UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121200.upa.cvt Date: 0000Z 12 DEC 25 Searching for X1873... Searching the city database file for: X1873 ... Date:0000Z 12 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 1018 99 -20.7 -27.7 53 7.0 -21.4 250 3 251.2 251.2 250.6 252.2 0.39 1 1000 232 -18.1 -25.1 54 7.0 -19.0 250 11 255.1 255.1 254.1 256.4 0.50 2 992 292 -17.7 -24.7 54 7.0 -18.6 255 12 256.0 256.1 255.0 257.5 0.52 3 925 811 -21.9 -30.9 44 9.0 -22.8 295 25 256.9 257.0 255.3 257.8 0.31 4 910 931 -22.9 -31.9 44 9.0 -23.7 299 24 257.1 257.1 255.4 257.9 0.29 5 855 1388 -23.1 -33.1 40 10.0 -24.0 314 21 261.5 261.6 258.9 262.3 0.27 6 850 1431 -23.5 -33.5 39 10.0 -24.4 315 21 261.5 261.6 258.9 262.3 0.27 7 834 1569 -24.7 -34.7 39 10.0 -25.5 315 23 261.7 261.7 259.0 262.4 0.24 8 770 2150 -24.7 -34.7 39 10.0 -25.6 315 30 267.7 267.8 263.6 268.5 0.26 9 700 2838 -27.9 -38.9 34 11.0 -28.7 315 38 271.6 271.6 266.1 272.2 0.19 10 529 4804 -38.1 -52.1 22 14.0 -38.6 323 58 282.0 282.0 272.4 282.2 0.06 11 500 5190 -39.9 -52.9 24 13.0 -40.4 325 62 284.4 284.4 273.8 284.6 0.06 12 467 5656 -41.9 -54.9 23 13.0 -42.3 325 67 287.5 287.5 275.5 287.7 0.05 13 425 6289 -46.9 -58.9 24 12.0 -47.1 325 73 289.0 289.0 276.2 289.1 0.03 14 400 6690 -48.7 -60.7 24 12.0 -48.9 325 77 291.7 291.7 277.6 291.8 0.03 15 359 7397 -52.1 -64.1 22 12.0 -52.2 319 78 296.3 296.3 279.7 296.4 0.02 16 323 8078 -55.1 -67.1 21 12.0 -55.2 313 79 301.2 301.3 281.9 301.3 0.01 17 309 8362 -55.9 -67.9 21 12.0 -56.1 310 79 304.0 304.0 283.0 304.0 0.01 18 304 8466 -56.1 -68.1 21 12.0 -56.2 310 79 305.1 305.1 283.5 305.2 0.01 19 300 8550 -55.7 -67.7 21 12.0 -55.8 310 79 306.8 306.8 284.1 306.9 0.01 20 294 8678 -55.3 -67.3 21 12.0 -55.4 315 81 309.2 309.2 285.1 309.3 0.02 21 271 9197 -53.5 -65.5 22 12.0 -53.7 310 73 319.1 319.1 288.5 319.2 0.02 22 250 9710 -55.9 -67.9 21 12.0 -56.1 305 66 323.0 323.0 289.7 323.0 0.02 23 242 9918 -56.3 -68.3 21 12.0 -56.5 303 68 325.4 325.4 290.4 325.4 0.02 24 206 10949 -54.5 -67.5 19 13.0 -54.7 292 76 343.5 343.5 295.2 343.6 0.02 25 200 11140 -52.3 -66.3 17 14.0 -52.6 290 77 349.9 350.0 296.7 350.1 0.03 26 199 11173 -51.9 -65.9 17 14.0 -52.2 290 77 351.1 351.1 296.9 351.2 0.03 27 150 13000 -54.3 -69.3 14 15.0 -54.6 290 68 376.5 376.5 301.7 376.6 0.02 28 148 13086 -54.5 -69.5 14 15.0 -54.8 290 68 377.6 377.6 301.9 377.7 0.02 29 133 13777 -49.3 -66.3 12 17.0 -50.0 286 66 398.6 398.6 305.0 398.8 0.04 30 118 14557 -50.9 -68.9 10 18.0 -51.5 281 63 409.5 409.5 306.5 409.7 0.03 31 100 15640 -47.7 -66.7 9 19.0 -48.8 275 60 435.6 435.6 309.4 435.8 0.05 32 85 16713 -45.7 -66.7 8 21.0 -47.2 264 59 460.3 460.3 311.8 460.7 0.06 33 70 18000 -46.5 -68.5 6 22.0 -48.2 250 58 484.9 484.9 313.8 485.2 0.05 34 59 19137 -46.7 -68.7 6 22.0 -48.6 245 59 508.8 508.8 315.6 509.1 0.06 35 50 20240 -45.5 -68.5 6 23.0 -48.0 240 60 536.2 536.3 317.3 536.7 0.08 36 47 20653 -45.5 -68.5 6 23.0 -48.1 241 56 545.8 545.8 317.9 546.4 0.08 37 44 21096 -42.1 -66.1 6 24.0 -45.7 241 52 564.5 564.6 318.9 565.4 0.12 38 40 21731 -49.3 -72.3 5 23.0 -51.4 242 46 562.0 562.1 318.8 562.4 0.05 39 38 22067 -50.1 -73.1 5 23.0 -52.1 243 42 568.3 568.3 319.1 568.7 0.05 40 30 23610 -50.7 -73.7 5 23.0 -53.0 245 27 606.4 606.4 320.9 606.9 0.06 41 27 24296 -49.7 -72.7 5 23.0 -52.4 245 23 627.8 627.8 321.8 628.4 0.08 42 24 25055 -55.7 -77.7 5 22.0 -57.4 245 18 631.9 631.9 322.0 632.2 0.04 43 22 25610 -53.5 -76.5 4 23.0 -55.8 245 15 654.3 654.4 322.9 654.8 0.05 44 20 26220 -55.1 -78.1 4 23.0 -57.2 245 11 667.5 667.5 323.3 667.9 0.05 45 17 27253 -57.3 -79.3 5 22.0 -59.2 692.2 692.2 324.2 692.6 0.04 46 16 27636 -57.3 -79.3 5 22.0 -59.3 704.3 704.3 324.6 704.7 0.05 47 12 29481 -51.1 -75.1 4 24.0 -55.4 786.7 786.7 327.0 787.8 0.12 48 11 30053 -46.7 -71.7 4 25.0 -52.9 822.5 822.6 327.8 824.7 0.22 49 10 30684 -46.9 -71.9 4 25.0 -53.4 844.5 844.6 328.3 846.9 0.23 TRP 309 8362 -55.9 -67.9 21 12.0 -56.1 310 79 304.0 304.0 283.0 304.0 0.01 WND 294 8678 -55.3 -67.3 21 12.0 -55.4 315 81 309.2 309.2 285.1 309.3 0.02 Sounding variables and indices 1000-500 mb thick: 4958.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.05 inches Sfc-500 mean rel hum: 34.92 % Est. max temperature: -11.39 C = 11.51 F Sfc-Lift cond lev (LCL): 906.51 mb = 959.25 m = 3147.10 ft T: -22.91 C 700-500 lapse rate: 5.10 C/km ThetaE index: 0.00 C Layer 850.0- 834.0 mb Conv cond level (CCL): 627.02 mb = 3610.78 m = 11846.24 ft Mean mixing ratio: 0.42 g/kg Conv temperature: 3.95 C = 39.11 F Cap Strength: 20.88 C Lifted Index: 22.48 C Risk: None Lifted Index @300 mb: 35.28 C Lifted Index @700 mb: 13.54 C Showalter Index: 18.21 C Risk: None Total Totals Index: 22.80 C Risk: None Vertical Totals Index: 16.40 C Cross Totals Index: 6.40 C K Index: -28.10 Risk: None Sweat Index: 104.00 Risk: None Energy Index: 4.71 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.87 J/kg Max Up Vert Vel: 5.45 m/s Conv Inhibition (B-): 79137.18 J/kg Cap Strength: 22.33 C Lift Cond Lev (LCL): 853.18 mb = 1403.68 m = 4605.20 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 349 at 31 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 1018 99 250 3 2.8 1.0 | 174 31 -3.3 31.3 1 1000 232 250 11 10.3 3.8 | 187 34 4.2 34.1 2 925 811 295 25 22.7 -10.6 | 220 26 16.5 19.7 3 850 1431 315 21 14.8 -14.8 | 209 18 8.7 15.4 4 700 2838 315 38 26.9 -26.9 | 261 21 20.7 3.4 5 500 5190 325 62 35.6 -50.8 | 305 36 29.4 -20.5 6 400 6690 325 77 44.2 -63.1 | 311 50 38.0 -32.8 7 309 8362 310 79 60.5 -50.8 | 291 58 54.4 -20.5 8 300 8550 310 79 60.5 -50.8 | 291 58 54.4 -20.5 9 294 8678 315 81 57.3 -57.3 | 298 58 51.1 -27.0 10 250 9710 305 66 54.1 -37.9 | 279 49 47.9 -7.6 11 200 11140 290 77 72.4 -26.3 | 267 66 66.2 4.0 12 150 13000 290 68 63.9 -23.3 | 263 58 57.8 7.0 13 100 15640 275 60 59.8 -5.2 | 245 59 53.6 25.1 14 70 18000 250 58 54.5 19.8 | 224 70 48.4 50.1 15 50 20240 240 60 52.0 30.0 | 217 76 45.8 60.3 16 30 23610 245 27 24.5 11.4 | 204 46 18.3 41.7 17 20 26220 245 11 10.0 4.6 | 186 35 3.8 34.9 Wind Parameters Mean winds (0-6000m): 318.6 at 41.2 knts Storm direction: 348.6 at 30.9 knts Shear (0-3000m) pos: 4.7 neg: 2.1 tot: 6.8 10-3/s Storm rel Dir Shear (0-3000m): 93.5 deg Storm rel helicity (0-3000m) pos: 297.9 neg: -17.4 tot: 280.5 m^2/s^2 ave: 93.5 10^-3 m/s^2 rel: 0.72 Storm rel vorticity (0-3000m) horiz: 9.6 stream: 6.9 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.09 Bulk Shear: 160.69 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 ------------------------------------------------------------------------------- 500 266 13 193 32| 17.8 0.0 17.8|159.9 0.0 159.9 319.9 0.94| 20.2 19.0 1000 287 18 204 27| 11.1 0.0 11.1|207.8 -5.7 202.1 202.1 0.75| 16.4 12.3 1500 296 20 208 25| 7.5 0.0 7.5|215.7 -17.4 198.3 132.2 0.61| 13.1 8.0 2000 302 21 212 22| 5.6 1.6 7.2|243.0 -17.4 225.6 112.8 0.67| 11.4 7.6 2500 306 23 218 21| 4.5 2.5 7.0|270.3 -17.4 252.9 101.2 0.70| 10.3 7.2 3000 308 26 224 20| 4.7 2.1 6.8|297.9 -17.4 280.5 93.5 0.72| 9.6 6.9 4000 312 31 240 19| 4.9 1.6 6.4|357.4 -17.4 340.0 85.0 0.74| 8.6 6.3 5000 316 36 257 19| 5.0 1.2 6.2|425.2 -17.4 407.8 81.6 0.74| 8.0 5.9 6000 319 41 272 21| 4.6 1.5 6.1|461.6 -17.4 444.2 74.0 0.69| 7.5 5.2 Wrote GIF file: /home/apache/climate/data/raob//X1873/skewt/X1873.skewt.20251212.00.gif