UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042506.upa.cvt Date: 0600Z 25 APR 25 Searching for LBSF... Searching the city database file for: LBSF ... Date:0600Z 25 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 9.8 7.5 86 2.3 8.5 0 0 287.8 289.0 284.3 307.3 6.91 2 928 712 8.2 6.3 88 1.9 7.2 136 1 287.4 288.6 283.7 305.6 6.46 3 925 737 8.4 6.0 85 2.4 7.1 165 1 287.9 289.0 283.7 305.8 6.34 4 895 1011 11.6 4.6 62 7.0 7.8 24 3 293.9 295.0 285.8 311.2 5.94 5 850 1440 8.2 3.2 71 5.0 5.6 85 13 294.7 295.8 285.8 311.3 5.67 6 738 2590 0.2 -12.8 37 13.0 -4.4 88 11 298.2 298.5 283.1 304.1 1.93 7 700 3011 -3.5 -13.5 46 10.0 -6.9 80 17 298.6 299.0 283.2 304.6 1.93 8 690 3124 -4.7 -13.7 49 9.0 -7.7 80 16 298.5 298.9 283.2 304.5 1.92 9 643 3677 -6.9 -23.9 24 17.0 -11.2 78 10 302.1 302.3 283.4 304.9 0.86 10 596 4265 -9.7 -33.7 12 24.0 -14.3 46 7 305.5 305.5 284.1 306.8 0.37 11 500 5590 -21.5 -38.5 20 17.0 -23.7 20 7 306.8 306.9 284.5 307.8 0.27 12 486 5798 -23.3 -39.3 22 16.0 -25.2 24 7 307.1 307.2 284.6 308.0 0.26 13 459 6213 -26.3 -52.3 7 26.0 -28.3 31 8 308.4 308.4 284.8 308.7 0.07 14 400 7190 -34.3 -53.3 13 19.0 -35.4 360 5 310.4 310.4 285.5 310.7 0.07 15 394 7296 -35.1 -54.1 13 19.0 -36.1 358 6 310.7 310.7 285.7 310.9 0.06 16 300 9150 -48.1 -66.1 11 18.0 -48.5 340 7 317.6 317.6 288.0 317.6 0.02 17 298 9194 -48.5 -65.5 12 17.0 -48.8 347 7 317.6 317.6 288.0 317.7 0.02 18 250 10330 -56.1 -68.1 21 12.0 -56.2 55 7 322.7 322.7 289.6 322.7 0.02 19 234 10747 -58.9 -67.9 30 9.0 -59.0 35 5 324.6 324.6 290.2 324.7 0.02 20 209 11461 -56.1 -79.1 4 23.0 -56.3 339 13 339.6 339.6 294.2 339.6 0.00 21 200 11740 -56.7 -80.7 3 24.0 -56.9 360 19 343.0 343.0 295.0 343.0 0.00 22 171 12741 -51.9 -84.9 1 33.0 -52.4 330 15 366.6 366.6 299.9 366.7 0.00 23 169 12818 -51.5 -84.5 1 33.0 -52.0 327 15 368.5 368.5 300.3 368.6 0.00 24 150 13590 -51.5 -84.5 1 33.0 -52.1 310 13 381.3 381.3 302.5 381.3 0.00 25 141 13992 -50.9 -84.9 1 34.0 -51.5 318 13 389.2 389.2 303.7 389.2 0.00 26 100 16200 -55.9 -87.9 1 32.0 -56.4 265 7 419.7 419.7 307.7 419.7 0.00 27 70 18460 -57.9 -88.9 1 31.0 -58.5 255 7 460.5 460.5 311.8 460.5 0.00 28 50 20570 -59.1 -90.1 1 31.0 -59.7 225 1 504.2 504.2 315.2 504.2 0.00 29 30 23790 -53.9 -89.9 0 36.0 -55.7 230 1 597.7 597.7 320.5 597.7 0.00 TRP 234 10747 -58.9 -67.9 30 9.0 -59.0 35 5 324.6 324.6 290.2 324.7 0.02 WND Sounding variables and indices 1000-500 mb thick: 5508.00 m Freezing level: 735.95 mb = 2612.67 m = 8571.63 ft Wetbulb zero: 787.37 mb = 2062.86 m = 6767.84 ft Precipitable water: 0.49 inches Sfc-500 mean rel hum: 39.02 % Est. max temperature: 18.30 C = 64.95 F Sfc-Lift cond lev (LCL): 909.67 mb = 875.98 m = 2873.93 ft T: 10.02 C 700-500 lapse rate: 6.98 C/km ThetaE index: 7.13 C Layer 738.0- 700.0 mb Conv cond level (CCL): 770.27 mb = 2241.65 m = 7354.40 ft Mean mixing ratio: 6.01 g/kg Conv temperature: 18.96 C = 66.13 F Cap Strength: 2.98 C Lifted Index: 1.04 C Risk: Showers probable Lifted Index @300 mb: 5.85 C Lifted Index @700 mb: 0.82 C Showalter Index: 0.01 C Risk: Thunderstorms probable Total Totals Index: 54.40 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 29.70 C Cross Totals Index: 24.70 C K Index: 22.90 Risk: 20-40 % chance of thunderstorms Sweat Index: 179.40 Risk: None Energy Index: -0.68 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 35.30 J/kg Max Up Vert Vel: 8.40 m/s Conv Inhibition (B-): 31937.63 J/kg Cap Strength: 2.98 C Lift Cond Lev (LCL): 826.35 mb = 1669.64 m = 5477.75 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 99 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 ---------------------------------------------------------- 0 942 595 0 0 -0.0 -0.0 | 279 7 6.7 -1.1 1 925 737 165 1 -0.3 1.0 | 271 6 6.5 -0.1 2 905 914 0 0 -0.0 -0.0 | 279 7 6.7 -1.1 3 873 1219 75 11 -10.6 -2.8 | 45 6 -3.9 -3.9 4 850 1440 85 13 -13.0 -1.1 | 70 7 -6.2 -2.2 5 810 1829 110 17 -16.0 5.8 | 117 10 -9.2 4.7 6 780 2134 100 9 -8.9 1.6 | 102 2 -2.1 0.5 7 751 2438 105 11 -10.6 2.8 | 114 4 -3.9 1.8 8 724 2743 70 11 -10.3 -3.8 | 37 6 -3.6 -4.9 9 700 3011 80 17 -16.7 -3.0 | 68 11 -10.0 -4.0 10 697 3048 75 17 -16.4 -4.4 | 60 11 -9.7 -5.5 11 669 3353 95 11 -11.0 1.0 | 88 4 -4.2 -0.1 12 594 4267 45 7 -4.9 -4.9 | 344 6 1.8 -6.0 13 500 5590 20 7 -2.4 -6.6 | 331 9 4.3 -7.7 14 428 6706 40 9 -5.8 -6.9 | 353 8 0.9 -8.0 15 400 7190 360 5 -0.0 -5.0 | 312 9 6.7 -6.1 16 376 7620 350 9 1.6 -8.9 | 320 13 8.3 -10.0 17 359 7925 360 9 -0.0 -9.0 | 326 12 6.7 -10.1 18 343 8230 335 9 3.8 -8.2 | 311 14 10.5 -9.3 19 328 8534 335 13 5.5 -11.8 | 316 18 12.2 -12.9 20 300 9150 340 7 2.4 -6.6 | 310 12 9.1 -7.7 21 286 9449 25 9 -3.8 -8.2 | 342 10 2.9 -9.3 22 261 10058 25 9 -3.8 -8.2 | 342 10 2.9 -9.3 23 250 10330 55 7 -5.7 -4.0 | 349 5 1.0 -5.1 24 234 10747 35 5 -2.9 -4.1 | 323 6 3.9 -5.2 25 226 10973 350 3 0.5 -3.0 | 299 8 7.3 -4.0 26 215 11278 325 9 5.2 -7.4 | 305 15 11.9 -8.5 27 200 11740 360 19 -0.0 -19.0 | 341 21 6.7 -20.1 28 195 11887 355 19 1.7 -18.9 | 337 22 8.4 -20.0 29 186 12192 10 15 -2.6 -14.8 | 345 16 4.1 -15.9 30 178 12497 340 15 5.1 -14.1 | 322 19 11.9 -15.2 31 162 13106 315 15 10.6 -10.6 | 304 21 17.3 -11.7 32 150 13590 310 13 10.0 -8.4 | 300 19 16.7 -9.4 33 147 13716 300 9 7.8 -4.5 | 291 16 14.5 -5.6 34 140 14021 320 13 8.4 -10.0 | 306 19 15.1 -11.1 35 128 14630 270 11 11.0 -0.0 | 274 18 17.7 -1.1 36 122 14935 290 11 10.3 -3.8 | 286 18 17.1 -4.9 37 116 15240 340 11 3.8 -10.3 | 317 16 10.5 -11.4 38 111 15545 280 9 8.9 -1.6 | 280 16 15.6 -2.7 39 106 15850 290 21 19.7 -7.2 | 287 28 26.5 -8.3 40 100 16200 265 7 7.0 0.6 | 272 14 13.7 -0.5 41 96 16459 265 7 7.0 0.6 | 272 14 13.7 -0.5 42 91 16764 285 9 8.7 -2.3 | 283 16 15.4 -3.4 43 83 17374 240 11 9.5 5.5 | 255 17 16.3 4.4 44 79 17678 275 9 9.0 -0.8 | 277 16 15.7 -1.9 45 75 17983 260 11 10.8 1.9 | 267 18 17.6 0.8 46 72 18288 275 15 14.9 -1.3 | 276 22 21.7 -2.4 47 70 18460 255 7 6.8 1.8 | 267 14 13.5 0.7 48 69 18593 310 9 6.9 -5.8 | 297 15 13.6 -6.9 49 62 19202 305 9 7.4 -5.2 | 294 15 14.1 -6.3 50 59 19507 0 0 -0.0 -0.0 | 279 7 6.7 -1.1 51 54 20117 245 9 8.2 3.8 | 260 15 14.9 2.7 52 51 20422 295 15 13.6 -6.3 | 290 22 20.3 -7.4 53 50 20570 225 1 0.7 0.7 | 273 7 7.4 -0.4 54 46 21031 205 1 0.4 0.9 | 271 7 7.2 -0.2 55 30 23790 230 1 0.8 0.6 | 273 8 7.5 -0.5 56 25 24384 0 0 -0.0 -0.0 | 279 7 6.7 -1.1 57 18 25603 250 3 2.8 1.0 | 270 10 9.6 -0.1 Wind Parameters Mean winds (0-6000m): 69.2 at 9.1 knts Storm direction: 99.2 at 6.8 knts Shear (0-3000m) pos: 0.9 neg: 1.4 tot: 2.3 10-3/s Storm rel Dir Shear (0-3000m): 131.7 deg Storm rel helicity (0-3000m) pos: 50.8 neg: -11.7 tot: 39.1 m^2/s^2 ave: 13.0 10^-3 m/s^2 rel: 0.36 Storm rel vorticity (0-3000m) horiz: 9.4 stream: 3.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 4.57 Bulk Shear: 7.73 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 60 1 289 6| 6.7 0.0 6.7| 12.0 -0.4 11.7 23.3 0.83| 8.7 7.2 1000 84 7 354 2| 7.5 0.0 7.5| 30.1 -0.4 29.7 29.7 0.91| 10.7 9.7 1500 95 9 85 3| 3.4 0.0 3.4| 38.5 -1.7 36.8 24.5 0.68| 10.9 7.4 2000 97 10 91 3| 2.6 0.7 3.3| 38.9 -5.3 33.5 16.8 0.50| 9.5 4.8 2500 91 10 77 4| 2.1 1.6 3.7| 46.1 -9.4 36.7 14.7 0.42| 9.5 4.0 3000 90 11 75 4| 0.9 1.4 2.3| 50.8 -11.7 39.1 13.0 0.36| 9.4 3.3 4000 85 10 58 4| 0.7 1.2 1.9| 50.8 -19.8 31.0 7.8 0.22| 7.9 1.7 5000 77 9 36 4| 0.6 1.1 1.7| 50.8 -22.6 28.2 5.6 0.19| 6.6 1.2 6000 69 9 22 5| 0.7 0.9 1.6| 57.5 -22.6 34.9 5.8 0.22| 5.8 1.3 Wrote GIF file: /home/apache/climate/data/raob//LBSF/skewt/LBSF.skewt.20250425.06.gif