UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120806.upa.cvt Date: 0600Z 8 DEC 25 Searching for LBSF... Searching the city database file for: LBSF ... Date:0600Z 8 DEC 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 161 SFC 949 595 4.2 2.0 86 2.2 3.2 290 5 281.5 282.3 278.9 294.5 4.65 2 925 799 2.4 1.5 94 0.9 2.0 295 13 281.8 282.6 278.9 294.6 4.61 3 899 1030 3.0 1.3 89 1.7 2.2 320 10 284.7 285.5 280.4 297.8 4.67 4 850 1482 0.6 0.5 99 0.1 0.5 20 7 286.8 287.6 281.3 300.0 4.67 5 841 1567 0.2 0.2 100 0.0 0.2 22 9 287.2 288.0 281.5 300.4 4.61 6 753 2449 -2.9 -5.4 83 2.5 -3.9 27 12 293.1 293.7 282.7 303.1 3.39 7 728 2716 -4.7 -8.7 74 4.0 -6.2 25 9 294.0 294.5 282.2 302.1 2.72 8 700 3023 -7.1 -9.5 83 2.4 -7.9 65 5 294.6 295.1 282.4 302.6 2.66 9 643 3678 -12.5 -12.7 98 0.2 -12.6 47 6 295.7 296.1 282.4 302.6 2.24 10 638 3737 -11.1 -15.2 72 4.1 -12.3 47 6 298.0 298.3 282.9 303.7 1.84 11 627 3870 -11.9 -16.9 66 5.0 -13.3 47 6 298.6 298.9 282.8 303.6 1.62 12 556 4776 -19.5 -19.7 98 0.2 -19.6 43 9 300.0 300.3 283.2 304.6 1.44 13 547 4897 -18.9 -26.9 49 8.0 -20.4 32 9 302.1 302.3 283.2 304.7 0.77 14 515 5343 -21.5 -30.5 44 9.0 -23.0 3 10 304.2 304.4 283.9 306.2 0.59 15 500 5560 -23.9 -31.9 48 8.0 -25.1 360 11 303.9 304.0 283.7 305.7 0.53 16 448 6352 -29.9 -35.9 56 6.0 -30.6 10 11 306.0 306.1 284.4 307.4 0.40 17 426 6709 -32.5 -42.5 36 10.0 -33.3 17 9 307.2 307.2 284.5 307.9 0.21 18 400 7150 -36.1 -47.1 31 11.0 -36.8 25 7 308.1 308.1 284.8 308.6 0.14 19 354 7985 -42.5 -54.5 26 12.0 -43.0 36 1 310.4 310.4 285.5 310.7 0.07 20 343 8197 -44.5 -56.5 25 12.0 -44.9 39 3 310.5 310.5 285.6 310.7 0.05 21 300 9080 -51.1 -62.1 26 11.0 -51.3 5 9 313.3 313.3 286.5 313.4 0.03 22 296 9168 -51.7 -62.7 26 11.0 -51.9 0 9 313.7 313.7 286.6 313.8 0.03 23 279 9552 -53.5 -66.5 19 13.0 -53.7 353 16 316.4 316.4 287.6 316.5 0.02 24 250 10260 -54.7 -72.7 9 18.0 -54.9 10 42 324.7 324.7 290.2 324.8 0.01 25 230 10787 -57.1 -73.1 11 16.0 -57.3 20 44 328.9 328.9 291.4 329.0 0.01 26 200 11670 -55.1 -79.1 4 24.0 -55.4 360 35 345.5 345.5 295.6 345.5 0.00 27 179 12378 -54.9 -80.9 3 26.0 -55.2 2 38 357.0 357.0 298.1 357.0 0.00 28 178 12414 -54.7 -80.7 3 26.0 -55.0 1 38 357.9 357.9 298.3 357.9 0.00 29 150 13500 -57.7 -83.7 2 26.0 -58.0 350 27 370.7 370.7 300.7 370.7 0.00 30 100 16030 -62.7 -85.7 3 23.0 -62.9 320 19 406.6 406.6 306.1 406.6 0.00 31 70 18220 -63.9 -87.9 2 24.0 -64.1 290 27 447.7 447.7 310.6 447.7 0.00 TRP 230 10787 -57.1 -73.1 11 16.0 -57.3 20 44 328.9 328.9 291.4 329.0 0.01 WND Sounding variables and indices 1000-500 mb thick: 5399.00 m Freezing level: 835.32 mb = 1624.29 m = 5328.98 ft Wetbulb zero: 836.80 mb = 1607.31 m = 5273.27 ft Precipitable water: 0.55 inches Sfc-500 mean rel hum: 80.94 % Est. max temperature: 12.48 C = 54.46 F Sfc-Lift cond lev (LCL): 917.27 mb = 866.91 m = 2844.17 ft T: 2.58 C 700-500 lapse rate: 6.62 C/km ThetaE index: 1.01 C Layer 728.0- 700.0 mb Conv cond level (CCL): 844.66 mb = 1532.62 m = 5028.21 ft Mean mixing ratio: 4.65 g/kg Conv temperature: 9.63 C = 49.33 F Cap Strength: 7.60 C Lifted Index: 7.02 C Risk: None Lifted Index @300 mb: 11.46 C Lifted Index @700 mb: 3.95 C Showalter Index: 5.03 C Risk: None Total Totals Index: 48.90 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.50 C Cross Totals Index: 24.40 C K Index: 22.60 Risk: 20-40 % chance of thunderstorms Sweat Index: 31.00 Risk: None Energy Index: 1.15 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 25.37 J/kg Max Up Vert Vel: 7.12 m/s Conv Inhibition (B-): 19255.38 J/kg Cap Strength: 7.47 C Lift Cond Lev (LCL): 881.56 mb = 1187.86 m = 3897.12 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 48 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 ---------------------------------------------------------- 0 949 595 290 5 4.7 -1.7 | 253 10 10.0 3.0 1 925 799 295 13 11.8 -5.5 | 273 17 17.1 -0.7 2 912 914 305 11 9.0 -6.3 | 276 14 14.3 -1.6 3 850 1482 20 7 -2.4 -6.6 | 302 3 2.9 -1.8 4 814 1829 30 15 -7.5 -13.0 | 15 9 -2.2 -8.2 5 783 2134 30 15 -7.5 -13.0 | 15 9 -2.2 -8.2 6 725 2743 25 9 -3.8 -8.2 | 336 4 1.5 -3.4 7 700 3023 65 5 -4.5 -2.1 | 196 3 0.8 2.6 8 698 3048 50 5 -3.8 -3.2 | 224 2 1.5 1.5 9 594 4267 45 7 -4.9 -4.9 | 301 0 0.3 -0.2 10 570 4572 60 9 -7.8 -4.5 | 96 3 -2.5 0.2 11 526 5182 5 9 -0.8 -9.0 | 313 6 4.5 -4.2 12 500 5560 360 11 -0.0 -11.0 | 320 8 5.3 -6.3 13 484 5791 360 13 -0.0 -13.0 | 327 10 5.3 -8.3 14 400 7150 25 7 -3.0 -6.3 | 304 3 2.3 -1.6 15 356 7925 35 1 -0.6 -0.8 | 230 6 4.7 3.9 16 311 8839 50 9 -6.9 -5.8 | 57 2 -1.6 -1.0 17 300 9080 5 9 -0.8 -9.0 | 313 6 4.5 -4.2 18 283 9449 345 11 2.8 -10.6 | 306 10 8.1 -5.9 19 270 9754 10 25 -4.3 -24.6 | 357 20 0.9 -19.9 20 250 10260 10 42 -7.3 -41.4 | 3 37 -2.0 -36.6 21 246 10363 10 46 -8.0 -45.3 | 4 41 -2.7 -40.6 22 230 10787 20 44 -15.0 -41.3 | 15 38 -9.8 -36.6 23 223 10973 25 40 -16.9 -36.3 | 20 34 -11.6 -31.5 24 213 11278 5 31 -2.7 -30.9 | 354 26 2.6 -26.1 25 203 11582 350 33 5.7 -32.5 | 338 30 11.0 -27.8 26 200 11670 360 35 -0.0 -35.0 | 350 31 5.3 -30.3 27 184 12192 10 36 -6.3 -35.5 | 2 31 -1.0 -30.7 28 167 12802 345 42 10.9 -40.6 | 336 39 16.2 -35.8 29 150 13500 350 27 4.7 -26.6 | 335 24 10.0 -21.8 30 145 13716 345 25 6.5 -24.1 | 329 23 11.8 -19.4 31 131 14326 350 38 6.6 -37.4 | 340 35 11.9 -32.7 32 125 14630 345 19 4.9 -18.4 | 323 17 10.2 -13.6 33 103 15850 340 21 7.2 -19.7 | 320 19 12.5 -15.0 34 100 16030 320 19 12.2 -14.6 | 299 20 17.5 -9.8 35 98 16154 320 19 12.2 -14.6 | 299 20 17.5 -9.8 36 93 16459 300 17 14.7 -8.5 | 281 20 20.0 -3.8 37 84 17069 305 29 23.8 -16.6 | 292 31 29.0 -11.9 38 80 17374 330 25 12.5 -21.7 | 314 25 17.8 -16.9 39 76 17678 305 21 17.2 -12.0 | 288 24 22.5 -7.3 40 70 18220 290 27 25.4 -9.2 | 278 31 30.7 -4.5 41 69 18288 310 27 20.7 -17.4 | 296 29 26.0 -12.6 42 65 18593 290 29 27.3 -9.9 | 279 33 32.5 -5.2 43 60 18898 305 27 22.1 -15.5 | 291 29 27.4 -10.7 44 57 19202 285 29 28.0 -7.5 | 275 33 33.3 -2.8 45 53 19507 305 35 28.7 -20.1 | 294 37 34.0 -15.3 46 44 20422 295 25 22.7 -10.6 | 282 29 27.9 -5.8 Wind Parameters Mean winds (0-6000m): 18.1 at 9.5 knts Storm direction: 48.1 at 7.1 knts Shear (0-3000m) pos: 2.2 neg: 0.6 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): -23.5 deg Storm rel helicity (0-3000m) pos: 43.7 neg: -5.6 tot: 38.1 m^2/s^2 ave: 12.7 10^-3 m/s^2 rel: 0.25 Storm rel vorticity (0-3000m) horiz: 7.8 stream: 1.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.34 Bulk Shear: 18.89 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 ------------------------------------------------------------------------------- 500 303 10 273 14| 6.8 0.0 6.8| 29.9 0.0 29.9 59.9 0.56| 15.6 8.7 1000 323 9 284 11| 5.7 0.0 5.7| 37.2 0.0 37.2 37.2 0.51| 13.1 6.7 1500 355 11 314 9| 5.7 0.0 5.7| 43.1 0.0 43.1 28.7 0.54| 10.7 5.7 2000 7 11 329 8| 4.3 1.2 5.5| 43.1 -4.3 38.8 19.4 0.40| 9.2 3.7 2500 12 11 330 6| 2.6 0.9 3.5| 43.7 -5.6 38.0 15.2 0.25| 9.2 2.3 3000 16 10 330 5| 2.2 0.6 2.8| 43.7 -5.6 38.1 12.7 0.25| 7.8 1.9 4000 24 9 334 4| 2.0 0.4 2.3| 44.0 -5.7 38.3 9.6 0.27| 6.4 1.7 5000 22 9 333 4| 1.6 1.1 2.6| 45.8 -10.9 35.0 7.0 0.13| 6.2 0.8 6000 18 9 331 5| 1.5 0.9 2.4| 48.8 -11.2 37.6 6.3 0.13| 5.7 0.7 Wrote GIF file: /home/apache/climate/data/raob//LBSF/skewt/LBSF.skewt.20251208.06.gif