UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102800.upa.cvt Date: 0000Z 28 OCT 25 Searching for X1873... Searching the city database file for: X1873 ... Date:0000Z 28 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 1001 103 -1.7 -5.8 74 4.1 -3.1 250 7 271.4 271.8 270.0 278.1 2.47 1 1000 111 -1.9 -6.4 71 4.5 -3.4 250 7 271.2 271.6 269.7 277.7 2.36 2 925 724 -6.9 -10.7 74 3.8 -8.0 285 31 272.3 272.6 269.5 277.3 1.82 3 878 1128 -10.3 -13.8 75 3.5 -11.2 297 34 272.8 273.1 269.3 277.0 1.50 4 850 1377 -11.5 -14.7 77 3.2 -12.3 305 36 274.1 274.3 270.0 278.2 1.44 5 818 1670 -13.1 -16.1 78 3.0 -13.8 306 35 275.4 275.7 270.7 279.2 1.33 6 725 2575 -20.9 -24.1 75 3.2 -21.4 309 32 276.6 276.7 270.4 278.8 0.75 7 715 2677 -20.5 -23.8 75 3.3 -21.0 309 32 278.1 278.2 271.4 280.4 0.78 8 700 2834 -20.9 -25.3 68 4.4 -21.6 310 31 279.3 279.5 272.0 281.4 0.70 9 696 2876 -21.1 -25.9 65 4.8 -21.8 311 31 279.6 279.7 272.1 281.6 0.66 10 569 4328 -32.9 -41.9 40 9.0 -33.5 2 22 282.3 282.3 272.8 282.8 0.17 11 520 4958 -35.3 -44.3 39 9.0 -35.8 25 19 286.8 286.8 275.2 287.2 0.14 12 500 5230 -37.7 -45.7 43 8.0 -38.1 35 17 287.1 287.1 275.3 287.5 0.13 13 442 6067 -43.9 -49.9 51 6.0 -44.1 49 18 289.5 289.6 276.6 289.9 0.09 14 400 6730 -47.5 -53.5 50 6.0 -47.7 60 19 293.3 293.3 278.4 293.5 0.07 15 380 7068 -48.7 -54.7 50 6.0 -48.8 45 11 296.0 296.0 279.7 296.2 0.06 16 375 7155 -48.5 -54.5 50 6.0 -48.7 40 12 297.4 297.4 280.3 297.6 0.06 17 300 8630 -46.5 -54.5 40 8.0 -46.8 315 21 319.8 319.8 288.8 320.1 0.08 18 250 9850 -44.5 -56.5 25 12.0 -45.0 275 33 339.9 339.9 294.4 340.2 0.07 19 232 10350 -44.5 -58.5 20 14.0 -45.1 270 35 347.2 347.3 296.1 347.5 0.06 20 200 11340 -46.1 -62.1 15 16.0 -46.7 260 40 359.8 359.8 298.7 360.0 0.04 21 150 13240 -49.1 -68.1 9 19.0 -49.7 270 42 385.5 385.5 303.1 385.6 0.03 22 100 15870 -54.5 -74.5 7 20.0 -55.1 255 48 422.4 422.4 308.0 422.5 0.02 23 92 16403 -56.1 -76.1 6 20.0 -56.6 255 54 429.5 429.5 308.8 429.5 0.01 24 76 17628 -53.0 -74.4 6 21.4 -53.8 255 69 460.0 460.0 311.8 460.1 0.02 25 70 18160 -51.7 -73.7 5 22.0 -52.7 260 62 473.8 473.8 313.0 473.9 0.03 26 66 18543 -49.7 -71.7 6 22.0 -51.0 255 61 486.2 486.2 314.0 486.4 0.04 27 55 19715 -56.9 -77.9 5 21.0 -57.6 238 56 495.7 495.7 314.7 495.8 0.02 28 50 20320 -55.7 -77.7 5 22.0 -56.6 230 54 512.2 512.2 315.8 512.3 0.02 29 47 20714 -55.5 -77.5 5 22.0 -56.5 232 55 521.8 521.8 316.4 522.0 0.02 30 41 21591 -51.7 -74.7 5 23.0 -53.4 236 57 552.1 552.1 318.2 552.4 0.04 31 32 23178 -57.1 -79.1 5 22.0 -58.3 243 61 578.2 578.2 319.6 578.4 0.02 32 31 23380 -54.1 -77.1 4 23.0 -55.8 244 61 591.6 591.6 320.2 591.8 0.03 33 30 23590 -54.9 -77.9 4 23.0 -56.5 245 62 595.0 595.0 320.4 595.2 0.03 34 28 24033 -55.3 -78.3 4 23.0 -56.9 243 61 605.7 605.7 320.9 605.9 0.03 35 26 24513 -50.3 -74.3 4 24.0 -53.0 241 60 632.9 632.9 322.0 633.4 0.06 36 23 25309 -54.5 -78.5 4 24.0 -56.5 238 58 643.1 643.1 322.4 643.4 0.04 37 22 25596 -51.1 -75.1 4 24.0 -53.9 237 57 661.5 661.5 323.2 662.0 0.07 38 20 26220 -49.9 -74.9 4 25.0 -53.3 235 56 683.4 683.5 323.9 684.1 0.07 39 18 26913 -46.3 -72.3 4 26.0 -51.1 247 54 715.7 715.8 325.0 716.8 0.12 40 17 27290 -48.5 -73.5 4 25.0 -52.7 254 54 720.4 720.5 325.1 721.4 0.11 41 14 28583 -41.9 -68.9 4 27.0 -49.4 276 51 784.0 784.1 326.9 786.4 0.26 42 12 29620 -44.5 -70.5 4 26.0 -51.4 294 49 810.1 810.2 327.5 812.5 0.24 43 11 30206 -41.1 -68.1 4 27.0 -49.9 304 47 842.8 843.0 328.3 846.7 0.36 44 10 30850 -43.3 -69.3 4 26.0 -51.4 315 46 857.9 858.1 328.7 861.5 0.34 45 9.8 30986 -43.9 -69.9 4 26.0 -51.8 860.6 860.8 328.7 864.0 0.32 TRP 380 7068 -48.7 -54.7 50 6.0 -48.8 45 11 296.0 296.0 279.7 296.2 0.06 WND 76 17628 -53.0 -74.4 6 21.4 -53.8 255 69 460.0 460.0 311.8 460.1 0.02 Sounding variables and indices 1000-500 mb thick: 5119.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.21 inches Sfc-500 mean rel hum: 62.13 % Est. max temperature: 0.98 C = 33.76 F Sfc-Lift cond lev (LCL): 938.60 mb = 609.21 m = 1998.69 ft T: -5.96 C 700-500 lapse rate: 7.01 C/km ThetaE index: 1.09 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 880.20 mb = 1108.64 m = 3637.21 ft Mean mixing ratio: 2.01 g/kg Conv temperature: -0.28 C = 31.49 F Cap Strength: 8.16 C Lifted Index: 8.22 C Risk: None Lifted Index @300 mb: 30.03 C Lifted Index @700 mb: 3.69 C Showalter Index: 7.63 C Risk: None Total Totals Index: 49.20 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.20 C Cross Totals Index: 23.00 C K Index: 7.10 Risk: None Sweat Index: 93.00 Risk: None Energy Index: 1.92 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.77 J/kg Max Up Vert Vel: 2.75 m/s Conv Inhibition (B-): 73724.31 J/kg Cap Strength: 8.23 C Lift Cond Lev (LCL): 892.01 mb = 1005.41 m = 3298.54 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 352 at 19 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 1001 103 250 7 6.6 2.4 | 190 22 3.8 21.5 1 1000 111 250 7 6.6 2.4 | 190 22 3.8 21.5 2 925 724 285 31 29.9 -8.0 | 248 29 27.1 11.1 3 850 1377 305 36 29.5 -20.6 | 273 27 26.7 -1.5 4 700 2834 310 31 23.7 -19.9 | 272 21 20.9 -0.8 5 500 5230 35 17 -9.8 -13.9 | 112 14 -12.6 5.2 6 400 6730 60 19 -16.5 -9.5 | 117 22 -19.3 9.6 7 380 7068 45 11 -7.8 -7.8 | 137 16 -10.6 11.3 8 300 8630 315 21 14.8 -14.8 | 250 13 12.0 4.3 9 250 9850 275 33 32.9 -2.9 | 242 34 30.1 16.2 10 200 11340 260 40 39.4 6.9 | 235 45 36.6 26.1 11 150 13240 270 42 42.0 -0.0 | 244 44 39.2 19.1 12 100 15870 255 48 46.4 12.4 | 234 54 43.6 31.5 13 76 17628 255 69 66.6 17.9 | 240 74 63.8 37.0 14 70 18160 260 62 61.1 10.8 | 243 65 58.3 29.9 15 50 20320 230 54 41.4 34.7 | 216 66 38.6 53.8 16 30 23590 245 62 56.2 26.2 | 230 70 53.4 45.3 17 20 26220 235 56 45.9 32.1 | 220 67 43.1 51.2 18 10 30850 315 46 32.5 -32.5 | 294 33 29.7 -13.4 Wind Parameters Mean winds (0-6000m): 321.7 at 25.8 knts Storm direction: 351.7 at 19.3 knts Shear (0-3000m) pos: 4.8 neg: 0.0 tot: 4.8 10-3/s Storm rel Dir Shear (0-3000m): 91.4 deg Storm rel helicity (0-3000m) pos: 282.4 neg: -2.5 tot: 279.9 m^2/s^2 ave: 93.3 10^-3 m/s^2 rel: 0.81 Storm rel vorticity (0-3000m) horiz: 8.7 stream: 7.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.07 Bulk Shear: 50.84 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 ------------------------------------------------------------------------------- 500 272 16 216 23| 20.9 0.0 20.9|133.0 0.0 133.0 265.9 0.96| 21.7 20.8 1000 285 24 238 24| 15.2 0.0 15.2|228.6 0.0 228.6 228.6 0.97| 17.5 16.9 1500 293 28 250 24| 10.9 0.0 10.9|267.6 -0.0 267.6 178.4 0.95| 13.9 13.1 2000 297 29 256 24| 7.8 0.0 7.8|267.6 -0.6 267.0 133.5 0.90| 10.9 9.8 2500 300 30 260 24| 5.9 0.0 5.9|267.6 -1.8 265.8 106.3 0.86| 9.1 7.8 3000 302 30 262 23| 4.8 0.0 4.8|282.4 -2.5 279.9 93.3 0.81| 8.7 7.0 4000 309 29 268 20| 3.4 0.0 3.4|310.8 -2.5 308.4 77.1 0.78| 8.7 6.8 5000 314 28 270 17| 2.4 0.0 2.4|331.3 -2.5 328.9 65.8 0.78| 8.4 6.6 6000 322 26 275 13| 2.1 0.0 2.1|336.6 -2.5 334.2 55.7 0.74| 7.6 5.6 Wrote GIF file: /home/apache/climate/data/raob//X1873/skewt/X1873.skewt.20251028.00.gif