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#11
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![]() "Jack" wrote: With onboard radar and a cruising altitude of FL260, one would think it would be relatively easy to avoid penetrating a thunderstorm. It's just as easy with no radar and a service ceiling in the low teens: just say, "No!" If you 'just say, "No!"' to flying any time the NEXRAD is blooming, you won't use your airplane for travel very much near the Gulf Coast for most of the year - unless you can finish all your flights before 10 AM. CBs down here are like ants at a picnic: you're just going to have to deal with them if you want to play. Getting up high enough is one way, but that means flying at least a turbo or preferably a pressurized turbine airplane. If you don't have that, you have to decide where you can fly and still see the bad boys. On most summer days, towering CU tops are 10,000 by noon, so if there are more than a few isolated storms the best bet is to stay down below the bases. There, you can at least see where the dark spots are. Of course the down side of this is that you will have a hot, muggy, bumpy ride, but at least you won't blunder into a trap because you couldn't see what was coming. Some kind of weather detection gear is a must. I tried doing without up until last year and it is simply too frustrating, unnerving and dangerous. Fortunately, there are lots of solutions appearing for light GA aircraft in addition to the old spherics stanbys. Yes, there are still days when I can't get there because of thunderstorms (once, so far this year), but it takes a solid line of rough stuff to stop me. -- Dan C172RG at BFM |
#12
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#13
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![]() "Jack" wrote: That's "No!" to "penetrating a thunderstorm", if you'll take a closer look, and is not the same as "No!" to flying. Mmmm, well, forgive me if I misinterpreted your statement, but who deliberately pentrates a thunderstorm? Weather research planes are the only ones I can think of. Radar and FL 260 capability is no defense against thunderstorms, No, but that kind of altitude capability gives one a lot better look at things most days than I get, for instance. Day or night, with radar or without, stay VMC in areas with thunderstorms and give them a wide berth. In general, I agree with this but I make some careful exceptions. Since I now have NEXRAD in the airplane, I will fly in IMC with thunderstorms about if 1) I am not attempting to fly through a gap in a line of storms 2) I am sure I always have a wide avenue "out" in some direction. We didn't accumulate those hours by treating thunderstorms lightly. If I gave the impression that I think thundersorms should be treated lightly, I expressed myself poorly. Thunderstorms scare the s*** out of me. There are a number of ways to avoid the dangers of thunderstorms, and only one of them is "not flying". Yep. -- Dan C172RG at BFM |
#14
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On Fri, 18 Jun 2004 15:07:29 -0500, Dan Luke wrote:
CBs down here are like ants at a picnic: you're just going to have to deal with them if you want to play. Getting up high enough is one way, but that means flying at least a turbo or preferably a pressurized turbine airplane. If you don't have that, you have to decide where you can fly and still see the bad boys. On most summer days, towering CU tops are 10,000 by noon, so if there are more than a few isolated storms the best bet is to stay down below the bases. There, you can at least see where the dark spots are. Of course the down side of this is that you will have a hot, muggy, bumpy ride, but at least you won't blunder into a trap because you couldn't see what was coming. Dan You are so right in staying below the bases! There have been several trips I have made from MBO (Madison MS) to L31 (Covington LA) where I almost got myself in trouble. It's amazing how quickly the towering CU's build! Even before 9:00 a.m., I encountered tops over 6000. My last trip, I left MBO at 6:00 a.m. to drop off something my sister left behind, and 30 miles north of L31 tops were already 4000 at 7:15 a.m. Left at 7:45 and staying in the clear, climbed to 7,500 and tops were starting to build to my altitude. I went that high figuring to remain in the cool air and smoother ride. Needless to say, the clear air below me was starting to close up quickly ahead of me, and I didn't want to pick my way through "small holes". This weather was not forecasted (ok, they said 10 percent chance of thunderstorms). Just as you describe above, I descended (very quickly I might add!) down to 2000 (tallest object on sectional was 1100) and was able to see rain shafts developing under the towering CU's. Even though I remained VFR the entire time, my biggest fear was descending through the IFR altitudes, and I was afraid of IFR traffic popping out of the clouds, thus my reason to very quickly descend. I zig zagged my way home staying in the sunny areas at all time as I was afraid the rain shafts would produce undesirable downdrafts. I also keep a very wide berth of any rainshaft in the summer time, as I just assume that it's a thunderstorm. May be overly cautious, but I rather go 15 minutes out of my way, then to find myself in a pickle. GA aircraft in addition to the old spherics stanbys. Yes, there are still days when I can't get there because of thunderstorms (once, so far this year), but it takes a solid line of rough stuff to stop me. I don't know if I would be so calviar about this.... I have seen TCU's go from the scattered variety to a solid line in a 1/2 hour's period of time down here. I don't know what the definition of 10 percent chance of thunderstorms, but I was under the impression, if the forecast is for 10 percent, that is 10 percent of coverage, not a 1 in 10 chance of a thunderstorm. So, if you happened to have a thunderstorm over your head, you just so happen to be under the 10 percent of coverage. Allen |
#15
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![]() "A Lieberman" wrote: It's amazing how quickly the towering CU's build! Even before 9:00 a.m., I encountered tops over 6000. My last trip, I left MBO at 6:00 a.m. to drop off something my sister left behind, and 30 miles north of L31 tops were already 4000 at 7:15 a.m. Left at 7:45 and staying in the clear, climbed to 7,500 and tops were starting to build to my altitude. Sucks, don't it? Being a pilot way down South will make you hate summertime. ...but it takes a solid line of rough stuff to stop me. I don't know if I would be so calviar about this.... I have seen TCU's go from the scattered variety to a solid line in a 1/2 hour's period of time down here. Well, with the NEXRAD picture I've got now, I don't think I'm being cavalier about it if I fly through a 25-mile hole in a line of medium storms. The thing is to know the development trend. The looping NEXRAD display gives me that, so I know before I get there if the storms are closing ranks. Still, I grant you that I am pushing it harder and closer than I used to. -- Dan C172RG at BFM |
#16
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"A Lieberman" wrote in message
... I zig zagged my way home staying in the sunny areas at all time as I was afraid the rain shafts would produce undesirable downdrafts. I also keep a very wide berth of any rainshaft in the summer time, as I just assume that it's a thunderstorm. May be overly cautious, but I rather go 15 minutes out of my way, then to find myself in a pickle. It's easier on the paint too. Paul |
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