UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120900.upa.cvt Date: 0000Z 9 DEC 25 Searching for X1873... Searching the city database file for: X1873 ... Date:0000Z 9 DEC 25 Station: X1873 WMO ident: 31873 Latitude: 45.87 Longitude: 133.73 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1008 102 -13.9 -18.9 66 5.0 -14.8 250 3 258.7 258.8 257.9 261.0 0.85 1 1000 163 -12.1 -17.1 66 5.0 -13.1 250 5 261.0 261.2 260.0 263.8 1.00 2 982 302 -11.1 -17.1 61 6.0 -12.3 258 9 263.4 263.6 261.9 266.2 1.02 3 925 759 -13.9 -19.9 60 6.0 -15.0 285 21 265.1 265.2 262.8 267.5 0.85 4 850 1394 -19.5 -24.4 65 4.9 -20.2 275 21 265.7 265.8 262.9 267.5 0.62 5 782 2007 -24.7 -29.5 64 4.8 -25.2 286 23 266.6 266.6 263.0 267.8 0.42 6 768 2138 -24.7 -29.5 64 4.8 -25.2 288 23 267.9 268.0 264.1 269.2 0.43 7 731 2497 -25.7 -31.7 57 6.0 -26.3 294 24 270.6 270.7 265.8 271.8 0.37 8 700 2809 -28.5 -35.5 51 7.0 -29.1 300 25 270.9 271.0 265.8 271.7 0.27 9 690 2912 -29.1 -36.1 51 7.0 -29.7 300 26 271.4 271.4 266.1 272.1 0.25 10 625 3616 -30.7 -40.7 37 10.0 -31.4 297 33 277.3 277.4 269.8 277.9 0.17 11 526 4822 -37.5 -50.5 25 13.0 -38.0 292 46 283.2 283.2 273.1 283.4 0.07 12 500 5170 -39.1 -52.1 24 13.0 -39.6 290 50 285.4 285.4 274.3 285.6 0.06 13 488 5336 -40.1 -54.1 21 14.0 -40.6 289 50 286.1 286.1 274.7 286.3 0.05 14 425 6261 -47.7 -59.7 24 12.0 -47.9 286 51 288.0 288.0 275.6 288.1 0.03 15 400 6660 -48.5 -60.5 24 12.0 -48.7 285 52 292.0 292.0 277.7 292.1 0.03 16 353 7480 -50.5 -62.5 23 12.0 -50.7 285 60 299.9 299.9 281.3 300.0 0.02 17 310 8327 -51.7 -64.7 20 13.0 -51.9 281 62 309.6 309.6 285.2 309.6 0.02 18 300 8540 -51.3 -64.3 20 13.0 -51.5 280 62 313.0 313.0 286.4 313.1 0.02 19 274 9134 -48.3 -62.3 18 14.0 -48.7 280 58 325.6 325.6 290.5 325.7 0.03 20 250 9740 -47.9 -62.9 16 15.0 -48.3 280 54 334.9 334.9 293.0 335.0 0.03 21 230 10287 -46.9 -63.0 14 16.1 -47.4 275 64 344.4 344.4 295.4 344.6 0.03 22 200 11210 -45.3 -63.3 11 18.0 -46.0 275 56 361.0 361.0 299.0 361.2 0.04 23 198 11277 -44.9 -62.9 12 18.0 -45.6 275 56 362.7 362.7 299.2 362.9 0.04 24 150 13130 -46.7 -66.7 8 20.0 -47.6 265 54 389.6 389.6 303.8 389.7 0.03 25 146 13309 -46.3 -66.3 9 20.0 -47.2 265 54 393.3 393.3 304.3 393.5 0.04 26 116 14819 -51.3 -71.3 7 20.0 -52.0 265 51 410.8 410.8 306.6 410.9 0.02 27 103 15596 -48.1 -69.1 7 21.0 -49.1 265 50 431.1 431.1 309.0 431.3 0.03 28 100 15790 -49.3 -70.3 7 21.0 -50.3 265 50 432.5 432.5 309.1 432.6 0.03 29 86 16771 -52.7 -73.7 6 21.0 -53.5 261 46 444.7 444.7 310.4 444.8 0.02 30 70 18100 -52.7 -73.7 6 21.0 -53.6 255 40 471.6 471.6 312.8 471.8 0.03 31 52 20025 -53.1 -74.1 6 21.0 -54.2 251 54 512.6 512.6 315.8 512.8 0.03 32 50 20280 -50.3 -72.3 6 22.0 -51.9 250 56 524.9 525.0 316.6 525.2 0.04 33 45 20971 -47.7 -69.7 6 22.0 -49.9 248 49 547.3 547.3 318.0 547.8 0.07 34 38 22071 -53.7 -74.7 6 21.0 -55.1 245 38 559.1 559.1 318.6 559.4 0.04 35 37 22242 -53.9 -74.9 6 21.0 -55.3 244 37 562.9 562.9 318.8 563.2 0.04 36 31 23386 -50.3 -73.3 5 23.0 -52.7 241 25 601.8 601.9 320.7 602.3 0.06 37 30 23600 -50.7 -73.7 5 23.0 -53.0 240 23 606.4 606.4 320.9 606.9 0.06 38 27 24280 -53.1 -75.1 5 22.0 -55.1 228 21 618.2 618.3 321.5 618.6 0.05 39 25 24778 -49.1 -72.1 5 23.0 -52.1 220 19 643.5 643.5 322.4 644.2 0.09 40 23 25322 -50.3 -73.3 5 23.0 -53.2 211 18 655.5 655.5 322.9 656.1 0.08 41 22 25613 -46.1 -70.1 5 24.0 -50.4 206 17 676.4 676.4 323.7 677.5 0.14 42 20 26240 -49.7 -72.7 5 23.0 -53.1 195 15 684.0 684.1 323.9 684.9 0.10 43 19 26575 -51.9 -74.9 5 23.0 -54.8 185 14 687.3 687.4 324.0 688.0 0.08 44 17 27306 -46.9 -70.9 5 24.0 -51.7 165 13 725.6 725.6 325.3 727.0 0.16 45 14 28579 -52.5 -75.5 5 23.0 -56.0 128 10 748.0 748.1 325.9 748.9 0.10 46 12 29590 -46.9 -70.9 5 24.0 -52.7 99 8 801.6 801.7 327.3 803.8 0.22 47 11 30167 -47.3 -72.3 4 25.0 -53.3 83 6 820.3 820.4 327.8 822.3 0.20 48 10 30800 -46.1 -71.1 4 25.0 -52.9 65 5 847.5 847.6 328.4 850.2 0.26 49 9.9 30867 -43.9 -69.9 4 26.0 -51.8 858.1 858.3 328.7 861.5 0.31 TRP 353 7480 -50.5 -62.5 23 12.0 -50.7 285 60 299.9 299.9 281.3 300.0 0.02 WND 230 10287 -46.9 -63.0 14 16.1 -47.4 275 64 344.4 344.4 295.4 344.6 0.03 Sounding variables and indices 1000-500 mb thick: 5007.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.10 inches Sfc-500 mean rel hum: 48.68 % Est. max temperature: -6.89 C = 19.60 F Sfc-Lift cond lev (LCL): 929.36 mb = 723.12 m = 2372.42 ft T: -13.68 C 700-500 lapse rate: 4.49 C/km ThetaE index: 0.02 C Layer 700.0- 690.0 mb Conv cond level (CCL): 843.36 mb = 1451.65 m = 4762.58 ft Mean mixing ratio: 0.93 g/kg Conv temperature: -6.75 C = 19.86 F Cap Strength: 14.22 C Lifted Index: 15.78 C Risk: None Lifted Index @300 mb: 33.11 C Lifted Index @700 mb: 5.05 C Showalter Index: 14.79 C Risk: None Total Totals Index: 34.30 C Risk: None Vertical Totals Index: 19.60 C Cross Totals Index: 14.70 C K Index: -11.80 Risk: None Sweat Index: 92.00 Risk: None Energy Index: 3.77 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 16.69 J/kg Max Up Vert Vel: 5.78 m/s Conv Inhibition (B-): 80954.89 J/kg Cap Strength: 15.68 C Lift Cond Lev (LCL): 871.13 mb = 1209.59 m = 3968.41 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 320 at 24 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 1008 102 250 3 2.8 1.0 | 147 23 -12.6 19.3 1 1000 163 250 5 4.7 1.7 | 152 23 -10.8 20.0 2 925 759 285 21 20.3 -5.4 | 201 14 4.8 12.9 3 850 1394 275 21 20.9 -1.8 | 198 17 5.5 16.5 4 700 2809 300 25 21.7 -12.5 | 227 8 6.2 5.8 5 500 5170 290 50 47.0 -17.1 | 268 32 31.5 1.2 6 400 6660 285 52 50.2 -13.5 | 262 35 34.8 4.8 7 353 7480 285 60 58.0 -15.5 | 266 43 42.5 2.8 8 300 8540 280 62 61.1 -10.8 | 261 46 45.6 7.5 9 250 9740 280 54 53.2 -9.4 | 257 39 37.7 8.9 10 230 10287 275 64 63.8 -5.6 | 255 50 48.3 12.7 11 200 11210 275 56 55.8 -4.9 | 252 42 40.3 13.4 12 150 13130 265 54 53.8 4.7 | 239 45 38.3 23.0 13 100 15790 265 50 49.8 4.4 | 237 41 34.3 22.7 14 70 18100 255 40 38.6 10.4 | 219 37 23.2 28.7 15 50 20280 250 56 52.6 19.2 | 225 53 37.2 37.5 16 30 23600 240 23 19.9 11.5 | 189 30 4.5 29.8 17 20 26240 195 15 3.9 14.5 | 161 35 -11.6 32.8 18 10 30800 65 5 -4.5 -2.1 | 129 26 -20.0 16.2 Wind Parameters Mean winds (0-6000m): 289.8 at 32.0 knts Storm direction: 319.8 at 24.0 knts Shear (0-3000m) pos: 4.4 neg: 0.1 tot: 4.5 10-3/s Storm rel Dir Shear (0-3000m): 95.7 deg Storm rel helicity (0-3000m) pos: 115.6 neg: -2.3 tot: 113.3 m^2/s^2 ave: 37.8 10^-3 m/s^2 rel: 0.69 Storm rel vorticity (0-3000m) horiz: 6.4 stream: 4.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.24 Bulk Shear: 69.01 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 ------------------------------------------------------------------------------- 500 269 10 164 19| 14.6 0.0 14.6| 71.2 0.0 71.2 142.5 0.89| 15.3 13.6 1000 280 15 178 16| 9.5 0.0 9.5| 88.4 -1.0 87.5 87.5 0.80| 11.1 8.9 1500 279 17 186 16| 6.3 0.2 6.6| 92.2 -2.3 89.9 59.9 0.72| 8.5 6.1 2000 280 18 190 15| 5.2 0.2 5.4|100.3 -2.3 98.0 49.0 0.70| 7.3 5.1 2500 283 20 195 14| 4.5 0.1 4.7|107.0 -2.3 104.7 41.9 0.68| 6.6 4.6 3000 287 21 199 13| 4.4 0.1 4.5|115.6 -2.3 113.3 37.8 0.69| 6.4 4.4 4000 290 24 214 12| 3.3 1.5 4.8|134.4 -2.3 132.1 33.0 0.64| 6.2 3.9 5000 290 28 232 14| 2.7 2.3 5.0|145.6 -2.3 143.3 28.7 0.55| 6.1 3.3 6000 290 32 243 16| 2.2 2.1 4.4|145.6 -19.9 125.7 21.0 0.48| 5.4 2.6 Wrote GIF file: /home/apache/climate/data/raob//X1873/skewt/X1873.skewt.20251209.00.gif