Alert archive / Alabama / Special Weather Statements in 2019

Special Weather Statement, NWS Mobile, AL

July 9, 2019Washington County, Alabama

NWS Mobile, AL issued this special weather statement at Jul 9, 2019, 4:44 PM CDT for Washington County, Alabama. It was in force for 61 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
Jul 9, 2019, 4:44 PM CDT (21:44 UTC)
Expired
Jul 9, 2019, 5:45 PM CDT
In force
61 min
Issued by
NWS Mobile, AL

County Washington County, AL

The radar

The Mobile radar (KMOB), 73 km from the middle of the area, began a volume at 21:46 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, 9.7 hours before the alert went out and 175 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 2019-07-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1795 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 2019-07-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -9 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
1795 J/kg
Mixed-layer CIN
-36 J/kg
Mixed-layer LCL
924 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
-9 m²/s²
0-3 km storm-relative helicity
-21 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 Jul 9, 3:51 PM CDT, 53 minutes earlier.

Area forecast discussion, Jul 9, 3:51 PM CDT, 53 minutes before
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Hazardous weather outlook, Jul 9, 5:37 AM CDT, 11 hours 7 minutes before
Hazardous Weather Outlook...UPDATED
National Weather Service Mobile AL
537 AM CDT Tue Jul 9 2019

ALZ051>060-261>266-FLZ201>206-MSZ067-075-076-078-079-101045-
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-
537 AM CDT Tue Jul 9 2019

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

.DAY ONE...Today and Tonight

High heat index values ranging from 103 F to 107 F will continue
today, remaining just below 108 F advisory criteria. A few
isolated spots, especially over the western half of the forecast
area, could exceed the 108 criteria by mid afternoon. Stay tuned
for possible updates if needed.

Scattered to numerous showers and thunderstorms will develop by
this afternoon. Although widespread organized severe weather is
not expected a few storms could become strong with gusty straight
line winds, frequent lightning, and locally heavy rainfall being
the main threats. Due to better moisture content moving in from
the east some nuisance flooding will also be possible especially
over the eastern half of the forecast area late this afternoon and
this evening.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

High heat index values ranging from 103 F to 107 F will continue
on Wednesday, remaining just below 108 F advisory criteria.

Locally heavy rainfall, possibly leading to some minor flooding
in low lying areas, will be the main concern with scattered to
numerous showers and thunderstorms Wednesday through Saturday.
Gusty straight line winds will also be possible with with some of
the heavier showers and thunderstorms in the extended period.

There is a moderate risk of rip currents along the Gulf beaches
of Alabama and Northwest Florida on Wednesday followed by a High
risk Thursday and Friday. Increased surf heights will also be
likely Friday and over the weekend.

Tides above predicated levels will also be possible Friday and
over the weekend.

.SPOTTER INFORMATION STATEMENT...

Activation of SkyWarn severe spotter networks is not expected
through Monday.

GMZ630>636-650-655-670-675-101045-
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-
537 AM CDT Tue Jul 9 2019

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

.DAY ONE...Today and Tonight

Winds and seas will be higher near scattered to numerous showers
and thunderstorms later today and tonight.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

Hazardous conditions for small craft will be likely over the
marine area Thursday through Saturday.

Winds and seas will be higher near scattered to numerous showers
and thunderstorms Wednesday through Monday.

Tides above predicated levels will also be possible Friday
through Sunday.

In the hours before

Special weather statement, Jul 9, 3:39 PM CDT, 1 hour 5 minutes before
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Special weather statement, Jul 9, 3:47 PM CDT, 57 minutes before
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Special weather statement, Jul 9, 3:59 PM CDT, 45 minutes before
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Special weather statement, Jul 9, 4:14 PM CDT, 30 minutes before
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Special weather statement, Jul 9, 4:32 PM CDT, 12 minutes before
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Special weather statement, Jul 9, 4:44 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
Jul 8, 7:03 PM CDTSpecial Marine WarningMOB57 min
Jul 8, 8:12 PM CDTSpecial Marine WarningMOB63 min
Jul 8, 8:24 PM CDTSpecial Weather StatementMOBCovington36 min
Jul 8, 8:54 PM CDTSpecial Marine WarningMOB66 min
Jul 8, 11:33 PM CDTSpecial Marine WarningMOB27 min
Jul 9, 6:02 AM CDTSpecial Marine WarningMOB88 min
Jul 9, 7:50 AM CDTSpecial Marine WarningMOB85 min
Jul 9, 9:38 AM CDTSpecial Marine WarningMOB97 min
Jul 9, 12:01 PM CDTSpecial Marine WarningMOB89 min
Jul 9, 1:15 PM CDTSpecial Weather StatementMOBCrenshaw45 min
Jul 9, 1:23 PM CDTSpecial Marine WarningMOB82 min
Jul 9, 1:40 PM CDTSpecial Weather StatementMOBButler65 min
Jul 9, 1:45 PM CDTSpecial Weather StatementMOBCovington, Escambia45 min
Jul 9, 2:02 PM CDTSpecial Marine WarningMOB32 min
Jul 9, 2:02 PM CDTSpecial Weather StatementMOBMobile28 min
Jul 9, 2:05 PM CDTSpecial Marine WarningMOB25 min
Jul 9, 2:29 PM CDTSpecial Weather StatementMOBEscambia61 min
Jul 9, 2:41 PM CDTSpecial Marine WarningMOB94 min
Jul 9, 2:46 PM CDTSpecial Weather StatementMOBMobile44 min
Jul 9, 2:51 PM CDTSpecial Weather StatementMOBBaldwin39 min
Jul 9, 3:25 PM CDTSevere Thunderstorm WarningMOBBaldwin50 min
Jul 9, 3:28 PM CDTSpecial Marine WarningMOB92 min
Jul 9, 3:39 PM CDTSpecial Weather StatementMOBConecuh, Escambia51 min
Jul 9, 3:47 PM CDTSpecial Weather StatementMOBButler43 min
Jul 9, 3:59 PM CDTSpecial Weather StatementMOBMobile46 min
Jul 9, 4:01 PM CDTSpecial Marine WarningMOB89 min
Jul 9, 4:02 PM CDTSpecial Marine WarningMOB88 min
Jul 9, 4:14 PM CDTSpecial Weather StatementMOBBaldwin61 min
Jul 9, 4:32 PM CDTSpecial Weather StatementMOBCovington58 min
Jul 9, 4:36 PM CDTSpecial Marine WarningMOB84 min
Jul 9, 5:00 PM CDTSpecial Marine WarningMOB52 min
Jul 9, 11:51 AM CDTSevere Thunderstorm WarningMOBEscambia, Santa Rosa39 min
Jul 9, 12:26 PM CDTSpecial Weather StatementMOBEscambia64 min
Jul 9, 2:45 PM CDTSpecial Weather StatementMOBOkaloosa45 min
Jul 9, 2:56 PM CDTSevere Thunderstorm WarningMOBOkaloosa49 min
Jul 9, 3:19 PM CDTSevere Thunderstorm WarningMOBOkaloosa41 min

Nearby

Special Weather Statements in Alabama, 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.