Alert archive / Mississippi / Special Weather Statements in 2018

Special Weather Statement, NWS Mobile, AL

August 10, 2018George County, Mississippi

NWS Mobile, AL issued this special weather statement at Aug 10, 2018, 2:32 PM CDT for George County, Mississippi. It was in force for 28 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 10, 2018, 2:32 PM CDT (19:32 UTC)
Expired
Aug 10, 2018, 3:00 PM CDT
In force
28 min
Issued by
NWS Mobile, AL

County George County, MS

The radar

The Mobile radar (KMOB), 45 km from the middle of the area, began a volume at 19:34 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, 7.5 hours before the alert went out and 129 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 12:00Z on 2018-08-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2702 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, Slidell Radar S, LA at 12:00Z on 2018-08-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 50 square meters per square second.1939Sfc1 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
2702 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
632 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
50 m²/s²
0-3 km storm-relative helicity
41 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Aug 10, 12:32 PM CDT, 2 hours earlier.

Area forecast discussion, Aug 10, 12:32 PM CDT, 2 hours before
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  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
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</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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Hazardous weather outlook, Aug 10, 4:45 AM CDT, 9 hours 47 minutes before
Hazardous Weather Outlook
National Weather Service Mobile AL
445 AM CDT Fri Aug 10 2018

ALZ051>060-261>266-FLZ201>206-MSZ067-075-076-078-079-111230-
Choctaw-Washington-Clarke-Wilcox-Monroe-Conecuh-Butler-Crenshaw-
Escambia-Covington-Mobile Inland-Baldwin Inland-Mobile Central-
Baldwin Central-Mobile Coastal-Baldwin Coastal-Escambia Inland-
Escambia Coastal-Santa Rosa Inland-Santa Rosa Coastal-
Okaloosa Inland-Okaloosa Coastal-Wayne-Perry-Greene-Stone-George-
445 AM CDT Fri Aug 10 2018

This Hazardous Weather Outlook is for south central Alabama,
southwest Alabama, northwest Florida and southeast Mississippi.

.DAY ONE...Today and Tonight.

Heat index values of 100 to near 105 are possible this afternoon.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Heat index values of 100 to 105 are expected each afternoon through
the period, with localized higher values possible.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

GMZ630>636-650-655-670-675-111230-
Northern Mobile Bay-Southern Mobile Bay-Mississippi Sound-
Perdido Bay-Pensacola Bay System-Western Choctawhatchee Bay-
Eastern Choctawhatchee Bay-
Coastal waters from Pensacola FL to Pascagoula MS out 20 NM-
Coastal waters from Okaloosa Walton County Line FL to Pensacola FL
out 20 NM-Waters from Pensacola FL to Pascagoula MS from 20 to 60 NM-
Waters from Okaloosa Walton County Line FL to Pensacola FL from
20 to 60 NM-
445 AM CDT Fri Aug 10 2018

This Hazardous Weather Outlook is for the coastal waters of Alabama
and northwest Florida.

.DAY ONE...Today and Tonight.

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

No hazardous weather is expected at this time.

In the hours before

Special weather statement, Aug 10, 12:44 PM CDT, 1 hour 48 minutes before
Special Weather Statement
National Weather Service Mobile AL
1244 PM CDT FRI AUG 10 2018

ALZ054>058-060-101830-
Wilcox AL-Conecuh AL-Monroe AL-Butler AL-Covington AL-Crenshaw AL-
1244 PM CDT FRI AUG 10 2018

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT THE FOLLOWING
COUNTIES...BUTLER...NORTHEASTERN MONROE...NORTHWESTERN CRENSHAW...
SOUTHEASTERN WILCOX...CONECUH AND NORTHWESTERN COVINGTON COUNTIES
UNTIL 130 PM CDT...

At 1244 PM CDT, the strong thunderstorms were located along a line
extending from 11 miles southwest of Gordonville to 9 miles south of
Pine Apple to 6 miles northwest of Peterman, and moving southeast at
25 mph.

Winds gusts of 35 to 45 mph will be possible with these storms.

Locations impacted include...
Greenville, Evergreen, Peterman, Georgiana, McKenzie, Castleberry,
Beatrice, Pine Apple and I65 And US 84.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3127 8699 3126 8700 3173 8749 3187 8717
      3205 8701 3205 8686 3196 8686 3197 8637
      3177 8626
TIME...MOT...LOC 1744Z 302DEG 21KT 3201 8683 3174 8702 3165 8734
Special weather statement, Aug 10, 12:53 PM CDT, 1 hour 39 minutes before
Special Weather Statement
National Weather Service Mobile AL
1253 PM CDT FRI AUG 10 2018

ALZ054-101830-
Wilcox AL-
1253 PM CDT FRI AUG 10 2018

...A STRONG THUNDERSTORM WILL AFFECT THE FOLLOWING COUNTIES...CENTRAL
WILCOX COUNTY UNTIL 130 PM CDT...

At 1253 PM CDT, the strong thunderstorm was located 6 miles northwest
of Camden, moving southeast at 20 mph.

Winds gusts of 40 to 50 mph will be possible with this storm.

Locations impacted include...
Camden and Dannelly Reservoir.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 3213 8725 3212 8726 3212 8725 3210 8723
      3208 8719 3207 8719 3206 8718 3205 8718
      3205 8700 3188 8716 3183 8725 3183 8730
      3201 8750 3217 8736
TIME...MOT...LOC 1753Z 310DEG 19KT 3206 8736

JLH
Special weather statement, Aug 10, 2:32 PM CDT, 0 minutes before
Special Weather Statement
National Weather Service Mobile AL
232 PM CDT FRI AUG 10 2018

MSZ079-102000-
George MS-
232 PM CDT FRI AUG 10 2018

...A STRONG THUNDERSTORM WILL AFFECT THE FOLLOWING COUNTIES...
NORTHEASTERN GEORGE COUNTY UNTIL 300 PM CDT...

At 231 PM CDT, the strong thunderstorm was located 4 miles northwest
of Lucedale, moving east at 10 mph.

Wind gusts of 40 to 50 mph will be possible with this storm.

Locations impacted include...
Lucedale.

LAT...LON 3100 8872 3100 8843 3079 8842 3087 8877
TIME...MOT...LOC 1931Z 283DEG 9KT 3096 8866

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 9, 8:54 PM CDTAreal Flood AdvisoryMOBClarke, Monroe3 hr
Aug 10, 7:54 AM CDTSpecial Marine WarningMOB96 min
Aug 10, 8:22 AM CDTSpecial Marine WarningMOB83 min
Aug 10, 8:31 AM CDTSpecial Marine WarningMOB76 min
Aug 10, 12:44 PM CDTSpecial Weather StatementMOBButler, Conecuh, Crenshaw46 min
Aug 10, 12:53 PM CDTSpecial Weather StatementMOBWilcox37 min
Aug 10, 12:57 PM CDTSevere Thunderstorm WarningMOBWilcox28 min
Aug 10, 3:58 PM CDTSevere Thunderstorm WarningMOBBaldwin, Mobile32 min
Aug 10, 4:43 PM CDTSpecial Weather StatementMOBConecuh47 min
Aug 10, 4:48 PM CDTSpecial Weather StatementMOBEscambia42 min
Aug 10, 5:26 PM CDTSevere Thunderstorm WarningMOBCovington29 min
Aug 10, 5:59 PM CDTAreal Flood AdvisoryMOBConecuh, Covington, Escambia3 hr
Aug 10, 6:00 PM CDTSpecial Weather StatementMOBCovington45 min
Aug 10, 3:38 PM CDTSevere Thunderstorm WarningMOBWayne11 min

Nearby

Special Weather Statements in Mississippi, 2018Every special weather statement in 2018

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.