UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041906.upa.cvt Date: 0600Z 19 APR 25 Searching for LBSF... Searching the city database file for: LBSF ... Date:0600Z 19 APR 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 109 SFC 945 595 10.0 8.6 91 1.4 9.2 270 3 287.8 289.1 284.8 308.6 7.43 2 925 762 9.4 6.4 82 3.0 7.8 295 15 288.9 290.1 284.4 307.4 6.52 3 850 1459 5.4 2.7 83 2.7 4.1 345 11 291.8 292.8 284.4 307.6 5.47 4 771 2248 -0.5 -0.5 100 0.0 -0.5 325 11 293.7 294.6 284.4 307.7 4.78 5 700 3016 -4.3 -7.2 80 2.9 -5.4 295 11 297.7 298.3 284.3 307.3 3.18 6 686 3175 -4.9 -8.6 75 3.7 -6.3 306 9 298.8 299.3 284.4 307.6 2.91 7 659 3490 -7.1 -7.1 100 0.0 -7.1 346 9 299.8 300.4 285.4 310.1 3.40 8 612 4063 -10.1 -10.4 98 0.3 -10.2 30 10 302.7 303.2 285.8 311.5 2.83 9 611 4076 -9.9 -10.3 97 0.4 -10.1 30 10 303.1 303.6 286.0 311.9 2.86 10 596 4267 -11.7 -12.1 97 0.4 -11.8 30 9 303.2 303.6 285.7 311.1 2.54 11 530 5156 -17.7 -21.6 72 3.9 -18.6 116 6 306.3 306.6 285.5 310.5 1.28 12 504 5531 -20.5 -36.5 23 16.0 -22.8 154 5 307.3 307.4 284.8 308.5 0.33 13 500 5590 -20.7 -33.7 30 13.0 -22.7 160 5 307.8 307.9 285.1 309.3 0.44 14 475 5967 -23.5 -41.5 18 18.0 -25.6 189 5 308.9 308.9 285.2 309.6 0.21 15 422 6821 -30.3 -46.3 19 16.0 -31.6 255 7 310.8 310.8 285.8 311.3 0.14 16 410 7026 -31.9 -39.9 45 8.0 -32.7 271 7 311.3 311.4 286.2 312.4 0.29 17 400 7200 -33.1 -42.1 40 9.0 -33.9 285 7 312.0 312.0 286.3 312.8 0.24 18 358 7968 -39.3 -47.3 42 8.0 -39.8 295 2 313.7 313.7 286.8 314.3 0.15 19 316 8813 -43.9 -60.9 14 17.0 -44.4 295 5 318.7 318.7 288.3 318.8 0.03 20 303 9094 -44.9 -65.9 8 21.0 -45.4 285 15 321.2 321.2 289.1 321.2 0.02 21 300 9160 -44.3 -68.3 5 24.0 -44.9 280 17 322.9 322.9 289.6 323.0 0.01 22 292 9341 -43.1 -70.1 4 27.0 -43.8 277 25 327.1 327.1 290.9 327.2 0.01 23 250 10380 -45.5 -69.5 5 24.0 -46.1 295 42 338.4 338.4 293.9 338.5 0.01 24 200 11860 -47.5 -73.5 3 26.0 -48.1 295 36 357.6 357.6 298.2 357.6 0.01 25 156 13494 -49.5 -75.5 3 26.0 -50.1 289 29 380.5 380.5 302.3 380.5 0.01 26 150 13750 -50.5 -77.5 3 27.0 -51.1 280 27 383.1 383.1 302.8 383.1 0.01 27 124 14979 -56.9 -81.9 3 25.0 -57.2 294 32 392.9 392.9 304.2 392.9 0.00 28 100 16340 -58.7 -82.7 3 24.0 -59.0 280 19 414.3 414.3 307.0 414.3 0.00 29 70 18560 -61.1 -87.1 2 26.0 -61.4 320 5 453.7 453.7 311.2 453.7 0.00 TRP 303 9094 -44.9 -65.9 8 21.0 -45.4 285 15 321.2 321.2 289.1 321.2 0.02 WND Sounding variables and indices 1000-500 mb thick: 5481.00 m Freezing level: 777.69 mb = 2181.36 m = 7156.61 ft Wetbulb zero: 779.77 mb = 2156.70 m = 7075.69 ft Precipitable water: 0.71 inches Sfc-500 mean rel hum: 84.55 % Est. max temperature: 15.26 C = 59.48 F Sfc-Lift cond lev (LCL): 925.15 mb = 760.70 m = 2495.69 ft T: 9.40 C 700-500 lapse rate: 6.37 C/km ThetaE index: 1.24 C Layer 925.0- 850.0 mb Conv cond level (CCL): 830.87 mb = 1643.20 m = 5391.01 ft Mean mixing ratio: 6.16 g/kg Conv temperature: 14.42 C = 57.95 F Cap Strength: 2.86 C Lifted Index: 3.13 C Risk: None Lifted Index @300 mb: 11.05 C Lifted Index @700 mb: 1.01 C Showalter Index: 3.13 C Risk: None Total Totals Index: 49.50 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.10 C Cross Totals Index: 23.40 C K Index: 25.90 Risk: 40-60 % chance of thunderstorms Sweat Index: 69.40 Risk: None Energy Index: 0.36 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.72 J/kg Max Up Vert Vel: 4.41 m/s Conv Inhibition (B-): 16585.62 J/kg Cap Strength: 2.84 C Lift Cond Lev (LCL): 858.10 mb = 1380.79 m = 4530.08 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 359 at 7 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 ---------------------------------------------------------- 0 945 595 270 3 3.0 -0.0 | 203 7 2.9 6.7 1 943 610 295 9 8.2 -3.8 | 250 9 8.0 2.9 2 925 762 295 15 13.6 -6.3 | 269 13 13.5 0.3 3 908 914 295 15 13.6 -6.3 | 269 13 13.5 0.3 4 875 1219 305 9 7.4 -5.2 | 258 7 7.3 1.5 5 850 1459 345 11 2.8 -10.6 | 325 5 2.7 -4.0 6 843 1524 345 11 2.8 -10.6 | 325 5 2.7 -4.0 7 812 1829 325 9 5.2 -7.4 | 278 5 5.0 -0.7 8 781 2134 325 11 6.3 -9.0 | 291 7 6.2 -2.4 9 752 2438 325 11 6.3 -9.0 | 291 7 6.2 -2.4 10 700 3016 295 11 10.0 -4.6 | 258 10 9.9 2.0 11 697 3048 290 9 8.5 -3.1 | 247 9 8.3 3.6 12 644 3658 10 9 -1.6 -8.9 | 37 3 -1.7 -2.2 13 619 3962 30 11 -5.5 -9.5 | 63 6 -5.6 -2.9 14 594 4267 30 9 -4.5 -7.8 | 76 5 -4.6 -1.1 15 500 5590 160 5 -1.7 4.7 | 171 11 -1.8 11.4 16 400 7200 285 7 6.8 -1.8 | 234 8 6.6 4.8 17 376 7620 295 1 0.9 -0.4 | 187 6 0.8 6.2 18 315 8839 295 5 4.5 -2.1 | 224 6 4.4 4.5 19 303 9094 285 15 14.5 -3.9 | 259 15 14.4 2.8 20 301 9144 285 15 14.5 -3.9 | 259 15 14.4 2.8 21 300 9160 280 17 16.7 -3.0 | 257 17 16.6 3.7 22 287 9449 275 29 28.9 -2.5 | 262 29 28.8 4.1 23 275 9754 280 38 37.4 -6.6 | 270 37 37.3 0.1 24 251 10363 295 44 39.9 -18.6 | 287 42 39.8 -11.9 25 250 10380 295 42 38.1 -17.7 | 286 40 38.0 -11.1 26 229 10973 300 36 31.2 -18.0 | 290 33 31.1 -11.3 27 200 11860 295 36 32.6 -15.2 | 285 34 32.5 -8.6 28 173 12802 285 27 26.1 -7.0 | 271 26 26.0 -0.3 29 151 13716 290 29 27.3 -9.9 | 277 27 27.1 -3.3 30 150 13750 280 27 26.6 -4.7 | 266 27 26.5 2.0 31 144 14021 280 29 28.6 -5.0 | 267 28 28.4 1.6 32 131 14630 285 40 38.6 -10.4 | 275 39 38.5 -3.7 33 125 14935 295 33 29.9 -13.9 | 284 31 29.8 -7.3 34 119 15240 285 23 22.2 -6.0 | 268 22 22.1 0.7 35 108 15850 305 31 25.4 -17.8 | 294 28 25.3 -11.1 36 103 16154 275 15 14.9 -1.3 | 250 16 14.8 5.3 37 100 16340 280 19 18.7 -3.3 | 260 19 18.6 3.4 38 98 16459 280 19 18.7 -3.3 | 260 19 18.6 3.4 39 89 17069 285 23 22.2 -6.0 | 268 22 22.1 0.7 40 81 17678 350 9 1.6 -8.9 | 327 3 1.4 -2.2 41 77 17983 255 9 8.7 2.3 | 224 12 8.6 9.0 42 73 18288 270 13 13.0 -0.0 | 243 15 12.9 6.7 43 70 18560 320 5 3.2 -3.8 | 228 4 3.1 2.8 44 70 18593 330 9 4.5 -7.8 | 285 5 4.4 -1.1 45 50 20117 35 5 -2.9 -4.1 | 131 4 -3.0 2.6 Wind Parameters Mean winds (0-6000m): 329.0 at 8.9 knts Storm direction: 359.0 at 6.7 knts Shear (0-3000m) pos: 2.9 neg: 1.3 tot: 4.2 10-3/s Storm rel Dir Shear (0-3000m): 166.1 deg Storm rel helicity (0-3000m) pos: 43.6 neg: -21.2 tot: 22.4 m^2/s^2 ave: 7.5 10^-3 m/s^2 rel: 0.31 Storm rel vorticity (0-3000m) horiz: 8.5 stream: 2.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.30 Bulk Shear: 7.45 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 ------------------------------------------------------------------------------- 500 296 13 265 12| 9.3 0.0 9.3| 22.6 -1.9 20.8 41.5 0.61| 17.2 10.5 1000 308 12 274 9| 5.1 0.0 5.1| 32.6 -4.9 27.7 27.7 0.55| 14.0 7.7 1500 315 11 278 8| 3.4 1.0 4.4| 33.9 -8.4 25.5 17.0 0.42| 10.8 4.5 2000 317 11 281 8| 2.6 1.1 3.7| 34.1 -10.7 23.4 11.7 0.36| 8.6 3.1 2500 314 11 278 8| 2.0 1.5 3.6| 34.1 -21.2 12.9 5.2 0.19| 8.1 1.5 3000 316 11 278 7| 2.9 1.3 4.2| 43.6 -21.2 22.4 7.5 0.31| 8.5 2.7 4000 332 10 297 5| 2.3 1.0 3.2| 54.9 -21.2 33.7 8.4 0.39| 7.9 3.1 5000 336 10 298 4| 1.0 0.8 1.7| 84.0 -21.2 62.8 12.6 0.47| 7.5 3.6 6000 329 9 282 5| 0.3 0.6 0.9|107.6 -21.2 86.4 14.4 0.52| 6.9 3.6 Wrote GIF file: /home/apache/climate/data/raob//LBSF/skewt/LBSF.skewt.20250419.06.gif