UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101806.upa.cvt Date: 0600Z 18 OCT 25 Searching for LBSF... Searching the city database file for: LBSF ... Date:0600Z 18 OCT 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 162 SFC 950 595 10.2 8.8 91 1.4 9.4 110 1 287.5 288.8 284.8 308.6 7.50 2 925 813 8.4 7.9 97 0.5 8.1 125 3 287.9 289.2 284.7 308.3 7.24 3 889 1140 6.4 6.2 99 0.2 6.3 163 3 289.1 290.3 284.6 308.1 6.70 4 850 1508 5.6 5.5 99 0.1 5.5 225 3 292.0 293.2 285.7 311.2 6.67 5 757 2451 1.8 1.8 100 0.0 1.8 275 17 297.7 298.8 287.0 314.7 5.76 6 700 3079 -1.5 -2.2 95 0.7 -1.9 245 21 300.8 301.7 287.0 314.8 4.65 7 611 4148 -8.3 -8.3 100 0.0 -8.3 267 19 304.9 305.5 287.2 315.3 3.35 8 600 4289 -8.1 -11.5 76 3.4 -9.4 270 19 306.7 307.2 287.1 315.1 2.64 9 555 4889 -12.9 -13.4 96 0.5 -13.0 265 25 308.0 308.4 287.3 315.8 2.45 10 518 5413 -14.7 -21.7 55 7.0 -16.6 265 18 311.9 312.2 287.5 316.3 1.30 11 516 5442 -14.9 -26.9 35 12.0 -17.6 263 18 312.0 312.2 287.0 314.8 0.82 12 500 5680 -16.5 -21.5 65 5.0 -17.8 265 19 312.9 313.2 287.9 317.5 1.37 13 475 6064 -19.3 -22.8 74 3.5 -20.1 264 21 314.1 314.3 288.2 318.4 1.29 14 426 6865 -25.1 -33.1 47 8.0 -26.3 261 25 316.6 316.7 288.3 318.6 0.55 15 400 7320 -28.9 -34.9 56 6.0 -29.7 260 27 317.4 317.5 288.5 319.2 0.49 16 354 8179 -36.7 -40.1 71 3.4 -37.0 260 27 318.2 318.3 288.5 319.4 0.33 17 350 8257 -36.7 -50.7 22 14.0 -37.5 260 28 319.3 319.3 288.6 319.7 0.10 18 332 8621 -38.3 -58.3 10 20.0 -39.2 260 45 321.9 321.9 289.4 322.1 0.04 19 300 9310 -43.3 -52.3 36 9.0 -43.7 260 58 324.3 324.4 290.2 324.7 0.10 20 277 9845 -47.5 -54.5 44 7.0 -47.7 260 59 325.8 325.8 290.6 326.1 0.08 21 255 10391 -51.2 -59.8 35 8.6 -51.4 260 64 328.1 328.1 291.2 328.3 0.05 22 250 10520 -52.1 -61.1 33 9.0 -52.3 260 62 328.6 328.6 291.4 328.8 0.04 23 244 10676 -53.1 -62.1 33 9.0 -53.3 260 64 329.4 329.4 291.6 329.6 0.04 24 235 10916 -54.1 -65.1 25 11.0 -54.3 259 63 331.4 331.5 292.2 331.6 0.03 25 206 11746 -59.3 -68.3 30 9.0 -59.4 260 54 336.0 336.0 293.3 336.1 0.02 26 200 11930 -59.1 -71.1 20 12.0 -59.2 265 44 339.2 339.2 294.1 339.2 0.01 27 150 13740 -57.9 -80.9 4 23.0 -58.2 255 44 370.3 370.3 300.6 370.3 0.00 28 140 14174 -57.1 -82.1 3 25.0 -57.4 255 37 379.1 379.1 302.1 379.1 0.00 29 100 16280 -60.1 -84.1 3 24.0 -60.4 265 40 411.6 411.6 306.7 411.6 0.00 30 70 18490 -62.5 -87.5 2 25.0 -62.8 255 40 450.7 450.7 310.9 450.7 0.00 31 50 20580 -60.7 -87.7 2 27.0 -61.2 255 42 500.4 500.4 315.0 500.5 0.00 32 37 22454 -61.5 -87.5 2 26.0 -62.1 270 35 543.4 543.4 317.7 543.4 0.00 33 30 23760 -60.3 -88.3 1 28.0 -61.2 285 27 580.3 580.3 319.7 580.3 0.01 TRP 37 22454 -61.5 -87.5 2 26.0 -62.1 270 35 543.4 543.4 317.7 543.4 0.00 WND 255 10391 -51.2 -59.8 35 8.6 -51.4 260 64 328.1 328.1 291.2 328.3 0.05 Sounding variables and indices 1000-500 mb thick: 5518.00 m Freezing level: 725.91 mb = 2793.34 m = 9164.39 ft Wetbulb zero: 729.11 mb = 2751.91 m = 9028.48 ft Precipitable water: 0.91 inches Sfc-500 mean rel hum: 91.23 % Est. max temperature: 17.55 C = 63.60 F Sfc-Lift cond lev (LCL): 930.06 mb = 768.37 m = 2520.86 ft T: 8.77 C 700-500 lapse rate: 5.77 C/km ThetaE index: 0.47 C Layer 925.0- 850.0 mb Conv cond level (CCL): 897.16 mb = 1064.89 m = 3493.70 ft Mean mixing ratio: 6.95 g/kg Conv temperature: 11.48 C = 52.67 F Cap Strength: 6.29 C Lifted Index: 6.57 C Risk: None Lifted Index @300 mb: 11.20 C Lifted Index @700 mb: 3.20 C Showalter Index: 5.10 C Risk: None Total Totals Index: 44.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.10 C Cross Totals Index: 22.00 C K Index: 26.90 Risk: 40-60 % chance of thunderstorms Sweat Index: 91.00 Risk: None Energy Index: 1.25 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.92 J/kg Max Up Vert Vel: 5.99 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 6.52 C Lift Cond Lev (LCL): 893.04 mb = 1102.78 m = 3617.99 ft Lev Free Conv (LFC): 888.04 mb = 1149.00 m = 3769.66 ft Equ Level (EL): 878.04 mb = 1241.86 m = 4074.29 ft B at Equ Level: 17.42 J/kg Max Parcel Lev (MPL): 818.04 mb = 1819.73 m = 5970.17 ft Wind level data Storm motion: 291 at 12 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 ---------------------------------------------------------- 0 950 595 110 1 -0.9 0.3 | 111 13 -12.6 4.8 1 925 813 125 3 -2.5 1.7 | 114 15 -14.1 6.2 2 914 914 125 3 -2.5 1.7 | 114 15 -14.1 6.2 3 850 1508 225 3 2.1 2.1 | 125 12 -9.5 6.6 4 817 1829 235 9 7.4 5.2 | 156 11 -4.3 9.6 5 787 2134 245 15 13.6 6.3 | 190 11 2.0 10.8 6 758 2438 275 17 16.9 -1.5 | 241 6 5.3 3.0 7 703 3048 255 23 22.2 6.0 | 226 15 10.6 10.4 8 700 3079 245 21 19.0 8.9 | 209 15 7.4 13.3 9 600 4267 270 19 19.0 -0.0 | 239 9 7.4 4.4 10 555 4877 265 25 24.9 2.2 | 244 15 13.3 6.6 11 533 5182 280 21 20.7 -3.6 | 265 9 9.0 0.8 12 513 5486 260 17 16.7 3.0 | 215 9 5.1 7.4 13 500 5680 265 19 18.9 1.7 | 230 10 7.3 6.1 14 400 7320 260 27 26.6 4.7 | 239 18 15.0 9.1 15 351 8230 260 27 26.6 4.7 | 239 18 15.0 9.1 16 321 8839 260 56 55.1 9.7 | 252 46 43.5 14.2 17 300 9310 260 58 57.1 10.1 | 252 48 45.5 14.5 18 268 10058 260 60 59.1 10.4 | 253 50 47.5 14.9 19 255 10391 260 64 63.0 11.1 | 253 54 51.4 15.5 20 250 10520 260 62 61.1 10.8 | 253 52 49.4 15.2 21 244 10668 260 64 63.0 11.1 | 253 54 51.4 15.5 22 211 11582 255 62 59.9 16.0 | 247 52 48.3 20.5 23 200 11930 265 44 43.8 3.8 | 256 33 32.2 8.3 24 192 12192 265 44 43.8 3.8 | 256 33 32.2 8.3 25 174 12802 260 36 35.5 6.3 | 246 26 23.8 10.7 26 150 13740 255 44 42.5 11.4 | 243 35 30.9 15.8 27 137 14326 255 35 33.8 9.1 | 239 26 22.2 13.5 28 124 14935 265 38 37.9 3.3 | 254 27 26.2 7.7 29 112 15545 255 36 34.8 9.3 | 239 27 23.1 13.8 30 102 16154 270 38 38.0 -0.0 | 260 27 26.4 4.4 31 100 16280 265 40 39.8 3.5 | 254 29 28.2 7.9 32 97 16459 265 40 39.8 3.5 | 254 29 28.2 7.9 33 88 17069 250 42 39.5 14.4 | 236 34 27.8 18.8 34 80 17678 265 38 37.9 3.3 | 254 27 26.2 7.7 35 76 17983 250 35 32.9 12.0 | 232 27 21.3 16.4 36 72 18288 245 44 39.9 18.6 | 231 36 28.2 23.0 37 70 18490 255 40 38.6 10.4 | 241 31 27.0 14.8 38 66 18898 265 48 47.8 4.2 | 257 37 36.2 8.6 39 57 19812 285 38 36.7 -9.8 | 282 26 25.1 -5.4 40 54 20117 265 27 26.9 2.4 | 246 17 15.3 6.8 41 51 20422 245 35 31.7 14.8 | 226 28 20.1 19.2 42 50 20580 255 42 40.6 10.9 | 242 33 28.9 15.3 43 49 20726 255 42 40.6 10.9 | 242 33 28.9 15.3 44 47 21031 265 40 39.8 3.5 | 254 29 28.2 7.9 45 44 21336 250 40 37.6 13.7 | 235 32 26.0 18.1 46 40 21946 275 31 30.9 -2.7 | 265 19 19.2 1.7 47 37 22454 270 35 35.0 -0.0 | 259 24 23.4 4.4 48 36 22555 265 44 43.8 3.8 | 256 33 32.2 8.3 49 33 23165 265 40 39.8 3.5 | 254 29 28.2 7.9 50 31 23470 295 35 31.7 -14.8 | 297 23 20.1 -10.4 51 30 23760 285 27 26.1 -7.0 | 280 15 14.4 -2.6 52 28 24079 285 23 22.2 -6.0 | 278 11 10.6 -1.5 53 23 24689 280 27 26.6 -4.7 | 271 15 15.0 -0.3 Wind Parameters Mean winds (0-6000m): 260.9 at 16.6 knts Storm direction: 290.9 at 12.4 knts Shear (0-3000m) pos: 3.5 neg: 1.5 tot: 5.0 10-3/s Storm rel Dir Shear (0-3000m): 109.3 deg Storm rel helicity (0-3000m) pos: 72.6 neg: -23.4 tot: 49.1 m^2/s^2 ave: 16.4 10^-3 m/s^2 rel: 0.42 Storm rel vorticity (0-3000m) horiz: 7.5 stream: 3.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.40 Bulk Shear: 44.69 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 ------------------------------------------------------------------------------- 500 130 3 114 15| 2.5 0.0 2.5| 8.5 0.0 8.5 17.0 0.59| 3.8 2.2 1000 165 3 120 14| 2.7 0.0 2.7| 18.3 0.0 18.3 18.3 0.58| 4.5 2.6 1500 220 5 135 12| 5.1 0.0 5.1| 46.1 0.0 46.1 30.7 0.80| 6.5 5.2 2000 246 8 150 9| 5.0 0.0 5.0| 63.3 -0.6 62.7 31.3 0.77| 7.5 5.8 2500 252 11 168 8| 4.0 1.8 5.8| 63.3 -23.4 39.9 16.0 0.40| 8.2 3.3 3000 252 12 180 8| 3.5 1.5 5.0| 72.6 -23.4 49.1 16.4 0.42| 7.5 3.2 4000 256 14 196 8| 3.1 1.1 4.2| 83.5 -23.4 60.1 15.0 0.44| 6.7 2.9 5000 260 16 208 8| 2.6 1.4 4.0|100.0 -40.0 60.0 12.0 0.30| 7.2 2.1 6000 261 17 214 9| 2.4 1.2 3.6|106.7 -40.0 66.7 11.1 0.31| 6.5 2.0 Wrote GIF file: /home/apache/climate/data/raob//LBSF/skewt/LBSF.skewt.20251018.06.gif