UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042112.upa.cvt Date: 1200Z 21 APR 25 Searching for X1873... Searching the city database file for: X1873 ... Date:1200Z 21 APR 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 1000 104 14.0 2.0 44 12.0 8.0 70 3 287.1 287.9 281.2 299.7 4.42 1 993 163 16.2 3.2 42 13.0 9.5 79 4 289.9 290.8 283.0 303.9 4.85 2 956 483 16.4 0.4 34 16.0 8.4 128 10 293.3 294.0 283.5 305.4 4.11 3 925 760 14.6 -0.4 36 15.0 7.2 170 15 294.2 295.0 283.8 306.1 4.01 4 874 1235 10.2 -3.8 37 14.0 3.9 193 22 294.5 295.1 283.1 304.3 3.30 5 850 1466 8.0 -4.0 42 12.0 2.7 205 25 294.5 295.1 283.2 304.5 3.34 6 754 2438 -1.1 -7.1 64 6.0 -3.5 217 25 294.9 295.5 282.9 303.8 2.97 7 705 2972 -3.9 -7.4 77 3.5 -5.3 224 25 297.6 298.1 284.2 306.9 3.11 8 700 3028 -4.3 -7.9 76 3.6 -5.7 225 25 297.7 298.3 284.1 306.8 3.01 9 629 3862 -9.5 -13.7 71 4.2 -10.9 239 27 301.0 301.4 284.4 307.6 2.11 10 570 4614 -15.1 -19.1 71 4.0 -16.2 252 29 303.1 303.3 284.5 307.8 1.48 11 547 4925 -15.3 -19.1 73 3.8 -16.3 258 29 306.4 306.7 285.8 311.4 1.54 12 538 5050 -16.7 -20.1 75 3.4 -17.6 260 30 306.2 306.5 285.6 310.9 1.44 13 535 5092 -14.9 -18.5 74 3.6 -15.9 261 30 308.8 309.2 286.8 314.2 1.66 14 501 5585 -18.9 -22.5 73 3.6 -19.8 270 31 309.8 310.1 286.7 314.0 1.25 15 500 5600 -18.9 -22.5 73 3.6 -19.8 270 31 310.0 310.2 286.8 314.2 1.26 16 485 5827 -18.5 -22.1 73 3.6 -19.4 270 34 313.2 313.5 288.0 317.7 1.34 17 442 6516 -21.9 -25.3 74 3.4 -22.7 270 45 317.3 317.5 289.1 321.1 1.11 18 422 6857 -21.9 -25.1 75 3.2 -22.7 270 50 321.6 321.8 290.5 325.7 1.18 19 400 7250 -24.1 -27.5 73 3.4 -24.8 270 56 323.7 323.9 290.9 327.2 1.00 20 343 8356 -31.5 -35.4 68 3.9 -32.0 275 68 328.2 328.3 291.7 330.2 0.55 21 300 9290 -39.3 -43.5 64 4.2 -39.6 280 79 330.0 330.0 292.0 331.0 0.27 22 250 10510 -48.7 -53.0 61 4.3 -48.9 280 77 333.7 333.7 292.8 334.1 0.11 23 235 10912 -53.5 -57.8 59 4.3 -53.6 280 82 332.4 332.4 292.4 332.6 0.07 24 200 11930 -60.7 -65.0 57 4.3 -60.8 280 95 336.6 336.6 293.5 336.7 0.03 25 188 12312 -63.5 -67.8 56 4.3 -63.6 285 93 338.1 338.1 293.9 338.2 0.02 26 184 12444 -61.9 -66.2 56 4.3 -62.0 285 91 342.8 342.8 295.0 342.9 0.03 27 160 13315 -58.3 -62.8 56 4.5 -58.4 289 76 362.9 362.9 299.3 363.1 0.05 28 150 13720 -58.5 -63.1 55 4.6 -58.6 290 69 369.3 369.3 300.5 369.5 0.05 29 129 14660 -61.5 -66.5 51 5.0 -61.6 288 61 380.2 380.2 302.3 380.4 0.04 30 100 16250 -58.1 -64.1 46 6.0 -58.3 285 48 415.5 415.5 307.2 415.8 0.07 31 97 16443 -57.5 -63.5 46 6.0 -57.7 285 47 420.3 420.3 307.8 420.7 0.08 32 84 17347 -60.9 -67.9 39 7.0 -61.1 287 42 431.0 431.0 309.0 431.3 0.05 33 78 17809 -60.9 -67.9 39 7.0 -61.1 288 40 440.3 440.3 309.9 440.5 0.05 34 70 18490 -56.7 -63.7 41 7.0 -57.1 290 36 463.1 463.1 312.1 463.7 0.10 35 58 19673 -59.3 -67.3 35 8.0 -59.7 254 21 482.8 482.8 313.7 483.3 0.08 36 54 20123 -56.7 -64.7 36 8.0 -57.2 240 15 498.8 498.8 314.9 499.5 0.12 37 50 20610 -57.3 -65.3 36 8.0 -57.8 225 9 508.4 508.5 315.6 509.2 0.12 38 47 21000 -58.7 -66.7 35 8.0 -59.2 232 9 514.2 514.2 315.9 514.8 0.10 39 39 22181 -55.9 -64.9 32 9.0 -56.7 254 7 549.4 549.5 318.1 550.5 0.16 40 32 23432 -58.9 -68.9 26 10.0 -59.6 277 6 573.4 573.4 319.4 574.2 0.11 41 30 23840 -56.1 -66.1 27 10.0 -57.1 285 5 591.7 591.8 320.3 593.0 0.18 42 28 24281 -54.1 -64.1 28 10.0 -55.4 295 5 609.1 609.1 321.1 610.9 0.25 43 25 25006 -56.5 -67.5 24 11.0 -57.7 312 5 622.2 622.3 321.6 623.6 0.17 44 20 26430 -54.5 -65.5 25 11.0 -56.2 345 5 669.4 669.5 323.5 671.7 0.29 45 17 27472 -53.9 -65.9 22 12.0 -56.1 703.1 703.3 324.6 705.9 0.32 TRP 188 12312 -63.5 -67.8 56 4.3 -63.6 285 93 338.1 338.1 293.9 338.2 0.02 WND 200 11930 -60.7 -65.0 57 4.3 -60.8 280 95 336.6 336.6 293.5 336.7 0.03 Sounding variables and indices 1000-500 mb thick: 5496.41 m Freezing level: 765.60 mb = 2320.86 m = 7614.29 ft Wetbulb zero: 808.55 mb = 1871.66 m = 6140.54 ft Precipitable water: 0.66 inches Sfc-500 mean rel hum: 60.83 % Est. max temperature: 21.38 C = 70.48 F Sfc-Lift cond lev (LCL): 834.02 mb = 1620.03 m = 5315.01 ft T: 6.56 C 700-500 lapse rate: 5.68 C/km ThetaE index: 1.78 C Layer 874.0- 850.0 mb Conv cond level (CCL): 714.95 mb = 2860.54 m = 9384.87 ft Mean mixing ratio: 4.19 g/kg Conv temperature: 23.86 C = 74.95 F Cap Strength: 6.58 C Lifted Index: 6.63 C Risk: None Lifted Index @300 mb: 17.81 C Lifted Index @700 mb: 2.36 C Showalter Index: 6.98 C Risk: None Total Totals Index: 41.80 C Risk: None Vertical Totals Index: 26.90 C Cross Totals Index: 14.90 C K Index: 19.30 Risk: < 20 % chance of thunderstorms Sweat Index: 219.29 Risk: None Energy Index: 1.94 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 21.15 J/kg Max Up Vert Vel: 6.50 m/s Conv Inhibition (B-): 49179.52 J/kg Cap Strength: 6.58 C Lift Cond Lev (LCL): 759.57 mb = 2378.71 m = 7804.07 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 266 at 19 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 1000 104 70 3 -2.8 -1.0 | 84 22 -21.5 -2.4 1 925 760 170 15 -2.6 14.8 | 122 25 -21.3 13.4 2 850 1466 205 25 10.6 22.7 | 159 23 -8.1 21.3 3 700 3028 225 25 17.7 17.7 | 177 16 -1.0 16.3 4 500 5600 270 31 31.0 -0.0 | 276 12 12.3 -1.4 5 400 7250 270 56 56.0 -0.0 | 272 37 37.3 -1.4 6 300 9290 280 79 77.8 -13.7 | 284 61 59.1 -15.1 7 250 10510 280 77 75.8 -13.4 | 284 59 57.2 -14.7 8 200 11930 280 95 93.6 -16.5 | 283 77 74.9 -17.9 9 188 12312 285 93 89.8 -24.1 | 290 76 71.2 -25.4 10 150 13720 290 69 64.8 -23.6 | 298 53 46.2 -25.0 11 100 16250 285 48 46.4 -12.4 | 296 31 27.7 -13.8 12 70 18490 290 36 33.8 -12.3 | 312 20 15.2 -13.7 13 50 20610 225 9 6.4 6.4 | 112 13 -12.3 5.0 14 30 23840 285 5 4.8 -1.3 | 79 14 -13.8 -2.7 15 20 26430 345 5 1.3 -4.8 | 70 18 -17.4 -6.2 Wind Parameters Mean winds (0-6000m): 235.8 at 24.9 knts Storm direction: 265.8 at 18.7 knts Shear (0-3000m) pos: 4.8 neg: 0.0 tot: 4.8 10-3/s Storm rel Dir Shear (0-3000m): 94.8 deg Storm rel helicity (0-3000m) pos: 252.8 neg: 0.0 tot: 252.8 m^2/s^2 ave: 84.3 10^-3 m/s^2 rel: 0.88 Storm rel vorticity (0-3000m) horiz: 7.7 stream: 6.8 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.27 Bulk Shear: 79.50 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 ------------------------------------------------------------------------------- 500 158 8 105 22| 12.1 0.0 12.1| 78.2 0.0 78.2 156.5 0.83| 14.1 11.8 1000 170 12 117 23| 11.0 0.0 11.0|166.7 0.0 166.7 166.7 0.91| 14.0 12.6 1500 187 16 130 22| 9.3 0.0 9.3|223.2 0.0 223.2 148.8 0.92| 12.5 11.5 2000 195 18 139 21| 7.1 0.0 7.1|233.9 0.0 233.9 117.0 0.90| 10.1 9.1 2500 201 19 145 20| 5.7 0.0 5.7|243.4 0.0 243.4 97.4 0.89| 8.7 7.7 3000 206 20 150 20| 4.8 0.0 4.8|252.8 0.0 252.8 84.3 0.88| 7.7 6.8 4000 215 22 160 18| 3.9 0.0 3.9|280.6 0.0 280.6 70.2 0.88| 6.9 6.0 5000 225 23 172 15| 3.4 0.0 3.4|307.7 0.0 307.7 61.5 0.89| 6.4 5.8 6000 236 25 189 13| 2.9 0.6 3.6|322.0 -2.8 319.2 53.2 0.80| 6.4 5.1 Wrote GIF file: /home/apache/climate/data/raob//X1873/skewt/X1873.skewt.20250421.12.gif