UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042900.upa.cvt Date: 0000Z 29 APR 25 Searching for PAKN... Searching the city database file for: PAKN ... Date:0000Z 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 ------------------------------------------------------------------------------- SFC 1003 15 6.8 -1.2 57 8.0 3.4 110 8 279.7 280.3 276.4 289.4 3.49 1 1000 34 5.8 -1.2 61 7.0 2.8 105 8 279.0 279.5 276.0 288.7 3.50 2 995 75 5.4 -1.6 61 7.0 2.5 107 8 278.9 279.5 275.9 288.4 3.41 3 925 666 0.6 -3.3 75 3.9 -0.9 170 9 279.9 280.5 276.1 289.0 3.23 4 862 1228 -4.5 -4.5 100 0.0 -4.5 199 10 280.3 280.8 276.2 289.2 3.17 5 851 1329 -5.3 -5.3 100 0.0 -5.3 186 13 280.5 281.0 276.2 289.0 3.02 6 850 1338 -5.5 -5.8 98 0.3 -5.6 185 13 280.4 280.9 275.9 288.6 2.91 7 849 1347 -5.5 -6.4 93 0.9 -5.8 186 13 280.5 281.0 275.8 288.4 2.79 8 835 1477 -6.5 -6.5 100 0.0 -6.5 196 15 280.8 281.2 276.0 288.7 2.81 9 796 1850 -8.7 -9.0 98 0.3 -8.8 186 16 282.3 282.7 276.3 289.2 2.43 10 766 2146 -10.5 -11.0 96 0.5 -10.6 196 21 283.5 283.8 276.5 289.7 2.15 11 760 2207 -10.5 -11.5 92 1.0 -10.8 204 21 284.1 284.5 276.7 290.2 2.08 12 757 2237 -11.1 -14.2 78 3.1 -11.9 208 21 283.8 284.1 276.0 288.7 1.68 13 755 2258 -11.1 -19.1 52 8.0 -13.0 211 21 284.0 284.2 275.3 287.3 1.12 14 754 2268 -11.1 -20.1 47 9.0 -13.2 212 21 284.1 284.3 275.2 287.2 1.03 15 752 2288 -11.3 -22.3 40 11.0 -13.6 215 21 284.1 284.2 274.9 286.7 0.85 16 751 2298 -10.9 -20.9 44 10.0 -13.2 216 21 284.6 284.8 275.4 287.5 0.96 17 748 2329 -9.3 -12.7 76 3.4 -10.3 221 21 286.7 287.0 277.9 292.4 1.92 18 747 2340 -8.9 -11.7 80 2.8 -9.8 222 21 287.2 287.6 278.3 293.4 2.09 19 725 2571 -9.5 -10.8 90 1.3 -9.9 229 22 289.0 289.5 279.5 295.9 2.31 20 716 2668 -9.3 -11.4 85 2.1 -10.0 224 22 290.3 290.7 280.0 296.9 2.23 21 700 2842 -10.1 -12.3 84 2.2 -10.8 225 21 291.3 291.7 280.3 297.7 2.12 22 657 3329 -12.3 -14.8 82 2.5 -13.0 239 29 294.1 294.5 281.3 299.8 1.84 23 610 3892 -16.1 -17.0 93 0.9 -16.3 237 31 296.1 296.4 281.8 301.2 1.65 24 602 3991 -15.9 -17.2 90 1.3 -16.3 238 30 297.4 297.7 282.4 302.6 1.65 25 579 4284 -17.3 -17.7 97 0.4 -17.4 240 30 299.1 299.4 283.1 304.3 1.64 26 563 4493 -18.5 -19.1 95 0.6 -18.7 243 30 300.1 300.4 283.3 304.9 1.50 27 560 4533 -18.7 -20.1 89 1.4 -19.0 244 30 300.3 300.6 283.3 304.7 1.38 28 531 4928 -21.5 -21.9 97 0.4 -21.6 233 35 301.6 301.8 283.6 305.6 1.25 29 524 5025 -21.3 -23.2 85 1.9 -21.7 228 35 303.0 303.2 284.0 306.6 1.13 30 520 5082 -21.7 -23.6 85 1.9 -22.1 225 35 303.2 303.4 284.1 306.7 1.10 31 519 5096 -21.7 -23.5 85 1.8 -22.1 224 35 303.3 303.5 284.1 306.9 1.11 32 518 5110 -21.9 -24.4 80 2.5 -22.4 223 35 303.3 303.4 284.0 306.6 1.02 33 514 5167 -22.5 -30.5 48 8.0 -23.8 221 35 303.2 303.3 283.5 305.2 0.59 34 512 5196 -22.7 -31.7 44 9.0 -24.1 219 35 303.3 303.4 283.4 305.1 0.53 35 509 5239 -22.5 -37.5 24 15.0 -24.4 217 35 304.1 304.1 283.4 305.1 0.30 36 506 5282 -22.5 -37.5 24 15.0 -24.4 215 35 304.6 304.6 283.7 305.6 0.30 37 500 5370 -22.9 -37.9 24 15.0 -24.8 210 35 305.1 305.2 283.8 306.1 0.29 38 490 5517 -23.9 -39.9 21 16.0 -25.8 210 35 305.7 305.7 284.0 306.5 0.24 39 477 5713 -25.1 -32.1 52 7.0 -26.1 210 35 306.5 306.6 284.7 308.4 0.54 40 471 5804 -25.9 -33.9 47 8.0 -27.0 210 34 306.7 306.7 284.7 308.2 0.46 41 461 5959 -27.3 -34.3 51 7.0 -28.2 210 34 306.8 306.9 284.7 308.4 0.45 42 458 6006 -26.9 -30.0 75 3.1 -27.4 210 34 307.9 308.0 285.4 310.2 0.69 43 456 6037 -27.1 -29.6 79 2.5 -27.5 210 34 308.0 308.1 285.5 310.4 0.72 44 444 6229 -28.3 -30.5 81 2.2 -28.6 213 36 308.9 309.0 285.7 311.2 0.68 45 434 6392 -28.9 -31.9 75 3.0 -29.3 217 40 310.1 310.2 286.1 312.2 0.61 46 400 6970 -32.3 -35.2 75 2.9 -32.6 225 42 313.0 313.1 287.0 314.7 0.48 47 388 7184 -33.9 -36.2 80 2.3 -34.1 225 41 313.7 313.7 287.2 315.2 0.45 48 382 7293 -34.9 -37.9 74 3.0 -35.2 225 41 313.7 313.8 287.1 315.1 0.38 49 369 7534 -36.9 -39.0 81 2.1 -37.1 225 40 314.2 314.3 287.2 315.5 0.35 50 361 7685 -38.3 -41.4 73 3.1 -38.5 225 40 314.3 314.4 287.2 315.3 0.28 51 352 7858 -39.9 -42.6 75 2.7 -40.1 225 39 314.4 314.5 287.2 315.3 0.25 52 348 7936 -40.5 -42.3 83 1.8 -40.6 225 39 314.6 314.7 287.3 315.6 0.27 53 328 8337 -43.5 -47.5 65 4.0 -43.7 225 37 315.9 315.9 287.6 316.5 0.16 54 304 8843 -47.9 -50.4 75 2.5 -48.0 225 35 316.6 316.7 287.8 317.1 0.12 55 300 8930 -48.7 -51.4 73 2.7 -48.8 225 35 316.7 316.7 287.8 317.1 0.11 56 250 10110 -54.9 -66.9 21 12.0 -55.1 225 41 324.4 324.5 290.1 324.5 0.02 57 239 10399 -55.7 -68.7 18 13.0 -55.9 230 36 327.4 327.4 291.0 327.5 0.02 58 200 11560 -47.5 -73.5 3 26.0 -48.1 230 35 357.6 357.6 298.2 357.6 0.01 59 150 13470 -48.3 -75.3 3 27.0 -49.1 250 39 386.8 386.8 303.3 386.9 0.01 60 100 16100 -53.5 -80.5 2 27.0 -54.1 245 22 424.4 424.4 308.2 424.4 0.01 61 93 16569 -52.5 -80.5 2 28.0 -53.2 243 22 435.2 435.2 309.4 435.3 0.01 62 84 17224 -54.5 -81.5 2 27.0 -55.2 243 23 444.0 444.0 310.3 444.1 0.01 63 72 18218 -52.3 -80.3 2 28.0 -53.3 253 15 468.7 468.7 312.5 468.8 0.01 64 70 18400 -53.1 -82.1 2 29.0 -54.0 230 15 470.8 470.8 312.7 470.8 0.01 65 61 19285 -54.1 -82.1 2 28.0 -55.1 243 11 487.5 487.5 314.0 487.5 0.01 66 55 19953 -51.5 -81.5 2 30.0 -52.8 214 12 508.1 508.1 315.5 508.1 0.01 67 50 20570 -53.1 -82.1 2 29.0 -54.4 205 9 518.3 518.3 316.2 518.4 0.01 68 46 21106 -53.7 -82.7 2 29.0 -54.9 224 9 529.4 529.4 316.9 529.5 0.01 69 37 22510 -51.3 -83.3 1 32.0 -53.2 201 10 569.6 569.6 319.2 569.6 0.01 70 35 22870 -52.1 -83.1 1 31.0 -53.9 242 8 576.6 576.6 319.5 576.7 0.01 71 31 23657 -50.7 -83.7 1 33.0 -53.1 347 3 600.8 600.8 320.6 600.8 0.01 72 30 23870 -51.3 -83.3 1 32.0 -53.6 15 2 604.8 604.8 320.8 604.9 0.01 73 26 24803 -51.5 -83.5 1 32.0 -54.0 169 3 629.5 629.5 321.9 629.6 0.01 74 22 25900 -47.9 -82.9 1 35.0 -51.8 166 7 671.0 671.0 323.4 671.2 0.02 75 20 26530 -48.3 -83.3 1 35.0 -52.3 175 7 688.3 688.3 324.0 688.5 0.02 76 19 26869 -45.9 -81.9 1 36.0 -50.9 166 6 706.0 706.0 324.6 706.2 0.03 77 16 28008 -47.7 -82.7 1 35.0 -52.5 136 5 735.7 735.7 325.6 735.9 0.03 78 14 28894 -45.3 -82.3 1 37.0 -51.5 115 8 772.4 772.4 326.5 772.7 0.03 79 13 29387 -46.1 -82.1 1 36.0 -52.3 103 9 786.2 786.2 326.9 786.5 0.04 80 10 31140 -43.7 -80.7 1 37.0 -52.0 310 7 856.4 856.5 328.5 857.0 0.06 81 9.3 31629 -42.9 -80.9 1 38.0 -52.0 877.4 877.5 329.0 878.1 0.06 82 9.1 31775 -43.1 -81.1 1 38.0 -52.1 882.1 882.2 329.1 882.8 0.06 83 8.5 32237 -40.7 -80.7 1 40.0 -51.4 908.9 908.9 329.6 909.6 0.07 84 7.7 32910 -40.7 -79.7 1 39.0 -51.8 935.0 935.0 330.1 936.0 0.09 85 7.3 33275 -39.1 -80.1 1 41.0 -51.4 955.9 955.9 330.5 956.9 0.09 86 7.1 33465 -39.5 -79.5 1 40.0 -51.7 961.8 961.9 330.5 963.0 0.10 TRP 239 10399 -55.7 -68.7 18 13.0 -55.9 230 36 327.4 327.4 291.0 327.5 0.02 WND Sounding variables and indices 1000-500 mb thick: 5336.00 m Freezing level: 917.59 mb = 732.07 m = 2401.78 ft Wetbulb zero: 944.34 mb = 498.36 m = 1635.01 ft Precipitable water: 0.50 inches Sfc-500 mean rel hum: 84.29 % Est. max temperature: 7.55 C = 45.60 F Sfc-Lift cond lev (LCL): 887.01 mb = 999.91 m = 3280.49 ft T: -2.43 C 700-500 lapse rate: 5.06 C/km ThetaE index: 3.49 C Layer 757.0- 751.0 mb Conv cond level (CCL): 870.12 mb = 1152.96 m = 3782.64 ft Mean mixing ratio: 3.31 g/kg Conv temperature: 7.35 C = 45.23 F Cap Strength: 13.87 C Lifted Index: 14.23 C Risk: None Lifted Index @300 mb: 19.83 C Lifted Index @700 mb: 6.35 C Showalter Index: 14.38 C Risk: None Total Totals Index: 34.50 C Risk: None Vertical Totals Index: 17.40 C Cross Totals Index: 17.10 C K Index: 9.40 Risk: None Sweat Index: 61.00 Risk: None Energy Index: 3.66 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.20 J/kg Max Up Vert Vel: 2.53 m/s Conv Inhibition (B-): 78442.59 J/kg Cap Strength: 13.42 C Lift Cond Lev (LCL): 879.50 mb = 1067.57 m = 3502.50 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 251 at 18 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 15 110 8 -7.5 2.7 | 83 24 -24.2 -3.0 1 1000 34 105 8 -7.7 2.1 | 81 25 -24.4 -3.7 2 967 305 115 9 -8.2 3.8 | 85 25 -24.9 -2.0 3 931 610 160 10 -3.4 9.4 | 100 20 -20.1 3.6 4 925 666 170 9 -1.6 8.9 | 100 19 -18.3 3.1 5 897 914 210 6 3.0 5.2 | 88 14 -13.7 -0.6 6 863 1219 200 10 3.4 9.4 | 105 14 -13.3 3.6 7 850 1338 185 13 1.1 13.0 | 115 17 -15.6 7.2 8 830 1524 200 16 5.5 15.0 | 130 15 -11.2 9.3 9 798 1829 185 16 1.4 15.9 | 124 18 -15.3 10.2 10 767 2134 195 21 5.4 20.3 | 142 18 -11.3 14.5 11 737 2438 235 21 17.2 12.0 | 185 6 0.5 6.3 12 709 2743 220 23 14.8 17.6 | 171 12 -1.9 11.9 13 700 2842 225 21 14.8 14.8 | 169 9 -1.8 9.1 14 654 3353 240 30 26.0 15.0 | 225 13 9.3 9.2 15 628 3658 235 31 25.4 17.8 | 216 15 8.7 12.0 16 579 4267 240 30 26.0 15.0 | 225 13 9.3 9.2 17 556 4572 245 30 27.2 12.7 | 237 13 10.5 6.9 18 534 4877 235 35 28.7 20.1 | 220 19 12.0 14.3 19 500 5370 210 35 17.5 30.3 | 182 25 0.8 24.5 20 492 5486 210 35 17.5 30.3 | 182 25 0.8 24.5 21 452 6096 210 34 17.0 29.4 | 181 24 0.3 23.7 22 415 6706 225 46 32.5 32.5 | 211 31 15.8 26.8 23 400 6970 225 42 29.7 29.7 | 209 27 13.0 23.9 24 364 7620 225 40 28.3 28.3 | 207 25 11.6 22.5 25 300 8930 225 35 24.7 24.7 | 203 21 8.1 19.0 26 290 9144 220 35 22.5 26.8 | 195 22 5.8 21.0 27 264 9754 215 42 24.1 34.4 | 194 30 7.4 28.6 28 250 10110 225 41 29.0 29.0 | 208 26 12.3 23.2 29 239 10399 230 36 27.6 23.1 | 212 21 10.9 17.4 30 219 10973 230 44 33.7 28.3 | 217 28 17.0 22.5 31 209 11278 235 31 25.4 17.8 | 216 15 8.7 12.0 32 200 11560 230 35 26.8 22.5 | 211 20 10.1 16.7 33 182 12192 225 40 28.3 28.3 | 207 25 11.6 22.5 34 174 12497 245 35 31.7 14.8 | 239 18 15.0 9.0 35 166 12802 235 44 36.0 25.2 | 225 27 19.3 19.5 36 151 13411 255 38 36.7 9.8 | 258 20 20.0 4.1 37 150 13470 250 39 36.6 13.3 | 249 21 20.0 7.6 38 125 14630 255 24 23.2 6.2 | 266 7 6.5 0.4 39 120 14935 230 29 22.2 18.6 | 203 14 5.5 12.9 40 114 15240 245 37 33.5 15.6 | 240 20 16.8 9.9 41 109 15545 250 22 20.7 7.5 | 246 4 4.0 1.8 42 100 16100 245 22 19.9 9.3 | 223 5 3.2 3.5 43 95 16459 245 22 19.9 9.3 | 223 5 3.2 3.5 44 86 17069 235 24 19.7 13.8 | 200 9 3.0 8.0 45 82 17374 250 22 20.7 7.5 | 246 4 4.0 1.8 46 78 17678 230 24 18.4 15.4 | 190 10 1.7 9.7 47 75 17983 230 23 17.6 14.8 | 186 9 0.9 9.0 48 71 18288 260 13 12.8 2.3 | 48 5 -3.9 -3.5 49 70 18400 230 15 11.5 9.6 | 127 6 -5.2 3.9 50 65 18898 220 14 9.0 10.7 | 123 9 -7.7 5.0 51 62 19202 250 12 11.3 4.1 | 73 6 -5.4 -1.7 52 59 19507 225 10 7.1 7.1 | 98 10 -9.6 1.3 53 54 20117 210 13 6.5 11.3 | 118 12 -10.2 5.5 54 50 20570 205 9 3.8 8.2 | 101 13 -12.9 2.4 55 49 20726 250 13 12.2 4.4 | 74 5 -4.5 -1.3 56 47 21031 230 10 7.7 6.4 | 94 9 -9.0 0.7 57 44 21336 205 8 3.4 7.3 | 96 13 -13.3 1.5 58 42 21641 230 11 8.4 7.1 | 99 8 -8.3 1.3 59 37 22555 200 10 3.4 9.4 | 105 14 -13.3 3.6 60 30 23870 15 2 -0.5 -1.9 | 66 19 -17.2 -7.7 61 28 24384 170 1 -0.2 1.0 | 74 18 -16.9 -4.8 62 20 26518 165 10 -2.6 9.7 | 101 20 -19.3 3.9 63 20 26530 175 7 -0.6 7.0 | 94 17 -17.3 1.2 64 17 27432 150 4 -2.0 3.5 | 83 19 -18.7 -2.3 65 12 30175 85 11 -11.0 -1.0 | 76 28 -27.7 -6.7 66 10 31140 310 7 5.4 -4.5 | 48 15 -11.3 -10.3 Wind Parameters Mean winds (0-6000m): 221.0 at 23.6 knts Storm direction: 251.0 at 17.7 knts Shear (0-3000m) pos: 4.1 neg: 2.4 tot: 6.6 10-3/s Storm rel Dir Shear (0-3000m): 107.4 deg Storm rel helicity (0-3000m) pos: 147.9 neg: -25.8 tot: 122.1 m^2/s^2 ave: 40.7 10^-3 m/s^2 rel: 0.45 Storm rel vorticity (0-3000m) horiz: 10.7 stream: 4.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.03 Bulk Shear: 94.97 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 ------------------------------------------------------------------------------- 500 119 9 87 24| 5.9 0.0 5.9| 35.2 -0.8 34.4 68.8 0.80| 7.0 5.6 1000 147 8 93 21| 5.9 0.0 5.9| 49.1 -14.7 34.4 34.4 0.27| 9.5 2.6 1500 169 9 101 19| 3.9 3.0 6.9| 85.2 -14.7 70.5 47.0 0.48| 10.1 4.9 2000 178 11 108 18| 2.9 3.1 6.1|102.1 -20.9 81.2 40.6 0.44| 9.4 4.2 2500 190 13 117 16| 4.9 2.5 7.4|139.0 -20.9 118.1 47.2 0.50| 10.9 5.5 3000 200 15 125 14| 4.1 2.4 6.6|147.9 -25.8 122.1 40.7 0.45| 10.7 4.8 4000 216 19 148 11| 4.0 1.8 5.9|170.7 -31.6 139.0 34.8 0.47| 9.4 4.4 5000 224 21 168 10| 3.4 2.5 5.9|181.1 -68.8 112.3 22.5 0.33| 9.0 3.0 6000 221 24 174 12| 2.8 2.7 5.5|181.1-129.7 51.4 8.6 0.19| 8.5 1.6 Wrote GIF file: /home/apache/climate/data/raob//PAKN/skewt/PAKN.skewt.20250429.00.gif