UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121211.upa.cvt Date: 1100Z 12 DEC 25 Searching for BIKF... Searching the city database file for: BIKF ... Date:1100Z 12 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 -255 SFC 965 52 3.4 1.6 88 1.8 2.6 75 19 279.4 280.1 277.4 291.6 4.45 2 948 189 2.2 0.7 90 1.5 1.5 85 27 279.6 280.3 277.3 291.3 4.24 3 936 287 3.6 0.6 81 3.0 2.2 93 33 282.0 282.8 278.6 294.0 4.27 4 925 379 3.2 0.5 82 2.7 2.0 100 39 282.6 283.3 278.9 294.6 4.28 5 850 1060 -0.7 -1.9 92 1.2 -1.2 115 34 285.4 286.1 279.8 296.5 3.91 6 822 1326 -2.9 -2.9 100 0.0 -2.9 118 32 285.8 286.5 279.8 296.5 3.75 7 773 1811 -5.9 -6.3 97 0.4 -6.1 122 28 287.7 288.2 279.8 296.6 3.08 8 706 2516 -9.5 -16.5 57 7.0 -11.5 129 22 291.3 291.5 279.4 295.8 1.49 9 700 2582 -10.1 -17.1 57 7.0 -12.0 130 21 291.3 291.6 279.4 295.7 1.43 10 676 2850 -12.1 -15.0 79 2.9 -12.9 129 22 292.0 292.3 280.1 297.3 1.76 11 664 2987 -12.9 -21.9 47 9.0 -15.0 128 22 292.6 292.8 279.4 295.7 1.00 12 622 3482 -17.5 -21.3 72 3.8 -18.3 126 23 292.8 293.0 279.7 296.3 1.12 13 605 3689 -18.9 -25.9 54 7.0 -20.2 126 24 293.5 293.7 279.6 296.0 0.76 14 586 3926 -20.7 -24.9 69 4.2 -21.5 125 25 294.1 294.3 280.0 296.9 0.86 15 584 3952 -20.9 -22.2 89 1.3 -21.2 125 25 294.2 294.4 280.3 297.7 1.10 16 572 4105 -22.3 -24.6 82 2.3 -22.7 124 25 294.3 294.5 280.1 297.2 0.91 17 563 4221 -23.1 -35.1 32 12.0 -24.6 124 26 294.7 294.8 279.5 295.8 0.34 18 543 4486 -25.1 -44.1 15 19.0 -26.8 122 26 295.4 295.4 279.5 295.9 0.14 19 500 5080 -29.9 -37.9 46 8.0 -30.7 120 28 296.6 296.6 280.3 297.6 0.29 20 494 5166 -30.5 -36.5 56 6.0 -31.1 120 28 296.9 296.9 280.4 298.0 0.34 21 427 6179 -39.7 -42.6 74 2.9 -39.9 116 25 297.8 297.8 280.7 298.5 0.21 22 415 6372 -41.5 -51.5 33 10.0 -41.9 116 25 297.9 297.9 280.6 298.2 0.08 23 401 6603 -43.7 -49.7 51 6.0 -43.9 115 24 298.0 298.0 280.6 298.3 0.10 24 400 6620 -43.7 -48.4 60 4.7 -43.9 115 24 298.2 298.2 280.7 298.6 0.12 25 399 6637 -43.9 -47.8 65 3.9 -44.0 115 24 298.1 298.2 280.7 298.6 0.13 26 395 6705 -44.1 -54.1 32 10.0 -44.4 116 24 298.7 298.8 280.9 299.0 0.06 27 387 6842 -45.3 -63.3 11 18.0 -45.7 118 23 298.9 298.9 280.9 299.0 0.02 28 374 7070 -46.5 -62.5 15 16.0 -46.9 121 22 300.3 300.3 281.5 300.4 0.02 29 372 7105 -46.5 -56.5 31 10.0 -46.8 122 22 300.7 300.7 281.7 300.9 0.05 30 370 7141 -46.7 -48.3 84 1.6 -46.7 122 22 300.9 301.0 281.9 301.4 0.13 31 362 7286 -47.7 -50.5 73 2.8 -47.8 124 22 301.5 301.5 282.1 301.9 0.10 32 354 7433 -48.7 -54.7 50 6.0 -48.8 126 21 302.1 302.1 282.3 302.3 0.06 33 350 7508 -48.7 -62.7 18 14.0 -49.0 127 21 303.1 303.1 282.7 303.1 0.02 34 340 7698 -50.3 -62.3 23 12.0 -50.5 130 20 303.4 303.4 282.8 303.5 0.03 35 323 8033 -50.7 -66.7 13 16.0 -51.0 146 15 307.3 307.3 284.3 307.4 0.02 36 307 8367 -47.1 -70.1 5 23.0 -47.5 163 9 316.9 316.9 287.7 316.9 0.01 37 300 8520 -48.1 -70.1 6 22.0 -48.5 170 7 317.6 317.6 287.9 317.6 0.01 38 269 9233 -51.1 -72.1 6 21.0 -51.4 188 13 323.3 323.3 289.8 323.3 0.01 39 250 9710 -49.7 -76.7 3 27.0 -50.1 200 17 332.2 332.2 292.3 332.2 0.00 40 228 10314 -49.3 -79.3 2 30.0 -49.8 202 18 341.7 341.7 294.7 341.7 0.00 41 200 11170 -50.9 -80.9 2 30.0 -51.4 205 20 352.2 352.2 297.1 352.2 0.00 42 150 13030 -52.5 -83.5 1 31.0 -53.0 205 12 379.6 379.6 302.2 379.6 0.00 43 137 13616 -51.9 -82.9 1 31.0 -52.5 211 15 390.6 390.6 303.9 390.7 0.00 44 101 15567 -57.1 -85.1 2 28.0 -57.5 229 24 416.2 416.2 307.3 416.2 0.00 45 100 15630 -57.1 -86.1 1 29.0 -57.5 230 24 417.4 417.4 307.4 417.4 0.00 46 70 17900 -56.5 -86.5 1 30.0 -57.1 195 39 463.5 463.5 312.1 463.5 0.00 47 65 18371 -54.3 -85.3 1 31.0 -55.2 196 39 478.2 478.2 313.3 478.3 0.00 48 50 20030 -59.1 -88.1 1 29.0 -59.7 200 37 504.2 504.2 315.2 504.2 0.00 49 45 20686 -62.3 -89.3 2 27.0 -62.8 198 37 511.9 511.9 315.8 511.9 0.00 50 43 20967 -61.3 -89.3 1 28.0 -61.9 197 37 521.0 521.0 316.4 521.0 0.00 51 30 23190 -63.5 -90.5 1 27.0 -64.1 190 36 571.5 571.5 319.2 571.5 0.00 52 24 24551 -64.9 -90.9 2 26.0 -65.5 207 51 605.1 605.1 320.9 605.1 0.00 53 20 25640 -72.3 -93.3 3 21.0 -72.6 220 63 614.9 614.9 321.3 614.9 0.00 54 19 25940 -73.3 -94.3 3 21.0 -73.6 222 63 620.8 620.8 321.5 620.9 0.00 55 16 26955 -68.7 -92.7 2 24.0 -69.2 230 61 667.1 667.1 323.3 667.2 0.00 56 14 27756 -66.7 -91.7 2 25.0 -67.5 235 60 699.9 699.9 324.4 699.9 0.01 57 10 29780 -68.1 -93.1 2 25.0 -69.0 250 58 765.3 765.4 326.4 765.4 0.01 58 9.9 29840 -68.1 -93.1 2 25.0 -69.0 767.6 767.6 326.4 767.6 0.01 59 8.3 30882 -74.7 -95.7 2 21.0 -75.2 781.3 781.3 326.8 781.3 0.00 60 7.8 31246 -71.9 -95.9 2 24.0 -72.6 806.5 806.5 327.4 806.5 0.00 TRP 340 7698 -50.3 -62.3 23 12.0 -50.5 130 20 303.4 303.4 282.8 303.5 0.03 WND Sounding variables and indices 1000-500 mb thick: 5335.00 m Freezing level: 863.46 mb = 937.77 m = 3076.63 ft Wetbulb zero: 878.43 mb = 794.99 m = 2608.21 ft Precipitable water: 0.44 inches Sfc-500 mean rel hum: 68.61 % Est. max temperature: 10.04 C = 50.07 F Sfc-Lift cond lev (LCL): 938.44 mb = 267.38 m = 877.22 ft T: 3.31 C 700-500 lapse rate: 7.93 C/km ThetaE index: 0.96 C Layer 706.0- 676.0 mb Conv cond level (CCL): 845.84 mb = 1098.99 m = 3605.58 ft Mean mixing ratio: 4.20 g/kg Conv temperature: 9.43 C = 48.98 F Cap Strength: 2.96 C Lifted Index: 3.13 C Risk: None Lifted Index @300 mb: 16.57 C Lifted Index @700 mb: 2.77 C Showalter Index: 1.49 C Risk: Showers probable Total Totals Index: 57.20 C Risk: Severe Thunderstorms probable Vertical Totals Index: 29.20 C Cross Totals Index: 28.00 C K Index: 20.30 Risk: 20-40 % chance of thunderstorms Sweat Index: 260.00 Risk: None Energy Index: 0.20 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 21.27 J/kg Max Up Vert Vel: 6.52 m/s Conv Inhibition (B-): 57691.23 J/kg Cap Strength: 3.10 C Lift Cond Lev (LCL): 883.79 mb = 746.07 m = 2447.70 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 148 at 20 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 ---------------------------------------------------------- 0 965 52 75 19 -18.4 -4.9 | 19 23 -7.6 -22.2 1 925 379 100 39 -38.4 6.8 | 69 30 -27.7 -10.5 2 850 1060 115 34 -30.8 14.4 | 82 20 -20.1 -2.9 3 700 2582 130 21 -16.1 13.5 | 55 7 -5.4 -3.8 4 500 5080 120 28 -24.2 14.0 | 76 14 -13.5 -3.3 5 400 6620 115 24 -21.8 10.1 | 57 13 -11.0 -7.2 6 340 7698 130 20 -15.3 12.9 | 46 6 -4.6 -4.4 7 300 8520 170 7 -1.2 6.9 | 318 14 9.5 -10.4 8 250 9710 200 17 5.8 16.0 | 275 17 16.5 -1.3 9 200 11170 205 20 8.5 18.1 | 268 19 19.2 0.8 10 150 13030 205 12 5.1 10.9 | 292 17 15.8 -6.4 11 100 15630 230 24 18.4 15.4 | 274 29 29.1 -1.9 12 70 17900 195 39 10.1 37.7 | 226 29 20.8 20.4 13 50 20030 200 37 12.7 34.8 | 233 29 23.4 17.5 14 30 23190 190 36 6.3 35.5 | 223 25 17.0 18.2 15 20 25640 220 63 40.5 48.3 | 239 60 51.2 31.0 16 10 29780 250 58 54.5 19.8 | 268 65 65.2 2.5 Wind Parameters Mean winds (0-6000m): 118.2 at 27.1 knts Storm direction: 148.2 at 20.4 knts Shear (0-3000m) pos: 3.2 neg: 0.2 tot: 3.4 10-3/s Storm rel Dir Shear (0-3000m): 43.8 deg Storm rel helicity (0-3000m) pos: 195.0 neg: -11.3 tot: 183.6 m^2/s^2 ave: 61.2 10^-3 m/s^2 rel: 0.50 Storm rel vorticity (0-3000m) horiz: 8.5 stream: 4.3 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 1.04 Bulk Shear: 20.51 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 96 32 57 25| 23.6 0.0 23.6|168.7 0.0 168.7 337.5 0.94| 26.7 25.2 1000 103 34 66 25| 11.8 0.0 11.8|193.1 0.0 193.1 193.1 0.84| 17.4 14.6 1500 107 33 71 22| 7.2 0.0 7.2|193.4 -1.3 192.1 128.1 0.72| 13.3 9.6 2000 110 32 72 20| 5.1 0.0 5.1|193.4 -5.4 188.0 94.0 0.61| 11.3 6.9 2500 113 30 72 18| 3.8 0.0 3.8|193.4 -11.2 182.1 72.9 0.50| 10.0 5.0 3000 115 29 71 16| 3.2 0.2 3.4|195.0 -11.3 183.6 61.2 0.50| 8.5 4.3 4000 117 28 71 15| 2.4 0.6 3.0|198.5 -11.3 187.1 46.8 0.50| 6.8 3.4 5000 118 27 71 14| 1.9 0.8 2.7|201.1 -11.3 189.7 37.9 0.48| 5.8 2.8 6000 118 27 71 14| 1.6 0.6 2.2|201.1 -21.6 179.5 29.9 0.41| 5.1 2.1 Wrote GIF file: /home/apache/climate/data/raob//BIKF/skewt/BIKF.skewt.20251212.11.gif