National Weather Service United States Department of Commerce

Highest Severe Thunderstorm Threat Centered Over the Mid-Mississippi Valley Thursday

Strong to severe thunderstorms capable of damaging wind gusts, large hail, and perhaps a couple tornadoes, are likely Thursday from parts of the lower Ohio Valley into the southern Plains. An Enhanced Risk (Level 3 of 5) outlook has been issued. Further north, a warm front will bring areas of rain showers to portions of the Great Lakes and Northeast U.S. Read More >

NWS Shreveport Aviation Weather Services
 
Local TAFs
LOUISIANA
Shreveport Regional (SHV) Monroe (MLU)
Tactical Decision Aid Tactical Decision Aid

000
FTUS44 KSHV 180527
TAFSHV
TAF
KSHV 180527Z 1806/1906 17009KT P6SM FEW040 OVC180
FM181200 16005KT 6SM BR OVC010
FM181500 16005KT P6SM OVC015
FM181800 20011KT P6SM OVC025
FM190100 18006KT P6SM VCTS BKN060CB=

000
FTUS44 KSHV 180527
TAFMLU
TAF
KMLU 180527Z 1806/1906 14003KT P6SM SCT050
FM181200 17005KT P6SM OVC010
FM181500 18005KT P6SM OVC015
FM181800 20009KT P6SM OVC050
FM190100 20011KT P6SM SCT035=
   
TEXAS
Tyler (TYR) Longview (GGG)
Tactical Decision Aid Tactical Decision Aid
000
FTUS44 KSHV 180527
TAFTYR
TAF
KTYR 180527Z 1806/1906 16009KT P6SM SKC
     FM181200 18008KT 5SM BR OVC009
     FM181500 19010KT 6SM BR OVC015
     FM181800 20011KT P6SM OVC015
     FM190400 29005KT P6SM VCTS BKN060CB=
000
FTUS44 KSHV 180527
TAFGGG
TAF
KGGG 180527Z 1806/1906 15013G23KT P6SM SKC
     FM181200 18008KT 5SM BR OVC009
     FM181500 19010KT 6SM BR OVC015
     FM181800 20011KT P6SM OVC015
     FM182300 20009KT P6SM VCTS BKN035CB=
Lufkin (LFK)
Tactical Decision Aid

000
FTUS44 KSHV 180527
TAFLFK
TAF
KLFK 180527Z 1806/1906 12005KT P6SM SCT014
FM181200 18008KT 6SM BR OVC009
FM181500 17009KT P6SM OVC015
FM181800 18010G18KT P6SM OVC015
FM190400 16007KT P6SM SCT250=
   
ARKANSAS
Texarkana (TXK) El Dorado (ELD)
Tactical Decision Aid Tactical Decision Aid
000
FTUS44 KSHV 180527
TAFTXK
TAF
KTXK 180527Z 1806/1906 14005KT P6SM SKC
     FM181200 18007KT P6SM OVC015
     FM181500 18009KT 6SM BR OVC010
     FM181800 21011G19KT P6SM OVC025
     FM190000 20006KT P6SM VCTS BKN045CB=
000
FTUS44 KSHV 180527
TAFELD
TAF
KELD 180527Z 1806/1906 12007KT 6SM BR SKC
     FM181200 17005KT P6SM OVC015
     FM181600 17007KT P6SM OVC020
     FM181800 19012G19KT P6SM BKN050
     FM190000 20009KT P6SM BKN035=
 
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Regional TAFs
LOUISIANA
Alexandria (AEX) Baton Rouge (BTR)
Tactical Decision Aid Tactical Decision Aid
000
FTUS44 KLCH 180918 AAA
TAFAEX
TAF AMD
KAEX 180918Z 1809/1906 14008KT P6SM SCT015 OVC035
      TEMPO 1809/1813 5SM BR OVC007
     FM181500 16010KT P6SM BKN025
     FM181900 18010KT P6SM OVC250
     FM182100 16009KT P6SM BKN250=
000
FTUS44 KLIX 180520
TAFBTR
TAF
KBTR 180520Z 1806/1906 14004KT P6SM SCT020
     FM181000 VRB04KT 5SM BR BKN008
     FM181400 15008KT P6SM BKN020
     FM182100 18009KT P6SM SCT070=
Lake Charles (LCH) New Orleans (MSY)
Tactical Decision Aid Tactical Decision Aid

000
FTUS44 KLCH 180520
TAFLCH
TAF
KLCH 180520Z 1806/1906 15006KT P6SM FEW008 OVC020
FM180700 16006KT 5SM BR SCT008 OVC015
TEMPO 1809/1813 2SM BR OVC007
FM181400 16012KT P6SM BKN025
FM182000 18012KT P6SM BKN050 OVC250
FM190300 17006KT P6SM OVC025=

000
FTUS44 KLIX 180520
TAFMSY
TAF
KMSY 180520Z 1806/1912 13005KT P6SM BKN020
FM181000 VRB04KT 5SM BR BKN007
FM181400 15008KT P6SM BKN020 BKN045
FM182000 16011KT P6SM BKN250=
 
TEXAS
College Station (CLL) Dallas/Fort Worth International (DFW)
Tactical Decision Aid Tactical Decision Aid
000
FTUS44 KHGX 180520
TAFCLL
TAF
KCLL 180520Z 1806/1906 16007KT P6SM OVC025
     FM180900 17008KT 6SM BR OVC007
     FM181500 17009KT P6SM OVC015
     FM181800 18012KT P6SM BKN150
     FM190100 16006KT P6SM OVC100=
000
FTUS44 KFWD 180905 AAB
TAFDFW
TAF AMD
KDFW 180905Z 1809/1912 16011KT P6SM FEW018 BKN025
     FM181200 17011KT P6SM BKN018
     FM181700 18010KT P6SM BKN035
     FM182100 28010KT P6SM VCTS BKN050CB
     FM190100 01016KT P6SM FEW040 SCT250=
Dallas-Love Field (DAL) Houston-Bush Intercontinental (IAH)
Tactical Decision Aid Tactical Decision Aid
000
FTUS44 KFWD 180905 AAB
TAFDAL
TAF AMD
KDAL 180905Z 1809/1906 16011KT P6SM FEW018 BKN025
     FM181200 17011KT P6SM BKN018
     FM181700 18010KT P6SM BKN035
     FM182100 28010KT P6SM VCTS BKN050CB
     FM190100 01016KT P6SM FEW040 SCT250=
000
FTUS44 KHGX 180908 AAA
TAFIAH
TAF AMD
KIAH 180908Z 1809/1912 17008KT 6SM BR BKN010 OVC019
     FM181500 17009KT P6SM SCT007 BKN025
     FM181800 16010KT P6SM SCT025 BKN150
     FM190300 16004KT P6SM VCSH OVC010
     FM190900 16004KT P6SM OVC020=
Houston-Hobby (HOU)
Tactical Decision Aid
000
FTUS44 KHGX 180908 AAA
TAFHOU
TAF AMD
KHOU 180908Z 1809/1906 17011G17KT 6SM BR BKN010 OVC022
     FM181500 17009KT P6SM BKN025
     FM181800 16012KT P6SM BKN150
     FM190200 14004KT P6SM VCSH OVC015=
 
ARKANSAS
Hot Springs (HOT) Little Rock (LIT)
Tactical Decision Aid Tactical Decision Aid
000
FTUS44 KLZK 180600 AAA
TAFHOT
TAF AMD
KHOT 180600Z 1806/1906 VRB03KT 6SM BR BKN007
     FM181500 19009KT P6SM OVC020
     FM182000 23005KT P6SM OVC050
     FM190000 22010KT P6SM OVC050 PROB30 1903/1906 5SM TSRA BR
      OVC015CB=
000
FTUS44 KLZK 180827 AAB
TAFLIT
TAF AMD
KLIT 180827Z 1808/1906 20007KT 3SM BR OVC003
     FM181500 19012G18KT P6SM SCT025 OVC050
     FM190000 22010KT P6SM OVC050 PROB30 1903/1906 5SM TSRA BR
      OVC015CB=
Pine Bluff (PBF)
Tactical Decision Aid
000
FTUS44 KLZK 180958 AAC
TAFPBF
TAF AMD
KPBF 180958Z 1810/1906 16006KT 6SM BR OVC003
     FM181800 20012KT P6SM OVC025
     FM190000 20006KT P6SM OVC050=
 
OKLAHOMA
McAlester (MLC) Oklahoma City-Will Rogers (OKC)
Tactical Decision Aid Tactical Decision Aid
000
FTUS44 KTSA 180520
TAFMLC
TAF
KMLC 180520Z 1806/1906 14003KT P6SM BKN015
     FM181200 18010G18KT 4SM BR BKN015
     FM181800 22013G21KT P6SM BKN035 PROB30 1820/1822 4SM TSRA BR
      OVC020CB
     FM182200 32015G23KT P6SM BKN025=
000
FTUS44 KOUN 180520
TAFOKC
TAF
KOKC 180520Z 1806/1906 16014G22KT P6SM SCT020
     FM180800 18013KT 3SM BR OVC010
     FM181400 28018G27KT P6SM BKN015
     FM181600 34021G28KT P6SM BKN040
     FM190000 01012G19KT P6SM SCT250=
Tulsa International (TUL)
Tactical Decision Aid
000
FTUS44 KTSA 180520
TAFTUL
TAF
KTUL 180520Z 1806/1906 17013KT P6SM SKC WS020/18045KT
     FM180900 18014G22KT P6SM BKN015 PROB30 1815/1819 5SM -TSRA
      BKN020CB
     FM182000 31015G25KT P6SM BKN025
     FM190100 36011KT P6SM BKN050=
 
NWS-Shreveport Aviation Forecast Discussion
000
FXUS64 KSHV 180715
AFDSHV

Area Forecast Discussion
National Weather Service Shreveport LA
215 AM CDT Thu Apr 18 2024

...New SHORT TERM, LONG TERM...

.SHORT TERM...
(Thursday through Friday)
Issued at 214 AM CDT Thu Apr 18 2024

A strong surface high is forecast to dive south across the Great
Plains today. Ahead of it, a surface low will eject out of
central Oklahoma leaving a frontal boundary in its wake along the
interface of the approaching surface high. South winds around 10
mph will continue to advect gulf moisture and support warm
temperatures in the 80s across the ArkLaTex today, aiding in
further destabilizing the environment ahead of the front. Aloft,
a shortwave trough will move across the ArkLaTex. Convergence
along and ahead of the frontal boundary at the time of peak
heating, combined with destabilization aloft with the approaching
short-wave trough, will allow for deep convection across the I-30
corridor. Supercells capable of producing large hail and damaging
winds will be the main threats during the late afternoon and
early evening hours across these areas.

Storms to gradually diminish with the loss of daytime heating. Overnight
low temperatures tonight are forecast to fall into the lower 50s
north of the front and mid 60s south.

Frontal boundary forecast to stall south of I-20 on Friday. Highs
on Friday will range from the mid 60s across southeast Oklahoma
and southwest Arkansas to the mid 80s across portions of north
Louisiana. Near zonal flow aloft will allow for widespread cloud-
cover and the possibility for a few stray showers north of the
front.

&&

.LONG TERM...
(Friday Night through Thursday)
Issued at 214 AM CDT Thu Apr 18 2024

Wet conditions expected through the weekend as an upper-level
disturbance shifts east across central Texas into the ArkLaTex.
Widespread showers with embedded thunderstorms expected from
Friday night through Sunday morning. A seasonably cold surface
high will at the same time build across the region maintaining
north winds 10 to 15 mph on Saturday and Sunday. With the surface
becoming centered across the region late in the weekend, high
temperatures on Sunday to average in the 60s. Lows on Monday
morning will average in the 40s.

Surface high to shift east allowing for southerly winds to return
to the region on Monday. By Wednesday, high temperatures will
have rebounded into the low to mid 80s. Models have yet to come
into agreement concerning the synoptic pattern from midweek
onward with the GFS bringing widespread rain to the region ahead
of a southward moving frontal boundary within an upper-level
northwest flow regime. Other long range models suggest a drier
forecast, to which seems much more realistic considering northwest
flow to prevail aloft. /05/

&&

.AVIATION...
(06Z TAFS)
Issued at 1244 AM CDT Thu Apr 18 2024

For the 18/12Z TAF update, a mixture of MVFR/IFR cigs with VCSH
and VCTS (likely by the end of the period) will continue to exist
through the period as a result of prolonged, moist southerly
surface flow. /16/

&&

.PRELIMINARY POINT TEMPS/POPS...
SHV  86  67  79  64 /  30  20  20  30
MLU  85  66  79  62 /  40  10  20  20
DEQ  83  55  68  52 /  20  60  20  60
TXK  84  61  70  57 /  20  70  20  50
ELD  83  62  71  54 /  40  40  20  30
TYR  85  62  75  63 /  20  30  20  30
GGG  85  64  77  62 /  30  20  20  30
LFK  88  67  86  66 /  20  10  10  10

&&

.SHV WATCHES/WARNINGS/ADVISORIES...
AR...None.
LA...None.
OK...None.
TX...None.
&&

$$

SHORT TERM...05
LONG TERM....05
AVIATION...16

 
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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 0.3º Fort Johnson (POE) Base Reflectivity 0.5º
Shreveport Radar Base Reflectivity 0.3 degrees Fort Johnson (POE) Radar Base Reflectivity 0.3 degrees
   
Fort Smith (SRX) Base Reflectivity 0.5º Little Rock (LZK) Base Reflectivity 0.5º
Fort Smith (SRX) Radar Base Reflectivity 0.5 degrees Little Rock (LZK) Radar Base Reflectivity 0.5 degrees
 
Fort Worth Spinks Airport (FWS) Base Reflectivity 0.5º
Fort Worth Spinks Airport (FWS) Radar Base Reflectivity 0.5 degrees
 
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Latest Observed Sounding from Shreveport
 
RAP Vertical Wind Forecasts
Shreveport Regional Airport (KSHV) Monroe Regional Airport (KMLU)
Tyler Pounds Regional Airport (KTYR) Longview-East Texas Regional Airport (KGGG)
Lufkin-Angelina County Airport (KLFK) Texarkana Regional Airport-Webb Field (KTXK)
El Dorado-South Arkansas Regional Airport (KELD)
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Latest Area Forecast Discussion (AFD)
000
FXUS64 KSHV 180715
AFDSHV

Area Forecast Discussion
National Weather Service Shreveport LA
215 AM CDT Thu Apr 18 2024

...New SHORT TERM, LONG TERM...

.SHORT TERM...
(Thursday through Friday)
Issued at 214 AM CDT Thu Apr 18 2024

A strong surface high is forecast to dive south across the Great
Plains today. Ahead of it, a surface low will eject out of
central Oklahoma leaving a frontal boundary in its wake along the
interface of the approaching surface high. South winds around 10
mph will continue to advect gulf moisture and support warm
temperatures in the 80s across the ArkLaTex today, aiding in
further destabilizing the environment ahead of the front. Aloft,
a shortwave trough will move across the ArkLaTex. Convergence
along and ahead of the frontal boundary at the time of peak
heating, combined with destabilization aloft with the approaching
short-wave trough, will allow for deep convection across the I-30
corridor. Supercells capable of producing large hail and damaging
winds will be the main threats during the late afternoon and
early evening hours across these areas.

Storms to gradually diminish with the loss of daytime heating. Overnight
low temperatures tonight are forecast to fall into the lower 50s
north of the front and mid 60s south.

Frontal boundary forecast to stall south of I-20 on Friday. Highs
on Friday will range from the mid 60s across southeast Oklahoma
and southwest Arkansas to the mid 80s across portions of north
Louisiana. Near zonal flow aloft will allow for widespread cloud-
cover and the possibility for a few stray showers north of the
front.

&&

.LONG TERM...
(Friday Night through Thursday)
Issued at 214 AM CDT Thu Apr 18 2024

Wet conditions expected through the weekend as an upper-level
disturbance shifts east across central Texas into the ArkLaTex.
Widespread showers with embedded thunderstorms expected from
Friday night through Sunday morning. A seasonably cold surface
high will at the same time build across the region maintaining
north winds 10 to 15 mph on Saturday and Sunday. With the surface
becoming centered across the region late in the weekend, high
temperatures on Sunday to average in the 60s. Lows on Monday
morning will average in the 40s.

Surface high to shift east allowing for southerly winds to return
to the region on Monday. By Wednesday, high temperatures will
have rebounded into the low to mid 80s. Models have yet to come
into agreement concerning the synoptic pattern from midweek
onward with the GFS bringing widespread rain to the region ahead
of a southward moving frontal boundary within an upper-level
northwest flow regime. Other long range models suggest a drier
forecast, to which seems much more realistic considering northwest
flow to prevail aloft. /05/

&&

.AVIATION...
(06Z TAFS)
Issued at 1244 AM CDT Thu Apr 18 2024

For the 18/12Z TAF update, a mixture of MVFR/IFR cigs with VCSH
and VCTS (likely by the end of the period) will continue to exist
through the period as a result of prolonged, moist southerly
surface flow. /16/

&&

.PRELIMINARY POINT TEMPS/POPS...
SHV  86  67  79  64 /  30  20  20  30
MLU  85  66  79  62 /  40  10  20  20
DEQ  83  55  68  52 /  20  60  20  60
TXK  84  61  70  57 /  20  70  20  50
ELD  83  62  71  54 /  40  40  20  30
TYR  85  62  75  63 /  20  30  20  30
GGG  85  64  77  62 /  30  20  20  30
LFK  88  67  86  66 /  20  10  10  10

&&

.SHV WATCHES/WARNINGS/ADVISORIES...
AR...None.
LA...None.
OK...None.
TX...None.
&&

$$

SHORT TERM...05
LONG TERM....05
AVIATION...16

   
Latest Hazardous Weather Outlook
000
FLUS44 KSHV 170924
HWOSHV

Hazardous Weather Outlook
National Weather Service Shreveport LA
424 AM CDT Wed Apr 17 2024

ARZ050-051-059>061-070>073-LAZ001>006-010>014-017>022-OKZ077-TXZ096-
097-108>112-124>126-136>138-149>153-165>167-180930-
Sevier-Howard-Little River-Hempstead-Nevada-Miller-Lafayette-
Columbia-Union-Caddo-Bossier-Webster-Claiborne-Lincoln-De Soto-
Red River-Bienville-Jackson-Ouachita-Sabine-Natchitoches-Winn-Grant-
Caldwell-La Salle-McCurtain-Bowie-Franklin-Titus-Camp-Morris-Cass-
Wood-Upshur-Marion-Smith-Gregg-Harrison-Cherokee-Rusk-Panola-
Nacogdoches-Shelby-Angelina-San Augustine-
424 AM CDT Wed Apr 17 2024

This Hazardous Weather Outlook is for south central Arkansas,
southwest Arkansas, north central Louisiana, northwest Louisiana,
southeast Oklahoma, east Texas and northeast Texas.

.DAY ONE...Today and tonight.

No organized severe weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

A round of thunderstorms will be possible Thursday afternoon and
evening along and north of Interstate 30 across northeast Texas,
southwest Arkansas, and southeast Oklahoma ahead of a cold front.
Some storms may be severe with damaging winds and large hail being
the main threats.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

$$

 
 

 

 
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.