Alert archive / Mississippi / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 107, NWS Mobile, AL

May 18, 2023George County, Mississippi

NWS Mobile, AL issued this severe thunderstorm warning at May 18, 2023, 6:07 PM CDT for George County, Mississippi. It was in force for 20 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: May 18, 2023, 6:07 PM CDT (23:07 UTC)
Expired: May 18, 2023, 6:27 PM CDT
In force: 20 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 60.0 mph

County George County, MS

The radar

The Mobile radar (KMOB), 44 km from the middle of the area, began a volume at 23:09 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.

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 11.1 hours before the alert went out and 122 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 994 J/kg
Mixed-layer CIN: -28 J/kg
Mixed-layer LCL: 830 m above ground
0-6 km bulk shear: 11 kt
0-1 km storm-relative helicity: -5 m²/s²
0-3 km storm-relative helicity: 12 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Mobile, AL wrote its last area forecast discussion before this severe thunderstorm warning went out at May 18, 3:24 PM CDT, 2 hours 43 minutes earlier.

Area forecast discussion, May 18, 3:24 PM CDT, 2 hours 43 minutes before

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In the hours before

Special weather statement, May 18, 4:31 PM CDT, 1 hour 36 minutes before

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Special weather statement, May 18, 5:14 PM CDT, 53 minutes before

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Special weather statement, May 18, 5:49 PM CDT, 18 minutes before

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Special weather statement, May 18, 5:51 PM CDT, 16 minutes before

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Special weather statement, May 18, 6:04 PM CDT, 3 minutes before

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Special weather statement, May 18, 6:05 PM CDT, 2 minutes before

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The office that day

Everything else NWS Mobile, AL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 18, 12:53 PM CDT	Special Weather Statement	MOB	Mobile	52 min
May 18, 2:05 PM CDT	Special Weather Statement	MOB	Escambia	40 min
May 18, 2:52 PM CDT	Special Weather Statement	MOB	Choctaw	38 min
May 18, 3:06 PM CDT	Special Weather Statement	MOB	Baldwin	39 min
May 18, 3:13 PM CDT	Areal Flood Advisory	MOB	Baldwin	3 hr
May 18, 3:26 PM CDT	Special Weather Statement	MOB	Choctaw	34 min
May 18, 3:47 PM CDT	Special Weather Statement	MOB	Conecuh	28 min
May 18, 4:10 PM CDT	Special Weather Statement	MOB	Choctaw	20 min
May 18, 4:31 PM CDT	Special Weather Statement	MOB	Conecuh	44 min
May 18, 5:14 PM CDT	Special Weather Statement	MOB	Conecuh	46 min
May 18, 5:49 PM CDT	Special Weather Statement	MOB	Wilcox	26 min
May 18, 6:04 PM CDT	Special Weather Statement	MOB	Wilcox	41 min
May 18, 6:05 PM CDT	Special Weather Statement	MOB	Wilcox	40 min
May 18, 6:50 PM CDT	Special Weather Statement	MOB	Wilcox	40 min
May 18, 12:42 PM CDT	Special Weather Statement	MOB	Okaloosa	48 min
May 18, 2:21 PM CDT	Special Weather Statement	MOB	Escambia	24 min
May 18, 2:47 PM CDT	Special Weather Statement	MOB	Escambia	28 min
May 18, 5:51 PM CDT	Special Weather Statement	MOB	George	39 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2023 Every severe thunderstorm warning in 2023

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.