UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120112.upa.cvt Date: 1200Z 1 DEC 25 Searching for PAKN... Searching the city database file for: PAKN ... Date:1200Z 1 DEC 25 Station: PAKN WMO ident: 70326 Latitude: 58.68 Longitude: -156.65 Elevation: 15.00 ------------------------------------------------------------------------------- LEV PRES HGHT TEMP DEWP RH DD WETB DIR SPD THETA THE-V THE-W THE-E W mb m C C % C C deg knt K K K K g/kg ------------------------------------------------------------------------------- 0 1000 -21 SFC 996 15 3.4 2.5 94 0.9 3.0 80 2 276.9 277.6 276.3 289.4 4.60 2 993 39 4.4 1.9 84 2.5 3.2 278.1 278.9 276.7 290.2 4.42 3 977 171 4.8 1.0 76 3.8 3.1 279.8 280.5 277.4 291.5 4.21 4 969 238 5.8 1.1 72 4.7 3.7 281.5 282.2 278.3 293.4 4.27 5 949 407 5.6 2.0 78 3.6 3.9 283.0 283.8 279.6 296.0 4.65 6 925 615 4.0 2.2 88 1.8 3.1 145 7 283.4 284.2 280.0 296.9 4.85 7 895 882 1.6 1.5 99 0.1 1.5 283.6 284.4 280.0 296.9 4.76 8 854 1259 0.0 0.0 100 0.0 0.0 285.8 286.5 280.7 298.4 4.48 9 850 1297 0.2 0.2 100 0.0 0.2 170 9 286.4 287.2 281.0 299.3 4.56 10 847 1325 0.6 0.5 99 0.1 0.5 287.1 287.9 281.5 300.4 4.68 11 739 2409 -5.7 -6.0 98 0.3 -5.8 291.6 292.2 281.9 301.3 3.30 12 737 2430 -4.9 -6.7 87 1.8 -5.6 292.7 293.3 282.2 302.0 3.14 13 730 2506 -4.7 -8.1 77 3.4 -6.0 293.7 294.2 282.3 302.2 2.84 14 722 2592 -5.3 -8.6 78 3.3 -6.5 294.0 294.5 282.3 302.3 2.76 15 706 2768 -6.1 -11.1 68 5.0 -7.8 295.0 295.4 282.2 302.0 2.32 16 700 2835 -6.7 -11.1 71 4.4 -8.2 180 7 295.1 295.5 282.3 302.1 2.34 17 698 2857 -6.9 -10.8 74 3.9 -8.2 295.1 295.5 282.3 302.4 2.40 18 677 3095 -8.7 -12.3 75 3.6 -9.9 295.7 296.1 282.3 302.3 2.19 19 675 3118 -8.9 -12.4 76 3.5 -10.1 295.7 296.1 282.3 302.3 2.18 20 671 3164 -9.3 -13.4 72 4.1 -10.6 295.7 296.1 282.1 301.9 2.03 21 641 3516 -12.1 -14.8 80 2.7 -12.9 296.5 296.8 282.3 302.3 1.89 22 622 3746 -14.1 -14.6 96 0.5 -14.2 296.7 297.1 282.5 302.8 1.98 23 611 3881 -14.5 -16.7 83 2.2 -15.1 297.8 298.1 282.6 303.1 1.69 24 600 4019 -15.7 -17.6 85 1.9 -16.2 297.9 298.2 282.5 302.9 1.60 25 592 4120 -16.3 -19.8 74 3.5 -17.1 298.4 298.6 282.4 302.6 1.34 26 580 4274 -17.5 -19.2 87 1.7 -17.9 298.7 299.0 282.7 303.3 1.44 27 555 4603 -19.9 -23.3 74 3.4 -20.6 299.7 299.9 282.6 303.1 1.05 28 542 4779 -21.3 -23.5 82 2.2 -21.7 300.1 300.3 282.8 303.5 1.06 29 506 5283 -24.5 -29.0 66 4.5 -25.2 302.1 302.3 283.1 304.4 0.69 30 500 5370 -25.1 -29.2 69 4.1 -25.8 185 12 302.4 302.6 283.2 304.7 0.68 31 486 5575 -26.5 -29.5 76 3.0 -26.9 303.2 303.3 283.6 305.4 0.68 32 453 6079 -29.7 -34.1 66 4.4 -30.2 305.3 305.4 284.1 306.9 0.47 33 414 6712 -35.3 -40.3 60 5.0 -35.7 306.1 306.1 284.2 307.1 0.28 34 402 6916 -37.3 -40.8 70 3.5 -37.6 306.1 306.1 284.2 307.0 0.27 35 400 6950 -37.5 -42.1 62 4.6 -37.8 220 14 306.3 306.3 284.2 307.1 0.24 36 399 6967 -37.7 -42.7 59 5.0 -38.1 306.2 306.3 284.2 307.0 0.22 37 396 7019 -38.1 -44.1 53 6.0 -38.5 306.4 306.4 284.2 307.0 0.19 38 377 7355 -41.1 -44.4 70 3.3 -41.3 306.7 306.8 284.4 307.4 0.20 39 373 7427 -41.7 -46.3 61 4.6 -41.9 306.9 306.9 284.4 307.4 0.16 40 367 7536 -42.7 -46.5 66 3.8 -42.9 307.0 307.0 284.4 307.5 0.16 41 355 7759 -44.5 -52.5 41 8.0 -44.8 307.5 307.5 284.5 307.8 0.08 42 346 7930 -45.9 -53.9 40 8.0 -46.2 307.8 307.9 284.6 308.1 0.07 43 321 8423 -50.5 -55.4 56 4.9 -50.6 308.2 308.2 284.7 308.4 0.07 44 311 8628 -52.1 -58.1 48 6.0 -52.2 308.7 308.7 284.9 308.9 0.05 45 300 8860 -54.1 -58.1 61 4.0 -54.2 205 18 309.1 309.1 285.1 309.3 0.05 46 288 9122 -55.9 -59.1 67 3.2 -55.9 310.2 310.2 285.4 310.3 0.05 47 287 9144 -56.1 -59.3 67 3.2 -56.2 310.2 310.2 285.4 310.3 0.04 48 277 9370 -56.9 -60.8 61 3.9 -57.0 200 23 312.2 312.2 286.2 312.3 0.04 49 275 9416 -56.9 -60.7 62 3.8 -57.0 312.8 312.8 286.4 313.0 0.04 50 273 9462 -56.5 -61.3 55 4.8 -56.6 314.1 314.1 286.8 314.2 0.04 51 269 9556 -54.9 -67.9 19 13.0 -55.1 317.7 317.7 288.0 317.8 0.02 52 264 9677 -53.9 -73.9 7 20.0 -54.1 320.9 320.9 289.0 320.9 0.01 53 259 9801 -51.9 -74.9 5 23.0 -52.2 325.6 325.6 290.5 325.6 0.01 54 250 10030 -52.7 -74.7 5 22.0 -53.0 225 26 327.7 327.7 291.0 327.7 0.01 55 240 10294 -53.1 -76.1 4 23.0 -53.4 331.0 331.0 292.0 331.0 0.01 56 225 10710 -52.9 -78.9 3 26.0 -53.2 337.4 337.4 293.7 337.5 0.00 57 209 11191 -49.1 -79.1 2 30.0 -49.6 350.6 350.6 296.8 350.6 0.00 58 200 11480 -49.1 -80.1 1 31.0 -49.6 230 31 355.0 355.0 297.7 355.0 0.00 59 150 13370 -48.3 -81.3 1 33.0 -49.1 215 30 386.8 386.8 303.3 386.9 0.00 60 100 16040 -47.5 -82.5 1 35.0 -48.7 215 24 435.9 435.9 309.4 436.0 0.00 61 93 16521 -46.9 -81.9 1 35.0 -48.3 446.3 446.3 310.5 446.3 0.01 62 82 17350 -49.9 -83.9 1 34.0 -51.0 456.5 456.5 311.4 456.5 0.00 63 75 17936 -48.1 -83.1 1 35.0 -49.6 472.1 472.1 312.8 472.1 0.01 64 70 18390 -48.9 -83.9 1 35.0 -50.3 215 19 479.8 479.8 313.4 479.8 0.00 65 67 18678 -49.3 -84.3 1 35.0 -50.7 485.0 485.0 313.8 485.0 0.00 66 65 18877 -47.9 -82.9 1 35.0 -49.6 492.2 492.2 314.4 492.3 0.01 67 59 19516 -48.7 -83.7 1 35.0 -50.4 504.3 504.3 315.2 504.3 0.01 68 52 20350 -47.1 -83.1 1 36.0 -49.3 526.5 526.5 316.7 526.6 0.01 69 50 20610 -47.7 -83.7 1 36.0 -49.8 195 30 531.1 531.1 317.0 531.1 0.01 70 38 22418 -48.1 -84.1 1 36.0 -50.7 573.4 573.4 319.3 573.5 0.01 71 35 22964 -43.9 -82.9 1 39.0 -47.8 598.0 598.0 320.5 598.1 0.01 72 33 23359 -43.1 -82.1 1 39.0 -47.4 610.3 610.3 321.0 610.4 0.01 73 30 24000 -43.7 -82.7 1 39.0 -48.1 175 54 625.5 625.5 321.7 625.6 0.01 74 28 24463 -42.9 -81.9 1 39.0 -47.7 640.2 640.2 322.3 640.3 0.02 75 23 25783 -44.1 -83.1 1 39.0 -49.1 673.7 673.7 323.6 673.8 0.02 76 21 26387 -47.3 -84.3 1 37.0 -51.5 681.8 681.8 323.9 681.9 0.02 77 20 26710 -46.5 -83.5 1 37.0 -51.1 160 57 693.8 693.9 324.2 694.0 0.02 78 16 28187 -46.9 -83.9 1 37.0 -52.1 738.3 738.3 325.6 738.4 0.02 79 15 28615 -45.7 -83.7 1 38.0 -51.5 756.0 756.0 326.1 756.2 0.02 80 13 29562 -48.1 -85.1 1 37.0 -53.5 779.3 779.3 326.7 779.5 0.02 81 11 30664 -47.3 -84.3 1 37.0 -53.6 820.3 820.3 327.7 820.6 0.03 82 10 31290 -50.1 -85.1 1 35.0 -55.5 150 73 832.5 832.5 328.0 832.8 0.03 83 9.1 31904 -51.5 -86.5 1 35.0 -56.7 849.9 849.9 328.4 850.1 0.02 TRP 277 9370 -56.9 -60.8 61 3.9 -57.0 200 23 312.2 312.2 286.2 312.3 0.04 WND 9.0 155 82 Sounding variables and indices 1000-500 mb thick: 5391.00 m Freezing level: 836.71 mb = 1428.60 m = 4686.96 ft Wetbulb zero: 837.75 mb = 1412.65 m = 4634.63 ft Precipitable water: 0.64 inches Sfc-500 mean rel hum: 84.77 % Est. max temperature: 13.63 C = 56.53 F Sfc-Lift cond lev (LCL): 982.26 mb = 127.45 m = 418.14 ft T: 4.67 C 700-500 lapse rate: 7.26 C/km ThetaE index: 0.24 C Layer 706.0- 700.0 mb Conv cond level (CCL): 868.73 mb = 1121.74 m = 3680.21 ft Mean mixing ratio: 4.60 g/kg Conv temperature: 11.50 C = 52.69 F Cap Strength: 7.36 C Lifted Index: 7.52 C Risk: None Lifted Index @300 mb: 10.16 C Lifted Index @700 mb: 5.76 C Showalter Index: 4.35 C Risk: None Total Totals Index: 50.60 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 25.30 C Cross Totals Index: 25.30 C K Index: 21.10 Risk: 20-40 % chance of thunderstorms Sweat Index: 64.40 Risk: None Energy Index: 1.10 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 21.73 J/kg Max Up Vert Vel: 6.59 m/s Conv Inhibition (B-): 61716.70 J/kg Cap Strength: 7.35 C Lift Cond Lev (LCL): 907.22 mb = 772.27 m = 2533.66 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data ------------------------------------ TRUE/GROUND REL LEV P H DIR SPD U V mb m knt m/s ------------------------------------ 0 9 37671 155 82 -34.7 74.3 1 996 15 80 2 -2.0 -0.3 2 961 305 120 12 -10.4 6.0 3 926 610 145 7 -4.0 5.7 4 925 615 145 7 -4.0 5.7 5 891 914 160 14 -4.8 13.2 6 858 1219 170 17 -3.0 16.7 7 850 1297 170 9 -1.6 8.9 8 826 1524 175 5 -0.4 5.0 9 795 1829 180 7 0.0 7.0 10 765 2134 175 11 -1.0 11.0 11 736 2438 190 11 1.9 10.8 12 708 2743 180 9 0.0 9.0 13 700 2835 180 7 0.0 7.0 14 628 3658 190 9 1.6 8.9 15 603 3962 190 11 1.9 10.8 16 579 4267 195 16 4.1 15.5 17 556 4572 175 14 -1.2 13.9 18 534 4877 185 13 1.1 13.0 19 500 5370 185 12 1.0 12.0 20 451 6096 200 15 5.1 14.1 21 432 6401 225 11 7.8 7.8 22 414 6706 205 13 5.5 11.8 23 400 6950 220 14 9.0 10.7 24 396 7010 220 15 9.6 11.5 25 362 7620 220 18 11.6 13.8 26 315 8534 220 19 12.2 14.6 27 301 8839 215 19 10.9 15.6 28 300 8860 205 18 7.6 16.3 29 287 9144 190 17 3.0 16.7 30 277 9370 200 23 7.9 21.6 31 250 10030 225 26 18.4 18.4 32 227 10668 235 24 19.7 13.8 33 216 10973 210 24 12.0 20.8 34 206 11278 220 29 18.6 22.2 35 200 11480 230 31 23.7 19.9 36 188 11887 230 33 25.3 21.2 37 179 12192 245 26 23.6 11.0 38 171 12497 225 26 18.4 18.4 39 156 13106 230 28 21.4 18.0 40 150 13370 215 30 17.2 24.6 41 149 13411 210 30 15.0 26.0 42 136 14021 245 25 22.7 10.6 43 124 14630 250 16 15.0 5.5 44 113 15240 215 24 13.8 19.7 45 108 15545 190 26 4.5 25.6 46 103 15850 215 27 15.5 22.1 47 100 16040 215 24 13.8 19.7 48 98 16154 205 25 10.6 22.7 49 94 16459 205 25 10.6 22.7 50 74 17983 220 29 18.6 22.2 51 71 18288 220 17 10.9 13.0 52 70 18390 215 19 10.9 15.6 53 68 18593 215 19 10.9 15.6 54 65 18898 190 19 3.3 18.7 55 62 19202 185 23 2.0 22.9 56 59 19507 190 24 4.2 23.6 57 54 20117 205 22 9.3 19.9 58 50 20610 195 30 7.8 29.0 59 45 21336 180 30 0.0 30.0 60 43 21641 200 30 10.3 28.2 61 39 22250 180 37 0.0 37.0 62 34 23165 180 34 0.0 34.0 63 30 24000 175 54 -4.7 53.8 64 28 24384 175 54 -4.7 53.8 65 27 24689 175 57 -5.0 56.8 66 23 25908 170 46 -8.0 45.3 67 20 26710 160 57 -19.5 53.6 68 18 27432 165 58 -15.0 56.0 69 14 28956 155 47 -19.9 42.6 70 12 29870 160 53 -18.1 49.8 71 12 30175 145 58 -33.3 47.5 72 10 31290 150 73 -36.5 63.2 Wind Parameters Energy-Hel index: -1.36 Storm Parameters ------------------------------------------------------------------------------- Depth Mean Inflow| Shear | Helicity | Vorticity AGL Dir Spd Dir Spd| Pos Neg Tot| Pos Neg Tot Ave Rel | Hor Strm m knt knt| 10^-3/s | m^2/s^2 m/s^2 | 10^-3/s ------------------------------------------------------------------------------- 500 NO DATA | | | 1000 NO DATA | | | 1500 NO DATA | | | 2000 NO DATA | | | 2500 NO DATA | | | 3000 NO DATA | | | 4000 NO DATA | | | 5000 NO DATA | | | 6000 NO DATA | | | Wrote GIF file: /home/apache/climate/data/raob//PAKN/skewt/PAKN.skewt.20251201.12.gif