UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101812.upa.cvt Date: 1200Z 18 OCT 25 Searching for DRRN... Searching the city database file for: DRRN ... Date:1200Z 18 OCT 25 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 115 SFC 988 227 37.4 15.4 27 22.0 22.2 100 9 311.6 313.7 295.7 346.0 11.20 2 976 338 33.4 13.4 30 20.0 20.0 76 7 308.7 310.6 294.0 338.9 9.94 3 941 665 30.2 13.2 35 17.0 18.9 85 12 308.7 310.6 294.2 339.6 10.18 4 933 741 29.6 12.6 35 17.0 18.4 85 13 308.8 310.7 294.0 338.9 9.87 5 925 818 29.0 12.0 35 17.0 17.8 85 14 309.0 310.8 293.9 338.1 9.56 6 875 1308 24.4 9.4 39 15.0 14.9 80 16 309.1 310.7 293.1 335.1 8.49 7 850 1561 21.8 8.8 43 13.0 13.7 80 15 309.0 310.6 293.0 334.6 8.39 8 811 1965 18.2 7.2 49 11.0 11.5 89 16 309.3 310.8 292.7 333.5 7.88 9 724 2924 10.8 -3.2 37 14.0 3.8 80 22 311.4 312.2 290.2 324.6 4.17 10 700 3204 9.0 -3.0 43 12.0 2.9 80 19 312.5 313.3 290.6 326.3 4.38 11 626 4116 2.4 -1.6 75 4.0 0.3 129 11 315.1 316.1 292.3 332.3 5.44 12 600 4457 0.4 -5.6 64 6.0 -2.4 139 11 316.6 317.4 291.7 330.1 4.20 13 597 4497 0.0 -6.0 64 6.0 -2.8 138 11 316.6 317.4 291.6 329.7 4.09 14 587 4632 -1.1 -7.1 64 6.0 -3.8 137 12 316.8 317.6 291.5 329.2 3.82 15 578 4755 -0.9 -22.9 17 22.0 -7.8 136 14 318.5 318.7 289.4 322.1 1.05 16 547 5193 -2.5 -36.5 5 34.0 -10.2 129 14 321.6 321.7 289.6 322.8 0.31 17 500 5900 -6.5 -20.5 32 14.0 -11.1 115 12 325.1 325.4 291.8 330.3 1.50 18 472 6350 -8.7 -14.7 62 6.0 -11.0 130 10 327.8 328.3 293.5 336.7 2.59 19 452 6685 -10.7 -17.7 56 7.0 -13.2 156 10 329.4 329.8 293.5 336.7 2.11 20 444 6823 -11.5 -17.5 61 6.0 -13.6 167 10 330.0 330.5 293.7 337.6 2.18 21 434 6998 -11.9 -19.9 51 8.0 -14.5 180 10 331.7 332.1 293.9 338.1 1.82 22 400 7620 -15.7 -30.7 26 15.0 -19.2 230 10 334.6 334.7 293.7 337.3 0.74 23 384 7925 -18.1 -36.1 19 18.0 -21.5 229 9 335.4 335.4 293.6 337.1 0.46 24 321 9231 -28.9 -37.9 42 9.0 -30.2 244 11 338.0 338.1 294.3 339.8 0.45 25 300 9710 -32.7 -42.7 36 10.0 -33.8 235 16 339.3 339.3 294.4 340.5 0.30 26 250 10970 -42.1 -53.1 29 11.0 -42.8 210 20 343.5 343.5 295.3 343.9 0.11 27 214 12003 -50.3 -66.3 13 16.0 -50.7 245 23 346.3 346.4 295.8 346.5 0.02 28 200 12440 -54.1 -67.1 19 13.0 -54.4 260 25 347.1 347.1 296.0 347.2 0.02 29 150 14220 -68.7 -75.7 36 7.0 -68.7 225 30 351.7 351.7 297.0 351.8 0.01 30 147 14340 -69.7 -75.7 41 6.0 -69.7 224 31 352.1 352.1 297.1 352.1 0.01 31 136 14800 -72.5 -80.5 29 8.0 -72.5 222 34 355.0 355.0 297.7 355.0 0.00 32 110 16025 -79.1 -84.1 44 5.0 -79.1 243 29 364.8 364.8 299.6 364.8 0.00 33 108 16129 -79.1 -84.1 44 5.0 -79.1 247 28 366.7 366.7 299.9 366.8 0.00 34 105 16290 -77.3 -83.3 38 6.0 -77.3 251 26 373.1 373.1 301.1 373.1 0.00 35 102 16456 -76.3 -82.3 38 6.0 -76.3 257 24 378.2 378.2 301.9 378.2 0.00 36 100 16570 -76.5 -83.5 32 7.0 -76.5 260 23 379.9 379.9 302.2 379.9 0.00 37 89 17241 -76.1 -83.1 32 7.0 -76.2 227 24 393.6 393.6 304.3 393.6 0.00 38 86 17438 -75.7 -82.7 32 7.0 -75.7 218 24 398.3 398.3 305.0 398.3 0.00 39 85 17506 -75.7 -82.7 32 7.0 -75.7 214 24 399.6 399.6 305.2 399.6 0.01 40 81 17784 -76.1 -83.1 32 7.0 -76.2 201 24 404.3 404.3 305.8 404.4 0.00 41 79 17928 -76.5 -83.5 32 7.0 -76.5 194 24 406.4 406.4 306.0 406.4 0.00 42 70 18630 -72.9 -81.9 24 9.0 -73.0 160 25 428.4 428.4 308.7 428.5 0.01 43 50 20660 -63.9 -82.9 6 19.0 -64.3 95 35 492.9 492.9 314.4 492.9 0.01 44 47 21039 -63.5 -84.5 4 21.0 -63.9 96 36 502.7 502.7 315.1 502.7 0.01 45 45 21306 -63.5 -85.5 4 22.0 -63.9 96 36 509.0 509.0 315.6 509.0 0.01 46 43 21585 -63.3 -85.3 4 22.0 -63.7 96 37 516.1 516.1 316.1 516.1 0.01 47 37 22509 -62.9 -83.9 4 21.0 -63.4 98 39 539.8 539.8 317.5 539.9 0.01 48 33 23216 -61.5 -83.5 4 22.0 -62.2 99 41 561.5 561.5 318.7 561.5 0.01 49 30 23810 -58.9 -80.9 4 22.0 -59.9 100 42 584.1 584.1 319.9 584.2 0.02 50 29 24023 -58.7 -80.7 4 22.0 -59.7 98 44 590.3 590.3 320.2 590.5 0.02 51 24 25212 -59.7 -80.7 5 21.0 -60.8 86 55 620.2 620.2 321.5 620.4 0.02 52 20 26370 -53.9 -76.9 4 23.0 -56.3 75 66 671.2 671.2 323.5 671.6 0.05 53 19 26701 -52.1 -75.1 5 23.0 -55.0 77 64 686.7 686.7 324.0 687.3 0.08 54 15 28251 -46.9 -70.9 5 24.0 -52.0 87 56 752.0 752.1 326.0 753.7 0.18 55 14 28709 -46.9 -69.9 6 23.0 -52.2 90 53 767.0 767.1 326.4 769.1 0.22 56 10 30950 -44.9 -66.9 7 22.0 -52.0 105 41 851.9 852.2 328.5 857.0 0.47 57 9.5 31293 -44.7 -66.7 7 22.0 -52.1 865.3 865.6 328.8 870.8 0.51 58 9.3 31435 -44.9 -67.9 6 23.0 -52.4 869.8 870.0 328.9 874.6 0.44 TRP 875 1308 24.4 9.4 39 15.0 14.9 80 16 309.1 310.7 293.1 335.1 8.49 WND Sounding variables and indices 1000-500 mb thick: 5785.00 m Freezing level: 597.00 mb = 4497.26 m = 14754.61 ft Wetbulb zero: 623.05 mb = 4154.16 m = 13628.96 ft Precipitable water: 1.24 inches Sfc-500 mean rel hum: 40.49 % Est. max temperature: 34.88 C = 94.78 F Sfc-Lift cond lev (LCL): 720.47 mb = 2964.51 m = 9725.97 ft T: 10.54 C 700-500 lapse rate: 5.75 C/km ThetaE index: 15.05 C Layer 933.0- 700.0 mb Conv cond level (CCL): 686.12 mb = 3367.45 m = 11047.92 ft Mean mixing ratio: 9.75 g/kg Conv temperature: 38.70 C = 101.66 F Cap Strength: 2.20 C Lifted Index: 0.80 C Risk: Showers probable Lifted Index @300 mb: 2.14 C Lifted Index @700 mb: 1.71 C Showalter Index: 2.62 C Risk: Showers probable Total Totals Index: 43.60 C Risk: None Vertical Totals Index: 28.30 C Cross Totals Index: 15.30 C K Index: 25.10 Risk: 40-60 % chance of thunderstorms Sweat Index: 147.60 Risk: None Energy Index: -0.80 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 16.87 J/kg Max Up Vert Vel: 5.81 m/s Conv Inhibition (B-): 90.66 J/kg Cap Strength: 2.61 C Lift Cond Lev (LCL): 724.38 mb = 2919.40 m = 9577.96 ft Lev Free Conv (LFC): 629.38 mb = 4072.17 m = 13359.97 ft Equ Level (EL): 569.38 mb = 4874.59 m = 15992.55 ft B at Equ Level: 16.47 J/kg Max Parcel Lev (MPL): 519.38 mb = 5600.85 m = 18375.26 ft Wind level data Storm motion: 129 at 11 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 ---------------------------------------------------------- 0 988 227 100 9 -8.9 1.6 | 2 5 -0.2 -5.5 1 979 305 75 7 -6.8 -1.8 | 348 9 1.9 -8.9 2 947 610 85 11 -11.0 -1.0 | 16 8 -2.3 -8.0 3 925 818 85 14 -13.9 -1.2 | 33 10 -5.3 -8.3 4 915 914 85 15 -14.9 -1.3 | 37 10 -6.3 -8.4 5 884 1219 75 16 -15.5 -4.1 | 31 13 -6.8 -11.2 6 875 1308 80 16 -15.8 -2.8 | 36 12 -7.1 -9.8 7 850 1561 80 15 -14.8 -2.6 | 32 11 -6.1 -9.7 8 824 1829 85 15 -14.9 -1.3 | 37 10 -6.3 -8.4 9 794 2134 95 18 -17.9 1.6 | 59 11 -9.3 -5.5 10 766 2438 90 21 -21.0 0.0 | 60 14 -12.4 -7.0 11 739 2743 80 24 -23.6 -4.2 | 53 19 -15.0 -11.2 12 700 3204 80 19 -18.7 -3.3 | 44 14 -10.1 -10.3 13 661 3658 100 16 -15.8 2.8 | 59 8 -7.1 -4.3 14 613 4267 140 9 -5.8 6.9 | 273 3 2.9 -0.2 15 568 4877 135 15 -10.6 10.6 | 151 4 -2.0 3.6 16 500 5900 115 12 -10.9 5.1 | 48 3 -2.2 -2.0 17 487 6096 110 10 -9.4 3.4 | 12 4 -0.8 -3.6 18 400 7620 230 10 7.7 6.4 | 272 16 16.3 -0.6 19 400 7620 225 9 6.4 6.4 | 273 15 15.0 -0.7 20 324 9144 245 10 9.1 4.2 | 279 18 17.7 -2.8 21 300 9710 235 16 13.1 9.2 | 264 22 21.8 2.1 22 261 10668 220 16 10.3 12.3 | 255 20 18.9 5.2 23 250 10970 210 20 10.0 17.3 | 241 21 18.6 10.3 24 200 12440 260 25 24.6 4.3 | 275 33 33.3 -2.7 25 150 14220 225 30 21.2 21.2 | 245 33 29.9 14.2 26 126 15240 220 37 23.8 28.3 | 237 39 32.4 21.3 27 100 16570 260 23 22.7 4.0 | 276 31 31.3 -3.1 28 70 18630 160 25 -8.6 23.5 | 180 16 0.1 16.4 29 50 20660 95 35 -34.9 3.1 | 81 27 -26.2 -4.0 30 30 23810 100 42 -41.4 7.3 | 90 33 -32.7 0.2 31 20 26370 75 66 -63.8 -17.1 | 66 60 -55.1 -24.1 32 10 30950 105 41 -39.6 10.6 | 97 31 -31.0 3.6 Wind Parameters Mean winds (0-6000m): 99.2 at 14.9 knts Storm direction: 129.2 at 11.2 knts Shear (0-3000m) pos: 1.1 neg: 2.7 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 42.7 deg Storm rel helicity (0-3000m) pos: 34.4 neg: -27.1 tot: 7.3 m^2/s^2 ave: 2.4 10^-3 m/s^2 rel: 0.16 Storm rel vorticity (0-3000m) horiz: 6.0 stream: 1.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 3.22 Bulk Shear: 5.23 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 83 10 6 8| 0.0 4.8 4.8| 12.5 -2.8 9.6 19.3 0.41| 9.8 4.0 1000 82 12 22 9| 0.0 4.5 4.5| 17.1 -6.0 11.1 11.1 0.32| 7.5 2.4 1500 81 13 27 10| 0.8 3.0 3.8| 21.3 -7.8 13.5 9.0 0.31| 6.0 1.9 2000 84 14 32 10| 1.6 2.2 3.8| 34.2 -7.8 26.4 13.2 0.43| 5.9 2.6 2500 85 16 39 11| 1.3 3.2 4.5| 34.4 -16.1 18.2 7.3 0.27| 6.2 1.7 3000 84 17 42 12| 1.1 2.7 3.7| 34.4 -27.1 7.3 2.4 0.16| 6.0 1.0 4000 88 16 44 11| 2.7 2.0 4.7| 44.2 -27.3 16.9 4.2 0.13| 6.8 0.9 5000 95 15 50 9| 2.2 1.9 4.0| 44.2 -31.5 12.7 2.5 0.01| 6.2 0.1 6000 99 15 52 8| 1.9 1.7 3.6| 44.2 -35.9 8.3 1.4 -0.08| 5.8 -0.5 Wrote GIF file: /home/apache/climate/data/raob//DRRN/skewt/DRRN.skewt.20251018.12.gif