UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042911.upa.cvt Date: 1100Z 29 APR 25 Searching for BIKF... Searching the city database file for: BIKF ... Date:1100Z 29 APR 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 ------------------------------------------------------------------------------- SFC 1010 52 8.2 2.2 66 6.0 5.4 160 5 280.6 281.3 278.1 292.8 4.44 1 1000 119 6.8 2.1 72 4.7 4.6 170 9 280.0 280.7 277.8 292.2 4.45 2 925 753 1.0 -0.4 90 1.4 0.4 155 11 280.3 281.0 277.4 291.5 4.01 3 875 1197 -2.5 -2.8 98 0.3 -2.6 175 10 281.2 281.8 277.2 291.1 3.55 4 870 1243 0.0 -8.0 55 8.0 -2.9 177 10 284.2 284.7 277.3 291.2 2.40 5 869 1252 0.0 -7.0 59 7.0 -2.6 177 10 284.3 284.8 277.6 291.8 2.60 6 850 1429 -0.7 -9.7 51 9.0 -3.8 185 9 285.4 285.8 277.5 291.7 2.15 7 767 2244 -4.1 -22.1 23 18.0 -8.6 217 13 290.3 290.4 278.1 292.9 0.85 8 727 2663 -7.5 -24.5 24 17.0 -11.3 233 15 291.0 291.1 278.3 293.3 0.72 9 707 2881 -7.1 -38.1 6 31.0 -12.2 242 17 293.8 293.8 278.9 294.5 0.20 10 700 2958 -7.7 -23.7 26 16.0 -11.5 245 17 294.0 294.1 279.8 296.5 0.81 11 699 2969 -7.9 -21.9 31 14.0 -11.3 245 17 293.9 294.0 279.9 296.8 0.95 12 672 3275 -9.3 -35.3 10 26.0 -13.7 244 18 295.6 295.7 279.8 296.6 0.28 13 599 4154 -15.3 -29.3 29 14.0 -17.9 240 21 298.6 298.7 281.5 300.4 0.56 14 532 5037 -23.1 -25.7 79 2.6 -23.6 237 24 299.5 299.7 282.3 302.4 0.89 15 500 5490 -24.9 -28.1 75 3.2 -25.4 235 26 302.7 302.8 283.5 305.2 0.76 16 442 6377 -29.3 -34.3 62 5.0 -29.9 246 29 308.0 308.1 285.2 309.6 0.47 17 400 7080 -34.9 -39.1 65 4.2 -35.3 255 32 309.6 309.7 285.6 310.8 0.32 18 381 7418 -37.9 -44.9 48 7.0 -38.4 261 37 310.0 310.1 285.5 310.7 0.18 19 345 8094 -44.1 -46.9 74 2.8 -44.2 273 46 310.5 310.6 285.7 311.1 0.16 20 316 8678 -48.1 -54.1 50 6.0 -48.3 284 54 312.9 312.9 286.5 313.2 0.08 21 312 8762 -47.9 -55.9 39 8.0 -48.1 285 55 314.3 314.3 286.9 314.5 0.06 22 300 9020 -50.1 -57.1 43 7.0 -50.3 290 59 314.7 314.7 287.1 315.0 0.06 23 285 9351 -52.6 -58.5 49 5.9 -52.7 280 68 315.8 315.8 287.4 316.0 0.05 24 261 9910 -56.9 -61.0 60 4.1 -57.0 280 55 317.5 317.5 288.0 317.7 0.04 25 250 10180 -58.3 -66.3 35 8.0 -58.4 280 48 319.4 319.4 288.6 319.5 0.02 26 247 10256 -58.9 -66.9 35 8.0 -59.0 275 44 319.6 319.6 288.6 319.7 0.02 27 208 11356 -52.5 -79.5 2 27.0 -52.8 251 33 345.7 345.7 295.7 345.7 0.00 28 200 11610 -52.9 -80.9 2 28.0 -53.2 245 30 349.0 349.0 296.4 349.0 0.00 29 150 13470 -50.7 -82.7 1 32.0 -51.3 235 18 382.7 382.7 302.7 382.7 0.00 30 142 13827 -50.3 -82.3 1 32.0 -51.0 236 17 389.5 389.5 303.7 389.5 0.00 31 100 16110 -50.7 -83.7 1 33.0 -51.5 245 14 429.8 429.8 308.8 429.8 0.00 32 70 18420 -52.3 -85.3 1 33.0 -53.3 215 18 472.5 472.5 312.8 472.5 0.00 33 50 20590 -53.5 -85.5 1 32.0 -54.7 180 6 517.4 517.4 316.1 517.4 0.01 34 31 23671 -52.7 -85.7 1 33.0 -54.6 595.4 595.4 320.4 595.4 0.01 TRP 247 10256 -58.9 -66.9 35 8.0 -59.0 275 44 319.6 319.6 288.6 319.7 0.02 WND 285 9351 -52.6 -58.5 49 5.9 -52.7 280 68 315.8 315.8 287.4 316.0 0.05 Sounding variables and indices 1000-500 mb thick: 5371.00 m Freezing level: 910.71 mb = 879.90 m = 2886.76 ft Freezing level: 870.00 mb = 1242.85 m = 4077.55 ft Freezing level: 869.00 mb = 1252.07 m = 4107.79 ft Wetbulb zero: 918.79 mb = 806.87 m = 2647.16 ft Precipitable water: 0.39 inches Sfc-500 mean rel hum: 48.23 % Est. max temperature: 12.51 C = 54.51 F Sfc-Lift cond lev (LCL): 921.48 mb = 783.50 m = 2570.51 ft T: 0.76 C 700-500 lapse rate: 6.79 C/km ThetaE index: 1.70 C Layer 1000.0- 870.0 mb Conv cond level (CCL): 910.55 mb = 878.87 m = 2883.39 ft Mean mixing ratio: 4.20 g/kg Conv temperature: 8.23 C = 46.82 F Cap Strength: 8.29 C Lifted Index: 9.94 C Risk: None Lifted Index @300 mb: 16.27 C Lifted Index @700 mb: 6.69 C Showalter Index: 10.06 C Risk: None Total Totals Index: 39.40 C Risk: None Vertical Totals Index: 24.20 C Cross Totals Index: 15.20 C K Index: -1.50 Risk: None Sweat Index: 44.00 Risk: None Energy Index: 2.83 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.13 J/kg Max Up Vert Vel: 2.06 m/s Conv Inhibition (B-): 1.55 J/kg Cap Strength: 9.54 C Lift Cond Lev (LCL): 915.74 mb = 833.44 m = 2734.36 ft Lev Free Conv (LFC): 890.74 mb = 1054.67 m = 3460.17 ft Equ Level (EL): 870.74 mb = 1236.10 m = 4055.40 ft B at Equ Level: -1.90 J/kg Max Parcel Lev (MPL): 870.74 mb = 1236.10 m = 4055.40 ft Wind level data Storm motion: 259 at 13 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 1010 52 160 5 -1.7 4.7 | 99 15 -14.4 2.2 1 1000 119 170 9 -1.6 8.9 | 114 16 -14.3 6.3 2 925 753 155 11 -4.6 10.0 | 113 19 -17.4 7.4 3 850 1429 185 9 0.8 9.0 | 118 14 -11.9 6.4 4 700 2958 245 17 15.4 7.2 | 210 5 2.7 4.6 5 500 5490 235 26 21.3 14.9 | 215 15 8.6 12.4 6 400 7080 255 32 30.9 8.3 | 252 19 18.2 5.7 7 300 9020 290 59 55.4 -20.2 | 298 48 42.7 -22.7 8 285 9351 280 68 67.0 -11.8 | 285 56 54.2 -14.3 9 250 10180 280 48 47.3 -8.3 | 287 36 34.5 -10.9 10 247 10256 275 44 43.8 -3.8 | 282 32 31.1 -6.4 11 200 11610 245 30 27.2 12.7 | 235 18 14.5 10.1 12 150 13470 235 18 14.7 10.3 | 195 8 2.0 7.8 13 100 16110 245 14 12.7 5.9 | 179 3 -0.0 3.4 14 70 18420 215 18 10.3 14.7 | 169 12 -2.4 12.2 15 50 20590 180 6 0.0 6.0 | 105 13 -12.7 3.5 Wind Parameters Mean winds (0-6000m): 228.7 at 17.3 knts Storm direction: 258.7 at 13.0 knts Shear (0-3000m) pos: 3.3 neg: 0.9 tot: 4.2 10-3/s Storm rel Dir Shear (0-3000m): 112.5 deg Storm rel helicity (0-3000m) pos: 55.8 neg: -1.3 tot: 54.5 m^2/s^2 ave: 18.2 10^-3 m/s^2 rel: 0.65 Storm rel vorticity (0-3000m) horiz: 5.0 stream: 3.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.07 Bulk Shear: 32.36 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 ------------------------------------------------------------------------------- 500 165 9 113 16| 0.0 5.5 5.5| 16.4 -0.4 16.0 32.0 0.64| 6.5 4.2 1000 162 10 114 17| 0.8 2.8 3.6| 21.2 -1.3 19.9 19.9 0.49| 5.1 2.5 1500 167 10 115 17| 1.8 1.8 3.6| 26.4 -1.3 25.0 16.7 0.45| 4.8 2.1 2000 176 10 119 15| 2.5 1.4 3.9| 38.3 -1.3 37.0 18.5 0.54| 4.8 2.6 2500 188 11 126 14| 3.1 1.1 4.2| 48.4 -1.3 47.0 18.8 0.60| 4.9 3.0 3000 202 12 135 12| 3.3 0.9 4.2| 55.8 -1.3 54.5 18.2 0.65| 5.0 3.2 4000 218 13 151 9| 2.5 1.0 3.5| 56.8 -1.3 55.5 13.9 0.59| 4.2 2.5 5000 225 15 168 9| 2.0 1.2 3.2| 56.9 -1.6 55.3 11.1 0.53| 3.8 2.0 6000 229 17 182 9| 1.9 1.1 3.1| 72.5 -2.2 70.4 11.7 0.55| 3.6 2.0 Wrote GIF file: /home/apache/climate/data/raob//BIKF/skewt/BIKF.skewt.20250429.11.gif