UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120212.upa.cvt Date: 1200Z 2 DEC 25 Searching for PAKN... Searching the city database file for: PAKN ... Date:1200Z 2 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 ------------------------------------------------------------------------------- 0 1000 -12 75 6 SFC 997 15 5.0 3.8 92 1.2 4.4 75 6 278.4 279.2 277.7 292.2 5.04 2 985 114 6.8 3.2 78 3.6 5.1 78 14 281.2 282.0 278.9 294.7 4.89 3 971 231 8.2 3.2 71 5.0 5.8 82 22 283.7 284.6 280.3 297.6 4.96 4 943 472 7.6 2.6 71 5.0 5.2 99 27 285.5 286.4 281.0 299.3 4.89 5 925 630 6.6 1.8 71 4.8 4.3 110 26 286.1 286.9 281.1 299.4 4.71 6 850 1318 1.2 -0.1 91 1.3 0.6 120 28 287.4 288.2 281.4 300.1 4.47 7 840 1413 0.2 -0.5 95 0.7 -0.1 123 31 287.3 288.1 281.3 299.9 4.39 8 803 1773 -1.9 -1.9 100 0.0 -1.9 133 41 288.8 289.5 281.7 300.7 4.14 9 774 2065 -3.3 -3.8 96 0.5 -3.5 135 47 290.4 291.0 281.8 301.2 3.73 10 750 2314 -3.9 -4.6 95 0.7 -4.2 135 49 292.3 293.0 282.6 303.0 3.62 11 700 2856 -6.9 -7.7 94 0.8 -7.2 135 50 294.8 295.4 283.0 304.0 3.06 12 691 2957 -7.3 -8.1 94 0.8 -7.6 137 51 295.5 296.0 283.2 304.5 3.00 13 680 3082 -7.1 -8.0 93 0.9 -7.4 139 52 297.1 297.6 284.0 306.4 3.08 14 626 3721 -11.1 -12.3 91 1.2 -11.5 151 57 299.6 300.0 284.1 306.9 2.37 15 582 4278 -12.5 -13.9 89 1.4 -12.9 160 37 304.3 304.7 285.8 311.4 2.24 16 560 4572 -12.3 -13.4 91 1.1 -12.7 170 46 307.9 308.4 287.3 315.6 2.43 17 500 5430 -16.9 -18.1 90 1.2 -17.3 175 35 312.4 312.8 288.2 318.5 1.84 18 497 5475 -17.1 -18.3 90 1.2 -17.4 183 33 312.7 313.1 288.3 318.7 1.82 19 400 7070 -28.5 -30.6 82 2.1 -28.8 170 36 317.9 318.1 288.9 320.6 0.75 20 391 7233 -29.9 -31.8 83 1.9 -30.2 169 36 318.2 318.3 288.9 320.6 0.68 21 380 7436 -31.5 -34.1 78 2.6 -31.9 167 36 318.7 318.8 288.9 320.7 0.56 22 348 8054 -35.1 -37.9 76 2.8 -35.4 165 39 321.9 322.0 289.8 323.5 0.42 23 300 9070 -44.1 -47.6 68 3.5 -44.3 165 46 323.2 323.2 289.9 323.9 0.17 24 297 9137 -44.7 -48.2 68 3.5 -44.9 161 45 323.3 323.3 289.9 323.9 0.16 25 292 9251 -45.7 -49.5 65 3.8 -45.9 159 47 323.4 323.5 290.0 324.0 0.14 26 286 9389 -46.7 -51.0 61 4.3 -46.9 158 50 323.9 324.0 290.1 324.4 0.12 27 273 9696 -49.1 -51.2 79 2.1 -49.2 156 57 324.8 324.8 290.3 325.3 0.13 28 271 9745 -48.9 -50.4 84 1.5 -49.0 155 58 325.8 325.8 290.6 326.3 0.14 29 263 9941 -50.5 -62.5 23 12.0 -50.8 157 59 326.2 326.2 290.7 326.4 0.03 30 259 10041 -51.3 -68.3 11 17.0 -51.6 158 60 326.5 326.5 290.7 326.5 0.02 31 250 10270 -52.7 -67.7 15 15.0 -52.9 160 62 327.7 327.7 291.1 327.8 0.02 32 240 10533 -53.9 -70.9 11 17.0 -54.1 170 61 329.8 329.8 291.6 329.8 0.01 33 217 11182 -52.7 -74.7 5 22.0 -53.0 198 64 341.3 341.3 294.6 341.3 0.01 34 212 11332 -52.3 -75.2 5 22.9 -52.7 205 65 344.2 344.2 295.3 344.2 0.01 35 200 11710 -51.3 -76.3 4 25.0 -51.7 215 62 351.5 351.5 297.0 351.6 0.01 36 168 12827 -55.5 -82.5 2 27.0 -55.8 226 54 362.5 362.5 299.2 362.5 0.00 37 157 13257 -54.9 -82.9 2 28.0 -55.2 228 52 370.6 370.6 300.7 370.6 0.00 38 155 13339 -52.5 -82.5 1 30.0 -52.9 229 51 376.1 376.1 301.6 376.1 0.00 39 154 13381 -52.3 -82.3 2 30.0 -52.8 229 51 377.1 377.1 301.8 377.1 0.00 40 150 13550 -53.3 -82.3 2 29.0 -53.8 230 50 378.2 378.2 301.9 378.3 0.00 41 135 14222 -57.3 -84.3 2 27.0 -57.6 224 49 382.7 382.7 302.7 382.7 0.00 42 127 14607 -57.7 -84.7 2 27.0 -58.0 222 55 388.7 388.7 303.6 388.7 0.00 43 120 14969 -52.9 -83.9 1 31.0 -53.5 220 59 403.9 403.9 305.7 403.9 0.00 44 115 15243 -53.5 -83.5 1 30.0 -54.1 220 53 407.7 407.7 306.2 407.7 0.00 45 109 15589 -51.1 -83.1 1 32.0 -51.9 224 44 418.5 418.6 307.6 418.6 0.00 46 107 15710 -50.5 -82.5 1 32.0 -51.3 222 44 421.9 421.9 307.9 421.9 0.00 47 100 16150 -51.5 -83.5 1 32.0 -52.3 215 45 428.2 428.2 308.6 428.2 0.00 48 98 16281 -52.1 -83.1 1 31.0 -52.8 218 37 429.5 429.5 308.8 429.6 0.00 49 83 17365 -48.3 -82.3 1 34.0 -49.6 222 38 458.2 458.2 311.6 458.2 0.01 50 77 17857 -50.3 -83.3 1 33.0 -51.4 219 34 464.0 464.0 312.1 464.0 0.00 51 74 18116 -49.3 -83.3 1 34.0 -50.6 217 32 471.4 471.4 312.7 471.4 0.01 52 70 18480 -50.1 -83.1 1 33.0 -51.4 205 34 477.2 477.2 313.2 477.2 0.01 53 67 18767 -50.7 -83.7 1 33.0 -52.0 208 32 481.9 481.9 313.6 481.9 0.01 54 64 19066 -50.7 -83.7 1 33.0 -52.0 213 33 488.3 488.3 314.1 488.3 0.01 55 64 19066 -50.7 -83.7 1 33.0 -52.0 213 33 488.3 488.3 314.1 488.3 0.01 56 61 19380 -50.1 -84.1 1 34.0 -51.5 215 33 496.4 496.4 314.7 496.4 0.01 57 58 19710 -51.9 -83.9 1 32.0 -53.1 198 30 499.5 499.5 314.9 499.5 0.01 58 53 20298 -49.9 -83.9 1 34.0 -51.5 213 33 517.2 517.2 316.1 517.2 0.01 59 51 20550 -50.3 -84.3 1 34.0 -52.0 211 32 522.0 522.0 316.4 522.0 0.01 60 50 20680 -48.9 -83.9 1 35.0 -50.8 210 32 528.2 528.2 316.8 528.3 0.01 61 49 20813 -48.1 -83.1 1 35.0 -50.2 199 37 533.2 533.2 317.1 533.2 0.01 62 47 21087 -48.9 -83.9 1 35.0 -50.9 208 33 537.7 537.7 317.4 537.7 0.01 63 43 21673 -47.9 -82.9 1 35.0 -50.3 200 31 554.0 554.0 318.3 554.0 0.01 64 38 22497 -43.3 -81.3 1 38.0 -47.1 197 33 585.6 585.6 319.9 585.7 0.01 65 37 22677 -43.3 -81.3 1 38.0 -47.2 197 35 590.1 590.1 320.2 590.2 0.01 66 30 24080 -46.3 -82.3 1 36.0 -49.8 190 46 618.4 618.4 321.4 618.5 0.02 67 25 25281 -48.9 -83.9 1 35.0 -52.2 188 54 644.1 644.1 322.4 644.2 0.01 68 23 25833 -44.5 -82.5 1 38.0 -49.4 186 59 672.5 672.5 323.5 672.7 0.02 69 20 26760 -48.1 -84.1 1 36.0 -52.2 185 60 688.9 689.0 324.1 689.1 0.02 70 17 27826 -50.3 -85.3 1 35.0 -54.1 186 59 714.7 714.7 324.9 714.8 0.02 71 14 29105 -46.3 -83.3 1 37.0 -52.1 193 61 769.0 769.0 326.4 769.3 0.03 72 13 29595 -47.9 -83.9 1 36.0 -53.4 195 61 780.0 780.0 326.7 780.2 0.03 TRP 240 10533 -53.9 -70.9 11 17.0 -54.1 170 61 329.8 329.8 291.6 329.8 0.01 WND 212 11332 -52.3 -75.2 5 22.9 -52.7 205 65 344.2 344.2 295.3 344.2 0.01 Sounding variables and indices 1000-500 mb thick: 5442.00 m Freezing level: 836.48 mb = 1447.37 m = 4748.54 ft Wetbulb zero: 841.39 mb = 1399.85 m = 4592.64 ft Precipitable water: 0.77 inches Sfc-500 mean rel hum: 89.41 % Est. max temperature: 13.98 C = 57.17 F Sfc-Lift cond lev (LCL): 978.69 mb = 166.66 m = 546.77 ft T: 7.43 C 700-500 lapse rate: 3.89 C/km ThetaE index: 0.29 C Layer 840.0- 803.0 mb Conv cond level (CCL): 847.19 mb = 1344.63 m = 4411.47 ft Mean mixing ratio: 4.83 g/kg Conv temperature: 13.98 C = 57.17 F Cap Strength: 11.12 C Lifted Index: 13.43 C Risk: None Lifted Index @300 mb: 17.93 C Lifted Index @700 mb: 3.69 C Showalter Index: 11.97 C Risk: None Total Totals Index: 34.90 C Risk: None Vertical Totals Index: 18.10 C Cross Totals Index: 16.80 C K Index: 17.20 Risk: < 20 % chance of thunderstorms Sweat Index: 91.00 Risk: None Energy Index: 3.67 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 24.54 J/kg Max Up Vert Vel: 7.01 m/s Conv Inhibition (B-): 64879.21 J/kg Cap Strength: 13.24 C Lift Cond Lev (LCL): 884.57 mb = 993.67 m = 3260.03 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 176 at 30 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 ---------------------------------------------------------- 0 997 15 75 6 -5.8 -1.6 | 6 31 -3.5 -31.0 1 962 305 85 28 -27.9 -2.4 | 39 41 -25.6 -31.9 2 927 610 110 27 -25.4 9.2 | 49 31 -23.1 -20.2 3 925 630 110 26 -24.4 8.9 | 47 30 -22.2 -20.6 4 893 914 110 21 -19.7 7.2 | 38 28 -17.5 -22.3 5 860 1219 115 25 -22.7 10.6 | 47 28 -20.4 -18.9 6 850 1318 120 28 -24.2 14.0 | 55 27 -22.0 -15.5 7 797 1829 135 43 -30.4 30.4 | 92 28 -28.1 1.0 8 767 2134 135 48 -33.9 33.9 | 98 32 -31.7 4.5 9 738 2438 135 49 -34.6 34.6 | 99 33 -32.4 5.2 10 710 2743 130 50 -38.3 32.1 | 94 36 -36.0 2.7 11 700 2856 135 50 -35.4 35.4 | 100 34 -33.1 5.9 12 630 3658 150 59 -29.5 51.1 | 128 35 -27.2 21.6 13 582 4267 160 37 -12.7 34.8 | 117 12 -10.4 5.3 14 559 4572 170 46 -8.0 45.3 | 160 17 -5.7 15.9 15 537 4877 175 40 -3.5 39.8 | 173 10 -1.2 10.4 16 500 5430 175 35 -3.1 34.9 | 172 5 -0.8 5.4 17 496 5486 185 33 2.9 32.9 | 236 6 5.2 3.4 18 476 5791 175 29 -2.5 28.9 | 24 1 -0.2 -0.6 19 457 6096 175 34 -3.0 33.9 | 171 4 -0.7 4.4 20 400 7070 170 36 -6.3 35.5 | 147 7 -4.0 6.0 21 370 7620 165 36 -9.3 34.8 | 127 9 -7.0 5.3 22 300 9070 165 46 -11.9 44.4 | 147 18 -9.6 15.0 23 297 9144 160 45 -15.4 42.3 | 134 18 -13.1 12.8 24 270 9754 155 58 -24.5 52.6 | 136 32 -22.2 23.1 25 250 10270 160 62 -21.2 58.3 | 147 34 -18.9 28.8 26 246 10363 160 62 -21.2 58.3 | 147 34 -18.9 28.8 27 240 10533 170 61 -10.6 60.1 | 165 32 -8.3 30.6 28 212 11332 205 65 27.5 58.9 | 225 42 29.8 29.5 29 204 11582 205 65 27.5 58.9 | 225 42 29.8 29.5 30 200 11710 215 62 35.6 50.8 | 241 43 37.8 21.3 31 195 11887 220 59 37.9 45.2 | 249 43 40.2 15.7 32 150 13550 230 50 38.3 32.1 | 266 41 40.6 2.7 33 139 14021 225 46 32.5 32.5 | 265 35 34.8 3.1 34 121 14935 220 60 38.6 46.0 | 248 44 40.8 16.5 35 115 15240 220 53 34.1 40.6 | 253 38 36.3 11.1 36 110 15545 225 44 31.1 31.1 | 267 33 33.4 1.7 37 100 16150 215 45 25.8 36.9 | 255 29 28.1 7.4 38 100 16154 220 32 20.6 24.5 | 282 23 22.9 -4.9 39 95 16459 215 45 25.8 36.9 | 255 29 28.1 7.4 40 79 17678 225 35 24.7 24.7 | 280 27 27.0 -4.7 41 76 17983 215 33 18.9 27.0 | 277 21 21.2 -2.4 42 72 18288 220 31 19.9 23.7 | 284 23 22.2 -5.7 43 70 18480 205 34 14.4 30.8 | 265 17 16.7 1.4 44 69 18593 205 32 13.5 29.0 | 272 16 15.8 -0.4 45 63 19202 215 33 18.9 27.0 | 277 21 21.2 -2.4 46 60 19507 215 33 18.9 27.0 | 277 21 21.2 -2.4 47 57 19812 190 28 4.9 27.6 | 285 7 7.1 -1.9 48 54 20117 215 34 19.5 27.9 | 274 22 21.8 -1.6 49 50 20680 210 32 16.0 27.7 | 275 18 18.3 -1.7 50 50 20726 195 39 10.1 37.7 | 236 15 12.4 8.2 51 47 21031 210 33 16.5 28.6 | 273 19 18.8 -0.9 52 45 21336 200 35 12.0 32.9 | 256 15 14.3 3.4 53 41 21946 200 28 9.6 26.3 | 285 12 11.9 -3.1 54 30 24079 190 48 8.3 47.3 | 211 21 10.6 17.8 55 30 24080 190 46 8.0 45.3 | 213 19 10.3 15.9 56 29 24384 190 47 8.2 46.3 | 212 20 10.4 16.8 57 22 26213 185 62 5.4 61.8 | 193 33 7.7 32.3 58 20 26760 185 60 5.2 59.8 | 194 31 7.5 30.3 59 20 26822 175 55 -4.8 54.8 | 174 25 -2.5 25.3 60 16 27432 190 60 10.4 59.1 | 203 32 12.7 29.6 61 13 28042 195 61 15.8 58.9 | 212 35 18.1 29.5 62 7 29870 180 52 0.0 52.0 | 186 23 2.3 22.5 Wind Parameters Mean winds (0-6000m): 145.6 at 39.4 knts Storm direction: 175.6 at 29.5 knts Shear (0-3000m) pos: 8.0 neg: 0.6 tot: 8.5 10-3/s Storm rel Dir Shear (0-3000m): 99.1 deg Storm rel helicity (0-3000m) pos: 519.4 neg: -64.3 tot: 455.1 m^2/s^2 ave: 151.7 10^-3 m/s^2 rel: 0.66 Storm rel vorticity (0-3000m) horiz: 14.2 stream: 9.3 10^-3/s Energy-Hel index: 0.07 Bulk Rich Number: 0.17 Bulk Shear: 143.72 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 89 21 33 36| 22.8 0.0 22.8|232.7 0.0 232.7 465.4 0.81| 31.1 25.3 1000 100 23 38 33| 9.2 0.0 9.2|255.3 -40.7 214.6 214.6 0.54| 21.2 11.4 1500 107 24 43 31| 10.4 0.0 10.4|350.6 -40.7 309.8 206.6 0.65| 18.7 12.2 2000 117 28 54 29| 11.2 0.0 11.2|446.0 -40.7 405.3 202.6 0.71| 17.6 12.5 2500 122 32 64 28| 8.9 0.7 9.6|460.6 -46.7 413.9 165.6 0.68| 14.9 10.2 3000 125 35 71 28| 8.0 0.6 8.5|519.4 -64.3 455.1 151.7 0.66| 14.2 9.3 4000 133 40 86 27| 5.6 0.4 6.0|642.8 -68.1 574.7 143.7 0.62| 14.1 8.7 5000 140 41 94 24| 4.0 0.3 4.4|688.2 -76.4 611.8 122.4 0.57| 14.0 8.0 6000 146 39 99 20| 3.0 0.7 3.7|695.9 -76.7 619.2 103.2 0.57| 13.4 7.6 Wrote GIF file: /home/apache/climate/data/raob//PAKN/skewt/PAKN.skewt.20251202.12.gif