UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102723.upa.cvt Date: 2300Z 27 OCT 25 Searching for BIKF... Searching the city database file for: BIKF ... Date:2300Z 27 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 27 65 7 SFC 998 52 1.2 0.4 94 0.8 0.8 65 7 274.5 275.2 274.1 285.2 3.94 2 925 651 -1.3 -2.0 95 0.7 -1.6 75 9 278.0 278.6 275.5 287.8 3.56 3 855 1273 -5.5 -6.0 96 0.5 -5.7 135 28 279.9 280.4 275.6 288.0 2.85 4 850 1319 -5.1 -5.5 97 0.4 -5.3 140 29 280.8 281.3 276.3 289.2 2.98 5 837 1440 -4.7 -5.4 95 0.7 -5.0 144 27 282.5 283.0 277.2 291.1 3.05 6 783 1963 -7.3 -7.8 96 0.5 -7.5 161 20 285.1 285.6 278.1 292.9 2.71 7 782 1972 -7.3 -7.8 96 0.5 -7.5 161 20 285.2 285.7 278.2 293.1 2.71 8 700 2826 -13.3 -14.3 92 1.0 -13.6 190 8 287.8 288.1 278.2 293.1 1.80 9 563 4442 -25.5 -28.7 75 3.2 -25.9 235 9 291.9 292.0 278.6 293.9 0.64 10 521 4998 -29.7 -30.3 94 0.6 -29.8 251 10 293.4 293.5 279.2 295.3 0.59 11 504 5234 -31.5 -35.0 71 3.5 -31.9 258 10 294.0 294.0 279.2 295.2 0.39 12 500 5290 -31.9 -35.3 72 3.4 -32.2 260 10 294.1 294.2 279.3 295.4 0.38 13 482 5549 -33.9 -35.9 82 2.0 -34.1 262 11 294.8 294.8 279.6 296.0 0.37 14 471 5711 -35.3 -38.1 75 2.8 -35.5 264 11 295.0 295.1 279.6 296.0 0.30 15 422 6474 -39.3 -42.6 71 3.3 -39.5 271 14 299.3 299.3 281.3 300.0 0.21 16 400 6840 -42.1 -44.7 76 2.6 -42.2 275 15 300.3 300.3 281.7 300.9 0.18 17 342 7879 -49.5 -54.5 56 5.0 -49.6 270 19 304.0 304.0 283.1 304.2 0.07 18 300 8720 -56.9 -61.2 58 4.3 -57.0 265 23 305.1 305.1 283.5 305.3 0.03 19 290 8935 -57.9 -62.3 57 4.4 -58.0 265 23 306.7 306.7 284.1 306.8 0.03 20 282 9111 -58.9 -63.1 58 4.2 -59.0 265 22 307.7 307.7 284.5 307.8 0.03 21 278 9200 -59.1 -60.0 89 0.9 -59.1 265 22 308.7 308.7 284.9 308.8 0.04 22 277 9223 -59.1 -60.7 82 1.6 -59.1 265 22 309.0 309.0 285.0 309.2 0.04 23 268 9431 -58.5 -66.5 35 8.0 -58.6 265 22 312.8 312.8 286.4 312.9 0.02 24 260 9622 -58.5 -70.5 20 12.0 -58.6 265 21 315.5 315.5 287.3 315.6 0.01 25 250 9870 -55.7 -72.7 10 17.0 -55.9 265 21 323.3 323.3 289.8 323.3 0.01 26 221 10662 -51.5 -74.5 5 23.0 -51.9 273 18 341.3 341.3 294.7 341.4 0.01 27 200 11310 -51.5 -76.5 3 25.0 -51.9 280 16 351.2 351.2 296.9 351.2 0.01 28 171 12329 -50.7 -77.7 3 27.0 -51.2 280 19 368.6 368.6 300.3 368.7 0.01 29 150 13180 -51.9 -78.9 3 27.0 -52.4 280 22 380.6 380.6 302.3 380.7 0.01 30 100 15790 -54.5 -80.5 3 26.0 -55.1 290 24 422.4 422.4 308.0 422.5 0.01 31 70 18050 -57.9 -84.9 2 27.0 -58.5 280 26 460.5 460.5 311.8 460.5 0.00 32 50 20150 -61.9 -86.9 2 25.0 -62.4 300 23 497.6 497.6 314.8 497.6 0.00 33 30 23270 -67.5 -90.5 2 23.0 -67.8 305 17 560.6 560.6 318.7 560.6 0.00 34 24 24611 -68.3 -91.3 2 23.0 -68.7 308 21 595.2 595.2 320.4 595.3 0.00 35 23 24868 -66.1 -90.1 2 24.0 -66.7 308 22 609.0 609.0 321.0 609.0 0.00 36 20 25710 -68.9 -91.9 2 23.0 -69.4 310 25 625.3 625.3 321.7 625.3 0.00 37 17 26678 -70.9 -92.9 2 22.0 -71.3 648.6 648.6 322.6 648.6 0.00 TRP 277 9223 -59.1 -60.7 82 1.6 -59.1 265 22 309.0 309.0 285.0 309.2 0.04 WND Sounding variables and indices 1000-500 mb thick: 5263.00 m Freezing level: 962.96 mb = 339.52 m = 1113.90 ft Wetbulb zero: 972.47 mb = 256.33 m = 840.97 ft Precipitable water: 0.46 inches Sfc-500 mean rel hum: 89.28 % Est. max temperature: 7.75 C = 45.94 F Sfc-Lift cond lev (LCL): 985.64 mb = 150.26 m = 492.96 ft T: 0.79 C 700-500 lapse rate: 7.55 C/km Conv cond level (CCL): 916.80 mb = 721.41 m = 2366.79 ft Mean mixing ratio: 3.66 g/kg Conv temperature: 4.89 C = 40.80 F Cap Strength: 6.57 C Lifted Index: 6.69 C Risk: None Lifted Index @300 mb: 12.98 C Lifted Index @700 mb: 4.43 C Showalter Index: 4.91 C Risk: None Total Totals Index: 53.20 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.80 C Cross Totals Index: 26.40 C K Index: 20.30 Risk: 20-40 % chance of thunderstorms Sweat Index: 152.00 Risk: None Energy Index: 1.27 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.70 J/kg Max Up Vert Vel: 5.60 m/s Conv Inhibition (B-): 46066.91 J/kg Cap Strength: 6.54 C Lift Cond Lev (LCL): 935.95 mb = 558.17 m = 1831.25 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 206 at 9 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 ---------------------------------------------------------- 0 998 52 65 7 -6.3 -3.0 | 43 16 -10.5 -11.4 1 925 651 75 9 -8.7 -2.3 | 50 17 -12.9 -10.8 2 850 1319 140 29 -18.6 22.2 | 121 27 -22.8 13.7 3 700 2826 190 8 1.4 7.9 | 78 3 -2.8 -0.6 4 500 5290 260 10 9.8 1.7 | 320 9 5.7 -6.7 5 400 6840 275 15 14.9 -1.3 | 312 15 10.8 -9.8 6 300 8720 265 23 22.9 2.0 | 289 20 18.8 -6.5 7 277 9223 265 22 21.9 1.9 | 290 19 17.8 -6.6 8 250 9870 265 21 20.9 1.8 | 292 18 16.8 -6.6 9 200 11310 280 16 15.8 -2.8 | 314 16 11.6 -11.2 10 150 13180 280 22 21.7 -3.8 | 305 21 17.5 -12.3 11 100 15790 290 24 22.6 -8.2 | 312 25 18.4 -16.7 12 70 18050 280 26 25.6 -4.5 | 301 25 21.4 -13.0 13 50 20150 300 23 19.9 -11.5 | 322 25 15.8 -20.0 14 30 23270 305 17 13.9 -9.8 | 332 21 9.8 -18.2 15 20 25710 310 25 19.2 -16.1 | 329 29 15.0 -24.5 Wind Parameters Mean winds (0-6000m): 176.1 at 12.6 knts Storm direction: 206.1 at 9.4 knts Shear (0-3000m) pos: 2.4 neg: 0.0 tot: 2.4 10-3/s Storm rel Dir Shear (0-3000m): 28.8 deg Storm rel helicity (0-3000m) pos: 205.6 neg: -4.5 tot: 201.1 m^2/s^2 ave: 67.0 10^-3 m/s^2 rel: 0.53 Storm rel vorticity (0-3000m) horiz: 10.2 stream: 5.4 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.43 Bulk Shear: 36.38 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 70 8 46 16| 2.1 0.0 2.1| 7.3 0.0 7.3 14.6 0.85| 2.1 1.8 1000 88 11 59 17| 8.9 0.0 8.9| 86.4 0.0 86.4 86.4 0.90| 9.4 8.4 1500 120 16 88 18| 8.9 0.0 8.9|189.9 0.0 189.9 126.6 0.88| 12.6 11.0 2000 131 17 100 18| 5.4 0.0 5.4|204.6 0.0 204.6 102.3 0.76| 11.9 9.1 2500 136 17 103 16| 3.3 0.0 3.3|205.6 -1.5 204.1 81.6 0.64| 11.2 7.1 3000 138 16 103 15| 2.4 0.0 2.4|205.6 -4.5 201.1 67.0 0.53| 10.2 5.4 4000 149 14 107 12| 2.0 0.0 2.0|205.6 -5.5 200.1 50.0 0.45| 8.2 3.7 5000 161 13 114 9| 1.7 0.0 1.7|206.5 -5.6 201.0 40.2 0.43| 7.0 3.0 6000 176 13 129 6| 1.6 0.0 1.6|207.2 -8.2 199.0 33.2 0.39| 6.2 2.4 Wrote GIF file: /home/apache/climate/data/raob//BIKF/skewt/BIKF.skewt.20251027.23.gif