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20030204: FRNTDISP problem drawing one of today's fronts

>From:  Barry Roth <address@hidden>
>Organization:  SSEC
>Keywords:  200302042007.h14K74612086 McIDAS FRNTDISP

Hi Barry,

>Thought I'd let you know about a problem I ran into today while using
>the FRNTDISP command in -XRD 2002. That's version 1.6 of frntdisp.pgm.
>
>I wanted to alert you about it today since I think the problem may occur
>very rarely (i.e., when there's an occluded front in a specific
>orientation). Here's the problem:
>   If your PROJECTION= global keyword in MAP.* is set to MERC (instead
>   of CONF), then FRNTDISP USA doesn't draw today's occluded front
>   running through NY and PA correctly (it omits the round and pointed
>   barbs) and gives the following error message in yellow:
>        FRNTDISP: ORINPT DY IS SMALL
>   The other fronts look fine. The problem may be due to the occluded
>   front having a North-South alignment and the projection being
>   mercator.

OK.  I can replicate the problem by trying to overlay the front
on top of a NY PRO=MERC map for the latest front time.

>I saved the FSUS2 and ASUS1 bulletins that I believe it was using from
>earlier today into a text file. I've attached it (FRNTDISP_BUG.TXT) in
>case they help and you're interested in looking at the problem

I don't need these, but thanks anyway.

>TFILE did OPEN on window 4
>WXTLIST WMO=ASUS1 NUM=3
>ASUS01 KWBC 041638                                              2003035 1649
>CODSUS
>VALID 020415Z
>HIGHS 1026 3397 1025 36109 1030 4999 1026 6897 1035 54128 1020 5868 1026 3059
>LOWS 974 49160 992 4950 982 5747 1020 54107 979 4780 1017 44104 1018 41106
>1011 70133
>COLD WK 3977 3878 3679 3580 3580 3481 3381 3282 3183 3084
>2886 2787 2688 2590 2592 2593 2494 2496 2398 23100
>24101
>WARM WK 3977 3977 3977 3976 3975 4074 4172 4170 4168 4066
>3965 3964
>OCFNT WK 4780 4779 4679 4678 4577 4477 4377 4277 4177 4077
>3977 3977
>OCFNT WK 48160 50160 51157 51154 51151 50149 49147 47146 44145 42145
>COLD WK 42145 38146 36147 33149 29152 27155
>WARM WK 42145 39143 35141
>TROF 51162 52162 55162 57161 60159
>STNRY WK 54107 54108 55110 55111 55112 55115 56117 58120 60122 60125
>59127 59129 60133 61135 62138 62141 63144 64144 64146 65149
>65152 65153 65155 65157 65160 64161 63161 63162 61163 58163
>55166 53168 52172 51175
>STNRY WK 43103 44105 45106 46108 48108 50108
>TROF 4949 4948 4748 4649 4451 4353
>OCFNT WK 5747 5845 5941 5938 5937
>WARM WK 5937 5933 5830 5726 5523 5320
>COLD WK 5937 5737 5438 5040 4441 4242 3842 3544 3346
>WARM WK 54107 53107 52108 52108 51108 51107 50108
>TROF 67157 68153 69146 71141
>TROF 16139 19141 23143 29144
>TROF 3084 2984 2885 2686
>TROF 3780 3681 3582 3583 3484
>TROF 4298 4199 42102 42104 41105
>TROF 4480 4479 4379 4279 4279
>TROF 39124 40124 41125 43125 44125
>TROF 4780 4879 5178 5377 5677 5979
>TROF 4677 4576 4575 4573 4572 4470
>TROF 6149 6449 6750 6952 7359 7772
>ASUS1 KWBC 041329                                               2003035 1340
>CODSUS
>VALID 020412Z
>HIGHS 1023 3159 1021 36109 1030 49100 1024 3398 1035 54129 1026 6897 1020
>5767
>LOWS 1016 44104 977 4682 984 5348 974 49159 1010 70134
>STNRY WK 42104 43104 44105 45107 46109 47109 48110 50109 51109 53110
>54113 55116 57119 58120
>WARM WK 3979 3879 3878 3878 3876 3875 3873 3872 3870 3870
>3868 3767
>COLD WK 3979 3780 3681 3582 3383 3185 2987 2889 2592 2495
>2598 27100
>OCFNT WK 4581 4580 4479 4279 4179 3979 3979
>TROF 5949 6348 6849 7256 7561
>STNRY WK 64151 64154 65158 64161 63162 60163 57167 55171 53175
>TROF 32113 31113 28111 25109 22108 20106 18106
>COLD WK 5936 5836 5637 5339 5040 4142 3844 3545 3247
>WARM WK 5936 5833 5729 5627
>OCFNT WK 5449 5647 5744 5841 5839 5936
>TROF 5349 5149 4649 4351 4054
>TROF 4781 4978 5278 5578 5880
>OCFNT WK 49160 50159 50156 50152 49148 47146 45145 42145
>WARM WK 42145 38143 35142 33141
>COLD WK 42145 39145 37146 35147 32150 29153
>TROF 50161 52162 55162 58160
>STNRY WK 1965 1867 1769
>TROF 29143 26143 23142 19140 16139
>ASUS1 KWBC 041031                                               2003035 1042
>CODSUS
>VALID 020409Z
>HIGHS 1025 3599 1022 36112 1030 52101 1024 2863 1037 4125 1021 5870 1034
>53130
>LOWS 980 4582 1015 44104 982 5052 987 5850 975 47160 996 63163
>COLD WK 46146 41146 36148 32152 28154
>WARM WK 46146 44144 41142 38141
>OCFNT WK 48161 50158 49153 47148 46146
>COLD WK 5937 5638 5141 4543 3944 3247
>WARM WK 5937 5731 5426
>OCFNT WK 5851 6048 6042 5937
>COLD WK 4381 4181 3981 3683 3583 3385 3386 3287 3088 2989
>2891 2793 2694 2697 2699 27101 28103 30104 32105
>OCFNT WK 4582 4482 4381 4281
>WARM WK 4381 4281 4180 4080 3980 3880 3780 3780 3779 3877
>3873 3769
>STNRY WK 43100 44103 46108 47110 48110 49110
>WARM WK 4680 4579 4577 4575
>STNRY WK 4468 4469 4571 4573 4574 4575
>TROF 7664 7155 6752 6349
>STNRY WK 65128 67138 67147 67153 66158 64161 62163 59163
>TROF 5053 4752 4352 4052
>WXTLIST: done
>WXTLIST WMO=FSUS2 NUM=3
>FSUS02 KWBC 041801                                              2003035 1812
>CODSRP
>
>36HR PROG VALID 060000Z
>HIGHS 1026 3881 1034 54123 1037 56102
>LOWS 1016 4495 1005 34106 1015 4884
>TROF 5362 5366 5472 5679 5984
>WARM WK 4496 4395 4294 4193
>COLD WK 37106 36106 35108 34110 32111 32113 32115
>STNRY WK 2993 2896 3099 31100 33102 33104
>STNRY WK 51115 53117 55119 57120 58120
>COLD WK 4496 4399 43103 44107 45109 47113 51115
>COLD WK 3468 3271 3074 2877 2579 2381 2284
>STNRY WK 2284 2386 2488 2490 2593
>STNRY WK 4477 4580 4783 4887 4791 4795 4798
>TROF 45124 43124 41124 39123 38122
>
>48HR PROG VALID 061200Z
>HIGHS 1041 50102 1028 3875 1028 43133 1035 53122
>LOWS 1019 4290 1009 33100
>STNRY WK 43108 45110 48113 53115 55115
>COLD WK 33100 32102 32105 31107 31109 31111 32113
>STNRY WK 4675 4578 4681 4686 4688 4489
>TROF 37122 41124 45125 49125
>WARM WK 33100 3199 3098 2997
>COLD WK 4190 4091 3992 3896 3799 37102 37103 39105 40105 42106
>43108
>STNRY WK 3169 3070 3074 2876 2879 2681 2583 2685 2888 2890
>2994 2997
>
>FSUS02 KWBC 041623                                              2003035 1634
>CODSRP
>12HR PROG VALID 050000Z
>HIGHS 1027 4597 1034 51131
>LOWS 974 4976 1009 26104 1018 52107 1009 36104 1013 35115
>WARM WK 4367 4264 4162 3961
>OCFNT WK 4976 4873 4770 4568 4367
>TROF 5076 5376 5676 5874
>STNRY WK 21100 22101 23101 25101 26102 26103 27105 28106
>WARM WK 52107 51106 48106 46105 45104
>TROF 36104 38103 41103 43105
>COLD WK 2783 2686 2390 2092
>COLD WK 4367 4168 3870 3573 3278 2881 2783
>TROF 45124 43124 41124 39123 38122 37121 36120
>COLD WK 38110 37111 37114 37116 38117
>COLD WK 52107 53111 55115 58119
>
>24HR PROG VALID 051200Z
>HIGHS 1027 3992 1033 53123 1029 41118
>LOWS 1015 47102 977 5272 1015 3273 1010 32104
>COLD WK 47102 47105 49109 51113 53115 55116
>WARM WK 47102 46102 43100 41100
>OCFNT WK 5273 5268 5164 4961 4759 4657 4557
>TROF 35120 37123 39124 43126 45126
>COLD WK 3961 3764 3568 3274 2977 2779
>STNRY WK 2390 2291 2092
>COLD WK 2779 2580 2483 2585 2487 2390
>TROF 5373 5475 5678 5880
>COLD WK 38108 37108 36109 35110 35112 35113 34114 34116
>FSUS2 KWBC 040834                                               2003035 0845
>CODSRP
>12HR PROG VALID 041800Z
>HIGHS 1030 4799 1025 3697 1026 51122
>LOWS 984 4575 978 4878
>OCFNT WK 4575 4575 4473 4273
>STNRY WK 38104 39104 41104 42103 43104 45105 46105 47106 49106 50106
>52106
>TROF 4978 5077 5276 5375 5474
>STNRY WK 4959 4962 4864 4866 4767 4769 4771 4873 4876 4877
>WARM WK 4273 4173 4171 4169 4167 4065 3964
>COLD WK 4273 3974 3776 3577 3379 3281 3082 2885 2687 2490
>2393 2395 2297
>
>24HR PROG VALID 050600Z
>HIGHS 1028 4294 45116
>LOWS 1009 34104 978 4974 1018 5299 983 4768
>TROF 5589 5393 5296 5299
>COLD WK 3964 3668 3372 3175 2978 2780 2682 2682 2485 2487
>2390 2392 2293 2194
>COLD WK 38109 36110 36111 35113 36116 35118 36119
>COLD WK 50102 50104 50107 52111 54113 56114 57115
>OCFNT WK 4768 4665 4563 4362
>OCFNT WK 5299 5199 50100 50102
>WARM WK 50102 49101 47101 46101 45100 44100 4399
>TROF 4974 4972 4870 4769
>TROF 5673 5474 5275 5175 5074
>WXTLIST: done
>TFILE CLOSE

Tom
--
+-----------------------------------------------------------------------------+
* Tom Yoksas                                             UCAR Unidata Program *
* (303) 497-8642 (last resort)                                  P.O. Box 3000 *
* address@hidden                                   Boulder, CO 80307 *
* Unidata WWW Service                             http://www.unidata.ucar.edu/*
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