Alert archive / Alabama / Special Weather Statements in 2018

Special Weather Statement, NWS Mobile, AL

December 1, 2018Mobile County, Alabama

NWS Mobile, AL issued this special weather statement at Dec 1, 2018, 3:48 AM CST for Mobile County, Alabama. It was in force for 57 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
Dec 1, 2018, 3:48 AM CST (09:48 UTC)
Expired
Dec 1, 2018, 4:45 AM CST
In force
57 min
Issued by
NWS Mobile, AL

County Mobile County, AL

The radar

The Mobile radar (KMOB), 38 km from the middle of the area, began a volume at 09:51 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

Jackson, MS (KJAN), launched 00:00Z, 9.8 hours before the alert went out and 290 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 2018-12-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 17 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, Jackson, MS at 00:00Z on 2018-12-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 122 square meters per square second.1939587897Sfc1 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
17 J/kg
Mixed-layer CIN
-174 J/kg
Mixed-layer LCL
942 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
122 m²/s²
0-3 km storm-relative helicity
161 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 Dec 1, 12:02 AM CST, 3 hours 46 minutes earlier.

Area forecast discussion, Dec 1, 12:02 AM CST, 3 hours 46 minutes before
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Hazardous weather outlook, Nov 30, 6:04 AM CST, 21 hours 44 minutes before
Hazardous Weather Outlook
National Weather Service Mobile AL
604 AM CST Fri Nov 30 2018

ALZ265-266-FLZ202-204-206-011215-
Mobile Coastal-Baldwin Coastal-Escambia Coastal-Santa Rosa Coastal-
Okaloosa Coastal-
604 AM CST Fri Nov 30 2018

...HIGH RIP CURRENT RISK IN EFFECT THROUGH SUNDAY NIGHT...
...HIGH SURF ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 6 AM CST
SUNDAY...

This Hazardous Weather Outlook is for southwest Alabama and
northwest Florida.

.DAY ONE...Today and Tonight.

Please listen to NOAA Weather Radio or go to weather.gov/mob (see
Fast Access Product Section) for more information about the
following hazards.

   High Rip Current Risk.
   High Surf Advisory.

There is a high risk of rip currents along the beaches of southwest
Alabama and the western Florida panhandle. Life threatening rip
currents will be dangerous for all levels of swimmers. High surf
conditions along the beaches will begin tonight.

A storm system approaching from the west will bring a chance of
strong to severe thunderstorms late tonight southwest a line from
Waynesboro Mississippi to Navarre Beach Florida. Damaging
thunderstorm winds and short-lived isolated tornadoes will be the
main threats. In addition, brief periods of heavy rainfall could
result in some minor nuisance flooding.

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

The storm system will continue to bring a chance of strong to severe
thunderstorms through early Saturday afternoon. Damaging thunderstorm
winds and short-lived isolated tornadoes will be the main threats.
In addition, brief periods of heavy rainfall could result in some
minor nuisance flooding.

Please listen to NOAA Weather Radio or go to weather.gov/mob (see
Fast Access Product Section) for more information about the
following hazards.

   High Surf Advisory.
   High Rip Current Risk.

A high risk of rip currents and high surf conditions will remain
along the beaches of southwest Alabama and the western Florida
panhandle through Sunday night.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed.

ALZ051>060-261>264-FLZ201-203-205-MSZ067-075-076-078-079-011215-
Choctaw-Washington-Clarke-Wilcox-Monroe-Conecuh-Butler-Crenshaw-
Escambia-Covington-Mobile Inland-Baldwin Inland-Mobile Central-
Baldwin Central-Escambia Inland-Santa Rosa Inland-Okaloosa Inland-
Wayne-Perry-Greene-Stone-George-
604 AM CST Fri Nov 30 2018

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

.DAY ONE...Today and Tonight.

A storm system approaching from the west will bring a chance of
strong to severe thunderstorms late tonight southwest a line from
Waynesboro Mississippi to Navarre Beach Florida. Damaging
thunderstorm winds and short-lived isolated tornadoes will be the
main threats. In addition, brief periods of heavy rainfall could
result in some minor nuisance flooding.

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

The storm system will continue to bring a chance of strong to severe
thunderstorms through early Saturday afternoon across the entire area.
Damaging thunderstorm winds and short-lived isolated tornadoes will
be the main threats. In addition, brief periods of heavy rainfall
could result in some minor nuisance flooding.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed.

GMZ630>636-650-655-670-675-011215-
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-
604 AM CST Fri Nov 30 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 6 AM CST
SUNDAY...

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

.DAY ONE...Today and Tonight.

Please listen to NOAA Weather Radio or go to weather.gov/mob (see
Fast Access Product Section) for more information about the
following hazards.

   Small Craft Advisory.

Small craft operating on the gulf waters, the Mississippi Sound,
and southern Mobile Bay should exercise caution today. A strong
southerly flow and building seas will likley create hazardous
conditions to small craft beginning tonight across all marine zones.

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

Please listen to NOAA Weather Radio or go to weather.gov/mob (see
Fast Access Product Section) for more information about the
following hazards.

   Small Craft Advisory.

A strong southerly flow and building seas will likley create
hazardous conditions to small craft Saturday and Saturday night.

In the hours before

Special weather statement, Dec 1, 3:48 AM CST, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Dec 1, 3:33 AM CSTSpecial Marine WarningMOB87 min
Dec 1, 3:42 AM CSTSpecial Marine WarningMOB93 min
Dec 1, 5:31 AM CSTSpecial Marine WarningMOB14 min
Dec 1, 7:10 AM CSTSpecial Marine WarningMOB55 min
Dec 1, 8:31 AM CSTSpecial Marine WarningMOB89 min
Dec 1, 10:00 AM CSTSpecial Marine WarningMOB2 hr
Dec 1, 11:55 AM CSTSpecial Marine WarningMOB35 min
Dec 1, 12:33 PM CSTAreal Flood AdvisoryMOBBaldwin3 hr
Dec 1, 12:37 PM CSTSpecial Marine WarningMOB23 min
Dec 1, 1:15 PM CSTFlash Flood WarningMOBBaldwin6 hr
Dec 1, 2:01 PM CSTSpecial Marine WarningMOB27 min
Dec 1, 4:52 PM CSTSpecial Marine WarningMOB83 min
Dec 1, 5:31 PM CSTSpecial Marine WarningMOB89 min
Dec 1, 5:33 AM CSTSpecial Weather StatementMOBEscambia42 min
Dec 1, 12:34 PM CSTSpecial Weather StatementMOBEscambia, Santa Rosa41 min
Dec 1, 4:51 PM CSTSpecial Weather StatementMOBOkaloosa39 min
Dec 1, 5:16 PM CSTAreal Flood AdvisoryMOBOkaloosa3 hr
Dec 1, 5:34 PM CSTSpecial Weather StatementMOBEscambia41 min
Dec 1, 5:35 PM CSTSpecial Weather StatementMOBOkaloosa40 min

Nearby

Special Weather Statements in Alabama, 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.