UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042100.upa.cvt Date: 0000Z 21 APR 25 Searching for PAKN... Searching the city database file for: PAKN ... Date:0000Z 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 1013 15 6.4 4.7 89 1.7 5.6 190 10 278.5 279.4 278.1 292.9 5.28 1 1000 113 5.6 4.5 93 1.1 5.1 160 14 278.8 279.6 278.2 293.2 5.28 2 925 746 1.0 1.0 100 0.0 1.0 195 19 280.3 281.1 278.0 292.6 4.44 3 904 930 -0.3 -0.3 100 0.0 -0.3 209 17 280.8 281.5 277.8 292.3 4.14 4 867 1264 -1.5 -1.5 100 0.0 -1.5 188 13 283.0 283.6 278.6 294.1 3.95 5 850 1422 -1.9 -1.9 100 0.0 -1.9 165 13 284.2 284.8 279.2 295.2 3.91 6 819 1718 -2.5 -2.6 99 0.1 -2.6 161 16 286.6 287.2 280.3 297.6 3.85 7 700 2950 -8.9 -9.8 93 0.9 -9.2 190 19 292.6 293.1 281.5 300.4 2.59 8 671 3277 -10.3 -11.3 92 1.0 -10.6 186 22 294.6 295.1 282.1 301.9 2.40 9 530 5054 -22.3 -24.4 83 2.1 -22.7 151 24 300.8 301.0 283.0 304.0 1.00 10 511 5322 -24.3 -25.9 87 1.6 -24.6 144 24 301.5 301.7 283.2 304.5 0.91 11 507 5379 -24.7 -26.6 84 1.9 -25.0 143 25 301.7 301.9 283.2 304.5 0.86 12 500 5480 -25.5 -27.4 84 1.9 -25.8 140 25 301.9 302.1 283.2 304.6 0.81 13 459 6092 -30.5 -33.4 76 2.9 -30.9 145 27 303.2 303.3 283.4 304.9 0.50 14 443 6342 -32.7 -34.8 81 2.1 -32.9 147 28 303.5 303.6 283.4 305.0 0.45 15 441 6374 -33.1 -36.0 75 2.9 -33.4 147 28 303.4 303.5 283.3 304.8 0.40 16 420 6714 -36.1 -39.6 70 3.5 -36.4 150 29 303.8 303.9 283.3 304.8 0.29 17 415 6797 -36.9 -40.2 71 3.3 -37.2 146 29 303.8 303.9 283.3 304.8 0.28 18 407 6931 -37.5 -39.8 79 2.3 -37.7 140 30 304.7 304.8 283.7 305.8 0.29 19 400 7050 -38.5 -42.1 69 3.6 -38.8 135 31 305.0 305.0 283.7 305.8 0.24 20 399 7067 -38.5 -42.4 67 3.9 -38.8 135 31 305.2 305.2 283.8 306.0 0.23 21 368 7618 -43.5 -46.7 71 3.2 -43.6 125 31 305.7 305.7 283.9 306.2 0.16 22 362 7728 -44.3 -46.6 78 2.3 -44.4 126 32 306.0 306.1 284.0 306.6 0.16 23 360 7765 -44.5 -45.4 91 0.9 -44.6 126 32 306.2 306.3 284.1 306.9 0.18 24 359 7784 -44.7 -47.4 74 2.7 -44.8 126 32 306.2 306.2 284.1 306.8 0.15 25 358 7802 -44.7 -51.7 45 7.0 -45.0 126 32 306.5 306.5 284.1 306.8 0.09 26 356 7840 -44.7 -54.7 32 10.0 -45.0 127 33 307.0 307.0 284.2 307.2 0.06 27 355 7859 -44.7 -52.7 40 8.0 -45.0 127 33 307.2 307.2 284.4 307.5 0.08 28 354 7878 -44.7 -49.0 62 4.3 -44.9 127 33 307.5 307.5 284.5 307.9 0.13 29 353 7897 -44.9 -48.1 70 3.2 -45.0 127 33 307.4 307.5 284.5 307.9 0.14 30 350 7954 -45.3 -47.5 78 2.2 -45.4 127 33 307.6 307.7 284.7 308.2 0.15 31 345 8050 -45.5 -51.5 51 6.0 -45.7 128 34 308.6 308.7 284.9 309.0 0.10 32 342 8108 -46.1 -52.1 51 6.0 -46.3 129 35 308.6 308.6 284.9 308.9 0.09 33 336 8226 -46.9 -57.9 27 11.0 -47.2 129 35 309.1 309.1 285.0 309.2 0.05 34 332 8305 -47.3 -54.3 45 7.0 -47.5 130 36 309.6 309.6 285.2 309.9 0.07 35 326 8425 -47.9 -55.9 39 8.0 -48.1 131 37 310.4 310.4 285.5 310.6 0.06 36 323 8486 -48.1 -58.1 31 10.0 -48.4 131 37 310.9 310.9 285.7 311.1 0.05 37 320 8548 -48.5 -56.5 39 8.0 -48.7 132 38 311.2 311.2 285.8 311.4 0.06 38 300 8970 -51.5 -61.5 29 10.0 -51.7 135 41 312.8 312.8 286.4 312.9 0.03 39 294 9101 -52.1 -63.1 25 11.0 -52.3 135 40 313.7 313.7 286.7 313.8 0.03 40 274 9553 -55.1 -66.1 24 11.0 -55.2 145 38 315.8 315.8 287.3 315.8 0.02 41 269 9671 -53.7 -66.7 19 13.0 -53.9 149 36 319.5 319.5 288.6 319.5 0.02 42 260 9889 -54.5 -70.5 12 16.0 -54.7 155 33 321.4 321.4 289.2 321.5 0.01 43 250 10140 -53.7 -70.7 11 17.0 -53.9 170 23 326.2 326.2 290.6 326.3 0.01 44 241 10374 -54.1 -72.1 9 18.0 -54.4 186 21 329.1 329.1 291.5 329.1 0.01 45 231 10647 -50.5 -75.5 4 25.0 -50.9 204 19 338.6 338.6 294.0 338.6 0.01 46 224 10846 -51.3 -75.3 4 24.0 -51.7 199 17 340.3 340.3 294.4 340.3 0.01 47 221 10934 -49.9 -75.9 3 26.0 -50.3 196 16 343.8 343.8 295.2 343.8 0.01 48 200 11580 -52.7 -79.7 2 27.0 -53.1 250 12 349.3 349.3 296.5 349.3 0.00 49 198 11645 -52.9 -79.9 2 27.0 -53.2 251 16 350.0 350.0 296.6 350.0 0.00 50 192 11845 -49.9 -80.9 1 31.0 -50.4 238 15 357.9 357.9 298.3 357.9 0.00 51 184 12124 -49.3 -81.3 1 32.0 -49.9 258 13 363.3 363.3 299.3 363.3 0.00 52 182 12196 -49.3 -81.3 1 32.0 -49.9 265 12 364.4 364.4 299.5 364.4 0.00 53 152 13374 -50.9 -82.9 1 32.0 -51.5 254 31 380.9 380.9 302.4 380.9 0.00 54 150 13460 -51.3 -83.3 1 32.0 -51.8 275 20 381.7 381.7 302.5 381.7 0.00 55 146 13636 -52.7 -83.7 1 31.0 -53.2 275 22 382.2 382.2 302.6 382.2 0.00 56 138 14002 -51.1 -83.1 1 32.0 -51.7 261 14 391.2 391.2 304.0 391.3 0.00 57 126 14592 -53.5 -84.5 1 31.0 -54.0 253 17 397.2 397.2 304.8 397.2 0.00 58 104 15828 -54.1 -85.1 1 31.0 -54.7 280 16 418.5 418.5 307.5 418.5 0.00 59 101 16016 -54.1 -85.1 1 31.0 -54.7 276 15 422.0 422.0 307.9 422.0 0.00 60 100 16080 -54.1 -85.1 1 31.0 -54.7 275 15 423.2 423.2 308.1 423.2 0.00 61 82 17354 -52.5 -85.5 1 33.0 -53.4 260 15 451.2 451.2 311.0 451.2 0.00 62 72 18189 -54.3 -86.3 1 32.0 -55.1 273 17 464.5 464.5 312.2 464.5 0.00 63 70 18370 -53.3 -85.3 1 32.0 -54.2 270 16 470.4 470.4 312.7 470.4 0.00 64 52 20294 -49.9 -84.9 1 35.0 -51.6 286 11 520.0 520.0 316.3 520.0 0.01 65 50 20550 -50.7 -84.7 1 34.0 -52.3 240 4 524.0 524.0 316.5 524.0 0.01 66 41 21847 -49.7 -84.7 1 35.0 -51.8 134 4 557.1 557.1 318.5 557.1 0.01 67 31 23668 -52.5 -86.5 1 34.0 -54.5 271 5 595.9 595.9 320.4 595.9 0.01 68 30 23880 -51.9 -86.9 1 35.0 -54.1 275 2 603.2 603.2 320.7 603.2 0.01 69 28 24328 -51.1 -86.1 1 35.0 -53.6 324 6 617.4 617.4 321.4 617.5 0.01 70 27 24563 -52.5 -86.5 1 34.0 -54.7 347 5 619.9 619.9 321.5 620.0 0.01 71 20 26510 -50.7 -86.7 1 36.0 -54.0 90 15 681.0 681.0 323.8 681.1 0.01 72 16 27970 -49.5 -85.5 1 36.0 -53.7 139 10 729.8 729.8 325.4 729.9 0.02 73 13 29344 -45.3 -85.3 0 40.0 -51.8 182 10 789.0 789.0 327.0 789.1 0.02 74 12 29878 -45.7 -83.7 1 38.0 -52.4 163 10 805.8 805.8 327.4 806.1 0.03 75 10 31100 -43.3 -83.3 0 40.0 -51.8 25 9 857.9 857.9 328.5 858.3 0.04 76 9.5 31444 -44.5 -84.5 0 40.0 -52.7 44 9 866.0 866.1 328.7 866.4 0.03 77 8.6 32116 -40.7 -81.7 0 41.0 -51.3 80 10 905.9 905.9 329.5 906.5 0.06 78 7.6 32959 -40.3 -81.3 0 41.0 -51.7 125 11 940.1 940.1 330.2 940.8 0.07 79 7.0 33520 -39.9 -80.9 0 41.0 -52.0 155 11 964.1 964.2 330.6 965.0 0.08 80 6.6 33924 -37.5 -79.5 0 42.0 -51.4 990.6 990.6 331.1 991.8 0.11 TRP 274 9553 -55.1 -66.1 24 11.0 -55.2 145 38 315.8 315.8 287.3 315.8 0.02 WND Sounding variables and indices 1000-500 mb thick: 5367.00 m Freezing level: 908.85 mb = 887.80 m = 2912.70 ft Wetbulb zero: 909.17 mb = 884.56 m = 2902.07 ft Precipitable water: 0.66 inches Sfc-500 mean rel hum: 92.74 % Est. max temperature: 11.14 C = 52.06 F Sfc-Lift cond lev (LCL): 986.90 mb = 220.09 m = 722.06 ft T: 4.82 C 700-500 lapse rate: 6.56 C/km ThetaE index: 0.82 C Layer 925.0- 867.0 mb Conv cond level (CCL): 949.90 mb = 530.31 m = 1739.83 ft Mean mixing ratio: 4.85 g/kg Conv temperature: 7.69 C = 45.84 F Cap Strength: 8.50 C Lifted Index: 8.58 C Risk: None Lifted Index @300 mb: 14.16 C Lifted Index @700 mb: 4.85 C Showalter Index: 6.88 C Risk: None Total Totals Index: 47.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.60 C Cross Totals Index: 23.60 C K Index: 20.80 Risk: 20-40 % chance of thunderstorms Sweat Index: 51.00 Risk: None Energy Index: 1.94 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.31 J/kg Max Up Vert Vel: 4.31 m/s Conv Inhibition (B-): 0.33 J/kg Cap Strength: 8.52 C Lift Cond Lev (LCL): 953.57 mb = 499.01 m = 1637.16 ft Lev Free Conv (LFC): 938.57 mb = 627.75 m = 2059.52 ft Equ Level (EL): 888.57 mb = 1067.89 m = 3503.55 ft B at Equ Level: 8.91 J/kg Max Parcel Lev (MPL): 848.57 mb = 1435.39 m = 4709.22 ft Wind level data Storm motion: 198 at 16 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 1013 15 190 10 1.7 9.8 | 31 6 -3.2 -5.3 1 1000 113 160 14 -4.8 13.2 | 79 10 -9.7 -2.0 2 977 305 160 24 -8.2 22.6 | 119 15 -13.1 7.4 3 941 610 185 20 1.7 19.9 | 146 6 -3.2 4.8 4 925 746 195 19 4.9 18.4 | 180 3 -0.0 3.2 5 906 914 210 17 8.5 14.7 | 277 4 3.6 -0.4 6 872 1219 195 13 3.4 12.6 | 31 3 -1.6 -2.6 7 850 1422 165 13 -3.4 12.6 | 73 9 -8.3 -2.6 8 839 1524 170 13 -2.3 12.8 | 72 8 -7.2 -2.3 9 807 1829 155 18 -7.6 16.3 | 95 13 -12.5 1.2 10 777 2134 155 19 -8.0 17.2 | 99 13 -13.0 2.1 11 747 2438 175 22 -1.9 21.9 | 135 10 -6.9 6.8 12 719 2743 175 20 -1.7 19.9 | 126 8 -6.7 4.8 13 700 2950 190 19 3.3 18.7 | 155 4 -1.6 3.6 14 691 3048 190 19 3.3 18.7 | 155 4 -1.6 3.6 15 637 3658 180 27 0.0 27.0 | 157 13 -4.9 11.9 16 588 4267 175 24 -2.1 23.9 | 141 11 -7.0 8.8 17 564 4572 165 23 -6.0 22.2 | 123 13 -10.9 7.1 18 542 4877 155 23 -9.7 20.8 | 111 16 -14.7 5.7 19 500 5480 140 25 -16.1 19.2 | 101 21 -21.0 4.0 20 500 5486 140 25 -16.1 19.2 | 101 21 -21.0 4.0 21 458 6096 145 27 -15.5 22.1 | 109 22 -20.4 7.0 22 420 6706 150 29 -14.5 25.1 | 117 22 -19.4 10.0 23 400 7050 135 31 -21.9 21.9 | 104 28 -26.9 6.8 24 367 7620 125 31 -25.4 17.8 | 95 30 -30.3 2.6 25 300 8970 135 41 -29.0 29.0 | 112 37 -33.9 13.9 26 292 9144 135 40 -28.3 28.3 | 112 36 -33.2 13.2 27 278 9449 130 36 -27.6 23.1 | 104 33 -32.5 8.0 28 274 9553 145 38 -21.8 31.1 | 121 31 -26.7 16.0 29 253 10058 160 30 -10.3 28.2 | 131 20 -15.2 13.1 30 250 10140 170 23 -4.0 22.7 | 130 12 -8.9 7.5 31 230 10668 205 19 8.0 17.2 | 236 4 3.1 2.1 32 220 10973 195 16 4.1 15.5 | 112 1 -0.8 0.3 33 200 11580 250 12 11.3 4.1 | 330 13 6.3 -11.0 34 200 11582 255 16 15.5 4.1 | 316 15 10.5 -11.0 35 191 11887 235 15 12.3 8.6 | 312 10 7.4 -6.5 36 182 12192 265 12 12.0 1.0 | 334 16 7.0 -14.1 37 174 12497 235 15 12.3 8.6 | 312 10 7.4 -6.5 38 166 12802 235 17 13.9 9.8 | 301 10 9.0 -5.4 39 151 13411 255 32 30.9 8.3 | 285 27 26.0 -6.8 40 150 13460 275 20 19.9 -1.7 | 318 23 15.0 -16.9 41 144 13716 275 23 22.9 -2.0 | 314 25 18.0 -17.1 42 138 14021 260 13 12.8 2.3 | 329 15 7.9 -12.9 43 131 14326 270 17 17.0 -0.0 | 321 19 12.1 -15.1 44 125 14630 250 17 16.0 5.8 | 310 14 11.0 -9.3 45 119 14935 285 20 19.3 -5.2 | 325 25 14.4 -20.3 46 114 15240 260 16 15.8 2.8 | 319 16 10.8 -12.4 47 109 15545 285 18 17.4 -4.7 | 328 23 12.5 -19.8 48 100 16080 275 15 14.9 -1.3 | 329 19 10.0 -16.4 49 94 16459 275 15 14.9 -1.3 | 329 19 10.0 -16.4 50 90 16764 285 15 14.5 -3.9 | 333 21 9.6 -19.0 51 86 17069 255 14 13.5 3.6 | 323 14 8.6 -11.5 52 71 18288 275 17 16.9 -1.5 | 324 20 12.0 -16.6 53 70 18370 270 16 16.0 -0.0 | 324 19 11.1 -15.1 54 68 18593 275 16 15.9 -1.4 | 326 20 11.0 -16.5 55 62 19202 265 13 13.0 1.1 | 330 16 8.0 -14.0 56 59 19507 300 10 8.7 -5.0 | 350 20 3.7 -20.1 57 53 20117 265 12 12.0 1.0 | 334 16 7.0 -14.1 58 51 20422 300 10 8.7 -5.0 | 350 20 3.7 -20.1 59 50 20550 240 4 3.5 2.0 | 6 13 -1.5 -13.1 60 49 20726 0 0 -0.0 -0.0 | 18 16 -4.9 -15.1 61 44 21336 85 1 -1.0 -0.1 | 21 16 -5.9 -15.2 62 33 23165 260 11 10.8 1.9 | 336 14 5.9 -13.2 63 30 23880 275 2 2.0 -0.2 | 11 16 -2.9 -15.3 64 28 24384 330 6 3.0 -5.2 | 5 20 -1.9 -20.3 65 23 25603 85 2 -2.0 -0.2 | 24 17 -6.9 -15.3 66 21 26213 70 10 -9.4 -3.4 | 38 23 -14.3 -18.6 67 20 26510 90 15 -15.0 0.0 | 53 25 -19.9 -15.1 68 20 26518 55 13 -10.6 -7.5 | 35 27 -15.6 -22.6 69 19 26822 85 16 -15.9 -1.4 | 52 27 -20.9 -16.5 70 18 27127 110 13 -12.2 4.4 | 58 20 -17.2 -10.7 71 17 27432 100 13 -12.8 2.3 | 54 22 -17.7 -12.9 72 17 27737 125 10 -8.2 5.7 | 54 16 -13.1 -9.4 73 15 28346 160 10 -3.4 9.4 | 56 10 -8.4 -5.7 74 14 28956 145 10 -5.7 8.2 | 57 13 -10.7 -6.9 75 13 29566 200 10 3.4 9.4 | 15 6 -1.5 -5.7 76 10 31100 25 9 -3.8 -8.2 | 21 25 -8.7 -23.3 77 7 33520 155 11 -4.6 10.0 | 62 11 -9.6 -5.2 Wind Parameters Mean winds (0-6000m): 168.1 at 21.2 knts Storm direction: 198.1 at 15.9 knts Shear (0-3000m) pos: 3.3 neg: 3.8 tot: 7.2 10-3/s Storm rel Dir Shear (0-3000m): 124.2 deg Storm rel helicity (0-3000m) pos: 97.6 neg: -2.3 tot: 95.3 m^2/s^2 ave: 31.8 10^-3 m/s^2 rel: 0.67 Storm rel vorticity (0-3000m) horiz: 12.3 stream: 8.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 12.76 Bulk Shear: 0.73 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 ------------------------------------------------------------------------------- 500 166 19 109 10| 0.0 12.0 12.0| 47.4 0.0 47.4 94.8 0.75| 25.3 18.8 1000 180 19 127 6| 5.3 6.0 11.4| 56.5 0.0 56.5 56.5 0.73| 19.8 14.6 1500 182 17 113 5| 3.6 5.3 8.8| 61.6 -0.2 61.5 41.0 0.70| 17.1 11.9 2000 176 17 106 6| 2.7 5.7 8.4| 72.7 -0.2 72.5 36.3 0.69| 14.6 10.0 2500 173 18 109 7| 2.9 4.6 7.4| 93.3 -0.2 93.1 37.3 0.71| 13.3 9.4 3000 175 18 113 7| 3.3 3.8 7.2| 97.6 -2.3 95.3 31.8 0.67| 12.3 8.2 4000 177 20 126 7| 2.5 3.9 6.4| 98.1 -9.8 88.3 22.1 0.56| 10.6 5.9 5000 175 20 127 9| 2.0 3.7 5.7| 98.1 -40.6 57.5 11.5 0.40| 9.6 3.8 6000 168 21 121 11| 1.7 3.4 5.0|112.1 -53.5 58.7 9.8 0.36| 8.7 3.2 Wrote GIF file: /home/apache/climate/data/raob//PAKN/skewt/PAKN.skewt.20250421.00.gif