UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100711.upa.cvt Date: 1100Z 7 OCT 25 Searching for BIKF... Searching the city database file for: BIKF ... Date:1100Z 7 OCT 25 Station: BIKF WMO ident: 4018 Latitude: 63.97 Longitude: -22.60 Elevation: 52.00 ------------------------------------------------------------------------------- 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 -44 SFC 990 52 5.2 2.7 84 2.5 4.0 305 8 279.2 279.9 277.7 292.0 4.69 2 925 588 0.6 -1.7 85 2.3 -0.3 275 14 279.9 280.5 276.7 290.1 3.65 3 878 1004 -2.5 -3.3 94 0.8 -2.8 281 15 280.9 281.5 276.9 290.5 3.41 4 850 1261 -3.7 -5.9 85 2.2 -4.5 285 16 282.3 282.8 276.9 290.5 2.89 5 841 1345 -4.1 -8.7 70 4.6 -5.7 283 16 282.7 283.1 276.4 289.5 2.35 6 762 2115 -9.5 -10.9 90 1.4 -9.9 265 19 285.0 285.3 277.3 291.3 2.18 7 744 2300 -10.3 -16.3 61 6.0 -11.9 261 20 286.0 286.3 276.8 290.3 1.44 8 700 2766 -13.9 -17.7 73 3.8 -14.8 250 22 287.1 287.3 277.2 291.2 1.36 9 685 2930 -15.1 -16.6 88 1.5 -15.5 252 23 287.5 287.8 277.7 292.1 1.52 10 633 3523 -18.5 -26.5 49 8.0 -19.9 259 24 290.2 290.4 277.9 292.4 0.69 11 632 3535 -18.3 -27.3 45 9.0 -19.8 259 24 290.6 290.7 278.0 292.6 0.64 12 625 3618 -18.3 -29.3 37 11.0 -20.1 260 25 291.5 291.6 278.3 293.3 0.54 13 588 4072 -20.5 -33.5 30 13.0 -22.3 266 26 294.1 294.2 279.3 295.4 0.38 14 580 4173 -21.1 -31.1 40 10.0 -22.6 267 26 294.5 294.6 279.6 296.1 0.49 15 552 4536 -24.1 -27.4 74 3.3 -24.6 271 28 295.2 295.3 280.3 297.5 0.73 16 535 4764 -25.7 -38.7 29 13.0 -27.1 274 28 295.9 296.0 279.9 296.8 0.25 17 503 5207 -29.7 -32.5 77 2.8 -30.0 279 30 296.3 296.4 280.4 297.9 0.50 18 500 5250 -29.9 -34.8 62 4.9 -30.4 280 30 296.6 296.7 280.4 297.9 0.40 19 494 5336 -30.3 -41.3 33 11.0 -31.2 280 31 297.1 297.2 280.4 297.8 0.21 20 490 5394 -30.7 -36.7 56 6.0 -31.3 280 31 297.3 297.4 280.7 298.5 0.34 21 461 5823 -34.3 -39.1 62 4.8 -34.7 282 34 298.1 298.1 280.9 299.0 0.28 22 414 6566 -39.9 -45.9 53 6.0 -40.2 284 38 300.2 300.2 281.6 300.7 0.15 23 403 6749 -41.3 -50.3 37 9.0 -41.7 285 40 300.7 300.7 281.8 301.0 0.09 24 400 6800 -41.1 -56.1 18 15.0 -41.6 285 40 301.6 301.6 282.1 301.7 0.05 25 378 7182 -42.7 -58.7 16 16.0 -43.2 285 46 304.4 304.4 283.2 304.5 0.04 26 366 7399 -43.7 -58.7 17 15.0 -44.2 285 49 305.9 305.9 283.8 306.0 0.04 27 323 8242 -40.9 -66.9 4 26.0 -41.7 291 55 320.9 320.9 289.0 320.9 0.01 28 300 8740 -43.7 -70.7 3 27.0 -44.3 295 59 323.8 323.8 289.9 323.8 0.01 29 298 8785 -43.7 -70.5 4 26.8 -44.4 295 60 324.3 324.3 290.1 324.4 0.01 30 292 8922 -43.9 -69.9 4 26.0 -44.5 293 58 326.0 326.0 290.6 326.0 0.01 31 273 9379 -39.1 -75.1 1 36.0 -40.2 288 53 339.3 339.3 294.1 339.3 0.01 32 250 9980 -40.9 -76.9 1 36.0 -41.9 280 45 345.3 345.3 295.6 345.3 0.00 33 200 11500 -41.3 -78.3 1 37.0 -42.5 270 37 367.4 367.4 300.1 367.4 0.00 34 150 13430 -45.7 -80.7 1 35.0 -46.7 280 36 391.3 391.3 304.0 391.3 0.00 35 139 13939 -44.3 -81.3 1 37.0 -45.5 276 34 402.4 402.4 305.5 402.4 0.00 36 100 16110 -52.1 -85.1 1 33.0 -52.8 260 26 427.1 427.1 308.5 427.1 0.00 37 94 16508 -53.3 -85.3 1 32.0 -54.0 260 26 432.3 432.3 309.1 432.3 0.00 38 73 18139 -51.5 -85.5 1 34.0 -52.5 260 28 468.6 468.6 312.5 468.6 0.00 39 70 18410 -53.5 -86.5 1 33.0 -54.4 260 28 469.9 469.9 312.6 469.9 0.00 40 50 20560 -56.5 -87.5 1 31.0 -57.3 245 25 510.3 510.3 315.7 510.4 0.00 41 39 22126 -59.7 -88.7 1 29.0 -60.4 257 19 539.8 539.8 317.5 539.8 0.00 42 35 22805 -58.3 -88.3 1 30.0 -59.3 262 16 560.4 560.4 318.6 560.5 0.00 43 30 23770 -60.5 -89.5 1 29.0 -61.4 270 12 579.7 579.7 319.6 579.7 0.00 44 20 26300 -59.3 -90.3 1 31.0 -60.7 300 20 654.7 654.7 322.9 654.7 0.01 45 12 29477 -62.1 -90.1 1 28.0 -63.7 271 30 747.7 747.7 325.8 747.8 0.01 46 10 30610 -59.5 -90.5 1 31.0 -61.9 260 34 797.4 797.5 327.2 797.5 0.01 47 7.9 32094 -56.9 -87.9 1 31.0 -60.6 863.4 863.5 328.7 863.6 0.02 TRP 366 7399 -43.7 -58.7 17 15.0 -44.2 285 49 305.9 305.9 283.8 306.0 0.04 WND 298 8785 -43.7 -70.5 4 26.8 -44.4 295 60 324.3 324.3 290.1 324.4 0.01 Sounding variables and indices 1000-500 mb thick: 5294.00 m Freezing level: 915.90 mb = 668.58 m = 2193.47 ft Wetbulb zero: 929.94 mb = 545.96 m = 1791.18 ft Precipitable water: 0.40 inches Sfc-500 mean rel hum: 67.69 % Est. max temperature: 8.78 C = 47.80 F Sfc-Lift cond lev (LCL): 952.60 mb = 355.97 m = 1167.87 ft T: 2.59 C 700-500 lapse rate: 6.44 C/km ThetaE index: 1.97 C Layer 925.0- 878.0 mb Conv cond level (CCL): 900.40 mb = 803.20 m = 2635.15 ft Mean mixing ratio: 3.95 g/kg Conv temperature: 6.48 C = 43.66 F Cap Strength: 5.69 C Lifted Index: 5.76 C Risk: None Lifted Index @300 mb: 23.43 C Lifted Index @700 mb: 1.20 C Showalter Index: 5.94 C Risk: None Total Totals Index: 50.20 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.20 C Cross Totals Index: 24.00 C K Index: 16.50 Risk: < 20 % chance of thunderstorms Sweat Index: 86.00 Risk: None Energy Index: 1.52 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.20 J/kg Max Up Vert Vel: 3.22 m/s Conv Inhibition (B-): 74738.02 J/kg Cap Strength: 5.67 C Lift Cond Lev (LCL): 908.86 mb = 728.53 m = 2390.16 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 301 at 17 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 52 305 8 6.6 -4.6 | 118 9 -8.0 4.3 1 925 588 275 14 13.9 -1.2 | 175 8 -0.6 7.6 2 850 1261 285 16 15.5 -4.1 | 191 5 0.9 4.7 3 700 2766 250 22 20.7 7.5 | 200 17 6.1 16.4 4 500 5250 280 30 29.5 -5.2 | 256 15 15.0 3.7 5 400 6800 285 40 38.6 -10.4 | 274 24 24.1 -1.5 6 366 7399 285 49 47.3 -12.7 | 277 33 32.8 -3.8 7 300 8740 295 59 53.5 -24.9 | 292 42 38.9 -16.1 8 298 8785 295 60 54.4 -25.4 | 292 43 39.8 -16.5 9 250 9980 280 45 44.3 -7.8 | 268 30 29.8 1.1 10 200 11500 270 37 37.0 -0.0 | 248 24 22.4 8.9 11 150 13430 280 36 35.5 -6.3 | 263 21 20.9 2.6 12 100 16110 260 26 25.6 4.5 | 220 17 11.0 13.4 13 70 18410 260 28 27.6 4.9 | 223 19 13.0 13.7 14 50 20560 245 25 22.7 10.6 | 203 21 8.1 19.4 15 30 23770 270 12 12.0 -0.0 | 164 9 -2.6 8.9 16 20 26300 300 20 17.3 -10.0 | 292 3 2.8 -1.1 17 10 30610 260 34 33.5 5.9 | 232 24 18.9 14.8 Wind Parameters Mean winds (0-6000m): 271.3 at 22.7 knts Storm direction: 301.3 at 17.0 knts Shear (0-3000m) pos: 0.4 neg: 3.2 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 87.6 deg Storm rel helicity (0-3000m) pos: 25.6 neg: -4.1 tot: 21.5 m^2/s^2 ave: 7.2 10^-3 m/s^2 rel: 0.42 Storm rel vorticity (0-3000m) horiz: 4.4 stream: 1.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.25 Bulk Shear: 21.21 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 ------------------------------------------------------------------------------- 500 287 11 144 7| 0.0 7.8 7.8| 12.2 0.0 12.2 24.5 0.85| 7.9 6.8 1000 282 13 161 7| 1.1 3.9 5.0| 15.1 0.0 15.1 15.1 0.79| 5.3 4.2 1500 282 14 170 6| 0.7 3.3 4.0| 17.4 0.0 17.4 11.6 0.71| 4.7 3.3 2000 279 15 182 7| 0.6 3.4 3.9| 18.5 0.0 18.5 9.3 0.58| 4.6 2.6 2500 274 16 190 8| 0.4 3.5 3.9| 18.5 -2.0 16.5 6.6 0.43| 4.6 2.0 3000 269 17 195 10| 0.4 3.2 3.6| 25.6 -4.1 21.5 7.2 0.42| 4.4 1.8 4000 266 19 203 11| 1.1 2.4 3.5| 51.5 -4.1 47.4 11.9 0.52| 4.1 2.1 5000 268 21 213 11| 1.5 1.9 3.4| 78.8 -4.1 74.7 14.9 0.61| 4.0 2.4 6000 271 23 224 12| 1.8 1.6 3.4| 98.9 -4.1 94.9 15.8 0.61| 3.9 2.4 Wrote GIF file: /home/apache/climate/data/raob//BIKF/skewt/BIKF.skewt.20251007.11.gif