Marine Weather and Tide Forecast for East Mountain, TX
March 18, 2024 11:17 PM CDT (04:17 UTC) Change Location
Sunrise 7:22 AM Sunset 7:30 PM Moonrise 12:32 PM Moonset 2:48 AM |
Area Discussion for - Shreveport, LA
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FXUS64 KSHV 190236 AFDSHV
Area Forecast Discussion National Weather Service Shreveport LA 936 PM CDT Mon Mar 18 2024
New UPDATE
UPDATE
Issued at 924 PM CDT Mon Mar 18 2024
The center of a 1027mb sfc ridge late this evening was located across Eastern Oklahoma into Northwest Arkansas and while the pressure gradient in advance of this ridge has continued to decouple, we continue to see light north to northeast winds attm.
This coupled with very high/thin cirrus across the southern 2/3rds of our region has resulted in ambient hourly temperatures slightly higher than our diurnal forecast temperature trend would otherwise suggest. As we go through the remainder of the night, this surface ridge should continue to slowly shift south and east into the I-20 Corridor by sunrise in the morning. 00z NAM output suggests that the thin cirrus will likely hang around at least the southwest half of our region through the night but the light winds may help to counter act that with the radiational cooling.
For the forecast update, did not make any changes to forecast min temperatures but did adjust sky grids slightly to account for the thin cirrus. Also slowed the diurnal temperatures downward fall slightly and also added areas of frost to the grids.
Update has been sent...13.
SHORT TERM
(This evening through Tuesday Night)
Issued at 100 PM CDT Mon Mar 18 2024
Surface high pressure building across the region will continue to advect cold air areawide. A late season light freeze is expected overnight across southwest Arkansas, northeast Texas, southeast Oklahoma and parts of north Louisiana. Could see low temperatures ranging from the upper 20s across McCurtain county to around the freezing mark of 32 degrees as far south as I-20.
Surface high to shift east on Tuesday allowing for south winds to return shortly after daybreak becoming southwest during the afternoon. Southerly flow will allow for temps and moisture to gradually increase through the end of the short-term period Tuesday night. High temperatures on Tuesday will average in the mid 60s with overnight lows on Tuesday night in the low to mid 40s. /05/
LONG TERM
(Wednesday through next Sunday)
Issued at 100 PM CDT Mon Mar 18 2024
Upper-level ridging to prevail through Wednesday allowing for dry conditions areawide with temperatures on Wednesday approaching 70 degrees with overnight lows on Wednesday night in the lower 50s.
Pattern shift expected on Thursday as an upper-level low shifts east and moves across the ArkLaTex. Instability across the region is forecast to increase ahead of the low as upper-flow becomes southwest. Additionally, low-level moisture advection ahead of a surface dryline across east Texas will further aid in destabilizing the environment enough to support increased convection beginning Thursday morning and continuing through Thursday night. The heaviest convection will mainly occur on Thursday afternoon into the evening hours before convection diminishes and exits the region to the east through the overnight period. At this time, no severe weather is expected.
Weak northwest flow in the wake of the departing upper-low will allow for dry conditions to prevail across the region through the early part of the weekend. On Sunday, upper-flow to become southwest, creating an environment conducive for mainly diurnally driven showers and isolated thunderstorms. Under mostly cloudy skies, temperatures through the weekend to range from highs in the 70s to lows in the lower 60s. /05/
AVIATION
(00Z TAFS)
Issued at 636 PM CDT Mon Mar 18 2024
For the ArkLaTex terminals, just a few high clouds with our NW sfc winds decoupling after sunset to VRB03KT or calm for the bulk of the night. Canadian high pressure will slide right across the midSouth tonight and calm the wind with some daybreak frost, and sub-freezing E of I-49. As the high moves eastward, our winds will back to SW for Tuesday less than 10KT. Clouds returning with S/SE flow mid to late week with an upper low on approach with showers & isold TS by Thurs, ending early on Fri with fropa. /24/
PRELIMINARY POINT TEMPS/POPS
SHV 35 66 45 71 / 0 0 0 0 MLU 33 63 40 70 / 0 0 0 0 DEQ 28 65 39 69 / 0 0 0 10 TXK 32 66 44 69 / 0 0 0 0 ELD 30 63 40 70 / 0 0 0 0 TYR 35 66 48 69 / 0 0 0 0 GGG 34 66 45 70 / 0 0 0 0 LFK 36 67 46 70 / 0 0 0 0
SHV WATCHES/WARNINGS/ADVISORIES
AR...Freeze Warning until 9 AM CDT Tuesday for ARZ050-051-059>061- 070>073.
LA...Freeze Warning until 9 AM CDT Tuesday for LAZ001>006-012>014- 019>022.
OK...Freeze Warning until 9 AM CDT Tuesday for OKZ077.
TX...Freeze Warning until 9 AM CDT Tuesday for TXZ096-097-108>112- 124>126-138.
Area Forecast Discussion National Weather Service Shreveport LA 936 PM CDT Mon Mar 18 2024
New UPDATE
UPDATE
Issued at 924 PM CDT Mon Mar 18 2024
The center of a 1027mb sfc ridge late this evening was located across Eastern Oklahoma into Northwest Arkansas and while the pressure gradient in advance of this ridge has continued to decouple, we continue to see light north to northeast winds attm.
This coupled with very high/thin cirrus across the southern 2/3rds of our region has resulted in ambient hourly temperatures slightly higher than our diurnal forecast temperature trend would otherwise suggest. As we go through the remainder of the night, this surface ridge should continue to slowly shift south and east into the I-20 Corridor by sunrise in the morning. 00z NAM output suggests that the thin cirrus will likely hang around at least the southwest half of our region through the night but the light winds may help to counter act that with the radiational cooling.
For the forecast update, did not make any changes to forecast min temperatures but did adjust sky grids slightly to account for the thin cirrus. Also slowed the diurnal temperatures downward fall slightly and also added areas of frost to the grids.
Update has been sent...13.
SHORT TERM
(This evening through Tuesday Night)
Issued at 100 PM CDT Mon Mar 18 2024
Surface high pressure building across the region will continue to advect cold air areawide. A late season light freeze is expected overnight across southwest Arkansas, northeast Texas, southeast Oklahoma and parts of north Louisiana. Could see low temperatures ranging from the upper 20s across McCurtain county to around the freezing mark of 32 degrees as far south as I-20.
Surface high to shift east on Tuesday allowing for south winds to return shortly after daybreak becoming southwest during the afternoon. Southerly flow will allow for temps and moisture to gradually increase through the end of the short-term period Tuesday night. High temperatures on Tuesday will average in the mid 60s with overnight lows on Tuesday night in the low to mid 40s. /05/
LONG TERM
(Wednesday through next Sunday)
Issued at 100 PM CDT Mon Mar 18 2024
Upper-level ridging to prevail through Wednesday allowing for dry conditions areawide with temperatures on Wednesday approaching 70 degrees with overnight lows on Wednesday night in the lower 50s.
Pattern shift expected on Thursday as an upper-level low shifts east and moves across the ArkLaTex. Instability across the region is forecast to increase ahead of the low as upper-flow becomes southwest. Additionally, low-level moisture advection ahead of a surface dryline across east Texas will further aid in destabilizing the environment enough to support increased convection beginning Thursday morning and continuing through Thursday night. The heaviest convection will mainly occur on Thursday afternoon into the evening hours before convection diminishes and exits the region to the east through the overnight period. At this time, no severe weather is expected.
Weak northwest flow in the wake of the departing upper-low will allow for dry conditions to prevail across the region through the early part of the weekend. On Sunday, upper-flow to become southwest, creating an environment conducive for mainly diurnally driven showers and isolated thunderstorms. Under mostly cloudy skies, temperatures through the weekend to range from highs in the 70s to lows in the lower 60s. /05/
AVIATION
(00Z TAFS)
Issued at 636 PM CDT Mon Mar 18 2024
For the ArkLaTex terminals, just a few high clouds with our NW sfc winds decoupling after sunset to VRB03KT or calm for the bulk of the night. Canadian high pressure will slide right across the midSouth tonight and calm the wind with some daybreak frost, and sub-freezing E of I-49. As the high moves eastward, our winds will back to SW for Tuesday less than 10KT. Clouds returning with S/SE flow mid to late week with an upper low on approach with showers & isold TS by Thurs, ending early on Fri with fropa. /24/
PRELIMINARY POINT TEMPS/POPS
SHV 35 66 45 71 / 0 0 0 0 MLU 33 63 40 70 / 0 0 0 0 DEQ 28 65 39 69 / 0 0 0 10 TXK 32 66 44 69 / 0 0 0 0 ELD 30 63 40 70 / 0 0 0 0 TYR 35 66 48 69 / 0 0 0 0 GGG 34 66 45 70 / 0 0 0 0 LFK 36 67 46 70 / 0 0 0 0
SHV WATCHES/WARNINGS/ADVISORIES
AR...Freeze Warning until 9 AM CDT Tuesday for ARZ050-051-059>061- 070>073.
LA...Freeze Warning until 9 AM CDT Tuesday for LAZ001>006-012>014- 019>022.
OK...Freeze Warning until 9 AM CDT Tuesday for OKZ077.
TX...Freeze Warning until 9 AM CDT Tuesday for TXZ096-097-108>112- 124>126-138.
Airport Reports
EDIT (hide/show)  Help Click EDIT to display multiple airports. Follow links for more data.Airport | Dist | Age | Wind kt | Vis | Sky | Weather | Temp | DewPt | RH | inHg |
KJXI FOX STEPHENS FIELD GILMER MUNI,TX | 12 sm | 2 min | NNW 03 | 10 sm | Clear | 43°F | 27°F | 52% | 30.31 | |
KGGG EAST TEXAS RGNL,TX | 14 sm | 24 min | calm | 10 sm | Clear | 45°F | 30°F | 57% | 30.30 |
Shreveport, LA,
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