Alert archive / Mississippi / Special Weather Statements in 2019

Special Weather Statement, NWS Mobile, AL

April 7, 2019Perry County, Stone County, Mississippi

NWS Mobile, AL issued this special weather statement at Apr 7, 2019, 10:07 PM CDT for Perry County, Stone County, Mississippi. It was in force for 53 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
Apr 7, 2019, 10:07 PM CDT (03:07 UTC)
Expired
Apr 7, 2019, 11:00 PM CDT
In force
53 min
Issued by
NWS Mobile, AL

Counties Perry County, MS, Stone County, MS

The radar

The Mobile radar (KMOB), 91 km from the middle of the area, began a volume at 03:09 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 00:00Z, 3.1 hours before the alert went out and 91 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 2019-04-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2475 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 00:00Z on 2019-04-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 170 square meters per square second.193958Sfc1 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
2475 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
454 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
170 m²/s²
0-3 km storm-relative helicity
161 m²/s²
Significant tornado parameter
1.6
Supercell composite
8.4

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 Apr 7, 9:26 PM CDT, 41 minutes earlier.

Area forecast discussion, Apr 7, 9:26 PM CDT, 41 minutes before
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Hazardous weather outlook, Apr 7, 8:47 AM CDT, 13 hours 20 minutes before
Hazardous Weather Outlook
National Weather Service Mobile AL
847 AM CDT Sun Apr 7 2019

ALZ051>060-261>264-FLZ201-203-205-MSZ067-075-076-078-079-081400-
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-
847 AM CDT Sun Apr 7 2019

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

.DAY ONE...Today and Tonight.

Areas of fog tonight could possibly create hazardous driving conditions
early this morning, and possibly once again late tonight.

A slight risk of severe storms will be possible late tonight,
mainly west of a Butler, Chatom, Lucedale line. A marginal risk of
severe storms is possible late tonight a little further to the
east, including interior southwest Alabama west of I-65 and
coastal Alabama. Damaging straight line winds and hail up to the
size of quarters will be the primary threats.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

There is a marginal risk of severe storms on Monday. Damaging wind
gusts and hail up to quarter size again the primary hazard.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed.

ALZ265-266-FLZ202-204-206-081400-
Mobile Coastal-Baldwin Coastal-Escambia Coastal-Santa Rosa Coastal-
Okaloosa Coastal-
847 AM CDT Sun Apr 7 2019

...HIGH RIP CURRENT RISK IN EFFECT FROM 7 PM CDT THIS EVENING
THROUGH MONDAY EVENING...

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.

Areas of dense fog, especially along the coast, will create
hazardous driving conditions late tonight.

A marginal risk of severe storms is possible late tonight a
little further to the east, including interior southwest Alabama
west of I-65 and coastal Alabama. Damaging straight line winds and
hail up to the size of quarters will be the primary threats.

There is a moderate risk for rip currents along the Gulf beaches of
Alabama and northwest Florida today, and a high risk of rip currents
tonight. This will bring hazardous conditions in the surf today
through Monday, posing a danger to swimmers.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

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.

There is a marginal risk of severe storms on Monday. Damaging wind
gusts and hail up to quarter size again the primary hazard.

A high risk of rip currents continues through Monday, bringing
hazardous conditions in the surf through Monday, posing a danger
to swimmers.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed.

GMZ630>636-650-655-670-675-081400-
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-
847 AM CDT Sun Apr 7 2019

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

.DAY ONE...Today and Tonight.

Areas of dense fog near shore and over bays and inland waterways
will be possible tonight.

Onshore winds begin to increase this afternoon, especially over
the Gulf waters. This could create hazardous conditions for small
craft.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Moderate to strong onshore flow will continue, especially over the
Gulf waters, Monday through early Tuesday, possibly creating
hazardous conditions for small craft. Winds and seas shift of
offshore and decrease slightly midweek, before becoming light
onshore once again by Thursday.

In the hours before

Special weather statement, Apr 7, 10:07 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
Apr 7, 10:49 PM CDTSpecial Weather StatementMOBWashington26 min
Apr 7, 11:23 PM CDTSpecial Marine WarningMOB97 min
Apr 7, 11:59 PM CDTSpecial Weather StatementMOBMobile31 min
Apr 8, 12:02 AM CDTSpecial Weather StatementMOBClarke43 min
Apr 8, 12:57 AM CDTSpecial Marine WarningMOB63 min
Apr 8, 1:38 AM CDTSpecial Weather StatementMOBBaldwin52 min
Apr 8, 1:46 AM CDTSpecial Marine WarningMOB89 min
Apr 8, 2:02 AM CDTSpecial Weather StatementMOBMonroe43 min
Apr 8, 2:26 AM CDTSpecial Weather StatementMOBConecuh, Escambia64 min
Apr 8, 3:16 AM CDTSpecial Marine WarningMOB89 min
Apr 8, 3:58 AM CDTSpecial Marine WarningMOB92 min
Apr 8, 4:32 AM CDTSpecial Marine WarningMOB58 min
Apr 8, 4:40 AM CDTSpecial Marine WarningMOB95 min
Apr 8, 6:37 AM CDTSpecial Marine WarningMOB83 min
Apr 8, 8:28 AM CDTSpecial Marine WarningMOB92 min
Apr 8, 8:29 AM CDTSpecial Marine WarningMOB76 min
Apr 8, 9:50 AM CDTRiver Flood WarningMOBChoctaw, Clarke, Washington21 days
Apr 8, 9:50 AM CDTRiver Flood WarningMOBChoctaw, Clarke, Washington21 days
Apr 8, 10:33 AM CDTSmall Craft AdvisoryMOB23 hr
Apr 8, 4:52 AM CDTSevere Thunderstorm WarningMOBOkaloosa38 min
Apr 8, 5:25 AM CDTSevere Thunderstorm WarningMOBOkaloosa31 min
Apr 8, 9:41 AM CDTSpecial Weather StatementMOBOkaloosa, Santa Rosa49 min
Apr 7, 10:56 PM CDTSpecial Weather StatementMOBGeorge, Greene, Perry, Wayne49 min

Nearby

Special Weather Statements in Mississippi, 2019Every special weather statement in 2019

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.