UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121123.upa.cvt Date: 2300Z 11 DEC 25 Searching for BIKF... Searching the city database file for: BIKF ... Date:2300Z 11 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 -224 SFC 968 52 3.4 1.1 85 2.3 2.4 75 27 279.1 279.9 277.1 290.9 4.28 2 925 409 2.0 0.4 89 1.6 1.3 95 44 281.4 282.1 278.2 293.2 4.25 3 897 656 0.0 0.0 100 0.0 0.0 102 45 281.8 282.5 278.4 293.7 4.26 4 850 1086 -1.9 -2.0 99 0.1 -2.0 115 48 284.2 284.8 279.1 295.1 3.88 5 802 1546 -4.1 -5.5 90 1.4 -4.6 116 47 286.6 287.1 279.4 295.7 3.16 6 762 1948 -7.1 -7.2 99 0.1 -7.1 118 46 287.6 288.1 279.6 296.0 2.92 7 745 2123 -8.1 -11.3 78 3.2 -9.1 118 45 288.3 288.7 279.0 294.7 2.16 8 727 2313 -9.7 -11.5 87 1.8 -10.3 119 45 288.6 289.0 279.1 295.1 2.18 9 722 2366 -9.9 -15.9 61 6.0 -11.6 119 45 289.0 289.2 278.4 293.6 1.53 10 705 2549 -11.7 -12.6 93 0.9 -12.0 120 44 288.9 289.3 279.1 295.0 2.06 11 700 2604 -11.9 -13.4 89 1.5 -12.3 120 44 289.3 289.6 279.1 295.1 1.94 12 575 4080 -22.7 -25.0 81 2.3 -23.1 120 49 293.4 293.6 279.6 296.2 0.87 13 500 5090 -30.9 -34.0 74 3.1 -31.2 120 52 295.4 295.4 279.9 296.8 0.43 14 468 5553 -34.9 -38.3 71 3.4 -35.2 120 52 296.0 296.1 280.0 297.0 0.30 15 429 6150 -40.1 -48.1 42 8.0 -40.5 120 51 296.9 296.9 280.1 297.3 0.11 16 400 6620 -44.7 -50.7 51 6.0 -44.9 120 51 296.9 296.9 280.1 297.2 0.09 17 394 6721 -45.7 -50.5 58 4.8 -45.9 120 52 296.9 296.9 280.1 297.2 0.09 18 383 6909 -47.3 -53.3 50 6.0 -47.5 120 55 297.2 297.2 280.2 297.4 0.07 19 366 7208 -49.2 -56.4 43 7.2 -49.4 120 59 298.5 298.5 280.8 298.7 0.05 20 355 7407 -50.5 -58.5 38 8.0 -50.7 118 52 299.4 299.4 281.1 299.6 0.04 21 340 7688 -51.3 -65.3 17 14.0 -51.5 115 43 302.0 302.0 282.2 302.1 0.02 22 318 8126 -47.3 -73.3 4 26.0 -47.7 104 45 313.4 313.4 286.5 313.4 0.01 23 300 8510 -49.3 -74.3 4 25.0 -49.7 95 47 315.9 315.9 287.4 315.9 0.01 24 282 8916 -50.5 -75.5 4 25.0 -50.8 112 44 319.8 319.8 288.7 319.8 0.00 25 250 9710 -46.5 -77.5 2 31.0 -47.1 145 38 336.9 336.9 293.6 337.0 0.00 26 247 9790 -45.5 -77.5 2 32.0 -46.2 145 37 339.6 339.6 294.2 339.6 0.00 27 218 10624 -44.9 -77.9 1 33.0 -45.7 145 28 352.9 352.9 297.3 352.9 0.00 28 200 11200 -45.3 -78.3 1 33.0 -46.1 145 22 361.0 361.0 298.9 361.1 0.00 29 161 12628 -51.9 -81.9 2 30.0 -52.4 164 38 373.0 373.0 301.1 373.0 0.00 30 151 13046 -49.7 -81.7 1 32.0 -50.4 169 43 383.7 383.7 302.8 383.7 0.00 31 150 13090 -49.9 -81.9 1 32.0 -50.5 170 43 384.1 384.1 302.9 384.1 0.00 32 110 15096 -53.7 -84.7 1 31.0 -54.3 193 35 412.6 412.6 306.8 412.6 0.00 33 100 15710 -52.1 -84.1 1 32.0 -52.8 200 32 427.1 427.1 308.5 427.1 0.00 34 74 17631 -59.1 -87.1 1 28.0 -59.5 175 37 450.7 450.7 310.9 450.7 0.00 35 70 17980 -59.1 -87.1 1 28.0 -59.6 170 38 457.9 457.9 311.6 458.0 0.00 36 67 18252 -59.7 -87.7 1 28.0 -60.2 174 38 462.4 462.4 312.0 462.4 0.00 37 59 19049 -55.9 -86.9 1 31.0 -56.7 185 39 488.1 488.1 314.1 488.1 0.00 38 50 20090 -58.5 -87.5 1 29.0 -59.2 200 39 505.6 505.6 315.4 505.6 0.00 39 40 21487 -61.3 -89.3 1 28.0 -61.9 209 41 531.9 531.9 317.1 531.9 0.00 40 37 21973 -59.9 -88.9 1 29.0 -60.7 212 42 547.5 547.5 317.9 547.5 0.00 41 30 23270 -64.7 -90.7 2 26.0 -65.2 220 44 568.3 568.3 319.0 568.3 0.00 42 23 24878 -68.7 -91.7 2 23.0 -69.1 233 58 601.4 601.4 320.7 601.4 0.00 43 21 25430 -63.7 -90.7 1 27.0 -64.5 238 62 632.3 632.3 322.0 632.3 0.00 44 20 25730 -63.3 -91.3 1 28.0 -64.2 240 65 642.4 642.4 322.4 642.4 0.00 45 19 26046 -61.9 -89.9 1 28.0 -63.0 656.3 656.3 322.9 656.3 0.01 46 16 27094 -68.1 -92.1 2 24.0 -68.7 669.1 669.1 323.4 669.1 0.00 47 15 27482 -67.5 -92.5 2 25.0 -68.2 683.5 683.5 323.9 683.6 0.00 TRP 340 7688 -51.3 -65.3 17 14.0 -51.5 115 43 302.0 302.0 282.2 302.1 0.02 WND 366 7208 -49.2 -56.4 43 7.2 -49.4 120 59 298.5 298.5 280.8 298.7 0.05 Sounding variables and indices 1000-500 mb thick: 5314.00 m Freezing level: 897.00 mb = 656.23 m = 2152.95 ft Wetbulb zero: 896.53 mb = 660.38 m = 2166.58 ft Precipitable water: 0.47 inches Sfc-500 mean rel hum: 86.52 % Est. max temperature: 9.96 C = 49.92 F Sfc-Lift cond lev (LCL): 934.12 mb = 331.96 m = 1089.09 ft T: 2.30 C 700-500 lapse rate: 7.64 C/km ThetaE index: 1.48 C Layer 722.0- 705.0 mb Conv cond level (CCL): 891.86 mb = 702.13 m = 2303.54 ft Mean mixing ratio: 4.23 g/kg Conv temperature: 6.27 C = 43.28 F Cap Strength: 2.53 C Lifted Index: 3.06 C Risk: None Lifted Index @300 mb: 16.19 C Lifted Index @700 mb: 1.73 C Showalter Index: 1.54 C Risk: Showers probable Total Totals Index: 57.90 C Risk: Severe Thunderstorms probable Vertical Totals Index: 29.00 C Cross Totals Index: 28.90 C K Index: 25.50 Risk: 40-60 % chance of thunderstorms Sweat Index: 326.00 Risk: Showers and thunderstorms possible Energy Index: 0.31 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.23 J/kg Max Up Vert Vel: 5.14 m/s Conv Inhibition (B-): 49445.04 J/kg Cap Strength: 3.02 C Lift Cond Lev (LCL): 901.62 mb = 614.91 m = 2017.40 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 147 at 35 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 ---------------------------------------------------------- 0 968 52 75 27 -26.1 -7.0 | 10 37 -6.6 -36.5 1 925 409 95 44 -43.8 3.8 | 43 35 -24.3 -25.7 2 850 1086 115 48 -43.5 20.3 | 69 26 -24.0 -9.3 3 700 2604 120 44 -38.1 22.0 | 68 20 -18.6 -7.5 4 500 5090 120 52 -45.0 26.0 | 82 26 -25.5 -3.5 5 400 6620 120 51 -44.2 25.5 | 81 25 -24.7 -4.0 6 366 7208 120 59 -51.1 29.5 | 90 32 -31.6 -0.0 7 340 7688 115 43 -39.0 18.2 | 60 23 -19.5 -11.4 8 300 8510 95 47 -46.8 4.1 | 47 37 -27.3 -25.4 9 250 9710 145 38 -21.8 31.1 | 125 3 -2.3 1.6 10 200 11200 145 22 -12.6 18.0 | 329 13 6.9 -11.5 11 150 13090 170 43 -7.5 42.3 | 223 18 12.0 12.8 12 100 15710 200 32 10.9 30.1 | 269 30 30.5 0.5 13 70 17980 170 38 -6.6 37.4 | 239 15 12.9 7.9 14 50 20090 200 39 13.3 36.6 | 258 34 32.8 7.1 15 30 23270 220 44 28.3 33.7 | 265 48 47.8 4.2 16 20 25730 240 65 56.3 32.5 | 268 76 75.8 3.0 Wind Parameters Mean winds (0-6000m): 116.6 at 47.2 knts Storm direction: 146.6 at 35.4 knts Shear (0-3000m) pos: 5.6 neg: 0.0 tot: 5.6 10-3/s Storm rel Dir Shear (0-3000m): 60.8 deg Storm rel helicity (0-3000m) pos: 314.0 neg: -2.0 tot: 312.0 m^2/s^2 ave: 104.0 10^-3 m/s^2 rel: 0.79 Storm rel vorticity (0-3000m) horiz: 7.6 stream: 6.0 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.22 Bulk Shear: 59.26 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 91 38 32 35| 23.7 0.0 23.7|224.7 0.0 224.7 449.5 0.97| 25.0 24.4 1000 100 42 44 32| 16.3 0.0 16.3|303.2 0.0 303.2 303.2 0.92| 18.8 17.3 1500 105 44 52 29| 11.0 0.0 11.0|308.1 -0.2 307.9 205.3 0.88| 13.4 11.8 2000 109 44 56 27| 8.2 0.0 8.2|308.1 -0.9 307.2 153.6 0.84| 10.5 8.8 2500 111 45 58 26| 6.5 0.0 6.5|308.1 -2.0 306.1 122.4 0.79| 8.8 7.0 3000 112 45 60 25| 5.6 0.0 5.6|314.0 -2.0 312.0 104.0 0.79| 7.6 6.0 4000 114 45 63 24| 4.2 0.4 4.6|327.5 -2.0 325.5 81.4 0.79| 6.1 4.8 5000 116 46 67 24| 3.3 0.7 4.0|341.0 -2.0 339.0 67.8 0.78| 5.2 4.1 6000 117 47 70 24| 2.8 0.5 3.3|341.3 -4.5 336.9 56.1 0.76| 4.4 3.4 Wrote GIF file: /home/apache/climate/data/raob//BIKF/skewt/BIKF.skewt.20251211.23.gif