UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121312.upa.cvt Date: 1200Z 13 DEC 25 Searching for BIKF... Searching the city database file for: BIKF ... Date:1200Z 13 DEC 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 -189 SFC 973 52 3.2 2.1 92 1.1 2.7 120 7 278.5 279.3 277.2 291.1 4.57 2 968 92 4.8 2.4 84 2.4 3.7 124 7 280.5 281.3 278.4 293.5 4.70 3 925 447 2.6 0.2 84 2.4 1.5 155 9 282.0 282.7 278.4 293.7 4.19 4 870 940 -1.5 -1.5 100 0.0 -1.5 155 10 282.7 283.4 278.5 293.7 3.93 5 850 1125 -2.3 -3.2 94 0.9 -2.7 155 11 283.7 284.3 278.5 293.8 3.55 6 819 1419 -4.3 -4.3 100 0.0 -4.3 163 11 284.6 285.2 278.8 294.3 3.39 7 811 1496 -3.5 -11.5 54 8.0 -6.1 165 11 286.3 286.6 277.7 292.1 1.95 8 793 1673 -3.7 -16.7 36 13.0 -7.4 169 11 287.9 288.2 277.6 291.9 1.30 9 739 2226 -6.7 -25.7 20 19.0 -10.9 184 10 290.5 290.6 277.9 292.5 0.64 10 700 2647 -9.7 -28.7 20 19.0 -13.4 195 10 291.7 291.8 278.3 293.4 0.51 11 646 3261 -14.1 -40.1 9 26.0 -17.6 211 18 293.5 293.6 278.7 294.1 0.18 12 630 3451 -15.1 -21.1 60 6.0 -16.5 215 20 294.5 294.7 280.5 298.0 1.13 13 616 3621 -16.3 -21.1 66 4.8 -17.4 220 23 295.0 295.2 280.7 298.6 1.15 14 572 4173 -21.3 -22.8 88 1.5 -21.6 234 30 295.5 295.7 280.8 298.8 1.07 15 557 4369 -22.1 -30.1 48 8.0 -23.4 239 32 296.8 296.9 280.7 298.6 0.56 16 544 4542 -21.7 -46.7 9 25.0 -24.1 244 35 299.3 299.3 281.2 299.7 0.11 17 500 5160 -24.7 -46.7 11 22.0 -26.6 260 43 302.9 302.9 282.7 303.3 0.11 18 487 5351 -25.5 -46.5 12 21.0 -27.3 258 44 304.2 304.3 283.2 304.7 0.12 19 400 6740 -37.9 -51.9 22 14.0 -38.6 245 54 305.7 305.7 283.8 306.0 0.08 20 391 6896 -39.3 -53.3 21 14.0 -39.9 244 55 305.9 305.9 283.8 306.2 0.07 21 311 8417 -52.3 -55.9 65 3.6 -52.4 230 62 308.4 308.4 284.8 308.7 0.06 22 310 8438 -52.2 -56.7 58 4.5 -52.3 230 62 308.9 308.9 284.9 309.1 0.06 23 300 8650 -51.1 -65.1 17 14.0 -51.4 240 49 313.3 313.3 286.5 313.4 0.02 24 251 9804 -50.5 -74.5 4 24.0 -50.8 235 55 330.6 330.6 291.9 330.6 0.01 25 250 9830 -50.5 -75.5 4 25.0 -50.8 235 55 331.0 331.0 292.0 331.0 0.01 26 200 11280 -53.7 -79.7 3 26.0 -54.0 225 38 347.7 347.7 296.1 347.7 0.00 27 197 11377 -54.1 -80.1 3 26.0 -54.4 226 38 348.6 348.6 296.3 348.6 0.00 28 185 11784 -50.5 -80.5 2 30.0 -51.0 228 39 360.8 360.8 298.8 360.8 0.00 29 157 12847 -53.9 -82.9 2 29.0 -54.3 233 40 372.3 372.3 300.9 372.3 0.00 30 150 13140 -53.7 -82.7 2 29.0 -54.1 235 40 377.5 377.5 301.9 377.6 0.00 31 125 14304 -55.1 -84.1 2 29.0 -55.5 237 48 395.2 395.2 304.5 395.2 0.00 32 113 14941 -58.5 -85.5 2 27.0 -58.8 238 53 400.5 400.5 305.3 400.5 0.00 33 100 15710 -56.9 -84.9 2 28.0 -57.3 240 58 417.8 417.8 307.4 417.8 0.00 34 70 17950 -60.7 -87.7 2 27.0 -61.1 235 46 454.5 454.5 311.3 454.5 0.00 35 61 18799 -64.3 -88.3 2 24.0 -64.6 237 42 464.8 464.8 312.2 464.8 0.00 36 53 19662 -62.9 -88.9 2 26.0 -63.3 239 37 487.1 487.1 314.0 487.1 0.00 37 50 20020 -64.5 -89.5 2 25.0 -64.8 240 35 491.5 491.5 314.3 491.5 0.00 38 42 21075 -67.7 -90.7 2 23.0 -67.9 242 39 508.7 508.7 315.5 508.7 0.00 39 40 21369 -65.9 -89.9 2 24.0 -66.2 242 40 520.4 520.4 316.3 520.4 0.00 40 37 21839 -68.7 -90.7 3 22.0 -68.9 243 42 524.9 524.9 316.6 524.9 0.00 41 35 22173 -65.7 -89.7 2 24.0 -66.1 243 43 541.1 541.1 317.6 541.2 0.00 42 30 23100 -69.5 -91.5 3 22.0 -69.8 245 47 555.2 555.2 318.4 555.2 0.00 43 27 23724 -71.9 -91.9 3 20.0 -72.1 240 55 565.4 565.4 318.9 565.4 0.00 44 20 25490 -72.3 -93.3 3 21.0 -72.6 225 77 614.9 614.9 321.3 614.9 0.00 45 15 27206 -66.9 -91.9 2 25.0 -67.7 231 69 685.5 685.5 324.0 685.6 0.01 46 10 29600 -76.3 -96.3 3 20.0 -76.6 240 58 734.7 734.7 325.5 734.8 0.00 47 8.9 30283 -69.7 -93.7 2 24.0 -70.5 785.1 785.1 326.8 785.2 0.01 48 8.6 30487 -70.3 -93.3 2 23.0 -71.1 790.5 790.5 327.0 790.6 0.01 TRP 311 8417 -52.3 -55.9 65 3.6 -52.4 230 62 308.4 308.4 284.8 308.7 0.06 WND 310 8438 -52.2 -56.7 58 4.5 -52.3 230 62 308.9 308.9 284.9 309.1 0.06 Sounding variables and indices 1000-500 mb thick: 5349.00 m Freezing level: 890.12 mb = 759.47 m = 2491.68 ft Wetbulb zero: 897.14 mb = 692.80 m = 2272.93 ft Precipitable water: 0.35 inches Sfc-500 mean rel hum: 49.65 % Est. max temperature: 9.16 C = 48.49 F Sfc-Lift cond lev (LCL): 956.49 mb = 185.66 m = 609.13 ft T: 4.22 C 700-500 lapse rate: 5.97 C/km ThetaE index: 2.45 C Layer 811.0- 739.0 mb Conv cond level (CCL): 887.19 mb = 782.49 m = 2567.21 ft Mean mixing ratio: 4.25 g/kg Conv temperature: 7.12 C = 44.81 F Cap Strength: 6.58 C Lifted Index: 8.85 C Risk: None Lifted Index @300 mb: 14.04 C Lifted Index @700 mb: 3.58 C Showalter Index: 8.68 C Risk: None Total Totals Index: 43.90 C Risk: None Vertical Totals Index: 22.40 C Cross Totals Index: 21.50 C K Index: 0.20 Risk: None Sweat Index: 65.00 Risk: None Energy Index: 1.98 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.08 J/kg Max Up Vert Vel: 4.26 m/s Conv Inhibition (B-): 51498.29 J/kg Cap Strength: 8.46 C Lift Cond Lev (LCL): 896.92 mb = 694.77 m = 2279.40 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 269 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 ---------------------------------------------------------- 0 973 52 120 7 -6.1 3.5 | 98 23 -23.0 3.2 1 925 447 155 9 -3.8 8.2 | 111 22 -20.7 7.9 2 850 1125 155 11 -4.6 10.0 | 114 24 -21.6 9.7 3 700 2647 195 10 2.6 9.7 | 123 17 -14.3 9.4 4 500 5160 260 43 42.3 7.5 | 254 26 25.4 7.2 5 400 6740 245 54 48.9 22.8 | 235 39 32.0 22.6 6 311 8417 230 62 47.5 39.9 | 218 50 30.6 39.6 7 310 8438 230 62 47.5 39.9 | 218 50 30.6 39.6 8 300 8650 240 49 42.4 24.5 | 226 35 25.5 24.2 9 250 9830 235 55 45.1 31.5 | 222 42 28.1 31.3 10 200 11280 225 38 26.9 26.9 | 200 28 9.9 26.6 11 150 13140 235 40 32.8 22.9 | 215 28 15.8 22.7 12 100 15710 240 58 50.2 29.0 | 229 44 33.3 28.7 13 70 17950 235 46 37.7 26.4 | 218 33 20.8 26.1 14 50 20020 240 35 30.3 17.5 | 218 22 13.4 17.2 15 30 23100 245 47 42.6 19.9 | 233 32 25.7 19.6 16 20 25490 225 77 54.4 54.4 | 215 66 37.5 54.2 17 10 29600 240 58 50.2 29.0 | 229 44 33.3 28.7 Wind Parameters Mean winds (0-6000m): 239.1 at 22.6 knts Storm direction: 269.1 at 16.9 knts Shear (0-3000m) pos: 2.7 neg: 0.3 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 44.7 deg Storm rel helicity (0-3000m) pos: 83.9 neg: 0.0 tot: 83.9 m^2/s^2 ave: 28.0 10^-3 m/s^2 rel: 0.77 Storm rel vorticity (0-3000m) horiz: 3.5 stream: 2.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.11 Bulk Shear: 81.37 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 ------------------------------------------------------------------------------- 500 143 8 106 23| 5.5 0.0 5.5| 32.3 0.0 32.3 64.6 0.96| 5.7 5.5 1000 150 9 110 23| 2.8 0.8 3.5| 38.3 0.0 38.3 38.3 0.90| 3.6 3.3 1500 153 10 112 23| 2.4 0.5 2.9| 47.2 0.0 47.2 31.4 0.84| 3.2 2.7 2000 158 10 114 22| 2.2 0.4 2.6| 53.7 0.0 53.7 26.8 0.76| 3.0 2.3 2500 164 10 115 22| 2.1 0.3 2.4| 57.3 0.0 57.3 22.9 0.69| 2.9 2.0 3000 170 10 118 21| 2.7 0.3 3.0| 83.9 0.0 83.9 28.0 0.77| 3.5 2.7 4000 194 13 132 19| 4.1 0.2 4.3|159.4 0.0 159.4 39.8 0.87| 4.7 4.1 5000 225 18 161 13| 4.9 0.2 5.0|267.8 0.0 267.8 53.6 0.89| 5.9 5.3 6000 239 23 192 12| 4.1 0.8 4.9|281.8 -46.0 235.8 39.3 0.69| 5.9 4.1 Wrote GIF file: /home/apache/climate/data/raob//BIKF/skewt/BIKF.skewt.20251213.12.gif