UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101612.upa.cvt Date: 1200Z 16 OCT 25 Searching for X1873... Searching the city database file for: X1873 ... Date:1200Z 16 OCT 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 1018 99 -1.9 -6.4 71 4.5 -3.4 270 1 269.9 270.3 268.8 276.2 2.32 1 1005 202 3.4 -1.6 70 5.0 1.4 288 2 276.2 276.7 274.3 285.4 3.38 2 1000 242 3.2 -2.8 65 6.0 0.8 295 3 276.4 276.9 274.0 284.9 3.11 3 925 868 -1.5 -11.5 46 10.0 -4.6 345 11 277.8 278.1 272.7 282.7 1.71 4 905 1041 -3.5 -12.5 50 9.0 -6.2 342 10 277.5 277.7 272.3 282.1 1.61 5 874 1317 -2.9 -17.9 30 15.0 -6.9 338 10 280.9 281.0 273.5 284.0 1.07 6 870 1353 -3.1 -19.1 28 16.0 -7.2 338 10 281.0 281.2 273.4 283.9 0.97 7 850 1537 -4.3 -16.3 39 12.0 -7.6 335 9 281.6 281.9 274.2 285.4 1.26 8 801 2003 -6.1 -13.1 58 7.0 -8.2 324 14 284.5 284.8 276.5 289.7 1.74 9 797 2043 -4.5 -11.5 58 7.0 -6.8 323 14 286.7 287.0 277.9 292.5 1.99 10 795 2062 -4.5 -11.5 58 7.0 -6.8 323 15 286.9 287.2 278.0 292.7 1.99 11 758 2436 -6.3 -16.3 45 10.0 -9.1 314 18 288.9 289.1 278.2 293.1 1.41 12 749 2530 -3.5 -15.5 39 12.0 -7.2 312 19 292.9 293.2 280.3 297.6 1.53 13 729 2744 -3.7 -27.7 14 24.0 -9.1 307 22 294.9 295.0 279.8 296.7 0.54 14 700 3064 -4.3 -33.3 8 29.0 -10.1 300 25 297.7 297.8 280.8 298.8 0.33 15 699 3075 -4.3 -33.3 8 29.0 -10.1 300 25 297.8 297.9 280.8 299.0 0.33 16 642 3740 -7.7 -34.7 9 27.0 -12.8 295 29 301.3 301.4 282.3 302.4 0.31 17 500 5620 -24.9 -34.9 39 10.0 -26.2 280 42 302.7 302.8 283.0 304.0 0.39 18 492 5737 -25.9 -35.9 39 10.0 -27.1 281 43 302.9 302.9 283.0 304.1 0.36 19 426 6762 -34.9 -47.9 25 13.0 -35.7 291 51 304.1 304.1 283.2 304.5 0.12 20 400 7200 -37.5 -50.5 25 13.0 -38.2 295 54 306.3 306.3 284.0 306.6 0.09 21 347 8164 -44.9 -57.9 22 13.0 -45.3 302 58 308.9 309.0 285.0 309.1 0.04 22 324 8618 -49.3 -61.3 23 12.0 -49.6 306 60 309.0 309.0 285.0 309.1 0.03 23 300 9120 -50.9 -62.9 23 12.0 -51.1 310 62 313.6 313.6 286.6 313.7 0.03 24 282 9518 -53.5 -65.5 22 12.0 -53.7 300 58 315.5 315.5 287.3 315.6 0.02 25 250 10290 -52.7 -64.7 22 12.0 -52.9 285 69 327.7 327.7 291.1 327.8 0.03 26 201 11708 -50.7 -63.7 20 13.0 -51.1 280 81 352.0 352.0 297.1 352.1 0.04 27 200 11740 -51.5 -64.5 20 13.0 -51.8 280 81 351.2 351.2 296.9 351.4 0.03 28 171 12751 -54.5 -68.5 16 14.0 -54.8 280 85 362.3 362.3 299.2 362.4 0.02 29 158 13262 -51.1 -66.1 15 15.0 -51.5 280 88 376.4 376.4 301.7 376.5 0.03 30 151 13557 -51.8 -67.7 13 15.9 -52.2 280 89 380.1 380.1 302.3 380.2 0.03 31 150 13600 -51.9 -67.9 13 16.0 -52.4 280 87 380.6 380.7 302.3 380.8 0.03 32 123 14866 -59.3 -75.3 11 16.0 -59.5 278 78 389.4 389.4 303.7 389.5 0.01 33 100 16170 -57.1 -74.1 10 17.0 -57.5 275 68 417.4 417.4 307.4 417.5 0.02 34 95 16496 -55.3 -72.3 10 17.0 -55.8 274 64 427.1 427.1 308.5 427.2 0.02 35 85 17198 -59.5 -76.5 9 17.0 -59.9 273 55 432.4 432.4 309.1 432.5 0.01 36 80 17581 -55.5 -73.5 9 18.0 -56.1 272 50 448.2 448.2 310.7 448.3 0.02 37 70 18430 -56.1 -74.1 9 18.0 -56.7 270 40 464.4 464.4 312.2 464.5 0.02 38 54 20063 -59.1 -77.1 8 18.0 -59.6 270 36 493.2 493.2 314.5 493.3 0.02 39 50 20550 -54.3 -73.3 8 19.0 -55.3 270 35 515.5 515.5 316.0 515.8 0.04 40 47 20945 -55.9 -74.9 8 19.0 -56.8 269 34 520.9 520.9 316.4 521.1 0.03 41 38 22307 -52.3 -72.3 7 20.0 -53.9 265 31 562.7 562.7 318.8 563.1 0.06 42 30 23820 -56.7 -76.7 6 20.0 -57.9 260 27 590.1 590.1 320.2 590.3 0.04 43 29 24034 -57.3 -77.3 6 20.0 -58.5 260 26 594.2 594.2 320.3 594.4 0.04 44 24 25240 -53.1 -74.1 6 21.0 -55.3 257 19 639.4 639.4 322.3 640.0 0.07 45 20 26410 -54.1 -75.1 6 21.0 -56.4 255 13 670.6 670.6 323.4 671.2 0.07 46 16 27829 -58.3 -79.3 5 21.0 -60.1 282 10 701.1 701.1 324.5 701.5 0.05 47 15 28236 -58.3 -79.3 5 21.0 -60.2 290 9 714.1 714.1 324.9 714.5 0.05 48 13 29153 -50.9 -72.9 6 22.0 -55.0 308 7 769.6 769.7 326.5 771.0 0.15 49 10 30860 -51.3 -73.3 6 22.0 -56.0 340 3 828.1 828.2 328.0 830.0 0.19 50 9.5 31193 -51.5 -73.5 6 22.0 -56.3 839.5 839.6 328.2 841.5 0.19 51 8.8 31693 -48.7 -71.7 5 23.0 -54.8 869.0 869.1 328.8 871.9 0.27 TRP 282 9518 -53.5 -65.5 22 12.0 -53.7 300 58 315.5 315.5 287.3 315.6 0.02 WND 151 13557 -51.8 -67.7 13 15.9 -52.2 280 89 380.1 380.1 302.3 380.2 0.03 Sounding variables and indices 1000-500 mb thick: 5378.00 m Freezing level: Surface below freezing Freezing level: 1013.34 mb = 135.78 m = 445.47 ft Freezing level: 948.94 mb = 668.21 m = 2192.27 ft Wetbulb zero: Below ground Precipitable water: 0.25 inches Sfc-500 mean rel hum: 32.55 % Est. max temperature: 9.37 C = 48.87 F Sfc-Lift cond lev (LCL): 948.54 mb = 666.23 m = 2185.78 ft T: 0.01 C 700-500 lapse rate: 8.06 C/km ThetaE index: 3.37 C Layer 1000.0- 874.0 mb Conv cond level (CCL): 599.01 mb = 4261.53 m = 13981.24 ft Mean mixing ratio: 2.45 g/kg Conv temperature: 30.22 C = 86.40 F Cap Strength: 17.77 C Lifted Index: 16.33 C Risk: None Lifted Index @300 mb: 21.44 C Lifted Index @700 mb: 15.84 C Showalter Index: 14.87 C Risk: None Total Totals Index: 29.20 C Risk: None Vertical Totals Index: 20.60 C Cross Totals Index: 8.60 C K Index: -24.70 Risk: None Sweat Index: 60.00 Risk: None Energy Index: 4.07 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.59 J/kg Max Up Vert Vel: 5.21 m/s Conv Inhibition (B-): 65268.50 J/kg Cap Strength: 17.70 C Lift Cond Lev (LCL): 864.68 mb = 1401.78 m = 4598.98 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 324 at 18 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 1018 99 270 1 1.0 -0.0 | 146 18 -9.7 14.7 1 1000 242 295 3 2.7 -1.3 | 149 16 -8.0 13.4 2 925 868 345 11 2.8 -10.6 | 117 9 -7.9 4.0 3 850 1537 335 9 3.8 -8.2 | 133 10 -6.9 6.5 4 700 3064 300 25 21.7 -12.5 | 259 11 10.9 2.2 5 500 5620 280 42 41.4 -7.3 | 256 32 30.6 7.4 6 400 7200 295 54 48.9 -22.8 | 282 39 38.2 -8.2 7 300 9120 310 62 47.5 -39.9 | 304 45 36.8 -25.2 8 282 9518 300 58 50.2 -29.0 | 290 42 39.5 -14.3 9 250 10290 285 69 66.6 -17.9 | 273 56 55.9 -3.2 10 200 11740 280 81 79.8 -14.1 | 269 69 69.0 0.6 11 151 13557 280 89 87.6 -15.5 | 271 77 76.9 -0.8 12 150 13600 280 87 85.7 -15.1 | 270 75 75.0 -0.4 13 100 16170 275 68 67.7 -5.9 | 261 58 57.0 8.7 14 70 18430 270 40 40.0 -0.0 | 243 33 29.3 14.7 15 50 20550 270 35 35.0 -0.0 | 239 28 24.3 14.7 16 30 23820 260 27 26.6 4.7 | 219 25 15.9 19.4 17 20 26410 255 13 12.6 3.4 | 186 18 1.8 18.0 18 10 30860 340 3 1.0 -2.8 | 141 15 -9.7 11.8 Wind Parameters Mean winds (0-6000m): 293.8 at 24.2 knts Storm direction: 323.8 at 18.2 knts Shear (0-3000m) pos: 1.7 neg: 3.2 tot: 5.0 10-3/s Storm rel Dir Shear (0-3000m): 112.6 deg Storm rel helicity (0-3000m) pos: 17.0 neg: -14.1 tot: 3.0 m^2/s^2 ave: 1.0 10^-3 m/s^2 rel: 0.15 Storm rel vorticity (0-3000m) horiz: 5.8 stream: 0.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.25 Bulk Shear: 53.76 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 ------------------------------------------------------------------------------- 500 312 4 147 14| 7.2 0.0 7.2| 4.2 -3.6 0.6 1.2 -0.03| 7.7 -0.2 1000 336 7 136 11| 5.2 0.0 5.2| 6.1 -14.1 -7.9 -7.9 -0.28| 6.7 -1.9 1500 337 8 134 11| 3.4 0.5 4.0| 10.0 -14.1 -4.1 -2.7 -0.14| 5.2 -0.7 2000 334 9 135 9| 2.6 1.6 4.2| 11.9 -14.1 -2.2 -1.1 -0.03| 5.4 -0.1 2500 326 11 140 7| 2.1 2.6 4.6| 15.5 -14.1 1.4 0.6 0.16| 5.6 0.9 3000 317 13 159 6| 1.7 3.2 5.0| 17.0 -14.1 3.0 1.0 0.15| 5.8 0.9 4000 308 17 207 5| 1.3 3.4 4.7| 19.2 -14.3 4.9 1.2 0.14| 5.4 0.7 5000 300 20 237 8| 1.0 3.5 4.5| 19.2 -21.8 -2.6 -0.5 0.09| 5.1 0.5 6000 294 24 247 12| 1.3 3.3 4.5| 58.1 -30.5 27.6 4.6 0.13| 5.1 0.7 Wrote GIF file: /home/apache/climate/data/raob//X1873/skewt/X1873.skewt.20251016.12.gif