UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120312.upa.cvt Date: 1200Z 3 DEC 25 Searching for X1873... Searching the city database file for: X1873 ... Date:1200Z 3 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 1004 102 -21.1 -25.7 66 4.6 -21.6 225 3 251.8 251.8 251.3 253.0 0.47 1 1002 117 -19.3 -24.0 66 4.7 -19.9 227 4 253.7 253.8 253.1 255.2 0.55 2 1000 132 -19.1 -23.8 66 4.7 -19.7 230 5 254.1 254.1 253.4 255.6 0.56 3 963 413 -18.7 -24.7 59 6.0 -19.5 254 15 257.2 257.3 256.0 258.7 0.54 4 925 712 -21.7 -27.7 58 6.0 -22.4 280 25 257.1 257.2 255.7 258.3 0.42 5 850 1327 -27.1 -32.1 62 5.0 -27.5 305 23 257.8 257.8 256.0 258.6 0.30 6 827 1524 -28.3 -33.2 63 4.9 -28.7 306 24 258.5 258.6 256.5 259.3 0.28 7 765 2086 -25.9 -31.9 57 6.0 -26.5 308 27 266.9 267.0 263.2 268.0 0.35 8 730 2424 -27.7 -34.7 51 7.0 -28.3 309 29 268.6 268.6 264.2 269.4 0.28 9 700 2726 -26.9 -32.9 57 6.0 -27.5 310 31 272.7 272.8 267.2 273.7 0.34 10 699 2736 -26.9 -32.9 57 6.0 -27.5 310 31 272.8 272.9 267.3 273.8 0.34 11 507 4986 -42.5 -47.5 58 5.0 -42.7 344 33 280.1 280.1 271.4 280.4 0.10 12 500 5080 -42.9 -47.9 58 5.0 -43.1 345 33 280.7 280.8 271.8 281.1 0.10 13 400 6560 -50.9 -56.9 49 6.0 -51.0 340 21 288.8 288.8 276.2 289.0 0.04 14 375 6977 -53.5 -59.5 48 6.0 -53.6 330 21 290.8 290.8 277.1 290.9 0.03 15 342 7569 -53.5 -59.5 48 6.0 -53.6 326 23 298.5 298.5 280.7 298.7 0.04 16 302 8367 -53.9 -60.9 42 7.0 -54.0 320 27 308.8 308.8 284.9 308.9 0.03 17 300 8410 -53.5 -60.5 42 7.0 -53.7 320 27 309.9 309.9 285.4 310.1 0.04 18 280 8855 -49.1 -57.1 39 8.0 -49.3 309 28 322.4 322.5 289.6 322.7 0.06 19 259 9361 -51.5 -59.5 38 8.0 -51.7 296 29 326.2 326.2 290.7 326.4 0.05 20 250 9590 -50.7 -58.7 38 8.0 -50.9 290 29 330.7 330.7 292.0 330.9 0.06 21 200 11050 -49.3 -59.3 30 10.0 -49.7 275 40 354.7 354.7 297.7 355.0 0.06 22 150 12930 -50.3 -64.3 18 14.0 -50.8 265 54 383.4 383.4 302.8 383.6 0.04 23 143 13244 -48.5 -62.5 18 14.0 -49.1 264 55 391.8 391.8 304.1 392.1 0.06 24 100 15580 -53.3 -69.1 13 15.8 -53.9 255 60 424.8 424.8 308.3 424.9 0.03 25 97 15776 -53.7 -69.7 12 16.0 -54.3 255 60 427.7 427.7 308.6 427.9 0.03 26 75 17434 -51.5 -69.5 10 18.0 -52.4 255 57 464.9 465.0 312.3 465.2 0.04 27 70 17880 -52.7 -69.7 11 17.0 -53.6 255 56 471.6 471.7 312.8 471.9 0.05 28 58 19085 -56.7 -73.7 10 17.0 -57.3 252 63 488.7 488.7 314.1 488.9 0.03 29 50 20030 -55.7 -73.7 9 18.0 -56.6 250 68 512.2 512.2 315.8 512.4 0.04 30 47 20424 -57.1 -75.1 8 18.0 -57.9 247 68 518.0 518.0 316.2 518.2 0.03 31 42 21150 -50.3 -69.3 9 19.0 -52.1 241 67 551.8 551.8 318.2 552.3 0.08 32 39 21632 -53.9 -71.9 9 18.0 -55.2 238 66 554.5 554.5 318.3 554.9 0.06 33 36 22148 -53.7 -72.7 8 19.0 -55.1 234 65 567.8 567.9 319.0 568.3 0.06 34 32 22917 -48.1 -68.1 8 20.0 -50.8 228 65 602.3 602.3 320.7 603.2 0.12 35 30 23340 -51.5 -70.5 9 19.0 -53.5 225 64 604.2 604.3 320.8 605.0 0.09 36 29 23559 -52.7 -71.7 8 19.0 -54.6 225 65 606.8 606.9 320.9 607.4 0.08 37 23 25084 -43.7 -64.7 8 21.0 -48.4 225 73 674.9 675.0 323.7 677.2 0.28 38 20 26020 -44.5 -65.5 8 21.0 -49.4 225 77 700.0 700.1 324.5 702.5 0.29 39 17 27093 -47.5 -68.5 7 21.0 -51.9 225 68 723.6 723.7 325.2 725.7 0.22 40 14 28401 -36.1 -59.1 8 23.0 -45.7 225 57 803.6 804.1 327.5 813.1 0.95 41 10 30670 -47.5 -69.5 6 22.0 -53.6 225 38 842.2 842.4 328.3 845.7 0.33 42 9.1 31296 -45.3 -68.3 6 23.0 -52.7 873.7 873.9 329.0 878.4 0.43 TRP 375 6977 -53.5 -59.5 48 6.0 -53.6 330 21 290.8 290.8 277.1 290.9 0.03 WND 100 15580 -53.3 -69.1 13 15.8 -53.9 255 60 424.8 424.8 308.3 424.9 0.03 Sounding variables and indices 1000-500 mb thick: 4948.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.08 inches Sfc-500 mean rel hum: 58.25 % Est. max temperature: -15.13 C = 4.76 F Sfc-Lift cond lev (LCL): 930.36 mb = 669.10 m = 2195.19 ft T: -21.27 C 700-500 lapse rate: 6.80 C/km ThetaE index: 0.38 C Layer 925.0- 850.0 mb Conv cond level (CCL): 850.73 mb = 1320.74 m = 4333.07 ft Mean mixing ratio: 0.49 g/kg Conv temperature: -15.10 C = 4.82 F Cap Strength: 18.42 C Lifted Index: 18.84 C Risk: None Lifted Index @300 mb: 36.95 C Lifted Index @700 mb: 13.83 C Showalter Index: 18.19 C Risk: None Total Totals Index: 26.60 C Risk: None Vertical Totals Index: 15.80 C Cross Totals Index: 10.80 C K Index: -22.30 Risk: None Sweat Index: 79.00 Risk: None Energy Index: 4.84 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.85 J/kg Max Up Vert Vel: 5.07 m/s Conv Inhibition (B-): 69153.43 J/kg Cap Strength: 18.38 C Lift Cond Lev (LCL): 868.48 mb = 1170.57 m = 3840.41 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 351 at 21 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 1004 102 225 3 2.1 2.1 | 177 23 -1.2 22.7 1 1000 132 230 5 3.8 3.2 | 181 24 0.5 23.8 2 925 712 280 25 24.6 -4.3 | 233 27 21.3 16.2 3 850 1327 305 23 18.8 -13.2 | 245 17 15.5 7.4 4 700 2726 310 31 23.7 -19.9 | 268 20 20.4 0.7 5 500 5080 345 33 8.5 -31.9 | 335 12 5.2 -11.3 6 400 6560 340 21 7.2 -19.7 | 258 4 3.8 0.8 7 375 6977 330 21 10.5 -18.2 | 251 8 7.1 2.4 8 300 8410 320 27 17.4 -20.7 | 270 14 14.0 -0.1 9 250 9590 290 29 27.3 -9.9 | 246 26 23.9 10.7 10 200 11050 275 40 39.8 -3.5 | 245 40 36.5 17.1 11 150 12930 265 54 53.8 4.7 | 243 56 50.4 25.3 12 100 15580 255 60 58.0 15.5 | 237 65 54.6 36.1 13 70 17880 255 56 54.1 14.5 | 235 62 50.7 35.1 14 50 20030 250 68 63.9 23.3 | 234 75 60.5 43.8 15 30 23340 225 64 45.3 45.3 | 212 78 41.9 65.8 16 20 26020 225 77 54.4 54.4 | 214 91 51.1 75.0 17 10 30670 225 38 26.9 26.9 | 206 53 23.5 47.4 Wind Parameters Mean winds (0-6000m): 320.7 at 27.8 knts Storm direction: 350.7 at 20.9 knts Shear (0-3000m) pos: 5.4 neg: 0.0 tot: 5.4 10-3/s Storm rel Dir Shear (0-3000m): 98.6 deg Storm rel helicity (0-3000m) pos: 253.1 neg: 0.0 tot: 253.1 m^2/s^2 ave: 84.4 10^-3 m/s^2 rel: 0.84 Storm rel vorticity (0-3000m) horiz: 8.2 stream: 6.9 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.17 Bulk Shear: 74.50 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 ------------------------------------------------------------------------------- 500 262 13 202 24| 19.8 0.0 19.8|137.5 0.0 137.5 275.0 0.96| 21.5 20.7 1000 280 18 220 23| 11.8 0.0 11.8|195.7 0.0 195.7 195.7 0.87| 17.0 14.7 1500 289 20 228 21| 8.3 0.0 8.3|209.7 0.0 209.7 139.8 0.83| 13.1 10.8 2000 295 22 235 20| 7.0 0.0 7.0|223.0 0.0 223.0 111.5 0.83| 10.6 8.8 2500 299 23 241 19| 6.2 0.0 6.2|236.7 0.0 236.7 94.7 0.84| 9.1 7.6 3000 301 24 246 19| 5.4 0.0 5.4|253.1 0.0 253.1 84.4 0.84| 8.2 6.9 4000 308 26 256 18| 4.3 0.0 4.3|284.4 0.0 284.4 71.1 0.84| 7.2 6.1 5000 316 28 267 16| 3.5 0.0 3.5|312.1 0.0 312.1 62.4 0.86| 6.6 5.7 6000 321 28 274 14| 3.0 0.7 3.7|312.1 -9.6 302.5 50.4 0.70| 6.2 4.4 Wrote GIF file: /home/apache/climate/data/raob//X1873/skewt/X1873.skewt.20251203.12.gif