UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026010512.upa.cvt Date: 1200Z 5 JAN 26 Searching for DRRN... Searching the city database file for: DRRN ... Date:1200Z 5 JAN 26 Station: DRRN WMO ident: 61052 Latitude: 13.48 Longitude: 2.17 Elevation: 227.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 127 SFC 989 227 33.6 -1.4 11 35.0 14.7 110 29 307.7 308.4 288.3 318.6 3.48 2 977 336 31.0 4.0 18 27.0 15.3 110 17 306.2 307.2 289.4 322.2 5.22 3 933 744 27.2 2.2 20 25.0 13.1 116 19 306.4 307.3 289.1 321.1 4.80 4 925 820 26.4 1.4 20 25.0 12.6 120 19 306.3 307.2 288.9 320.4 4.57 5 924 830 26.6 1.6 20 25.0 12.7 119 19 306.6 307.5 289.0 320.9 4.65 6 915 916 27.0 1.0 18 26.0 12.6 110 21 307.9 308.7 289.3 321.8 4.49 7 898 1081 25.6 -0.4 18 26.0 11.6 107 21 308.1 308.9 289.0 321.0 4.13 8 850 1560 22.0 1.0 25 21.0 10.4 80 20 309.2 310.1 290.0 324.2 4.84 9 843 1631 21.2 1.2 26 20.0 10.2 75 21 309.1 310.0 290.1 324.5 4.95 10 700 3201 8.6 -7.4 31 16.0 1.3 25 7 312.0 312.6 289.3 322.0 3.13 11 649 3820 3.8 -6.2 48 10.0 -0.9 339 6 313.4 314.1 290.3 325.2 3.71 12 600 4453 0.6 -14.4 31 15.0 -5.2 299 8 316.8 317.2 289.9 323.7 2.09 13 592 4560 0.0 -15.0 31 15.0 -5.7 296 8 317.3 317.7 290.0 324.0 2.01 14 565 4932 -1.9 -15.9 33 14.0 -7.1 283 9 319.4 319.7 290.6 325.9 1.96 15 548 5175 -0.7 -17.7 26 17.0 -7.0 272 10 323.6 323.9 291.6 329.5 1.74 16 535 5366 -1.7 -18.7 26 17.0 -7.8 264 11 324.6 324.9 291.8 330.3 1.63 17 500 5900 -5.9 -20.9 29 15.0 -10.8 240 13 325.8 326.1 292.0 330.9 1.45 18 425 7153 -14.1 -24.1 42 10.0 -16.9 240 18 330.9 331.1 293.2 335.5 1.28 19 400 7610 -17.9 -27.9 41 10.0 -20.3 245 19 331.7 331.9 293.1 335.2 0.96 20 398 7647 -18.1 -28.1 41 10.0 -20.5 244 18 331.9 332.1 293.2 335.4 0.95 21 389 7817 -19.7 -29.7 41 10.0 -21.9 241 21 332.0 332.2 293.1 335.1 0.84 22 347 8653 -25.9 -35.9 39 10.0 -27.5 225 34 334.7 334.8 293.4 336.6 0.51 23 300 9690 -33.1 -42.1 40 9.0 -34.1 230 46 338.7 338.8 294.3 340.0 0.31 24 297 9761 -33.5 -42.5 40 9.0 -34.5 230 45 339.1 339.2 294.4 340.3 0.30 25 292 9880 -34.5 -42.5 44 8.0 -35.4 230 44 339.4 339.4 294.4 340.6 0.31 26 280 10173 -36.5 -44.5 43 8.0 -37.2 230 41 340.6 340.6 294.7 341.6 0.26 27 272 10374 -38.3 -46.3 43 8.0 -38.9 230 39 340.8 340.8 294.7 341.7 0.22 28 267 10502 -39.3 -47.3 42 8.0 -39.9 230 38 341.2 341.2 294.8 342.0 0.20 29 250 10950 -43.5 -50.5 46 7.0 -43.9 245 38 341.4 341.4 294.8 342.0 0.15 30 228 11563 -48.9 -55.9 44 7.0 -49.2 245 43 342.3 342.3 295.0 342.6 0.09 31 222 11738 -50.3 -57.3 43 7.0 -50.5 245 44 342.7 342.7 295.0 343.0 0.07 32 200 12410 -56.3 -62.3 47 6.0 -56.4 245 50 343.6 343.6 295.2 343.8 0.04 33 192 12667 -58.7 -64.7 46 6.0 -58.8 249 47 343.8 343.8 295.3 343.9 0.03 34 188 12798 -59.9 -65.9 45 6.0 -60.0 251 45 343.9 343.9 295.3 344.1 0.03 35 176 13208 -61.1 -66.1 51 5.0 -61.2 258 40 348.5 348.5 296.3 348.6 0.03 36 163 13681 -62.3 -67.1 52 4.8 -62.4 266 34 354.2 354.2 297.5 354.4 0.03 37 160 13795 -62.7 -67.7 51 5.0 -62.8 268 33 355.4 355.4 297.8 355.6 0.03 38 150 14190 -64.9 -69.4 54 4.5 -65.0 275 28 358.3 358.3 298.4 358.4 0.02 39 111 15979 -75.1 -77.9 65 2.8 -75.1 257 22 371.4 371.4 300.8 371.4 0.01 40 105 16300 -76.5 -79.6 61 3.1 -76.5 266 19 374.7 374.7 301.4 374.7 0.01 41 100 16580 -77.7 -80.6 63 2.9 -77.7 275 17 377.6 377.6 301.9 377.6 0.01 42 98 16696 -77.7 -80.5 64 2.8 -77.7 273 17 379.8 379.8 302.2 379.8 0.01 43 96 16815 -77.5 -80.5 62 3.0 -77.5 270 18 382.4 382.4 302.6 382.5 0.01 44 89 17247 -80.1 -81.6 78 1.5 -80.1 261 19 385.6 385.6 303.1 385.6 0.01 45 77 18065 -82.1 -84.5 66 2.4 -82.1 245 21 397.8 397.8 304.9 397.8 0.00 46 76 18138 -82.3 -85.0 63 2.7 -82.3 243 22 398.8 398.8 305.0 398.8 0.00 47 70 18600 -81.5 -85.7 49 4.2 -81.5 205 9 410.0 410.0 306.5 410.0 0.00 48 50 20560 -66.3 -77.3 20 11.0 -66.5 115 22 487.2 487.3 314.0 487.4 0.02 49 30 23700 -60.1 -79.1 7 19.0 -61.0 70 25 580.8 580.8 319.7 581.0 0.03 50 25 24853 -54.5 -78.5 4 24.0 -56.4 90 27 628.0 628.0 321.8 628.2 0.03 51 24 25114 -54.5 -78.5 4 24.0 -56.5 90 27 635.3 635.4 322.1 635.6 0.04 52 20 26280 -55.1 -78.1 4 23.0 -57.2 90 25 667.5 667.5 323.3 667.9 0.05 53 19 26608 -55.1 -78.1 4 23.0 -57.3 89 27 677.4 677.4 323.7 677.8 0.05 54 17 27324 -52.7 -76.7 4 24.0 -55.7 85 32 707.0 707.0 324.7 707.5 0.07 55 15 28138 -50.5 -74.5 4 24.0 -54.4 86 31 740.0 740.1 325.7 741.0 0.11 56 14 28591 -47.7 -72.7 4 25.0 -52.8 87 30 764.3 764.4 326.4 765.7 0.15 57 14 28591 -47.1 -72.1 4 25.0 -52.4 87 30 766.3 766.4 326.4 767.9 0.16 58 10 30810 -49.5 -72.5 5 23.0 -54.9 90 23 834.8 834.9 328.1 837.0 0.21 59 9.0 31503 -47.9 -70.9 5 23.0 -54.2 866.5 866.6 328.8 869.7 0.30 60 8.7 31726 -48.3 873.4 TRP 843 1631 21.2 1.2 26 20.0 10.2 75 21 309.1 310.0 290.1 324.5 4.95 WND Sounding variables and indices 1000-500 mb thick: 5773.00 m Freezing level: 592.00 mb = 4560.03 m = 14960.55 ft Wetbulb zero: 669.77 mb = 3562.03 m = 11686.30 ft Precipitable water: 0.78 inches Sfc-500 mean rel hum: 29.33 % Est. max temperature: 35.04 C = 95.07 F Sfc-Lift cond lev (LCL): 592.71 mb = 4550.44 m = 14929.09 ft T: 0.05 C 700-500 lapse rate: 5.37 C/km ThetaE index: 2.44 C Layer 700.0- 649.0 mb Conv cond level (CCL): 490.19 mb = 6052.86 m = 19858.24 ft Mean mixing ratio: 4.66 g/kg Conv temperature: 52.29 C = 126.13 F Cap Strength: 10.41 C Lifted Index: 9.78 C Risk: None Lifted Index @300 mb: 12.88 C Lifted Index @700 mb: 4.59 C Showalter Index: 8.20 C Risk: None Total Totals Index: 34.80 C Risk: None Vertical Totals Index: 27.90 C Cross Totals Index: 6.90 C K Index: 12.90 Risk: None Sweat Index: 65.00 Risk: None Energy Index: 1.39 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.13 J/kg Max Up Vert Vel: 4.50 m/s Conv Inhibition (B-): 43842.37 J/kg Cap Strength: 10.38 C Lift Cond Lev (LCL): 636.13 mb = 3981.13 m = 13061.28 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 101 at 10 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 ---------------------------------------------------------- 0 989 227 110 29 -27.3 9.9 | 115 19 -17.6 8.1 1 980 305 110 17 -16.0 5.8 | 122 7 -6.3 4.0 2 947 610 110 19 -17.9 6.5 | 120 9 -8.2 4.7 3 925 820 120 19 -16.5 9.5 | 138 10 -6.8 7.7 4 915 914 110 21 -19.7 7.2 | 118 11 -10.1 5.3 5 884 1219 105 21 -20.3 5.4 | 109 11 -10.7 3.6 6 850 1560 80 20 -19.7 -3.5 | 62 11 -10.1 -5.3 7 843 1631 75 21 -20.3 -5.4 | 56 13 -10.7 -7.3 8 824 1829 70 22 -20.7 -7.5 | 50 14 -11.0 -9.4 9 794 2134 65 18 -16.3 -7.6 | 35 12 -6.7 -9.4 10 766 2438 65 13 -11.8 -5.5 | 16 8 -2.2 -7.3 11 739 2743 35 13 -7.5 -10.6 | 350 13 2.2 -12.5 12 700 3201 25 7 -3.0 -6.3 | 321 11 6.7 -8.2 13 661 3658 350 6 1.0 -5.9 | 306 13 10.7 -7.7 14 613 4267 305 7 5.7 -4.0 | 291 16 15.4 -5.8 15 568 4877 285 9 8.7 -2.3 | 283 19 18.3 -4.2 16 500 5900 240 13 11.3 6.5 | 257 21 20.9 4.7 17 487 6096 230 15 11.5 9.6 | 250 23 21.1 7.8 18 400 7610 245 19 17.2 8.0 | 257 28 26.8 6.2 19 399 7620 245 18 16.3 7.6 | 257 27 25.9 5.8 20 324 9144 215 42 24.1 34.4 | 226 47 33.7 32.6 21 300 9690 230 46 35.2 29.6 | 238 53 44.9 27.7 22 260 10668 230 36 27.6 23.1 | 240 43 37.2 21.3 23 250 10950 245 38 34.4 16.1 | 252 46 44.1 14.2 24 200 12410 245 50 45.3 21.1 | 251 58 54.9 19.3 25 150 14190 275 28 27.9 -2.4 | 276 38 37.5 -4.3 26 126 15240 235 27 22.1 15.5 | 247 35 31.7 13.7 27 100 16580 275 17 16.9 -1.5 | 277 27 26.6 -3.3 28 74 18288 240 22 19.1 11.0 | 252 30 28.7 9.2 29 70 18600 205 9 3.8 8.2 | 245 15 13.4 6.3 30 50 20560 115 22 -19.9 9.3 | 126 13 -10.3 7.5 31 44 21336 95 24 -23.9 2.1 | 91 14 -14.3 0.3 32 30 23700 70 25 -23.5 -8.6 | 53 17 -13.9 -10.4 33 27 24384 90 28 -28.0 0.0 | 84 18 -18.4 -1.8 34 20 26280 90 25 -25.0 0.0 | 83 15 -15.4 -1.8 35 17 27432 85 33 -32.9 -2.9 | 79 24 -23.2 -4.7 36 10 30810 90 23 -23.0 0.0 | 82 13 -13.4 -1.8 Wind Parameters Mean winds (0-6000m): 70.8 at 13.1 knts Storm direction: 100.8 at 9.8 knts Shear (0-3000m) pos: 1.8 neg: 3.5 tot: 5.3 10-3/s Storm rel Dir Shear (0-3000m): -154.7 deg Storm rel helicity (0-3000m) pos: 12.3 neg: -101.2 tot: -89.0 m^2/s^2 ave: -29.7 10^-3 m/s^2 rel: -0.52 Storm rel vorticity (0-3000m) horiz: 9.9 stream: -5.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.51 Bulk Shear: 19.96 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 ------------------------------------------------------------------------------- 500 111 19 121 10| 10.6 0.0 10.6| 9.3 -0.5 8.7 17.4 0.21| 15.8 3.3 1000 111 20 120 10| 5.3 2.2 7.5| 12.3 -16.7 -4.4 -4.4 -0.06| 11.5 -0.7 1500 102 20 104 10| 3.5 5.1 8.7| 12.3 -49.1 -36.8 -24.5 -0.36| 11.7 -4.2 2000 94 20 87 10| 2.6 3.9 6.6| 12.3 -65.3 -53.0 -26.5 -0.41| 10.6 -4.4 2500 88 19 75 9| 2.1 4.3 6.4| 12.3 -82.1 -69.8 -27.9 -0.46| 10.5 -4.9 3000 83 17 62 8| 1.8 3.5 5.3| 12.3-101.2 -89.0 -29.7 -0.52| 9.9 -5.1 4000 75 14 38 7| 1.3 3.3 4.6| 12.3-125.1-112.8 -28.2 -0.55| 8.5 -4.7 5000 68 13 21 7| 1.1 3.0 4.0| 12.3-151.8-139.6 -27.9 -0.58| 7.5 -4.3 6000 71 13 24 7| 0.9 2.5 3.4| 13.3-204.3-191.0 -31.8 -0.62| 7.1 -4.4 Wrote GIF file: /home/apache/climate/data/raob//DRRN/skewt/DRRN.skewt.20260105.12.gif