Alert archive / Mississippi / Special Weather Statements in 2020

Special Weather Statement, NWS Mobile, AL

August 25, 2020George County, Mississippi

NWS Mobile, AL issued this special weather statement at Aug 25, 2020, 3:49 PM CDT for George County, Mississippi. It was in force for 26 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 25, 2020, 3:49 PM CDT (20:49 UTC)
Expired
Aug 25, 2020, 4:15 PM CDT
In force
26 min
Issued by
NWS Mobile, AL

County George County, MS

The radar

The Mobile radar (KMOB), 37 km from the middle of the area, began a volume at 20:51 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, 8.8 hours before the alert went out and 145 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 2020-08-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1596 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 2020-08-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 127 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
1596 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
471 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
127 m²/s²
0-3 km storm-relative helicity
93 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 25, 1:24 PM CDT, 2 hours 25 minutes earlier.

Area forecast discussion, Aug 25, 1:24 PM CDT, 2 hours 25 minutes before
Area Forecast Discussion
National Weather Service Mobile AL
124 PM CDT Tue Aug 25 2020

.NEAR TERM /Today/...As the Hires Models were indicating,
convective coverage has greatly decreased across our area. There
is a new cluster of showers and storms out over the Gulf generally
moving northwestward, and will possibly affect coastal sections
of the extreme western Florida panhandle and coastal Alabama
later this afternoon. Did lower PoPs slightly for today, but left
chance to low end likely PoPs over the southwestern zones to
account for this, and also likely Pops up over our northwestern
zones where most of the still lingering showers and storms are
located. Otherwise, no changes. /12

&&

.AVIATION...
25/18Z issuance...IFR to MVFR ceilings with isolated to scattered
showers will continue through this afternoon and into the evening
hours. Visibility could be briefly lower in and near the heavier
showers and storms. Surface winds mainly southeasterly at 10 to 15
knots, but stronger and more variable in and near convection. By
early Wednesday morning surface winds are expected to become more
easterly. /12

&&

.MOB WATCHES/WARNINGS/ADVISORIES...
AL...High Rip Current Risk through Friday afternoon for ALZ265-266.

     High Surf Advisory until 7 PM CDT Wednesday for ALZ265-266.

     Coastal Flood Advisory until 7 PM CDT Wednesday for ALZ263>266.

FL...High Rip Current Risk through Friday afternoon for FLZ202-204-
     206.

     High Surf Advisory until 7 PM CDT Wednesday for FLZ202-204-206.

MS...None.
GM...Small Craft Advisory until 6 AM CDT Thursday for GMZ650-655-670-
     675.

&&

This product is also available on the web at:
http://weather.gov/mob

In the hours before

Special weather statement, Aug 25, 2:25 PM CDT, 1 hour 24 minutes before
Special Weather Statement
National Weather Service Mobile AL
225 PM CDT Tue Aug 25 2020

ALZ263-265-252000-
Mobile Coastal AL-Mobile Central AL-
225 PM CDT Tue Aug 25 2020

...A STRONG THUNDERSTORM WILL AFFECT THE FOLLOWING COUNTIES...
SOUTHWESTERN MOBILE COUNTY UNTIL 300 PM CDT...

At 225 PM CDT, the strong thunderstorm was located near Bayou La
Batre, moving north at 35 mph.

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

Locations impacted include...
Tillmans Corner, Theodore, Grand Bay, Bayou La Batre and I10 And I65.

LAT...LON 3040 8833 3040 8835 3041 8835 3056 8841
      3068 8841 3068 8808 3062 8809 3061 8812
      3060 8811 3061 8810 3058 8810 3059 8811
      3059 8812 3057 8810 3039 8813
TIME...MOT...LOC 1925Z 158DEG 28KT 3044 8821
Special weather statement, Aug 25, 2:29 PM CDT, 1 hour 20 minutes before
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Special weather statement, Aug 25, 3:18 PM CDT, 31 minutes before
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Local storm report, Aug 25, 3:28 PM CDT, 21 minutes before
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Special weather statement, Aug 25, 3:38 PM CDT, 11 minutes before
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Special weather statement, Aug 25, 3:49 PM CDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 24, 8:23 PM CDTSpecial Marine WarningMOB97 min
Aug 24, 9:59 PM CDTSpecial Marine WarningMOB46 min
Aug 24, 10:21 PM CDTSpecial Marine WarningMOB47 min
Aug 25, 12:20 AM CDTSpecial Weather StatementMOBCovington25 min
Aug 25, 12:35 AM CDTSpecial Weather StatementMOBCovington25 min
Aug 25, 6:00 AM CDTSpecial Weather StatementMOBBaldwin45 min
Aug 25, 6:48 AM CDTSpecial Marine WarningMOB57 min
Aug 25, 6:48 AM CDTSpecial Weather StatementMOBMobile42 min
Aug 25, 7:04 AM CDTAreal Flood AdvisoryMOBChoctaw, Clarke, Wilcox3 hr
Aug 25, 7:11 AM CDTSpecial Marine WarningMOB64 min
Aug 25, 7:59 AM CDTSpecial Weather StatementMOBBaldwin46 min
Aug 25, 8:12 AM CDTFlash Flood WarningMOBChoctaw, Washington6 hr
Aug 25, 8:49 AM CDTSpecial Weather StatementMOBBaldwin41 min
Aug 25, 12:16 PM CDTSpecial Marine WarningMOB59 min
Aug 25, 12:34 PM CDTSpecial Marine WarningMOB56 min
Aug 25, 1:14 PM CDTSpecial Marine WarningMOB61 min
Aug 25, 1:16 PM CDTSpecial Weather StatementMOBMobile59 min
Aug 25, 1:21 PM CDTSpecial Marine WarningMOB39 min
Aug 25, 2:01 PM CDTSpecial Marine WarningMOB44 min
Aug 25, 2:07 PM CDTSpecial Marine WarningMOB53 min
Aug 25, 2:25 PM CDTSpecial Weather StatementMOBMobile35 min
Aug 25, 2:29 PM CDTSpecial Weather StatementMOBBaldwin46 min
Aug 25, 3:07 PM CDTSpecial Marine WarningMOB38 min
Aug 25, 3:18 PM CDTSpecial Weather StatementMOBBaldwin27 min
Aug 25, 3:23 PM CDTSpecial Marine WarningMOB22 min
Aug 25, 3:38 PM CDTSpecial Weather StatementMOBMobile37 min
Aug 25, 7:33 AM CDTAreal Flood AdvisoryMOBWayne3 hr
Aug 25, 8:41 AM CDTSpecial Weather StatementMOBWayne49 min
Aug 25, 11:04 AM CDTSpecial Weather StatementMOBGreene26 min
Aug 25, 4:12 PM CDTSpecial Weather StatementMOBGreene33 min
Aug 25, 4:14 PM CDTSpecial Weather StatementMOBWayne31 min
Aug 25, 4:20 PM CDTSpecial Weather StatementMOBPerry25 min
Aug 25, 4:33 PM CDTSpecial Weather StatementMOBGreene27 min

Nearby

Special Weather Statements in Mississippi, 2020Every special weather statement in 2020

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.