UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120712.upa.cvt Date: 1200Z 7 DEC 25 Searching for X1538... Searching the city database file for: X1538 ... Date:1200Z 7 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 124 SFC 971 346 -16.3 -18.6 82 2.3 -16.7 230 3 259.0 259.2 258.3 261.5 0.91 2 959 439 -14.9 -16.5 88 1.6 -15.2 249 4 261.4 261.5 260.5 264.3 1.10 3 925 712 -15.9 -17.8 85 1.9 -16.3 305 7 263.1 263.2 261.6 265.8 1.02 4 854 1313 -17.1 -19.5 82 2.4 -17.6 333 16 267.9 268.0 265.0 270.6 0.95 5 850 1348 -17.3 -19.8 81 2.5 -17.7 335 17 268.0 268.2 265.1 270.7 0.93 6 779 1999 -19.5 -25.5 59 6.0 -20.4 326 19 272.4 272.5 267.5 274.2 0.62 7 711 2671 -23.7 -33.7 39 10.0 -24.8 317 21 275.0 275.1 268.7 276.0 0.31 8 700 2785 -24.7 -33.7 43 9.0 -25.6 315 21 275.1 275.2 268.7 276.1 0.32 9 648 3341 -28.7 -36.7 46 8.0 -29.4 309 21 276.7 276.8 269.6 277.5 0.25 10 544 4577 -34.3 -44.3 36 10.0 -34.9 296 20 284.3 284.3 273.9 284.7 0.14 11 500 5160 -39.3 -48.3 38 9.0 -39.7 290 19 285.1 285.1 274.2 285.4 0.10 12 406 6553 -50.1 -57.1 43 7.0 -50.3 290 19 288.6 288.7 276.0 288.8 0.04 13 400 6650 -50.3 -57.3 43 7.0 -50.4 290 19 289.6 289.6 276.5 289.8 0.04 14 333 7834 -55.3 -61.3 47 6.0 -55.4 239 17 298.4 298.4 280.7 298.5 0.03 15 328 7931 -55.5 -61.5 47 6.0 -55.6 235 17 299.4 299.4 281.1 299.5 0.03 16 300 8500 -55.5 -61.5 47 6.0 -55.6 250 23 307.1 307.1 284.2 307.2 0.03 17 296 8586 -55.5 -61.5 47 6.0 -55.6 249 24 308.3 308.3 284.7 308.4 0.03 18 267 9251 -52.1 -59.1 43 7.0 -52.2 244 28 322.5 322.5 289.6 322.7 0.05 19 250 9680 -50.7 -57.7 43 7.0 -50.9 240 31 330.7 330.7 292.0 330.9 0.06 20 200 11140 -47.9 -57.9 31 10.0 -48.3 245 38 356.9 356.9 298.1 357.3 0.08 21 196 11273 -47.7 -57.7 31 10.0 -48.1 246 38 359.3 359.3 298.7 359.7 0.08 22 150 13030 -48.5 -62.5 18 14.0 -49.1 255 33 386.5 386.5 303.3 386.8 0.06 23 100 15680 -50.7 -68.7 10 18.0 -51.5 240 29 429.8 429.8 308.9 430.0 0.04 24 70 17990 -53.1 -72.1 8 19.0 -53.9 240 44 470.8 470.8 312.7 471.0 0.03 25 66 18369 -54.1 -74.1 7 20.0 -54.9 241 45 476.6 476.6 313.2 476.7 0.03 26 57 19313 -52.7 -72.7 7 20.0 -53.8 243 48 500.2 500.2 314.9 500.4 0.04 27 52 19912 -48.3 -69.3 7 21.0 -50.1 244 49 523.7 523.8 316.6 524.2 0.06 28 50 20170 -49.1 -70.1 7 21.0 -50.8 245 50 527.8 527.8 316.8 528.2 0.06 29 46 20714 -52.1 -73.1 6 21.0 -53.5 533.3 533.3 317.1 533.5 0.04 30 41 21465 -48.3 -70.3 6 22.0 -50.5 560.6 560.6 318.7 561.1 0.07 31 36 22318 -49.9 -72.9 5 23.0 -52.1 577.7 577.7 319.6 578.1 0.06 32 35 22504 -47.1 -70.1 5 23.0 -49.9 589.7 589.7 320.2 590.3 0.09 33 31 23302 -49.9 -72.9 5 23.0 -52.3 602.9 602.9 320.7 603.4 0.06 TRP 328 7931 -55.5 -61.5 47 6.0 -55.6 235 17 299.4 299.4 281.1 299.5 0.03 WND Sounding variables and indices 1000-500 mb thick: 5036.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.11 inches Sfc-500 mean rel hum: 54.44 % Est. max temperature: -5.64 C = 21.85 F Sfc-Lift cond lev (LCL): 935.24 mb = 628.83 m = 2063.06 ft T: -15.59 C 700-500 lapse rate: 6.15 C/km ThetaE index: 0.00 C Layer 971.0-89129.0 mb Conv cond level (CCL): 771.03 mb = 2074.33 m = 6805.47 ft Mean mixing ratio: 1.02 g/kg Conv temperature: -2.71 C = 27.12 F Cap Strength: 15.37 C Lifted Index: 15.58 C Risk: None Lifted Index @300 mb: 28.97 C Lifted Index @700 mb: 8.88 C Showalter Index: 12.04 C Risk: None Total Totals Index: 41.50 C Risk: None Vertical Totals Index: 22.00 C Cross Totals Index: 19.50 C K Index: -6.80 Risk: None Sweat Index: 53.00 Risk: None Energy Index: 3.11 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 24.19 J/kg Max Up Vert Vel: 6.96 m/s Conv Inhibition (B-): 46851.18 J/kg Cap Strength: 15.59 C Lift Cond Lev (LCL): 890.52 mb = 997.78 m = 3273.53 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 337 at 13 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 ---------------------------------------------------------- 0 971 346 230 3 2.3 1.9 | 168 15 -3.0 14.2 1 925 712 305 7 5.7 -4.0 | 183 8 0.4 8.3 2 850 1348 335 17 7.2 -15.4 | 329 4 1.9 -3.1 3 700 2785 315 21 14.8 -14.8 | 285 10 9.5 -2.5 4 500 5160 290 19 17.9 -6.5 | 245 14 12.5 5.8 5 400 6650 290 19 17.9 -6.5 | 245 14 12.5 5.8 6 328 7931 235 17 13.9 9.8 | 201 24 8.6 22.1 7 300 8500 250 23 21.6 7.9 | 219 26 16.3 20.2 8 250 9680 240 31 26.8 15.5 | 218 35 21.5 27.8 9 200 11140 245 38 34.4 16.1 | 226 41 29.1 28.4 10 150 13030 255 33 31.9 8.5 | 232 34 26.6 20.9 11 100 15680 240 29 25.1 14.5 | 216 33 19.8 26.8 12 70 17990 240 44 38.1 22.0 | 224 47 32.8 34.3 13 50 20170 245 50 45.3 21.1 | 230 52 40.0 33.4 Wind Parameters Mean winds (0-6000m): 306.6 at 17.9 knts Storm direction: 336.6 at 13.4 knts Shear (0-3000m) pos: 3.1 neg: 1.6 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): 105.4 deg Storm rel helicity (0-3000m) pos: 21.4 neg: -13.2 tot: 8.2 m^2/s^2 ave: 2.7 10^-3 m/s^2 rel: 0.21 Storm rel vorticity (0-3000m) horiz: 5.0 stream: 1.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.21 Bulk Shear: 19.96 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 ------------------------------------------------------------------------------- 500 294 6 180 10| 9.4 0.0 9.4| 14.5 0.0 14.5 28.9 0.49| 10.1 4.9 1000 320 9 189 5| 9.2 0.0 9.2| 21.4 0.0 21.4 21.4 0.65| 10.1 6.5 1500 325 12 213 3| 6.2 0.9 7.0| 21.4 -2.0 19.4 13.0 0.50| 7.6 3.8 2000 325 14 250 3| 4.6 1.3 6.0| 21.4 -4.6 16.8 8.4 0.38| 6.4 2.4 2500 323 15 267 4| 3.7 1.6 5.3| 21.4 -8.2 13.2 5.3 0.29| 5.7 1.6 3000 320 16 271 5| 3.1 1.6 4.6| 21.4 -13.2 8.2 2.7 0.21| 5.0 1.0 4000 316 17 269 7| 2.3 1.5 3.8| 21.4 -23.5 -2.0 -0.5 0.08| 4.3 0.3 5000 311 18 264 8| 1.8 1.4 3.3| 21.4 -32.3 -10.9 -2.2 0.00| 3.7 0.0 6000 307 18 260 9| 1.5 1.2 2.7| 21.4 -32.3 -10.9 -1.8 0.00| 3.1 0.0 Wrote GIF file: /home/apache/climate/data/raob//X1538/skewt/X1538.skewt.20251207.12.gif