National Weather Service United States Department of Commerce
NWS Shreveport Aviation Weather Services
 
Local TAFs
LOUISIANA
Shreveport Regional (SHV) Monroe (MLU)
Tactical Decision Aid Tactical Decision Aid

000
FTUS44 KSHV 311120
TAFSHV
TAF
KSHV 311120Z 3112/0112 VRB03KT P6SM SCT250
FM311400 26007KT P6SM SCT250
FM010100 22004KT P6SM SCT250
FM010400 19004KT P6SM SCT250=

000
FTUS44 KSHV 311122
TAFMLU
TAF
KMLU 311122Z 3112/0112 VRB03KT 5SM BR SKC
FM311500 27005KT P6SM SKC
FM312200 21005KT P6SM SKC
FM010500 19003KT P6SM BKN250=
   
TEXAS
Tyler (TYR) Longview (GGG)
Tactical Decision Aid Tactical Decision Aid
000
FTUS44 KSHV 311120
TAFTYR
TAF
KTYR 311120Z 3112/0112 VRB04KT 6SM BR BKN250
     FM311400 22006KT P6SM FEW250
     FM311800 20006KT P6SM SKC
     FM010200 17004KT P6SM SKC=
224
FTUS44 KSHV 311120
TAFGGG
TAF
KGGG 311120Z 3112/0112 VRB03KT P6SM SKC
     FM311400 24006KT P6SM SCT250
     FM311800 21005KT P6SM FEW250
     FM010100 17004KT P6SM SKC
     FM010900 21004KT P6SM SKC=
Lufkin (LFK)
Tactical Decision Aid

232
FTUS44 KSHV 311120
TAFLFK
TAF
KLFK 311120Z 3112/0112 00000KT P6SM SKC
FM311400 24005KT P6SM SCT250
FM312000 18005KT P6SM BKN250
FM010300 16004KT P6SM SKC=
   
ARKANSAS
Texarkana (TXK) El Dorado (ELD)
Tactical Decision Aid Tactical Decision Aid
000
FTUS44 KSHV 311120
TAFTXK
TAF
KTXK 311120Z 3112/0112 VRB03KT P6SM SCT250
     FM311400 25006KT P6SM SKC
     FM010100 21004KT P6SM SKC=
000
FTUS44 KSHV 311123
TAFELD
TAF
KELD 311123Z 3112/0112 VRB03KT 4SM BR SKC
     FM311500 25005KT P6SM SKC
     FM010200 17002KT P6SM SKC
     FM010800 23002KT P6SM SKC=
 
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Regional TAFs
LOUISIANA
Alexandria (AEX) Baton Rouge (BTR)
Tactical Decision Aid Tactical Decision Aid
218
FTUS44 KLCH 311137
TAFAEX
TAF
KAEX 311137Z 3112/0112 VRB05KT P6SM SKC=
091
FTUS44 KLIX 311123
TAFBTR
TAF
KBTR 311123Z 3112/0112 VRB04KT P6SM FEW040 BKN250
     FM312100 27005KT P6SM VCTS SCT040CB
     FM010100 24005KT P6SM FEW040 SCT250=
Lake Charles (LCH) New Orleans (MSY)
Tactical Decision Aid Tactical Decision Aid

220
FTUS44 KLCH 311137
TAFLCH
TAF
KLCH 311137Z 3112/0112 VRB03KT P6SM SKC
FM311500 VRB05KT P6SM FEW040
FM312100 20008KT P6SM FEW040 FEW200
FM010100 VRB04KT P6SM FEW250=

089
FTUS44 KLIX 311123
TAFMSY
TAF
KMSY 311123Z 3112/0118 VRB04KT P6SM FEW040 BKN250
FM311900 31005KT P6SM VCTS SCT030CB
FM312300 23006KT P6SM SCT030 BKN110
FM011300 28005KT P6SM BKN035=
 
TEXAS
College Station (CLL) Dallas/Fort Worth International (DFW)
Tactical Decision Aid Tactical Decision Aid
000
FTUS44 KHGX 311130
TAFCLL
TAF
KCLL 311130Z 3112/0112 VRB04KT P6SM FEW010 BKN250
     FM311500 20005KT P6SM SCT035 BKN250
     FM312100 17008KT P6SM SCT050 SCT250
     FM010700 VRB04KT P6SM SCT250=
239
FTUS44 KFWD 311120
TAFDFW
TAF
KDFW 311120Z 3112/0118 17008KT P6SM FEW070 SCT250
     FM011500 25009KT P6SM VCSH SCT060 BKN250=
Dallas-Love Field (DAL) Houston-Bush Intercontinental (IAH)
Tactical Decision Aid Tactical Decision Aid
000
FTUS44 KFWD 311120
TAFDAL
TAF
KDAL 311120Z 3112/0112 17008KT P6SM FEW070 SCT250=
000
FTUS44 KHGX 311130
TAFIAH
TAF
KIAH 311130Z 3112/0118 17005KT P6SM SCT050 SCT250
     FM312000 18007KT P6SM VCTS SCT050CB SCT250
     FM010000 17007KT P6SM SCT040 SCT250
     FM010700 VRB03KT P6SM FEW020 SCT250
     FM011500 23005KT P6SM FEW040 SCT250=
Houston-Hobby (HOU)
Tactical Decision Aid
000
FTUS44 KHGX 311130
TAFHOU
TAF
KHOU 311130Z 3112/0112 VRB03KT P6SM SCT015 BKN250
     FM311500 20005KT P6SM SCT040 BKN250
     FM312000 19007KT P6SM VCTS SCT040CB SCT250
     FM010100 18006KT P6SM SCT040 BKN250
     FM010400 VRB03KT P6SM BKN250=
 
ARKANSAS
Hot Springs (HOT) Little Rock (LIT)
Tactical Decision Aid Tactical Decision Aid
000
FTUS44 KLZK 311120
TAFHOT
TAF
KHOT 311120Z 3112/0112 VRB02KT P6SM SKC
      TEMPO 3112/3113 5SM BR
     FM311600 24006KT P6SM SCT050
     FM010100 VRB03KT P6SM SCT250=
500
FTUS44 KLZK 311120
TAFLIT
TAF
KLIT 311120Z 3112/0112 VRB04KT P6SM SKC
     FM311600 21007KT P6SM SCT050
     FM010100 VRB03KT P6SM SCT250=
Pine Bluff (PBF)
Tactical Decision Aid
502
FTUS44 KLZK 311120
TAFPBF
TAF
KPBF 311120Z 3112/0112 VRB04KT P6SM SKC
     FM311600 21007KT P6SM SCT050
     FM010100 VRB03KT P6SM SCT250=
 
OKLAHOMA
McAlester (MLC) Oklahoma City-Will Rogers (OKC)
Tactical Decision Aid Tactical Decision Aid
000
FTUS44 KTSA 311120
TAFMLC
TAF
KMLC 311120Z 3112/0112 00000KT P6SM SKC
     FM311600 21007KT P6SM SCT050
     FM010100 19004KT P6SM SCT250=
000
FTUS44 KOUN 311124
TAFOKC
TAF
KOKC 311124Z 3112/0112 17007KT P6SM SKC
     FM311500 21010KT P6SM SCT050
     FM010600 04008KT P6SM BKN100=
Tulsa International (TUL)
Tactical Decision Aid
013
FTUS44 KTSA 311120
TAFTUL
TAF
KTUL 311120Z 3112/0112 00000KT P6SM SKC
     FM311600 21010KT P6SM SCT050
     FM010100 18005KT P6SM SCT250 PROB30 0106/0112 4SM -TSRA
      BKN050CB=
 
NWS-Shreveport Aviation Forecast Discussion
 
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Flight Category Definitions
Category Ceilings And/Or Visibilities
VFR Greater than 3000 ft AND Greater than 5 SM
MVFR Greater than or equal to 1000 ft, but less than or equal to 3000 ft AND/OR Greater than or equal to 3 SM, but less than or equal to 5 SM
IFR Greater than or equal to 500 ft, but less than 1000 ft AND/OR Greater than or equal to 1 SM, but less than 3 SM
LIFR Less than 500 ft AND/OR Less than 1 SM
 
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Southern Plains Southern Mississippi Valley
Southern Plains radar loop Southern Mississippi Valley radar loop
   
Shreveport (SHV) Base Reflectivity 0.5º Shreveport (SHV) Base Velocity 0.5º
Shreveport Radar Base Reflectivity 0.5 degrees Shreveport Radar Base Velocity 0.5 degrees
   
Fort Polk (POE) Base Reflectivity 0.5º Fort Polk (POE) Base Velocity 0.5º
Fort Polk Radar Base Reflectivity 0.5 degrees Fort Polk Radar Base Velocity 0.5 degrees
 
Fort Smith (SRX) Base Reflectivity 0.5º Fort Smith (SRX) Base Velocity 0.5º
Fort Smith Radar Base Reflectivity 0.5 degrees Fort Smith Radar Base Velocity 0.5 degrees
 
Little Rock (LZK) Base Reflectivity 0.5º Little Rock (LZK) Base Velocity 0.5º
Little Rock Radar Base Reflectivity 0.5 degrees Little Rock Radar Base Velocity 0.5 degrees
 
Inola (INX) Base Reflectivity 0.5º Inola (INX) Base Velocity 0.5º
Inola Radar Base Reflectivity 0.5 degrees Inola Radar Base Velocity 0.5 degrees
 
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Latest Observed Sounding from Shreveport
 
RAP Vertical Wind Forecasts
Shreveport Regional Airport (SHV) Monroe Regional Airport (MLU)
RAP Vertical Wind Forecast for Shreveport RAP Vertical Wind Forecast for Monroe
Tyler Pounds Regional Airport (TYR) Longview-East Texas Regional Airport (GGG)
RAP Vertical Wind Forecast for Tyler RAP Vertical Wind Forecast for Longview
Lufkin-Angelina County Airport (LFK) Texarkana Regional Airport-Webb Field (TXK)
RAP Vertical Wind Forecast for Lufkin RAP Vertical Wind Forecast for TXK
El Dorado-South Arkansas Regional Airport (ELD)
RAP Vertical Wind Forecast for El Dorado
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Latest Area Forecast Discussion (AFD)
000
FXUS64 KSHV 311126
AFDSHV

Area Forecast Discussion
National Weather Service Shreveport LA
626 AM CDT Sat Jul 31 2021

.AVIATION...

While VFR conditions are anticipated for this entire TAF period,
some MVFR visibilities can currently be found at KELD and KMLU.
This reduced vis should quickly mix out as the morning progresses.

/44/

&&

.PREV DISCUSSION... /issued 340 AM CDT Sat Jul 31 2021/

SHORT TERM.../Today through Tomorrow/

Make sure your coffee is iced, and morning shower cold before you
head out the door, because those things may be the only relief
you have from heat until Monday. It goes without saying, but
oppressive afternoon heat index values will continue to be the
main weather story over the next 36-hours under relentless upper-
level ridging. This ridge will be maximized today, which has
resulted in me expanding the Excessive Heat Warning that was
previously in place. The new warning covers all of our Louisiana
parishes, with the Heat Advisory continuing for all other portions
of the Four-States region. One thing of note regarding
temperatures, while the ridge is strongest today, I`ve actually
slightly trimmed back afternoon highs compared to tomorrow. As the
ridge breaks down ahead of the approaching trough and front in the
long-term, I think tomorrow will allow for some compressional
heating to take place ahead of that aforementioned front. As such,
tomorrow will be the first day I put triple-digits in the grids
for Shreveport proper, with widespread triple-digits elsewhere.

Regarding PoPs, most of this period continues to look dry. This
will change by Sunday night when that front begins to move
through the region. However, while there are no PoPs in the
forecast for today, I`m not entirely convinced the entire area
will remain dry. Given nuclear afternoon CAPE values, its entirely
possible the flap of a birds wing will be enough to set off a few
towers. Again, I do not have enough confidence to include
coverage in this forecast, but I wouldn`t be surprised if someone
got some thunder this afternoon.

/44/

LONG TERM.../Sunday Night through Friday Night/

At the start of the long-term period, the flow aloft will be
characterized by a highly amplified upper ridge over the Western
CONUS and a longwave trough over the Eastern CONUS/Eastern Canada.
Northwesterly flow aloft will bring a series of shortwave troughs
southeast across the Southern Plains and Mid/Lower Mississippi River
Valley. The first of these will move across the forecast area Sunday
night and during the day Monday. At the surface, a cold front will
be slowly moving south across the area and should be located near
the Interstate 30 corridor Sunday evening. Scattered to widespread
showers and thunderstorms should be ongoing both along and ahead of
the frontal boundary. The convection should become more focused
along the front during the day Monday as the shortwave trough moves
overhead. CAPE values should generally range from 2000-3000 J/kg in
the warm sector, but weak deep layer shear and lapse rates should
keep the overall severe weather potential limited. However, an
isolated severe storm or two with the potential for damaging winds
will be possible during the day Monday, especially along and south
of I-20.

The cold front should finally move south of the area Monday
night/early Tuesday morning, and showers and thunderstorms should
diminish from north to south as northerly winds advect considerably
drier low-level air into the region. The front will likely stall
just north of the I-10 corridor, with the 850 hPa front lagging
behind over Deep East Texas and Central Louisiana. Another weak
shortwave translating southeast over the area should result in more
scattered showers and thunderstorms across Texas and Louisiana south
of I-20, but with considerably lower coverage compared to Monday.

Dry weather should return Tuesday night, and the medium range models
are far less aggressive with precip chances after Wednesday compared
to previous runs. Another shortwave moving southeast should help to
push the front a little farther south, most likely far enough to
keep our precip chances very low for Wednesday, but I did hold on to
some slight-chance PoPs during peak afternoon heating south of I-20.
The ECMWF still maintains that the front may retreat northward on
Thursday, which would improve our rain chances, but not by much. The
front is expected to dissipate by Friday allowing southerly surface
flow and Gulf moisture to return. This will bring back the pattern
of isolated to widely scattered diurnal convection on a daily basis.

The big story will be the significantly cooler temperatures
beginning Monday. Daytime highs will likely fall back into the upper
80s to lower 90s and should generally hold steady through Thursday.
However, a warming trend is expected towards the end of the work
week and into the weekend, but temperatures should remain well below
the century mark through at least next Friday.

CN

&&

.PRELIMINARY POINT TEMPS/POPS...
SHV  99  80 100  76 /  10   0  30  60
MLU  99  79  99  74 /  10  10  40  70
DEQ  98  76  99  71 /   0   0  50  60
TXK  99  79 100  73 /   0   0  40  60
ELD  99  77  99  71 /   0   0  40  70
TYR  96  78  98  76 /   0   0  20  50
GGG  96  77  98  75 /   0   0  30  50
LFK  97  76  99  76 /  10   0  20  40

&&

.SHV WATCHES/WARNINGS/ADVISORIES...
AR...Heat Advisory until 7 PM CDT Sunday for ARZ050-051-059>061-
     070>073.

LA...Excessive Heat Warning until 7 PM CDT Sunday for LAZ001>006-
     010>014-017>022.

OK...Heat Advisory until 7 PM CDT Sunday for OKZ077.

TX...Heat Advisory until 7 PM CDT Sunday for TXZ096-097-108>112-
     124>126-136>138-149>153-165>167.

&&

$$

CN/44

   
Latest Hazardous Weather Outlook
850
FLUS44 KSHV 311106
HWOSHV

Hazardous Weather Outlook
National Weather Service Shreveport LA
606 AM CDT Sat Jul 31 2021

LAZ001>006-010>014-017>022-011100-
Caddo-Bossier-Webster-Claiborne-Lincoln-Union-De Soto-Red River-
Bienville-Jackson-Ouachita-Sabine-Natchitoches-Winn-Grant-
Caldwell-La Salle-
606 AM CDT Sat Jul 31 2021

This Hazardous Weather Outlook is for portions of north central
Louisiana and northwest Louisiana.

.DAY ONE...Today and Tonight...

An Excessive Heat Warning is in effect today for all of Northwest
and North Central Louisiana. Temperatures in the upper 90s to
lower 100s combined with high humidity will result in heat index
values above 110 degrees.

.DAYS TWO THROUGH SEVEN...Sunday through Friday...

Hot and humid conditions will continue across Northwest and North
Central Louisiana on Sunday. An Excessive Heat Warning is in
effect until 7 PM CDT Sunday evening. Temperatures in the upper
90s to lower 100s combined with high humidity will result in heat
index values above 110 degrees.

Scattered thunderstorms are possible Sunday afternoon and will
become widespread overnight and into the day Monday as a cold
front slowly moves south across the area. An isolated severe storm
or two cannot be ruled out during the day Monday, especially south
of Interstate 20. Damaging winds will be the primary threat.
Thunderstorm chances will gradually diminish from north to south
late Monday, but will persist along and south of Interstate 20
through Tuesday evening.

Isolated thunderstorms will be possible during peak daytime
heating hours Wednesday through Friday.

.SPOTTER INFORMATION STATEMENT...

Activation of emergency management personnel...amateur radio
operators...and storm spotters will not be needed.

$$

ARZ050-051-059>061-070>073-OKZ077-TXZ096-097-108>112-124>126-
136>138-149>153-165>167-011100-
Sevier-Howard-Little River-Hempstead-Nevada-Miller-Lafayette-
Columbia-Union-McCurtain-Red River-Bowie-Franklin-Titus-Camp-
Morris-Cass-Wood-Upshur-Marion-Smith-Gregg-Harrison-Cherokee-Rusk-
Panola-Nacogdoches-Shelby-Angelina-San Augustine-Sabine-
606 AM CDT Sat Jul 31 2021

This Hazardous Weather Outlook is for portions of south central
Arkansas, southwest Arkansas, southeast Oklahoma, east Texas and
northeast Texas.

.DAY ONE...Today and Tonight...

A Heat Advisory is in effect today for Southeast Oklahoma,
Southwest and South Central Arkansas, and all over East Texas.
Temperatures in the upper 90s to lower 100s combined with high
humidity will result in heat index values between 105 and 109
degrees.

.DAYS TWO THROUGH SEVEN...Sunday through Friday...

Hot and humid conditions will continue across the area on Sunday.
A Heat Advisory will remain in effect through 7 PM CDT Sunday
evening. Temperatures in the upper 90s to lower 100s combined with
high humidity will result in heat index values between 105 and
109 degrees.

Scattered thunderstorms are possible Sunday afternoon and will
become widespread overnight and into the day Monday as a cold
front slowly moves south across the area. An isolated severe storm
or two cannot be ruled out during the day Monday, especially south
of Interstate 20. Damaging winds will be the primary threat.
Thunderstorm chances will gradually diminish from north to south
late Monday, but will persist along and south of Interstate 20
through Tuesday evening.

Isolated thunderstorms will be possible during peak daytime
heating hours Wednesday through Friday.

.SPOTTER INFORMATION STATEMENT...

Activation of emergency management personnel...amateur radio
operators...and storm spotters will not be needed.

$$

09


 
 

 

 
IMPORTANT: This page is a tool to help pilots better visualize weather and weather-related hazards, and is not a substitute for a weather briefing obtained from a Flight Service Station (1-800-WXBRIEF). The information contained here does not meet the FAA requirements for a pre-flight weather brief. Therefore, it is important that pilots call and obtain a briefing from an FAA Flight Service Specialist.