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    Original URL path: /regional-sat-include.htm (2016-04-27)





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  • McLouth Weather Live - SPC Day 2 Outlook
    TILTED SHORTWAVE TROUGH IS EXPECTED TO MOVE SLOWLY FROM CNTRL PLAINS NEWD THROUGH THE MID MO VALLEY DURING THE PERIOD WHILE MATURING MODERATELY STRONG MID LEVEL FLOW ASSOCIATED WITH THE SHORTWAVE TROUGH WILL SPREAD EWD THROUGH THE OZARK PLATEAU AND MID LWR MS VALLEYS FARTHER W A STRONG SHORTWAVE TROUGH WILL DIG SWD ALONG THE W COAST REACHING SRN CA BY 12Z THU AT THE SURFACE LOW ASSOCIATED WITH THE CNTRL PLAINS SHORTWAVE IS EXPECTED TO MOVE ONLY SLIGHTLY EWD FROM ITS POSITION AT THE BEGINNING OF THE PERIOD OVER CNTRL NEB KS BORDER PACIFIC COLD FRONT DRYLINE WILL EXTEND SWD FROM THE LOW ACROSS CNTRL OK AND INTO CNTRL TX AT 12Z WED MOVING SLOWLY EWD THROUGHOUT THE DAY AT 00Z THU THIS FRONT IS EXPECTED TO EXTEND FROM THE TRIPLE POINT OVER N CNTRL MO SSWWD THROUGH THE ARKLATEX AND INTO SE TX E TX EWD NEWD THROUGH LWR AND MID MS VALLEYS CONVECTION IS EXPECTED TO BE ONGOING AT THE BEGINNING OF THE PERIOD LIKELY EXTENDING FROM N CNTRL AR SWWD TO THE UPPER TX COAST THIS CONVECTIVE LINE IS EXPECTED TO PERSIST AS IT CONTINUES EWD ACROSS THE LWR MS VALLEY DURING THE MORNING FOR MOST OF THE MORNING DESTABILIZATION DOWNSTREAM OF THIS INITIAL LINE WILL BE DIFFICULT GIVEN THE TIME OF DAY AND EXTENSIVE CLOUDINESS ONLY ISOLATED SVR IS ANTICIPATED SOME ADDITIONAL TSTM ACTIVITY WITH THE POSSIBILITY OF RE INTENSIFICATION IS POSSIBLE AS THE LINE CONTINUES EWD INTO AL BUT THE LACK OF LARGE SCALE FORCING FOR ASCENT AND GENERALLY WEAK SHEAR SHOULD KEEP ANY SVR THREAT ISOLATED ENVIRONMENT BEHIND THIS INITIAL LINE FROM THE MID MS VALLEY SWWD TOWARDS THE UPPER TX COAST IS EXPECTED TO DESTABILIZE AHEAD OF THE APPROACHING DRYLINE COMBINATION OF CONVERGENCE ALONG THE DRYLINE AND WEAK LARGE SCALE FORCING FOR

    Original URL path: http://www.mclwx.info/wxspc2.php (2016-04-27)
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  • McLouth Weather Live - SPC Day 3 Outlook
    SVR TSTMS FROM A PORTION OF THE SERN STATES INTO THE TN AND OH VALLEYS SUMMARY A FEW SEVERE STORMS WILL BE POSSIBLE THURSDAY NIGHT OVER A PORTION OF NORTHERN TEXAS INTO SOUTHERN OKLAHOMA A MORE MARGINAL RISK FOR A FEW STRONG TO SEVERE STORMS WILL EXIST ACROSS A LARGE PART OF TEXAS AND FROM A PORTION OF THE SOUTHEASTERN STATES INTO THE OHIO VALLEY THURSDAY AFTERNOON AND EARLY EVENING SYNOPSIS UPPER LOW OVER THE MID UPPER MS VALLEY AT THE START OF THE PERIOD WILL CONTINUE TO DEAMPLIFY AND WEAKEN AS IT MOVES EWD INTO THE MEAN RIDGE POSITION ACROSS THE OH VALLEY FARTHER WEST A MORE SIGNIFICANT UPPER TROUGH WILL ADVANCE SLOWLY THROUGH THE SWRN STATES A STRONG SHORTWAVE TROUGH WILL ROTATE THROUGH THE BASE OF THIS FEATURE AND WILL EMERGE OVER THE SRN ROCKIES AND HIGH PLAINS LATE THURSDAY NIGHT INTO EARLY FRIDAY AT THE SFC A COLD FRONT WILL EXTEND FROM AN OCCLUDED SFC LOW OVER THE OH VALLEY SWWD THROUGH THE LOWER MS VALLEY THEN AS A STATIONARY FRONT OVER SERN TX 12Z THURSDAY A STATIONARY FRONT WILL EXTEND EWD FROM THE LOW THROUGH THE OH VALLEY AND INTO THE MID ATLANTIC AREA THE STATIONARY FRONT INITIALLY OVER SRN AND SERN TX WILL LIFT NWD AS A WARM FRONT WHILE FARTHER NORTH THE COLD FRONT WILL CONTINUE EWD THROUGH THE TN AND OH VALLEYS NRN TX THROUGH SRN OK THE PRIMARY SEVERE THREAT IN THIS REGION WILL EXIST OVERNIGHT WHEN DESTABILIZATION RESULTING FROM MOIST ADVECTION ALONG STRENGTHENING LLJ WILL OCCUR BENEATH PLUME OF STEEPER LAPSE RATES CONTRIBUTING TO MODERATE ELEVATED INSTABILITY FORCING FOR ASCENT WILL INCREASE IN WARM FRONTAL ZONE ON NOSE OF STRENGTHENING LLJ AUGMENTED BY THE APPROACH OF A LOW AMPLITUDE LEAD SHORTWAVE TROUGH ELEVATED STORMS ARE EXPECTED TO DEVELOP LATE OVER NRN

    Original URL path: http://www.mclwx.info/wxspc3.php (2016-04-27)
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  • McLouth Weather Live - SPC 4-8 Day Outlook
    Outlook A depicted severe weather area indicates a 30 or higher probability for severe thunderstorms within 25 miles of a point D4 Fri Apr 29 2016 Sat Apr 30 2016 D7 Mon May 02 2016 Tue May 03 2016 D5 Sat Apr 30 2016 Sun May 01 2016 D8 Tue May 03 2016 Wed May 04 2016 D6 Sun May 01 2016 Mon May 02 2016 All days are valid from 12 UTC 12 UTC PREDICTABILITY TOO LOW is used to indicate severe storms may be possible based on some model scenarios However the location or occurrence of severe storms are in doubt due to 1 large differences in the deterministic model solutions 2 large spread in the ensemble guidance and or 3 minimal run to run continuity POTENTIAL TOO LOW means the threat for a regional area of organized severe storms appears highly unlikely during the entire period e g less than a 30 probability for a regional severe storm area across the CONUS through the entire Day 4 8 period Images courtesy of the NWS Storm Prediction Center Forecast Discussion 000 ACUS48 KWNS 260858 SWOD48 SPC AC 260857 DAY 4 8 CONVECTIVE OUTLOOK NWS STORM PREDICTION CENTER NORMAN OK 0357 AM CDT TUE APR 26 2016 VALID 291200Z 041200Z DISCUSSION MODELS REMAIN IN REASONABLE AGREEMENT REGARDING EVOLUTION OF NEXT UPPER TROUGH THAT WILL EMERGE OVER THE CNTRL AND SRN PLAINS DAY 4 BUT SOLUTIONS BEGIN TO DIVERGE BY DAY 6 FRIDAY DAY 4 SIGNIFICANT SHORTWAVE TROUGH AND ATTENDANT UPPER JET EMBEDDED WITHIN BASE OF SYNOPTIC TROUGH WILL SHIFT NEWD THROUGH THE SRN CNTRL HIGH PLAINS FRIDAY THUNDERSTORMS WITH ONGOING THREAT FOR HAIL WILL BE IN PROGRESS FROM NRN TX INTO OK FRIDAY MORNING HOWEVER DESTABILIZATION IS EXPECTED FARTHER SOUTH ACROSS TX ALONG AND EAST OF THE DRYLINE WHERE

    Original URL path: http://www.mclwx.info/wxspc48.php (2016-04-27)
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  • McLouth Weather Live - Weather Stories
    Reports National Local Fire Weather Jefferson County Leavenworth County Weather Nets Plains Weather Net CoCoRaHS Net Almanac Weather Trends Graphs Station Graphs Water Year Station Records Station History Daily Details NOAA Reports CWOP Stats Image of the Day Earthquake Activity Nearby METAR Reports World Extremes Astronomy Space Weather Sun Moon Almanac Gauges Links About Status Contact Us Website Map Fire Department Test Pages External Links Weather Underground WXforum net Alerts Jefferson County Leavenworth County NowCast Topeka COLORADO Denver Boulder Grand Junction Pueblo ILLINOIS Central Illinois Chicago INDIANA Indianapolis North Webster IOWA Des Moines Quad Cities KANSAS Dodge City Goodland Topeka Wichita KENTUCKY Jackson Louisville Paducah MICHIGAN Detroit Grand Rapids Marquette North Central Lwr Michigan MINNESOTA Duluth Minneapolis MISSOURI Kansas City Pleasant Hill Springfield St Louis NEBRASKA Hastings North Platte Omaha NORTH DAKOTA Bismarck Eastern North Dakota SOUTH DAKOTA Aberdeen Rapid City Sioux Falls WISCONSIN Green Bay La Crosse Milwaukee WYOMING Cheyenne Riverton A line of showers and thunderstorms some severe will continue to move northeast at 40 mph across the area this afternoon Large hail damaging winds and tornadoes will be possible Heavy rains will also occur with the storms The severe threat will persist through the evening as more

    Original URL path: http://www.mclwx.info/wxStories.php?i=top&gn=1 (2016-04-27)
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