UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120312.upa.cvt Date: 1200Z 3 DEC 25 Searching for PAKN... Searching the city database file for: PAKN ... Date:1200Z 3 DEC 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 1001 15 3.0 0.4 83 2.6 1.9 135 2 276.1 276.7 275.0 286.8 3.93 1 1000 19 4.4 0.6 76 3.8 2.7 135 2 277.5 278.2 275.9 288.5 3.99 2 996 52 5.4 0.5 71 4.9 3.2 135 3 278.9 279.5 276.6 289.9 3.98 3 988 118 6.8 -0.2 61 7.0 3.7 135 5 280.9 281.6 277.4 291.6 3.81 4 977 210 7.6 -0.4 57 8.0 4.0 135 9 282.6 283.3 278.3 293.3 3.80 5 925 657 3.8 -1.2 70 5.0 1.6 145 17 283.2 283.8 278.6 293.9 3.78 6 901 870 2.2 -2.2 73 4.4 0.3 141 16 283.7 284.3 278.6 293.9 3.61 7 850 1338 -1.7 -3.0 91 1.3 -2.2 130 16 284.4 285.0 278.9 294.6 3.60 8 841 1423 -2.3 -2.9 96 0.6 -2.6 126 17 284.6 285.2 279.1 295.0 3.67 9 810 1720 -3.9 -5.1 91 1.2 -4.4 129 21 286.0 286.5 279.2 295.2 3.23 10 739 2439 -8.3 -8.4 99 0.1 -8.4 135 17 288.8 289.3 279.9 296.8 2.74 11 707 2781 -9.9 -11.0 92 1.1 -10.2 113 18 290.7 291.1 280.3 297.6 2.33 12 700 2858 -10.5 -11.6 92 1.1 -10.9 110 20 290.9 291.3 280.3 297.6 2.25 13 678 3103 -12.7 -13.0 98 0.3 -12.8 96 18 291.1 291.4 280.1 297.3 2.07 14 631 3648 -16.5 -16.9 97 0.4 -16.6 105 20 292.8 293.1 280.3 297.7 1.61 15 615 3841 -17.7 -18.5 93 0.8 -17.9 116 20 293.6 293.8 280.4 298.0 1.44 16 610 3902 -17.9 -20.5 80 2.6 -18.5 120 20 294.0 294.2 280.4 297.8 1.23 17 607 3939 -17.9 -19.8 85 1.9 -18.3 122 20 294.4 294.7 280.7 298.5 1.31 18 604 3976 -17.7 -20.7 77 3.0 -18.4 125 20 295.1 295.3 280.8 298.9 1.22 19 573 4369 -19.1 -24.1 65 5.0 -20.1 149 20 297.9 298.1 281.7 301.0 0.95 20 561 4527 -20.1 -26.1 59 6.0 -21.2 157 19 298.5 298.7 281.8 301.2 0.81 21 547 4714 -21.5 -26.4 65 4.9 -22.4 166 17 299.0 299.2 282.0 301.7 0.81 22 532 4918 -22.9 -28.9 58 6.0 -23.9 176 16 299.8 299.9 282.1 301.9 0.66 23 500 5370 -26.9 -30.2 74 3.3 -27.4 170 17 300.2 300.4 282.3 302.3 0.62 24 460 5963 -31.7 -36.7 61 5.0 -32.2 165 19 301.5 301.6 282.5 302.7 0.36 25 440 6275 -34.7 -38.7 67 4.0 -35.0 165 22 301.6 301.6 282.4 302.6 0.31 26 428 6466 -36.5 -41.5 60 5.0 -36.9 168 23 301.7 301.7 282.4 302.5 0.23 27 400 6930 -40.5 -45.0 62 4.5 -40.8 190 23 302.4 302.4 282.5 303.0 0.17 28 393 7050 -41.5 -45.7 64 4.2 -41.7 194 25 302.6 302.6 282.7 303.2 0.16 29 372 7419 -44.9 -49.9 57 5.0 -45.1 192 25 302.9 302.9 282.7 303.2 0.11 30 336 8089 -51.3 -54.2 71 2.9 -51.4 206 24 303.1 303.1 282.7 303.3 0.07 31 330 8205 -52.3 -55.4 69 3.1 -52.4 209 23 303.3 303.3 282.8 303.5 0.06 32 321 8383 -53.3 -57.0 64 3.7 -53.4 203 27 304.3 304.3 283.2 304.5 0.05 33 317 8464 -53.5 -57.4 62 3.9 -53.6 199 29 305.1 305.1 283.5 305.3 0.05 34 313 8545 -54.3 -57.5 68 3.2 -54.4 195 31 305.1 305.1 283.5 305.3 0.05 35 312 8566 -54.1 -57.1 69 3.0 -54.2 195 30 305.6 305.7 283.7 305.8 0.05 36 311 8587 -53.1 -57.0 62 3.9 -53.2 196 29 307.3 307.3 284.4 307.5 0.06 37 309 8628 -51.5 -62.5 26 11.0 -51.7 197 27 310.1 310.1 285.4 310.2 0.03 38 308 8649 -51.5 -63.5 23 12.0 -51.7 197 26 310.4 310.4 285.5 310.5 0.02 39 303 8755 -51.1 -72.1 6 21.0 -51.4 199 22 312.4 312.4 286.2 312.5 0.01 40 301 8798 -51.3 -71.3 7 20.0 -51.5 200 20 312.7 312.7 286.3 312.8 0.01 41 300 8820 -51.3 -71.3 7 20.0 -51.5 200 19 313.0 313.0 286.4 313.1 0.01 42 250 10020 -44.9 -76.9 2 32.0 -45.6 200 33 339.3 339.3 294.1 339.3 0.00 43 236 10408 -43.1 -77.1 1 34.0 -44.0 196 35 347.7 347.7 296.1 347.7 0.00 44 200 11520 -45.1 -79.1 1 34.0 -45.9 220 48 361.4 361.4 299.0 361.4 0.00 45 193 11758 -45.5 -79.5 1 34.0 -46.3 219 51 364.4 364.4 299.5 364.4 0.00 46 174 12450 -44.5 -79.5 1 35.0 -45.5 215 59 377.0 377.0 301.8 377.0 0.00 47 150 13440 -45.9 -79.9 1 34.0 -46.9 220 75 391.0 391.0 303.9 391.0 0.00 48 142 13804 -46.7 -80.7 1 34.0 -47.7 220 75 395.7 395.7 304.6 395.8 0.00 49 133 14238 -45.9 -80.9 1 35.0 -47.0 220 75 404.7 404.7 305.8 404.7 0.00 50 115 15198 -49.1 -83.1 1 34.0 -50.0 220 73 415.9 415.9 307.2 415.9 0.00 51 113 15313 -47.5 -82.5 1 35.0 -48.6 218 71 421.0 421.0 307.8 421.0 0.00 52 108 15613 -47.1 -82.1 1 35.0 -48.3 211 64 427.2 427.2 308.5 427.2 0.00 53 107 15674 -47.1 -82.1 1 35.0 -48.3 209 63 428.4 428.4 308.7 428.4 0.00 54 100 16120 -48.7 -82.7 1 34.0 -49.8 205 77 433.6 433.6 309.2 433.7 0.00 55 92 16666 -49.8 -83.5 1 33.6 -50.8 220 80 441.9 441.9 310.1 441.9 0.00 56 79 17657 -51.9 -84.9 1 33.0 -52.8 215 49 457.3 457.3 311.5 457.3 0.00 57 74 18084 -47.9 -82.9 1 35.0 -49.4 215 49 474.3 474.3 313.0 474.3 0.01 58 72 18265 -48.7 -83.7 1 35.0 -50.1 215 50 476.3 476.3 313.1 476.4 0.00 59 70 18450 -47.7 -83.7 1 36.0 -49.3 230 54 482.3 482.3 313.7 482.4 0.01 60 68 18642 -46.5 -82.5 1 36.0 -48.3 226 57 488.9 488.9 314.1 489.0 0.01 61 64 19044 -48.5 -83.5 1 35.0 -50.1 227 50 493.1 493.1 314.5 493.1 0.01 62 55 20041 -49.5 -83.5 1 34.0 -51.1 218 43 512.7 512.7 315.8 512.7 0.01 63 52 20411 -47.1 -83.1 1 36.0 -49.3 210 38 526.5 526.5 316.7 526.6 0.01 64 51 20539 -48.3 -83.3 1 35.0 -50.3 210 44 526.7 526.7 316.7 526.7 0.01 65 50 20670 -47.7 -82.7 1 35.0 -49.8 210 51 531.1 531.1 317.0 531.1 0.01 66 44 21515 -47.3 -83.3 1 36.0 -49.7 210 50 551.8 551.8 318.2 551.9 0.01 67 43 21668 -43.9 -81.9 1 38.0 -47.2 210 49 563.8 563.8 318.8 563.9 0.01 68 41 21989 -42.9 -81.9 1 39.0 -46.6 209 48 574.0 574.0 319.3 574.1 0.01 69 40 22155 -42.9 -80.9 1 38.0 -46.7 208 48 578.1 578.1 319.6 578.2 0.01 70 35 23055 -43.1 -81.1 1 38.0 -47.2 206 49 600.1 600.1 320.6 600.2 0.02 71 32 23656 -45.3 -82.3 1 37.0 -49.0 209 53 609.8 609.8 321.0 609.9 0.01 72 31 23869 -43.9 -81.9 1 38.0 -48.1 213 53 619.1 619.1 321.5 619.2 0.02 TRP 313 8545 -54.3 -57.5 68 3.2 -54.4 195 31 305.1 305.1 283.5 305.3 0.05 WND 92 16666 -49.8 -83.5 1 33.6 -50.8 220 80 441.9 441.9 310.1 441.9 0.00 Sounding variables and indices 1000-500 mb thick: 5351.00 m Freezing level: 872.23 mb = 1134.08 m = 3720.71 ft Wetbulb zero: 894.23 mb = 930.71 m = 3053.48 ft Precipitable water: 0.53 inches Sfc-500 mean rel hum: 81.23 % Est. max temperature: 11.28 C = 52.31 F Sfc-Lift cond lev (LCL): 961.45 mb = 341.00 m = 1118.74 ft T: 6.49 C 700-500 lapse rate: 6.53 C/km ThetaE index: 0.36 C Layer 700.0- 631.0 mb Conv cond level (CCL): 835.19 mb = 1477.58 m = 4847.63 ft Mean mixing ratio: 3.78 g/kg Conv temperature: 11.79 C = 53.22 F Cap Strength: 7.14 C Lifted Index: 7.01 C Risk: None Lifted Index @300 mb: 14.19 C Lifted Index @700 mb: 3.10 C Showalter Index: 5.89 C Risk: None Total Totals Index: 49.10 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 25.20 C Cross Totals Index: 23.90 C K Index: 21.10 Risk: 20-40 % chance of thunderstorms Sweat Index: 51.00 Risk: None Energy Index: 1.57 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.79 J/kg Max Up Vert Vel: 5.25 m/s Conv Inhibition (B-): 43247.20 J/kg Cap Strength: 7.12 C Lift Cond Lev (LCL): 865.57 mb = 1192.29 m = 3911.67 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 168 at 13 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 1001 15 135 2 -1.4 1.4 | 353 12 1.4 -11.7 1 1000 19 135 2 -1.4 1.4 | 353 12 1.4 -11.7 2 966 305 135 12 -8.5 8.5 | 51 7 -5.7 -4.6 3 930 610 145 16 -9.2 13.1 | 90 6 -6.4 0.0 4 925 657 145 17 -9.8 13.9 | 97 7 -7.0 0.9 5 896 914 140 16 -10.3 12.3 | 84 8 -7.5 -0.8 6 863 1219 135 17 -12.0 12.0 | 84 9 -9.2 -1.0 7 850 1338 130 16 -12.3 10.3 | 74 10 -9.5 -2.8 8 830 1524 120 18 -15.6 9.0 | 72 13 -12.8 -4.1 9 798 1829 135 22 -15.6 15.6 | 101 13 -12.8 2.5 10 768 2134 140 24 -15.4 18.4 | 113 14 -12.6 5.3 11 739 2438 135 17 -12.0 12.0 | 84 9 -9.2 -1.0 12 710 2743 115 17 -15.4 7.2 | 65 14 -12.6 -5.9 13 700 2858 110 20 -18.8 6.8 | 69 17 -16.0 -6.2 14 682 3048 95 18 -17.9 1.6 | 53 19 -15.1 -11.5 15 629 3658 105 20 -19.3 5.2 | 64 18 -16.5 -7.9 16 580 4267 145 21 -12.0 17.2 | 114 10 -9.3 4.1 17 534 4877 175 16 -1.4 15.9 | 206 3 1.4 2.9 18 513 5182 190 16 2.8 15.8 | 244 6 5.6 2.7 19 500 5370 170 17 -3.0 16.7 | 177 4 -0.2 3.7 20 471 5791 165 18 -4.7 17.4 | 157 5 -1.9 4.3 21 451 6096 165 20 -5.2 19.3 | 159 7 -2.4 6.2 22 431 6401 165 23 -6.0 22.2 | 161 10 -3.2 9.1 23 400 6930 190 23 4.0 22.7 | 215 12 6.8 9.6 24 395 7010 195 25 6.5 24.1 | 220 14 9.3 11.1 25 377 7315 190 25 4.3 24.6 | 212 14 7.1 11.6 26 360 7620 195 26 6.7 25.1 | 218 15 9.5 12.0 27 328 8230 210 23 11.5 19.9 | 244 16 14.3 6.8 28 313 8545 195 31 8.0 29.9 | 213 20 10.8 16.9 29 300 8820 200 19 6.5 17.9 | 243 10 9.3 4.8 30 299 8839 200 33 11.3 31.0 | 218 23 14.1 17.9 31 286 9144 190 22 3.8 21.7 | 218 11 6.6 8.6 32 260 9754 210 39 19.5 33.8 | 227 30 22.3 20.7 33 250 10020 200 33 11.3 31.0 | 218 23 14.1 17.9 34 249 10058 210 32 16.0 27.7 | 232 24 18.8 14.6 35 238 10363 195 34 8.8 32.8 | 210 23 11.6 19.8 36 217 10973 215 45 25.8 36.9 | 230 37 28.6 23.8 37 200 11520 220 48 30.9 36.8 | 235 41 33.6 23.7 38 173 12497 215 60 34.4 49.1 | 226 52 37.2 36.1 39 165 12802 220 52 33.4 39.8 | 234 45 36.2 26.8 40 150 13440 220 75 48.2 57.5 | 229 68 51.0 44.4 41 144 13716 220 75 48.2 57.5 | 229 68 51.0 44.4 42 120 14935 220 75 48.2 57.5 | 229 68 51.0 44.4 43 114 15240 220 73 46.9 55.9 | 229 66 49.7 42.9 44 104 15850 205 59 24.9 53.5 | 214 49 27.7 40.4 45 100 16120 205 77 32.5 69.8 | 212 67 35.3 56.7 46 95 16459 205 77 32.5 69.8 | 212 67 35.3 56.7 47 92 16666 220 80 51.4 61.3 | 228 73 54.2 48.2 48 91 16764 220 80 51.4 61.3 | 228 73 54.2 48.2 49 86 17069 225 74 52.3 52.3 | 235 68 55.1 39.3 50 79 17678 215 48 27.5 39.3 | 229 40 30.3 26.3 51 72 18288 215 50 28.7 41.0 | 228 42 31.5 27.9 52 70 18450 230 54 41.4 34.7 | 244 49 44.2 21.6 53 69 18593 225 58 41.0 41.0 | 237 52 43.8 27.9 54 65 18898 230 51 39.1 32.8 | 245 46 41.9 19.7 55 57 19812 210 45 22.5 39.0 | 224 36 25.3 25.9 56 54 20117 220 42 27.0 32.2 | 237 35 29.8 19.1 57 52 20422 210 38 19.0 32.9 | 228 29 21.8 19.8 58 50 20670 210 51 25.5 44.2 | 222 42 28.3 31.1 59 46 21031 210 52 26.0 45.0 | 222 43 28.8 32.0 60 42 21336 210 48 24.0 41.6 | 223 39 26.8 28.5 61 37 21946 205 47 19.9 42.6 | 217 37 22.6 29.5 62 32 22555 210 54 27.0 46.8 | 221 45 29.8 33.7 63 29 22860 225 50 35.4 35.4 | 240 44 38.1 22.3 64 27 23165 205 48 20.3 43.5 | 217 38 23.1 30.4 65 22 24079 210 48 24.0 41.6 | 223 39 26.8 28.5 Wind Parameters Mean winds (0-6000m): 138.0 at 17.8 knts Storm direction: 168.0 at 13.4 knts Shear (0-3000m) pos: 3.4 neg: 3.4 tot: 6.8 10-3/s Storm rel Dir Shear (0-3000m): 62.1 deg Storm rel helicity (0-3000m) pos: 60.9 neg: -52.2 tot: 8.7 m^2/s^2 ave: 2.9 10^-3 m/s^2 rel: 0.13 Storm rel vorticity (0-3000m) horiz: 9.0 stream: 1.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.53 Bulk Shear: 9.00 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 ------------------------------------------------------------------------------- 500 137 10 32 7| 13.1 0.0 13.1| 24.7 0.0 24.7 49.5 0.88| 13.6 12.0 1000 141 13 60 6| 6.6 0.9 7.5| 28.0 -2.5 25.5 25.5 0.70| 9.0 6.3 1500 137 14 69 7| 4.4 2.3 6.7| 28.0 -7.7 20.4 13.6 0.44| 8.1 3.6 2000 135 16 78 9| 5.1 1.8 6.9| 56.5 -7.7 48.8 24.4 0.58| 8.2 4.8 2500 136 17 84 9| 4.1 2.0 6.1| 59.7 -26.6 33.1 13.3 0.32| 8.5 2.7 3000 132 17 80 10| 3.4 3.4 6.8| 60.9 -52.2 8.7 2.9 0.13| 9.0 1.2 4000 125 18 76 12| 3.8 2.5 6.3|105.5 -54.4 51.1 12.8 0.26| 8.3 2.1 5000 131 18 83 11| 3.5 2.0 5.5|134.2 -54.4 79.8 16.0 0.37| 8.6 3.2 6000 138 18 91 9| 2.9 1.8 4.7|135.6 -61.2 74.4 12.4 0.28| 8.0 2.2 Wrote GIF file: /home/apache/climate/data/raob//PAKN/skewt/PAKN.skewt.20251203.12.gif