UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120412.upa.cvt Date: 1200Z 4 DEC 25 Searching for LBSF... Searching the city database file for: LBSF ... Date:1200Z 4 DEC 25 Station: LBSF WMO ident: 15614 Latitude: 42.65 Longitude: 23.38 Elevation: 595.00 ------------------------------------------------------------------------------- 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 127 SFC 946 595 7.6 4.7 82 2.9 6.1 110 1 285.2 286.2 281.8 301.1 5.66 2 925 771 5.8 4.2 89 1.6 5.0 135 15 285.2 286.2 281.7 300.9 5.59 3 901 985 3.6 3.6 100 0.0 3.6 136 18 285.1 286.1 281.5 300.6 5.50 4 850 1455 1.0 1.0 100 0.0 1.0 135 21 287.2 288.0 281.7 300.9 4.84 5 839 1560 0.4 0.4 100 0.0 0.4 136 19 287.6 288.5 281.8 301.0 4.69 6 823 1715 2.4 -1.7 74 4.1 0.5 138 17 291.3 292.1 282.7 303.3 4.10 7 778 2169 1.2 -5.8 60 7.0 -1.7 167 7 294.8 295.3 283.1 304.3 3.18 8 725 2734 -1.9 -6.0 73 4.1 -3.6 175 24 297.4 298.0 284.4 307.5 3.37 9 700 3014 -1.5 -4.3 81 2.8 -2.7 180 23 300.8 301.6 286.4 312.9 3.97 10 693 3094 -1.3 -6.3 69 5.0 -3.4 182 23 301.9 302.5 286.2 312.5 3.44 11 593 4316 -11.3 -11.4 99 0.1 -11.3 195 25 304.1 304.6 286.2 312.5 2.70 12 571 4606 -11.9 -14.0 84 2.1 -12.6 192 28 306.7 307.1 286.7 313.9 2.27 13 547 4934 -14.9 -14.9 100 0.0 -14.9 190 30 306.9 307.3 286.7 313.9 2.20 14 503 5565 -18.5 -20.7 83 2.2 -19.1 181 22 310.0 310.2 287.0 314.8 1.46 15 500 5610 -18.1 -22.3 70 4.2 -19.1 185 21 311.0 311.2 287.2 315.2 1.28 16 496 5670 -17.9 -23.9 59 6.0 -19.3 188 20 311.9 312.1 287.3 315.7 1.12 17 480 5913 -19.7 -26.7 54 7.0 -21.2 189 18 312.6 312.8 287.3 315.7 0.90 18 431 6698 -26.5 -30.1 72 3.6 -27.1 183 18 313.8 313.9 287.5 316.3 0.73 19 400 7230 -30.7 -36.7 56 6.0 -31.4 185 17 315.1 315.2 287.6 316.6 0.41 20 395 7319 -31.5 -37.5 55 6.0 -32.2 186 17 315.2 315.3 287.6 316.6 0.38 21 364 7893 -36.7 -44.7 43 8.0 -37.3 194 21 315.7 315.7 287.6 316.4 0.20 22 300 9200 -49.1 -52.3 69 3.2 -49.2 180 25 316.1 316.2 287.6 316.5 0.10 23 292 9377 -50.9 -53.3 75 2.4 -51.0 180 26 316.0 316.1 287.5 316.4 0.09 24 250 10370 -59.7 -64.7 52 5.0 -59.7 175 23 317.3 317.3 287.9 317.4 0.03 25 228 10937 -64.7 -69.7 50 5.0 -64.7 176 22 318.2 318.2 288.2 318.2 0.01 26 208 11491 -67.7 -70.5 67 2.8 -67.7 200 19 321.9 321.9 289.3 322.0 0.01 27 204 11609 -63.5 -73.5 24 10.0 -63.6 204 21 330.3 330.3 291.8 330.4 0.01 28 200 11730 -64.1 -75.1 21 11.0 -64.2 220 31 331.2 331.3 292.0 331.3 0.01 29 191 12010 -65.7 -75.7 24 10.0 -65.8 219 28 333.1 333.1 292.6 333.1 0.01 30 150 13490 -60.5 -83.5 3 23.0 -60.7 215 25 365.9 365.9 299.8 365.9 0.00 31 116 15099 -57.3 -84.3 2 27.0 -57.6 225 28 399.7 399.7 305.2 399.7 0.00 32 100 16030 -59.5 -84.5 2 25.0 -59.8 225 33 412.8 412.8 306.9 412.8 0.00 33 70 18260 -62.1 -87.1 2 25.0 -62.4 235 25 451.5 451.5 311.0 451.5 0.00 34 50 20350 -61.3 -87.3 2 26.0 -61.8 250 44 499.0 499.0 314.9 499.0 0.00 TRP 208 11491 -67.7 -70.5 67 2.8 -67.7 200 19 321.9 321.9 289.3 322.0 0.01 WND Sounding variables and indices 1000-500 mb thick: 5483.00 m Freezing level: 757.48 mb = 2387.90 m = 7834.22 ft Wetbulb zero: 811.94 mb = 1824.28 m = 5985.11 ft Precipitable water: 0.68 inches Sfc-500 mean rel hum: 84.34 % Est. max temperature: 15.60 C = 60.08 F Sfc-Lift cond lev (LCL): 904.96 mb = 949.23 m = 3114.22 ft T: 3.97 C 700-500 lapse rate: 6.39 C/km ThetaE index: 0.55 C Layer 925.0- 850.0 mb Conv cond level (CCL): 888.05 mb = 1101.71 m = 3614.49 ft Mean mixing ratio: 5.33 g/kg Conv temperature: 7.99 C = 46.39 F Cap Strength: 9.55 C Lifted Index: 10.30 C Risk: None Lifted Index @300 mb: 11.00 C Lifted Index @700 mb: 7.45 C Showalter Index: 10.18 C Risk: None Total Totals Index: 38.20 C Risk: None Vertical Totals Index: 19.10 C Cross Totals Index: 19.10 C K Index: 17.30 Risk: < 20 % chance of thunderstorms Sweat Index: 75.00 Risk: None Energy Index: 2.97 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.70 J/kg Max Up Vert Vel: 4.40 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 9.42 C Lift Cond Lev (LCL): 886.00 mb = 1120.33 m = 3675.59 ft Lev Free Conv (LFC): 881.00 mb = 1165.99 m = 3825.38 ft Equ Level (EL): 861.00 mb = 1351.24 m = 4433.15 ft B at Equ Level: 9.60 J/kg Max Parcel Lev (MPL): 821.00 mb = 1734.67 m = 5691.11 ft Wind level data Storm motion: 208 at 16 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 ---------------------------------------------------------- 0 946 595 110 1 -0.9 0.3 | 32 16 -8.3 -13.4 1 944 610 135 9 -6.4 6.4 | 62 16 -13.7 -7.4 2 925 771 135 15 -10.6 10.6 | 80 18 -17.9 -3.1 3 909 914 135 17 -12.0 12.0 | 85 19 -19.4 -1.7 4 875 1219 140 23 -14.8 17.6 | 100 22 -22.1 3.9 5 850 1455 135 21 -14.8 14.8 | 93 22 -22.2 1.1 6 811 1829 140 15 -9.6 11.5 | 82 17 -17.0 -2.3 7 781 2134 165 7 -1.8 6.8 | 53 12 -9.1 -7.0 8 752 2438 180 9 0.0 9.0 | 57 9 -7.3 -4.8 9 724 2743 175 25 -2.2 24.9 | 140 15 -9.5 11.1 10 700 3014 180 23 0.0 23.0 | 142 12 -7.3 9.2 11 619 3962 200 25 8.6 23.5 | 187 10 1.2 9.7 12 595 4267 195 25 6.5 24.1 | 175 10 -0.9 10.4 13 550 4877 190 31 5.4 30.5 | 173 17 -2.0 16.8 14 529 5182 190 25 4.3 24.6 | 165 11 -3.0 10.9 15 508 5486 175 25 -2.2 24.9 | 140 15 -9.5 11.1 16 500 5610 185 21 1.8 20.9 | 142 9 -5.5 7.2 17 488 5791 195 17 4.4 16.4 | 132 4 -2.9 2.7 18 468 6096 180 19 0.0 19.0 | 126 9 -7.3 5.2 19 400 7230 185 17 1.5 16.9 | 119 7 -5.9 3.2 20 361 7925 195 21 5.4 20.3 | 164 7 -1.9 6.5 21 300 9200 180 25 0.0 25.0 | 147 13 -7.3 11.2 22 275 9754 180 27 0.0 27.0 | 151 15 -7.3 13.2 23 250 10370 175 23 -2.0 22.9 | 134 13 -9.3 9.2 24 238 10668 165 23 -6.0 22.2 | 122 16 -13.3 8.5 25 208 11491 200 19 6.5 17.9 | 168 4 -0.8 4.1 26 205 11582 200 19 6.5 17.9 | 168 4 -0.8 4.1 27 200 11730 220 31 19.9 23.7 | 232 16 12.6 10.0 28 195 11887 215 29 16.6 23.8 | 223 14 9.3 10.0 29 185 12192 225 27 19.1 19.1 | 246 13 11.8 5.3 30 168 12802 215 25 14.3 20.5 | 226 10 7.0 6.7 31 160 13106 240 29 25.1 14.5 | 268 18 17.8 0.7 32 150 13490 215 25 14.3 20.5 | 226 10 7.0 6.7 33 145 13716 215 25 14.3 20.5 | 226 10 7.0 6.7 34 131 14326 235 42 34.4 24.1 | 249 29 27.1 10.3 35 125 14630 240 29 25.1 14.5 | 268 18 17.8 0.7 36 119 14935 220 31 19.9 23.7 | 232 16 12.6 10.0 37 113 15240 230 25 19.2 16.1 | 259 12 11.8 2.3 38 100 16030 225 33 23.3 23.3 | 239 19 16.0 9.6 39 98 16154 225 33 23.3 23.3 | 239 19 16.0 9.6 40 93 16459 215 33 18.9 27.0 | 221 18 11.6 13.3 41 89 16764 235 42 34.4 24.1 | 249 29 27.1 10.3 42 85 17069 255 29 28.0 7.5 | 287 22 20.7 -6.2 43 81 17374 235 19 15.6 10.9 | 289 9 8.2 -2.9 44 70 18260 235 25 20.5 14.3 | 267 13 13.1 0.6 45 70 18288 230 27 20.7 17.4 | 255 14 13.3 3.6 46 66 18593 235 25 20.5 14.3 | 267 13 13.1 0.6 47 63 18898 245 42 38.1 17.7 | 263 31 30.7 4.0 48 55 19812 265 38 37.9 3.3 | 289 32 30.5 -10.4 49 52 20117 250 33 31.0 11.3 | 276 24 23.7 -2.5 50 50 20350 250 44 41.3 15.0 | 268 34 34.0 1.3 51 49 20422 245 36 32.6 15.2 | 267 25 25.3 1.5 52 46 20726 255 46 44.4 11.9 | 273 37 37.1 -1.8 53 40 21336 280 46 45.3 -8.0 | 300 44 38.0 -21.7 54 35 21946 270 36 36.0 -0.0 | 296 32 28.7 -13.8 55 30 22555 250 48 45.1 16.4 | 266 38 37.8 2.7 Wind Parameters Mean winds (0-6000m): 178.1 at 20.8 knts Storm direction: 208.1 at 15.6 knts Shear (0-3000m) pos: 4.4 neg: 0.3 tot: 4.7 10-3/s Storm rel Dir Shear (0-3000m): 135.9 deg Storm rel helicity (0-3000m) pos: 141.2 neg: -54.0 tot: 87.2 m^2/s^2 ave: 29.1 10^-3 m/s^2 rel: 0.42 Storm rel vorticity (0-3000m) horiz: 11.2 stream: 4.7 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.37 Bulk Shear: 25.98 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 ------------------------------------------------------------------------------- 500 136 15 81 18| 20.2 0.0 20.2| 81.8 0.0 81.8 163.6 0.94| 20.6 19.3 1000 137 18 89 20| 10.1 0.9 11.1| 92.0 -19.9 72.1 72.1 0.64| 13.7 8.8 1500 138 17 86 19| 3.2 0.6 3.8| 92.0 -51.4 40.6 27.0 0.23| 13.3 3.1 2000 144 15 84 16| 4.7 0.5 5.2|110.5 -54.0 56.5 28.3 0.34| 12.9 4.4 2500 153 17 94 15| 5.0 0.4 5.4|129.1 -54.0 75.1 30.0 0.38| 12.5 4.8 3000 161 18 103 14| 4.4 0.3 4.7|141.2 -54.0 87.2 29.1 0.42| 11.2 4.7 4000 173 20 121 11| 3.4 0.3 3.7|149.5 -59.5 90.0 22.5 0.39| 9.5 3.7 5000 177 21 131 11| 2.7 0.7 3.4|151.2 -87.1 64.1 12.8 0.23| 9.5 2.2 6000 178 21 131 11| 2.2 0.8 3.0|151.2 -90.7 60.4 10.1 0.18| 9.0 1.6 Wrote GIF file: /home/apache/climate/data/raob//LBSF/skewt/LBSF.skewt.20251204.12.gif