UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042200.upa.cvt Date: 0000Z 22 APR 25 Searching for X1977... Searching the city database file for: X1977 ... Date:0000Z 22 APR 25 Station: X1977 WMO ident: 31977 Latitude: 43.27 Longitude: 132.05 ------------------------------------------------------------------------------- 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 1002 90 9.4 1.4 57 8.0 5.6 135 9 282.4 283.1 278.7 294.2 4.22 1 1000 107 9.0 1.0 57 8.0 5.3 135 9 282.1 282.9 278.4 293.7 4.11 2 953 503 5.8 -1.2 61 7.0 2.7 160 29 282.8 283.4 278.2 293.2 3.67 3 947 555 7.2 0.2 61 7.0 4.0 163 32 284.8 285.5 279.7 296.3 4.09 4 925 748 6.8 -2.2 53 9.0 2.8 175 42 286.3 286.9 279.7 296.3 3.51 5 881 1147 5.8 -2.2 56 8.0 2.2 192 44 289.2 289.9 281.3 299.9 3.69 6 850 1439 3.8 -6.2 48 10.0 -0.2 205 46 290.1 290.6 280.7 298.4 2.83 7 810 1828 0.8 -10.2 44 11.0 -3.2 209 42 291.0 291.4 280.2 297.5 2.17 8 777 2161 -1.7 -10.7 50 9.0 -4.9 212 39 291.8 292.1 280.6 298.3 2.17 9 745 2496 -1.3 -9.3 54 8.0 -4.3 215 36 295.7 296.2 282.7 303.4 2.53 10 738 2571 0.0 -6.0 64 6.0 -2.5 216 35 297.9 298.5 284.5 307.9 3.31 11 700 2993 -1.9 -4.6 82 2.7 -3.1 220 31 300.4 301.1 286.1 312.1 3.88 12 690 3107 -2.5 -5.0 83 2.5 -3.6 221 33 301.0 301.7 286.2 312.6 3.82 13 646 3627 -5.7 -8.5 81 2.8 -6.8 224 40 303.1 303.6 286.3 312.7 3.11 14 641 3689 -4.9 -7.8 80 2.9 -6.1 224 41 304.6 305.2 287.1 314.9 3.31 15 635 3762 -5.7 -8.4 81 2.7 -6.8 224 42 304.5 305.1 286.9 314.5 3.19 16 630 3824 -5.7 -8.4 81 2.7 -6.8 225 43 305.2 305.8 287.2 315.2 3.22 17 585 4402 -8.9 -12.7 74 3.8 -10.2 228 51 308.0 308.5 287.4 315.9 2.46 18 568 4630 -11.9 -16.1 71 4.2 -13.2 229 54 307.1 307.5 286.5 313.3 1.92 19 530 5159 -13.3 -19.3 61 6.0 -15.0 232 62 311.6 311.9 287.7 316.7 1.57 20 523 5260 -14.3 -21.3 55 7.0 -16.2 233 63 311.6 311.8 287.4 316.0 1.33 21 500 5600 -16.3 -23.3 55 7.0 -18.0 235 68 313.2 313.4 287.8 317.1 1.17 22 486 5813 -17.9 -23.9 59 6.0 -19.3 236 67 313.8 314.0 287.9 317.6 1.14 23 475 5983 -18.1 -24.1 59 6.0 -19.6 237 67 315.6 315.8 288.6 319.5 1.15 24 466 6127 -16.1 -22.1 60 6.0 -17.7 238 66 319.8 320.1 290.2 324.6 1.40 25 400 7260 -22.5 -27.5 64 5.0 -23.6 245 62 325.7 325.9 291.5 329.3 1.00 26 362 7985 -26.5 -31.5 63 5.0 -27.4 245 63 329.8 330.0 292.4 332.6 0.76 27 300 9310 -37.3 -43.3 54 6.0 -37.8 245 66 332.8 332.9 292.7 333.9 0.28 28 274 9929 -41.9 -47.9 52 6.0 -42.3 245 71 334.9 334.9 293.2 335.6 0.18 29 253 10461 -47.5 -53.5 50 6.0 -47.7 245 76 334.3 334.3 293.0 334.7 0.10 30 250 10540 -47.9 -53.9 50 6.0 -48.1 245 77 334.9 334.9 293.1 335.3 0.10 31 235 10947 -49.5 -55.5 49 6.0 -49.7 246 83 338.4 338.4 294.0 338.8 0.09 32 229 11116 -52.9 -58.9 48 6.0 -53.1 247 86 335.7 335.8 293.3 336.0 0.06 33 200 11980 -58.3 -64.3 46 6.0 -58.4 250 99 340.4 340.4 294.4 340.6 0.03 34 199 12011 -58.7 -64.7 46 6.0 -58.8 250 99 340.3 340.3 294.4 340.4 0.03 35 197 12075 -58.3 -64.3 46 6.0 -58.4 245 101 341.9 341.9 294.8 342.0 0.03 36 189 12336 -56.7 -62.7 47 6.0 -56.8 247 97 348.6 348.6 296.4 348.8 0.04 37 150 13800 -56.1 -62.1 47 6.0 -56.3 260 75 373.4 373.4 301.2 373.7 0.06 38 128 14807 -56.7 -62.7 47 6.0 -56.9 264 72 389.7 389.7 303.8 390.0 0.06 39 105 16054 -59.5 -65.5 46 6.0 -59.7 269 69 407.0 407.1 306.2 407.3 0.05 40 100 16360 -58.7 -64.7 46 6.0 -58.9 270 68 414.3 414.3 307.1 414.6 0.06 41 71 18494 -59.3 -66.3 40 7.0 -59.6 275 41 455.7 455.7 311.4 456.1 0.07 42 62 19324 -66.5 -73.5 37 7.0 -66.7 270 35 457.7 457.7 311.6 457.9 0.03 43 50 20640 -60.1 -68.1 34 8.0 -60.5 260 27 501.9 501.9 315.1 502.4 0.08 44 46 21162 -59.1 -67.1 35 8.0 -59.6 259 25 516.4 516.4 316.1 517.0 0.10 45 38 22353 -61.3 -69.3 34 8.0 -61.7 257 20 539.8 539.8 317.5 540.4 0.09 46 36 22691 -58.9 -66.9 35 8.0 -59.5 256 19 554.4 554.4 318.4 555.3 0.13 47 30 23840 -57.1 -65.1 36 8.0 -57.9 254 15 589.0 589.0 320.2 590.5 0.20 48 20 26400 -56.9 -65.9 31 9.0 -58.2 250 5 662.0 662.1 323.2 664.2 0.27 49 16 27811 -57.7 -66.7 31 9.0 -59.1 703.0 703.2 324.6 705.7 0.30 50 11 30195 -54.1 -64.1 28 10.0 -56.7 795.6 795.9 327.3 801.9 0.63 TRP 199 12011 -58.7 -64.7 46 6.0 -58.8 250 99 340.3 340.3 294.4 340.4 0.03 WND 197 12075 -58.3 -64.3 46 6.0 -58.4 245 101 341.9 341.9 294.8 342.0 0.03 Sounding variables and indices 1000-500 mb thick: 5493.00 m Freezing level: 799.44 mb = 1934.69 m = 6347.33 ft Freezing level: 738.00 mb = 2571.17 m = 8435.48 ft Freezing level: 738.00 mb = 2571.17 m = 8435.48 ft Wetbulb zero: 852.70 mb = 1413.13 m = 4636.21 ft Precipitable water: 0.68 inches Sfc-500 mean rel hum: 63.65 % Est. max temperature: 17.08 C = 62.75 F Sfc-Lift cond lev (LCL): 886.87 mb = 1092.75 m = 3585.10 ft T: 5.94 C 700-500 lapse rate: 5.52 C/km ThetaE index: 2.48 C Layer 850.0- 777.0 mb Conv cond level (CCL): 617.70 mb = 3978.25 m = 13051.84 ft Mean mixing ratio: 3.80 g/kg Conv temperature: 33.01 C = 91.41 F Cap Strength: 15.57 C Lifted Index: 16.17 C Risk: None Lifted Index @300 mb: 26.78 C Lifted Index @700 mb: 10.44 C Showalter Index: 13.74 C Risk: None Total Totals Index: 30.20 C Risk: None Vertical Totals Index: 20.10 C Cross Totals Index: 10.10 C K Index: 11.20 Risk: None Sweat Index: 247.50 Risk: None Energy Index: 3.89 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 27.44 J/kg Max Up Vert Vel: 7.41 m/s Conv Inhibition (B-): 65345.21 J/kg Cap Strength: 16.11 C Lift Cond Lev (LCL): 842.23 mb = 1513.13 m = 4964.26 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 249 at 34 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 1002 90 135 9 -6.4 6.4 | 82 38 -37.9 -5.5 1 1000 107 135 9 -6.4 6.4 | 82 38 -37.9 -5.5 2 925 748 175 42 -3.7 41.8 | 130 46 -35.2 30.0 3 850 1439 205 46 19.4 41.7 | 158 32 -12.1 29.9 4 700 2993 220 31 19.9 23.7 | 136 17 -11.6 11.9 5 500 5600 235 68 55.7 39.0 | 222 36 24.2 27.2 6 400 7260 245 62 56.2 26.2 | 240 29 24.7 14.4 7 300 9310 245 66 59.8 27.9 | 240 33 28.3 16.1 8 250 10540 245 77 69.8 32.5 | 242 44 38.3 20.7 9 200 11980 250 99 93.0 33.9 | 250 65 61.5 22.0 10 199 12011 250 99 93.0 33.9 | 250 65 61.5 22.0 11 197 12075 245 101 91.5 42.7 | 243 67 60.0 30.8 12 150 13800 260 75 73.9 13.0 | 268 42 42.3 1.2 13 100 16360 270 68 68.0 -0.0 | 288 38 36.5 -11.8 14 70 18590 275 40 39.8 -3.5 | 331 17 8.3 -15.3 15 50 20640 260 27 26.6 4.7 | 35 9 -4.9 -7.1 16 20 26400 250 5 4.7 1.7 | 69 29 -26.8 -10.1 Wind Parameters Mean winds (0-6000m): 219.4 at 44.9 knts Storm direction: 249.4 at 33.7 knts Shear (0-3000m) pos: 5.6 neg: 0.0 tot: 5.6 10-3/s Storm rel Dir Shear (0-3000m): 58.9 deg Storm rel helicity (0-3000m) pos: 621.3 neg: -46.3 tot: 575.0 m^2/s^2 ave: 191.7 10^-3 m/s^2 rel: 0.61 Storm rel vorticity (0-3000m) horiz: 13.8 stream: 8.4 10^-3/s Energy-Hel index: 0.11 Bulk Rich Number: 0.14 Bulk Shear: 203.26 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 ------------------------------------------------------------------------------- 500 159 21 101 40| 27.3 0.0 27.3|297.4 0.0 297.4 594.8 0.96| 28.3 27.2 1000 175 31 119 39| 20.3 0.0 20.3|525.9 0.0 525.9 525.9 0.94| 25.2 23.6 1500 186 36 130 37| 14.6 0.0 14.6|615.2 -1.8 613.4 408.9 0.88| 21.5 18.9 2000 192 37 136 34| 9.9 0.0 9.9|615.2 -14.1 601.1 300.5 0.78| 17.7 13.7 2500 197 37 139 32| 7.1 0.0 7.1|615.2 -30.9 584.3 233.7 0.68| 15.3 10.4 3000 200 37 140 30| 5.6 0.0 5.6|621.3 -46.3 575.0 191.7 0.61| 13.8 8.4 4000 206 37 145 26| 6.1 0.0 6.1|686.7 -46.3 640.4 160.1 0.66| 12.2 8.1 5000 213 41 157 24| 6.4 0.0 6.4|762.3 -46.3 716.0 143.2 0.67| 11.3 7.6 6000 219 45 172 23| 5.9 0.0 5.9|835.8 -46.3 789.4 131.6 0.68| 10.4 7.1 Wrote GIF file: /home/apache/climate/data/raob//X1977/skewt/X1977.skewt.20250422.00.gif