UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041812.upa.cvt Date: 1200Z 18 APR 25 Searching for LBSF... Searching the city database file for: LBSF ... Date:1200Z 18 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 96 SFC 944 595 19.6 6.6 43 13.0 12.1 70 1 297.6 298.8 287.6 316.7 6.48 2 925 766 16.2 5.2 48 11.0 10.1 70 3 295.9 297.0 286.5 313.4 6.00 3 923 784 16.0 5.0 48 11.0 9.9 63 3 295.9 296.9 286.5 313.2 5.93 4 855 1428 10.2 4.2 66 6.0 7.0 307 3 296.3 297.4 286.8 314.1 6.05 5 850 1477 10.6 2.6 58 8.0 6.4 300 3 297.3 298.2 286.5 313.3 5.43 6 700 3059 -1.1 -3.0 87 1.9 -2.0 170 19 301.3 302.1 286.9 314.5 4.38 7 664 3476 -4.7 -4.7 100 0.0 -4.7 168 23 301.8 302.5 286.8 314.1 4.06 8 620 4011 -8.3 -13.3 67 5.0 -10.0 167 27 303.7 304.1 285.5 310.6 2.21 9 601 4251 -10.7 -11.7 92 1.0 -11.1 178 25 303.6 304.1 285.9 311.7 2.60 10 593 4354 -10.5 -17.5 56 7.0 -12.6 181 27 305.0 305.3 285.4 310.2 1.63 11 577 4564 -11.5 -24.5 33 13.0 -14.6 182 32 306.2 306.4 285.0 309.2 0.91 12 574 4604 -11.7 -22.7 40 11.0 -14.5 183 33 306.4 306.6 285.3 310.0 1.07 13 568 4684 -11.1 -38.1 9 27.0 -15.7 183 35 308.1 308.1 284.9 309.0 0.25 14 545 5000 -13.1 -43.1 6 30.0 -17.4 186 39 309.3 309.4 285.3 309.9 0.16 15 500 5650 -17.3 -45.3 7 28.0 -20.8 195 35 311.9 312.0 286.2 312.4 0.13 16 489 5817 -17.9 -33.9 23 16.0 -20.7 197 34 313.2 313.3 287.0 314.8 0.44 17 400 7280 -31.1 -41.1 37 10.0 -32.1 195 36 314.6 314.6 287.2 315.5 0.26 18 351 8191 -39.5 -45.5 53 6.0 -39.9 177 35 315.2 315.3 287.4 315.9 0.19 19 324 8734 -43.1 -59.1 16 16.0 -43.6 175 38 317.5 317.6 288.0 317.7 0.04 20 321 8797 -43.1 -67.1 5 24.0 -43.7 176 39 318.4 318.4 288.2 318.4 0.01 21 300 9250 -46.1 -66.1 9 20.0 -46.6 190 36 320.4 320.4 288.9 320.4 0.02 22 286 9567 -48.1 -68.1 8 20.0 -48.5 198 36 321.9 321.9 289.3 322.0 0.01 23 250 10450 -50.3 -71.3 7 21.0 -50.7 210 33 331.3 331.3 292.1 331.3 0.01 24 241 10688 -51.7 -70.7 9 19.0 -52.0 210 29 332.7 332.7 292.4 332.7 0.01 25 200 11900 -49.3 -82.3 1 33.0 -49.8 245 29 354.7 354.7 297.6 354.7 0.00 26 194 12100 -48.9 -82.9 1 34.0 -49.5 248 25 358.4 358.4 298.4 358.5 0.00 27 150 13780 -51.5 -84.5 1 33.0 -52.1 250 17 381.3 381.3 302.5 381.3 0.00 28 102 16227 -59.7 -88.7 1 29.0 -60.0 289 8 410.0 410.1 306.5 410.1 0.00 29 100 16350 -59.7 -88.7 1 29.0 -60.0 250 7 412.4 412.4 306.8 412.4 0.00 30 70 18570 -58.7 -88.7 1 30.0 -59.2 115 5 458.8 458.8 311.7 458.8 0.00 31 50 20680 -60.5 -90.5 1 30.0 -61.0 120 13 500.9 500.9 315.0 500.9 0.00 32 30 23880 -59.3 -90.3 1 31.0 -60.3 115 23 583.0 583.0 319.8 583.0 0.00 33 20 26460 -54.3 -89.3 1 35.0 -56.7 115 13 670.0 670.0 323.4 670.0 0.01 TRP 241 10688 -51.7 -70.7 9 19.0 -52.0 210 29 332.7 332.7 292.4 332.7 0.01 WND Sounding variables and indices 1000-500 mb thick: 5554.00 m Freezing level: 714.10 mb = 2910.27 m = 9548.00 ft Wetbulb zero: 735.31 mb = 2658.01 m = 8720.41 ft Precipitable water: 0.70 inches Sfc-500 mean rel hum: 57.39 % Est. max temperature: 20.68 C = 69.23 F Sfc-Lift cond lev (LCL): 777.71 mb = 2201.27 m = 7221.92 ft T: 5.24 C 700-500 lapse rate: 6.25 C/km ThetaE index: 3.47 C Layer 925.0- 855.0 mb Conv cond level (CCL): 735.89 mb = 2651.61 m = 8699.39 ft Mean mixing ratio: 5.98 g/kg Conv temperature: 22.22 C = 72.00 F Cap Strength: 2.61 C Lifted Index: 2.63 C Risk: None Lifted Index @300 mb: 4.92 C Lifted Index @700 mb: 1.17 C Showalter Index: 2.95 C Risk: Showers probable Total Totals Index: 47.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.90 C Cross Totals Index: 19.90 C K Index: 28.60 Risk: 40-60 % chance of thunderstorms Sweat Index: 72.20 Risk: None Energy Index: -0.14 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.59 J/kg Max Up Vert Vel: 4.38 m/s Conv Inhibition (B-): 115.80 J/kg Cap Strength: 2.61 C Lift Cond Lev (LCL): 778.69 mb = 2190.98 m = 7188.15 ft Lev Free Conv (LFC): 623.69 mb = 3964.75 m = 13007.55 ft Equ Level (EL): 583.69 mb = 4475.31 m = 14682.58 ft B at Equ Level: 7.85 J/kg Max Parcel Lev (MPL): 563.69 mb = 4742.21 m = 15558.24 ft Wind level data Storm motion: 216 at 15 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 ---------------------------------------------------------- 0 944 595 70 1 -0.9 -0.3 | 38 16 -9.7 -12.7 1 942 610 0 0 -0.0 -0.0 | 36 15 -8.8 -12.3 2 925 766 70 3 -2.8 -1.0 | 41 18 -11.6 -13.3 3 909 914 15 5 -1.3 -4.8 | 30 20 -10.1 -17.2 4 850 1477 300 3 2.6 -1.5 | 24 15 -6.2 -13.8 5 784 2134 325 1 0.6 -0.8 | 32 16 -8.2 -13.1 6 755 2438 185 3 0.3 3.0 | 42 13 -8.5 -9.3 7 728 2743 150 9 -4.5 7.8 | 71 14 -13.3 -4.5 8 701 3048 170 15 -2.6 14.8 | 102 12 -11.4 2.4 9 700 3059 170 19 -3.3 18.7 | 118 14 -12.1 6.4 10 623 3962 165 27 -7.0 26.1 | 131 21 -15.8 13.8 11 598 4267 180 25 0.0 25.0 | 145 15 -8.8 12.7 12 553 4877 185 40 3.5 39.8 | 169 28 -5.3 27.5 13 500 5650 195 35 9.1 33.8 | 181 21 0.3 21.5 14 451 6401 205 29 12.3 26.3 | 194 14 3.5 14.0 15 415 7010 205 35 14.8 31.7 | 197 20 6.0 19.4 16 400 7280 195 36 9.3 34.8 | 181 22 0.5 22.4 17 333 8534 170 35 -6.1 34.5 | 146 27 -14.9 22.1 18 305 9144 185 44 3.8 43.8 | 171 32 -5.0 31.5 19 300 9250 190 36 6.3 35.5 | 174 23 -2.5 23.1 20 265 10058 210 36 18.0 31.2 | 206 21 9.2 18.9 21 250 10450 210 33 16.5 28.6 | 205 18 7.7 16.3 22 241 10688 210 29 14.5 25.1 | 204 14 5.7 12.8 23 231 10973 210 29 14.5 25.1 | 204 14 5.7 12.8 24 220 11278 210 35 17.5 30.3 | 206 20 8.7 18.0 25 210 11582 225 40 28.3 28.3 | 231 25 19.5 16.0 26 200 11887 240 31 26.8 15.5 | 260 18 18.0 3.2 27 200 11900 245 29 26.3 12.3 | 270 17 17.5 -0.1 28 191 12192 250 23 21.6 7.9 | 289 14 12.8 -4.5 29 183 12497 225 21 14.8 14.8 | 247 7 6.1 2.5 30 174 12802 245 21 19.0 8.9 | 289 11 10.2 -3.4 31 159 13411 200 7 2.4 6.6 | 48 9 -6.4 -5.7 32 151 13716 250 21 19.7 7.2 | 295 12 10.9 -5.1 33 150 13780 250 17 16.0 5.8 | 312 10 7.2 -6.5 34 144 14021 255 17 16.4 4.4 | 316 11 7.6 -7.9 35 138 14326 235 17 13.9 9.8 | 297 6 5.1 -2.6 36 125 14935 250 13 12.2 4.4 | 337 9 3.4 -7.9 37 119 15240 230 17 13.0 10.9 | 288 4 4.2 -1.4 38 108 15850 305 13 10.6 -7.5 | 355 20 1.8 -19.8 39 103 16154 310 9 6.9 -5.8 | 6 18 -1.9 -18.1 40 100 16350 250 7 6.6 2.4 | 13 10 -2.2 -9.9 41 94 16764 250 7 6.6 2.4 | 13 10 -2.2 -9.9 42 85 17374 230 21 16.1 13.5 | 261 7 7.3 1.2 43 81 17678 265 21 20.9 1.8 | 311 16 12.1 -10.5 44 77 17983 295 11 10.0 -4.6 | 356 17 1.2 -17.0 45 73 18288 20 1 -0.3 -0.9 | 35 16 -9.1 -13.3 46 70 18570 115 5 -4.5 2.1 | 53 17 -13.3 -10.2 47 70 18593 25 9 -3.8 -8.2 | 32 24 -12.6 -20.5 48 55 20117 70 9 -8.5 -3.1 | 48 23 -17.3 -15.4 49 50 20680 120 13 -11.3 6.5 | 74 21 -20.1 -5.8 50 50 20726 75 9 -8.7 -2.3 | 50 23 -17.5 -14.7 51 47 21031 120 13 -11.3 6.5 | 74 21 -20.1 -5.8 52 45 21336 125 9 -7.4 5.2 | 66 18 -16.2 -7.2 53 41 21946 100 3 -3.0 0.5 | 45 17 -11.8 -11.8 54 39 22250 110 9 -8.5 3.1 | 62 20 -17.3 -9.2 55 37 22555 125 17 -13.9 9.8 | 84 23 -22.7 -2.6 56 35 22860 90 17 -17.0 0.0 | 64 29 -25.8 -12.3 57 34 23165 135 17 -12.0 12.0 | 89 21 -20.8 -0.3 58 32 23470 125 11 -9.0 6.3 | 71 19 -17.8 -6.0 59 31 23774 50 9 -6.9 -5.8 | 41 24 -15.7 -18.1 60 30 23880 115 23 -20.8 9.7 | 85 30 -29.6 -2.6 61 29 24079 110 23 -21.6 7.9 | 82 31 -30.4 -4.5 62 28 24384 115 19 -17.2 8.0 | 81 26 -26.0 -4.3 63 26 24689 80 17 -16.7 -3.0 | 59 30 -25.5 -15.3 64 23 25603 85 36 -35.9 -3.1 | 71 47 -44.7 -15.5 65 22 25908 95 31 -30.9 2.7 | 76 41 -39.7 -9.6 66 21 26213 135 15 -10.6 10.6 | 85 19 -19.4 -1.7 67 20 26460 115 13 -11.8 5.5 | 72 22 -20.6 -6.8 68 20 26518 120 5 -4.3 2.5 | 53 16 -13.1 -9.8 69 17 27127 85 11 -11.0 -1.0 | 56 24 -19.8 -13.3 70 15 27432 60 19 -16.5 -9.5 | 49 33 -25.3 -21.8 71 13 28042 80 25 -24.6 -4.3 | 63 37 -33.4 -16.7 Wind Parameters Mean winds (0-6000m): 185.5 at 20.2 knts Storm direction: 215.5 at 15.1 knts Shear (0-3000m) pos: 2.4 neg: 1.7 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): 89.9 deg Storm rel helicity (0-3000m) pos: 90.6 neg: -30.6 tot: 60.0 m^2/s^2 ave: 20.0 10^-3 m/s^2 rel: 0.46 Storm rel vorticity (0-3000m) horiz: 7.1 stream: 3.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.13 Bulk Shear: 72.40 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 24 3 33 18| 0.0 4.4 4.4| 5.7 -25.6 -19.9 -39.7 -0.47| 8.6 -4.0 1000 357 3 29 18| 0.0 1.7 1.7| 7.9 -29.1 -21.2 -21.2 -0.33| 6.3 -2.1 1500 344 3 28 17| 0.6 1.1 1.7| 14.6 -29.1 -14.5 -9.7 -0.18| 4.8 -0.9 2000 335 3 27 17| 0.4 1.5 1.9| 34.1 -30.6 3.5 1.8 0.14| 5.7 0.8 2500 165 5 52 13| 2.9 1.2 4.1| 80.7 -30.6 50.1 20.0 0.46| 7.6 3.5 3000 168 7 64 12| 2.4 1.7 4.1| 90.6 -30.6 60.0 20.0 0.46| 7.1 3.3 4000 171 13 90 11| 3.1 1.3 4.3|142.6 -30.6 112.0 28.0 0.51| 7.6 3.9 5000 179 18 121 10| 2.8 1.0 3.8|197.2 -30.6 166.6 33.3 0.52| 7.5 3.9 6000 186 20 139 10| 2.0 0.8 2.9|220.0 -30.6 189.4 31.6 0.51| 7.2 3.7 Wrote GIF file: /home/apache/climate/data/raob//LBSF/skewt/LBSF.skewt.20250418.12.gif