UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042112.upa.cvt Date: 1200Z 21 APR 25 Searching for PAKN... Searching the city database file for: PAKN ... Date:1200Z 21 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 1014 15 3.0 2.4 96 0.6 2.7 225 10 275.1 275.8 275.2 287.2 4.48 1 1000 124 2.2 2.1 99 0.1 2.1 205 12 275.4 276.1 275.3 287.4 4.45 2 994 173 1.8 1.8 100 0.0 1.8 208 13 275.4 276.2 275.2 287.3 4.38 3 925 750 -1.1 -1.3 99 0.2 -1.2 210 17 278.2 278.8 275.9 288.6 3.75 4 864 1290 -4.7 -4.9 98 0.2 -4.8 224 15 279.9 280.4 275.9 288.5 3.07 5 862 1309 -3.9 -5.8 87 1.9 -4.6 224 16 280.9 281.4 276.2 289.1 2.87 6 850 1419 -4.9 -5.9 93 1.0 -5.3 230 18 281.0 281.5 276.2 289.2 2.89 7 833 1578 -6.1 -6.1 100 0.0 -6.1 222 18 281.4 281.9 276.5 289.6 2.91 8 816 1739 -7.3 -7.3 100 0.0 -7.3 215 19 281.8 282.2 276.4 289.5 2.70 9 807 1825 -7.3 -7.3 100 0.0 -7.3 210 19 282.7 283.1 276.9 290.5 2.73 10 797 1922 -7.9 -9.4 89 1.5 -8.4 211 19 283.0 283.4 276.6 289.8 2.35 11 772 2169 -9.1 -10.0 93 0.9 -9.4 214 19 284.3 284.7 277.2 291.0 2.31 12 765 2240 -9.5 -10.7 91 1.2 -9.9 212 18 284.6 285.0 277.2 291.1 2.21 13 756 2331 -9.7 -12.2 82 2.5 -10.5 209 16 285.4 285.7 277.3 291.2 1.98 14 750 2393 -10.1 -14.7 69 4.6 -11.4 207 15 285.6 285.9 276.9 290.4 1.63 15 730 2601 -11.9 -15.1 77 3.2 -12.8 205 15 285.9 286.1 277.0 290.7 1.62 16 700 2921 -13.5 -18.3 67 4.8 -14.7 220 11 287.5 287.8 277.4 291.4 1.29 17 686 3075 -14.1 -20.1 60 6.0 -15.4 230 11 288.5 288.7 277.6 292.0 1.13 18 651 3470 -17.3 -21.1 72 3.8 -18.1 235 13 289.3 289.5 278.0 292.6 1.09 19 633 3680 -18.1 -23.1 65 5.0 -19.1 255 16 290.7 290.9 278.4 293.6 0.94 20 631 3704 -18.1 -24.1 59 6.0 -19.3 255 16 290.9 291.1 278.4 293.6 0.86 21 617 3872 -19.7 -24.6 65 4.9 -20.6 258 15 291.0 291.1 278.4 293.6 0.84 22 596 4128 -21.5 -27.5 58 6.0 -22.5 255 16 291.8 291.9 278.6 293.9 0.67 23 589 4215 -21.7 -29.7 48 8.0 -22.9 252 17 292.5 292.6 278.8 294.3 0.55 24 585 4266 -22.1 -29.1 53 7.0 -23.2 251 17 292.7 292.8 278.9 294.5 0.59 25 563 4546 -24.5 -31.5 52 7.0 -25.4 258 14 293.1 293.1 278.9 294.6 0.49 26 561 4572 -24.5 -32.5 47 8.0 -25.5 259 13 293.3 293.4 279.0 294.8 0.44 27 551 4703 -25.7 -31.7 57 6.0 -26.5 260 14 293.4 293.5 279.1 295.0 0.49 28 546 4769 -26.1 -34.1 47 8.0 -27.1 260 15 293.7 293.8 279.1 295.0 0.39 29 500 5400 -31.7 -36.7 61 5.0 -32.1 255 22 294.4 294.4 279.3 295.5 0.33 30 497 5442 -31.9 -36.9 61 5.0 -32.4 256 22 294.7 294.7 279.4 295.7 0.32 31 487 5585 -33.3 -39.3 55 6.0 -33.8 258 23 294.6 294.7 279.3 295.5 0.26 32 474 5773 -34.7 -42.7 44 8.0 -35.3 260 25 295.2 295.2 279.5 295.8 0.19 33 458 6010 -36.9 -42.9 54 6.0 -37.3 264 26 295.4 295.4 279.6 296.0 0.19 34 448 6162 -38.1 -45.1 48 7.0 -38.5 265 29 295.7 295.8 279.7 296.3 0.15 35 436 6347 -39.7 -44.4 61 4.7 -39.9 265 37 296.0 296.0 279.8 296.6 0.17 36 432 6409 -40.3 -45.3 59 5.0 -40.6 265 40 296.0 296.1 279.8 296.6 0.15 37 422 6568 -40.7 -47.7 47 7.0 -41.1 265 46 297.5 297.5 280.4 297.9 0.12 38 419 6616 -41.1 -47.1 52 6.0 -41.4 265 48 297.6 297.6 280.5 298.1 0.13 39 418 6632 -41.3 -47.3 52 6.0 -41.6 265 49 297.5 297.6 280.4 298.0 0.13 40 416 6665 -40.9 -49.9 37 9.0 -41.3 265 51 298.5 298.5 280.8 298.8 0.10 41 413 6714 -41.1 -51.1 33 10.0 -41.5 265 53 298.8 298.8 281.0 299.1 0.08 42 408 6796 -41.1 -54.1 23 13.0 -41.6 265 57 299.9 299.9 281.4 300.1 0.06 43 400 6930 -40.7 -56.7 16 16.0 -41.3 265 63 302.1 302.1 282.3 302.3 0.04 44 397 6981 -40.5 -57.5 14 17.0 -41.1 266 65 303.0 303.0 282.7 303.2 0.04 45 375 7369 -41.5 -61.4 10 19.8 -42.1 270 76 306.6 306.6 284.1 306.7 0.03 46 325 8335 -44.1 -71.1 3 27.0 -44.7 267 52 315.9 315.9 287.4 315.9 0.01 47 302 8826 -45.9 -70.9 4 25.0 -46.4 265 37 320.1 320.1 288.8 320.1 0.01 48 300 8870 -45.7 -71.7 4 26.0 -46.2 265 36 320.9 320.9 289.0 321.0 0.01 49 261 9795 -46.7 -78.7 1 32.0 -47.3 259 26 332.5 332.5 292.4 332.5 0.00 50 259 9846 -47.1 -79.1 1 32.0 -47.6 257 25 332.7 332.7 292.4 332.7 0.00 51 254 9975 -46.7 -76.7 2 30.0 -47.3 253 25 335.1 335.1 293.1 335.1 0.00 52 250 10080 -47.5 -76.5 2 29.0 -48.0 255 25 335.4 335.4 293.2 335.5 0.00 53 236 10460 -49.1 -79.1 2 30.0 -49.6 265 25 338.6 338.6 294.0 338.6 0.00 54 223 10833 -49.1 -79.1 2 30.0 -49.6 259 21 344.1 344.1 295.3 344.1 0.00 55 200 11550 -48.3 -81.3 1 33.0 -48.9 250 26 356.3 356.3 298.0 356.3 0.00 56 195 11717 -48.7 -81.7 1 33.0 -49.3 258 24 358.2 358.2 298.4 358.2 0.00 57 191 11854 -47.3 -81.3 1 34.0 -48.0 252 26 362.6 362.6 299.2 362.6 0.00 58 160 13018 -50.9 -82.9 1 32.0 -51.4 268 20 375.4 375.4 301.5 375.4 0.00 59 153 13310 -49.5 -83.5 1 34.0 -50.2 278 18 382.6 382.6 302.6 382.6 0.00 60 150 13440 -50.5 -83.5 1 33.0 -51.1 280 18 383.1 383.1 302.8 383.1 0.00 61 100 16050 -54.9 -85.9 1 31.0 -55.5 295 18 421.7 421.7 307.9 421.7 0.00 62 89 16800 -52.9 -85.9 1 33.0 -53.7 292 17 439.9 439.9 309.8 439.9 0.00 63 79 17568 -53.7 -85.7 1 32.0 -54.5 302 13 453.5 453.5 311.2 453.6 0.00 64 70 18350 -51.9 -85.9 1 34.0 -52.9 260 15 473.4 473.4 312.9 473.4 0.00 65 64 18931 -51.5 -85.5 1 34.0 -52.7 281 15 486.5 486.5 314.0 486.5 0.00 66 57 19680 -52.7 -86.7 1 34.0 -53.9 295 11 500.2 500.2 314.9 500.2 0.00 67 50 20530 -50.7 -85.7 1 35.0 -52.3 315 8 524.0 524.0 316.5 524.0 0.01 68 49 20661 -50.7 -85.7 1 35.0 -52.3 302 15 527.0 527.0 316.8 527.1 0.01 69 34 23029 -52.5 -86.5 1 34.0 -54.4 31 13 580.4 580.4 319.7 580.4 0.01 70 30 23840 -50.5 -86.5 1 36.0 -52.9 60 7 607.0 607.0 320.9 607.0 0.01 71 29 24061 -50.3 -86.3 1 36.0 -52.9 78 7 613.4 613.4 321.2 613.5 0.01 72 22 25860 -50.1 -86.1 1 36.0 -53.4 45 10 664.5 664.5 323.2 664.5 0.01 73 20 26480 -51.1 -86.1 1 35.0 -54.3 105 5 679.8 679.8 323.7 679.8 0.01 74 19 26814 -51.5 -86.5 1 35.0 -54.7 81 8 688.6 688.6 324.0 688.6 0.01 75 15 28361 -49.1 -86.1 1 37.0 -53.7 84 9 744.7 744.7 325.8 744.8 0.02 76 15 28361 -49.5 -86.5 1 37.0 -53.9 84 9 743.4 743.4 325.7 743.5 0.01 77 13 29308 -45.9 -84.9 0 39.0 -52.2 73 12 786.9 786.9 326.9 787.1 0.02 78 10 31070 -42.5 -82.5 0 40.0 -51.5 50 10 860.9 860.9 328.7 861.3 0.04 79 9.7 31276 -42.1 -83.1 0 41.0 -51.4 869.9 870.0 328.8 870.3 0.04 80 8.2 32407 -44.5 -84.5 0 40.0 -53.3 903.3 903.3 329.5 903.7 0.04 81 7.0 33474 -41.3 -82.3 0 41.0 -52.6 958.3 958.4 330.5 959.0 0.07 TRP 418 6632 -41.3 -47.3 52 6.0 -41.6 265 49 297.5 297.6 280.4 298.0 0.13 WND 375 7369 -41.5 -61.4 10 19.8 -42.1 270 76 306.6 306.6 284.1 306.7 0.03 Sounding variables and indices 1000-500 mb thick: 5276.00 m Freezing level: 951.17 mb = 530.98 m = 1742.05 ft Wetbulb zero: 952.96 mb = 511.04 m = 1676.61 ft Precipitable water: 0.44 inches Sfc-500 mean rel hum: 75.95 % Est. max temperature: 7.88 C = 46.18 F Sfc-Lift cond lev (LCL): 1004.59 mb = 88.10 m = 289.02 ft T: 2.46 C 700-500 lapse rate: 7.34 C/km ThetaE index: 0.77 C Layer 750.0- 730.0 mb Conv cond level (CCL): 959.50 mb = 456.11 m = 1496.40 ft Mean mixing ratio: 4.10 g/kg Conv temperature: 4.73 C = 40.52 F Cap Strength: 6.17 C Lifted Index: 6.13 C Risk: None Lifted Index @300 mb: 23.48 C Lifted Index @700 mb: 3.53 C Showalter Index: 5.14 C Risk: None Total Totals Index: 52.60 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.80 C Cross Totals Index: 25.80 C K Index: 16.10 Risk: < 20 % chance of thunderstorms Sweat Index: 207.83 Risk: None Energy Index: 1.32 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.91 J/kg Max Up Vert Vel: 5.28 m/s Conv Inhibition (B-): 73984.27 J/kg Cap Strength: 6.15 C Lift Cond Lev (LCL): 960.81 mb = 445.18 m = 1460.55 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 266 at 13 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 1014 15 225 10 7.1 7.1 | 138 8 -5.4 6.1 1 1000 124 205 12 5.1 10.9 | 143 12 -7.4 9.9 2 978 305 215 16 9.2 13.1 | 165 13 -3.3 12.1 3 941 610 210 18 9.0 15.6 | 166 15 -3.5 14.6 4 925 750 210 17 8.5 14.7 | 164 14 -4.0 13.8 5 906 914 220 15 9.6 11.5 | 165 11 -2.9 10.5 6 872 1219 220 14 9.0 10.7 | 160 10 -3.5 9.8 7 850 1419 230 18 13.8 11.6 | 187 11 1.3 10.6 8 806 1829 210 19 9.5 16.5 | 169 16 -3.0 15.5 9 775 2134 215 20 11.5 16.4 | 176 15 -1.0 15.4 10 745 2438 205 14 5.9 12.7 | 151 13 -6.6 11.7 11 716 2743 205 16 6.8 14.5 | 157 15 -5.8 13.5 12 700 2921 220 11 7.1 8.4 | 144 9 -5.4 7.5 13 688 3048 230 11 8.4 7.1 | 146 7 -4.1 6.1 14 660 3353 225 11 7.8 7.8 | 145 8 -4.7 6.8 15 633 3658 255 16 15.5 4.1 | 223 4 2.9 3.2 16 608 3962 260 15 14.8 2.6 | 234 3 2.3 1.6 17 583 4267 250 17 16.0 5.8 | 215 6 3.5 4.9 18 559 4572 260 13 12.8 2.3 | 192 1 0.3 1.3 19 537 4877 260 17 16.7 3.0 | 245 5 4.2 2.0 20 515 5182 250 20 18.8 6.8 | 227 9 6.3 5.9 21 500 5400 255 22 21.3 5.7 | 242 10 8.7 4.7 22 452 6096 265 27 26.9 2.4 | 264 14 14.4 1.4 23 418 6632 265 49 48.8 4.3 | 265 36 36.3 3.3 24 400 6930 265 63 62.8 5.5 | 265 50 50.2 4.5 25 375 7369 270 76 76.0 -0.0 | 271 63 63.5 -1.0 26 361 7620 270 74 74.0 -0.0 | 271 61 61.5 -1.0 27 300 8870 265 36 35.9 3.1 | 265 23 23.3 2.2 28 288 9144 265 34 33.9 3.0 | 265 21 21.4 2.0 29 275 9449 270 28 28.0 -0.0 | 274 16 15.5 -1.0 30 251 10058 250 24 22.6 8.2 | 234 12 10.0 7.2 31 250 10080 255 25 24.1 6.5 | 245 13 11.6 5.5 32 229 10668 270 25 25.0 -0.0 | 274 13 12.5 -1.0 33 218 10973 250 18 16.9 6.2 | 220 7 4.4 5.2 34 200 11550 250 26 24.4 8.9 | 236 14 11.9 7.9 35 199 11582 265 21 20.9 1.8 | 264 8 8.4 0.9 36 190 11887 250 27 25.4 9.2 | 237 15 12.9 8.3 37 181 12192 265 24 23.9 2.1 | 264 11 11.4 1.1 38 165 12802 250 24 22.6 8.2 | 234 12 10.0 7.2 39 158 13106 275 18 17.9 -1.6 | 295 6 5.4 -2.5 40 150 13440 280 18 17.7 -3.1 | 308 7 5.2 -4.1 41 144 13716 280 17 16.7 -3.0 | 313 6 4.2 -3.9 42 131 14326 265 21 20.9 1.8 | 264 8 8.4 0.9 43 113 15240 280 24 23.6 -4.2 | 295 12 11.1 -5.1 44 108 15545 290 28 26.3 -9.6 | 307 17 13.8 -10.5 45 100 16050 295 18 16.3 -7.6 | 336 9 3.8 -8.6 46 94 16459 295 18 16.3 -7.6 | 336 9 3.8 -8.6 47 85 17069 290 16 15.0 -5.5 | 339 7 2.5 -6.4 48 78 17678 305 12 9.8 -6.9 | 19 8 -2.7 -7.8 49 74 17983 300 10 8.7 -5.0 | 33 7 -3.9 -6.0 50 71 18288 265 9 9.0 0.8 | 87 4 -3.5 -0.2 51 70 18350 260 15 14.8 2.6 | 234 3 2.3 1.6 52 67 18593 250 11 10.3 3.8 | 142 4 -2.2 2.8 53 64 18898 280 15 14.8 -2.6 | 328 4 2.3 -3.6 54 61 19202 285 13 12.6 -3.4 | 359 4 0.0 -4.3 55 59 19507 275 12 12.0 -1.0 | 16 2 -0.6 -2.0 56 56 19812 310 11 8.4 -7.1 | 27 9 -4.1 -8.0 57 53 20117 300 12 10.4 -6.0 | 17 7 -2.1 -7.0 58 51 20422 260 10 9.8 1.7 | 106 3 -2.7 0.8 59 50 20530 315 8 5.7 -5.7 | 46 10 -6.9 -6.6 60 49 20726 295 19 17.2 -8.0 | 332 10 4.7 -9.0 61 44 21336 315 7 4.9 -4.9 | 52 10 -7.6 -5.9 62 40 21946 100 2 -2.0 0.3 | 88 14 -14.5 -0.6 63 35 22860 20 16 -5.5 -15.0 | 48 24 -18.0 -16.0 64 33 23165 40 10 -6.4 -7.7 | 66 21 -18.9 -8.6 65 30 23840 60 7 -6.1 -3.5 | 77 19 -18.6 -4.5 66 28 24384 105 8 -7.7 2.1 | 93 20 -20.2 1.1 67 26 24689 295 1 0.9 -0.4 | 83 12 -11.6 -1.4 68 22 25908 50 10 -7.7 -6.4 | 70 21 -20.2 -7.4 69 20 26480 105 5 -4.8 1.3 | 91 17 -17.3 0.3 70 18 27127 60 10 -8.7 -5.0 | 74 22 -21.2 -6.0 71 17 27432 105 6 -5.8 1.6 | 92 18 -18.3 0.6 72 13 29261 65 11 -10.0 -4.6 | 76 23 -22.5 -5.6 73 13 29566 100 15 -14.8 2.6 | 93 27 -27.3 1.6 74 12 29870 140 14 -9.0 10.7 | 114 24 -21.5 9.8 75 11 30175 140 11 -7.1 8.4 | 111 21 -19.6 7.5 76 10 31070 50 10 -7.7 -6.4 | 70 21 -20.2 -7.4 Wind Parameters Mean winds (0-6000m): 235.6 at 16.7 knts Storm direction: 265.6 at 12.6 knts Shear (0-3000m) pos: 1.7 neg: 1.6 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 7.4 deg Storm rel helicity (0-3000m) pos: 43.2 neg: -46.8 tot: -3.7 m^2/s^2 ave: -1.2 10^-3 m/s^2 rel: 0.01 Storm rel vorticity (0-3000m) horiz: 7.5 stream: 0.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.38 Bulk Shear: 5.84 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 ------------------------------------------------------------------------------- 500 212 14 157 12| 0.0 8.2 8.2| 18.6 0.0 18.6 37.2 0.57| 10.6 6.0 1000 213 15 161 13| 1.8 4.1 6.0| 19.1 -2.7 16.3 16.3 0.33| 8.1 2.7 1500 217 16 164 12| 1.5 2.7 4.2| 32.1 -6.7 25.4 17.0 0.38| 7.7 2.9 2000 216 16 167 13| 1.1 2.9 4.0| 36.4 -17.7 18.7 9.4 0.23| 7.3 1.7 2500 215 17 167 13| 0.9 1.9 2.8| 39.1 -40.0 -1.0 -0.4 0.04| 7.3 0.3 3000 214 16 165 13| 1.7 1.6 3.3| 43.2 -46.8 -3.7 -1.2 0.01| 7.5 0.0 4000 221 15 167 11| 2.3 1.2 3.5| 55.0 -47.1 7.8 2.0 0.15| 7.1 1.0 5000 228 15 174 9| 1.8 1.0 2.8| 55.9 -49.8 6.2 1.2 0.11| 6.9 0.8 6000 236 17 189 9| 2.2 0.8 3.0| 74.1 -51.2 22.9 3.8 0.17| 6.6 1.1 Wrote GIF file: /home/apache/climate/data/raob//PAKN/skewt/PAKN.skewt.20250421.12.gif