UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121112.upa.cvt Date: 1200Z 11 DEC 25 Searching for X1873... Searching the city database file for: X1873 ... Date:1200Z 11 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 1012 102 -19.3 -27.3 49 8.0 -20.2 270 3 253.0 253.0 252.2 254.1 0.40 1 1000 191 -18.3 -25.3 54 7.0 -19.2 275 7 254.9 254.9 254.0 256.2 0.49 2 996 221 -17.9 -24.9 54 7.0 -18.8 276 8 255.5 255.6 254.6 256.9 0.51 3 951 565 -19.9 -27.9 49 8.0 -20.8 291 22 256.9 257.0 255.5 258.1 0.40 4 925 769 -22.5 -30.5 48 8.0 -23.3 300 31 256.3 256.4 254.8 257.2 0.33 5 850 1383 -27.9 -33.9 56 6.0 -28.3 305 36 256.9 257.0 255.2 257.7 0.26 6 815 1684 -29.9 -35.9 56 6.0 -30.3 309 36 257.9 257.9 255.9 258.5 0.22 7 781 1989 -26.1 -32.1 57 6.0 -26.6 314 36 265.1 265.2 261.8 266.1 0.33 8 747 2310 -28.1 -34.1 56 6.0 -28.6 318 36 266.4 266.4 262.6 267.2 0.29 9 736 2417 -27.1 -33.1 57 6.0 -27.6 320 36 268.6 268.6 264.3 269.5 0.32 10 700 2777 -28.3 -35.3 51 7.0 -28.9 325 36 271.1 271.2 266.0 272.0 0.27 11 698 2797 -28.3 -35.3 51 7.0 -28.9 325 36 271.4 271.4 266.1 272.2 0.27 12 557 4373 -40.7 -47.7 47 7.0 -40.9 315 34 274.8 274.8 268.1 275.1 0.09 13 500 5100 -45.5 -52.5 45 7.0 -45.7 310 33 277.6 277.6 269.8 277.8 0.06 14 464 5596 -47.9 -53.9 50 6.0 -48.0 312 35 280.6 280.6 271.6 280.8 0.05 15 400 6570 -51.1 -58.1 43 7.0 -51.2 315 40 288.6 288.6 276.0 288.7 0.04 16 387 6784 -52.3 -59.3 43 7.0 -52.4 314 39 289.7 289.7 276.6 289.9 0.03 17 367 7128 -51.3 -58.3 43 7.0 -51.4 312 39 295.5 295.5 279.4 295.6 0.04 18 341 7602 -54.3 -61.3 42 7.0 -54.4 309 37 297.7 297.7 280.4 297.8 0.03 19 310 8211 -55.7 -62.7 41 7.0 -55.8 305 36 304.0 304.0 283.0 304.1 0.03 20 300 8420 -55.7 -63.7 36 8.0 -55.8 300 40 306.8 306.8 284.1 306.9 0.02 21 293 8570 -55.7 -63.7 36 8.0 -55.8 298 42 308.9 308.9 284.9 309.0 0.02 22 270 9097 -50.9 -58.9 38 8.0 -51.1 291 47 323.2 323.2 289.8 323.4 0.05 23 250 9600 -49.3 -58.3 34 9.0 -49.6 285 52 332.8 332.8 292.5 333.0 0.06 24 200 11050 -50.3 -61.3 26 11.0 -50.7 280 58 353.1 353.1 297.4 353.3 0.05 25 155 12716 -50.5 -63.2 21 12.8 -51.0 270 69 379.5 379.5 302.2 379.8 0.05 26 150 12930 -50.5 -63.5 20 13.0 -51.0 275 68 383.1 383.1 302.8 383.3 0.05 27 148 13018 -51.3 -64.3 20 13.0 -51.8 275 67 383.1 383.2 302.8 383.4 0.05 28 122 14285 -48.7 -63.7 16 15.0 -49.4 270 59 409.7 409.7 306.5 410.0 0.06 29 100 15600 -47.3 -64.3 13 17.0 -48.4 265 50 436.3 436.4 309.6 436.7 0.07 30 82 16914 -47.1 -65.1 11 18.0 -48.4 257 60 462.2 462.2 312.0 462.6 0.07 31 71 17875 -44.1 -64.1 9 20.0 -46.1 251 67 488.1 488.1 314.1 488.6 0.10 32 70 17970 -44.5 -64.5 9 20.0 -46.5 250 68 489.2 489.2 314.2 489.8 0.09 33 61 18881 -49.1 -69.1 8 20.0 -50.5 246 68 498.6 498.6 314.9 498.9 0.06 34 52 19924 -50.5 -70.5 8 20.0 -52.0 241 69 518.6 518.6 316.2 519.0 0.05 35 50 20180 -49.9 -69.9 8 20.0 -51.5 240 69 525.9 525.9 316.7 526.3 0.06 36 46 20729 -46.7 -67.7 7 21.0 -49.0 230 59 546.3 546.3 317.9 546.9 0.09 37 41 21488 -49.5 -69.5 8 20.0 -51.4 217 45 557.6 557.6 318.5 558.1 0.08 38 37 22172 -42.1 -64.1 7 22.0 -46.0 205 32 593.2 593.3 320.3 594.6 0.19 39 35 22548 -41.9 -63.9 7 22.0 -46.0 198 26 603.2 603.3 320.8 604.7 0.20 40 30 23570 -51.9 -72.9 6 21.0 -53.9 180 7 603.2 603.2 320.7 603.6 0.07 41 28 24014 -55.1 -76.1 6 21.0 -56.7 196 11 606.3 606.3 320.9 606.6 0.04 42 23 25266 -57.1 -78.1 5 21.0 -58.6 242 23 635.5 635.5 322.2 635.8 0.04 43 21 25847 -53.1 -74.1 6 21.0 -55.5 264 28 664.3 664.3 323.2 665.0 0.08 44 20 26160 -55.5 -76.5 6 21.0 -57.5 275 31 666.3 666.3 323.3 666.8 0.06 45 19 26487 -55.7 -76.7 6 21.0 -57.8 675.5 675.5 323.6 676.0 0.06 46 17 27197 -54.7 -75.7 6 21.0 -57.2 700.6 700.6 324.5 701.2 0.08 TRP 310 8211 -55.7 -62.7 41 7.0 -55.8 305 36 304.0 304.0 283.0 304.1 0.03 WND 155 12716 -50.5 -63.2 21 12.8 -51.0 270 69 379.5 379.5 302.2 379.8 0.05 Sounding variables and indices 1000-500 mb thick: 4909.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.06 inches Sfc-500 mean rel hum: 51.05 % Est. max temperature: -15.45 C = 4.19 F Sfc-Lift cond lev (LCL): 886.73 mb = 1075.80 m = 3529.48 ft T: -25.20 C 700-500 lapse rate: 7.40 C/km ThetaE index: 0.83 C Layer 925.0- 850.0 mb Conv cond level (CCL): 828.12 mb = 1569.41 m = 5148.91 ft Mean mixing ratio: 0.41 g/kg Conv temperature: -14.74 C = 5.47 F Cap Strength: 15.00 C Lifted Index: 16.77 C Risk: None Lifted Index @300 mb: 35.16 C Lifted Index @700 mb: 12.99 C Showalter Index: 16.36 C Risk: None Total Totals Index: 29.20 C Risk: None Vertical Totals Index: 17.60 C Cross Totals Index: 11.60 C K Index: -23.30 Risk: None Sweat Index: 105.00 Risk: None Energy Index: 4.33 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.26 J/kg Max Up Vert Vel: 4.07 m/s Conv Inhibition (B-): 70583.91 J/kg Cap Strength: 16.51 C Lift Cond Lev (LCL): 848.36 mb = 1396.78 m = 4582.54 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 343 at 25 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 1012 102 270 3 3.0 -0.0 | 170 24 -4.1 23.7 1 1000 191 275 7 7.0 -0.6 | 180 23 -0.2 23.1 2 925 769 300 31 26.8 -15.5 | 247 21 19.7 8.2 3 850 1383 305 36 29.5 -20.6 | 262 23 22.3 3.1 4 700 2777 325 36 20.6 -29.5 | 293 15 13.5 -5.7 5 500 5100 310 33 25.3 -21.2 | 262 18 18.1 2.5 6 400 6570 315 40 28.3 -28.3 | 282 22 21.1 -4.5 7 310 8211 305 36 29.5 -20.6 | 262 23 22.3 3.1 8 300 8420 300 40 34.6 -20.0 | 262 28 27.5 3.7 9 250 9600 285 52 50.2 -13.5 | 257 44 43.1 10.3 10 200 11050 280 58 57.1 -10.1 | 255 52 50.0 13.7 11 155 12716 270 69 69.0 -0.0 | 249 66 61.9 23.7 12 150 12930 275 68 67.7 -5.9 | 254 63 60.6 17.8 13 100 15600 265 50 49.8 4.4 | 237 51 42.7 28.1 14 70 17970 250 68 63.9 23.3 | 230 74 56.7 47.0 15 50 20180 240 69 59.8 34.5 | 222 78 52.6 58.2 16 30 23570 180 7 0.0 7.0 | 167 32 -7.1 30.7 17 20 26160 275 31 30.9 -2.7 | 228 32 23.7 21.0 Wind Parameters Mean winds (0-6000m): 313.2 at 33.1 knts Storm direction: 343.2 at 24.8 knts Shear (0-3000m) pos: 5.8 neg: 0.0 tot: 5.8 10-3/s Storm rel Dir Shear (0-3000m): 117.9 deg Storm rel helicity (0-3000m) pos: 247.3 neg: -4.8 tot: 242.5 m^2/s^2 ave: 80.8 10^-3 m/s^2 rel: 0.88 Storm rel vorticity (0-3000m) horiz: 8.4 stream: 7.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.13 Bulk Shear: 61.43 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 ------------------------------------------------------------------------------- 500 288 14 197 20| 22.0 0.0 22.0|124.7 0.0 124.7 249.5 0.99| 22.5 22.2 1000 298 22 223 18| 16.1 0.0 16.1|185.0 0.0 185.0 185.0 0.99| 16.8 16.6 1500 301 27 237 19| 11.6 0.0 11.6|208.7 0.0 208.7 139.2 0.98| 12.8 12.5 2000 304 29 246 18| 8.7 0.0 8.7|226.5 0.0 226.5 113.2 0.95| 10.8 10.2 2500 308 30 253 18| 7.0 0.0 7.0|242.5 0.0 242.5 97.0 0.94| 9.5 8.9 3000 311 31 259 17| 5.8 0.0 5.8|247.3 -4.8 242.5 80.8 0.88| 8.4 7.4 4000 313 32 264 16| 4.4 0.5 4.9|247.3 -20.9 226.4 56.6 0.74| 6.8 5.1 5000 314 33 266 17| 3.5 0.8 4.3|247.3 -37.3 210.0 42.0 0.63| 5.9 3.7 6000 313 33 266 17| 3.3 0.7 4.0|271.6 -37.3 234.3 39.1 0.65| 5.3 3.5 Wrote GIF file: /home/apache/climate/data/raob//X1873/skewt/X1873.skewt.20251211.12.gif