UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042712.upa.cvt Date: 1200Z 27 APR 25 Searching for LBSF... Searching the city database file for: LBSF ... Date:1200Z 27 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 190 SFC 954 595 13.0 8.2 73 4.8 10.3 340 3 290.0 291.3 285.4 310.4 7.16 2 925 845 10.4 7.2 81 3.2 8.6 120 11 289.9 291.2 285.1 309.5 6.90 3 872 1334 5.8 5.8 100 0.0 5.8 108 12 290.1 291.3 284.9 309.0 6.64 4 850 1544 4.6 4.6 100 0.0 4.6 105 13 291.0 292.1 284.9 308.9 6.26 5 712 2969 -2.5 -4.5 86 2.0 -3.4 112 11 298.3 299.0 285.2 309.8 3.84 6 700 3104 -3.5 -5.9 83 2.4 -4.5 115 9 298.6 299.2 285.0 309.2 3.51 7 595 4367 -12.3 -13.3 92 1.0 -12.6 106 8 302.6 303.0 285.2 309.8 2.30 8 585 4497 -12.1 -20.1 51 8.0 -14.2 108 10 304.3 304.6 284.8 308.6 1.32 9 560 4830 -13.7 -24.7 39 11.0 -16.3 102 10 306.2 306.4 285.1 309.3 0.92 10 539 5119 -15.9 -25.9 42 10.0 -18.1 93 9 307.0 307.1 285.2 309.9 0.86 11 528 5274 -17.1 -34.1 21 17.0 -19.9 88 9 307.4 307.4 284.8 308.8 0.40 12 500 5680 -20.3 -31.3 37 11.0 -22.2 75 7 308.3 308.4 285.4 310.2 0.56 13 481 5965 -22.5 -30.5 48 8.0 -23.8 60 6 309.0 309.1 285.7 311.2 0.63 14 479 5996 -22.5 -34.5 33 12.0 -24.3 58 6 309.4 309.5 285.7 310.9 0.43 15 474 6073 -22.9 -27.9 64 5.0 -23.8 54 6 309.8 310.0 286.2 312.6 0.81 16 463 6244 -24.7 -28.8 69 4.1 -25.4 45 6 309.7 309.8 286.1 312.3 0.77 17 427 6827 -28.7 -39.7 34 11.0 -29.9 20 6 311.8 311.9 286.4 312.8 0.28 18 400 7290 -32.9 -39.9 50 7.0 -33.6 20 11 312.2 312.3 286.5 313.3 0.30 19 396 7361 -33.5 -40.5 49 7.0 -34.1 18 11 312.3 312.4 286.5 313.4 0.28 20 361 8005 -38.1 -51.1 24 13.0 -38.8 5 14 314.6 314.6 287.1 314.9 0.10 21 326 8698 -44.3 -57.3 22 13.0 -44.7 12 11 315.3 315.3 287.3 315.5 0.05 22 300 9250 -49.3 -60.3 27 11.0 -49.6 20 13 315.9 315.9 287.4 316.0 0.04 23 274 9839 -54.7 -62.7 37 8.0 -54.8 14 9 316.3 316.3 287.6 316.5 0.03 24 250 10420 -59.7 -63.8 59 4.1 -59.7 325 7 317.3 317.3 287.9 317.4 0.03 25 248 10470 -60.1 -64.0 60 3.9 -60.2 323 7 317.4 317.5 287.9 317.6 0.03 26 235 10802 -62.5 -67.5 51 5.0 -62.6 325 9 318.7 318.7 288.3 318.8 0.02 27 226 11044 -58.3 -69.3 23 11.0 -58.4 330 9 328.7 328.7 291.4 328.8 0.01 28 200 11810 -58.1 -74.1 11 16.0 -58.3 305 17 340.8 340.8 294.5 340.8 0.01 29 191 12101 -57.9 -81.9 3 24.0 -58.1 312 13 345.6 345.6 295.7 345.6 0.00 30 150 13640 -54.9 -81.9 2 27.0 -55.3 265 29 375.5 375.5 301.5 375.5 0.00 31 129 14602 -54.1 -83.1 2 29.0 -54.6 282 27 393.5 393.5 304.3 393.5 0.00 32 109 15669 -58.5 -85.5 2 27.0 -58.8 271 29 404.6 404.6 305.8 404.6 0.00 33 100 16210 -58.1 -86.1 2 28.0 -58.5 275 25 415.5 415.5 307.2 415.5 0.00 34 70 18460 -57.1 -86.1 1 29.0 -57.7 245 13 462.2 462.2 312.0 462.2 0.00 35 50 20580 -58.3 -87.3 1 29.0 -59.0 255 17 506.1 506.1 315.4 506.1 0.00 TRP 235 10802 -62.5 -67.5 51 5.0 -62.6 325 9 318.7 318.7 288.3 318.8 0.02 WND Sounding variables and indices 1000-500 mb thick: 5490.00 m Freezing level: 760.59 mb = 2467.43 m = 8095.13 ft Wetbulb zero: 770.51 mb = 2333.91 m = 7657.09 ft Precipitable water: 0.76 inches Sfc-500 mean rel hum: 76.49 % Est. max temperature: 16.19 C = 61.13 F Sfc-Lift cond lev (LCL): 887.41 mb = 1189.01 m = 3900.90 ft T: 7.17 C 700-500 lapse rate: 6.52 C/km ThetaE index: 1.47 C Layer 925.0- 712.0 mb Conv cond level (CCL): 876.24 mb = 1294.06 m = 4245.54 ft Mean mixing ratio: 6.79 g/kg Conv temperature: 13.05 C = 55.50 F Cap Strength: 2.51 C Lifted Index: 2.41 C Risk: None Lifted Index @300 mb: 4.82 C Lifted Index @700 mb: 0.93 C Showalter Index: 2.71 C Risk: Showers probable Total Totals Index: 49.80 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 24.90 C Cross Totals Index: 24.90 C K Index: 27.10 Risk: 40-60 % chance of thunderstorms Sweat Index: 104.20 Risk: None Energy Index: 0.25 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.38 J/kg Max Up Vert Vel: 2.96 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 2.48 C Lift Cond Lev (LCL): 876.18 mb = 1294.62 m = 4247.39 ft Lev Free Conv (LFC): 871.18 mb = 1342.00 m = 4402.82 ft Equ Level (EL): 811.18 mb = 1920.04 m = 6299.28 ft B at Equ Level: 4.14 J/kg Max Parcel Lev (MPL): 761.18 mb = 2431.88 m = 7978.52 ft Wind level data Storm motion: 132 at 8 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 ---------------------------------------------------------- 0 954 595 340 3 1.0 -2.8 | 320 10 6.6 -7.9 1 952 610 140 9 -5.8 6.9 | 175 2 -0.2 1.8 2 925 845 120 11 -9.5 5.5 | 96 4 -3.9 0.4 3 917 914 115 11 -10.0 4.6 | 84 4 -4.4 -0.4 4 850 1544 105 13 -12.6 3.4 | 76 7 -6.9 -1.7 5 790 2134 90 13 -13.0 0.0 | 56 9 -7.4 -5.1 6 760 2438 95 15 -14.9 1.3 | 68 10 -9.3 -3.8 7 732 2743 105 15 -14.5 3.9 | 82 9 -8.9 -1.2 8 705 3048 115 9 -8.2 3.8 | 63 3 -2.5 -1.3 9 700 3104 115 9 -8.2 3.8 | 63 3 -2.5 -1.3 10 626 3962 125 11 -9.0 6.3 | 110 4 -3.4 1.2 11 601 4267 105 7 -6.8 1.8 | 19 3 -1.1 -3.3 12 578 4572 110 11 -10.3 3.8 | 74 5 -4.7 -1.3 13 500 5680 75 7 -6.8 -1.8 | 9 7 -1.1 -6.9 14 434 6706 20 5 -1.7 -4.7 | 338 11 3.9 -9.8 15 400 7290 20 11 -3.8 -10.3 | 353 16 1.9 -15.4 16 399 7315 20 11 -3.8 -10.3 | 353 16 1.9 -15.4 17 381 7620 5 13 -1.1 -13.0 | 346 19 4.5 -18.0 18 364 7925 360 15 -0.0 -15.0 | 344 21 5.6 -20.1 19 348 8230 25 11 -4.6 -10.0 | 356 15 1.0 -15.0 20 333 8534 10 11 -1.9 -10.8 | 347 16 3.7 -15.9 21 300 9250 20 13 -4.4 -12.2 | 356 17 1.2 -17.3 22 277 9754 20 9 -3.1 -8.5 | 349 14 2.5 -13.5 23 250 10420 325 7 4.0 -5.7 | 318 14 9.6 -10.8 24 240 10668 315 9 6.4 -6.4 | 314 17 12.0 -11.4 25 235 10802 325 9 5.2 -7.4 | 319 16 10.8 -12.4 26 218 11278 335 9 3.8 -8.2 | 325 16 9.4 -13.2 27 207 11582 360 13 -0.0 -13.0 | 343 19 5.6 -18.1 28 200 11810 305 17 13.9 -9.8 | 307 25 19.5 -14.8 29 198 11887 305 17 13.9 -9.8 | 307 25 19.5 -14.8 30 188 12192 315 11 7.8 -7.8 | 314 19 13.4 -12.9 31 180 12497 295 13 11.8 -5.5 | 301 20 17.4 -10.6 32 163 13106 290 25 23.5 -8.6 | 295 32 29.1 -13.6 33 150 13640 265 29 28.9 2.5 | 274 35 34.5 -2.5 34 148 13716 260 27 26.6 4.7 | 271 32 32.2 -0.4 35 141 14021 275 38 37.9 -3.3 | 281 44 43.5 -8.4 36 135 14326 280 27 26.6 -4.7 | 287 34 32.2 -9.8 37 122 14935 285 27 26.1 -7.0 | 291 34 31.7 -12.1 38 117 15240 260 33 32.5 5.7 | 269 38 38.1 0.7 39 111 15545 275 29 28.9 -2.5 | 282 35 34.5 -7.6 40 101 16154 255 27 26.1 7.0 | 267 32 31.7 1.9 41 100 16210 275 25 24.9 -2.2 | 283 31 30.5 -7.3 42 96 16459 275 25 24.9 -2.2 | 283 31 30.5 -7.3 43 87 17069 290 19 17.9 -6.5 | 296 26 23.5 -11.6 44 83 17374 255 17 16.4 4.4 | 272 22 22.0 -0.7 45 79 17678 255 15 14.5 3.9 | 273 20 20.1 -1.2 46 75 17983 270 11 11.0 -0.0 | 287 17 16.6 -5.1 47 72 18288 245 17 15.4 7.2 | 264 21 21.0 2.1 48 70 18460 245 13 11.8 5.5 | 269 17 17.4 0.4 49 65 18898 245 11 10.0 4.6 | 272 16 15.6 -0.4 50 62 19202 240 7 6.1 3.5 | 278 12 11.7 -1.6 51 59 19507 205 13 5.5 11.8 | 239 13 11.1 6.7 52 56 19812 235 19 15.6 10.9 | 255 22 21.2 5.8 53 54 20117 235 21 17.2 12.0 | 253 24 22.8 7.0 54 51 20422 245 23 20.8 9.7 | 260 27 26.5 4.6 55 50 20580 255 17 16.4 4.4 | 272 22 22.0 -0.7 56 48 20726 245 19 17.2 8.0 | 263 23 22.8 3.0 57 45 21031 280 11 10.8 -1.9 | 293 18 16.4 -7.0 58 42 21336 200 13 4.4 12.2 | 235 12 10.1 7.1 59 39 21641 210 17 8.5 14.7 | 236 17 14.1 9.6 60 37 21946 240 9 7.8 4.5 | 272 13 13.4 -0.6 61 34 22250 270 11 11.0 -0.0 | 287 17 16.6 -5.1 62 32 22555 250 9 8.5 3.1 | 278 14 14.1 -2.0 63 30 22860 235 11 9.0 6.3 | 265 15 14.6 1.2 64 28 23165 275 9 9.0 -0.8 | 292 16 14.6 -5.9 65 24 23774 0 0 -0.0 -0.0 | 312 8 5.6 -5.1 Wind Parameters Mean winds (0-6000m): 102.1 at 10.1 knts Storm direction: 132.1 at 7.6 knts Shear (0-3000m) pos: 2.4 neg: 0.8 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 132.1 deg Storm rel helicity (0-3000m) pos: 12.1 neg: -10.9 tot: 1.3 m^2/s^2 ave: 0.4 10^-3 m/s^2 rel: 0.40 Storm rel vorticity (0-3000m) horiz: 7.3 stream: 2.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.77 Bulk Shear: 1.58 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 ------------------------------------------------------------------------------- 500 121 10 96 3| 14.2 0.0 14.2| 0.5 -2.6 -2.1 -4.1 0.64| 25.8 16.5 1000 114 11 85 5| 7.1 1.2 8.3| 0.5 -4.1 -3.6 -3.6 0.55| 14.1 7.8 1500 108 12 76 6| 4.7 1.6 6.3| 0.5 -9.3 -8.8 -5.8 0.42| 10.4 4.4 2000 104 13 72 7| 4.3 1.2 5.5| 8.3 -9.3 -0.9 -0.5 0.47| 8.7 4.1 2500 104 13 73 7| 2.6 1.0 3.6| 11.0 -10.9 0.1 0.1 0.38| 8.5 3.2 3000 106 12 74 6| 2.4 0.8 3.3| 12.1 -10.9 1.3 0.4 0.40| 7.3 2.9 4000 109 11 75 5| 1.8 0.9 2.7| 16.2 -14.3 1.9 0.5 0.32| 6.7 2.1 5000 107 11 68 5| 1.5 1.1 2.6| 16.2 -23.1 -7.0 -1.4 0.19| 6.0 1.1 6000 102 10 55 5| 1.2 1.3 2.5| 16.2 -34.2 -18.0 -3.0 0.09| 5.5 0.5 Wrote GIF file: /home/apache/climate/data/raob//LBSF/skewt/LBSF.skewt.20250427.12.gif