UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101900.upa.cvt Date: 0000Z 19 OCT 25 Searching for DRRN... Searching the city database file for: DRRN ... Date:0000Z 19 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 118 SFC 987 227 26.4 16.4 54 10.0 19.6 200 3 300.7 302.9 293.3 335.8 11.97 2 970 384 33.4 9.4 23 24.0 18.1 145 9 309.2 310.7 292.4 332.7 7.65 3 949 584 32.2 6.2 20 26.0 16.4 132 9 310.0 311.1 291.5 329.3 6.27 4 925 816 30.2 5.2 21 25.0 15.2 110 7 310.2 311.3 291.3 328.8 6.00 5 886 1198 26.6 3.6 23 23.0 13.2 95 9 310.3 311.4 291.0 327.7 5.59 6 850 1561 23.6 2.6 25 21.0 11.6 75 12 310.9 311.9 291.1 327.8 5.43 7 847 1592 23.4 2.4 25 21.0 11.4 74 12 311.0 312.0 291.0 327.7 5.37 8 816 1914 20.6 -1.4 23 22.0 8.9 69 18 311.3 312.1 290.2 324.7 4.23 9 700 3211 9.8 -3.2 40 13.0 3.2 55 17 313.3 314.2 290.9 327.0 4.31 10 600 4470 0.2 -4.5 71 4.7 -2.1 113 13 316.4 317.2 292.0 331.0 4.57 11 597 4510 0.0 -4.3 73 4.3 -2.1 113 13 316.6 317.5 292.1 331.5 4.66 12 590 4604 -0.5 -3.6 80 3.1 -2.0 112 13 317.1 318.0 292.5 333.0 4.97 13 586 4659 -0.5 -5.5 69 5.0 -2.9 112 13 317.7 318.5 292.2 331.7 4.33 14 576 4797 0.2 -12.8 37 13.0 -5.1 111 14 320.1 320.5 291.2 328.3 2.48 15 500 5920 -5.5 -30.5 12 25.0 -11.9 90 11 326.3 326.5 291.3 328.5 0.60 16 433 7030 -12.9 -19.9 56 7.0 -15.2 152 6 330.6 331.0 293.6 337.0 1.82 17 400 7630 -16.1 -26.1 42 10.0 -18.7 195 5 334.1 334.3 293.9 338.2 1.14 18 371 8192 -20.3 -33.3 30 13.0 -22.9 202 5 335.8 335.9 293.9 338.1 0.62 19 354 8538 -22.7 -34.7 33 12.0 -24.9 207 6 337.1 337.2 294.1 339.2 0.57 20 347 8684 -23.5 -37.5 26 14.0 -25.8 209 6 337.9 338.0 294.2 339.6 0.44 21 330 9049 -26.9 -38.9 31 12.0 -28.7 214 6 338.1 338.2 294.3 339.7 0.40 22 300 9730 -31.9 -45.9 24 14.0 -33.3 240 14 340.4 340.5 294.6 341.3 0.21 23 289 9993 -34.3 -49.3 20 15.0 -35.6 248 15 340.7 340.7 294.6 341.3 0.15 24 266 10567 -39.1 -51.1 27 12.0 -39.9 267 18 341.8 341.8 294.9 342.4 0.13 25 250 10990 -41.9 -56.9 18 15.0 -42.6 245 16 343.8 343.8 295.3 344.1 0.07 26 242 11209 -43.7 -54.7 29 11.0 -44.3 239 17 344.3 344.3 295.4 344.7 0.09 27 231 11520 -45.7 -59.7 19 14.0 -46.3 231 18 345.9 345.9 295.7 346.1 0.05 28 200 12460 -54.3 -61.3 42 7.0 -54.5 205 22 346.8 346.8 296.0 347.0 0.05 29 150 14250 -68.3 -75.3 36 7.0 -68.4 205 32 352.4 352.4 297.1 352.5 0.01 30 142 14576 -70.1 -76.1 41 6.0 -70.1 215 33 354.9 354.9 297.7 354.9 0.01 31 124 15368 -74.9 -81.9 33 7.0 -74.9 237 33 360.2 360.2 298.7 360.2 0.00 32 114 15851 -77.1 -83.1 38 6.0 -77.1 248 27 364.8 364.8 299.6 364.8 0.00 33 111 16004 -77.9 -83.9 37 6.0 -77.9 252 24 366.1 366.1 299.9 366.1 0.00 34 109 16107 -78.1 -84.1 37 6.0 -78.1 254 23 367.7 367.7 300.1 367.7 0.00 35 105 16320 -76.9 -83.9 32 7.0 -76.9 259 20 373.9 373.9 301.2 373.9 0.00 36 102 16487 -76.5 -83.5 32 7.0 -76.5 262 18 377.8 377.8 301.9 377.8 0.00 37 100 16600 -77.1 -84.1 32 7.0 -77.1 265 16 378.8 378.8 302.1 378.8 0.00 38 94 16955 -78.1 -86.1 26 8.0 -78.1 289 15 383.6 383.6 302.8 383.6 0.00 39 88 17334 -76.5 -85.5 23 9.0 -76.5 315 14 394.1 394.1 304.4 394.1 0.00 40 86 17467 -76.3 -85.3 23 9.0 -76.3 324 14 397.1 397.1 304.8 397.1 0.00 41 71 18586 -71.7 -84.7 13 13.0 -71.8 39 11 429.2 429.2 308.7 429.3 0.00 42 70 18670 -72.3 -84.3 15 12.0 -72.4 45 11 429.7 429.7 308.8 429.7 0.00 43 63 19291 -69.5 -83.5 11 14.0 -69.6 68 13 449.0 449.0 310.8 449.1 0.01 44 55 20103 -67.1 -82.1 10 15.0 -67.3 99 15 472.3 472.3 312.8 472.4 0.01 45 50 20680 -64.5 -81.5 8 17.0 -64.8 120 16 491.5 491.5 314.4 491.5 0.01 46 48 20929 -64.3 -82.3 7 18.0 -64.6 117 18 497.7 497.7 314.8 497.8 0.01 47 40 22049 -62.3 -84.3 4 22.0 -62.9 103 29 529.4 529.4 316.9 529.4 0.01 48 36 22698 -63.3 -85.3 4 22.0 -63.8 94 35 543.0 543.0 317.7 543.1 0.01 49 30 23830 -58.9 -85.9 2 27.0 -59.9 80 46 584.1 584.1 319.9 584.1 0.01 50 25 24979 -56.9 -85.9 1 29.0 -58.4 84 52 621.1 621.1 321.5 621.1 0.01 51 21 26094 -52.3 -83.3 1 31.0 -55.1 89 58 666.7 666.7 323.3 666.9 0.02 52 20 26410 -52.1 -83.1 1 31.0 -55.0 90 60 676.7 676.7 323.7 676.9 0.02 53 18 27091 -52.7 -82.7 1 30.0 -55.6 695.5 695.5 324.3 695.7 0.02 54 18 27091 -52.9 -82.9 1 30.0 -55.8 694.9 694.9 324.3 695.1 0.02 55 13 29219 -46.9 783.4 TRP 886 1198 26.6 3.6 23 23.0 13.2 95 9 310.3 311.4 291.0 327.7 5.59 WND Sounding variables and indices 1000-500 mb thick: 5802.00 m Freezing level: 597.00 mb = 4509.91 m = 14796.12 ft Freezing level: 578.86 mb = 4757.34 m = 15607.88 ft Freezing level: 573.33 mb = 4836.16 m = 15866.46 ft Wetbulb zero: 639.19 mb = 3953.07 m = 12969.22 ft Precipitable water: 0.96 inches Sfc-500 mean rel hum: 35.30 % Est. max temperature: 36.78 C = 98.21 F Sfc-Lift cond lev (LCL): 852.82 mb = 1531.98 m = 5026.13 ft T: 23.84 C 700-500 lapse rate: 5.65 C/km ThetaE index: 8.14 C Layer 970.0- 850.0 mb Conv cond level (CCL): 607.13 mb = 4373.26 m = 14347.80 ft Mean mixing ratio: 6.77 g/kg Conv temperature: 41.80 C = 107.24 F Cap Strength: 4.57 C Lifted Index: 5.73 C Risk: None Lifted Index @300 mb: 8.39 C Lifted Index @700 mb: 3.73 C Showalter Index: 6.78 C Risk: None Total Totals Index: 37.20 C Risk: None Vertical Totals Index: 29.10 C Cross Totals Index: 8.10 C K Index: 18.70 Risk: < 20 % chance of thunderstorms Sweat Index: 66.20 Risk: None Energy Index: 0.29 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 21.54 J/kg Max Up Vert Vel: 6.56 m/s Conv Inhibition (B-): 39797.19 J/kg Cap Strength: 5.59 C Lift Cond Lev (LCL): 667.03 mb = 3604.95 m = 11827.13 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 112 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 ---------------------------------------------------------- 0 987 227 200 3 1.0 2.8 | 276 11 11.0 -1.2 1 979 305 150 9 -4.5 7.8 | 235 7 5.5 3.8 2 946 610 130 9 -6.9 5.8 | 240 4 3.1 1.8 3 925 816 110 7 -6.6 2.4 | 296 4 3.4 -1.6 4 915 914 100 12 -11.8 2.1 | 44 3 -1.9 -1.9 5 886 1198 95 9 -9.0 0.8 | 343 3 1.0 -3.2 6 884 1219 95 9 -9.0 0.8 | 343 3 1.0 -3.2 7 850 1561 75 12 -11.6 -3.1 | 13 7 -1.6 -7.1 8 824 1829 70 16 -15.0 -5.5 | 28 11 -5.1 -9.5 9 795 2134 65 24 -21.8 -10.1 | 40 18 -11.8 -14.2 10 767 2438 65 27 -24.5 -11.4 | 43 21 -14.5 -15.4 11 740 2743 55 28 -22.9 -16.1 | 33 24 -13.0 -20.1 12 700 3211 55 17 -13.9 -9.8 | 16 14 -4.0 -13.8 13 662 3658 65 10 -9.1 -4.2 | 354 8 0.9 -8.3 14 614 4267 115 12 -10.9 5.1 | 138 1 -0.9 1.0 15 569 4877 110 14 -13.2 4.8 | 103 3 -3.2 0.8 16 500 5920 90 11 -11.0 0.0 | 15 4 -1.0 -4.0 17 489 6096 85 10 -10.0 -0.9 | 0 5 -0.0 -4.9 18 401 7620 195 4 1.0 3.9 | 271 11 11.0 -0.2 19 400 7630 195 5 1.3 4.8 | 266 11 11.2 0.8 20 325 9144 215 6 3.4 4.9 | 266 13 13.4 0.9 21 300 9730 240 14 12.1 7.0 | 262 22 22.1 3.0 22 262 10668 270 18 18.0 -0.0 | 278 28 28.0 -4.0 23 250 10990 245 16 14.5 6.8 | 264 25 24.5 2.7 24 200 12460 205 22 9.3 19.9 | 230 25 19.2 15.9 25 150 14250 205 32 13.5 29.0 | 223 34 23.5 25.0 26 126 15240 235 35 28.7 20.1 | 247 42 38.6 16.0 27 100 16600 265 16 15.9 1.4 | 276 26 25.9 -2.6 28 70 18670 45 11 -7.8 -7.8 | 350 12 2.2 -11.8 29 50 20680 120 16 -13.9 8.0 | 135 6 -3.9 4.0 30 30 23830 80 46 -45.3 -8.0 | 71 37 -35.4 -12.0 31 20 26410 90 60 -60.0 0.0 | 85 50 -50.0 -4.0 Wind Parameters Mean winds (0-6000m): 82.0 at 14.3 knts Storm direction: 112.0 at 10.7 knts Shear (0-3000m) pos: 0.0 neg: 3.3 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 99.5 deg Storm rel helicity (0-3000m) pos: 29.5 neg: -64.6 tot: -35.1 m^2/s^2 ave: -11.7 10^-3 m/s^2 rel: -0.02 Storm rel vorticity (0-3000m) horiz: 9.9 stream: -0.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.14 Bulk Shear: 18.92 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 ------------------------------------------------------------------------------- 500 139 8 243 5| 0.0 8.2 8.2| 2.1 -12.3 -10.2 -20.5 -0.31| 13.1 -4.0 1000 118 9 263 2| 0.0 5.3 5.3| 5.4 -14.3 -8.9 -8.9 -0.01| 11.4 -0.1 1500 102 10 351 2| 0.0 5.7 5.7| 11.5 -14.3 -2.8 -1.9 0.13| 10.1 1.3 2000 87 12 28 5| 0.0 7.0 7.0| 25.4 -14.3 11.1 5.6 0.19| 10.3 1.9 2500 78 15 35 9| 0.0 6.3 6.3| 29.5 -36.9 -7.4 -3.0 0.10| 9.6 0.9 3000 72 17 33 11| 0.0 3.3 3.3| 29.5 -64.6 -35.1 -11.7 -0.02| 9.9 -0.2 4000 73 15 29 10| 1.8 2.5 4.3| 33.9 -74.6 -40.7 -10.2 0.00| 9.5 0.0 5000 80 15 35 8| 1.5 2.2 3.7| 34.1 -76.7 -42.6 -8.5 -0.03| 8.1 -0.2 6000 82 14 35 7| 1.3 1.9 3.2| 34.1 -81.4 -47.3 -7.9 -0.08| 7.3 -0.6 Wrote GIF file: /home/apache/climate/data/raob//DRRN/skewt/DRRN.skewt.20251019.00.gif