Saturday, October23, 2021
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Marine Weather and Tides
Moorefield, NE

Version 3.4
NOTICE
3/30/2021 -- ANZ330 has been split into ANZ331 and ANZ332. Click EDIT in Marine Forecast and select your new zone.
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 8:02AMSunset 6:51PM Saturday October 23, 2021 3:14 PM CDT (20:14 UTC) Moonrise 7:36PMMoonset 9:57AM Illumination 91% Phase: Waning Gibbous; Moon at 18 days in cycle
NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.
Marine Forecasts
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7 Day Forecast for Marine Location Near Moorefield, NE
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location: 40.77, -100.34     debug


Area Discussion for - North Platte, NE
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FXUS63 KLBF 231740 AFDLBF

Area Forecast Discussion National Weather Service North Platte NE 1240 PM CDT Sat Oct 23 2021

UPDATE. Issued at 434 AM CDT Sat Oct 23 2021

Patchy fog developing across ncntl Nebraska warrants a forecast update using the SREF which also suggests fog will develop across parts of wrn Nebraska early this morning.

SHORT TERM. (Today through Sunday) Issued at 401 AM CDT Sat Oct 23 2021

An upper level disturbance affecting nrn California and Nevada this morning is progged to move through wrn and ncntl Nebraska tonight and Sunday. WPC cut back on QPF amounts by about 50% and less than 1/4 inch of rainfall is now expected as the system moves through. Highest amounts are expected across the ern edge of ncntl Nebraska. This is likely the result of the trajectory of return moisture and the evolution of the forcing which favors the Missouri basin and areas east across the Midwest for the best rainfall. For these reasons, POPs are limited to 20 to 50 percent with the higher POPs across ncntl Nebraska. The ECM, RAP and GFS keep wrn Nebraska dry or with just trace rainfall amounts while the NAM and SREF are much wetter.

The temperature forecast today leans on the warmer GFS guidance plus bias correction. There should still be enough breaks in the cloud cover to support a forecast near the 50th percentile of the NBM. Tonight's lows use the short term model blend plus bias correction and are on the warm side of the forecast envelope. This is based on the expected increase in cloud cover which will block any sort of radiational cooling. The temperature forecast Sunday is slightly cooler than the 50th percentile of the NBM. Any rain which develops will affect temperatures negatively.An upper level disturbance affecting nrn California and Nevada this morning is progged to move through wrn and ncntl Nebraska tonight and Sunday. WPC cut back on QPF amounts by about 50% and less than 1/4 inch of rainfall is now expected as the system moves through. Highest amounts are expected across the ern edge of ncntl Nebraska. This is likely the result of the trajectory of return moisture and the evolution of the forcing which favors the Missouri basin and areas east across the Midwest for the best rainfall. For these reasons, POPs are limited to 20 to 50 percent with the higher POPs across ncntl Nebraska. The ECM, RAP and GFS keep wrn Nebraska dry or with just trace rainfall amounts while the NAM and SREF are much wetter.

The temperature forecast today leans on the warmer GFS guidance plus bias correction. There should still be enough breaks in the cloud cover to support a forecast near the 50th percentile of the NBM. Tonight's lows use the short term model blend plus bias correction and are on the warm side of the forecast envelope. This is based on the expected increase in cloud cover which will block any sort of radiational cooling. The temperature forecast Sunday is slightly cooler than the 50th percentile of the NBM. Any rain which develops will affect temperatures negatively.

LONG TERM. (Sunday night through Friday) Issued at 401 AM CDT Sat Oct 23 2021

A portion of the energy operating within an upper level low across the Gulf of Alaska will swing south and through the wrn U.S. arriving in Nebraska Tuesday night. The models are in excellent agreement shifting winds from south to north Tuesday night or early Wednesday morning. The passage of this front is the basis for chance to low end likely POPs Tuesday night. Given the caliber of the moisture return- dew points in the 50s and a subtropical tap streaming north through old Mexico and Texas, confidence in 1/4 inch or greater rainfall amounts across wrn and ncntl Nebraska is moderate.

A period of strong warm air advection juxtaposed with return moisture across cntl Nebraska Tuesday night is the basis for the rainfall forecast which includes thunderstorms. 500mb heights falls from a fairly sharp upper level trof should steepen lapse rates sufficiently for thunderstorm development. Severe weather procedures using the ECM and GFS suggest scntl or even swrn Nebraska could be areas of interest for strong or severe thunderstorms. For this reason, SPC has outlooked parts of srn Nebraska for severe weather next Tuesday.

The models show this storm system deepening across the Midsouth Wednesday and Thursday. Confidence is high for strong winds across wrn and ncntl Nebraska Wednesday and Thursday. H850-700mb winds are 30-50kts both days backed by 500m AGL winds of 20 to 30+kts. If the models are correct, sustained 20 to 30 mph winds should develop across the region both days.

AVIATION. (For the 18Z TAFS through 18Z Sunday afternoon) Issued at 1235 PM CDT Sat Oct 23 2021

Currently, low level stratus, and IFR ceilings, are affecting southwest Nebraska through the Sandhills. These clouds are working their way into north central Nebraska, but are fairly slow moving. There is no immediate approximation to when these will burn off, but have CIGS raising (to MVFR) by 20Z. Will monitor and amend TAFs if necessary. For both terminals, and other surrounding terminals, looks as though conditions will hover around MVFR (or moments of less) through the TAF period. Late tonight, showers are possible. However, models have trended towards more east and south of the area. Have included for KLBF ATTM, but not KVTN. As with CIGs, will monitor and amend if necessary.

LBF WATCHES/WARNINGS/ADVISORIES. None.

UPDATE . CDC SHORT TERM . CDC LONG TERM . CDC AVIATION . Sinclair


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Lexington, Jim Kelly Field Airport, NE30 mi20 minE 910.00 miOvercast55°F45°F69%1008.5 hPa

Link to 5 minute data for KLXN

Wind History from LXN (wind in knots)
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Last 24hr000SE3NE7E10E12E9E8E7E5E6E6E6E5E6E6E5E12E10E7E6E5E7
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Tide / Current Tables for
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NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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