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 X1977... Searching the city database file for: X1977 ... Date:1200Z 21 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 1004 90 9.4 2.4 62 7.0 6.1 160 3 282.2 283.0 279.0 294.9 4.53 1 1000 123 9.4 2.4 62 7.0 6.1 160 5 282.5 283.3 279.2 295.2 4.54 2 975 333 8.2 1.2 61 7.0 4.9 173 16 283.4 284.1 279.3 295.4 4.28 3 945 592 9.4 -1.6 46 11.0 4.4 189 29 287.2 287.8 280.2 297.5 3.59 4 937 662 11.2 -2.8 37 14.0 4.9 193 33 289.7 290.3 281.0 299.4 3.32 5 925 770 11.0 -5.0 32 16.0 4.1 200 38 290.6 291.1 280.8 298.9 2.84 6 901 989 11.0 -11.0 20 22.0 2.5 198 40 292.7 293.1 280.6 298.3 1.83 7 896 1035 11.2 -8.8 24 20.0 3.1 198 41 293.4 293.8 281.3 300.0 2.19 8 850 1472 8.6 -7.4 31 16.0 2.0 195 46 295.2 295.6 282.5 302.9 2.58 9 744 2557 1.2 -17.8 23 19.0 -4.8 198 49 298.6 298.8 282.4 302.6 1.27 10 719 2832 1.8 -22.2 15 24.0 -5.3 199 49 302.2 302.3 283.4 305.1 0.90 11 700 3048 1.2 -28.8 9 30.0 -6.4 200 50 303.8 303.9 283.6 305.5 0.51 12 693 3129 1.0 -30.0 8 31.0 -6.7 202 50 304.5 304.6 283.8 306.0 0.46 13 669 3411 0.4 -25.6 12 26.0 -6.8 209 50 306.9 307.0 285.0 309.3 0.71 14 521 5367 -11.5 -13.9 82 2.4 -12.3 261 52 315.3 315.8 289.8 323.5 2.51 15 500 5680 -14.1 -17.2 77 3.1 -15.1 270 52 315.8 316.2 289.5 322.4 1.98 16 498 5711 -14.5 -18.6 71 4.1 -15.7 270 52 315.7 316.1 289.2 321.6 1.77 17 486 5896 -13.5 -18.5 66 5.0 -15.0 271 54 319.2 319.5 290.3 325.3 1.83 18 473 6103 -15.7 -20.6 66 4.9 -17.1 271 56 318.9 319.2 290.0 324.2 1.57 19 452 6446 -15.7 -26.7 38 11.0 -18.4 272 59 323.1 323.3 290.7 326.4 0.95 20 406 7250 -21.3 -43.3 12 22.0 -24.2 275 67 325.9 326.0 290.7 326.7 0.20 21 400 7360 -21.9 -43.9 12 22.0 -24.8 275 68 326.5 326.6 290.9 327.3 0.19 22 382 7696 -24.5 -44.5 14 20.0 -26.9 276 67 327.4 327.5 291.2 328.2 0.19 23 300 9400 -38.5 -48.5 34 10.0 -39.2 280 60 331.1 331.1 292.2 331.7 0.16 24 276 9963 -43.5 -52.5 36 9.0 -43.9 280 64 331.9 331.9 292.3 332.3 0.11 25 250 10620 -46.7 -54.7 40 8.0 -47.0 280 69 336.6 336.7 293.6 337.0 0.09 26 228 11225 -52.5 -59.5 43 7.0 -52.7 282 72 336.8 336.8 293.6 337.0 0.06 27 218 11514 -55.5 -62.5 41 7.0 -55.6 283 74 336.5 336.5 293.5 336.6 0.04 28 200 12060 -59.5 -66.5 40 7.0 -59.6 285 77 338.5 338.5 294.0 338.6 0.02 29 195 12218 -60.5 -67.5 39 7.0 -60.6 285 77 339.4 339.4 294.2 339.5 0.02 30 187 12477 -63.7 -69.7 44 6.0 -63.8 285 77 338.3 338.3 293.9 338.4 0.02 31 175 12882 -66.3 -73.3 37 7.0 -66.4 285 77 340.5 340.5 294.4 340.6 0.01 32 168 13130 -64.1 -71.1 38 7.0 -64.2 287 78 348.2 348.2 296.3 348.3 0.02 33 161 13392 -62.9 -69.9 38 7.0 -63.0 290 79 354.5 354.5 297.6 354.6 0.02 34 150 13830 -60.9 -67.9 39 7.0 -61.0 290 75 365.2 365.2 299.7 365.3 0.03 35 138 14352 -57.9 -64.9 40 7.0 -58.0 291 72 379.3 379.3 302.2 379.5 0.04 36 111 15714 -61.5 -68.5 39 7.0 -61.6 294 62 396.9 396.9 304.8 397.0 0.03 37 100 16360 -62.3 -69.3 39 7.0 -62.4 295 58 407.4 407.4 306.2 407.5 0.03 38 94 16742 -63.1 -71.1 33 8.0 -63.3 294 55 413.1 413.1 306.9 413.2 0.03 39 86 17292 -61.5 -69.5 34 8.0 -61.7 293 51 426.9 426.9 308.5 427.1 0.04 40 80 17737 -64.7 -72.7 32 8.0 -64.8 292 48 429.3 429.3 308.8 429.4 0.03 41 70 18560 -61.1 -70.1 29 9.0 -61.4 290 42 453.7 453.7 311.2 453.9 0.04 42 65 19016 -64.5 -73.5 28 9.0 -64.7 289 37 456.0 456.0 311.4 456.1 0.03 43 57 19821 -62.5 -71.5 29 9.0 -62.8 287 28 477.9 478.0 313.3 478.2 0.04 44 55 20043 -59.1 -69.1 26 10.0 -59.5 286 26 490.6 490.7 314.3 491.0 0.06 45 50 20640 -58.7 -68.7 26 10.0 -59.2 285 19 505.2 505.2 315.4 505.6 0.07 46 47 21031 -57.7 -67.7 27 10.0 -58.3 285 18 516.6 516.6 316.1 517.1 0.09 47 42 21737 -60.9 -70.9 26 10.0 -61.4 285 17 525.5 525.6 316.6 525.9 0.06 48 40 22043 -58.1 -69.1 23 11.0 -58.8 285 16 539.9 540.0 317.5 540.5 0.09 49 30 23860 -57.7 -69.7 20 12.0 -58.6 285 13 587.3 587.4 320.0 588.1 0.11 50 24 25265 -58.5 -70.5 20 12.0 -59.6 302 12 623.7 623.8 321.7 624.6 0.12 51 20 26420 -55.1 -69.1 16 14.0 -56.9 315 11 667.5 667.6 323.4 669.0 0.17 52 14 28725 -49.9 -64.9 16 15.0 -53.7 756.8 757.0 326.3 761.0 0.44 TRP 175 12882 -66.3 -73.3 37 7.0 -66.4 285 77 340.5 340.5 294.4 340.6 0.01 WND 161 13392 -62.9 -69.9 38 7.0 -63.0 290 79 354.5 354.5 297.6 354.6 0.02 Sounding variables and indices 1000-500 mb thick: 5557.00 m Freezing level: 664.03 mb = 3476.43 m = 11405.46 ft Wetbulb zero: 819.40 mb = 1770.71 m = 5809.35 ft Precipitable water: 0.47 inches Sfc-500 mean rel hum: 38.21 % Est. max temperature: 22.19 C = 71.94 F Sfc-Lift cond lev (LCL): 902.36 mb = 976.19 m = 3202.68 ft T: 11.00 C 700-500 lapse rate: 5.81 C/km ThetaE index: 1.06 C Layer 925.0- 896.0 mb Conv cond level (CCL): 552.51 mb = 4907.42 m = 16100.25 ft Mean mixing ratio: 3.59 g/kg Conv temperature: 40.56 C = 105.00 F Cap Strength: 16.96 C Lifted Index: 16.88 C Risk: None Lifted Index @300 mb: 24.18 C Lifted Index @700 mb: 12.31 C Showalter Index: 12.83 C Risk: None Total Totals Index: 29.40 C Risk: None Vertical Totals Index: 22.70 C Cross Totals Index: 6.70 C K Index: -14.70 Risk: None Sweat Index: 289.74 Risk: None Energy Index: 4.02 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 46.95 J/kg Max Up Vert Vel: 9.69 m/s Conv Inhibition (B-): 49723.92 J/kg Cap Strength: 16.93 C Lift Cond Lev (LCL): 802.19 mb = 1943.70 m = 6376.88 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 251 at 35 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 90 160 3 -1.0 2.8 | 76 35 -33.6 -8.7 1 1000 123 160 5 -1.7 4.7 | 79 35 -34.3 -6.8 2 925 770 200 38 13.0 35.7 | 141 31 -19.6 24.2 3 850 1472 195 46 11.9 44.4 | 148 39 -20.7 33.0 4 700 3048 200 50 17.1 47.0 | 156 39 -15.5 35.5 5 500 5680 270 52 52.0 -0.0 | 301 23 19.4 -11.5 6 400 7360 275 68 67.7 -5.9 | 296 39 35.1 -17.4 7 300 9400 280 60 59.1 -10.4 | 310 34 26.5 -21.9 8 250 10620 280 69 68.0 -12.0 | 304 42 35.4 -23.5 9 200 12060 285 77 74.4 -19.9 | 307 52 41.8 -31.4 10 175 12882 285 77 74.4 -19.9 | 307 52 41.8 -31.4 11 161 13392 290 79 74.2 -27.0 | 313 57 41.6 -38.5 12 150 13830 290 75 70.5 -25.7 | 314 53 37.9 -37.1 13 100 16360 295 58 52.6 -24.5 | 331 41 20.0 -36.0 14 70 18560 290 42 39.5 -14.4 | 345 27 6.9 -25.8 15 50 20640 285 19 18.4 -4.9 | 41 22 -14.2 -16.4 16 30 23860 285 13 12.6 -3.4 | 53 25 -20.0 -14.8 17 20 26420 315 11 7.8 -7.8 | 52 31 -24.8 -19.3 Wind Parameters Mean winds (0-6000m): 220.6 at 46.1 knts Storm direction: 250.6 at 34.6 knts Shear (0-3000m) pos: 7.5 neg: 0.9 tot: 8.3 10-3/s Storm rel Dir Shear (0-3000m): 82.0 deg Storm rel helicity (0-3000m) pos: 446.1 neg: 0.0 tot: 446.1 m^2/s^2 ave: 148.7 10^-3 m/s^2 rel: 0.91 Storm rel vorticity (0-3000m) horiz: 9.3 stream: 8.4 10^-3/s Energy-Hel index: 0.12 Bulk Rich Number: 0.30 Bulk Shear: 157.25 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 ------------------------------------------------------------------------------- 500 184 16 98 32| 27.0 0.0 27.0|247.6 0.0 247.6 495.2 0.99| 28.3 28.1 1000 197 27 120 29| 20.2 0.0 20.2|360.0 0.0 360.0 360.0 0.95| 21.9 20.9 1500 196 33 130 31| 13.5 1.7 15.2|383.6 0.0 383.6 255.8 0.90| 16.4 14.8 2000 196 36 136 32| 10.5 1.3 11.7|402.3 0.0 402.3 201.2 0.90| 12.8 11.5 2500 197 39 140 33| 8.7 1.0 9.7|421.2 0.0 421.2 168.5 0.91| 10.6 9.6 3000 197 40 143 34| 7.5 0.9 8.3|446.1 0.0 446.1 148.7 0.91| 9.3 8.4 4000 202 43 150 33| 6.1 0.6 6.7|591.0 0.0 591.0 147.8 0.87| 10.0 8.6 5000 211 45 160 29| 5.3 0.5 5.8|701.4 0.0 701.4 140.3 0.88| 10.4 9.2 6000 221 46 174 24| 5.0 0.4 5.4|768.1 -5.5 762.6 127.1 0.85| 10.2 8.7 Wrote GIF file: /home/apache/climate/data/raob//X1977/skewt/X1977.skewt.20250421.12.gif