UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042606.upa.cvt Date: 0600Z 26 APR 25 Searching for LBSF... Searching the city database file for: LBSF ... Date:0600Z 26 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 82 SFC 942 595 11.6 6.6 71 5.0 8.9 160 1 289.7 290.8 284.6 308.1 6.49 2 925 737 10.0 5.6 74 4.4 7.6 185 3 289.5 290.6 284.2 307.1 6.17 3 924 746 10.0 5.5 74 4.5 7.6 178 3 289.6 290.7 284.2 307.1 6.13 4 896 1004 11.4 4.4 62 7.0 7.6 22 2 293.6 294.7 285.5 310.6 5.85 5 850 1444 8.8 3.9 71 4.9 6.2 290 5 295.4 296.4 286.3 312.8 5.96 6 789 2056 4.6 1.4 80 3.2 3.0 61 9 297.2 298.2 286.4 313.1 5.37 7 733 2652 0.0 -7.0 59 7.0 -2.9 120 8 298.5 299.1 284.5 307.9 3.08 8 700 3019 -3.1 -9.1 63 6.0 -5.4 150 7 299.1 299.6 284.4 307.4 2.74 9 659 3493 -6.9 -7.7 94 0.8 -7.2 125 8 300.0 300.6 285.2 309.9 3.25 10 631 3830 -8.9 -12.4 76 3.5 -10.1 115 9 301.4 301.9 284.8 308.7 2.34 11 626 3891 -9.5 -10.5 92 1.0 -9.9 115 9 301.4 301.9 285.3 309.9 2.74 12 584 4424 -12.9 -14.1 91 1.2 -13.3 115 9 303.5 303.9 285.5 310.4 2.20 13 578 4502 -13.5 -20.5 56 7.0 -15.3 115 9 303.7 304.0 284.5 307.9 1.29 14 573 4568 -14.1 -15.1 92 1.0 -14.4 115 9 303.8 304.2 285.4 310.3 2.06 15 567 4648 -14.1 -21.1 55 7.0 -15.9 122 9 304.7 304.9 284.8 308.8 1.25 16 562 4715 -14.5 -18.3 73 3.8 -15.6 131 10 305.0 305.3 285.4 310.1 1.61 17 532 5128 -17.1 -24.1 55 7.0 -18.7 135 11 306.7 306.9 285.4 310.1 1.02 18 506 5502 -20.3 -24.2 71 3.9 -21.1 165 11 307.2 307.4 285.6 310.8 1.07 19 503 5546 -20.1 -29.1 45 9.0 -21.8 165 10 308.0 308.1 285.4 310.3 0.68 20 500 5590 -20.5 -30.5 40 10.0 -22.2 165 9 308.0 308.2 285.4 310.1 0.60 21 492 5709 -21.3 -28.3 53 7.0 -22.6 162 9 308.5 308.6 285.7 311.0 0.75 22 485 5814 -22.1 -36.1 27 14.0 -24.1 160 9 308.8 308.8 285.3 310.0 0.36 23 467 6091 -23.9 -36.9 29 13.0 -25.6 153 10 309.9 310.0 285.7 311.1 0.35 24 453 6312 -25.9 -32.9 52 7.0 -26.9 147 10 310.1 310.2 286.0 311.9 0.53 25 400 7200 -32.9 -40.9 45 8.0 -33.6 125 11 312.2 312.3 286.5 313.2 0.27 26 343 8266 -42.1 -54.1 26 12.0 -42.6 112 15 313.8 313.8 286.8 314.0 0.07 27 310 8944 -48.3 -55.3 44 7.0 -48.5 105 16 314.3 314.3 286.9 314.6 0.07 28 300 9160 -49.9 -58.9 34 9.0 -50.1 90 13 315.0 315.0 287.2 315.2 0.05 29 276 9699 -52.9 -64.9 22 12.0 -53.1 107 10 318.3 318.3 288.2 318.4 0.02 30 251 10305 -56.3 -68.3 21 12.0 -56.5 230 3 322.0 322.0 289.4 322.1 0.02 31 250 10330 -56.1 -69.1 18 13.0 -56.3 245 3 322.7 322.7 289.6 322.7 0.01 32 205 11592 -53.5 -81.5 2 28.0 -53.8 290 23 345.6 345.6 295.7 345.6 0.00 33 200 11750 -53.9 -80.9 2 27.0 -54.2 295 21 347.4 347.4 296.1 347.4 0.00 34 189 12114 -52.9 -81.9 2 29.0 -53.3 286 18 354.7 354.7 297.6 354.7 0.00 35 150 13600 -54.1 -84.1 1 30.0 -54.5 290 19 376.9 376.9 301.8 376.9 0.00 36 100 16200 -55.5 -87.5 1 32.0 -56.0 275 19 420.5 420.5 307.7 420.5 0.00 37 70 18440 -57.9 -87.9 1 30.0 -58.5 260 15 460.5 460.5 311.8 460.5 0.00 38 50 20560 -58.1 -89.1 1 31.0 -58.8 285 15 506.6 506.6 315.4 506.6 0.00 39 30 23780 -56.3 -89.3 1 33.0 -57.7 245 9 591.2 591.2 320.2 591.2 0.00 40 20 26360 -55.3 -88.3 1 33.0 -57.5 280 11 666.9 666.9 323.3 667.0 0.01 TRP 251 10305 -56.3 -68.3 21 12.0 -56.5 230 3 322.0 322.0 289.4 322.1 0.02 WND Sounding variables and indices 1000-500 mb thick: 5508.00 m Freezing level: 733.00 mb = 2651.63 m = 8699.46 ft Wetbulb zero: 760.25 mb = 2356.35 m = 7730.72 ft Precipitable water: 0.68 inches Sfc-500 mean rel hum: 72.61 % Est. max temperature: 18.95 C = 66.11 F Sfc-Lift cond lev (LCL): 873.34 mb = 1217.68 m = 3994.96 ft T: 10.14 C 700-500 lapse rate: 6.77 C/km ThetaE index: 5.66 C Layer 733.0- 659.0 mb Conv cond level (CCL): 762.31 mb = 2334.45 m = 7658.86 ft Mean mixing ratio: 6.00 g/kg Conv temperature: 19.65 C = 67.37 F Cap Strength: 3.19 C Lifted Index: 1.63 C Risk: Showers probable Lifted Index @300 mb: 3.58 C Lifted Index @700 mb: 0.86 C Showalter Index: 0.11 C Risk: Thunderstorms probable Total Totals Index: 53.70 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 29.30 C Cross Totals Index: 24.40 C K Index: 27.20 Risk: 40-60 % chance of thunderstorms Sweat Index: 159.80 Risk: None Energy Index: -0.57 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 28.69 J/kg Max Up Vert Vel: 7.58 m/s Conv Inhibition (B-): 37684.77 J/kg Cap Strength: 3.19 C Lift Cond Lev (LCL): 818.09 mb = 1758.53 m = 5769.40 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 162 at 6 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 ---------------------------------------------------------- 0 942 595 160 1 -0.3 0.9 | 342 5 1.6 -4.8 1 925 737 185 3 0.3 3.0 | 322 4 2.2 -2.7 2 906 914 40 1 -0.6 -0.8 | 349 7 1.3 -6.5 3 850 1444 290 5 4.7 -1.7 | 318 10 6.6 -7.4 4 781 2134 80 9 -8.9 -1.6 | 44 10 -7.0 -7.3 5 700 3019 150 7 -3.5 6.1 | 102 2 -1.6 0.3 6 644 3658 115 9 -8.2 3.8 | 73 7 -6.2 -1.9 7 595 4267 115 9 -8.2 3.8 | 73 7 -6.2 -1.9 8 571 4572 115 9 -8.2 3.8 | 73 7 -6.2 -1.9 9 549 4877 155 11 -4.6 10.0 | 147 5 -2.7 4.2 10 527 5182 130 11 -8.4 7.1 | 102 7 -6.5 1.3 11 507 5486 165 11 -2.8 10.6 | 169 5 -0.9 4.9 12 500 5590 165 9 -2.3 8.7 | 172 3 -0.4 3.0 13 400 7200 125 11 -9.0 6.3 | 95 7 -7.1 0.6 14 314 8839 105 17 -16.4 4.4 | 85 15 -14.5 -1.3 15 301 9144 105 15 -14.5 3.9 | 82 13 -12.6 -1.9 16 300 9160 90 13 -13.0 0.0 | 63 12 -11.1 -5.7 17 287 9449 75 15 -14.5 -3.9 | 53 16 -12.6 -9.6 18 274 9754 115 9 -8.2 3.8 | 73 7 -6.2 -1.9 19 251 10305 230 3 2.3 1.9 | 312 6 4.2 -3.8 20 250 10330 245 3 2.7 1.3 | 314 6 4.6 -4.5 21 249 10363 240 1 0.9 0.5 | 332 6 2.8 -5.2 22 226 10973 275 9 9.0 -0.8 | 301 13 10.9 -6.5 23 215 11278 275 19 18.9 -1.7 | 290 22 20.8 -7.4 24 205 11582 290 23 21.6 -7.9 | 300 27 23.5 -13.6 25 200 11750 295 21 19.0 -8.9 | 305 26 20.9 -14.6 26 196 11887 305 17 13.9 -9.8 | 314 22 15.8 -15.5 27 187 12192 280 19 18.7 -3.3 | 294 23 20.6 -9.0 28 178 12497 300 23 19.9 -11.5 | 308 28 21.8 -17.2 29 170 12802 295 27 24.5 -11.4 | 303 31 26.4 -17.1 30 162 13106 305 19 15.6 -10.9 | 314 24 17.5 -16.6 31 150 13600 290 19 17.9 -6.5 | 302 23 19.8 -12.2 32 140 14021 280 25 24.6 -4.3 | 291 28 26.5 -10.1 33 128 14630 300 19 16.5 -9.5 | 310 24 18.4 -15.2 34 122 14935 270 15 15.0 -0.0 | 289 18 16.9 -5.7 35 116 15240 260 13 12.8 2.3 | 283 15 14.7 -3.5 36 101 16154 270 15 15.0 -0.0 | 289 18 16.9 -5.7 37 100 16200 275 19 18.9 -1.7 | 290 22 20.8 -7.4 38 96 16459 275 19 18.9 -1.7 | 290 22 20.8 -7.4 39 87 17069 290 9 8.5 -3.1 | 310 14 10.4 -8.8 40 79 17678 275 17 16.9 -1.5 | 291 20 18.8 -7.2 41 75 17983 245 11 10.0 4.6 | 275 12 11.9 -1.1 42 70 18440 260 15 14.8 2.6 | 281 17 16.7 -3.1 43 68 18593 270 23 23.0 -0.0 | 283 26 24.9 -5.7 44 65 18898 250 15 14.1 5.1 | 272 16 16.0 -0.6 45 62 19202 290 15 14.1 -5.1 | 304 19 16.0 -10.9 46 59 19507 300 11 9.5 -5.5 | 314 16 11.4 -11.2 47 56 19812 250 11 10.3 3.8 | 279 12 12.2 -2.0 48 54 20117 295 9 8.2 -3.8 | 313 14 10.1 -9.5 49 51 20422 275 9 9.0 -0.8 | 301 13 10.9 -6.5 50 50 20560 285 15 14.5 -3.9 | 300 19 16.4 -9.6 51 46 21031 285 15 14.5 -3.9 | 300 19 16.4 -9.6 52 44 21336 340 9 3.1 -8.5 | 341 15 5.0 -14.2 53 40 21946 0 0 -0.0 -0.0 | 342 6 1.9 -5.7 54 35 22860 245 9 8.2 3.8 | 281 10 10.1 -1.9 55 33 23165 195 9 2.3 8.7 | 235 5 4.2 3.0 56 30 23774 200 23 7.9 21.6 | 212 19 9.8 15.9 57 30 23780 245 9 8.2 3.8 | 281 10 10.1 -1.9 58 29 24079 245 9 8.2 3.8 | 281 10 10.1 -1.9 59 27 24384 0 0 -0.0 -0.0 | 342 6 1.9 -5.7 60 20 26360 280 11 10.8 -1.9 | 301 15 12.7 -7.6 61 19 26518 265 9 9.0 0.8 | 294 12 10.9 -4.9 62 17 26822 285 9 8.7 -2.3 | 307 13 10.6 -8.1 63 14 27432 265 1 1.0 0.1 | 333 6 2.9 -5.6 64 12 28042 215 19 10.9 15.6 | 232 16 12.8 9.8 65 11 28346 215 17 9.8 13.9 | 235 14 11.7 8.2 Wind Parameters Mean winds (0-6000m): 131.5 at 8.1 knts Storm direction: 161.5 at 6.0 knts Shear (0-3000m) pos: 2.2 neg: 1.3 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 93.3 deg Storm rel helicity (0-3000m) pos: 62.6 neg: -14.4 tot: 48.2 m^2/s^2 ave: 16.1 10^-3 m/s^2 rel: 0.36 Storm rel vorticity (0-3000m) horiz: 7.6 stream: 2.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 5.37 Bulk Shear: 5.35 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 ------------------------------------------------------------------------------- 500 154 2 345 4| 0.0 3.4 3.4| 1.6 -2.5 -0.8 -1.7 -0.01| 7.7 -0.1 1000 291 3 325 8| 0.0 3.5 3.5| 7.2 -12.7 -5.6 -5.6 -0.15| 7.6 -1.2 1500 6 4 352 10| 4.1 2.3 6.5| 50.8 -12.7 38.1 25.4 0.39| 9.9 3.9 2000 78 5 27 8| 3.5 1.8 5.2| 60.8 -12.7 48.1 24.0 0.44| 9.2 4.1 2500 101 6 40 6| 2.7 1.4 4.1| 62.6 -12.7 49.9 20.0 0.44| 8.3 3.6 3000 112 6 49 5| 2.2 1.3 3.5| 62.6 -14.4 48.2 16.1 0.36| 7.6 2.8 4000 114 7 57 5| 1.7 1.0 2.7| 63.4 -14.8 48.6 12.1 0.36| 5.9 2.1 5000 125 8 73 5| 1.6 0.8 2.4| 81.0 -20.7 60.3 12.1 0.39| 6.6 2.6 6000 132 8 85 4| 1.3 0.8 2.2| 81.0 -24.5 56.5 9.4 0.31| 5.9 1.8 Wrote GIF file: /home/apache/climate/data/raob//LBSF/skewt/LBSF.skewt.20250426.06.gif