 16, 2024, 10:53 PM CDT (03:53 UTC)
Expired
May 17, 2024, 3:00 AM CDT
In force
4 hr
Issued by
the Storm Prediction Center
Largest hail expected
1.5 in
Strongest gust expected
60 kt

Counties Baldwin County, AL, Mobile County, AL, Hancock County, MS, Harrison County, MS, Jackson County, MS, Pearl River County, MS

The radar

The Mobile radar (KMOB), 72 km from the middle of the area, began a volume at 03:58 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
30%
One or more EF2 to EF5 tornadoes
10%
Ten or more severe wind reports
20%
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
40%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
May 16, 11:24 PM CDTSevere Thunderstorm Warning Considerable damage threatLIXHancock, Pearl River66 min
May 16, 11:57 PM CDTFlash Flood WarningLIXHancock, Harrison, Jackson, Pearl River2 hr
May 17, 12:05 AM CDTSevere Thunderstorm Warning Considerable damage threatLIXHancock, Harrison, Pearl River55 min
May 17, 12:58 AM CDTSevere Thunderstorm WarningLIXHarrison, Jackson36 min
May 17, 1:38 AM CDTSevere Thunderstorm WarningMOBBaldwin, Mobile37 min
May 17, 2:10 AM CDTSevere Thunderstorm WarningMOBBaldwin50 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

Slidell Radar S, LA (KSIL), launched 00:00Z, 3.9 hours before the alert went out and 76 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, Slidell Radar S, LA at 00:00Z on 2024-05-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 61 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Slidell Radar S, LA at 00:00Z on 2024-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 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
61 J/kg
Mixed-layer CIN
-248 J/kg
Mixed-layer LCL
1098 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
86 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

965 
WWUS20 KWNS 170351
SEL2  
SPC WW 170351
ALZ000-MSZ000-CWZ000-170800-

URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 252
NWS Storm Prediction Center Norman OK
1050 PM CDT Thu May 16 2024

The NWS Storm Prediction Center has issued a

* Tornado Watch for portions of 
  Southern Alabama
  Southern Mississippi
  Coastal Waters

* Effective this Thursday night and Friday morning from 1050 PM
  until 300 AM CDT.

* Primary threats include...
  A couple tornadoes possible
  Isolated damaging wind gusts to 70 mph possible

SUMMARY...A severe squall line over southeast Louisiana will
continue east and move into the Watch area tonight.  In addition to
the risk for a couple of tornadoes, severe gusts (60-70 mph) capable
of wind damage may accompany the more intense thunderstorm cores and
outflow surges in the squall line.

The tornado watch area is approximately along and 30 statute miles
north and south of a line from 35 miles west of Gulfport MS to 30
miles southeast of Mobile AL. For a complete depiction of the watch
see the associated watch outline update (WOUS64 KWNS WOU2).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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...CONTINUE...WW 250...WW 251...

AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 1.5 inches. Extreme turbulence and surface wind
gusts to 60 knots. A few cumulonimbi with maximum tops to 500. Mean
storm motion vector 27035.

...Smith

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 17, 2:31 PM CDTMesoscale DiscussionSPCBaldwin, Coffee, Conecuh, Covington, Dale, Escambia and 4 more2 hr
May 17, 2:59 PM CDTTornado WatchSPCCoffee, Covington, Dale, Escambia, Geneva, Henry and 1 more6 hr
May 17, 5:32 PM CDTMesoscale DiscussionSPCGeneva88 min
May 16, 10:09 PM CDTMesoscale DiscussionSPCHancock2 hr

Nearby

Tornado Watches in Mississippi, 2024Tornado Watches in Alabama, 2024Every tornado watch in 2024

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.