UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042112.upa.cvt Date: 1200Z 21 APR 25 Searching for LBSF... Searching the city database file for: LBSF ... Date:1200Z 21 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 79 SFC 943 595 22.8 4.8 31 18.0 12.6 90 3 301.0 302.0 288.1 318.1 5.72 2 937 649 21.2 2.2 28 19.0 11.0 82 3 299.9 300.8 286.8 314.2 4.78 3 925 758 20.2 1.2 28 19.0 10.2 65 3 300.0 300.8 286.6 313.5 4.51 4 850 1476 13.2 0.2 41 13.0 6.6 35 3 300.0 300.8 286.6 313.7 4.56 5 750 2511 4.0 -2.0 65 6.0 1.1 195 1 300.9 301.7 286.8 314.2 4.40 6 738 2642 3.8 -5.2 52 9.0 -0.2 215 1 302.1 302.7 286.4 312.8 3.52 7 700 3069 0.0 -13.0 37 13.0 -4.7 280 1 302.5 302.9 284.8 308.8 2.01 8 675 3359 -2.5 -11.5 50 9.0 -5.8 273 2 302.8 303.3 285.4 310.2 2.35 9 602 4257 -8.5 -32.5 12 24.0 -13.3 251 5 306.0 306.1 284.4 307.4 0.41 10 544 5035 -13.7 -26.7 33 13.0 -16.6 341 1 308.8 308.9 285.8 311.5 0.79 11 540 5092 -14.3 -31.3 22 17.0 -17.6 334 1 308.7 308.8 285.5 310.5 0.52 12 535 5162 -14.9 -23.9 46 9.0 -17.0 324 1 308.8 309.0 286.1 312.3 1.04 13 520 5377 -16.7 -27.7 38 11.0 -19.0 295 2 309.2 309.3 285.9 311.7 0.75 14 500 5670 -19.3 -26.3 54 7.0 -20.8 255 3 309.5 309.7 286.2 312.5 0.89 15 485 5896 -21.3 -23.6 82 2.3 -21.8 257 3 309.8 310.0 286.6 313.7 1.17 16 468 6158 -22.9 -27.1 68 4.2 -23.7 259 4 310.9 311.1 286.7 313.9 0.89 17 465 6205 -23.1 -33.1 40 10.0 -24.6 260 4 311.3 311.4 286.4 313.0 0.51 18 456 6348 -24.1 -41.1 19 17.0 -26.1 261 4 311.8 311.8 286.2 312.6 0.23 19 431 6757 -27.3 -35.3 47 8.0 -28.3 265 4 312.8 312.8 286.8 314.3 0.44 20 400 7290 -31.5 -41.5 37 10.0 -32.4 270 5 314.0 314.1 287.1 315.0 0.25 21 399 7308 -31.7 -42.7 33 11.0 -32.7 270 5 314.0 314.1 287.0 314.8 0.22 22 389 7486 -33.1 -35.3 81 2.2 -33.4 269 5 314.5 314.6 287.5 316.2 0.49 23 378 7687 -34.7 -36.4 84 1.7 -34.9 269 5 314.9 315.0 287.6 316.5 0.45 24 365 7929 -36.7 -40.6 67 3.9 -37.0 268 4 315.4 315.5 287.6 316.5 0.30 25 335 8515 -42.1 -43.5 86 1.4 -42.2 267 4 315.9 315.9 287.7 316.8 0.24 26 331 8596 -42.7 -47.7 58 5.0 -43.0 267 4 316.2 316.2 287.6 316.7 0.15 27 329 8637 -42.9 -47.1 63 4.2 -43.1 266 4 316.4 316.5 287.8 317.1 0.17 28 309 9055 -46.7 -51.7 57 5.0 -46.9 265 3 316.8 316.9 287.8 317.2 0.10 29 305 9141 -47.1 -57.1 31 10.0 -47.4 265 3 317.5 317.5 288.0 317.7 0.06 30 300 9250 -48.1 -56.1 39 8.0 -48.3 270 5 317.6 317.6 288.0 317.8 0.06 31 296 9339 -48.9 -57.9 34 9.0 -49.1 259 8 317.6 317.7 288.1 317.8 0.05 32 292 9429 -48.5 -66.5 11 18.0 -48.8 248 10 319.5 319.5 288.6 319.5 0.02 33 250 10440 -55.5 -65.5 28 10.0 -55.6 235 11 323.6 323.6 289.9 323.6 0.02 34 238 10751 -57.3 -64.3 41 7.0 -57.4 250 27 325.4 325.4 290.5 325.5 0.03 35 200 11850 -55.7 -77.7 5 22.0 -55.9 230 17 344.6 344.6 295.4 344.6 0.00 36 198 11914 -55.7 -77.7 5 22.0 -55.9 218 13 345.6 345.6 295.6 345.6 0.00 37 193 12077 -56.3 -78.3 5 22.0 -56.5 234 14 347.1 347.1 296.0 347.1 0.00 38 183 12418 -51.7 -79.7 2 28.0 -52.1 234 17 359.9 359.9 298.7 359.9 0.00 39 166 13052 -50.5 -81.5 1 31.0 -51.1 248 17 372.1 372.1 300.9 372.1 0.00 40 150 13710 -52.7 -83.7 1 31.0 -53.2 255 21 379.3 379.3 302.1 379.3 0.00 41 108 15798 -59.1 -86.1 2 27.0 -59.4 233 13 404.5 404.5 305.8 404.5 0.00 42 100 16280 -58.7 -86.7 2 28.0 -59.0 210 15 414.3 414.3 307.0 414.3 0.00 43 70 18520 -59.7 -87.7 1 28.0 -60.2 185 13 456.7 456.7 311.5 456.7 0.00 44 50 20620 -59.5 -88.5 1 29.0 -60.1 210 3 503.3 503.3 315.2 503.3 0.00 45 30 23850 -55.5 -87.5 1 32.0 -57.0 195 1 593.3 593.3 320.3 593.4 0.01 46 20 26430 -56.1 -87.1 1 31.0 -58.1 115 17 664.5 664.5 323.2 664.5 0.01 TRP 238 10751 -57.3 -64.3 41 7.0 -57.4 250 27 325.4 325.4 290.5 325.5 0.03 WND Sounding variables and indices 1000-500 mb thick: 5591.00 m Freezing level: 700.00 mb = 3069.00 m = 10068.78 ft Wetbulb zero: 739.91 mb = 2621.25 m = 8599.79 ft Precipitable water: 0.54 inches Sfc-500 mean rel hum: 38.33 % Est. max temperature: 22.38 C = 72.29 F Sfc-Lift cond lev (LCL): 721.85 mb = 2820.89 m = 9254.78 ft T: 2.21 C 700-500 lapse rate: 7.42 C/km ThetaE index: 5.42 C Layer 738.0- 675.0 mb Conv cond level (CCL): 668.58 mb = 3433.90 m = 11265.94 ft Mean mixing ratio: 4.59 g/kg Conv temperature: 24.92 C = 76.85 F Cap Strength: 2.27 C Lifted Index: 0.69 C Risk: Showers probable Lifted Index @300 mb: 2.97 C Lifted Index @700 mb: 2.25 C Showalter Index: 0.72 C Risk: Thunderstorms probable Total Totals Index: 52.00 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 32.50 C Cross Totals Index: 19.50 C K Index: 19.70 Risk: < 20 % chance of thunderstorms Sweat Index: 71.40 Risk: None Energy Index: -0.22 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 0.79 J/kg Max Up Vert Vel: 1.26 m/s Conv Inhibition (B-): 35778.61 J/kg Cap Strength: 2.27 C Lift Cond Lev (LCL): 698.44 mb = 3086.76 m = 10127.04 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 323 at 2 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 ---------------------------------------------------------- 0 943 595 90 3 -3.0 0.0 | 112 5 -4.3 1.8 1 925 758 65 3 -2.7 -1.3 | 97 4 -4.1 0.5 2 908 914 45 3 -2.1 -2.1 | 84 3 -3.5 -0.4 3 850 1476 35 3 -1.7 -2.5 | 77 3 -3.1 -0.7 4 845 1524 20 13 -4.4 -12.2 | 29 12 -5.8 -10.4 5 785 2134 140 1 -0.6 0.8 | 142 3 -2.0 2.5 6 700 3069 280 1 1.0 -0.2 | 167 2 -0.4 1.6 7 599 4267 250 5 4.7 1.7 | 224 5 3.3 3.5 8 554 4877 0 0 -0.0 -0.0 | 143 2 -1.3 1.8 9 500 5670 255 3 2.9 0.8 | 211 3 1.5 2.5 10 400 7290 270 5 5.0 -0.0 | 244 4 3.7 1.8 11 305 9144 265 3 3.0 0.3 | 219 3 1.6 2.0 12 300 9250 270 5 5.0 -0.0 | 244 4 3.7 1.8 13 291 9449 245 11 10.0 4.6 | 233 11 8.6 6.4 14 278 9754 270 19 19.0 -0.0 | 264 18 17.7 1.8 15 253 10363 250 5 4.7 1.7 | 224 5 3.3 3.5 16 250 10440 235 11 9.0 6.3 | 223 11 7.7 8.1 17 241 10668 235 11 9.0 6.3 | 223 11 7.7 8.1 18 238 10751 250 27 25.4 9.2 | 245 26 24.0 11.0 19 230 10973 250 27 25.4 9.2 | 245 26 24.0 11.0 20 219 11278 275 13 13.0 -1.1 | 267 12 11.6 0.6 21 209 11582 220 9 5.8 6.9 | 207 10 4.4 8.7 22 200 11850 230 17 13.0 10.9 | 223 17 11.7 12.7 23 199 11887 215 13 7.5 10.6 | 206 14 6.1 12.4 24 190 12192 245 15 13.6 6.3 | 236 15 12.2 8.1 25 173 12802 215 19 10.9 15.6 | 209 20 9.5 17.3 26 165 13106 255 17 16.4 4.4 | 248 16 15.1 6.2 27 150 13710 255 21 20.3 5.4 | 249 20 18.9 7.2 28 150 13716 235 27 22.1 15.5 | 230 27 20.8 17.3 29 136 14326 255 23 22.2 6.0 | 250 22 20.9 7.7 30 130 14630 230 19 14.6 12.2 | 223 19 13.2 14.0 31 118 15240 245 29 26.3 12.3 | 241 29 24.9 14.0 32 112 15545 270 13 13.0 -0.0 | 261 12 11.7 1.8 33 107 15850 225 13 9.2 9.2 | 216 13 7.8 11.0 34 102 16154 240 13 11.3 6.5 | 230 13 9.9 8.3 35 100 16280 210 15 7.5 13.0 | 203 16 6.2 14.8 36 97 16459 210 15 7.5 13.0 | 203 16 6.2 14.8 37 93 16764 190 17 3.0 16.7 | 185 19 1.6 18.5 38 88 17069 230 35 26.8 22.5 | 226 35 25.5 24.3 39 84 17374 225 31 21.9 21.9 | 221 31 20.6 23.7 40 80 17678 260 21 20.7 3.6 | 254 20 19.3 5.4 41 76 17983 315 15 10.6 -10.6 | 314 13 9.3 -8.8 42 70 18520 185 13 1.1 13.0 | 179 15 -0.2 14.7 43 69 18593 155 9 -3.8 8.2 | 153 11 -5.2 9.9 44 66 18898 190 13 2.3 12.8 | 184 15 0.9 14.6 45 63 19202 225 11 7.8 7.8 | 214 12 6.4 9.5 46 60 19507 225 9 6.4 6.4 | 212 10 5.0 8.1 47 57 19812 0 0 -0.0 -0.0 | 143 2 -1.3 1.8 48 54 20117 115 9 -8.2 3.8 | 120 11 -9.5 5.6 49 50 20620 210 3 1.5 2.6 | 182 4 0.2 4.4 50 49 20726 170 9 -1.6 8.9 | 165 11 -2.9 10.6 51 47 21031 95 9 -9.0 0.8 | 104 11 -10.3 2.6 52 45 21336 130 11 -8.4 7.1 | 132 13 -9.8 8.8 53 43 21641 110 9 -8.5 3.1 | 116 11 -9.8 4.8 54 41 21946 130 13 -10.0 8.4 | 132 15 -11.3 10.1 55 37 22555 170 9 -1.6 8.9 | 165 11 -2.9 10.6 56 32 23470 165 9 -2.3 8.7 | 161 11 -3.7 10.5 57 30 23774 165 9 -2.3 8.7 | 161 11 -3.7 10.5 58 30 23850 195 1 0.3 1.0 | 158 3 -1.1 2.7 59 28 24384 45 9 -6.4 -6.4 | 59 9 -7.7 -4.6 60 26 24689 50 15 -11.5 -9.6 | 58 15 -12.8 -7.9 61 25 24994 100 11 -10.8 1.9 | 107 13 -12.2 3.7 62 24 25298 55 9 -7.4 -5.2 | 69 9 -8.7 -3.4 63 20 26430 115 17 -15.4 7.2 | 118 19 -16.8 9.0 64 20 26518 105 19 -18.4 4.9 | 109 21 -19.7 6.7 65 18 26822 120 19 -16.5 9.5 | 122 21 -17.8 11.3 66 16 27127 115 15 -13.6 6.3 | 118 17 -14.9 8.1 67 14 27737 155 15 -6.3 13.6 | 153 17 -7.7 15.4 68 13 28042 155 3 -1.3 2.7 | 150 5 -2.6 4.5 69 11 28651 150 9 -4.5 7.8 | 149 11 -5.8 9.6 Wind Parameters Mean winds (0-6000m): 292.7 at 3.0 knts Storm direction: 322.7 at 2.2 knts Shear (0-3000m) pos: 2.1 neg: 1.6 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 104.0 deg Storm rel helicity (0-3000m) pos: 31.2 neg: -6.2 tot: 25.1 m^2/s^2 ave: 8.4 10^-3 m/s^2 rel: 0.34 Storm rel vorticity (0-3000m) horiz: 5.5 stream: 1.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.21 Bulk Shear: 3.72 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 58 3 93 4| 0.0 2.5 2.5| 0.0 -2.3 -2.3 -4.6 -0.85| 2.6 -2.2 1000 41 4 74 4| 0.0 5.3 5.3| 0.0 -6.2 -6.2 -6.2 -0.46| 6.0 -2.7 1500 36 5 62 5| 4.1 3.5 7.6| 29.2 -6.2 23.0 15.4 0.29| 9.3 2.7 2000 35 4 68 4| 3.2 2.6 5.9| 30.3 -6.2 24.2 12.1 0.32| 7.4 2.4 2500 33 3 72 3| 2.5 2.1 4.6| 30.6 -6.2 24.4 9.8 0.32| 6.2 2.0 3000 25 3 69 3| 2.1 1.6 3.7| 31.2 -6.2 25.1 8.4 0.34| 5.5 1.9 4000 342 3 15 1| 1.1 1.1 2.2| 32.8 -6.2 26.5 6.6 0.32| 5.0 1.6 5000 322 3 320 1| 0.9 0.8 1.6| 33.3 -6.4 26.9 5.4 0.29| 4.6 1.3 6000 293 3 246 2| 0.7 0.6 1.4| 34.3 -6.5 27.8 4.6 0.30| 4.0 1.2 Wrote GIF file: /home/apache/climate/data/raob//LBSF/skewt/LBSF.skewt.20250421.12.gif