UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041923.upa.cvt Date: 2300Z 19 APR 25 Searching for BIKF... Searching the city database file for: BIKF ... Date:2300Z 19 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 1019 52 4.2 -2.8 60 7.0 1.4 135 10 275.9 276.4 273.6 284.3 3.05 1 1000 189 3.6 -4.4 56 8.0 0.5 130 18 276.8 277.2 273.7 284.4 2.75 2 925 815 -1.9 -6.2 72 4.3 -3.4 125 17 277.4 277.8 273.8 284.6 2.60 3 850 1481 -7.5 -9.6 85 2.1 -8.2 90 15 278.3 278.7 273.7 284.4 2.17 4 812 1835 -10.7 -10.7 100 0.0 -10.7 95 16 278.6 278.9 273.7 284.5 2.08 5 801 1939 -11.9 -12.9 92 1.0 -12.2 96 16 278.4 278.7 273.1 283.4 1.77 6 800 1949 -11.9 -13.8 86 1.9 -12.4 96 16 278.5 278.7 273.0 283.2 1.64 7 795 1997 -10.7 -21.7 40 11.0 -13.0 97 16 280.2 280.4 272.8 282.8 0.85 8 793 2016 -11.3 -13.6 83 2.3 -11.9 97 16 279.8 280.1 273.8 284.7 1.69 9 790 2045 -10.3 -33.3 13 23.0 -13.9 98 17 281.2 281.2 272.3 282.1 0.29 10 774 2203 -8.3 -40.3 6 32.0 -12.8 100 17 285.0 285.0 274.3 285.5 0.15 11 700 2976 -12.7 -30.7 21 18.0 -15.7 110 19 288.4 288.5 276.5 289.8 0.42 12 583 4354 -19.1 -38.1 17 19.0 -21.5 113 16 296.4 296.5 280.1 297.3 0.25 13 506 5394 -26.1 -44.1 17 18.0 -27.7 115 13 300.2 300.2 281.6 300.7 0.15 14 500 5480 -26.7 -42.7 21 16.0 -28.2 115 13 300.5 300.5 281.8 301.1 0.18 15 450 6226 -33.5 -38.5 61 5.0 -34.0 110 17 301.1 301.2 282.3 302.2 0.30 16 410 6871 -37.5 -48.5 31 11.0 -38.1 106 21 304.1 304.1 283.2 304.5 0.11 17 400 7040 -38.9 -45.9 48 7.0 -39.3 105 22 304.4 304.5 283.4 305.0 0.16 18 388 7248 -40.5 -45.5 59 5.0 -40.8 104 23 305.0 305.0 283.7 305.6 0.17 19 319 8553 -51.1 -53.0 80 1.9 -51.1 101 30 307.9 307.9 284.7 308.2 0.09 20 300 8950 -54.5 -57.6 68 3.1 -54.6 100 32 308.5 308.5 284.8 308.7 0.05 21 291 9144 -55.9 -58.7 71 2.8 -55.9 97 32 309.2 309.2 285.1 309.4 0.05 22 284 9298 -56.7 -62.7 47 6.0 -56.8 95 32 310.2 310.3 285.4 310.4 0.03 23 280 9388 -56.3 -66.3 27 10.0 -56.4 96 29 312.1 312.1 286.1 312.2 0.02 24 259 9884 -54.1 -76.1 5 22.0 -54.4 102 11 322.4 322.4 289.5 322.4 0.00 25 250 10110 -53.7 -76.7 4 23.0 -53.9 105 3 326.2 326.2 290.6 326.2 0.00 26 213 11148 -49.9 -77.9 2 28.0 -50.4 177 9 347.4 347.4 296.1 347.5 0.00 27 200 11560 -50.1 -80.1 2 30.0 -50.6 205 12 353.4 353.4 297.4 353.4 0.00 28 155 13243 -46.5 -80.5 1 34.0 -47.4 201 16 386.3 386.3 303.2 386.3 0.00 29 150 13460 -47.9 -81.9 1 34.0 -48.7 200 16 387.5 387.5 303.4 387.5 0.00 30 100 16120 -50.5 -83.5 1 33.0 -51.4 275 8 430.2 430.2 308.9 430.2 0.00 31 70 18450 -49.7 -83.7 1 34.0 -51.0 275 6 478.1 478.1 313.3 478.1 0.01 32 50 20640 -50.5 -84.5 1 34.0 -52.1 45 4 524.5 524.5 316.6 524.5 0.01 33 30 23980 -49.5 -84.5 1 35.0 -52.2 90 7 609.7 609.7 321.0 609.8 0.01 34 20 26630 -49.9 -84.9 1 35.0 -53.4 140 7 683.4 683.4 323.9 683.5 0.01 35 13 29452 -49.1 -85.1 1 36.0 -54.1 775.8 775.8 326.6 776.0 0.02 TRP 284 9298 -56.7 -62.7 47 6.0 -56.8 95 32 310.2 310.3 285.4 310.4 0.03 WND Sounding variables and indices 1000-500 mb thick: 5291.00 m Freezing level: 950.91 mb = 598.75 m = 1964.36 ft Wetbulb zero: 989.70 mb = 272.12 m = 892.78 ft Precipitable water: 0.27 inches Sfc-500 mean rel hum: 37.48 % Est. max temperature: 6.41 C = 43.54 F Sfc-Lift cond lev (LCL): 914.48 mb = 905.11 m = 2969.50 ft T: -2.66 C 700-500 lapse rate: 5.59 C/km ThetaE index: 2.57 C Layer 790.0- 774.0 mb Conv cond level (CCL): 861.87 mb = 1371.81 m = 4500.65 ft Mean mixing ratio: 2.71 g/kg Conv temperature: 6.50 C = 43.70 F Cap Strength: 13.55 C Lifted Index: 13.71 C Risk: None Lifted Index @300 mb: 17.08 C Lifted Index @700 mb: 6.67 C Showalter Index: 13.77 C Risk: None Total Totals Index: 36.30 C Risk: None Vertical Totals Index: 19.20 C Cross Totals Index: 17.10 C K Index: -8.40 Risk: None Sweat Index: 43.00 Risk: None Energy Index: 3.53 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.30 J/kg Max Up Vert Vel: 2.57 m/s Conv Inhibition (B-): 24.38 J/kg Cap Strength: 13.53 C Lift Cond Lev (LCL): 877.57 mb = 1229.56 m = 4033.94 ft Lev Free Conv (LFC): 812.57 mb = 1829.11 m = 6000.94 ft Equ Level (EL): 802.57 mb = 1924.08 m = 6312.52 ft B at Equ Level: 2.96 J/kg Max Parcel Lev (MPL): 792.57 mb = 2020.21 m = 6627.90 ft Wind level data Storm motion: 141 at 12 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 1019 52 135 10 -7.1 7.1 | 346 2 0.6 -2.4 1 1000 189 130 18 -13.8 11.6 | 109 6 -6.1 2.1 2 925 815 125 17 -13.9 9.8 | 93 6 -6.3 0.3 3 850 1481 90 15 -15.0 0.0 | 38 12 -7.4 -9.5 4 700 2976 110 19 -17.9 6.5 | 74 11 -10.2 -3.0 5 500 5480 115 13 -11.8 5.5 | 46 6 -4.1 -4.0 6 400 7040 105 22 -21.3 5.7 | 75 14 -13.6 -3.8 7 300 8950 100 32 -31.5 5.6 | 81 24 -23.9 -3.9 8 284 9298 95 32 -31.9 2.8 | 75 25 -24.2 -6.7 9 250 10110 105 3 -2.9 0.8 | 331 10 4.7 -8.7 10 200 11560 205 12 5.1 10.9 | 264 13 12.7 1.4 11 150 13460 200 16 5.5 15.0 | 247 14 13.1 5.6 12 100 16120 275 8 8.0 -0.7 | 303 19 15.6 -10.2 13 70 18450 275 6 6.0 -0.5 | 306 17 13.6 -10.0 14 50 20640 45 4 -2.8 -2.8 | 339 13 4.8 -12.3 15 30 23980 90 7 -7.0 0.0 | 356 9 0.6 -9.5 16 20 26630 140 7 -4.5 5.4 | 322 5 3.1 -4.1 Wind Parameters Mean winds (0-6000m): 111.0 at 16.2 knts Storm direction: 141.0 at 12.2 knts Shear (0-3000m) pos: 1.1 neg: 1.8 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 87.0 deg Storm rel helicity (0-3000m) pos: 22.7 neg: -20.8 tot: 1.9 m^2/s^2 ave: 0.6 10^-3 m/s^2 rel: 0.16 Storm rel vorticity (0-3000m) horiz: 4.7 stream: 0.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.91 Bulk Shear: 3.64 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 ------------------------------------------------------------------------------- 500 129 17 102 5| 0.0 7.9 7.9| 3.0 -1.5 1.6 3.1 0.63| 10.5 6.6 1000 126 17 94 6| 0.0 4.1 4.1| 3.0 -8.8 -5.7 -5.7 0.17| 7.5 1.3 1500 118 16 76 7| 0.0 3.6 3.6| 3.0 -20.8 -17.7 -11.8 -0.10| 7.1 -0.7 2000 113 16 66 8| 0.6 2.7 3.3| 9.9 -20.8 -10.9 -5.4 0.00| 5.9 0.0 2500 110 16 64 9| 1.0 2.2 3.1| 16.8 -20.8 -3.9 -1.6 0.10| 5.2 0.5 3000 110 17 65 9| 1.1 1.8 3.0| 22.7 -20.8 1.9 0.6 0.16| 4.7 0.8 4000 110 17 66 9| 0.8 1.4 2.1| 22.7 -23.4 -0.7 -0.2 0.11| 3.9 0.4 5000 111 17 66 9| 0.6 1.1 1.7| 22.7 -26.4 -3.7 -0.7 0.06| 3.4 0.2 6000 111 16 64 8| 0.5 1.1 1.6| 26.6 -27.7 -1.1 -0.2 0.09| 3.2 0.3 Wrote GIF file: /home/apache/climate/data/raob//BIKF/skewt/BIKF.skewt.20250419.23.gif