Alert archive / Alabama / Special Weather Statements in 2017

Special Weather Statement, NWS Mobile, AL

June 29, 2017Mobile County, Alabama

NWS Mobile, AL issued this special weather statement at Jun 29, 2017, 5:11 AM CDT for Mobile County, Alabama. It was in force for 49 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
Jun 29, 2017, 5:11 AM CDT (10:11 UTC)
Expired
Jun 29, 2017, 6:00 AM CDT
In force
49 min
Issued by
NWS Mobile, AL

County Mobile County, AL

The radar

The Mobile radar (KMOB), 13 km from the middle of the area, began a volume at 10:13 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, 10.2 hours before the alert went out and 137 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 2017-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 5 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 2017-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -12 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
5 J/kg
Mixed-layer CIN
-73 J/kg
Mixed-layer LCL
897 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
-12 m²/s²
0-3 km storm-relative helicity
-7 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 Jun 29, 4:43 AM CDT, 28 minutes earlier.

Area forecast discussion, Jun 29, 4:43 AM CDT, 28 minutes before
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Hazardous weather outlook, Jun 28, 5:16 AM CDT, 23 hours 55 minutes before
Hazardous Weather Outlook
National Weather Service Mobile AL
516 AM CDT Wed Jun 28 2017

ALZ051>060-261>266-FLZ201>206-MSZ067-075-076-078-079-291030-
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-
516 AM CDT Wed Jun 28 2017

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

.DAY ONE...Today and Tonight

Many area rivers remain in flood...some still Moderate with crests
expected today.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

Moderate risk of rip currents today.

Heavy downpours will accompany thunderstorms from this afternoon
through late Thursday. Nuisance flooding of poor drainage and low
lying areas possible. Remember, between one and two inches of
rain per hour over an urban area can cause flash flooding. Turn
around don't drown!

Another round of rain will cause rises once again on the smaller
rivers, especially interior southeast MS and northwest Florida.

.SPOTTER INFORMATION STATEMENT...Spotters not required.

GMZ630>635-650-655-670-675-291030-
Northern Mobile Bay-Southern Mobile Bay-Mississippi Sound-
Perdido Bay-Pensacola Bay System-Choctawhatchee Bay-
Coastal waters from Pensacola FL to Pascagoula MS out 20 NM-
Coastal waters from Destin to Pensacola FL out 20 NM-
Waters from Pensacola FL to Pascagoula MS from 20 to 60 NM-
Waters from Destin to Pensacola FL from 20 to 60 NM-
516 AM CDT Wed Jun 28 2017

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 thunderstorms through
tonight. Waterspouts possible offshore.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

Winds and seas will be higher near scattered thunderstorms each
day. Waterspouts possible.

In the hours before

Special weather statement, Jun 29, 4:17 AM CDT, 54 minutes before
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Special weather statement, Jun 29, 4:56 AM CDT, 15 minutes before
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Special weather statement, Jun 29, 5:11 AM CDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 28, 8:13 PM CDTAreal Flood AdvisoryMOBBaldwin3 hr
Jun 29, 2:37 AM CDTFlash Flood WatchMOBBaldwin, Mobile19 hr
Jun 29, 4:35 AM CDTSpecial Marine WarningMOB55 min
Jun 29, 5:55 AM CDTAreal Flood AdvisoryMOBMobile3 hr
Jun 29, 6:33 AM CDTSpecial Marine WarningMOB57 min
Jun 29, 6:38 AM CDTAreal Flood AdvisoryMOBBaldwin, Mobile, Washington112 min
Jun 29, 7:01 AM CDTAreal Flood AdvisoryMOBMobile3 hr
Jun 29, 7:09 AM CDTAreal Flood AdvisoryMOBBaldwin3 hr
Jun 29, 7:41 AM CDTAreal Flood AdvisoryMOBBaldwin, Clarke, Monroe, Washington3 hr
Jun 29, 7:45 AM CDTAreal Flood AdvisoryMOBEscambia3 hr
Jun 29, 8:22 AM CDTSpecial Marine WarningMOB83 min
Jun 29, 9:44 AM CDTSpecial Marine WarningMOB61 min
Jun 29, 9:46 AM CDTSpecial Marine WarningMOB59 min
Jun 29, 10:51 AM CDTRiver Flood WarningMOBBaldwin, Mobile56 hr
Jun 29, 11:15 AM CDTAreal Flood AdvisoryMOBCovington3 hr
Jun 29, 3:54 PM CDTSpecial Weather StatementMOBMobile51 min
Jun 29, 4:36 PM CDTSpecial Weather StatementMOBMobile54 min
Jun 29, 4:39 PM CDTSpecial Marine WarningMOB66 min
Jun 29, 4:48 PM CDTAreal Flood AdvisoryMOBMobile3 hr
Jun 29, 4:57 PM CDTSpecial Weather StatementMOBBaldwin63 min
Jun 29, 5:29 PM CDTSpecial Weather StatementMOBBaldwin61 min
Jun 29, 5:39 PM CDTSpecial Weather StatementMOBBaldwin51 min
Jun 29, 5:44 PM CDTSpecial Marine WarningMOB61 min
Jun 29, 6:12 PM CDTSpecial Marine WarningMOB93 min
Jun 29, 4:56 AM CDTSpecial Weather StatementMOBOkaloosa64 min
Jun 29, 5:32 AM CDTAreal Flood AdvisoryMOBOkaloosa, Santa Rosa3 hr
Jun 29, 6:22 AM CDTAreal Flood AdvisoryMOBOkaloosa, Santa Rosa3 hr
Jun 29, 9:18 AM CDTFlash Flood WarningMOBEscambia, Santa Rosa6 hr
Jun 29, 9:30 AM CDTAreal Flood AdvisoryMOBOkaloosa, Santa Rosa3 hr
Jun 29, 12:28 PM CDTAreal Flood AdvisoryMOBOkaloosa, Santa Rosa3 hr
Jun 29, 4:11 AM CDTAreal Flood AdvisoryMOBGeorge, Perry, Stone3 hr
Jun 29, 4:17 AM CDTSpecial Weather StatementMOBGeorge, Perry, Stone58 min

Nearby

Special Weather Statements in Alabama, 2017Every special weather statement in 2017

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.