jrips27 Posted July 11, 2011 Share Posted July 11, 2011 12Z GFS says it will hit 101 today in Marietta 98 Tuesday and 102 Wednesday. The 101 is a real possibility today but I do think it's over done by a few degrees. Yeah the nearest WU station puts me at a temp of 91.5oF with a DP of 77oF. That's a heat index of 105oF! Don't think we will break 100, but our heat index could easily exceed 110. Link to comment Share on other sites More sharing options...
GaWx Posted July 11, 2011 Share Posted July 11, 2011 12Z GFS says it will hit 101 today in Marietta 98 Tuesday and 102 Wednesday. The 101 is a real possibility today but I do think it's over done by a few degrees. 1) -KMGE is at 92 F as of 2 PM. The 12Z gfs has them at a whopping 100 F at 2 PM! It is off by 8 F! -KMGE's TD is at 72 F as of 2 PM. The 12Z gfs has it at only 65 F. KMGE: http://wxweb.meteost...shtml?text=Kmge 2) KATL: The 12Z gfs has them at 99/66 at 2 PM. Actual is 94/71 at 2 PM. the 12Z gfs is forecasting them at 100 F today for the high. I'm expecting more like 96-7 F. Getting a nice shower now here in Savannah. Link to comment Share on other sites More sharing options...
LithiaWx Posted July 11, 2011 Share Posted July 11, 2011 1) -KMGE is at 92 F as of 2 PM. The 12Z gfs has them at a whopping 100 F at 2 PM! It is off by 8 F! -KMGE's TD is at 72 F as of 2 PM. The 12Z gfs has it at only 65 F. KMGE: http://wxweb.meteost...shtml?text=Kmge 2) KATL: The 12Z gfs has them at 99/66 at 2 PM. Actual is 94/71 at 2 PM. the 12Z gfs is forecasting them at 100 F today for the high. I'm expecting more like 96-7 F. Getting a nice shower now here in Savannah. I think dobbins will top out at 98 today which would only be three degrees off the high predicted by the GFS. We shall see but I think it's very likely. Many reporting stations around here are in the 94-96 degree range now. Hartfield is already at 94, they will be pushing the upper 90's very soon here. Link to comment Share on other sites More sharing options...
LithiaWx Posted July 11, 2011 Share Posted July 11, 2011 Lmao at FFC. Georgia is a lone island in a sea of Heat Advisories. Literally surrounded on all sides except the north. edit : well maybe they are going to be one of the only areas to actually verify that heat advisory, or lack there of. Link to comment Share on other sites More sharing options...
LithiaWx Posted July 11, 2011 Share Posted July 11, 2011 ok I give up... Atlanta now down to 91... Dobbins only at 93 at 3PM I'm just gonna sit back and watch it unfold, no more predictions......The GFS is really disappointing me right now. How can it be so off, something is seriously messed up with that model now. The GFS used to only psych me out in winter. Well apparently that's not enough it has to mess with me during summer too. Larry, do you have any insights on this issue? Link to comment Share on other sites More sharing options...
jrips27 Posted July 11, 2011 Share Posted July 11, 2011 Link to comment Share on other sites More sharing options...
DaculaWeather Posted July 11, 2011 Share Posted July 11, 2011 Heat Index of 109.8F at 2:18pm Link to comment Share on other sites More sharing options...
DaculaWeather Posted July 11, 2011 Share Posted July 11, 2011 Lmao at FFC. Georgia is a lone island in a sea of Heat Advisories. Literally surrounded on all sides except the north. edit : well maybe they are going to be one of the only areas to actually verify that heat advisory, or lack there of. Here's much of the criteria used to determine watches, warnings, advisories, etc. Some of it varies by region. http://www.daculaweather.com/spotter_criteria.php HEAT ADVISORYHEAT ADVISORY Issued when there is at least an 80 percent chance that daytime heat indices will exceed 104 degrees AND nighttime lows will be no lower than 75 degrees for at least 2 consecutive days. EXCESSIVE HEAT WARNING Issued when there is at least an 80 percent chance that daytime heat indices will exceed 109 degrees AND nighttime lows will be no lower than 75 degrees for at least 2 consecutive days. Link to comment Share on other sites More sharing options...
Marion_NC_WX Posted July 11, 2011 Share Posted July 11, 2011 Come 6 hours from now, it will be interesting to see what becomes of this mesoscale feature...I think Western VA and Northern NC for sure needs to keep an eye on this. The flow may even steer this feature due south at some point. Link to comment Share on other sites More sharing options...
Marion_NC_WX Posted July 11, 2011 Share Posted July 11, 2011 WOW!!! GSP has issued heat advisories for tomorrow all the way up to the escarpment...it's been several years since they have done that. Look forward to their discussion... URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 248 PM EDT MON JUL 11 2011 GAZ018-026-028-029-NCZ035>037-056-057-068>072-082-502-504-506-508- 510-SCZ004>014-019-120900- /O.CON.KGSP.HT.Y.0001.110712T1500Z-110713T0100Z/ STEPHENS-FRANKLIN-HART-ELBERT-ALEXANDER-IREDELL-DAVIE-CATAWBA- ROWAN-CLEVELAND-LINCOLN-GASTON-MECKLENBURG-CABARRUS-UNION NC- GREATER CALDWELL-GREATER BURKE-EASTERN MCDOWELL- GREATER RUTHERFORD-EASTERN POLK-GREATER OCONEE-GREATER PICKENS- GREATER GREENVILLE-SPARTANBURG-CHEROKEE-YORK-ANDERSON-ABBEVILLE- LAURENS-UNION SC-CHESTER-GREENWOOD- INCLUDING THE CITIES OF...TOCCOA...HARTWELL...ELBERTON... STATESVILLE...MOCKSVILLE...HICKORY...SALISBURY...SHELBY... LINCOLNTON...GASTONIA...CHARLOTTE...CONCORD...MONROE... GREENVILLE...SPARTANBURG...GAFFNEY...ROCK HILL...ANDERSON... ABBEVILLE...LAURENS...UNION...CHESTER...GREENWOOD 248 PM EDT MON JUL 11 2011 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 9 PM EDT TUESDAY... * LOCATIONS...THE FOOTHILLS AND WESTERN PIEDMONT OF THE CAROLINAS AND NORTHEAST GEORGIA. * TEMPERATURES...HIGHS 95 TO 100. HEAT INDEX VALUES FROM 105 TO 109 DEGREES. * IMPACTS...HAZARDOUS CONDITIONS FOR OUTDOOR ACTIVITIES. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. TO REDUCE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE IS AN EMERGENCY - CALL 9 1 1. Link to comment Share on other sites More sharing options...
Snowless in Carrollton Posted July 11, 2011 Share Posted July 11, 2011 I wonder why areas just 15-20 miles to my west in Alabama are under a Heat Advisory but we aren't ?? Does Birmingham have different criteria for heat advisories? Link to comment Share on other sites More sharing options...
Psalm 148:8 Posted July 11, 2011 Share Posted July 11, 2011 I wonder why areas just 15-20 miles to my west in Alabama are under a Heat Advisory but we aren't ?? Does Birmingham have different criteria for heat advisories? Just got a text from NWS...We are now under one Correction.....parts of Ga are under one..not me. Link to comment Share on other sites More sharing options...
LithiaWx Posted July 11, 2011 Share Posted July 11, 2011 FFC just issued a heat advisory! URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE PEACHTREE CITY GA 356 PM EDT MON JUL 11 2011 ...A HEAT ADVISORY IS IN EFFECT FOR PORTIONS OF NORTH AND CENTRAL GEORGIA TUESDAY THROUGH EARLY WEDNESDAY MORNING... GAZ024-025-027-032>039-044>051-055>062-068>076-078>086-089>098- 102>113-120400- /O.NEW.KFFC.HT.Y.0001.110712T1500Z-110713T0900Z/ BANKS-JACKSON-MADISON-COBB-NORTH FULTON-GWINNETT-BARROW-CLARKE- OCONEE-OGLETHORPE-WILKES-SOUTH FULTON-DEKALB-ROCKDALE-WALTON- NEWTON-MORGAN-GREENE-TALIAFERRO-CLAYTON-SPALDING-HENRY-BUTTS- JASPER-PUTNAM-HANCOCK-WARREN-PIKE-UPSON-LAMAR-MONROE-JONES- BALDWIN-WASHINGTON-GLASCOCK-JEFFERSON-HARRIS-TALBOT-TAYLOR- CRAWFORD-BIBB-TWIGGS-WILKINSON-JOHNSON-EMANUEL-MUSCOGEE- CHATTAHOOCHEE-MARION-SCHLEY-MACON-PEACH-HOUSTON-BLECKLEY-LAURENS- TREUTLEN-STEWART-WEBSTER-SUMTER-DOOLY-CRISP-PULASKI-WILCOX-DODGE- TELFAIR-WHEELER-MONTGOMERY-TOOMBS- INCLUDING THE CITIES OF...MARIETTA...ATLANTA...LAWRENCEVILLE... ATHENS...EAST POINT...DECATUR...CONYERS...COVINGTON...GRIFFIN... MILLEDGEVILLE...MACON...SWAINSBORO...COLUMBUS...WARNER ROBINS... DUBLIN...LUMPKIN...AMERICUS...CORDELE...VIDALIA 356 PM EDT MON JUL 11 2011 ...HEAT ADVISORY IN EFFECT FROM 11 AM TUESDAY TO 5 AM EDT WEDNESDAY DUE TO HIGH TEMPERATURES AND HUMIDITY... THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A HEAT ADVISORY...WHICH IS IN EFFECT FROM 11 AM TUESDAY TO 5 AM EDT WEDNESDAY. * THE HEAT ADVISORY AREA IS FOR PORTIONS OF NORTH AND CENTRAL GEORGIA...GENERALLY SOUTH OF A LINE FROM HAMILTON THROUGH MARIETTA TO HOMER. THIS AREA IS EXPECTING TO HAVE HEAT INDICES EQUAL TO OR GREATER THAN 105 DEGREES ON TUESDAY AND MINIMUM TEMPERATURES NO LOWER THAN 75 DEGREES ON TUESDAY AND WEDNESDAY MORNINGS. * TEMPERATURES...HIGHS FROM 95 TO 100 DEGREES ON TUESDAY. * IMPACTS...HAZARDOUS CONDITIONS FOR OUTDOOR ACTIVITIES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HEAT ADVISORY MEANS THAT A PERIOD OF DANGEROUS HEAT IS EXPECTED. DRINK PLENTY OF FLUIDS...STAY IN AN AIR-CONDITIONED ROOM AND STAY OUT OF DIRECT SUNSHINE. REMEMBER...THE ELDERLY...VERY YOUNG...AND PEOPLE WITH HEART CONDITIONS ARE MOST AT RISK IN EXTREME HEAT. FRIENDS...RELATIVES... AND NEIGHBORS SHOULD CHECK ON PEOPLE WHO MAY BE AT RISK. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY MORNING OR AFTER SUNSET. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. TO REDUCE RISK DURING OUTDOOR WORK THE OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE IS AN EMERGENCY - CALL 911. Link to comment Share on other sites More sharing options...
LithiaWx Posted July 11, 2011 Share Posted July 11, 2011 Just got a text from NWS...We are now under one actually he is not.... for some reason there is a section of north and NW Georgia not under advisory. Very puzzling. Link to comment Share on other sites More sharing options...
jrips27 Posted July 11, 2011 Share Posted July 11, 2011 Heat advisory! URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE PEACHTREE CITY GA 356 PM EDT MON JUL 11 2011 ...A HEAT ADVISORY IS IN EFFECT FOR PORTIONS OF NORTH AND CENTRAL GEORGIA TUESDAY THROUGH EARLY WEDNESDAY MORNING... A very oddly shaped one I might add. Link to comment Share on other sites More sharing options...
Snowless in Carrollton Posted July 11, 2011 Share Posted July 11, 2011 Why on earth are areas west of Atlanta not under a Heat Advisory, but areas to our east ( Atlanta) and areas to our west ( Alabama) are under one ? We are sandwiched in between. Cities as far south as LaGrange are not under a Heat Advisory but the northern suburbs of Atlanta are. Link to comment Share on other sites More sharing options...
LithiaWx Posted July 11, 2011 Share Posted July 11, 2011 Why on earth are areas west of Atlanta not under a Heat Advisory, but areas to our east ( Atlanta) and areas to our west ( Alabama) are under one ? We are sandwiched in between. Very, very odd, I have no idea and frankly it makes no sense at all. I'm gonna send Steve a PM and ask why.... Link to comment Share on other sites More sharing options...
Snowless in Carrollton Posted July 11, 2011 Share Posted July 11, 2011 Very, very odd, I have no idea and frankly it makes no sense at all. I'm gonna send Steve a PM and ask why.... The only thing I can think of is that the areas not under a Heat Advisory will not be warm enough in the morning to meet the criteria. Link to comment Share on other sites More sharing options...
metalicwx366 Posted July 11, 2011 Share Posted July 11, 2011 We have a forecasted high of 98 tuesday and Twc forecast says heat index near 115. NWS in Jax says we will be on the borderline for a heat advisory and our overnight low will be 76. I doubt accuweather real feel temp is right. Its doesnt feel like 118. . What are some of you alls forecasted temps with the heat advisory? Link to comment Share on other sites More sharing options...
DixieBlizzard Posted July 11, 2011 Share Posted July 11, 2011 Very, very odd, I have no idea and frankly it makes no sense at all. I'm gonna send Steve a PM and ask why.... Glenn Burns got out his handy dandy thunderstorm forecaster for tomorrow and gave Peachtree City a "head's up" where thunderstorms would develop tomorrow before those areas reach advisory criteria. Actually, a heat advisory is probably one advisory that I could do without. It is still stinking hot! Link to comment Share on other sites More sharing options...
LithiaWx Posted July 11, 2011 Share Posted July 11, 2011 Glenn Burns got out his handy dandy thunderstorm forecaster for tomorrow and gave Peachtree City a "head's up" where thunderstorms would develop tomorrow before those areas reach advisory criteria. Actually, a heat advisory is probably one advisory that I could do without. It is still stinking hot! What an utter and absolute joke. I know you were kidding but he is really a joke and I have seen his pinpoint forecasts before. He tries to get people to believe he can predict where a popup storm will hit 24 hours in advance. Link to comment Share on other sites More sharing options...
DaculaWeather Posted July 11, 2011 Share Posted July 11, 2011 Heat Index still 105 here. Link to comment Share on other sites More sharing options...
Solak Posted July 11, 2011 Share Posted July 11, 2011 From the 'Fish' vial @WRALWeather Greg: "The heat and humidity tomorrow will be unlike anything we've experienced so far this summer in terms of danger and discomfort." Link to comment Share on other sites More sharing options...
SN_Lover Posted July 11, 2011 Share Posted July 11, 2011 Hopefully this line will survive its journey southward and moisten the ground and retard the temperature tomorrow. Heat index surpassed 105F here today Link to comment Share on other sites More sharing options...
NCBlizzard Posted July 11, 2011 Share Posted July 11, 2011 Air conditioning broke just in time for the hottest stretch of days Link to comment Share on other sites More sharing options...
LithiaWx Posted July 11, 2011 Share Posted July 11, 2011 KMGE has crept up to 96. I called for 98 today. I think we may eek out 97 so my call was not TOO bad. Dewpoints are lowering so it actually feels better now than it did near mid day despite a higher air temp. Link to comment Share on other sites More sharing options...
FoothillsNC Posted July 11, 2011 Share Posted July 11, 2011 Air conditioning broke just in time for the hottest stretch of days that happened to me last June very early. Had to wait a full 30 days, most of them with no AC. Good luck! Its terribly humid, even at night so its not going to be comfortable anytime. Link to comment Share on other sites More sharing options...
Snowless in Carrollton Posted July 11, 2011 Share Posted July 11, 2011 Glenn Burns says the new computer models are in and they are showing widespread rain for the Atlanta area tomorrow and he is no longer confident Atlanta will reach heat advisory criteria Link to comment Share on other sites More sharing options...
Itunis Posted July 11, 2011 Share Posted July 11, 2011 The only thing I can think of is that the areas not under a Heat Advisory will not be warm enough in the morning to meet the criteria. That sounds right. Notice how Cobb County kinda sticks out from the rest of the county? That's because areas like Marietta have enough of an UHI effect to allow the county to meet the >75 morning low criteria. There is sound reasoning going into the advisory area coverage, no need to bash FFC. I was outside this afternoon and while it was hot, it wasn't as bad as I was expecting. We were in the lower 90s with DPs in the lower 70s, nothing compared to the upper 90s with DPs close to 80 out in the Mississippi River Valley. Link to comment Share on other sites More sharing options...
Snowless in Carrollton Posted July 11, 2011 Share Posted July 11, 2011 That sounds right. Notice how Cobb County kinda sticks out from the rest of the county? That's because areas like Marietta have enough of an UHI effect to allow the county to meet the >75 morning low criteria. There is sound reasoning going into the advisory area coverage, no need to bash FFC. I was outside this afternoon and while it was hot, it wasn't as bad as I was expecting. We were in the lower 90s with DPs in the lower 70s, nothing compared to the upper 90s with DPs close to 80 out in the Mississippi River Valley. And even in Cincinnati the dp was near 80 today with heat index 110-115 !! Very unusual for that area I would think. Link to comment Share on other sites More sharing options...
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