UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041800.upa.cvt Date: 0000Z 18 APR 25 Searching for PAKN... Searching the city database file for: PAKN ... Date:0000Z 18 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 -51 180 10 SFC 993 15 2.8 1.2 89 1.6 2.1 180 10 276.5 277.2 275.6 288.0 4.20 2 961 275 0.2 0.2 100 0.0 0.2 171 22 276.5 277.2 275.3 287.5 4.03 3 934 499 -1.5 -1.5 100 0.0 -1.5 184 22 277.0 277.6 275.1 287.1 3.66 4 925 575 -1.9 -1.9 100 0.0 -1.9 190 21 277.4 278.0 275.2 287.3 3.59 5 850 1242 -6.3 -6.5 98 0.2 -6.4 190 20 279.5 280.0 275.3 287.3 2.76 6 836 1372 -7.1 -7.6 96 0.5 -7.2 190 20 280.0 280.5 275.3 287.3 2.58 7 751 2202 -10.7 -11.8 92 1.1 -11.1 195 20 284.8 285.2 277.1 290.9 2.06 8 700 2740 -13.9 -15.0 91 1.1 -14.2 205 17 287.1 287.4 277.7 292.2 1.70 9 679 2971 -15.3 -16.3 92 1.0 -15.6 209 18 288.0 288.3 278.0 292.8 1.57 10 664 3139 -16.5 -17.8 90 1.3 -16.8 211 19 288.5 288.8 278.0 292.8 1.42 11 642 3391 -18.3 -18.8 96 0.5 -18.4 215 19 289.3 289.5 278.3 293.4 1.35 12 591 4004 -22.9 -24.2 89 1.3 -23.1 206 21 290.9 291.0 278.5 293.7 0.91 13 585 4078 -23.3 -24.0 94 0.7 -23.4 210 20 291.3 291.4 278.7 294.2 0.94 14 569 4281 -24.9 -26.8 84 1.9 -25.2 220 17 291.7 291.8 278.6 294.1 0.75 15 539 4672 -28.1 -28.6 95 0.5 -28.2 226 17 292.4 292.5 278.9 294.6 0.67 16 537 4699 -28.3 -29.0 94 0.7 -28.4 227 17 292.5 292.6 278.9 294.6 0.65 17 530 4793 -27.3 -29.2 84 1.9 -27.6 228 17 294.8 294.9 280.0 296.9 0.64 18 526 4847 -27.7 -31.2 72 3.5 -28.2 229 17 295.0 295.1 279.8 296.7 0.54 19 514 5013 -28.7 -30.5 84 1.8 -28.9 230 16 295.7 295.8 280.3 297.6 0.59 20 507 5111 -29.5 -32.0 79 2.5 -29.8 230 16 295.9 296.0 280.3 297.6 0.52 21 500 5210 -30.3 -32.0 85 1.7 -30.5 230 15 296.1 296.2 280.4 297.8 0.52 22 482 5470 -32.3 -33.7 87 1.4 -32.4 221 14 296.8 296.8 280.6 298.3 0.46 23 479 5514 -32.9 -35.1 81 2.2 -33.1 220 14 296.5 296.6 280.4 297.9 0.40 24 464 5738 -34.7 -36.4 84 1.7 -34.8 224 14 297.0 297.1 280.6 298.2 0.37 25 460 5799 -35.1 -35.7 94 0.6 -35.1 225 14 297.2 297.3 280.7 298.6 0.40 26 447 5998 -36.9 -39.3 78 2.4 -37.1 222 18 297.4 297.5 280.6 298.4 0.28 27 446 6014 -37.1 -39.3 80 2.2 -37.2 222 18 297.4 297.4 280.6 298.3 0.28 28 444 6045 -37.3 -40.9 69 3.6 -37.5 221 19 297.5 297.5 280.6 298.3 0.24 29 442 6076 -37.3 -40.8 70 3.5 -37.5 220 19 297.9 297.9 280.8 298.7 0.24 30 434 6202 -38.5 -45.5 48 7.0 -38.9 231 20 297.9 297.9 280.7 298.4 0.15 31 426 6330 -39.5 -46.5 47 7.0 -39.9 246 19 298.2 298.3 280.8 298.7 0.14 32 425 6346 -39.5 -45.5 53 6.0 -39.8 248 19 298.4 298.5 280.9 299.0 0.15 33 424 6362 -39.5 -41.3 83 1.8 -39.6 250 19 298.6 298.7 281.1 299.5 0.24 34 423 6378 -39.5 -40.7 88 1.2 -39.6 252 19 298.8 298.9 281.2 299.7 0.26 35 422 6395 -39.5 -41.8 79 2.3 -39.6 254 19 299.0 299.1 281.3 299.8 0.23 36 421 6411 -39.7 -47.7 42 8.0 -40.1 255 19 299.0 299.0 281.1 299.4 0.12 37 420 6427 -39.9 -48.9 38 9.0 -40.3 255 19 298.9 299.0 281.0 299.3 0.11 38 418 6460 -39.9 -44.9 59 5.0 -40.2 255 19 299.3 299.4 281.3 299.9 0.17 39 416 6493 -39.9 -42.6 75 2.7 -40.1 255 19 299.8 299.8 281.5 300.5 0.22 40 413 6542 -40.1 -44.0 66 3.9 -40.4 255 19 300.1 300.1 281.7 300.8 0.19 41 406 6659 -41.3 -45.5 64 4.2 -41.5 255 18 300.0 300.1 281.6 300.6 0.16 42 403 6709 -41.7 -44.2 77 2.5 -41.8 255 18 300.2 300.2 281.7 300.8 0.19 43 400 6760 -42.1 -50.1 41 8.0 -42.5 255 19 300.3 300.3 281.6 300.6 0.10 44 398 6794 -42.3 -53.3 29 11.0 -42.7 257 20 300.4 300.5 281.6 300.7 0.07 45 396 6828 -42.3 -53.3 29 11.0 -42.7 259 21 300.9 300.9 281.8 301.1 0.07 46 384 7035 -43.1 -50.1 46 7.0 -43.4 270 27 302.5 302.5 282.5 302.9 0.10 47 381 7088 -42.7 -46.5 66 3.8 -42.9 273 29 303.7 303.7 283.1 304.2 0.15 48 380 7106 -42.5 -46.8 63 4.3 -42.7 274 30 304.2 304.2 283.3 304.7 0.15 49 379 7123 -42.7 -47.6 59 4.9 -42.9 275 30 304.1 304.2 283.2 304.6 0.14 50 375 7195 -43.3 -47.4 64 4.1 -43.5 278 32 304.3 304.3 283.3 304.8 0.14 51 372 7249 -43.5 -52.5 36 9.0 -43.8 281 34 304.7 304.7 283.4 305.0 0.08 52 360 7468 -45.1 -59.1 19 14.0 -45.5 278 33 305.4 305.4 283.6 305.6 0.04 53 357 7524 -44.7 -65.7 8 21.0 -45.2 275 31 306.7 306.7 284.1 306.8 0.02 54 356 7543 -44.7 -65.7 8 21.0 -45.2 274 31 307.0 307.0 284.2 307.0 0.02 55 338 7888 -46.7 -65.7 10 19.0 -47.1 270 20 308.8 308.8 284.9 308.9 0.02 56 300 8680 -45.3 -70.3 4 25.0 -45.8 250 18 321.5 321.5 289.2 321.5 0.01 57 250 9900 -44.3 -77.3 1 33.0 -45.0 230 17 340.2 340.2 294.4 340.2 0.00 58 200 11390 -44.3 -79.3 1 35.0 -45.2 225 24 362.6 362.6 299.2 362.6 0.00 59 150 13310 -46.5 -81.5 1 35.0 -47.4 205 19 389.9 389.9 303.8 390.0 0.00 60 100 15970 -49.7 -83.7 1 34.0 -50.7 210 26 431.7 431.7 309.0 431.7 0.00 61 96 16237 -50.3 -84.3 1 34.0 -51.2 210 27 435.6 435.6 309.4 435.6 0.00 62 85 17037 -47.9 -82.9 1 35.0 -49.3 215 20 455.9 455.9 311.4 455.9 0.00 63 75 17859 -50.7 -84.7 1 34.0 -51.8 207 21 466.6 466.6 312.4 466.6 0.00 64 70 18310 -49.5 -84.5 1 35.0 -50.8 205 26 478.5 478.5 313.3 478.5 0.00 65 64 18897 -48.7 -84.7 1 36.0 -50.3 210 16 492.7 492.7 314.4 492.7 0.00 66 60 19319 -50.7 -84.7 1 34.0 -52.1 176 15 497.4 497.4 314.8 497.4 0.01 67 57 19654 -48.9 -83.9 1 35.0 -50.6 192 18 508.8 508.8 315.5 508.8 0.01 68 55 19887 -50.1 -85.1 1 35.0 -51.7 190 18 511.3 511.3 315.7 511.3 0.01 69 50 20510 -49.3 -84.3 1 35.0 -51.1 205 15 527.3 527.3 316.8 527.3 0.01 70 48 20777 -48.5 -84.5 1 36.0 -50.5 176 15 535.4 535.4 317.2 535.4 0.01 71 37 22476 -50.7 -85.7 1 35.0 -52.8 206 14 571.1 571.1 319.2 571.2 0.01 72 35 22835 -52.7 -86.7 1 34.0 -54.5 188 12 575.1 575.1 319.4 575.1 0.01 73 31 23619 -51.9 -85.9 1 34.0 -54.0 201 14 597.5 597.5 320.5 597.6 0.01 74 30 23830 -53.1 -86.1 1 33.0 -55.0 195 13 599.9 599.9 320.6 599.9 0.01 75 28 24275 -54.3 -87.3 1 33.0 -56.1 192 15 608.5 608.5 321.0 608.5 0.01 76 27 24510 -52.1 -87.1 1 35.0 -54.4 198 17 621.0 621.0 321.5 621.1 0.01 77 25 25012 -50.1 -86.1 1 36.0 -53.1 215 12 640.6 640.6 322.3 640.7 0.01 78 23 25556 -52.1 -86.1 1 34.0 -54.7 132 10 650.2 650.2 322.7 650.3 0.01 79 20 26470 -48.9 -84.9 1 36.0 -52.7 100 12 686.5 686.5 324.0 686.6 0.01 80 19 26806 -50.5 -85.5 1 35.0 -53.9 105 11 691.7 691.7 324.1 691.8 0.01 81 17 27535 -48.1 -85.1 1 37.0 -52.7 168 16 721.7 721.7 325.1 721.9 0.02 82 15 28360 -48.7 -85.7 1 37.0 -53.4 212 17 746.0 746.0 325.8 746.2 0.02 83 13 29305 -46.9 -84.9 1 38.0 -52.8 193 16 783.4 783.4 326.8 783.6 0.02 84 12 29833 -48.5 -85.5 1 37.0 -54.0 198 10 795.9 795.9 327.1 796.1 0.02 85 11 30408 -47.1 -85.1 1 38.0 -53.5 165 9 821.0 821.1 327.7 821.3 0.03 86 10 31040 -46.5 -84.5 1 38.0 -53.5 125 8 846.0 846.0 328.3 846.3 0.03 87 9.4 31451 -45.9 -84.9 0 39.0 -53.4 130 10 863.4 863.4 328.7 863.6 0.03 88 8.8 31894 -41.1 -82.1 0 41.0 -51.4 136 11 898.4 898.4 329.4 898.9 0.05 89 8.6 32050 -41.7 -82.7 0 41.0 -51.8 138 12 902.0 902.0 329.5 902.5 0.05 90 7.6 32891 -39.5 -81.5 0 42.0 -51.4 148 15 943.3 943.3 330.2 944.0 0.07 91 7.3 33169 -35.5 -78.5 0 43.0 -50.0 151 16 970.6 970.6 330.7 971.9 0.12 92 7.0 33460 -36.9 -78.9 0 42.0 -50.8 155 17 976.5 976.6 330.8 977.8 0.11 93 6.8 33661 -35.7 -78.7 0 43.0 -50.5 989.6 989.7 331.0 991.0 0.12 TRP 338 7888 -46.7 -65.7 10 19.0 -47.1 270 20 308.8 308.8 284.9 308.9 0.02 WND Sounding variables and indices 1000-500 mb thick: 5261.00 m Freezing level: 957.82 mb = 301.15 m = 988.03 ft Wetbulb zero: 957.89 mb = 300.26 m = 985.08 ft Precipitable water: 0.43 inches Sfc-500 mean rel hum: 92.49 % Est. max temperature: 6.08 C = 42.94 F Sfc-Lift cond lev (LCL): 968.61 mb = 212.23 m = 696.29 ft T: 0.83 C 700-500 lapse rate: 6.64 C/km ThetaE index: 0.88 C Layer 961.0- 925.0 mb Conv cond level (CCL): 941.17 mb = 438.86 m = 1439.81 ft Mean mixing ratio: 3.76 g/kg Conv temperature: 3.16 C = 37.69 F Cap Strength: 7.80 C Lifted Index: 7.88 C Risk: None Lifted Index @300 mb: 24.20 C Lifted Index @700 mb: 3.45 C Showalter Index: 7.94 C Risk: None Total Totals Index: 47.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.00 C Cross Totals Index: 23.80 C K Index: 16.40 Risk: < 20 % chance of thunderstorms Sweat Index: 160.35 Risk: None Energy Index: 2.16 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.18 J/kg Max Up Vert Vel: 4.28 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 7.77 C Lift Cond Lev (LCL): 938.22 mb = 463.62 m = 1521.03 ft Lev Free Conv (LFC): 933.22 mb = 505.65 m = 1658.93 ft Equ Level (EL): 853.22 mb = 1212.21 m = 3977.01 ft B at Equ Level: 9.17 J/kg Max Parcel Lev (MPL): 793.22 mb = 1778.65 m = 5835.38 ft Wind level data Storm motion: 234 at 14 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 ---------------------------------------------------------- 0 993 15 180 10 0.0 10.0 | 100 11 -11.1 2.0 1 957 305 170 24 -4.2 23.6 | 136 22 -15.3 15.6 2 925 575 190 21 3.6 20.7 | 149 15 -7.5 12.7 3 921 610 190 21 3.6 20.7 | 149 15 -7.5 12.7 4 886 914 185 18 1.6 17.9 | 136 14 -9.6 9.9 5 852 1219 190 20 3.5 19.7 | 147 14 -7.7 11.7 6 850 1242 190 20 3.5 19.7 | 147 14 -7.7 11.7 7 788 1829 190 18 3.1 17.7 | 140 13 -8.0 9.7 8 757 2134 195 20 5.2 19.3 | 152 13 -6.0 11.3 9 728 2438 195 20 5.2 19.3 | 152 13 -6.0 11.3 10 700 2740 205 17 7.2 15.4 | 152 8 -4.0 7.4 11 700 2743 205 18 7.6 16.3 | 157 9 -3.5 8.3 12 644 3353 215 19 10.9 15.6 | 178 8 -0.2 7.6 13 618 3658 210 22 11.0 19.1 | 179 11 -0.1 11.0 14 593 3962 205 21 8.9 19.0 | 168 11 -2.3 11.0 15 569 4267 220 17 10.9 13.0 | 178 5 -0.2 5.0 16 523 4877 230 17 13.0 10.9 | 213 3 1.9 2.9 17 500 5210 230 15 11.5 9.6 | 192 2 0.4 1.6 18 480 5486 220 14 9.0 10.7 | 142 3 -2.1 2.7 19 460 5791 225 14 9.9 9.9 | 147 2 -1.2 1.9 20 440 6096 220 20 12.9 15.3 | 193 8 1.7 7.3 21 421 6401 255 19 18.4 4.9 | 293 8 7.2 -3.1 22 403 6706 255 18 17.4 4.7 | 298 7 6.2 -3.3 23 400 6760 255 19 18.4 4.9 | 293 8 7.2 -3.1 24 368 7315 285 36 34.8 -9.3 | 306 29 23.6 -17.3 25 352 7620 270 29 29.0 -0.0 | 294 20 17.9 -8.0 26 338 7888 270 20 20.0 -0.0 | 312 12 8.9 -8.0 27 336 7925 270 18 18.0 -0.0 | 319 11 6.9 -8.0 28 321 8230 260 12 11.8 2.1 | 353 6 0.7 -5.9 29 307 8534 245 21 19.0 8.9 | 264 8 7.9 0.9 30 300 8680 250 18 16.9 6.2 | 288 6 5.8 -1.9 31 293 8839 250 18 16.9 6.2 | 288 6 5.8 -1.9 32 280 9144 245 20 18.1 8.5 | 266 7 7.0 0.4 33 267 9449 255 19 18.4 4.9 | 293 8 7.2 -3.1 34 250 9900 230 17 13.0 10.9 | 213 3 1.9 2.9 35 233 10363 220 23 14.8 17.6 | 201 10 3.6 9.6 36 213 10973 210 18 9.0 15.6 | 164 8 -2.1 7.6 37 200 11390 225 24 17.0 17.0 | 213 11 5.8 9.0 38 194 11582 225 24 17.0 17.0 | 213 11 5.8 9.0 39 169 12497 205 21 8.9 19.0 | 168 11 -2.3 11.0 40 150 13310 205 19 8.0 17.2 | 161 10 -3.1 9.2 41 141 13716 210 22 11.0 19.1 | 179 11 -0.1 11.0 42 128 14326 200 24 8.2 22.6 | 169 15 -2.9 14.5 43 123 14630 215 28 16.1 22.9 | 198 16 4.9 14.9 44 117 14935 220 23 14.8 17.6 | 201 10 3.6 9.6 45 112 15240 210 21 10.5 18.2 | 176 10 -0.6 10.2 46 102 15850 195 23 6.0 22.2 | 160 15 -5.2 14.2 47 100 15970 210 26 13.0 22.5 | 187 15 1.9 14.5 48 97 16154 210 26 13.0 22.5 | 187 15 1.9 14.5 49 93 16459 210 29 14.5 25.1 | 191 17 3.4 17.1 50 85 17069 215 19 10.9 15.6 | 178 8 -0.2 7.6 51 81 17374 185 19 1.7 18.9 | 139 14 -9.5 10.9 52 77 17678 195 22 5.7 21.3 | 158 14 -5.4 13.2 53 74 17983 215 21 12.0 17.2 | 186 9 0.9 9.2 54 70 18288 215 21 12.0 17.2 | 186 9 0.9 9.2 55 70 18310 205 26 11.0 23.6 | 179 16 -0.2 15.6 56 64 18898 210 16 8.0 13.9 | 152 7 -3.1 5.8 57 61 19202 170 14 -2.4 13.8 | 113 15 -13.6 5.8 58 56 19812 200 19 6.5 17.9 | 155 11 -4.6 9.8 59 53 20117 160 16 -5.5 15.0 | 113 18 -16.6 7.0 60 51 20422 200 15 5.1 14.1 | 135 9 -6.0 6.1 61 50 20510 205 15 6.3 13.6 | 139 7 -4.8 5.6 62 48 20726 170 16 -2.8 15.8 | 119 16 -13.9 7.8 63 46 21031 210 11 5.5 9.5 | 105 6 -5.6 1.5 64 44 21336 190 12 2.1 11.8 | 113 10 -9.1 3.8 65 40 21946 190 15 2.6 14.8 | 128 11 -8.5 6.8 66 38 22250 185 13 1.1 13.0 | 116 11 -10.0 4.9 67 37 22555 215 15 8.6 12.3 | 149 5 -2.5 4.3 68 35 22860 185 12 1.0 12.0 | 111 11 -10.1 3.9 69 33 23165 190 13 2.3 12.8 | 118 10 -8.9 4.8 70 32 23470 215 12 6.9 9.8 | 113 5 -4.3 1.8 71 30 23774 185 17 1.5 16.9 | 133 13 -9.7 8.9 72 30 23830 195 13 3.4 12.6 | 120 9 -7.8 4.6 73 29 24079 205 13 5.5 11.8 | 124 7 -5.6 3.8 74 28 24384 185 16 1.4 15.9 | 129 13 -9.7 7.9 75 26 24689 215 19 10.9 15.6 | 178 8 -0.2 7.6 76 25 24994 225 12 8.5 8.5 | 100 3 -2.7 0.5 77 24 25298 100 10 -9.8 1.7 | 73 22 -21.0 -6.3 78 22 25908 175 10 -0.9 10.0 | 99 12 -12.0 2.0 79 20 26470 100 12 -11.8 2.1 | 76 24 -23.0 -5.9 80 19 26822 105 11 -10.6 2.8 | 77 22 -21.8 -5.2 81 18 27127 95 11 -11.0 1.0 | 72 23 -22.1 -7.0 82 17 27432 155 17 -7.2 15.4 | 112 20 -18.3 7.4 83 17 27737 190 15 2.6 14.8 | 128 11 -8.5 6.8 84 16 28042 160 11 -3.8 10.3 | 99 15 -14.9 2.3 85 15 28346 215 17 9.8 13.9 | 167 6 -1.4 5.9 86 14 28651 165 13 -3.4 12.6 | 107 15 -14.5 4.6 87 14 28956 160 19 -6.5 17.9 | 119 20 -17.6 9.8 88 13 29261 195 17 4.4 16.4 | 141 11 -6.7 8.4 89 13 29566 180 13 0.0 13.0 | 114 12 -11.1 5.0 90 12 29870 200 10 3.4 9.4 | 100 8 -7.7 1.4 91 10 31040 125 8 -6.6 4.6 | 79 18 -17.7 -3.4 92 7 33460 155 17 -7.2 15.4 | 112 20 -18.3 7.4 Wind Parameters Mean winds (0-6000m): 204.3 at 18.3 knts Storm direction: 234.3 at 13.7 knts Shear (0-3000m) pos: 1.9 neg: 0.0 tot: 1.9 10-3/s Storm rel Dir Shear (0-3000m): 65.5 deg Storm rel helicity (0-3000m) pos: 79.1 neg: -17.3 tot: 61.8 m^2/s^2 ave: 20.6 10^-3 m/s^2 rel: 0.41 Storm rel vorticity (0-3000m) horiz: 6.7 stream: 2.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.76 Bulk Shear: 12.12 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 ------------------------------------------------------------------------------- 500 175 19 132 17| 12.1 0.0 12.1| 52.9 0.0 52.9 105.8 0.61| 21.1 12.9 1000 181 20 137 16| 4.5 0.0 4.5| 59.2 -12.2 46.9 46.9 0.41| 13.6 5.6 1500 184 20 140 15| 3.2 0.0 3.2| 65.5 -14.5 51.0 34.0 0.41| 10.0 4.1 2000 186 19 140 14| 2.5 0.0 2.5| 70.6 -17.1 53.5 26.8 0.40| 8.1 3.3 2500 188 19 143 14| 2.1 0.0 2.1| 74.3 -17.1 57.3 22.9 0.41| 7.0 2.9 3000 190 19 145 13| 1.9 0.0 1.9| 79.1 -17.3 61.8 20.6 0.41| 6.7 2.7 4000 196 19 151 12| 1.7 0.2 1.9| 83.2 -22.6 60.6 15.2 0.34| 6.0 2.1 5000 201 19 156 11| 1.4 0.2 1.6| 88.0 -22.7 65.2 13.0 0.35| 5.7 2.0 6000 204 18 157 9| 1.5 0.4 1.9| 90.5 -24.3 66.2 11.0 0.30| 5.5 1.7 Wrote GIF file: /home/apache/climate/data/raob//PAKN/skewt/PAKN.skewt.20250418.00.gif