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Hazardous Weather Outlook...UPDATED
National Weather Service Huntsville AL
1057 PM CDT Thu Aug 17 2017

ALZ001>010-016-TNZ076-096-097-181030-
Lauderdale-Colbert-Franklin AL-Lawrence-Limestone-Madison-Morgan-
Marshall-Jackson-De Kalb-Cullman-Moore-Lincoln-Franklin TN-
1057 PM CDT Thu Aug 17 2017

This Hazardous Weather Outlook is for north Alabama and portions of
southern middle Tennessee.

.DAY ONE...Remainder of tonight...

Isolated to widely scattered thunderstorms will be possible for most
of the region through Midnight. Brief wind gusts of 30 to 40 mph,
lightning and locally heavy downpours will be the main threats with
this activity.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday...

Additional thunderstorms are possible Friday morning as a weak cold
front moves across the area. Thunderstorm chances will decrease from
the northwest to southeast in the afternoon as drier air filters in
from the north.

Isolated to scattered thunderstorms will return to the forecast
Monday through Wednesday. Another cold front nearing the area during
Wednesday could bring strong thunderstorms to the region, with gusty
winds and heavy downpours the primary threats.

.SPOTTER CALL TO ACTION STATEMENT...

Activation of storm spotters and emergency management personnel is
not anticipated at this time.

$$

70/DD

Hazardous Weather Outlook
National Weather Service Memphis TN
317 PM CDT Thu Aug 17 2017

ARZ008-009-017-018-026>028-035-036-048-049-058-MOZ113-115-
MSZ001>017-020>024-TNZ001>004-019>022-048>055-088>092-182230-
Alcorn-Benton MS-Benton TN-Calhoun-Carroll-Chester-Chickasaw-Clay-
Coahoma-Craighead-Crittenden-Crockett-Cross-DeSoto-Decatur-
Dunklin-Dyer-Fayette-Gibson-Greene-Hardeman-Hardin-Haywood-
Henderson-Henry-Itawamba-Lafayette-Lake-Lauderdale-Lawrence-
Lee AR-Lee MS-Madison-Marshall-McNairy-Mississippi-Monroe-Obion-
Panola-Pemiscot-Phillips-Poinsett-Pontotoc-Prentiss-Quitman-
Randolph-Shelby-St. Francis-Tallahatchie-Tate-Tippah-Tipton-
Tishomingo-Tunica-Union-Weakley-Yalobusha-
317 PM CDT Thu Aug 17 2017

This hazardous weather outlook is for portions of East Arkansas...
the Missouri Bootheel...North Mississippi...and West Tennessee.

.DAY ONE...This Afternoon and Tonight

A few strong thunderstorms will be possible this evening across
areas of the Mid-South east of the Mississippi River. The main
threats from these storms would be from damaging winds. Locally
heavy rainfall will also be possible.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

The probability of widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated at this time.

$$

ZDM

Hazardous Weather Outlook
National Weather Service Jackson MS
241 PM CDT Thu Aug 17 2017

MSZ030>033-038-039-043>046-050>052-057-058-181945-
Clay-Lowndes-Choctaw-Oktibbeha-Winston-Noxubee-Madison MS-Leake-
Neshoba-Kemper-Scott-Newton-Lauderdale-Jasper-Clarke-
241 PM CDT Thu Aug 17 2017

This hazardous weather outlook is for portions of central
Mississippi, east central Mississippi, and northeast Mississippi.

.DAY ONE...Tonight and Friday

SEVERE THUNDERSTORMS
THREAT...Marginal
TIMING...Through the remainder of this afternoon

Isolated severe storms will bring the risk of some damaging winds
and locally heavy rainfall.

(www.weather.gov/images/jan/graphicast/image2.png)

.DAYS TWO THROUGH SEVEN...Friday night through Wednesday

The probability for widespread hazardous weather is low.

.SPOTTER CALL TO ACTION STATEMENT...
The activation of storm spotters, HAM radio operators, and
emergency management personnel in support of severe weather
operations may be needed for portions of the region remainder
of the afternoon.

$$

Hazardous Weather Outlook
National Weather Service Jackson MS
241 PM CDT Thu Aug 17 2017

LAZ007-008-MSZ066-181945-
Morehouse-West Carroll-Jones-
241 PM CDT Thu Aug 17 2017

This hazardous weather outlook is for portions of northeast
Louisiana, and southeast Mississippi.

.DAY ONE...Tonight and Friday

EXCESSIVE HEAT
THREAT...Limited
TIMING...Friday

Maximum heat index values near 105 degrees are possible portions
of Northeast Louisiana and South Mississippi on Friday.

.DAYS TWO THROUGH SEVEN...Friday night through Wednesday

The probability for widespread hazardous weather is low.

.SPOTTER CALL TO ACTION STATEMENT...
The activation of storm spotters, HAM radio operators, and
emergency management personnel in support of severe weather
operations is not expected through next Wednesday.

$$

Hazardous Weather Outlook
National Weather Service Jackson MS
241 PM CDT Thu Aug 17 2017

MSZ049-056-181945-
Rankin-Smith-
241 PM CDT Thu Aug 17 2017

This hazardous weather outlook is for portions of central
Mississippi.

.DAY ONE...Tonight and Friday

SEVERE THUNDERSTORMS
THREAT...Marginal
TIMING...Through the remainder of this afternoon

EXCESSIVE HEAT
THREAT...Limited
TIMING...Through the remainder of this afternoon

Isolated severe storms will bring the risk of some damaging winds
and locally heavy rainfall. Heat stress is possible today as
afternoon temperatures in the lower 90s combine with high humidity
to produce heat indices near 105 degrees.

(www.weather.gov/images/jan/graphicast/image1.png)
(www.weather.gov/images/jan/graphicast/image2.png)

.DAYS TWO THROUGH SEVEN...Friday night through Wednesday

The probability for widespread hazardous weather is low.

.SPOTTER CALL TO ACTION STATEMENT...
The activation of storm spotters, HAM radio operators, and
emergency management personnel in support of severe weather
operations may be needed for portions of the region remainder
of the afternoon.

$$

21

&&

...HAZARD LEGEND...

*SEVERE THUNDERSTORMS*
High...Significant severe thunderstorms are expected.
Moderate...Severe storms expected with significant
 severe weather possible.
Enhanced...Severe storms expected.
Slight...Severe storms possible.
Marginal...Isolated severe storms possible.

*EXCESSIVE HEAT*
Extreme...Maximum heat index greater than 110 degrees for 3 or
 more days in a row and/or air temperatures greater than 107
 degrees.
Significant...Maximum heat index greater than 110 degrees
 and/or air temperatures greater than 105 degrees.
Elevated...Maximum heat index 105 to 110 degrees and/or air
 temperatures greater than 103 degrees.
Limited...Maximum heat index near 105 degrees and/or air
 temperatures 100 to 103 degrees.


...USEFUL WEATHER WEB PAGES (URLS)...

NWS JAN Home page...
   www.weather.gov/jan
Stay Aware, Stay Safe NWS JAN Briefing Page...
   www.weather.gov/jan/safe
Latest Weather Briefing...
   www.weather.gov/jan/weather_briefing

Tropical page...
   www.weather.gov/jan/tropical
National Hurricane Center Home Page...
   www.nhc.noaa.gov/
Find NWS JAN on Facebook...
   www.facebook.com/NWSJacksonMS
Follow NWS JAN on Twitter...
   @NWSJacksonMS
Follow NWS JAN on Youtube...
   www.youtube.com/user/NWSJacksonMiss

...ADDITIONAL URLS FOR SEVERE WEATHER ISSUES...

Storm Prediction Center (SPC)...
   www.spc.noaa.gov/
Meso Analysis...
   www.spc.noaa.gov/exper/mesoanalysis/
Day 1 through 3 Outlooks...
   www.spc.noaa.gov/products/outlook/
Storm Reports...
   www.spc.noaa.gov/climo/online/

Hazardous Weather Outlook
National Weather Service Nashville TN
523 AM CDT Thu Aug 17 2017

TNZ005>011-023>034-056>066-075-077>080-093>095-181030-
Stewart-Montgomery-Robertson-Sumner-Macon-Clay-Pickett-Houston-
Humphreys-Dickson-Cheatham-Davidson-Wilson-Trousdale-Smith-
Jackson-Putnam-Overton-Fentress-Perry-Hickman-Lewis-Williamson-
Maury-Marshall-Rutherford-Cannon-De Kalb-White-Cumberland-Bedford-
Coffee-Warren-Grundy-Van Buren-Wayne-Lawrence-Giles-
523 AM CDT Thu Aug 17 2017

This Hazardous Weather Outlook is for portions of Middle
Tennessee.

.DAY ONE...Today and Tonight

Scattered strong thunderstorms are possible this afternoon and
evening. Strong gusty winds and locally heavy downpours producing
brief localized street flooding are the main concerns.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated at this time.

$$

Hazardous Weather Outlook
National Weather Service Mobile AL
503 AM CDT Thu Aug 17 2017

ALZ051>060-261>266-FLZ201>206-MSZ067-075-076-078-079-181015-
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-
503 AM CDT Thu Aug 17 2017

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

.DAY ONE...Today and Tonight

Heat indices will range from around 102 to 107 degrees today.

Isolated to scattered will develop late this morning into the
afternoon hours, initially near the coast and then spreading
inland with the sea breeze. The stronger storms that develop will
be capable of producing torrential downpours, which could result
in localized flooding of urban and low lying areas. Frequent cloud
to ground lightning strikes will accompany most of the storms,
and brief strong and gusty winds will also be possible with any of
the stronger storms.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Afternoon heat indices are expected to continue ranging from
around 101 to 106 degrees throughout the next seven days.

Scattered showers and thunderstorms will continue through the
period as well, especially during the afternoon and evening hours.
Locally heavy rain, frequent cloud to ground lightning and gusty
straight line winds possible with any stronger thunderstorms that
develop. Torrential downpours could result in localized flooding.

.SPOTTER INFORMATION STATEMENT...

Activation of SkyWarn Severe Storm Spotter networks is not expected
through Wednesday.

$$

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
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