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Marine Weather and Tides
Version 3.4 |
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 6:13AM | Sunset 7:40PM | Wednesday April 21, 2021 6:27 AM CDT (11:27 UTC) | Moonrise 1:29PM | Moonset 3:16AM | Illumination 71% |  |
7 Day Forecast for Marine Location Near Olmsted, IL
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Area Discussion for - Paducah, KY
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Area Forecast Discussion National Weather Service Paducah KY 345 AM CDT Wed Apr 21 2021
SHORT TERM. (Today through Thursday night) Issued at 345 AM CDT Wed Apr 21 2021
The last of the pcpn band has now left the Pennyrile region of KY this morning, but clouds will linger a bit longer in the eastern half of the region. Meanwhile, through daybreak, winds will continue to lighten up, and where there are breaks in the cloudiness in the eastern half of the region, patchy frost may form. The southern half of the Pennyrile region will be the last place that this may happen, if at all. The late April cold blast in on, and the current Freeze Warning continues until 14Z. The temp this morning at Cape Girardeau already broke the record low (34) for the date.
Today will be a chilly one while high pressure nudges its way in, with peak afternoon temps in the lower to middle 50s and a west- northwesterly breeze. While skies will be mostly clear during midday, there should be an increase in cloudiness toward evening as a ripple in the cyclonic flow aloft moves through. The models have had this signal for a while, but model consensus suggests that no measurable pcpn will occur. By daybreak Thu morning, skies should return to cloud-free, and with light winds, this will enable widespread frost formation across the region. Some locations, especially in southern IL and southeastern MO, may have a brief freeze again Thu morning, but we believe the primary impact of the cold overall will be frost, so a Frost Advisory will be issued for the entire region.
Thu will be mostly sunny and a little warmer under high surface pressure, as the pattern aloft over us begins to transition to more of a flat ridge. As the dome of high pressure begins to retreat to the east Thu night, models show a southwesterly low level flow starting up from the west, increasing available moisture. Some of the moisture may turn into light rain showers Thu night for primarily the western half of the region as subtle shortwave energy in the nearly flat flow aloft moves by.
LONG TERM. (Friday through Tuesday) Issued at 345 AM CDT Wed Apr 21 2021
A wet signal begins the long term portion of the forecast, and carries into the early weekend. The trending of the wet signal is wetter/greater than preceding runs, with storm average qpf now running upwards to an inch, even pushing an inch and a half in our southeast Missouri Ozarks counties, where WPC has included discussion for a marginal risk on the day 3 ERO. This is probably a good inclusion, since thunder chances there are best/may enhance amounts locally. In summary, a move toward higher pops on the NBM/inherited forecast, reflecting this trend, is accepted.
In the wake of the departed rain system, surface High pressure looks to move into/across the area. It holds as the predominant weather feature for the latter half of the forecast, including the late weekend into early next week. And as upper ridging catches up to the surface ridging, we should see seasonally cool temps begin to moderate back to (Sunday) and even above (Monday-Tuesday) seasonal norms. That will effectively end the below normal readings at nearly 2 consecutive weeks (13 days).
AVIATION. Issued at 345 AM CDT Wed Apr 21 2021
Mostly MVFR cigs east of the MS River will gradually improve/ dissipate through daybreak. VFR conditions will prevail after that, while west-northwesterly winds increase to 10 to 15 knots during the daylight hours, subsiding after nightfall.
PAH WATCHES/WARNINGS/ADVISORIES. IL . Frost Advisory from 11 PM this evening to 9 AM CDT Thursday for ILZ075>078-080>094.
Freeze Warning until 9 AM CDT this morning for ILZ075>078- 080>094.
MO . Frost Advisory from 11 PM this evening to 9 AM CDT Thursday for MOZ076-086-087-100-107>112-114.
Freeze Warning until 9 AM CDT this morning for MOZ076-086-087- 100-107>112-114.
IN . Frost Advisory from 11 PM this evening to 9 AM CDT Thursday for INZ081-082-085>088.
Freeze Warning until 9 AM CDT this morning for INZ081-082- 085>088.
KY . Frost Advisory from 11 PM this evening to 9 AM CDT Thursday for KYZ001>022.
Freeze Warning until 9 AM CDT this morning for KYZ001>007-010- 014-018.
SHORT TERM . DB LONG TERM . DH AVIATION . PS
Weather Reporting Stations
EDIT (on/off) Help NOTE: Click on distance to see the station location on a mapAirport Reports
EDIT (on/off) Help Click EDIT to display multiple airports. Follow links for more data.| Airport | Dist | Age | Wind kt | Visibility | Sky/Weather | Temp | DewPt | Humidity | Pressure |
| Cairo Regional Airport, IL | 11 mi | 52 min | no data | 10.00 mi | Fair | 33°F | 33°F | 97% | 1023.4 hPa |
| Paducah, Barkley Regional Airport, KY | 18 mi | 34 min | W 3 | 8.00 mi | Partly Cloudy | 36°F | 32°F | 86% | 1022.8 hPa |
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