UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042923.upa.cvt Date: 2300Z 29 APR 25 Searching for BIKF... Searching the city database file for: BIKF ... Date:2300Z 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 1000 52 7.2 4.1 81 3.1 5.7 120 17 280.4 281.2 278.9 294.5 5.13 1 935 589 2.4 1.8 96 0.6 2.1 133 47 280.9 281.7 278.5 293.8 4.66 2 925 674 2.6 1.5 92 1.1 2.1 135 52 282.0 282.8 279.0 294.8 4.61 3 912 788 2.0 1.6 97 0.4 1.8 139 51 282.5 283.3 279.4 295.6 4.71 4 896 932 3.8 2.5 91 1.3 3.2 144 49 285.8 286.7 281.4 300.2 5.11 5 889 995 3.6 2.1 90 1.5 2.9 147 48 286.2 287.1 281.5 300.4 5.01 6 850 1358 1.8 1.0 94 0.8 1.4 160 44 288.0 288.9 282.1 301.8 4.84 7 788 1966 -0.7 -2.8 86 2.1 -1.6 160 42 291.7 292.4 282.7 303.2 3.95 8 715 2736 -6.1 -7.0 93 0.9 -6.4 160 40 293.9 294.5 282.7 303.3 3.16 9 700 2902 -6.9 -10.2 77 3.3 -8.1 160 39 294.8 295.3 282.4 302.4 2.51 10 694 2969 -7.3 -11.4 72 4.1 -8.7 160 39 295.1 295.5 282.2 302.1 2.30 11 636 3643 -12.9 -12.9 100 0.0 -12.9 161 40 296.2 296.6 282.6 303.0 2.23 12 591 4200 -16.7 -20.3 74 3.6 -17.6 163 41 298.1 298.3 282.3 302.1 1.29 13 585 4276 -17.1 -22.0 66 4.9 -18.2 163 41 298.5 298.7 282.2 302.0 1.12 14 575 4406 -17.5 -18.6 91 1.1 -17.8 163 41 299.5 299.8 283.1 304.3 1.53 15 554 4684 -18.5 -24.5 59 6.0 -19.7 163 42 301.5 301.7 283.2 304.6 0.95 16 543 4835 -17.7 -33.7 23 16.0 -20.3 164 42 304.2 304.3 283.6 305.6 0.41 17 530 5016 -18.9 -47.9 6 29.0 -22.0 164 42 304.9 304.9 283.5 305.2 0.09 18 513 5259 -19.3 -51.3 4 32.0 -22.4 165 43 307.2 307.3 284.4 307.5 0.07 19 504 5391 -19.3 -40.3 14 21.0 -22.1 165 43 308.8 308.8 285.2 309.6 0.23 20 500 5450 -19.7 -31.7 34 12.0 -21.8 165 43 309.0 309.1 285.7 310.9 0.54 21 496 5509 -20.1 -28.1 49 8.0 -21.7 165 43 309.2 309.4 285.9 311.8 0.76 22 490 5599 -20.7 -34.7 27 14.0 -22.8 165 44 309.6 309.7 285.7 311.0 0.41 23 484 5690 -21.3 -28.3 53 7.0 -22.6 164 45 309.9 310.1 286.2 312.5 0.77 24 454 6156 -24.9 -41.9 19 17.0 -26.8 163 48 311.2 311.2 286.0 311.9 0.21 25 405 6973 -31.7 -39.7 45 8.0 -32.5 160 54 312.7 312.7 286.6 313.7 0.30 26 400 7060 -32.3 -43.3 33 11.0 -33.3 160 55 313.0 313.0 286.6 313.8 0.21 27 392 7202 -32.7 -45.7 26 13.0 -33.7 161 56 314.3 314.3 287.1 314.9 0.16 28 386 7311 -33.5 -36.5 74 3.0 -33.8 161 57 314.6 314.7 287.5 316.2 0.44 29 379 7439 -34.3 -35.3 91 1.0 -34.4 162 59 315.2 315.3 287.8 317.0 0.50 30 367 7663 -35.7 -41.7 54 6.0 -36.2 163 61 316.3 316.3 287.8 317.3 0.27 31 359 7816 -36.9 -43.9 48 7.0 -37.4 163 62 316.7 316.7 287.9 317.5 0.22 32 341 8170 -40.0 -45.8 54 5.8 -40.4 165 66 317.2 317.2 288.1 317.9 0.19 33 300 9030 -47.7 -50.4 74 2.7 -47.8 170 63 318.1 318.1 288.3 318.6 0.13 34 295 9141 -48.7 -51.3 74 2.6 -48.8 170 63 318.2 318.3 288.3 318.7 0.12 35 288 9298 -50.1 -52.5 76 2.4 -50.2 171 62 318.4 318.5 288.3 318.8 0.10 36 271 9692 -52.9 -55.4 74 2.5 -52.9 173 61 320.0 320.0 288.8 320.3 0.08 37 266 9812 -52.9 -60.9 37 8.0 -53.1 173 60 321.7 321.7 289.3 321.8 0.04 38 250 10210 -55.3 -62.3 41 7.0 -55.4 175 59 323.9 323.9 290.0 324.0 0.04 39 232 10684 -57.1 -67.1 27 10.0 -57.2 166 41 328.1 328.1 291.2 328.2 0.02 40 213 11222 -58.7 -71.7 17 13.0 -58.8 155 20 333.7 333.7 292.7 333.8 0.01 41 200 11620 -55.5 -76.5 6 21.0 -55.8 185 37 344.9 344.9 295.5 344.9 0.01 42 180 12297 -50.5 -81.5 1 31.0 -51.0 196 34 363.6 363.6 299.4 363.6 0.00 43 150 13480 -51.5 -83.5 1 32.0 -52.1 215 30 381.3 381.3 302.5 381.3 0.00 44 100 16120 -50.3 -84.3 1 34.0 -51.2 240 13 430.5 430.5 308.9 430.6 0.00 45 70 18440 -52.1 -86.1 1 34.0 -53.1 205 9 472.9 472.9 312.9 472.9 0.00 46 50 20610 -51.9 -85.9 1 34.0 -53.3 160 6 521.2 521.2 316.4 521.2 0.00 47 32 23493 -53.5 -87.5 1 34.0 -55.2 29 9 587.8 587.8 320.0 587.9 0.01 48 30 23910 -52.1 -87.1 1 35.0 -54.2 10 9 602.6 602.6 320.7 602.6 0.01 49 20 26540 -51.1 -87.1 1 36.0 -54.3 55 15 679.8 679.8 323.7 679.8 0.01 50 14 28859 -51.3 -86.3 1 35.0 -55.3 752.1 752.1 326.0 752.2 0.02 TRP 213 11222 -58.7 -71.7 17 13.0 -58.8 155 20 333.7 333.7 292.7 333.8 0.01 WND 341 8170 -40.0 -45.8 54 5.8 -40.4 165 66 317.2 317.2 288.1 317.9 0.19 Sounding variables and indices 1000-500 mb thick: 5398.00 m Freezing level: 805.36 mb = 1796.10 m = 5892.63 ft Wetbulb zero: 820.98 mb = 1637.05 m = 5370.84 ft Precipitable water: 0.66 inches Sfc-500 mean rel hum: 76.77 % Est. max temperature: 14.88 C = 58.79 F Sfc-Lift cond lev (LCL): 953.64 mb = 431.11 m = 1414.40 ft T: 3.81 C 700-500 lapse rate: 5.02 C/km ThetaE index: 1.23 C Layer 700.0- 636.0 mb Conv cond level (CCL): 813.67 mb = 1708.91 m = 5606.59 ft Mean mixing ratio: 4.83 g/kg Conv temperature: 16.98 C = 62.56 F Cap Strength: 12.97 C Lifted Index: 13.03 C Risk: None Lifted Index @300 mb: 16.67 C Lifted Index @700 mb: 5.68 C Showalter Index: 8.00 C Risk: None Total Totals Index: 42.20 C Risk: None Vertical Totals Index: 21.50 C Cross Totals Index: 20.70 C K Index: 19.20 Risk: < 20 % chance of thunderstorms Sweat Index: 143.00 Risk: None Energy Index: 1.81 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.99 J/kg Max Up Vert Vel: 5.10 m/s Conv Inhibition (B-): 58904.53 J/kg Cap Strength: 12.50 C Lift Cond Lev (LCL): 927.61 mb = 651.70 m = 2138.11 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 188 at 31 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 1000 52 120 17 -14.7 8.5 | 40 29 -18.8 -22.5 1 925 674 135 52 -36.8 36.8 | 98 41 -40.9 5.8 2 850 1358 160 44 -15.0 41.3 | 118 22 -19.2 10.4 3 700 2902 160 39 -13.3 36.6 | 108 18 -17.5 5.7 4 500 5450 165 43 -11.1 41.5 | 125 19 -15.2 10.6 5 400 7060 160 55 -18.8 51.7 | 132 31 -22.9 20.7 6 341 8170 165 66 -17.1 63.8 | 147 39 -21.2 32.8 7 300 9030 170 63 -10.9 62.0 | 154 35 -15.1 31.1 8 250 10210 175 59 -5.1 58.8 | 162 29 -9.3 27.8 9 213 11222 155 20 -8.5 18.1 | 44 18 -12.6 -12.8 10 200 11620 185 37 3.2 36.9 | 171 6 -0.9 5.9 11 150 13480 215 30 17.2 24.6 | 296 15 13.1 -6.4 12 100 16120 240 13 11.3 6.5 | 344 25 7.1 -24.5 13 70 18440 205 9 3.8 8.2 | 1 23 -0.3 -22.8 14 50 20610 160 6 -2.1 5.6 | 14 26 -6.2 -25.3 15 30 23910 10 9 -1.6 -8.9 | 8 40 -5.7 -39.8 16 20 26540 55 15 -12.3 -8.6 | 23 43 -16.4 -39.6 Wind Parameters Mean winds (0-6000m): 157.6 at 41.7 knts Storm direction: 187.6 at 31.2 knts Shear (0-3000m) pos: 5.4 neg: 0.6 tot: 6.0 10-3/s Storm rel Dir Shear (0-3000m): 69.0 deg Storm rel helicity (0-3000m) pos: 393.3 neg: -18.2 tot: 375.1 m^2/s^2 ave: 125.0 10^-3 m/s^2 rel: 0.66 Storm rel vorticity (0-3000m) horiz: 10.8 stream: 7.1 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.25 Bulk Shear: 52.91 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 ------------------------------------------------------------------------------- 500 130 31 68 30| 29.6 0.0 29.6|234.5 0.0 234.5 469.0 0.95| 29.8 28.3 1000 136 40 86 32| 17.3 0.0 17.3|362.4 0.0 362.4 362.4 0.84| 24.7 20.8 1500 143 42 95 29| 11.1 0.0 11.1|392.3 -2.0 390.3 260.2 0.76| 20.0 15.2 2000 147 42 99 27| 8.3 0.4 8.7|392.3 -8.2 384.1 192.1 0.72| 15.4 11.1 2500 150 42 102 26| 6.6 0.7 7.3|392.3 -14.4 377.9 151.2 0.68| 12.6 8.7 3000 152 41 103 24| 5.4 0.6 6.0|393.3 -18.2 375.1 125.0 0.66| 10.8 7.1 4000 154 41 105 23| 4.3 0.4 4.7|403.4 -18.2 385.2 96.3 0.67| 8.3 5.6 5000 156 41 108 22| 3.6 0.3 4.0|413.7 -18.2 395.5 79.1 0.68| 6.9 4.7 6000 158 42 111 21| 3.2 0.1 3.3|426.1 -18.2 407.9 68.0 0.66| 6.2 4.1