UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025043000.upa.cvt Date: 0000Z 30 APR 25 Searching for PAKN... Searching the city database file for: PAKN ... Date:0000Z 30 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 -50 140 10 SFC 993 15 7.2 2.3 71 4.9 4.9 140 10 280.9 281.7 278.4 293.5 4.54 2 981 114 6.4 0.4 65 6.0 3.7 138 13 281.1 281.8 277.8 292.3 4.01 3 925 586 1.4 -0.8 85 2.2 0.5 130 15 280.7 281.4 277.4 291.6 3.90 4 911 709 0.2 -1.0 92 1.2 -0.3 130 18 280.7 281.4 277.4 291.6 3.90 5 901 797 -0.5 -1.3 94 0.8 -0.9 134 21 280.9 281.6 277.5 291.7 3.86 6 881 977 -1.7 -2.4 95 0.7 -2.0 142 26 281.5 282.1 277.5 291.7 3.63 7 857 1196 -3.3 -3.4 99 0.1 -3.3 149 31 282.0 282.6 277.6 291.8 3.47 8 850 1261 -3.5 -3.8 98 0.3 -3.6 150 32 282.5 283.1 277.7 292.1 3.39 9 745 2293 -9.1 -10.0 93 0.9 -9.4 155 23 287.2 287.7 278.7 294.3 2.40 10 700 2773 -12.1 -13.2 91 1.1 -12.4 155 21 289.1 289.4 279.1 295.0 1.97 11 654 3290 -15.7 -16.7 92 1.0 -16.0 155 23 290.7 291.0 279.3 295.5 1.58 12 543 4667 -25.9 -29.4 72 3.5 -26.4 156 25 294.4 294.5 279.7 296.4 0.62 13 518 5007 -28.9 -31.6 77 2.7 -29.2 164 23 294.8 294.9 279.8 296.5 0.52 14 500 5260 -29.7 -32.9 74 3.2 -30.1 170 20 296.8 296.9 280.6 298.4 0.48 15 486 5461 -31.1 -34.1 75 3.0 -31.4 157 23 297.5 297.6 280.9 299.0 0.44 16 472 5667 -31.7 -35.1 72 3.4 -32.1 154 23 299.3 299.4 281.6 300.7 0.41 17 400 6810 -40.7 -43.9 71 3.2 -40.9 120 18 302.1 302.1 282.5 302.8 0.19 18 388 7017 -42.3 -45.6 70 3.3 -42.5 110 17 302.6 302.7 282.7 303.2 0.17 19 383 7105 -42.9 -47.7 59 4.8 -43.1 111 17 303.0 303.0 282.8 303.5 0.13 20 364 7446 -45.7 -48.2 76 2.5 -45.8 117 19 303.7 303.7 283.1 304.2 0.13 21 358 7557 -46.5 -51.5 57 5.0 -46.7 119 20 304.1 304.1 283.1 304.4 0.09 22 352 7669 -47.1 -49.7 75 2.6 -47.2 121 20 304.7 304.7 283.4 305.1 0.12 23 345 7802 -48.1 -51.9 65 3.8 -48.2 124 21 305.1 305.1 283.6 305.5 0.09 24 343 7841 -48.7 -52.0 68 3.3 -48.8 125 21 304.8 304.8 283.4 305.1 0.09 25 342 7860 -48.7 -52.5 65 3.8 -48.8 125 21 305.1 305.1 283.5 305.4 0.09 26 340 7899 -48.1 -53.1 56 5.0 -48.3 125 21 306.4 306.4 284.1 306.7 0.08 27 337 7957 -47.7 -58.7 27 11.0 -48.0 126 21 307.7 307.7 284.5 307.9 0.04 28 335 7996 -47.7 -57.7 31 10.0 -48.0 127 22 308.2 308.2 284.7 308.4 0.05 29 325 8197 -47.3 -66.3 10 19.0 -47.7 134 25 311.5 311.5 285.9 311.5 0.02 30 308 8554 -45.5 -67.5 7 22.0 -46.0 168 17 318.8 318.8 288.3 318.9 0.01 31 300 8730 -45.9 -67.9 7 22.0 -46.4 185 13 320.7 320.7 288.9 320.7 0.01 32 291 8933 -46.3 -69.3 6 23.0 -46.8 182 13 322.9 322.9 289.6 322.9 0.01 33 255 9817 -43.1 -75.1 2 32.0 -43.9 200 26 340.1 340.1 294.3 340.1 0.01 34 250 9950 -43.5 -75.5 2 32.0 -44.3 190 24 341.4 341.4 294.7 341.4 0.01 35 248 10004 -43.7 -76.7 1 33.0 -44.5 190 24 341.9 341.9 294.8 341.9 0.00 36 238 10280 -41.3 -76.3 1 35.0 -42.3 197 23 349.5 349.5 296.5 349.6 0.01 37 200 11450 -43.7 -78.7 1 35.0 -44.6 190 29 363.6 363.6 299.4 363.6 0.00 38 199 11484 -43.9 -78.9 1 35.0 -44.8 190 29 363.8 363.8 299.4 363.8 0.00 39 182 12086 -43.9 -78.9 1 35.0 -44.9 192 25 373.2 373.2 301.1 373.2 0.00 40 177 12275 -42.3 -78.3 1 36.0 -43.5 192 22 378.8 378.8 302.1 378.8 0.00 41 158 13041 -45.1 -80.1 1 35.0 -46.1 213 21 386.6 386.6 303.3 386.6 0.00 42 150 13390 -44.9 -79.9 1 35.0 -46.0 190 16 392.7 392.7 304.2 392.7 0.00 43 148 13480 -44.3 -80.3 1 36.0 -45.4 200 17 395.2 395.2 304.5 395.3 0.00 44 124 14655 -48.3 -82.3 1 34.0 -49.2 209 26 408.5 408.5 306.3 408.5 0.00 45 112 15326 -47.7 -81.7 1 34.0 -48.8 219 22 421.7 421.7 307.9 421.7 0.00 46 100 16070 -50.3 -83.3 1 33.0 -51.2 190 21 430.5 430.5 308.9 430.6 0.00 47 93 16541 -51.1 -83.1 1 32.0 -52.0 205 18 438.0 438.0 309.7 438.0 0.00 48 91 16682 -49.9 -83.9 1 34.0 -50.9 230 14 443.1 443.1 310.2 443.1 0.00 49 82 17356 -52.9 -84.9 1 32.0 -53.7 168 16 450.4 450.4 310.9 450.4 0.00 50 71 18288 -50.5 -83.5 1 33.0 -51.7 170 13 474.4 474.4 313.0 474.4 0.01 51 70 18380 -51.1 -84.1 1 33.0 -52.2 190 17 475.1 475.1 313.1 475.1 0.00 52 50 20570 -50.1 -84.1 1 34.0 -51.8 270 7 525.4 525.4 316.6 525.4 0.01 53 49 20702 -49.7 -83.7 1 34.0 -51.5 242 6 529.4 529.4 316.9 529.4 0.01 54 45 21258 -51.7 -84.7 1 33.0 -53.3 122 3 537.6 537.6 317.4 537.6 0.01 55 30 23900 -49.9 -83.9 1 34.0 -52.5 210 10 608.6 608.6 321.0 608.7 0.01 56 27 24589 -49.3 -83.3 1 34.0 -52.2 145 3 628.9 628.9 321.9 629.0 0.01 57 26 24835 -50.3 -84.3 1 34.0 -53.1 113 2 632.9 632.9 322.0 633.0 0.01 58 22 25931 -47.5 -83.5 1 36.0 -51.5 172 6 672.2 672.2 323.5 672.3 0.02 59 20 26560 -47.7 -83.7 1 36.0 -51.9 205 8 690.2 690.2 324.1 690.3 0.02 60 15 28464 -46.5 -82.5 1 36.0 -52.0 60 3 753.3 753.4 326.0 753.6 0.03 61 14 28921 -47.1 -83.1 1 36.0 -52.6 25 1 766.3 766.3 326.4 766.6 0.03 62 13 29413 -45.3 -82.3 1 37.0 -51.8 13 3 789.0 789.0 327.0 789.3 0.04 63 13 29413 -45.5 -82.5 1 37.0 -52.0 13 3 788.3 788.3 327.0 788.6 0.03 64 11 30530 -44.1 -82.1 1 38.0 -51.8 47 14 831.9 832.0 328.0 832.3 0.04 65 10 31170 -43.5 -81.5 1 38.0 -52.0 15 15 857.2 857.2 328.5 857.7 0.05 66 9.7 31375 -43.3 -81.3 1 38.0 -52.0 865.4 865.5 328.7 866.0 0.06 67 9.2 31730 -44.5 -81.5 1 37.0 -52.8 874.0 874.1 328.9 874.6 0.06 68 8.6 32183 -43.1 -81.1 1 38.0 -52.4 896.5 896.5 329.4 897.2 0.06 69 8.2 32506 -40.3 -81.3 0 41.0 -51.4 919.9 919.9 329.8 920.6 0.07 70 7.1 33494 -37.9 -79.9 0 42.0 -51.1 968.4 968.5 330.7 969.5 0.10 TRP 342 7860 -48.7 -52.5 65 3.8 -48.8 125 21 305.1 305.1 283.5 305.4 0.09 WND Sounding variables and indices 1000-500 mb thick: 5310.00 m Freezing level: 908.14 mb = 733.98 m = 2408.05 ft Wetbulb zero: 916.87 mb = 657.01 m = 2155.50 ft Precipitable water: 0.49 inches Sfc-500 mean rel hum: 86.45 % Est. max temperature: 9.06 C = 48.31 F Sfc-Lift cond lev (LCL): 921.18 mb = 619.31 m = 2031.82 ft T: 1.07 C 700-500 lapse rate: 7.08 C/km ThetaE index: 1.92 C Layer 981.0- 901.0 mb Conv cond level (CCL): 891.00 mb = 886.36 m = 2907.96 ft Mean mixing ratio: 3.96 g/kg Conv temperature: 7.47 C = 45.44 F Cap Strength: 3.70 C Lifted Index: 5.08 C Risk: None Lifted Index @300 mb: 20.41 C Lifted Index @700 mb: 2.24 C Showalter Index: 4.97 C Risk: None Total Totals Index: 52.10 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.20 C Cross Totals Index: 25.90 C K Index: 21.30 Risk: 20-40 % chance of thunderstorms Sweat Index: 146.00 Risk: None Energy Index: 1.30 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 0.93 J/kg Max Up Vert Vel: 1.36 m/s Conv Inhibition (B-): 65978.24 J/kg Cap Strength: 4.71 C Lift Cond Lev (LCL): 894.77 mb = 852.62 m = 2797.27 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 182 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 ---------------------------------------------------------- 0 993 15 140 10 -6.4 7.7 | 36 12 -7.2 -9.9 1 958 305 135 18 -12.7 12.7 | 70 14 -13.5 -4.9 2 925 586 130 15 -11.5 9.6 | 57 15 -12.2 -8.0 3 922 610 125 15 -12.3 8.6 | 55 16 -13.0 -9.0 4 888 914 140 25 -16.1 19.2 | 95 17 -16.8 1.5 5 854 1219 150 32 -16.0 27.7 | 121 20 -16.7 10.1 6 850 1261 150 32 -16.0 27.7 | 121 20 -16.7 10.1 7 790 1829 155 29 -12.3 26.3 | 124 16 -13.0 8.7 8 760 2134 155 25 -10.6 22.7 | 114 12 -11.3 5.0 9 731 2438 155 22 -9.3 19.9 | 103 10 -10.0 2.3 10 703 2743 155 21 -8.9 19.0 | 98 10 -9.6 1.4 11 700 2773 155 21 -8.9 19.0 | 98 10 -9.6 1.4 12 621 3658 155 24 -10.1 21.8 | 111 12 -10.9 4.1 13 572 4267 150 26 -13.0 22.5 | 110 15 -13.7 4.9 14 527 4877 160 24 -8.2 22.6 | 119 10 -9.0 4.9 15 505 5182 170 21 -3.6 20.7 | 125 5 -4.4 3.1 16 500 5260 170 20 -3.5 19.7 | 116 5 -4.2 2.1 17 484 5486 155 23 -9.7 20.8 | 107 11 -10.5 3.2 18 443 6096 150 23 -11.5 19.9 | 101 12 -12.2 2.3 19 424 6401 150 20 -10.0 17.3 | 88 11 -10.7 -0.3 20 400 6810 120 18 -15.6 9.0 | 62 18 -16.3 -8.6 21 388 7010 110 17 -16.0 5.8 | 55 20 -16.7 -11.8 22 354 7620 120 20 -17.3 10.0 | 67 20 -18.1 -7.6 23 342 7860 125 21 -17.2 12.0 | 73 19 -18.0 -5.6 24 339 7925 125 21 -17.2 12.0 | 73 19 -18.0 -5.6 25 323 8230 135 25 -17.7 17.7 | 90 18 -18.4 0.1 26 300 8730 185 13 1.1 13.0 | 355 5 0.4 -4.7 27 295 8839 185 12 1.0 12.0 | 357 6 0.3 -5.7 28 282 9144 175 15 -1.3 14.9 | 38 3 -2.1 -2.7 29 257 9754 205 27 11.4 24.5 | 237 13 10.7 6.9 30 250 9950 190 24 4.2 23.6 | 210 7 3.4 6.0 31 246 10058 190 24 4.2 23.6 | 210 7 3.4 6.0 32 215 10973 220 18 11.6 13.8 | 289 11 10.8 -3.8 33 205 11278 190 23 4.0 22.7 | 213 6 3.2 5.0 34 200 11450 190 29 5.0 28.6 | 201 12 4.3 10.9 35 187 11887 195 31 8.0 29.9 | 211 14 7.3 12.3 36 179 12192 190 22 3.8 21.7 | 217 5 3.1 4.1 37 156 13106 215 21 12.0 17.2 | 272 11 11.3 -0.4 38 150 13390 190 16 2.8 15.8 | 312 3 2.0 -1.9 39 150 13411 205 17 7.2 15.4 | 289 7 6.4 -2.2 40 136 14021 160 16 -5.5 15.0 | 68 7 -6.2 -2.6 41 130 14326 200 27 9.2 25.4 | 228 11 8.5 7.8 42 124 14630 210 26 13.0 22.5 | 248 13 12.3 4.9 43 119 14935 200 20 6.8 18.8 | 259 6 6.1 1.2 44 113 15240 215 22 12.6 18.0 | 268 12 11.9 0.4 45 108 15545 230 22 16.9 14.1 | 282 16 16.1 -3.5 46 100 16070 190 21 3.6 20.7 | 223 4 2.9 3.1 47 99 16154 190 23 4.0 22.7 | 213 6 3.2 5.0 48 94 16459 190 21 3.6 20.7 | 223 4 2.9 3.1 49 90 16764 245 11 10.0 4.6 | 325 16 9.2 -13.0 50 86 17069 140 10 -6.4 7.7 | 36 12 -7.2 -9.9 51 78 17678 200 22 7.5 20.7 | 246 7 6.8 3.1 52 74 17983 235 12 9.8 6.9 | 320 14 9.1 -10.7 53 71 18288 170 13 -2.3 12.8 | 32 6 -3.0 -4.8 54 70 18380 190 17 3.0 16.7 | 292 2 2.2 -0.9 55 68 18593 190 17 3.0 16.7 | 292 2 2.2 -0.9 56 65 18898 205 19 8.0 17.2 | 273 7 7.3 -0.4 57 62 19202 230 14 10.7 9.0 | 311 13 10.0 -8.6 58 59 19507 225 12 8.5 8.5 | 320 12 7.7 -9.1 59 56 19812 245 10 9.1 4.2 | 328 16 8.3 -13.4 60 50 20570 270 7 7.0 -0.0 | 340 19 6.3 -17.6 61 44 21336 105 3 -2.9 0.8 | 12 17 -3.6 -16.8 62 39 22250 185 1 0.1 1.0 | 2 17 -0.7 -16.6 63 35 22860 190 10 1.7 9.8 | 353 8 1.0 -7.8 64 30 23900 210 10 5.0 8.7 | 335 10 4.3 -9.0 65 29 24079 180 14 0.0 14.0 | 12 4 -0.7 -3.6 66 28 24384 230 6 4.6 3.9 | 344 14 3.8 -13.8 67 27 24689 105 2 -1.9 0.5 | 9 17 -2.7 -17.1 68 20 26560 205 8 3.4 7.3 | 346 11 2.6 -10.4 69 18 27127 205 1 0.4 0.9 | 1 17 -0.3 -16.7 70 18 27432 140 6 -3.9 4.6 | 19 14 -4.6 -13.0 71 13 29261 0 0 -0.0 -0.0 | 2 18 -0.7 -17.6 72 12 29870 50 10 -7.7 -6.4 | 19 25 -8.4 -24.0 73 12 30175 65 14 -12.7 -5.9 | 30 27 -13.4 -23.5 74 10 31170 15 15 -3.9 -14.5 | 8 32 -4.6 -32.1 Wind Parameters Mean winds (0-6000m): 152.4 at 23.5 knts Storm direction: 182.4 at 17.6 knts Shear (0-3000m) pos: 2.3 neg: 0.6 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 66.4 deg Storm rel helicity (0-3000m) pos: 116.5 neg: -30.4 tot: 86.1 m^2/s^2 ave: 28.7 10^-3 m/s^2 rel: 0.44 Storm rel vorticity (0-3000m) horiz: 7.6 stream: 3.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.07 Bulk Shear: 13.38 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 ------------------------------------------------------------------------------- 500 135 15 59 13| 0.0 6.2 6.2| 25.4 -9.0 16.3 32.6 0.50| 10.7 5.3 1000 135 18 70 14| 6.4 3.1 9.5| 84.4 -13.4 71.0 71.0 0.68| 13.4 9.2 1500 142 22 89 14| 5.8 2.1 7.9|113.3 -13.4 99.8 66.6 0.71| 11.5 8.1 2000 146 24 99 14| 3.5 1.6 5.1|114.9 -18.6 96.3 48.2 0.60| 9.8 5.8 2500 148 24 101 14| 2.8 0.8 3.6|114.9 -29.0 86.0 34.4 0.45| 8.8 4.0 3000 149 23 101 13| 2.3 0.6 3.0|116.5 -30.4 86.1 28.7 0.44| 7.6 3.3 4000 150 23 103 13| 1.8 0.8 2.5|121.2 -30.7 90.4 22.6 0.43| 6.2 2.7 5000 151 24 105 13| 1.5 0.6 2.1|128.7 -31.2 97.5 19.5 0.41| 5.8 2.4 6000 152 24 106 12| 1.3 1.0 2.2|129.1 -38.4 90.7 15.1 0.30| 5.7 1.7 Wrote GIF file: /home/apache/climate/data/raob//PAKN/skewt/PAKN.skewt.20250430.00.gif