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 X0673... Searching the city database file for: X0673 ... Date:1200Z 10 DEC 25 Station: X0673 WMO ident: 30673 Latitude: 53.73 Longitude: 119.78 ------------------------------------------------------------------------------- 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 241 SFC 939 696 -26.5 -28.5 83 2.0 -26.7 0 0 251.1 251.2 250.6 252.2 0.39 2 932 750 -24.7 325 1 253.5 3 925 805 -24.7 290 3 254.1 4 850 1417 -27.9 330 9 256.9 5 831 1579 -28.5 332 10 258.0 6 804 1816 -27.3 334 11 261.7 7 743 2382 -28.9 340 13 265.9 8 700 2806 -32.1 345 15 266.9 9 542 4563 -44.5 353 24 272.4 10 500 5100 -47.1 355 27 275.6 11 457 5691 -49.7 351 24 279.5 12 400 6550 -55.3 345 19 283.1 13 376 6945 -57.7 341 20 285.0 14 309 8176 -62.1 330 25 295.3 15 300 8360 -61.7 335 25 298.4 16 294 8484 -62.1 333 25 299.5 17 286 8654 -59.9 331 25 305.0 18 250 9490 -59.1 320 25 318.2 19 216 10412 -55.9 307 24 336.7 20 200 10900 -57.3 300 23 342.0 21 176 11709 -58.3 296 27 353.1 22 155 12519 -54.1 291 30 373.3 23 150 12730 -54.5 290 31 376.2 24 138 13260 -56.7 286 31 381.4 25 110 14697 -55.5 275 31 409.2 26 100 15300 -58.1 270 31 415.5 27 97 15491 -59.3 269 33 416.8 28 74 17189 -58.9 262 50 451.1 29 70 17540 -56.1 260 54 464.4 30 64 18113 -53.3 256 52 482.6 31 50 19700 -53.9 245 48 516.5 32 47 20098 -53.5 246 50 526.6 33 39 21289 -57.3 247 58 545.9 34 31 22749 -55.1 250 67 588.9 35 30 22960 -52.1 250 68 602.6 36 21 25263 -53.3 663.7 TRP 309 8176 -62.1 330 25 295.3 WND Sounding variables and indices 1000-500 mb thick: 4859.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.00 inches Sfc-500 mean rel hum: -nan % Est. max temperature: -15.15 C = 4.72 F Sfc-Lift cond lev (LCL): 908.05 mb = 938.87 m = 3080.25 ft T: -25.40 C 700-500 lapse rate: 6.54 C/km ThetaE index: 10251.19 C Layer 932.0- -0.0 mb Conv cond level (CCL): None Cap Strength: -9725.85 C Lifted Index: 16.61 C Risk: None Lifted Index @300 mb: 30.48 C Lifted Index @700 mb: 10.45 C Showalter Index: 15.33 C Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 345568.69 J/kg Max Up Vert Vel: 831.35 m/s Conv Inhibition (B-): 240489.70 J/kg Cap Strength: 248.45 C Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 18 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 ---------------------------------------------------------- 0 939 696 0 0 -0.0 -0.0 | 198 13 4.1 12.6 1 925 805 290 3 2.8 -1.0 | 211 14 7.0 11.6 2 850 1417 330 9 4.5 -7.8 | 241 10 8.6 4.8 3 700 2806 345 15 3.9 -14.5 | 283 8 8.0 -1.9 4 500 5100 355 27 2.4 -26.9 | 336 16 6.5 -14.3 5 400 6550 345 19 4.9 -18.4 | 302 11 9.1 -5.8 6 309 8176 330 25 12.5 -21.7 | 299 19 16.6 -9.1 7 300 8360 335 25 10.6 -22.7 | 304 18 14.7 -10.1 8 250 9490 320 25 16.1 -19.2 | 288 21 20.2 -6.6 9 200 10900 300 23 19.9 -11.5 | 267 24 24.1 1.1 10 150 12730 290 31 29.1 -10.6 | 267 33 33.3 2.0 11 100 15300 270 31 31.0 -0.0 | 250 37 35.1 12.6 12 70 17540 260 54 53.2 9.4 | 249 61 57.3 22.0 13 50 19700 245 48 43.5 20.3 | 235 58 47.7 32.9 14 30 22960 250 68 63.9 23.3 | 242 77 68.0 35.9 Wind Parameters Mean winds (0-6000m): 348.2 at 17.7 knts Storm direction: 18.2 at 13.3 knts Shear (0-3000m) pos: 2.5 neg: 1.2 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 111.9 deg Storm rel helicity (0-3000m) pos: 56.2 neg: 0.0 tot: 56.2 m^2/s^2 ave: 18.7 10^-3 m/s^2 rel: 0.92 Storm rel vorticity (0-3000m) horiz: 3.8 stream: 3.4 10^-3/s Energy-Hel index: 96.38 Bulk Rich Number: 11853.97 Bulk Shear: 29.15 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 ------------------------------------------------------------------------------- 500 306 4 217 13| 0.0 7.0 7.0| 23.9 0.0 23.9 47.9 0.95| 7.6 7.2 1000 324 6 227 11| 2.2 3.5 5.7| 33.5 0.0 33.5 33.5 0.90| 6.0 5.4 1500 330 8 236 10| 2.3 2.3 4.6| 39.1 0.0 39.1 26.1 0.91| 4.8 4.4 2000 335 9 244 9| 2.3 1.8 4.1| 44.6 0.0 44.6 22.3 0.92| 4.2 3.9 2500 338 11 251 9| 2.4 1.4 3.8| 50.3 0.0 50.3 20.1 0.93| 3.9 3.7 3000 341 12 260 8| 2.5 1.2 3.6| 56.2 0.0 56.2 18.7 0.92| 3.8 3.4 4000 345 15 281 8| 2.6 0.9 3.4| 69.3 0.0 69.3 17.3 0.88| 3.5 3.1 5000 348 17 297 9| 2.2 0.6 2.9| 75.2 -11.3 63.9 12.8 0.68| 3.4 2.3 6000 348 18 301 9| 1.8 0.7 2.5| 75.3 -25.4 49.8 8.3 0.47| 3.3 1.6 Wrote GIF file: /home/apache/climate/data/raob//X0673/skewt/X0673.skewt.20251210.12.gif