UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042806.upa.cvt Date: 0600Z 28 APR 25 Searching for LBSF... Searching the city database file for: LBSF ... Date:0600Z 28 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 240 SFC 959 595 7.4 3.4 76 4.0 5.4 110 3 283.9 284.8 280.6 298.2 5.09 2 925 882 4.6 1.8 82 2.8 3.3 120 9 284.0 284.8 280.1 297.2 4.71 3 916 962 3.8 1.6 86 2.2 2.8 118 10 284.0 284.8 280.1 297.1 4.69 4 879 1297 3.6 2.5 93 1.1 3.1 102 15 287.1 288.1 282.1 301.9 5.21 5 856 1513 2.8 2.8 100 0.0 2.8 92 15 288.5 289.5 283.0 304.1 5.47 6 850 1570 2.4 2.4 100 0.0 2.4 90 15 288.7 289.6 283.0 303.9 5.35 7 772 2341 -2.1 -2.1 100 0.0 -2.1 73 13 291.9 292.6 283.1 304.2 4.24 8 762 2445 -1.1 -4.8 76 3.7 -2.7 70 13 294.0 294.7 283.2 304.4 3.51 9 700 3118 -4.5 -7.3 81 2.8 -5.6 5 11 297.5 298.1 284.2 307.0 3.15 10 687 3265 -5.7 -7.7 86 2.0 -6.5 5 11 297.8 298.3 284.2 307.2 3.12 11 662 3555 -6.9 -11.8 68 4.9 -8.6 46 16 299.6 300.0 284.1 306.8 2.34 12 655 3639 -5.9 -25.9 19 20.0 -10.8 64 18 301.6 301.8 283.0 304.0 0.71 13 571 4701 -12.5 -35.5 13 23.0 -16.5 57 13 306.0 306.0 284.2 307.1 0.33 14 500 5700 -20.5 -43.5 11 23.0 -23.2 60 19 308.0 308.1 284.8 308.6 0.16 15 473 6106 -23.5 -47.5 9 24.0 -25.8 50 19 309.3 309.3 285.2 309.7 0.11 16 400 7300 -34.1 -49.1 21 15.0 -35.1 60 19 310.7 310.7 285.7 311.1 0.11 17 343 8357 -43.1 -52.1 37 9.0 -43.5 59 22 312.4 312.4 286.3 312.8 0.09 18 340 8417 -43.1 -63.1 9 20.0 -43.6 61 22 313.2 313.2 286.5 313.3 0.02 19 300 9250 -49.1 -60.1 27 11.0 -49.4 75 21 316.1 316.2 287.5 316.3 0.04 20 259 10197 -56.3 -63.3 41 7.0 -56.4 75 16 319.1 319.1 288.5 319.2 0.03 21 250 10420 -57.7 -64.7 40 7.0 -57.8 65 15 320.3 320.3 288.9 320.4 0.03 22 228 10997 -61.3 -67.3 45 6.0 -61.4 62 19 323.3 323.3 289.8 323.4 0.02 23 218 11275 -62.1 -71.1 29 9.0 -62.2 60 21 326.3 326.3 290.7 326.3 0.01 24 200 11810 -60.1 -77.1 9 17.0 -60.2 120 3 337.6 337.6 293.7 337.6 0.01 25 180 12473 -56.5 -80.5 3 24.0 -56.8 334 3 353.8 353.8 297.4 353.8 0.00 26 150 13630 -56.7 -83.7 2 27.0 -57.0 250 9 372.4 372.4 301.0 372.4 0.00 27 138 14160 -55.5 -84.5 2 29.0 -55.9 252 14 383.5 383.5 302.8 383.5 0.00 28 100 16200 -57.9 -86.9 1 29.0 -58.3 270 15 415.9 415.9 307.2 415.9 0.00 29 70 18440 -57.3 -87.3 1 30.0 -57.9 240 15 461.8 461.8 312.0 461.8 0.00 30 50 20560 -56.9 -86.9 1 30.0 -57.7 275 11 509.4 509.4 315.6 509.4 0.00 31 30 23800 -54.9 -86.9 1 32.0 -56.5 40 3 595.0 595.0 320.4 595.0 0.01 TRP 218 11275 -62.1 -71.1 29 9.0 -62.2 60 21 326.3 326.3 290.7 326.3 0.01 WND Sounding variables and indices 1000-500 mb thick: 5460.00 m Freezing level: 808.40 mb = 1981.42 m = 6500.66 ft Wetbulb zero: 808.13 mb = 1974.89 m = 6479.21 ft Precipitable water: 0.55 inches Sfc-500 mean rel hum: 56.23 % Est. max temperature: 13.71 C = 56.68 F Sfc-Lift cond lev (LCL): 902.04 mb = 1086.79 m = 3565.54 ft T: 3.73 C 700-500 lapse rate: 6.20 C/km ThetaE index: 1.03 C Layer 925.0- 879.0 mb Conv cond level (CCL): 824.71 mb = 1812.07 m = 5945.03 ft Mean mixing ratio: 4.99 g/kg Conv temperature: 13.08 C = 55.54 F Cap Strength: 8.81 C Lifted Index: 8.89 C Risk: None Lifted Index @300 mb: 11.93 C Lifted Index @700 mb: 5.27 C Showalter Index: 5.79 C Risk: None Total Totals Index: 45.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.90 C Cross Totals Index: 22.90 C K Index: 22.50 Risk: 20-40 % chance of thunderstorms Sweat Index: 77.80 Risk: None Energy Index: 1.03 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.48 J/kg Max Up Vert Vel: 5.91 m/s Conv Inhibition (B-): 33828.21 J/kg Cap Strength: 8.86 C Lift Cond Lev (LCL): 879.02 mb = 1297.34 m = 4256.30 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 95 at 11 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 ---------------------------------------------------------- 0 959 595 110 3 -2.8 1.0 | 269 8 7.7 0.2 1 925 882 120 9 -7.8 4.5 | 217 5 2.8 3.6 2 921 914 120 9 -7.8 4.5 | 217 5 2.8 3.6 3 887 1219 105 15 -14.5 3.9 | 128 5 -3.9 3.0 4 850 1570 90 15 -15.0 0.0 | 79 5 -4.4 -0.9 5 792 2134 80 13 -12.8 -2.3 | 36 4 -2.2 -3.1 6 734 2743 60 13 -11.3 -6.5 | 5 7 -0.7 -7.4 7 706 3048 10 11 -1.9 -10.8 | 324 15 8.6 -11.7 8 700 3118 5 11 -1.0 -11.0 | 321 15 9.6 -11.8 9 679 3353 5 11 -1.0 -11.0 | 321 15 9.6 -11.8 10 652 3658 70 19 -17.9 -6.5 | 45 10 -7.3 -7.4 11 603 4267 60 13 -11.3 -6.5 | 5 7 -0.7 -7.4 12 557 4877 55 13 -10.6 -7.5 | 1 8 -0.1 -8.3 13 514 5486 70 13 -12.2 -4.4 | 17 6 -1.7 -5.3 14 500 5700 60 19 -16.5 -9.5 | 30 12 -5.9 -10.4 15 473 6096 50 19 -14.6 -12.2 | 17 14 -4.0 -13.1 16 400 7300 60 19 -16.5 -9.5 | 30 12 -5.9 -10.4 17 399 7315 60 19 -16.5 -9.5 | 30 12 -5.9 -10.4 18 365 7925 45 19 -13.4 -13.4 | 11 15 -2.9 -14.3 19 319 8839 75 25 -24.1 -6.5 | 62 15 -13.6 -7.3 20 300 9250 75 21 -20.3 -5.4 | 57 12 -9.7 -6.3 21 291 9449 75 21 -20.3 -5.4 | 57 12 -9.7 -6.3 22 277 9754 95 19 -18.9 1.7 | 95 8 -8.4 0.8 23 250 10420 65 15 -13.6 -6.3 | 23 8 -3.0 -7.2 24 240 10668 65 17 -15.4 -7.2 | 31 9 -4.9 -8.0 25 218 11275 60 21 -18.2 -10.5 | 34 14 -7.6 -11.4 26 218 11278 75 21 -20.3 -5.4 | 57 12 -9.7 -6.3 27 207 11582 65 23 -20.8 -9.7 | 44 15 -10.3 -10.6 28 200 11810 120 3 -2.6 1.5 | 265 8 8.0 0.6 29 198 11887 70 15 -14.1 -5.1 | 31 7 -3.5 -6.0 30 188 12192 0 0 -0.0 -0.0 | 275 11 10.6 -0.9 31 163 13106 275 9 9.0 -0.8 | 275 20 19.5 -1.6 32 155 13411 290 11 10.3 -3.8 | 282 21 20.9 -4.6 33 150 13630 250 9 8.5 3.1 | 263 19 19.0 2.2 34 141 14021 250 9 8.5 3.1 | 263 19 19.0 2.2 35 134 14326 255 21 20.3 5.4 | 262 31 30.8 4.6 36 128 14630 275 17 16.9 -1.5 | 275 28 27.5 -2.3 37 122 14935 245 19 17.2 8.0 | 256 29 27.8 7.2 38 116 15240 250 23 21.6 7.9 | 258 33 32.2 7.0 39 111 15545 270 23 23.0 -0.0 | 271 34 33.6 -0.9 40 101 16154 295 17 15.4 -7.2 | 287 27 26.0 -8.0 41 100 16200 270 15 15.0 -0.0 | 272 26 25.6 -0.9 42 96 16459 270 15 15.0 -0.0 | 272 26 25.6 -0.9 43 91 16764 295 15 13.6 -6.3 | 287 25 24.1 -7.2 44 87 17069 255 13 12.6 3.4 | 264 23 23.1 2.5 45 83 17374 285 11 10.6 -2.8 | 280 22 21.2 -3.7 46 79 17678 270 11 11.0 -0.0 | 272 22 21.6 -0.9 47 75 17983 290 9 8.5 -3.1 | 282 19 19.0 -3.9 48 72 18288 230 11 8.4 7.1 | 252 20 19.0 6.2 49 70 18440 240 15 13.0 7.5 | 254 24 23.5 6.6 50 68 18593 240 15 13.0 7.5 | 254 24 23.5 6.6 51 62 19202 295 9 8.2 -3.8 | 284 19 18.7 -4.7 52 59 19507 240 9 7.8 4.5 | 259 19 18.3 3.6 53 56 19812 260 9 8.9 1.6 | 268 19 19.4 0.7 54 54 20117 250 13 12.2 4.4 | 261 23 22.8 3.6 55 51 20422 235 15 12.3 8.6 | 251 24 22.8 7.7 56 50 20560 275 11 11.0 -1.0 | 275 22 21.5 -1.8 57 49 20726 250 11 10.3 3.8 | 262 21 20.9 2.9 58 46 21031 295 11 10.0 -4.6 | 285 21 20.5 -5.5 59 44 21336 185 15 1.3 14.9 | 220 18 11.9 14.1 60 40 21946 260 11 10.8 1.9 | 267 21 21.4 1.1 61 38 22250 275 9 9.0 -0.8 | 275 20 19.5 -1.6 62 30 23800 40 3 -1.9 -2.3 | 290 9 8.6 -3.2 63 25 24384 180 9 0.0 9.0 | 232 13 10.6 8.1 64 23 24689 200 11 3.8 10.3 | 236 17 14.3 9.5 65 20 25298 200 5 1.7 4.7 | 253 13 12.3 3.8 Wind Parameters Mean winds (0-6000m): 64.7 at 14.1 knts Storm direction: 94.7 at 10.6 knts Shear (0-3000m) pos: 3.9 neg: 3.2 tot: 7.1 10-3/s Storm rel Dir Shear (0-3000m): 112.0 deg Storm rel helicity (0-3000m) pos: 46.4 neg: -51.2 tot: -4.8 m^2/s^2 ave: -1.6 10^-3 m/s^2 rel: -0.32 Storm rel vorticity (0-3000m) horiz: 8.6 stream: -2.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.07 Bulk Shear: 16.35 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 ------------------------------------------------------------------------------- 500 116 8 233 4| 9.8 0.0 9.8| 0.0 -10.8 -10.8 -21.5 -0.86| 10.4 -8.9 1000 105 11 171 2| 4.9 2.9 7.8| 0.0 -18.3 -18.3 -18.3 -0.91| 8.7 -7.9 1500 97 12 115 2| 3.3 2.3 5.6| 0.0 -21.2 -21.2 -14.1 -0.91| 6.7 -6.2 2000 91 12 71 2| 2.5 2.6 5.0| 0.0 -24.4 -24.4 -12.2 -0.88| 6.0 -5.2 2500 83 12 35 3| 2.0 3.8 5.8| 0.0 -50.3 -50.3 -20.1 -0.82| 7.3 -6.0 3000 73 12 16 5| 3.9 3.2 7.1| 46.4 -51.2 -4.8 -1.6 -0.32| 8.6 -2.7 4000 70 13 19 6| 2.8 2.6 5.4| 57.6 -64.4 -6.8 -1.7 -0.29| 7.9 -2.3 5000 68 13 16 6| 2.6 2.1 4.7| 63.4 -64.9 -1.6 -0.3 -0.22| 7.0 -1.5 6000 65 14 18 7| 2.3 2.1 4.4| 68.5 -74.4 -6.0 -1.0 -0.21| 6.5 -1.4 Wrote GIF file: /home/apache/climate/data/raob//LBSF/skewt/LBSF.skewt.20250428.06.gif