Alert archive / Louisiana / Small Craft Advisories in 2017

Small Craft Advisory 31, NWS New Orleans, LA

June 19, 2017

NWS New Orleans, LA issued this small craft advisory at Jun 19, 2017, 10:28 PM CDT. It was in force for 24 hr.

The area

The counties it named.

The facts

Issued
Jun 19, 2017, 10:28 PM CDT (03:28 UTC)
Expired
Jun 20, 2017, 10:30 PM CDT
In force
24 hr
Issued by
NWS New Orleans, LA

What forecasters said that day

The local office's own words before this small craft advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS New Orleans, LA wrote its last area forecast discussion before this small craft advisory went out at Jun 19, 8:30 PM CDT, 1 hour 58 minutes earlier.

Area forecast discussion, Jun 19, 8:30 PM CDT, 1 hour 58 minutes before
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Hazardous weather outlook, Jun 19, 11:18 AM CDT, 11 hours 10 minutes before
Hazardous Weather Outlook
National Weather Service New Orleans LA
1118 AM CDT Mon Jun 19 2017

GMZ530-532-534-536-538-550-552-555-557-570-572-575-577-LAZ034>037-
039-040-046>050-056>072-MSZ068>071-077-080>082-200430-
Lake Pontchartrain and Lake Maurepas-Mississippi Sound-
Lake Borgne-Chandeleur Sound-Breton Sound-
Coastal Waters from Port Fourchon LA to Lower Atchafalaya River
LA out 20 nm-
Coastal waters from the Southwest Pass of the Mississippi River
to Port Fourchon Louisiana out 20 NM-
Coastal Waters from Boothville LA to Southwest Pass of the
Mississippi River out 20 nm-
Coastal waters from Pascagoula Mississippi to Stake Island out
20 NM-
Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya
River LA from 20 to 60 NM-
Coastal waters from Southwest Pass of the Mississippi River to
Port Fourchon Louisiana from 20 to 60 NM-
Coastal Waters from Stake Island LA to Southwest Pass of the
Mississippi River from 20 to 60 nm-
Coastal waters from Pascagoula Mississippi to Stake Island
Louisiana out 20 to 60 NM-Pointe Coupee-West Feliciana-
East Feliciana-St. Helena-Washington-St. Tammany-Iberville-
West Baton Rouge-East Baton Rouge-Ascension-Livingston-Assumption-
St. James-St. John The Baptist-Upper Lafourche-St. Charles-
Upper Jefferson-Orleans-Upper Plaquemines-Upper St. Bernard-
Upper Terrebonne-Lower Terrebonne-Lower Lafourche-Lower Jefferson-
Lower Plaquemines-Lower St. Bernard-Northern Tangipahoa-
Southern Tangipahoa-Wilkinson-Amite-Pike-Walthall-Pearl River-
Hancock-Harrison-Jackson-
1118 AM CDT Mon Jun 19 2017

This Hazardous Weather Outlook is for portions of Southeast
Louisiana...South Mississippi and the adjacent coastal waters.

.DAY ONE...This Afternoon and Tonight

A marginal risk of severe thunderstorms exists for areas north of
the I-12 corridor in Southeast Louisiana and for all of Southwest
Mississippi today. The primary threat from any severe
thunderstorms will be strong damaging wind gusts. Any severe
thunderstorm activity should be isolated. All of the
thunderstorms
that form today, severe or non-severe, could produce frequent
lightning strikes and locally heavy downpours.

Small craft advisory conditions may develop tonight over the open
Gulf waters. An east wind of 20 to 25 knots and increasing seas
of
up to 10 feet are currently forecast for the Gulf waters tonight.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

The National Hurricane Center has a high chance of tropical
cyclone development during the next 2 days near the Yucatan
Peninsula and into the southern and central Gulf of Mexico. There
is still quite a bit of uncertainty in the evolution of this
system so please continue to follow the latest updates.

Depending on if a tropical system develops, east winds of 20 to
30 knots with higher gusts and waves of up to 14 feet may develop
over the open Gulf coastal waters Tuesday and Tuesday night.
Winds
may turn to the south at 20 to 25 knots by Wednesday and remain
at these levels through Friday. These conditions could result in
the continuation of Small Craft Advisories for portions of the
coastal waters Tuesday through Friday.

If the tropical system forms, persistent east and southeast winds
of 20 to 25 knots combined with high offshore seas could increase
tide levels 2 to 4 feet above normal levels on east facing shores
beginning Tuesday and lasting through Thursday.

A period of heavy rainfall could occur across Southeast Louisiana
and Southern Mississippi. A marginal to slight risk of excessive
rainfall is currently forecast for the area on Tuesday and
Wednesday. Rainfall totals of 4 to 8 inches could occur between
Tuesday and Friday along the Louisiana and Mississippi coasts
including metro New Orleans with localized rainfall potential
for 10 to 15 inches plus.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be requested at some point over the week.

The office that day

Everything else NWS New Orleans, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 20, 4:39 AM CDTCoastal Flood AdvisoryLIXSaint Bernard, Saint James, Saint John the Baptist21 hr
Jun 20, 10:22 AM CDTRiver Flood WarningLIXSaint Tammany4 days
Jun 20, 10:24 AM CDTRiver Flood WarningLIXSaint Tammany, Washington18 days
Jun 20, 10:24 AM CDTRiver Flood WarningLIXSaint Tammany19 days
Jun 20, 3:49 PM CDTSpecial Weather StatementLIXPlaquemines56 min
Jun 20, 6:59 PM CDTSpecial Weather StatementLIXJefferson, Plaquemines61 min
Jun 20, 10:27 AM CDTRiver Flood WarningLIXPearl River4 days
Jun 20, 10:27 AM CDTRiver Flood WarningLIXPearl River6 days
Jun 20, 10:30 AM CDTRiver Flood WarningLIXHarrison6 days
Jun 20, 10:32 AM CDTRiver Flood WarningLIXHarrison6 days
Jun 20, 10:34 AM CDTRiver Flood WarningLIXHarrison4 days
Jun 20, 10:36 AM CDTRiver Flood WarningLIXJackson14 days
Jun 20, 10:37 AM CDTRiver Flood WarningLIXJackson8 days

Nearby

Small Craft Advisories in Louisiana, 2017Every small craft advisory 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.