UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042912.upa.cvt Date: 1200Z 29 APR 25 Searching for PAKN... Searching the city database file for: PAKN ... Date:1200Z 29 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 ------------------------------------------------------------------------------- 0 1000 -23 90 3 SFC 996 15 2.8 1.8 93 1.0 2.4 90 3 276.3 277.0 275.7 288.2 4.37 2 991 55 3.0 1.5 90 1.5 2.3 95 5 276.9 277.6 275.9 288.6 4.30 3 984 112 2.6 1.3 91 1.3 2.0 102 7 277.0 277.7 276.0 288.7 4.27 4 965 269 3.0 -0.9 76 3.9 1.4 121 14 279.0 279.6 276.3 289.3 3.71 5 925 607 -0.5 -1.1 96 0.6 -0.7 145 19 278.8 279.4 276.3 289.3 3.81 6 917 676 -1.1 -1.2 99 0.1 -1.2 146 22 278.9 279.5 276.4 289.4 3.82 7 876 1041 -3.1 -3.3 99 0.2 -3.2 152 36 280.5 281.1 276.7 290.0 3.42 8 850 1279 -4.1 -4.3 99 0.2 -4.2 155 40 281.9 282.4 277.2 291.1 3.27 9 749 2270 -7.5 -8.7 91 1.2 -7.9 174 33 288.5 289.0 279.7 296.3 2.64 10 700 2794 -10.7 -12.3 88 1.6 -11.2 175 22 290.6 291.0 280.0 297.0 2.12 11 662 3221 -13.3 -15.1 86 1.8 -13.8 165 20 292.4 292.7 280.4 297.8 1.79 12 608 3863 -17.5 -18.4 93 0.9 -17.7 164 19 294.7 295.0 281.0 299.3 1.47 13 583 4177 -19.3 -21.4 83 2.1 -19.8 167 21 296.2 296.4 281.3 299.9 1.19 14 565 4409 -20.7 -21.8 91 1.1 -21.0 164 24 297.2 297.4 281.7 301.0 1.18 15 562 4449 -20.9 -22.3 88 1.4 -21.2 164 25 297.4 297.7 281.8 301.0 1.14 16 554 4554 -21.9 -23.9 84 2.0 -22.3 163 26 297.5 297.7 281.6 300.7 1.00 17 525 4947 -25.1 -26.3 90 1.2 -25.3 161 32 298.2 298.4 281.7 301.0 0.85 18 500 5300 -27.7 -30.2 79 2.5 -28.0 165 32 299.3 299.4 281.9 301.3 0.62 19 492 5415 -28.7 -31.7 75 3.0 -29.1 164 32 299.4 299.5 281.8 301.2 0.55 20 491 5430 -28.9 -31.3 80 2.4 -29.2 163 32 299.4 299.5 281.8 301.2 0.57 21 487 5488 -29.3 -32.6 73 3.3 -29.7 163 32 299.6 299.7 281.8 301.2 0.51 22 463 5846 -32.3 -34.6 80 2.3 -32.6 158 33 300.2 300.3 282.0 301.7 0.44 23 452 6015 -33.7 -37.2 71 3.5 -34.0 156 33 300.5 300.6 282.0 301.7 0.35 24 440 6203 -35.5 -37.7 80 2.2 -35.7 153 34 300.5 300.6 282.0 301.7 0.34 25 436 6266 -35.9 -40.4 63 4.5 -36.2 151 34 300.8 300.9 282.1 301.7 0.26 26 435 6282 -36.1 -45.1 39 9.0 -36.7 151 34 300.8 300.8 281.9 301.3 0.16 27 433 6314 -36.1 -53.1 16 17.0 -36.9 150 34 301.2 301.2 281.9 301.4 0.06 28 430 6362 -36.3 -50.3 22 14.0 -37.0 149 35 301.5 301.5 282.1 301.8 0.09 29 424 6459 -37.1 -53.1 17 16.0 -37.8 146 35 301.7 301.7 282.1 301.9 0.06 30 421 6508 -36.9 -53.9 16 17.0 -37.7 145 36 302.6 302.6 282.5 302.8 0.06 31 409 6707 -37.9 -51.9 22 14.0 -38.6 140 37 303.8 303.8 283.0 304.1 0.08 32 400 6860 -38.9 -50.9 27 12.0 -39.5 150 39 304.4 304.4 283.3 304.8 0.09 33 378 7245 -41.9 -51.9 33 10.0 -42.3 154 38 305.4 305.5 283.7 305.7 0.08 34 375 7299 -41.9 -54.9 23 13.0 -42.4 155 38 306.1 306.1 284.0 306.4 0.06 35 357 7630 -43.1 -61.1 12 18.0 -43.6 160 35 308.9 308.9 284.9 309.0 0.03 36 347 7821 -43.5 -64.5 8 21.0 -44.0 162 36 310.8 310.8 285.7 310.9 0.02 37 323 8300 -45.3 -67.3 7 22.0 -45.8 166 38 314.8 314.8 287.0 314.8 0.01 38 300 8790 -47.5 -69.5 6 22.0 -47.9 170 38 318.4 318.4 288.2 318.4 0.01 39 292 8969 -48.5 -70.5 6 22.0 -48.9 170 35 319.5 319.5 288.6 319.5 0.01 40 251 9973 -46.5 -76.5 2 30.0 -47.1 181 34 336.5 336.6 293.4 336.6 0.00 41 250 10000 -45.7 -76.7 2 31.0 -46.3 180 34 338.1 338.1 293.9 338.1 0.00 42 244 10162 -43.7 -76.7 1 33.0 -44.5 182 31 343.5 343.5 295.1 343.5 0.00 43 239 10301 -43.7 -76.7 1 33.0 -44.5 191 29 345.5 345.5 295.6 345.5 0.00 44 202 11433 -42.3 -78.3 1 36.0 -43.4 212 25 364.8 364.8 299.6 364.8 0.00 45 200 11500 -42.3 -78.3 1 36.0 -43.4 215 25 365.8 365.8 299.8 365.8 0.00 46 187 11952 -44.5 -79.5 1 35.0 -45.4 213 14 369.3 369.3 300.4 369.4 0.00 47 171 12551 -44.9 -79.9 1 35.0 -45.9 179 27 378.2 378.2 301.9 378.3 0.00 48 160 12996 -43.5 -79.5 1 36.0 -44.7 189 32 387.9 387.9 303.5 387.9 0.00 49 150 13430 -44.1 -80.1 1 36.0 -45.3 225 29 394.1 394.1 304.4 394.1 0.00 50 133 14227 -49.5 -82.5 1 33.0 -50.3 230 19 398.2 398.2 305.0 398.3 0.00 51 124 14687 -48.5 -82.5 1 34.0 -49.4 205 19 408.1 408.1 306.3 408.1 0.00 52 105 15773 -51.5 -83.5 1 32.0 -52.2 230 18 422.3 422.3 308.0 422.3 0.00 53 100 16090 -50.9 -83.9 1 33.0 -51.7 225 24 429.4 429.4 308.8 429.4 0.00 54 86 17063 -54.7 -85.7 1 31.0 -55.4 200 16 440.6 440.6 310.0 440.7 0.00 55 81 17449 -51.7 -84.7 1 33.0 -52.7 226 21 454.4 454.4 311.3 454.4 0.00 56 74 18032 -53.5 -84.5 1 31.0 -54.4 213 18 462.5 462.5 312.0 462.5 0.00 57 70 18390 -53.1 -85.1 1 32.0 -54.0 215 16 470.8 470.8 312.7 470.8 0.00 58 64 18970 -51.3 -84.3 1 33.0 -52.5 204 11 487.0 487.0 314.0 487.0 0.01 59 55 19953 -52.3 -84.3 1 32.0 -53.5 175 10 506.2 506.2 315.4 506.3 0.01 60 50 20570 -51.7 -84.7 1 33.0 -53.1 260 5 521.6 521.6 316.4 521.7 0.01 61 30 23890 -49.7 -83.7 1 34.0 -52.4 5 2 609.1 609.2 321.0 609.2 0.01 62 27 24577 -50.9 -84.9 1 34.0 -53.5 112 3 624.4 624.4 321.7 624.5 0.01 63 23 25622 -49.9 -83.9 1 34.0 -53.1 151 3 656.7 656.7 322.9 656.8 0.02 64 22 25913 -48.3 -84.3 1 36.0 -52.1 162 3 669.8 669.8 323.4 669.9 0.01 65 20 26540 -48.7 -83.7 1 35.0 -52.6 185 3 687.1 687.1 324.0 687.2 0.02 66 15 28442 -46.7 -83.7 1 37.0 -52.2 111 7 752.7 752.7 326.0 752.9 0.02 67 14 28900 -46.5 -83.5 1 37.0 -52.2 110 8 768.4 768.4 326.4 768.6 0.03 68 13 29392 -47.3 -83.3 1 36.0 -53.0 108 9 782.0 782.1 326.8 782.3 0.03 69 12 29926 -44.3 -82.3 1 38.0 -51.6 106 10 810.8 810.8 327.5 811.1 0.04 70 12 29926 -45.1 -82.1 1 37.0 -52.0 106 10 807.9 808.0 327.4 808.3 0.04 71 11 30510 -43.3 -82.3 1 39.0 -51.4 61 10 834.8 834.9 328.1 835.2 0.04 72 10 31150 -44.5 -82.5 1 38.0 -52.4 340 9 853.4 853.5 328.5 853.9 0.04 73 9.6 31422 -45.3 -82.3 1 37.0 -53.0 347 9 860.4 860.5 328.6 860.9 0.05 74 8.9 31927 -45.1 -83.1 1 38.0 -53.2 1 10 880.0 880.1 329.0 880.5 0.04 75 8.7 32079 -42.7 -82.7 0 40.0 -52.2 5 11 895.1 895.1 329.3 895.6 0.05 76 8.2 32478 -42.1 -81.1 1 39.0 -52.1 16 11 912.8 912.8 329.7 913.5 0.07 77 7.8 32815 -43.3 -82.3 1 39.0 -52.9 25 12 921.1 921.1 329.8 921.7 0.06 78 7.5 33081 -40.7 -81.7 0 41.0 -52.0 32 12 942.0 942.1 330.2 942.7 0.07 79 7.0 33550 -40.3 -81.3 0 41.0 -52.1 45 13 962.5 962.5 330.6 963.3 0.08 80 6.9 33648 -39.9 -80.9 0 41.0 -52.1 968.1 968.1 330.7 969.0 0.08 TRP 292 8969 -48.5 -70.5 6 22.0 -48.9 170 35 319.5 319.5 288.6 319.5 0.01 WND Sounding variables and indices 1000-500 mb thick: 5323.00 m Freezing level: 930.71 mb = 558.70 m = 1832.99 ft Wetbulb zero: 939.07 mb = 486.44 m = 1595.92 ft Precipitable water: 0.51 inches Sfc-500 mean rel hum: 90.17 % Est. max temperature: 8.63 C = 47.53 F Sfc-Lift cond lev (LCL): 980.58 mb = 140.26 m = 460.15 ft T: 2.67 C 700-500 lapse rate: 6.78 C/km Conv cond level (CCL): 917.50 mb = 672.11 m = 2205.07 ft Mean mixing ratio: 3.86 g/kg Conv temperature: 5.40 C = 41.73 F Cap Strength: 8.63 C Lifted Index: 9.11 C Risk: None Lifted Index @300 mb: 20.74 C Lifted Index @700 mb: 5.42 C Showalter Index: 7.73 C Risk: None Total Totals Index: 47.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.60 C Cross Totals Index: 23.40 C K Index: 17.70 Risk: < 20 % chance of thunderstorms Sweat Index: 112.00 Risk: None Energy Index: 2.13 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.26 J/kg Max Up Vert Vel: 4.30 m/s Conv Inhibition (B-): 73393.16 J/kg Cap Strength: 9.08 C Lift Cond Lev (LCL): 921.71 mb = 635.54 m = 2085.07 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 191 at 21 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 ---------------------------------------------------------- 0 996 15 90 3 -3.0 0.0 | 19 21 -7.0 -20.3 1 961 305 125 16 -13.1 9.2 | 57 20 -17.1 -11.1 2 925 607 145 19 -10.9 15.6 | 72 16 -14.9 -4.8 3 925 610 145 19 -10.9 15.6 | 72 16 -14.9 -4.8 4 890 914 150 33 -16.5 28.6 | 112 22 -20.5 8.3 5 856 1219 155 41 -17.3 37.2 | 128 27 -21.3 16.8 6 850 1279 155 40 -16.9 36.3 | 127 26 -20.9 15.9 7 824 1524 160 43 -14.7 40.4 | 137 27 -18.7 20.1 8 792 1829 160 39 -13.3 36.6 | 133 24 -17.3 16.3 9 762 2134 170 37 -6.4 36.4 | 147 19 -10.4 16.1 10 733 2438 180 28 0.0 28.0 | 153 9 -4.0 7.7 11 705 2743 175 24 -2.1 23.9 | 121 7 -6.1 3.6 12 700 2794 175 22 -1.9 21.9 | 105 6 -5.9 1.6 13 623 3658 155 18 -7.6 16.3 | 71 12 -11.6 -4.0 14 598 3962 170 20 -3.5 19.7 | 85 7 -7.5 -0.6 15 574 4267 165 22 -5.7 21.3 | 95 10 -9.7 0.9 16 529 4877 160 32 -10.9 30.1 | 123 18 -14.9 9.7 17 500 5300 165 32 -8.3 30.9 | 131 16 -12.3 10.6 18 446 6096 155 33 -13.9 29.9 | 118 20 -17.9 9.6 19 409 6706 140 37 -23.8 28.3 | 106 29 -27.8 8.0 20 400 6860 150 39 -19.5 33.8 | 120 27 -23.5 13.4 21 391 7010 150 40 -20.0 34.6 | 121 28 -24.0 14.3 22 357 7620 160 35 -12.0 32.9 | 128 20 -16.0 12.6 23 326 8230 165 38 -9.8 36.7 | 140 21 -13.8 16.4 24 300 8790 170 38 -6.6 37.4 | 148 20 -10.6 17.1 25 298 8839 160 35 -12.0 32.9 | 128 20 -16.0 12.6 26 292 8969 170 35 -6.1 34.5 | 145 17 -10.1 14.1 27 284 9144 170 34 -5.9 33.5 | 143 16 -9.9 13.2 28 259 9754 185 31 2.7 30.9 | 173 11 -1.3 10.6 29 250 10000 180 34 0.0 34.0 | 164 14 -4.0 13.7 30 248 10058 175 32 -2.8 31.9 | 150 13 -6.8 11.6 31 237 10363 195 28 7.2 27.0 | 206 7 3.3 6.7 32 226 10668 185 28 2.4 27.9 | 168 8 -1.5 7.6 33 216 10973 195 24 6.2 23.2 | 218 4 2.2 2.9 34 200 11500 215 25 14.3 20.5 | 269 10 10.4 0.2 35 198 11582 210 35 17.5 30.3 | 234 17 13.5 10.0 36 189 11887 220 14 9.0 10.7 | 332 11 5.0 -9.6 37 180 12192 185 16 1.4 15.9 | 31 5 -2.6 -4.4 38 172 12497 175 26 -2.3 25.9 | 132 8 -6.2 5.6 39 165 12802 195 29 7.5 28.0 | 205 8 3.5 7.7 40 157 13106 185 34 3.0 33.9 | 176 14 -1.0 13.5 41 150 13411 210 35 17.5 30.3 | 234 17 13.5 10.0 42 150 13430 225 29 20.5 20.5 | 269 17 16.5 0.2 43 144 13716 225 28 19.8 19.8 | 272 16 15.8 -0.5 44 137 14021 240 25 21.7 12.5 | 294 19 17.7 -7.8 45 131 14326 225 16 11.3 11.3 | 321 12 7.3 -9.0 46 119 14935 190 22 3.8 21.7 | 173 1 -0.2 1.3 47 114 15240 210 29 14.5 25.1 | 246 12 10.5 4.8 48 109 15545 230 25 19.2 16.1 | 286 16 15.2 -4.3 49 104 15850 230 15 11.5 9.6 | 325 13 7.5 -10.7 50 100 16090 225 24 17.0 17.0 | 284 13 13.0 -3.4 51 99 16154 195 15 3.9 14.5 | 1 6 -0.1 -5.8 52 94 16459 225 24 17.0 17.0 | 284 13 13.0 -3.4 53 86 17069 200 16 5.5 15.0 | 344 5 1.5 -5.3 54 82 17374 230 21 16.1 13.5 | 299 14 12.1 -6.8 55 78 17678 215 19 10.9 15.6 | 305 8 6.9 -4.8 56 75 17983 215 18 10.3 14.7 | 311 8 6.3 -5.6 57 71 18288 205 17 7.2 15.4 | 327 6 3.2 -4.9 58 70 18390 215 16 9.2 13.1 | 324 9 5.2 -7.2 59 68 18593 215 16 9.2 13.1 | 324 9 5.2 -7.2 60 65 18898 200 11 3.8 10.3 | 1 10 -0.2 -10.0 61 62 19202 215 11 6.3 9.0 | 348 12 2.3 -11.3 62 59 19507 175 4 -0.3 4.0 | 15 17 -4.3 -16.3 63 54 20117 175 12 -1.0 12.0 | 31 10 -5.0 -8.4 64 51 20422 215 15 8.6 12.3 | 330 9 4.6 -8.0 65 50 20570 260 5 4.9 0.9 | 357 19 0.9 -19.5 66 49 20726 220 15 9.6 11.5 | 327 10 5.7 -8.8 67 47 21031 225 1 0.7 0.7 | 9 20 -3.3 -19.6 68 44 21336 195 9 2.3 8.7 | 8 12 -1.7 -11.6 69 37 22555 240 10 8.7 5.0 | 343 16 4.7 -15.3 70 30 23890 5 2 -0.2 -2.0 | 11 23 -4.2 -22.3 71 28 24384 105 3 -2.9 0.8 | 19 21 -6.9 -19.5 72 20 26540 185 3 0.3 3.0 | 12 18 -3.7 -17.3 73 17 27432 115 6 -5.4 2.5 | 28 20 -9.4 -17.8 74 12 30175 105 10 -9.7 2.6 | 38 22 -13.6 -17.7 75 10 31150 340 9 3.1 -8.5 | 2 29 -0.9 -28.8 76 7 33550 45 13 -9.2 -9.2 | 24 32 -13.2 -29.5 Wind Parameters Mean winds (0-6000m): 161.1 at 27.6 knts Storm direction: 191.1 at 20.7 knts Shear (0-3000m) pos: 4.6 neg: 1.2 tot: 5.9 10-3/s Storm rel Dir Shear (0-3000m): 73.5 deg Storm rel helicity (0-3000m) pos: 269.8 neg: -24.3 tot: 245.5 m^2/s^2 ave: 81.8 10^-3 m/s^2 rel: 0.51 Storm rel vorticity (0-3000m) horiz: 13.4 stream: 6.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.20 Bulk Shear: 45.58 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 ------------------------------------------------------------------------------- 500 127 13 48 19| 16.7 0.0 16.7| 96.4 0.0 96.4 192.8 0.93| 19.5 18.0 1000 141 19 72 17| 17.7 0.0 17.7|176.7 0.0 176.7 176.7 0.89| 19.6 17.4 1500 149 26 97 18| 14.4 0.0 14.4|235.7 0.0 235.7 157.1 0.88| 16.6 14.6 2000 153 30 110 19| 9.6 0.0 9.6|253.9 -9.6 244.3 122.1 0.78| 14.5 11.3 2500 157 30 117 18| 5.6 0.0 5.6|269.8 -12.0 257.7 103.1 0.66| 14.5 9.5 3000 160 29 117 16| 4.6 1.2 5.9|269.8 -24.3 245.5 81.8 0.51| 13.4 6.8 4000 161 27 111 14| 3.9 1.5 5.4|276.1 -33.1 243.0 60.7 0.44| 11.4 5.0 5000 161 27 111 14| 3.1 1.3 4.4|302.7 -33.1 269.6 53.9 0.46| 10.5 4.8 6000 161 28 114 14| 2.6 1.4 4.0|309.2 -50.0 259.2 43.2 0.41| 9.3 3.8 Wrote GIF file: /home/apache/climate/data/raob//PAKN/skewt/PAKN.skewt.20250429.12.gif