UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101700.upa.cvt Date: 0000Z 17 OCT 25 Searching for PAKN... Searching the city database file for: PAKN ... Date:0000Z 17 OCT 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 -73 SFC 990 15 10.8 3.8 62 7.0 7.3 305 7 284.8 285.6 280.9 299.0 5.07 2 925 571 4.8 2.6 86 2.2 3.8 280 29 284.2 285.1 280.6 298.2 4.99 3 919 624 4.4 2.7 89 1.7 3.6 280 30 284.3 285.2 280.7 298.5 5.06 4 912 686 4.2 -0.4 72 4.6 2.1 279 31 284.8 285.5 279.7 296.3 4.07 5 899 803 3.6 -1.4 70 5.0 1.4 277 32 285.3 286.0 279.7 296.2 3.84 6 850 1255 0.0 -3.1 80 3.1 -1.3 280 31 286.1 286.8 279.7 296.4 3.58 7 843 1321 -0.7 -3.8 79 3.1 -2.0 281 28 286.1 286.7 279.5 295.9 3.42 8 833 1416 -0.9 -6.9 64 6.0 -3.1 283 25 286.9 287.3 279.0 294.8 2.73 9 826 1484 -1.5 -6.2 70 4.7 -3.3 284 22 286.9 287.4 279.3 295.3 2.91 10 824 1503 -1.3 -8.3 59 7.0 -3.8 285 21 287.3 287.8 278.9 294.6 2.48 11 818 1561 -1.5 -9.5 54 8.0 -4.3 286 20 287.7 288.1 278.8 294.4 2.27 12 810 1639 -1.7 -8.7 59 7.0 -4.3 287 20 288.3 288.7 279.3 295.5 2.44 13 733 2424 -8.9 -10.4 89 1.5 -9.4 280 23 288.8 289.2 279.4 295.8 2.36 14 721 2551 -9.7 -11.6 86 1.9 -10.3 282 24 289.3 289.7 279.4 295.8 2.18 15 700 2779 -11.3 -12.3 92 1.0 -11.6 285 26 290.0 290.3 279.7 296.3 2.12 16 691 2878 -12.1 -12.6 96 0.5 -12.2 283 28 290.2 290.5 279.7 296.4 2.10 17 681 2990 -12.5 -13.6 91 1.1 -12.8 281 30 290.9 291.3 279.9 296.8 1.96 18 674 3069 -12.5 -14.5 85 2.0 -13.1 280 31 291.8 292.1 280.1 297.4 1.84 19 651 3334 -13.9 -16.6 80 2.7 -14.6 282 26 293.1 293.4 280.4 298.0 1.60 20 631 3570 -15.5 -17.7 83 2.2 -16.0 284 21 293.9 294.2 280.7 298.6 1.51 21 601 3937 -17.3 -20.8 74 3.5 -18.1 279 23 296.0 296.2 281.2 299.8 1.21 22 525 4937 -25.1 -26.7 86 1.6 -25.4 282 31 298.2 298.4 281.7 300.9 0.82 23 513 5105 -26.3 -28.1 85 1.8 -26.6 287 34 298.8 298.9 281.8 301.2 0.74 24 500 5290 -27.3 -29.1 85 1.8 -27.6 295 34 299.8 299.9 282.2 302.0 0.69 25 474 5672 -30.1 -31.7 86 1.6 -30.3 294 31 300.9 301.0 282.5 302.8 0.57 26 463 5838 -31.1 -33.6 79 2.5 -31.4 289 29 301.7 301.8 282.7 303.3 0.48 27 444 6133 -33.3 -34.4 90 1.1 -33.4 280 26 302.5 302.6 283.0 304.1 0.47 28 431 6342 -33.7 -37.7 67 4.0 -34.1 282 23 304.6 304.7 283.7 305.8 0.35 29 429 6374 -33.9 -38.1 66 4.2 -34.3 282 22 304.8 304.8 283.8 305.9 0.33 30 426 6423 -34.3 -38.0 69 3.7 -34.7 283 21 304.9 304.9 283.8 306.0 0.34 31 418 6555 -35.3 -38.5 72 3.2 -35.6 284 19 305.2 305.3 284.0 306.4 0.33 32 407 6740 -36.7 -42.7 54 6.0 -37.1 279 15 305.8 305.8 284.0 306.5 0.22 33 405 6774 -37.1 -42.1 60 5.0 -37.5 272 14 305.7 305.7 284.0 306.5 0.23 34 400 6860 -37.9 -43.9 53 6.0 -38.3 255 12 305.7 305.8 284.0 306.4 0.19 35 392 6999 -38.9 -43.9 59 5.0 -39.2 255 12 306.2 306.2 284.1 306.9 0.20 36 386 7105 -39.7 -46.7 47 7.0 -40.1 259 12 306.5 306.5 284.2 307.0 0.15 37 361 7559 -43.7 -47.8 64 4.1 -43.9 285 9 307.1 307.1 284.4 307.6 0.14 38 352 7728 -44.5 -58.5 20 14.0 -44.9 281 10 308.2 308.2 284.7 308.4 0.04 39 330 8157 -48.1 -57.1 35 9.0 -48.3 264 17 309.0 309.0 285.0 309.2 0.05 40 321 8339 -49.1 -61.1 23 12.0 -49.4 267 18 310.1 310.1 285.4 310.2 0.03 41 319 8380 -48.9 -62.9 18 14.0 -49.2 268 18 310.9 310.9 285.7 311.0 0.03 42 302 8737 -51.9 -61.9 29 10.0 -52.1 274 20 311.6 311.6 285.9 311.7 0.03 43 300 8780 -51.9 -62.9 26 11.0 -52.1 275 20 312.2 312.2 286.1 312.3 0.03 44 291 8977 -52.3 -66.3 17 14.0 -52.5 275 21 314.4 314.4 286.9 314.4 0.02 45 288 9044 -52.3 -67.3 15 15.0 -52.5 275 21 315.3 315.3 287.2 315.4 0.02 46 277 9295 -53.3 -67.3 17 14.0 -53.5 270 23 317.4 317.4 287.9 317.4 0.02 47 269 9484 -50.9 -70.9 8 20.0 -51.2 262 24 323.5 323.5 289.9 323.6 0.01 48 258 9755 -51.9 -70.9 8 19.0 -52.2 250 26 326.0 326.0 290.6 326.0 0.01 49 250 9960 -49.7 -73.7 4 24.0 -50.1 260 24 332.2 332.2 292.3 332.2 0.01 50 248 10012 -49.3 -75.3 3 26.0 -49.7 265 25 333.5 333.5 292.7 333.6 0.01 51 241 10199 -50.1 -77.1 3 27.0 -50.5 261 27 335.1 335.1 293.1 335.1 0.00 52 226 10618 -49.9 -77.9 2 28.0 -50.3 256 30 341.6 341.6 294.7 341.6 0.00 53 217 10884 -48.1 -78.1 2 30.0 -48.7 263 31 348.4 348.4 296.3 348.4 0.00 54 200 11420 -48.1 -79.1 2 31.0 -48.7 250 36 356.6 356.6 298.0 356.6 0.00 55 189 11792 -48.9 -79.9 2 31.0 -49.5 250 36 361.1 361.1 298.9 361.1 0.00 56 150 13320 -46.3 -80.3 1 34.0 -47.3 240 49 390.3 390.3 303.8 390.3 0.00 57 140 13777 -47.5 -80.5 1 33.0 -48.4 247 49 396.0 396.0 304.6 396.0 0.00 58 131 14216 -46.3 -80.3 1 34.0 -47.4 253 50 405.7 405.7 306.0 405.7 0.00 59 100 15990 -50.9 -81.9 1 31.0 -51.7 240 46 429.4 429.4 308.8 429.4 0.00 60 93 16460 -52.1 -83.1 1 31.0 -52.9 242 42 436.0 436.0 309.5 436.0 0.00 61 81 17355 -51.3 -83.3 1 32.0 -52.3 217 38 455.2 455.2 311.3 455.3 0.00 62 70 18300 -52.5 -83.5 1 31.0 -53.5 250 29 472.1 472.1 312.8 472.1 0.01 63 62 19081 -54.3 -85.3 1 31.0 -55.2 246 29 484.8 484.8 313.8 484.8 0.00 64 59 19399 -53.9 -84.9 1 31.0 -54.9 237 33 492.6 492.6 314.4 492.6 0.00 65 58 19509 -51.9 -83.9 1 32.0 -53.1 230 32 499.5 499.5 314.9 499.5 0.01 66 56 19737 -50.5 -83.5 1 33.0 -52.0 241 27 507.7 507.7 315.5 507.8 0.01 67 50 20470 -53.7 -84.7 1 31.0 -54.9 205 26 516.9 516.9 316.1 517.0 0.01 68 48 20732 -54.7 -84.7 1 30.0 -55.8 211 27 520.6 520.6 316.4 520.7 0.01 69 44 21293 -51.7 -83.7 1 32.0 -53.3 253 21 541.1 541.1 317.6 541.1 0.01 70 40 21908 -54.1 -85.1 1 31.0 -55.5 215 17 550.0 550.0 318.1 550.0 0.01 71 37 22411 -52.3 -84.3 1 32.0 -54.1 244 22 567.0 567.0 319.0 567.1 0.01 72 33 23148 -54.3 -85.3 1 31.0 -55.9 217 10 580.6 580.6 319.7 580.6 0.01 73 30 23760 -53.7 -84.7 1 31.0 -55.5 250 29 598.2 598.2 320.5 598.3 0.01 74 26 24677 -54.9 -85.9 1 31.0 -56.7 284 14 619.8 619.8 321.5 619.9 0.01 75 23 25463 -53.7 -84.7 1 31.0 -55.9 288 14 645.5 645.5 322.5 645.6 0.01 76 22 25748 -54.7 -85.7 1 31.0 -56.8 273 15 650.8 650.8 322.7 650.8 0.01 77 20 26360 -53.3 -85.3 1 32.0 -55.9 340 10 673.0 673.0 323.5 673.1 0.01 78 15 28212 -54.5 -85.5 1 31.0 -57.4 185 6 726.8 726.8 325.3 726.9 0.02 79 14 28656 -52.7 -84.7 1 32.0 -56.2 240 10 747.3 747.3 325.8 747.5 0.02 80 13 29135 -53.3 -85.3 1 32.0 -56.9 257 10 761.3 761.3 326.3 761.4 0.02 81 12 29654 -50.7 -83.7 1 33.0 -55.4 277 11 788.1 788.1 327.0 788.4 0.03 82 10 30840 -52.1 -84.1 1 32.0 -56.8 260 7 825.1 825.1 327.8 825.4 0.03 83 7.3 32870 -53.5 -85.5 1 32.0 -58.6 273 22 897.1 897.1 329.4 897.4 0.04 84 7.0 33140 -52.5 -85.5 1 33.0 -58.2 275 24 912.0 912.0 329.7 912.4 0.04 85 6.5 33620 -51.7 -84.7 1 33.0 -57.9 934.9 935.0 330.1 935.4 0.05 86 6.1 34031 -52.5 -84.5 1 32.0 -58.6 948.6 948.7 330.3 949.2 0.05 TRP 277 9295 -53.3 -67.3 17 14.0 -53.5 270 23 317.4 317.4 287.9 317.4 0.02 WND Sounding variables and indices 1000-500 mb thick: 5363.00 m Freezing level: 850.00 mb = 1255.00 m = 4117.40 ft Wetbulb zero: 873.08 mb = 1038.96 m = 3408.61 ft Precipitable water: 0.52 inches Sfc-500 mean rel hum: 78.76 % Est. max temperature: 12.35 C = 54.22 F Sfc-Lift cond lev (LCL): 890.14 mb = 882.85 m = 2896.45 ft T: 2.96 C 700-500 lapse rate: 6.37 C/km ThetaE index: 2.29 C Layer 912.0- 850.0 mb Conv cond level (CCL): 861.77 mb = 1144.07 m = 3753.45 ft Mean mixing ratio: 4.74 g/kg Conv temperature: 11.97 C = 53.55 F Cap Strength: 2.51 C Lifted Index: 3.09 C Risk: None Lifted Index @300 mb: 10.19 C Lifted Index @700 mb: -0.71 C Showalter Index: 4.20 C Risk: None Total Totals Index: 51.50 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.30 C Cross Totals Index: 24.20 C K Index: 23.20 Risk: 20-40 % chance of thunderstorms Sweat Index: 146.00 Risk: None Energy Index: 1.13 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 22.54 J/kg Max Up Vert Vel: 6.71 m/s Conv Inhibition (B-): 32.01 J/kg Cap Strength: 2.70 C Lift Cond Lev (LCL): 878.63 mb = 987.83 m = 3240.86 ft Lev Free Conv (LFC): 753.63 mb = 2205.85 m = 7236.96 ft Equ Level (EL): 673.63 mb = 3073.12 m = 10082.30 ft B at Equ Level: 22.14 J/kg Max Parcel Lev (MPL): 613.63 mb = 3780.71 m = 12403.74 ft Wind level data Storm motion: 313 at 20 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 ---------------------------------------------------------- 0 990 15 305 7 5.7 -4.0 | 137 13 -9.0 9.5 1 956 305 275 25 24.9 -2.2 | 222 15 10.2 11.4 2 925 571 280 29 28.6 -5.0 | 238 16 13.8 8.5 3 921 610 280 30 29.5 -5.2 | 241 17 14.8 8.3 4 887 914 275 33 32.9 -2.9 | 240 21 18.1 10.7 5 854 1219 280 31 30.5 -5.4 | 243 18 15.8 8.2 6 850 1255 280 31 30.5 -5.4 | 243 18 15.8 8.2 7 821 1524 285 20 19.3 -5.2 | 209 10 4.6 8.4 8 790 1829 290 21 19.7 -7.2 | 218 8 5.0 6.4 9 760 2134 285 22 21.3 -5.7 | 220 10 6.5 7.8 10 731 2438 280 23 22.7 -4.0 | 220 12 7.9 9.5 11 703 2743 285 25 24.1 -6.5 | 233 12 9.4 7.1 12 700 2779 285 26 25.1 -6.7 | 237 12 10.4 6.8 13 675 3048 280 31 30.5 -5.4 | 243 18 15.8 8.2 14 622 3658 285 19 18.4 -4.9 | 203 9 3.6 8.6 15 573 4267 270 29 29.0 -0.0 | 227 20 14.3 13.5 16 528 4877 280 30 29.5 -5.2 | 241 17 14.8 8.3 17 507 5182 290 35 32.9 -12.0 | 265 18 18.2 1.6 18 500 5290 295 34 30.8 -14.4 | 273 16 16.1 -0.8 19 486 5486 300 32 27.7 -16.0 | 281 13 13.0 -2.5 20 446 6096 280 27 26.6 -4.7 | 233 15 11.9 8.8 21 409 6706 285 16 15.5 -4.1 | 184 9 0.7 9.4 22 400 6860 255 12 11.6 3.1 | 169 17 -3.1 16.6 23 391 7010 255 12 11.6 3.1 | 169 17 -3.1 16.6 24 374 7315 270 12 12.0 -0.0 | 169 14 -2.7 13.5 25 357 7620 290 8 7.5 -2.7 | 146 13 -7.2 10.8 26 341 7925 260 16 15.8 2.8 | 184 16 1.0 16.3 27 300 8780 275 20 19.9 -1.7 | 204 13 5.2 11.8 28 284 9144 275 22 21.9 -1.9 | 212 14 7.2 11.6 29 277 9295 270 23 23.0 -0.0 | 211 16 8.3 13.5 30 258 9754 250 26 24.4 8.9 | 203 24 9.7 22.4 31 250 9960 260 24 23.6 4.2 | 207 20 8.9 17.7 32 246 10058 270 25 25.0 -0.0 | 217 17 10.3 13.5 33 235 10363 250 29 27.3 9.9 | 208 27 12.5 23.5 34 214 10973 265 31 30.9 2.7 | 225 23 16.1 16.2 35 204 11278 255 38 36.7 9.8 | 223 32 22.0 23.4 36 200 11420 250 36 33.8 12.3 | 216 32 19.1 25.8 37 186 11887 250 36 33.8 12.3 | 216 32 19.1 25.8 38 162 12802 245 57 51.7 24.1 | 224 53 36.9 37.6 39 150 13320 240 49 42.4 24.5 | 216 47 27.7 38.0 40 129 14326 255 50 48.3 12.9 | 232 43 33.6 26.5 41 117 14935 235 42 34.4 24.1 | 208 42 19.7 37.6 42 112 15240 245 43 39.0 18.2 | 217 40 24.2 31.7 43 107 15545 260 39 38.4 6.8 | 229 31 23.7 20.3 44 102 15850 240 37 32.0 18.5 | 208 36 17.3 32.0 45 100 15990 240 46 39.8 23.0 | 214 44 25.1 36.5 46 97 16154 240 46 39.8 23.0 | 214 44 25.1 36.5 47 85 17069 245 34 30.8 14.4 | 210 32 16.1 27.9 48 81 17374 215 38 21.8 31.1 | 189 45 7.1 44.7 49 74 17983 245 48 43.5 20.3 | 220 44 28.8 33.8 50 70 18288 250 42 39.5 14.4 | 222 37 24.7 27.9 51 70 18300 250 29 27.3 9.9 | 208 27 12.5 23.5 52 64 18898 240 21 18.2 10.5 | 188 24 3.5 24.0 53 61 19202 250 34 31.9 11.6 | 214 30 17.2 25.2 54 58 19507 230 32 24.5 20.6 | 196 35 9.8 34.1 55 53 20117 260 20 19.7 3.5 | 196 18 5.0 17.0 56 50 20422 205 14 5.9 12.7 | 161 28 -8.8 26.2 57 50 20470 205 26 11.0 23.6 | 174 37 -3.7 37.1 58 48 20726 210 27 13.5 23.4 | 178 37 -1.2 36.9 59 46 21031 240 28 24.2 14.0 | 199 29 9.5 27.5 60 44 21336 255 20 19.3 5.2 | 194 19 4.6 18.7 61 42 21641 250 12 11.3 4.1 | 169 18 -3.5 17.6 62 40 21946 210 18 9.0 15.6 | 169 30 -5.7 29.1 63 36 22555 255 23 22.2 6.0 | 201 21 7.5 19.5 64 34 22860 240 15 13.0 7.5 | 175 21 -1.7 21.0 65 33 23165 215 10 5.7 8.2 | 158 24 -9.0 21.7 66 31 23470 240 17 14.7 8.5 | 180 22 -0.0 22.0 67 30 23760 250 29 27.3 9.9 | 208 27 12.5 23.5 68 30 23774 220 17 10.9 13.0 | 172 27 -3.8 26.6 69 27 24384 270 29 29.0 -0.0 | 227 20 14.3 13.5 70 26 24689 285 13 12.6 -3.4 | 168 10 -2.2 10.2 71 25 24994 240 14 12.1 7.0 | 173 21 -2.6 20.5 72 24 25298 280 12 11.8 -2.1 | 166 12 -2.9 11.5 73 23 25603 295 15 13.6 -6.3 | 171 7 -1.1 7.2 74 21 25908 250 16 15.0 5.5 | 181 19 0.3 19.0 75 20 26213 250 18 16.9 6.2 | 186 20 2.2 19.7 76 20 26360 340 10 3.4 -9.4 | 110 12 -11.3 4.1 77 19 26822 335 10 4.2 -9.1 | 113 11 -10.5 4.5 78 17 27432 260 8 7.9 1.4 | 155 16 -6.9 14.9 79 15 28042 115 1 -0.9 0.4 | 132 21 -15.6 14.0 80 15 28346 235 10 8.2 5.7 | 161 20 -6.5 19.3 81 13 28956 245 10 9.1 4.2 | 162 19 -5.7 17.8 82 12 29566 285 10 9.7 -2.6 | 155 12 -5.1 10.9 83 12 29870 260 13 12.8 2.3 | 173 16 -1.9 15.8 84 11 30175 285 15 14.5 -3.9 | 179 10 -0.2 9.7 85 10 30840 260 7 6.9 1.2 | 152 17 -7.8 14.8 86 7 33140 275 24 23.9 -2.1 | 219 15 9.2 11.4 Wind Parameters Mean winds (0-6000m): 282.6 at 26.7 knts Storm direction: 312.6 at 20.0 knts Shear (0-3000m) pos: 2.0 neg: 6.1 tot: 8.1 10-3/s Storm rel Dir Shear (0-3000m): 105.7 deg Storm rel helicity (0-3000m) pos: 85.5 neg: -25.2 tot: 60.3 m^2/s^2 ave: 20.1 10^-3 m/s^2 rel: 0.35 Storm rel vorticity (0-3000m) horiz: 10.1 stream: 3.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 4.16 Bulk Shear: 5.42 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 ------------------------------------------------------------------------------- 500 279 20 208 12| 0.0 22.7 22.7| 52.9 0.0 52.9 105.9 0.79| 24.5 19.3 1000 278 26 228 15| 0.0 13.6 13.6| 62.1 -1.9 60.2 60.2 0.66| 15.9 10.5 1500 279 27 231 15| 4.3 9.0 13.3| 65.4 -25.2 40.2 26.8 0.32| 15.1 4.8 2000 281 25 229 13| 3.0 6.8 9.8| 68.4 -25.2 43.2 21.6 0.33| 12.2 4.0 2500 281 25 227 13| 2.4 5.9 8.3| 70.8 -25.2 45.6 18.2 0.32| 10.5 3.3 3000 281 25 229 13| 2.0 6.1 8.1| 85.5 -25.2 60.3 20.1 0.35| 10.1 3.5 4000 281 25 228 13| 2.6 5.1 7.7| 95.3 -49.7 45.6 11.4 0.21| 9.7 2.1 5000 280 26 229 14| 2.1 4.5 6.6|137.2 -49.7 87.4 17.5 0.28| 9.1 2.6 6000 283 27 236 14| 2.3 3.9 6.1|172.3 -82.9 89.4 14.9 0.22| 9.3 2.0 Wrote GIF file: /home/apache/climate/data/raob//PAKN/skewt/PAKN.skewt.20251017.00.gif