UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101812.upa.cvt Date: 1200Z 18 OCT 25 Searching for X1873... Searching the city database file for: X1873 ... Date:1200Z 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 1015 99 -2.9 -7.3 72 4.4 -4.3 0 0 269.1 269.5 268.0 275.0 2.17 1 1008 154 -1.5 -6.2 70 4.7 -3.1 320 0 271.0 271.4 269.6 277.5 2.38 2 1000 217 -1.7 -7.7 64 6.0 -3.7 275 1 271.5 271.8 269.5 277.3 2.14 3 937 731 -5.3 -11.3 63 6.0 -7.0 296 13 272.9 273.2 269.7 277.7 1.72 4 925 832 -6.3 -11.3 68 5.0 -7.7 300 15 272.9 273.2 269.7 277.7 1.74 5 850 1487 -11.5 -14.1 81 2.6 -12.2 305 25 274.1 274.4 270.1 278.4 1.51 6 778 2157 -18.1 -20.7 80 2.6 -18.6 303 26 274.0 274.2 269.1 276.8 0.94 7 767 2263 -15.7 -18.3 80 2.6 -16.3 302 26 277.7 277.9 271.8 281.2 1.18 8 761 2323 -13.5 -16.6 77 3.1 -14.2 302 26 280.7 281.0 273.9 284.8 1.37 9 731 2629 -13.3 -21.3 51 8.0 -15.0 301 27 284.2 284.4 275.2 287.1 0.95 10 722 2723 -14.3 -24.3 42 10.0 -16.2 301 27 284.1 284.3 274.8 286.4 0.74 11 700 2957 -15.5 -27.5 35 12.0 -17.6 300 27 285.3 285.4 275.2 287.1 0.57 12 577 4397 -22.7 -39.7 20 17.0 -24.5 286 40 293.1 293.1 278.5 293.8 0.21 13 571 4474 -23.3 -40.3 20 17.0 -25.1 285 41 293.3 293.3 278.6 294.0 0.20 14 556 4669 -23.1 -39.1 22 16.0 -24.9 283 43 295.8 295.8 279.8 296.5 0.23 15 500 5440 -27.7 -42.7 23 15.0 -29.0 275 50 299.3 299.3 281.3 299.9 0.18 16 400 7000 -37.3 -54.3 15 17.0 -38.1 265 69 306.5 306.5 284.1 306.7 0.06 17 386 7246 -38.9 -55.9 15 17.0 -39.6 265 73 307.5 307.6 284.5 307.7 0.05 18 300 8960 -45.1 -62.1 13 17.0 -45.6 265 101 321.8 321.8 289.3 321.9 0.03 19 258 9962 -48.7 -65.7 12 17.0 -49.1 265 104 330.7 330.7 291.9 330.8 0.02 20 250 10170 -46.7 -63.7 13 17.0 -47.2 260 104 336.6 336.6 293.5 336.8 0.03 21 248 10223 -46.1 -63.1 13 17.0 -46.6 260 105 338.3 338.3 293.9 338.4 0.03 22 228 10781 -46.1 -63.6 12 17.5 -46.7 260 112 346.5 346.5 295.9 346.7 0.03 23 210 11327 -46.1 -64.1 11 18.0 -46.7 260 108 354.8 354.8 297.7 354.9 0.03 24 200 11650 -47.3 -65.3 11 18.0 -47.9 260 106 357.9 357.9 298.3 358.0 0.03 25 150 13510 -55.3 -74.3 8 19.0 -55.6 260 89 374.8 374.8 301.4 374.8 0.01 26 130 14420 -57.9 -76.9 7 19.0 -58.2 260 83 385.8 385.8 303.2 385.8 0.01 27 100 16090 -54.7 -73.7 8 19.0 -55.2 260 73 422.0 422.0 308.0 422.1 0.02 28 85 17133 -52.3 -72.3 7 20.0 -53.1 253 61 447.0 447.0 310.6 447.1 0.03 29 77 17765 -56.9 -75.9 7 19.0 -57.4 249 53 450.2 450.2 310.9 450.3 0.02 30 72 18191 -55.3 -75.3 7 20.0 -56.0 246 48 462.3 462.3 312.0 462.4 0.02 31 70 18370 -56.9 -76.9 6 20.0 -57.5 245 46 462.7 462.7 312.0 462.7 0.02 32 68 18553 -58.7 -78.7 6 20.0 -59.2 246 45 462.6 462.6 312.0 462.7 0.01 33 61 19236 -58.7 -78.7 6 20.0 -59.2 249 40 477.2 477.2 313.2 477.3 0.01 34 59 19447 -56.1 -76.1 6 20.0 -56.8 250 38 487.6 487.6 314.1 487.8 0.02 35 53 20124 -59.7 -79.7 6 20.0 -60.2 253 34 494.5 494.5 314.5 494.6 0.01 36 50 20490 -57.5 -77.5 6 20.0 -58.2 255 31 508.0 508.0 315.5 508.1 0.02 37 39 22076 -52.1 -73.1 6 21.0 -53.7 253 33 559.0 559.1 318.6 559.4 0.05 38 33 23150 -54.5 -75.5 6 21.0 -55.9 251 35 580.0 580.0 319.7 580.3 0.04 39 30 23760 -53.9 -74.9 6 21.0 -55.6 250 36 597.7 597.7 320.5 598.1 0.05 40 27 24441 -50.3 -72.3 6 22.0 -52.9 253 33 626.1 626.1 321.7 626.7 0.08 41 23 25473 -56.3 -77.3 5 21.0 -57.9 257 27 637.8 637.8 322.2 638.2 0.04 42 21 26056 -52.3 -74.3 5 22.0 -54.9 259 25 666.7 666.8 323.3 667.4 0.08 43 20 26370 -53.5 -75.5 5 22.0 -55.9 260 23 672.4 672.4 323.5 673.0 0.07 44 10 30840 -52.3 -75.3 5 23.0 -56.7 295 9 824.3 824.4 327.8 825.7 0.14 45 8.1 32216 -48.1 -72.1 5 24.0 -54.8 892.2 892.3 329.3 895.3 0.28 TRP 258 9962 -48.7 -65.7 12 17.0 -49.1 265 104 330.7 330.7 291.9 330.8 0.02 WND 228 10781 -46.1 -63.6 12 17.5 -46.7 260 112 346.5 346.5 295.9 346.7 0.03 Sounding variables and indices 1000-500 mb thick: 5223.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.22 inches Sfc-500 mean rel hum: 47.87 % Est. max temperature: 1.87 C = 35.37 F Sfc-Lift cond lev (LCL): 947.05 mb = 646.73 m = 2121.79 ft T: -4.71 C 700-500 lapse rate: 4.91 C/km ThetaE index: 1.60 C Layer 778.0- 767.0 mb Conv cond level (CCL): 857.32 mb = 1420.54 m = 4660.51 ft Mean mixing ratio: 1.93 g/kg Conv temperature: 2.00 C = 35.60 F Cap Strength: 16.08 C Lifted Index: 18.22 C Risk: None Lifted Index @300 mb: 31.40 C Lifted Index @700 mb: 9.09 C Showalter Index: 17.51 C Risk: None Total Totals Index: 29.80 C Risk: None Vertical Totals Index: 16.20 C Cross Totals Index: 13.60 C K Index: -9.90 Risk: None Sweat Index: 100.00 Risk: None Energy Index: 4.54 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.12 J/kg Max Up Vert Vel: 3.50 m/s Conv Inhibition (B-): 73382.58 J/kg Cap Strength: 18.15 C Lift Cond Lev (LCL): 881.95 mb = 1201.19 m = 3940.85 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 317 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 1015 99 0 0 -0.0 -0.0 | 137 24 -16.1 17.3 1 1000 217 275 1 1.0 -0.1 | 139 23 -15.1 17.2 2 925 832 300 15 13.0 -7.5 | 162 10 -3.1 9.8 3 850 1487 305 25 20.5 -14.3 | 236 5 4.4 3.0 4 700 2957 300 27 23.4 -13.5 | 242 8 7.3 3.8 5 500 5440 275 50 49.8 -4.4 | 249 36 33.7 12.9 6 400 7000 265 69 68.7 6.0 | 246 58 52.6 23.3 7 300 8960 265 101 100.6 8.8 | 253 88 84.5 26.1 8 258 9962 265 104 103.6 9.1 | 253 91 87.5 26.4 9 250 10170 260 104 102.4 18.1 | 248 93 86.3 35.4 10 228 10781 260 112 110.3 19.4 | 249 101 94.2 36.8 11 200 11650 260 106 104.4 18.4 | 248 95 88.3 35.7 12 150 13510 260 89 87.6 15.5 | 245 79 71.6 32.8 13 100 16090 260 73 71.9 12.7 | 242 63 55.8 30.0 14 70 18370 245 46 41.7 19.4 | 215 45 25.6 36.7 15 50 20490 255 31 29.9 8.0 | 209 29 13.8 25.3 16 30 23760 250 36 33.8 12.3 | 211 35 17.7 29.6 17 20 26370 260 23 22.7 4.0 | 197 22 6.6 21.3 18 10 30840 295 9 8.2 -3.8 | 150 16 -7.9 13.5 Wind Parameters Mean winds (0-6000m): 287.1 at 31.5 knts Storm direction: 317.1 at 23.6 knts Shear (0-3000m) pos: 2.7 neg: 2.3 tot: 5.0 10-3/s Storm rel Dir Shear (0-3000m): 109.7 deg Storm rel helicity (0-3000m) pos: 53.9 neg: 0.0 tot: 53.9 m^2/s^2 ave: 18.0 10^-3 m/s^2 rel: 0.57 Storm rel vorticity (0-3000m) horiz: 5.2 stream: 3.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.06 Bulk Shear: 98.74 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 ------------------------------------------------------------------------------- 500 289 4 143 20| 0.0 10.0 10.0| 29.3 0.0 29.3 58.6 0.56| 10.1 5.7 1000 300 10 148 15| 5.0 5.0 10.0| 42.7 0.0 42.7 42.7 0.53| 10.1 5.3 1500 302 14 156 11| 5.5 3.3 8.8| 51.2 0.0 51.2 34.1 0.62| 8.9 5.5 2000 303 17 166 8| 4.1 2.7 6.8| 51.7 0.0 51.7 25.8 0.61| 6.9 4.2 2500 303 19 178 7| 3.3 2.3 5.6| 52.1 0.0 52.1 20.8 0.59| 5.8 3.4 3000 302 20 189 7| 2.7 2.3 5.0| 53.9 0.0 53.9 18.0 0.57| 5.2 3.0 4000 299 23 215 7| 2.0 3.1 5.1| 59.4 -0.1 59.3 14.8 0.46| 5.3 2.4 5000 293 27 233 11| 1.6 3.6 5.2| 59.4 -12.7 46.7 9.3 0.33| 5.5 1.8 6000 287 32 240 16| 1.4 4.1 5.4| 59.4 -27.5 31.9 5.3 0.24| 5.7 1.3 Wrote GIF file: /home/apache/climate/data/raob//X1873/skewt/X1873.skewt.20251018.12.gif