UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042800.upa.cvt Date: 0000Z 28 APR 25 Searching for PAKN... Searching the city database file for: PAKN ... Date:0000Z 28 APR 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 ------------------------------------------------------------------------------- SFC 1003 15 6.4 3.6 82 2.8 5.1 270 10 279.3 280.2 278.1 292.9 4.94 1 1000 37 5.2 3.0 86 2.2 4.2 235 7 278.4 279.2 277.3 291.3 4.74 2 999 45 5.2 3.0 86 2.2 4.2 236 7 278.4 279.2 277.4 291.4 4.75 3 963 344 2.4 2.4 100 0.0 2.4 251 10 278.5 279.3 277.4 291.5 4.72 4 925 668 0.4 0.4 100 0.0 0.4 220 9 279.7 280.4 277.4 291.5 4.25 5 908 817 -1.1 -1.1 100 0.0 -1.1 202 10 279.7 280.3 276.9 290.4 3.88 6 855 1295 -3.5 -3.8 98 0.3 -3.6 161 10 282.0 282.6 277.4 291.5 3.37 7 853 1313 -3.5 -5.4 87 1.9 -4.2 158 10 282.2 282.7 277.0 290.7 2.99 8 850 1341 -3.7 -5.3 89 1.6 -4.3 155 10 282.3 282.8 277.1 290.9 3.03 9 819 1634 -5.5 -6.7 91 1.2 -6.0 175 13 283.4 283.9 277.4 291.5 2.82 10 798 1837 -6.9 -9.0 85 2.1 -7.6 175 14 284.0 284.4 277.2 291.0 2.42 11 792 1896 -7.1 -10.6 76 3.5 -8.2 173 15 284.4 284.8 277.0 290.7 2.15 12 779 2025 -8.1 -10.2 85 2.1 -8.8 169 16 284.7 285.1 277.3 291.2 2.26 13 765 2165 -8.3 -12.7 71 4.4 -9.6 165 17 285.9 286.3 277.4 291.5 1.88 14 713 2707 -13.1 -14.8 87 1.7 -13.6 174 10 286.5 286.8 277.4 291.5 1.70 15 700 2847 -14.1 -15.6 88 1.5 -14.5 175 8 286.9 287.2 277.5 291.7 1.62 16 696 2890 -14.1 -15.8 87 1.7 -14.5 174 9 287.3 287.6 277.7 292.1 1.60 17 674 3133 -16.3 -16.3 100 0.0 -16.3 172 12 287.5 287.8 277.8 292.3 1.59 18 664 3245 -16.9 -17.2 98 0.3 -17.0 170 14 288.1 288.3 277.9 292.6 1.49 19 658 3314 -16.1 -18.7 80 2.6 -16.7 169 15 289.7 290.0 278.5 293.8 1.33 20 633 3604 -18.1 -20.0 85 1.9 -18.5 166 20 290.7 290.9 278.9 294.5 1.23 21 627 3675 -18.7 -19.5 93 0.8 -18.9 165 21 290.8 291.0 279.0 294.8 1.30 22 618 3783 -19.3 -26.3 54 7.0 -20.5 167 20 291.3 291.4 278.4 293.6 0.72 23 616 3807 -19.5 -26.5 54 7.0 -20.7 167 20 291.3 291.5 278.4 293.6 0.71 24 609 3892 -20.1 -24.6 67 4.5 -20.9 169 20 291.6 291.8 278.7 294.3 0.85 25 604 3953 -20.5 -26.5 59 6.0 -21.5 170 19 291.8 292.0 278.7 294.1 0.73 26 600 4002 -20.9 -25.3 68 4.4 -21.7 170 19 291.9 292.1 278.9 294.5 0.81 27 588 4151 -22.1 -27.0 64 4.9 -22.9 173 18 292.2 292.4 278.9 294.5 0.71 28 585 4188 -22.1 -30.1 48 8.0 -23.3 173 18 292.7 292.7 278.8 294.4 0.54 29 581 4239 -22.3 -32.3 40 10.0 -23.7 174 17 293.0 293.1 278.8 294.4 0.44 30 573 4340 -23.1 -27.1 70 4.0 -23.8 175 17 293.2 293.3 279.3 295.5 0.72 31 571 4366 -23.1 -27.7 66 4.6 -23.8 175 16 293.5 293.6 279.4 295.7 0.69 32 551 4626 -25.5 -27.6 83 2.1 -25.8 179 15 293.7 293.8 279.6 296.0 0.72 33 548 4665 -25.7 -30.7 63 5.0 -26.4 183 16 293.9 294.0 279.4 295.6 0.54 34 545 4705 -25.9 -31.9 57 6.0 -26.7 187 16 294.1 294.2 279.4 295.7 0.48 35 543 4732 -25.7 -31.7 57 6.0 -26.5 190 16 294.7 294.8 279.7 296.3 0.50 36 540 4772 -25.9 -36.9 35 11.0 -27.1 194 17 294.9 295.0 279.5 295.9 0.30 37 539 4785 -25.7 -36.7 35 11.0 -26.9 195 17 295.3 295.3 279.7 296.3 0.31 38 537 4812 -25.5 -42.5 19 17.0 -27.1 198 17 295.8 295.9 279.7 296.4 0.17 39 536 4826 -25.3 -40.3 23 15.0 -26.8 199 17 296.2 296.3 280.0 297.0 0.21 40 532 4880 -25.1 -47.1 11 22.0 -26.9 205 18 297.1 297.1 280.2 297.5 0.10 41 527 4949 -25.3 -48.3 10 23.0 -27.1 204 18 297.7 297.7 280.4 298.0 0.09 42 523 5004 -24.9 -48.9 9 24.0 -26.8 204 19 298.8 298.8 281.0 299.1 0.09 43 509 5201 -25.7 -43.7 17 18.0 -27.3 201 20 300.2 300.2 281.6 300.7 0.16 44 500 5330 -26.7 -41.7 23 15.0 -28.2 200 21 300.5 300.5 281.8 301.2 0.20 45 491 5461 -28.1 -42.1 25 14.0 -29.4 199 22 300.3 300.4 281.8 301.0 0.19 46 410 6730 -37.7 -56.7 12 19.0 -38.5 199 29 303.8 303.8 283.0 304.0 0.04 47 400 6900 -39.1 -58.1 12 19.0 -39.8 200 31 304.2 304.2 283.1 304.3 0.04 48 387 7125 -40.7 -58.7 13 18.0 -41.3 199 31 305.0 305.0 283.4 305.1 0.04 49 354 7726 -44.9 -59.9 17 15.0 -45.3 193 28 307.2 307.2 284.3 307.3 0.03 50 338 8033 -46.5 -63.5 13 17.0 -46.9 193 29 309.1 309.1 285.0 309.2 0.02 51 300 8820 -48.7 -70.7 6 22.0 -49.1 200 22 316.7 316.7 287.7 316.7 0.01 52 294 8952 -49.1 -73.1 4 24.0 -49.5 195 23 318.0 318.0 288.1 318.0 0.01 53 264 9660 -46.9 -72.9 4 26.0 -47.4 220 21 331.1 331.1 292.0 331.2 0.01 54 250 10020 -47.9 -73.9 3 26.0 -48.4 225 21 334.9 334.9 293.0 334.9 0.01 55 244 10180 -47.9 -73.9 3 26.0 -48.4 220 21 337.2 337.2 293.6 337.2 0.01 56 215 11019 -46.1 -78.1 1 32.0 -46.8 229 22 352.4 352.4 297.1 352.4 0.00 57 200 11500 -46.5 -79.5 1 33.0 -47.2 230 22 359.1 359.1 298.5 359.2 0.00 58 196 11635 -45.9 -78.9 1 33.0 -46.7 225 20 362.2 362.2 299.1 362.2 0.00 59 150 13410 -47.9 -80.9 1 33.0 -48.7 235 19 387.5 387.5 303.4 387.5 0.00 60 100 16070 -49.7 -82.7 1 33.0 -50.7 235 25 431.7 431.7 309.0 431.7 0.00 61 96 16337 -49.5 -82.5 1 33.0 -50.5 231 22 437.2 437.2 309.6 437.2 0.00 62 84 17204 -52.7 -83.7 1 31.0 -53.5 248 19 447.7 447.7 310.6 447.7 0.00 63 70 18380 -52.7 -84.7 1 32.0 -53.7 190 4 471.6 471.6 312.8 471.7 0.00 64 65 18857 -53.5 -84.5 1 31.0 -54.5 229 13 480.0 480.0 313.4 480.0 0.00 65 63 19058 -52.1 -84.1 1 32.0 -53.2 229 13 487.4 487.4 314.0 487.4 0.01 66 58 19592 -53.1 -84.1 1 31.0 -54.2 210 10 496.8 496.8 314.7 496.8 0.01 67 50 20550 -51.9 -83.9 1 32.0 -53.3 250 8 521.2 521.2 316.4 521.2 0.01 68 36 22683 -50.3 -83.3 1 33.0 -52.5 230 12 576.6 576.7 319.5 576.7 0.01 69 30 23870 -50.9 -83.9 1 33.0 -53.3 160 6 605.9 605.9 320.9 606.0 0.01 70 28 24321 -49.9 -83.9 1 34.0 -52.7 156 10 620.7 620.7 321.5 620.8 0.01 71 26 24805 -50.5 -83.5 1 33.0 -53.2 154 10 632.3 632.3 322.0 632.4 0.01 72 24 25328 -50.3 -84.3 1 34.0 -53.3 153 10 647.5 647.6 322.6 647.6 0.01 73 22 25900 -47.7 -82.7 1 35.0 -51.7 151 11 671.6 671.6 323.5 671.8 0.02 74 20 26530 -47.5 -82.5 1 35.0 -51.8 150 11 690.8 690.8 324.1 691.0 0.02 75 16 28003 -47.3 -82.3 1 35.0 -52.3 136 10 737.0 737.0 325.6 737.2 0.03 76 16 28003 -46.1 -82.1 1 36.0 -51.5 136 10 740.9 740.9 325.7 741.1 0.03 77 15 28431 -46.7 -82.7 1 36.0 -52.1 160 13 752.7 752.7 326.0 752.9 0.03 78 13 29384 -43.9 -80.9 1 37.0 -51.1 6 1 793.8 793.8 327.1 794.2 0.04 79 12 29919 -45.7 -81.7 1 36.0 -52.4 28 5 805.8 805.8 327.4 806.2 0.04 80 11 30500 -44.1 -81.1 1 37.0 -51.8 53 9 831.9 832.0 328.0 832.4 0.05 81 10 31140 -43.3 -81.3 1 38.0 -51.8 80 13 857.9 857.9 328.6 858.4 0.05 82 9.3 31628 -44.1 -81.1 1 37.0 -52.5 872.9 872.9 328.9 873.5 0.06 83 8.3 32398 -39.7 -79.7 1 40.0 -51.0 919.0 919.1 329.8 920.0 0.08 84 8.0 32650 -39.7 -79.7 1 40.0 -51.2 928.8 928.8 329.9 929.7 0.09 85 7.5 33092 -39.3 -79.3 1 40.0 -51.4 947.7 947.8 330.3 948.8 0.10 TRP 294 8952 -49.1 -73.1 4 24.0 -49.5 195 23 318.0 318.0 288.1 318.0 0.01 WND Sounding variables and indices 1000-500 mb thick: 5293.00 m Freezing level: 920.47 mb = 707.61 m = 2321.51 ft Wetbulb zero: 920.69 mb = 705.39 m = 2314.25 ft Precipitable water: 0.46 inches Sfc-500 mean rel hum: 76.00 % Est. max temperature: 9.29 C = 48.72 F Sfc-Lift cond lev (LCL): 960.81 mb = 361.91 m = 1187.35 ft T: 2.29 C 700-500 lapse rate: 5.07 C/km ThetaE index: 1.52 C Layer 1000.0- 999.0 mb Conv cond level (CCL): 943.26 mb = 510.48 m = 1674.79 ft Mean mixing ratio: 4.48 g/kg Conv temperature: 6.23 C = 43.22 F Cap Strength: 8.38 C Lifted Index: 8.50 C Risk: None Lifted Index @300 mb: 18.02 C Lifted Index @700 mb: 0.65 C Showalter Index: 8.88 C Risk: None Total Totals Index: 44.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.00 C Cross Totals Index: 21.40 C K Index: 16.20 Risk: < 20 % chance of thunderstorms Sweat Index: 41.00 Risk: None Energy Index: 2.09 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.01 J/kg Max Up Vert Vel: 4.69 m/s Conv Inhibition (B-): 0.52 J/kg Cap Strength: 8.46 C Lift Cond Lev (LCL): 944.95 mb = 496.07 m = 1627.50 ft Lev Free Conv (LFC): 919.95 mb = 711.87 m = 2335.50 ft Equ Level (EL): 869.95 mb = 1156.84 m = 3795.37 ft B at Equ Level: 10.97 J/kg Max Parcel Lev (MPL): 789.95 mb = 1915.90 m = 6285.70 ft Wind level data Storm motion: 214 at 11 knt ---------------------------------------------------------- TRUE/GROUND REL | STORM REL LEV P H DIR SPD U V | DIR SPD U V mb m knt m/s | knt m/s ---------------------------------------------------------- 0 1003 15 270 10 10.0 -0.0 | 339 10 3.7 -9.4 1 1000 37 235 7 5.7 4.0 | 6 5 -0.6 -5.4 2 967 305 255 10 9.7 2.6 | 334 8 3.4 -6.8 3 932 610 220 8 5.1 6.1 | 20 3 -1.2 -3.3 4 925 668 220 9 5.8 6.9 | 12 3 -0.5 -2.5 5 897 914 190 10 1.7 9.8 | 96 5 -4.6 0.5 6 863 1219 170 9 -1.6 8.9 | 86 8 -7.9 -0.5 7 850 1341 155 10 -4.2 9.1 | 88 11 -10.5 -0.3 8 830 1524 175 13 -1.1 13.0 | 116 8 -7.4 3.6 9 798 1829 175 14 -1.2 13.9 | 121 9 -7.5 4.6 10 767 2134 165 17 -4.4 16.4 | 123 13 -10.7 7.0 11 738 2438 165 14 -3.6 13.5 | 113 11 -9.9 4.1 12 709 2743 175 9 -0.8 9.0 | 87 7 -7.1 -0.4 13 700 2847 175 8 -0.7 8.0 | 79 7 -7.0 -1.4 14 627 3658 165 21 -5.4 20.3 | 133 16 -11.7 10.9 15 577 4267 175 17 -1.5 16.9 | 134 11 -7.8 7.5 16 554 4572 175 15 -1.3 14.9 | 126 9 -7.6 5.6 17 532 4877 205 18 7.6 16.3 | 191 7 1.3 6.9 18 500 5330 200 21 7.2 19.7 | 185 10 0.9 10.3 19 448 6096 195 24 6.2 23.2 | 180 14 -0.1 13.8 20 400 6900 200 31 10.6 29.1 | 192 20 4.3 19.7 21 393 7010 200 32 10.9 30.1 | 193 21 4.6 20.7 22 359 7620 195 27 7.0 26.1 | 182 17 0.7 16.7 23 343 7925 190 29 5.0 28.6 | 176 19 -1.3 19.2 24 328 8230 200 28 9.6 26.3 | 191 17 3.3 16.9 25 313 8534 190 27 4.7 26.6 | 175 17 -1.6 17.2 26 300 8820 200 22 7.5 20.7 | 186 11 1.2 11.3 27 294 8952 195 23 6.0 22.2 | 178 13 -0.4 12.8 28 286 9144 195 24 6.2 23.2 | 180 14 -0.1 13.8 29 260 9754 225 21 14.8 14.8 | 237 10 8.5 5.5 30 250 10020 225 21 14.8 14.8 | 237 10 8.5 5.5 31 237 10363 215 22 12.6 18.0 | 216 11 6.3 8.6 32 207 11278 235 22 18.0 12.6 | 255 12 11.7 3.2 33 200 11500 230 22 16.9 14.1 | 246 12 10.5 4.7 34 198 11582 225 20 14.1 14.1 | 239 9 7.8 4.7 35 150 13410 235 19 15.6 10.9 | 261 9 9.3 1.5 36 143 13716 235 19 15.6 10.9 | 261 9 9.3 1.5 37 125 14630 260 11 10.8 1.9 | 329 9 4.5 -7.5 38 119 14935 225 11 7.8 7.8 | 318 2 1.5 -1.6 39 113 15240 230 18 13.8 11.6 | 254 8 7.5 2.2 40 108 15545 225 22 15.6 15.6 | 236 11 9.3 6.2 41 103 15850 245 19 17.2 8.0 | 277 11 10.9 -1.4 42 100 16070 235 25 20.5 14.3 | 251 15 14.2 4.9 43 99 16154 225 18 12.7 12.7 | 243 7 6.4 3.3 44 94 16459 235 25 20.5 14.3 | 251 15 14.2 4.9 45 90 16764 220 11 7.1 8.4 | 322 1 0.8 -1.0 46 86 17069 235 21 17.2 12.0 | 256 11 10.9 2.7 47 82 17374 265 16 15.9 1.4 | 310 13 9.6 -8.0 48 74 17983 220 18 11.6 13.8 | 230 7 5.3 4.4 49 71 18288 280 11 10.8 -1.9 | 338 12 4.5 -11.3 50 70 18380 190 4 0.7 3.9 | 46 8 -5.6 -5.5 51 68 18593 220 4 2.6 3.1 | 31 7 -3.7 -6.3 52 65 18898 230 14 10.7 9.0 | 275 4 4.4 -0.4 53 59 19507 225 10 7.1 7.1 | 342 2 0.8 -2.3 54 56 19812 170 10 -1.7 9.8 | 93 8 -8.0 0.5 55 53 20117 215 17 9.8 13.9 | 217 6 3.4 4.5 56 50 20550 250 8 7.5 2.7 | 350 7 1.2 -6.7 57 49 20726 245 10 9.1 4.2 | 332 6 2.8 -5.2 58 46 21031 220 2 1.3 1.5 | 33 9 -5.0 -7.9 59 44 21336 190 8 1.4 7.9 | 73 5 -4.9 -1.5 60 35 22860 235 12 9.8 6.9 | 305 4 3.5 -2.5 61 33 23165 250 10 9.4 3.4 | 333 7 3.1 -6.0 62 30 23870 160 6 -2.1 5.6 | 66 9 -8.4 -3.8 63 28 24384 155 10 -4.2 9.1 | 88 11 -10.5 -0.3 64 20 26530 150 11 -5.5 9.5 | 91 12 -11.8 0.1 65 19 26822 140 10 -6.4 7.7 | 82 13 -12.7 -1.7 66 18 27127 170 11 -1.9 10.8 | 100 8 -8.2 1.4 67 17 27432 165 6 -1.6 5.8 | 65 9 -7.9 -3.6 68 16 28042 135 10 -7.1 7.1 | 80 14 -13.4 -2.3 69 15 28346 155 14 -5.9 12.7 | 105 13 -12.2 3.3 70 15 28651 170 10 -1.7 9.8 | 93 8 -8.0 0.5 71 14 28956 205 10 4.2 9.1 | 81 2 -2.1 -0.3 72 13 29261 0 0 -0.0 -0.0 | 34 11 -6.3 -9.4 73 10 31140 80 13 -12.8 -2.3 | 59 22 -19.1 -11.7 Wind Parameters Mean winds (0-6000m): 183.9 at 15.1 knts Storm direction: 213.9 at 11.3 knts Shear (0-3000m) pos: 0.4 neg: 3.1 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 120.6 deg Storm rel helicity (0-3000m) pos: 29.3 neg: -22.0 tot: 7.3 m^2/s^2 ave: 2.4 10^-3 m/s^2 rel: 0.17 Storm rel vorticity (0-3000m) horiz: 7.8 stream: 1.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.46 Bulk Shear: 23.89 m/s 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 ------------------------------------------------------------------------------- 500 246 9 343 6| 0.0 6.6 6.6| 6.5 -3.7 2.8 5.6 0.15| 12.2 1.8 1000 226 9 357 3| 0.0 6.9 6.9| 10.5 -4.1 6.4 6.4 0.33| 10.4 3.5 1500 205 9 70 3| 0.0 5.9 5.9| 21.3 -5.4 15.9 10.6 0.36| 10.0 3.6 2000 193 11 103 4| 0.0 5.2 5.2| 24.7 -5.4 19.3 9.6 0.36| 8.4 3.1 2500 185 12 112 6| 0.0 3.7 3.7| 24.7 -14.0 10.7 4.3 0.23| 7.9 1.9 3000 183 11 108 6| 0.4 3.1 3.5| 29.3 -22.0 7.3 2.4 0.17| 7.8 1.3 4000 177 13 116 8| 0.4 3.3 3.7| 47.5 -22.0 25.5 6.4 0.24| 7.5 1.8 5000 179 14 123 8| 1.4 2.6 4.0| 64.8 -25.6 39.2 7.8 0.29| 7.4 2.2 6000 184 15 137 8| 1.2 2.6 3.8| 64.8 -30.2 34.6 5.8 0.25| 6.6 1.7 Wrote GIF file: /home/apache/climate/data/raob//PAKN/skewt/PAKN.skewt.20250428.00.gif