UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101800.upa.cvt Date: 0000Z 18 OCT 25 Searching for X1873... Searching the city database file for: X1873 ... Date:0000Z 18 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 1014 99 -1.7 -5.2 77 3.5 -2.9 270 3 270.4 270.8 269.5 277.3 2.55 1 1000 209 -3.3 -8.1 69 4.8 -4.8 275 5 269.9 270.2 268.4 275.5 2.07 2 947 637 -6.7 -10.2 76 3.5 -7.7 310 15 270.6 270.9 268.5 275.8 1.85 3 925 820 -8.1 -11.6 76 3.5 -9.1 325 19 271.0 271.3 268.5 275.7 1.70 4 878 1222 -11.1 -14.0 79 2.9 -11.8 325 19 272.0 272.2 268.7 276.1 1.47 5 875 1249 -10.7 -13.6 79 2.9 -11.4 325 19 272.7 272.9 269.2 277.0 1.53 6 850 1472 -9.5 -14.5 67 5.0 -10.8 325 19 276.2 276.4 271.4 280.4 1.46 7 844 1527 -9.3 -14.3 67 5.0 -10.6 324 19 277.0 277.2 271.9 281.2 1.49 8 750 2434 -11.9 -20.9 47 9.0 -13.9 312 22 283.7 283.8 274.9 286.6 0.96 9 705 2908 -11.9 -23.9 36 12.0 -14.4 306 23 288.7 288.9 277.2 291.2 0.79 10 700 2962 -11.7 -24.7 33 13.0 -14.4 305 23 289.5 289.7 277.6 291.8 0.74 11 697 2995 -11.7 -24.7 33 13.0 -14.4 304 23 289.9 290.0 277.7 292.2 0.74 12 622 3861 -15.9 -34.9 18 19.0 -18.7 289 34 294.7 294.7 279.4 295.7 0.32 13 602 4108 -14.7 -38.7 11 24.0 -18.1 285 37 298.8 298.9 281.1 299.6 0.22 14 587 4299 -16.1 -42.1 9 26.0 -19.4 281 39 299.4 299.4 281.3 299.9 0.16 15 521 5188 -22.1 -47.1 8 25.0 -24.5 266 50 302.5 302.5 282.5 302.9 0.11 16 500 5490 -23.1 -47.1 9 24.0 -25.4 260 54 304.9 304.9 283.5 305.3 0.11 17 489 5652 -23.3 -48.3 8 25.0 -25.6 259 58 306.6 306.6 284.1 306.9 0.10 18 445 6332 -28.3 -53.3 7 25.0 -30.0 255 78 308.7 308.7 284.9 308.9 0.06 19 414 6846 -29.1 -53.1 8 24.0 -30.8 252 92 314.1 314.1 286.8 314.3 0.07 20 400 7090 -30.7 -55.7 7 25.0 -32.3 250 99 315.1 315.1 287.2 315.3 0.05 21 363 7773 -35.3 -59.3 7 24.0 -36.4 250 103 317.8 317.8 288.1 318.0 0.04 22 339 8247 -36.9 -59.9 7 23.0 -37.9 250 106 321.9 321.9 289.4 322.1 0.04 23 302 9035 -43.7 -63.7 9 20.0 -44.3 250 112 323.2 323.2 289.8 323.2 0.02 24 300 9080 -43.9 -63.9 9 20.0 -44.5 250 112 323.5 323.5 289.9 323.6 0.02 25 250 10300 -46.5 -66.5 9 20.0 -47.0 250 128 336.9 336.9 293.6 337.0 0.02 26 244 10460 -46.9 -65.9 10 19.0 -47.4 250 129 338.7 338.7 294.0 338.8 0.02 27 235 10708 -48.5 -67.5 9 19.0 -49.0 250 130 339.9 339.9 294.3 340.0 0.02 28 217 11226 -51.9 -70.9 8 19.0 -52.2 250 126 342.5 342.5 294.9 342.5 0.01 29 200 11750 -54.1 -73.1 8 19.0 -54.4 250 122 347.1 347.1 296.0 347.1 0.01 30 195 11913 -54.7 -73.7 8 19.0 -55.0 250 122 348.7 348.7 296.3 348.7 0.01 31 188 12148 -52.7 -72.7 7 20.0 -53.1 252 119 355.6 355.6 297.8 355.6 0.01 32 150 13600 -55.9 -75.9 6 20.0 -56.2 265 97 373.8 373.8 301.2 373.8 0.01 33 126 14699 -58.7 -78.7 6 20.0 -59.0 263 88 387.8 387.8 303.5 387.8 0.01 34 100 16150 -58.1 -78.1 6 20.0 -58.5 260 75 415.5 415.5 307.2 415.5 0.01 35 97 16342 -55.9 -76.9 6 21.0 -56.4 261 73 423.4 423.4 308.1 423.5 0.01 36 76 17881 -58.7 -79.7 5 21.0 -59.2 268 59 448.1 448.1 310.7 448.2 0.01 37 75 17964 -58.1 -79.1 5 21.0 -58.6 268 58 451.1 451.1 311.0 451.2 0.01 38 70 18400 -55.5 -77.5 5 22.0 -56.2 270 54 465.7 465.7 312.3 465.7 0.01 39 64 18975 -53.7 -75.7 5 22.0 -54.6 261 50 481.7 481.7 313.6 481.8 0.02 40 55 19940 -58.3 -79.3 5 21.0 -58.9 245 44 492.5 492.5 314.4 492.6 0.01 41 50 20540 -58.7 -80.7 4 22.0 -59.3 235 40 505.2 505.2 315.3 505.2 0.01 42 49 20667 -58.9 -80.9 4 22.0 -59.6 235 39 507.6 507.6 315.5 507.7 0.01 43 45 21207 -52.9 -75.9 5 23.0 -54.2 236 36 534.7 534.7 317.2 534.9 0.03 44 31 23600 -54.3 -78.3 4 24.0 -55.9 240 24 591.0 591.1 320.2 591.2 0.03 45 30 23810 -53.5 -77.5 4 24.0 -55.3 240 23 598.8 598.8 320.6 599.0 0.03 46 25 24989 -50.5 -74.5 4 24.0 -53.2 247 21 639.5 639.5 322.3 640.0 0.06 47 20 26430 -54.3 -78.3 4 24.0 -56.6 255 19 670.0 670.0 323.4 670.3 0.04 48 19 26759 -54.7 -78.7 4 24.0 -57.0 678.6 678.6 323.7 679.0 0.04 49 10 30892 -51.9 -75.9 4 24.0 -56.5 825.8 825.9 327.9 827.1 0.13 TRP 195 11913 -54.7 -73.7 8 19.0 -55.0 250 122 348.7 348.7 296.3 348.7 0.01 WND 235 10708 -48.5 -67.5 9 19.0 -49.0 250 130 339.9 339.9 294.3 340.0 0.02 Sounding variables and indices 1000-500 mb thick: 5281.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.22 inches Sfc-500 mean rel hum: 40.14 % Est. max temperature: 2.14 C = 35.86 F Sfc-Lift cond lev (LCL): 959.78 mb = 531.62 m = 1744.13 ft T: -5.86 C 700-500 lapse rate: 4.51 C/km ThetaE index: 1.79 C Layer 1000.0- 947.0 mb Conv cond level (CCL): 887.00 mb = 1143.77 m = 3752.46 ft Mean mixing ratio: 1.93 g/kg Conv temperature: -0.27 C = 31.52 F Cap Strength: 22.53 C Lifted Index: 24.17 C Risk: None Lifted Index @300 mb: 33.83 C Lifted Index @700 mb: 14.18 C Showalter Index: 20.53 C Risk: None Total Totals Index: 22.20 C Risk: None Vertical Totals Index: 13.60 C Cross Totals Index: 8.60 C K Index: -13.90 Risk: None Sweat Index: 92.00 Risk: None Energy Index: 5.30 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.84 J/kg Max Up Vert Vel: 3.11 m/s Conv Inhibition (B-): 68901.39 J/kg Cap Strength: 23.72 C Lift Cond Lev (LCL): 905.36 mb = 985.64 m = 3233.68 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 311 at 23 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 1014 99 270 3 3.0 -0.0 | 137 21 -14.6 15.5 1 1000 209 275 5 5.0 -0.4 | 140 20 -12.6 15.1 2 925 820 325 19 10.9 -15.6 | 90 7 -6.7 -0.0 3 850 1472 325 19 10.9 -15.6 | 90 7 -6.7 -0.0 4 700 2962 305 23 18.8 -13.2 | 208 3 1.3 2.3 5 500 5490 260 54 53.2 9.4 | 235 43 35.6 24.9 6 400 7090 250 99 93.0 33.9 | 237 90 75.4 49.4 7 300 9080 250 112 105.2 38.3 | 238 103 87.7 53.8 8 250 10300 250 128 120.3 43.8 | 240 119 102.7 59.3 9 235 10708 250 130 122.2 44.5 | 240 121 104.6 60.0 10 200 11750 250 122 114.6 41.7 | 239 113 97.1 57.2 11 195 11913 250 122 114.6 41.7 | 239 113 97.1 57.2 12 150 13600 265 97 96.6 8.5 | 253 83 79.0 24.0 13 100 16150 260 75 73.9 13.0 | 243 63 56.3 28.5 14 70 18400 270 54 54.0 -0.0 | 247 40 36.4 15.5 15 50 20540 235 40 32.8 22.9 | 202 41 15.2 38.5 16 30 23810 240 23 19.9 11.5 | 185 27 2.3 27.0 17 20 26430 255 19 18.4 4.9 | 182 20 0.8 20.4 Wind Parameters Mean winds (0-6000m): 281.4 at 31.3 knts Storm direction: 311.4 at 23.4 knts Shear (0-3000m) pos: 3.0 neg: 1.7 tot: 4.7 10-3/s Storm rel Dir Shear (0-3000m): 98.4 deg Storm rel helicity (0-3000m) pos: 16.4 neg: -15.5 tot: 0.9 m^2/s^2 ave: 0.3 10^-3 m/s^2 rel: 0.03 Storm rel vorticity (0-3000m) horiz: 5.2 stream: 0.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.07 Bulk Shear: 72.20 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 ------------------------------------------------------------------------------- 500 296 8 140 16| 12.0 0.0 12.0| 12.4 -3.7 8.7 17.5 0.10| 12.8 1.3 1000 318 13 123 11| 9.0 0.0 9.0| 12.4 -15.5 -3.1 -3.1 -0.25| 10.2 -2.6 1500 321 15 115 9| 6.0 0.2 6.2| 12.5 -15.5 -3.0 -2.0 -0.24| 7.0 -1.7 2000 321 16 112 8| 4.5 0.9 5.4| 13.2 -15.5 -2.3 -1.1 -0.19| 5.9 -1.1 2500 319 17 112 7| 3.6 1.3 4.9| 14.3 -15.5 -1.2 -0.5 -0.09| 5.3 -0.5 3000 316 18 116 5| 3.0 1.7 4.7| 16.4 -15.5 0.9 0.3 0.03| 5.2 0.2 4000 307 21 165 3| 2.2 3.3 5.5| 19.4 -18.3 1.1 0.3 0.05| 5.9 0.3 5000 294 26 230 8| 1.8 4.4 6.2| 19.4 -60.8 -41.4 -8.3 -0.05| 6.6 -0.4 6000 281 31 234 16| 1.5 5.7 7.2| 50.2 -97.8 -47.6 -7.9 -0.05| 7.7 -0.4 Wrote GIF file: /home/apache/climate/data/raob//X1873/skewt/X1873.skewt.20251018.00.gif