UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120912.upa.cvt Date: 1200Z 9 DEC 25 Searching for X1873... Searching the city database file for: X1873 ... Date:1200Z 9 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 1011 104 -16.7 -20.8 70 4.1 -17.3 270 1 255.6 255.8 255.1 257.6 0.72 1 1001 179 -12.3 -16.2 73 3.9 -13.1 284 3 260.8 260.9 260.0 263.7 1.08 2 1000 187 -12.5 -16.7 71 4.2 -13.3 285 3 260.6 260.8 259.8 263.5 1.03 3 925 779 -15.7 -21.7 60 6.0 -16.7 285 15 263.3 263.4 261.2 265.3 0.73 4 896 1018 -17.9 -23.9 59 6.0 -18.8 296 17 263.4 263.5 261.1 265.1 0.62 5 881 1144 -16.9 -23.9 55 7.0 -18.0 302 17 265.7 265.8 262.9 267.5 0.63 6 850 1412 -18.5 -28.5 41 10.0 -19.8 315 19 266.8 266.8 263.2 268.0 0.43 7 837 1527 -19.5 -29.5 41 10.0 -20.7 314 19 266.9 267.0 263.3 268.1 0.40 8 700 2835 -27.7 -35.7 46 8.0 -28.4 305 25 271.8 271.9 266.4 272.6 0.26 9 648 3387 -31.7 -39.7 45 8.0 -32.2 303 30 273.3 273.4 267.3 273.9 0.19 10 620 3699 -32.5 -40.5 45 8.0 -33.0 301 33 275.9 275.9 269.0 276.5 0.18 11 558 4433 -39.3 -47.3 42 8.0 -39.6 298 39 276.3 276.3 269.1 276.6 0.10 12 500 5180 -42.9 -49.9 46 7.0 -43.1 295 46 280.7 280.7 271.7 281.0 0.08 13 496 5234 -43.5 -50.5 46 7.0 -43.7 295 48 280.6 280.7 271.6 280.9 0.08 14 421 6329 -43.7 -51.7 41 8.0 -44.0 299 78 293.9 293.9 278.7 294.1 0.08 15 400 6670 -45.1 -54.1 36 9.0 -45.4 300 87 296.4 296.4 279.8 296.6 0.06 16 335 7847 -48.4 -59.3 27 10.8 -48.7 295 106 307.2 307.2 284.3 307.4 0.04 17 300 8570 -50.5 -62.5 23 12.0 -50.7 295 93 314.2 314.2 286.8 314.3 0.03 18 265 9367 -54.7 -66.7 21 12.0 -54.9 292 85 319.4 319.4 288.6 319.5 0.02 19 250 9740 -52.3 -64.3 22 12.0 -52.5 290 81 328.3 328.3 291.3 328.4 0.03 20 200 11200 -48.7 -62.7 18 14.0 -49.1 285 62 355.7 355.7 297.8 355.8 0.04 21 193 11434 -48.1 -63.1 16 15.0 -48.6 284 62 360.3 360.3 298.8 360.4 0.04 22 150 13080 -51.1 -67.1 13 16.0 -51.6 275 64 382.0 382.0 302.6 382.2 0.03 23 145 13301 -51.3 -67.3 13 16.0 -51.8 274 63 385.4 385.4 303.1 385.5 0.03 24 104 15481 -47.3 -65.3 11 18.0 -48.4 266 51 431.5 431.5 309.0 431.8 0.06 25 100 15740 -47.5 -66.5 10 19.0 -48.6 265 50 435.9 436.0 309.5 436.2 0.05 26 76 17525 -55.3 -73.3 9 18.0 -55.9 265 44 455.2 455.3 311.4 455.4 0.02 27 70 18050 -55.5 -73.5 9 18.0 -56.2 265 42 465.7 465.7 312.3 465.8 0.03 28 69 18142 -56.1 -74.1 9 18.0 -56.7 265 42 466.3 466.3 312.3 466.4 0.02 29 54 19720 -50.1 -70.1 8 20.0 -51.5 257 37 514.0 514.0 315.9 514.3 0.06 30 50 20220 -52.5 -71.5 8 19.0 -53.7 255 35 519.8 519.8 316.3 520.1 0.05 31 46 20755 -54.7 -73.7 8 19.0 -55.8 252 35 527.0 527.0 316.8 527.2 0.04 32 44 21042 -51.1 -71.1 7 20.0 -52.7 250 34 542.5 542.5 317.7 542.9 0.06 33 40 21658 -53.1 -73.1 7 20.0 -54.5 246 34 552.5 552.5 318.2 552.8 0.05 34 39 21822 -49.7 -69.7 8 20.0 -51.7 245 34 565.1 565.1 318.9 565.7 0.08 35 34 22705 -56.7 -75.7 7 19.0 -57.8 240 33 569.3 569.3 319.2 569.6 0.04 36 31 23290 -56.7 -75.7 7 19.0 -57.9 236 33 584.6 584.6 319.9 584.9 0.04 37 30 23500 -52.5 -72.5 7 20.0 -54.4 235 33 601.5 601.5 320.7 602.0 0.07 38 25 24701 -45.9 -66.9 8 21.0 -49.7 251 33 652.7 652.7 322.9 654.2 0.19 39 20 26180 -49.5 -69.5 8 20.0 -52.8 270 33 684.7 684.7 324.0 686.1 0.16 40 19 26517 -48.3 -69.3 7 21.0 -52.1 698.5 698.6 324.4 700.1 0.18 41 16 27635 -53.7 -73.7 7 20.0 -56.5 716.1 716.1 325.0 717.1 0.11 42 14 28495 -52.7 -73.7 6 21.0 -56.1 747.3 747.4 325.9 748.5 0.13 TRP 496 5234 -43.5 -50.5 46 7.0 -43.7 295 48 280.6 280.7 271.6 280.9 0.08 WND 335 7847 -48.4 -59.3 27 10.8 -48.7 295 106 307.2 307.2 284.3 307.4 0.04 Sounding variables and indices 1000-500 mb thick: 4993.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.09 inches Sfc-500 mean rel hum: 48.07 % Est. max temperature: -5.93 C = 21.33 F Sfc-Lift cond lev (LCL): 945.39 mb = 613.41 m = 2012.47 ft T: -14.80 C 700-500 lapse rate: 6.48 C/km ThetaE index: 0.24 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 801.95 mb = 1839.97 m = 6036.59 ft Mean mixing ratio: 0.86 g/kg Conv temperature: -4.22 C = 24.40 F Cap Strength: 10.61 C Lifted Index: 13.68 C Risk: None Lifted Index @300 mb: 35.44 C Lifted Index @700 mb: 7.64 C Showalter Index: 10.58 C Risk: None Total Totals Index: 38.80 C Risk: None Vertical Totals Index: 24.40 C Cross Totals Index: 14.40 C K Index: -12.10 Risk: None Sweat Index: 84.00 Risk: None Energy Index: 2.73 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.50 J/kg Max Up Vert Vel: 4.58 m/s Conv Inhibition (B-): 72290.20 J/kg Cap Strength: 13.38 C Lift Cond Lev (LCL): 885.32 mb = 1107.68 m = 3634.09 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 330 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 1011 104 270 1 1.0 -0.0 | 152 23 -10.9 20.3 1 1000 187 285 3 2.9 -0.8 | 155 21 -9.0 19.5 2 925 779 285 15 14.5 -3.9 | 189 17 2.6 16.4 3 850 1412 315 19 13.4 -13.4 | 193 7 1.5 6.8 4 700 2835 305 25 20.5 -14.3 | 235 10 8.6 5.9 5 500 5180 295 46 41.7 -19.4 | 268 30 29.8 0.8 6 496 5234 295 48 43.5 -20.3 | 270 32 31.6 -0.0 7 400 6670 300 87 75.3 -43.5 | 290 68 63.4 -23.2 8 335 7847 295 106 96.1 -44.8 | 286 88 84.2 -24.5 9 300 8570 295 93 84.3 -39.3 | 285 75 72.4 -19.1 10 250 9740 290 81 76.1 -27.7 | 277 65 64.2 -7.5 11 200 11200 285 62 59.9 -16.0 | 265 48 48.0 4.2 12 150 13080 275 64 63.8 -5.6 | 254 54 51.8 14.7 13 100 15740 265 50 49.8 4.4 | 237 45 37.9 24.6 14 70 18050 265 42 41.8 3.7 | 231 38 29.9 23.9 15 50 20220 255 35 33.8 9.1 | 217 37 21.9 29.3 16 30 23500 235 33 27.0 18.9 | 201 42 15.1 39.2 17 20 26180 270 33 33.0 -0.0 | 226 29 21.1 20.3 Wind Parameters Mean winds (0-6000m): 299.5 at 31.3 knts Storm direction: 329.5 at 23.5 knts Shear (0-3000m) pos: 3.3 neg: 1.5 tot: 4.7 10-3/s Storm rel Dir Shear (0-3000m): 93.7 deg Storm rel helicity (0-3000m) pos: 83.1 neg: -0.4 tot: 82.6 m^2/s^2 ave: 27.5 10^-3 m/s^2 rel: 0.63 Storm rel vorticity (0-3000m) horiz: 5.7 stream: 3.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.12 Bulk Shear: 84.27 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 ------------------------------------------------------------------------------- 500 285 6 163 20| 10.8 0.0 10.8| 44.8 0.0 44.8 89.6 0.82| 10.8 8.9 1000 289 11 174 17| 8.3 0.0 8.3| 64.6 0.0 64.6 64.6 0.71| 9.6 6.8 1500 299 13 179 14| 6.5 0.0 6.5| 66.7 -0.4 66.3 44.2 0.58| 8.4 4.8 2000 304 15 184 12| 4.9 0.6 5.5| 71.2 -0.4 70.8 35.4 0.61| 6.9 4.2 2500 305 17 190 11| 3.9 1.0 5.0| 75.5 -0.4 75.1 30.0 0.62| 6.1 3.8 3000 305 18 197 10| 3.3 1.5 4.7| 83.1 -0.4 82.6 27.5 0.63| 5.7 3.6 4000 304 22 216 10| 2.5 2.3 4.7|101.9 -0.4 101.5 25.4 0.61| 5.4 3.3 5000 301 26 236 12| 2.0 2.8 4.8|114.5 -0.4 114.1 22.8 0.53| 5.3 2.8 6000 300 31 253 16| 3.9 2.3 6.2|236.3 -0.4 235.8 39.3 0.50| 6.7 3.3 Wrote GIF file: /home/apache/climate/data/raob//X1873/skewt/X1873.skewt.20251209.12.gif