UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121012.upa.cvt Date: 1200Z 10 DEC 25 Searching for X1538... Searching the city database file for: X1538 ... Date:1200Z 10 DEC 25 Station: X1538 WMO ident: 31538 Latitude: 50.07 Longitude: 132.13 ------------------------------------------------------------------------------- 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 127 SFC 971 345 -20.5 -24.5 70 4.0 -21.0 250 1 254.8 254.9 254.0 256.3 0.54 2 925 702 -23.5 -27.8 68 4.3 -23.9 280 15 255.3 255.3 254.2 256.4 0.42 3 877 1090 -26.3 -30.1 70 3.8 -26.6 305 18 256.3 256.3 254.9 257.3 0.36 4 850 1316 -26.7 -30.2 72 3.5 -27.0 320 19 258.2 258.2 256.5 259.2 0.37 5 700 2705 -30.7 -33.5 76 2.8 -30.9 310 19 268.5 268.5 264.3 269.5 0.32 6 676 2952 -31.1 -33.8 77 2.7 -31.3 311 18 270.7 270.8 265.8 271.7 0.32 7 528 4669 -40.1 -43.9 67 3.8 -40.3 314 12 279.8 279.8 271.3 280.2 0.15 8 500 5040 -40.5 -44.6 65 4.1 -40.7 315 11 283.7 283.7 273.5 284.1 0.14 9 469 5478 -40.7 -45.2 62 4.5 -40.9 308 15 288.7 288.7 276.2 289.1 0.14 10 423 6176 -45.1 -50.1 57 5.0 -45.3 296 21 291.7 291.7 277.6 292.0 0.09 11 400 6550 -46.5 -52.5 50 6.0 -46.7 290 25 294.6 294.6 279.0 294.8 0.07 12 313 8156 -51.7 -58.7 43 7.0 -51.8 290 43 308.7 308.7 284.9 308.9 0.04 13 300 8430 -52.3 -59.3 43 7.0 -52.4 290 46 311.6 311.6 285.9 311.8 0.04 14 256 9456 -52.1 -59.1 43 7.0 -52.3 326.4 326.4 290.7 326.6 0.05 TRP WND Sounding variables and indices 1000-500 mb thick: 4913.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.07 inches Sfc-500 mean rel hum: 71.90 % Est. max temperature: -15.33 C = 4.40 F Sfc-Lift cond lev (LCL): 908.88 mb = 829.95 m = 2722.89 ft T: -24.42 C 700-500 lapse rate: 4.20 C/km ThetaE index: 0.00 C Layer 971.0--1245.2 mb Conv cond level (CCL): 708.79 mb = 2615.73 m = 8581.70 ft Mean mixing ratio: 0.43 g/kg Conv temperature: -7.58 C = 18.35 F Cap Strength: 19.29 C Lifted Index: 22.18 C Risk: None Lifted Index @300 mb: 38.94 C Lifted Index @700 mb: 11.06 C Showalter Index: 20.12 C Risk: None Total Totals Index: 24.10 C Risk: None Vertical Totals Index: 13.80 C Cross Totals Index: 10.30 C K Index: -19.20 Risk: None Sweat Index: 49.00 Risk: None Energy Index: 5.24 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.36 J/kg Max Up Vert Vel: 3.57 m/s Conv Inhibition (B-): 8185.60 J/kg Cap Strength: 22.07 C Lift Cond Lev (LCL): 860.91 mb = 1223.81 m = 4015.07 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 338 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 ---------------------------------------------------------- 0 971 345 250 1 0.9 0.3 | 163 12 -3.6 11.6 1 925 702 280 15 14.8 -2.6 | 230 13 10.3 8.6 2 850 1316 320 19 12.2 -14.6 | 293 8 7.7 -3.3 3 700 2705 310 19 14.6 -12.2 | 275 10 10.0 -1.0 4 500 5040 315 11 7.8 -7.8 | 223 5 3.3 3.5 5 400 6550 290 25 23.5 -8.6 | 262 19 19.0 2.7 6 300 8430 290 46 43.2 -15.7 | 277 39 38.7 -4.5 Wind Parameters Mean winds (0-6000m): 308.2 at 16.2 knts Storm direction: 338.2 at 12.1 knts Shear (0-3000m) pos: 2.9 neg: 0.5 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 106.1 deg Storm rel helicity (0-3000m) pos: 79.3 neg: -9.2 tot: 70.1 m^2/s^2 ave: 23.4 10^-3 m/s^2 rel: 0.68 Storm rel vorticity (0-3000m) horiz: 5.6 stream: 3.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.66 Bulk Shear: 9.61 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 ------------------------------------------------------------------------------- 500 281 10 210 11| 15.6 0.0 15.6| 55.6 0.0 55.6 111.3 0.98| 17.8 17.5 1000 298 14 238 9| 9.6 0.0 9.6| 79.3 0.0 79.3 79.3 0.96| 13.9 13.4 1500 306 16 256 8| 6.4 0.4 6.8| 79.3 -2.4 76.9 51.2 0.88| 9.7 8.6 2000 309 16 263 8| 4.8 0.6 5.4| 79.3 -4.9 74.4 37.2 0.81| 7.6 6.2 2500 309 17 267 9| 3.8 0.6 4.5| 79.3 -7.3 72.0 28.8 0.75| 6.3 4.7 3000 310 17 268 9| 2.9 0.5 3.5| 79.3 -9.2 70.1 23.4 0.68| 5.6 3.8 4000 310 17 266 8| 1.8 0.4 2.2| 79.3 -13.3 65.9 16.5 0.55| 4.6 2.6 5000 311 16 262 7| 1.3 0.5 1.7| 82.7 -16.3 66.4 13.3 0.49| 4.2 2.1 6000 308 16 261 8| 1.1 1.3 2.3| 87.8 -16.7 71.1 11.8 0.43| 4.5 1.9 Wrote GIF file: /home/apache/climate/data/raob//X1538/skewt/X1538.skewt.20251210.12.gif