UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112812.upa.cvt Date: 1200Z 28 NOV 25 Searching for DRRN... Searching the city database file for: DRRN ... Date:1200Z 28 NOV 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 99 SFC 986 227 36.0 7.0 17 29.0 18.1 60 8 310.4 311.6 291.7 330.1 6.38 2 979 292 34.2 5.2 16 29.0 16.8 81 10 309.2 310.3 290.8 326.7 5.66 3 925 800 28.8 4.8 22 24.0 14.6 90 9 308.8 309.9 290.8 326.7 5.83 4 869 1350 24.0 3.0 25 21.0 12.0 85 13 309.3 310.4 290.6 326.3 5.47 5 850 1542 22.4 2.4 27 20.0 11.1 100 14 309.6 310.6 290.6 326.2 5.35 6 700 3187 8.6 1.6 61 7.0 4.7 180 4 312.0 313.2 292.0 331.2 6.15 7 676 3473 6.2 0.2 65 6.0 3.0 195 4 312.5 313.5 291.8 330.5 5.75 8 612 4280 1.8 -9.2 44 11.0 -3.0 245 13 316.4 317.0 290.7 326.5 3.11 9 607 4346 2.0 -15.0 27 17.0 -4.6 248 13 317.4 317.8 289.9 323.9 1.96 10 600 4439 1.8 -22.2 15 24.0 -6.0 254 13 318.2 318.4 289.3 321.9 1.07 11 597 4480 1.6 -24.4 12 26.0 -6.4 256 13 318.4 318.6 289.2 321.5 0.89 12 592 4547 1.6 -29.4 8 31.0 -7.0 260 13 319.2 319.3 289.1 321.2 0.57 13 571 4837 0.0 -21.0 19 21.0 -7.0 277 13 320.6 320.9 290.3 325.0 1.25 14 508 5757 -8.3 -11.9 75 3.6 -9.7 241 23 321.5 322.0 292.1 331.5 3.02 15 500 5880 -8.9 -13.3 70 4.4 -10.6 235 24 322.2 322.7 292.1 331.4 2.74 16 459 6542 -11.3 -37.3 10 26.0 -16.4 229 28 327.2 327.2 291.3 328.4 0.34 17 432 7006 -13.3 -29.3 25 16.0 -17.2 234 32 330.4 330.5 292.6 333.2 0.78 18 400 7590 -16.9 -29.9 31 13.0 -19.9 240 38 333.0 333.2 293.3 336.0 0.80 19 373 8110 -21.9 -30.9 44 9.0 -23.8 248 40 333.1 333.3 293.3 336.0 0.78 20 340 8786 -26.3 -44.3 17 18.0 -28.5 265 46 336.1 336.1 293.6 336.9 0.22 21 330 9001 -27.5 -50.5 9 23.0 -29.8 271 48 337.3 337.3 293.7 337.8 0.11 22 300 9680 -32.9 -47.9 21 15.0 -34.3 275 51 339.0 339.0 294.3 339.7 0.17 23 288 9965 -35.1 -49.1 23 14.0 -36.2 272 52 339.8 339.9 294.4 340.5 0.15 24 280 10159 -36.7 -51.7 20 15.0 -37.8 270 52 340.3 340.3 294.5 340.8 0.12 25 259 10692 -41.1 -54.1 23 13.0 -41.8 265 53 341.5 341.5 294.8 341.9 0.09 26 250 10930 -43.1 -57.1 20 14.0 -43.7 270 57 342.0 342.0 294.8 342.3 0.07 27 240 11203 -45.3 -59.3 19 14.0 -45.9 270 58 342.7 342.7 295.0 342.9 0.05 28 200 12390 -55.7 -63.7 36 8.0 -55.9 270 65 344.6 344.6 295.4 344.7 0.04 29 196 12519 -56.7 -63.7 41 7.0 -56.8 270 67 345.0 345.0 295.6 345.1 0.04 30 186 12850 -58.9 -65.9 40 7.0 -59.0 270 71 346.6 346.6 295.9 346.7 0.03 31 176 13196 -61.9 -67.9 45 6.0 -62.0 270 75 347.2 347.2 296.0 347.3 0.02 32 171 13374 -63.3 -70.3 38 7.0 -63.4 270 77 347.8 347.8 296.1 347.8 0.02 33 158 13857 -67.1 -73.1 42 6.0 -67.1 270 83 349.3 349.3 296.5 349.3 0.01 34 156 13934 -67.5 -73.5 42 6.0 -67.6 270 84 349.8 349.8 296.6 349.8 0.01 35 150 14170 -68.9 -74.9 42 6.0 -68.9 270 74 351.4 351.4 297.0 351.4 0.01 36 141 14538 -70.7 -77.7 35 7.0 -70.8 265 68 354.5 354.5 297.6 354.5 0.01 37 140 14580 -70.7 -76.7 41 6.0 -70.7 264 68 355.2 355.2 297.7 355.3 0.01 38 139 14622 -70.5 -76.5 41 6.0 -70.5 264 67 356.3 356.3 298.0 356.4 0.01 39 134 14840 -69.5 -75.5 41 6.0 -69.5 261 63 361.9 361.9 299.1 361.9 0.01 40 128 15112 -70.7 -77.7 35 7.0 -70.8 257 59 364.5 364.5 299.5 364.5 0.01 41 121 15444 -71.7 -77.7 40 6.0 -71.8 253 56 368.5 368.5 300.3 368.6 0.01 42 113 15845 -73.9 -80.9 33 7.0 -73.9 248 53 371.7 371.7 300.9 371.7 0.01 43 101 16493 -77.3 -82.3 44 5.0 -77.3 241 49 377.3 377.3 301.8 377.3 0.00 44 100 16550 -77.9 -83.9 37 6.0 -77.9 240 49 377.2 377.2 301.8 377.2 0.00 45 93 16962 -80.5 -85.1 46 4.6 -80.5 240 42 380.0 380.0 302.2 380.0 0.00 46 89 17209 -82.1 -87.0 43 4.9 -82.1 240 38 381.6 381.6 302.5 381.6 0.00 47 87 17337 -81.7 -86.7 42 5.0 -81.7 240 35 384.9 384.9 303.0 384.9 0.00 48 83 17602 -79.7 -84.1 48 4.4 -79.7 240 31 394.2 394.2 304.4 394.2 0.00 49 80 17811 -79.7 -84.3 46 4.6 -79.7 240 27 398.4 398.4 305.0 398.4 0.00 50 77 18027 -80.3 -84.8 47 4.5 -80.3 240 23 401.5 401.5 305.4 401.5 0.00 51 71 18488 -77.5 -82.5 44 5.0 -77.5 240 13 416.9 416.9 307.3 416.9 0.01 52 70 18570 -75.9 -80.9 45 5.0 -75.9 240 10 422.0 422.0 308.0 422.0 0.01 53 67 18824 -73.7 -78.7 46 5.0 -73.7 220 11 432.1 432.1 309.1 432.2 0.01 54 64 19091 -72.5 -78.5 40 6.0 -72.6 200 12 440.4 440.4 309.9 440.5 0.01 55 63 19183 -72.1 -78.1 40 6.0 -72.2 193 12 443.3 443.3 310.2 443.4 0.01 56 50 20560 -66.3 -75.3 27 9.0 -66.5 90 17 487.2 487.3 314.0 487.4 0.03 57 43 21477 -64.5 -76.5 18 12.0 -64.8 85 23 513.2 513.2 315.9 513.3 0.03 58 39 22072 -65.5 -79.5 13 14.0 -65.8 83 27 525.2 525.2 316.6 525.3 0.02 59 30 23680 -62.1 -83.1 4 21.0 -62.8 80 37 575.3 575.4 319.5 575.4 0.01 60 26 24574 -58.3 -81.3 4 23.0 -59.5 85 39 610.2 610.2 321.0 610.3 0.02 61 24 25081 -56.5 -79.5 4 23.0 -58.1 85 41 629.5 629.5 321.9 629.8 0.03 62 24 25081 -56.9 -78.9 5 22.0 -58.4 85 41 628.4 628.4 321.9 628.6 0.03 63 22 25636 -54.5 -77.5 4 23.0 -56.6 85 43 651.4 651.4 322.7 651.7 0.05 64 20 26250 -52.3 -75.3 5 23.0 -55.1 85 45 676.1 676.1 323.7 676.7 0.07 65 20 26250 -52.5 -75.5 5 23.0 -55.2 85 45 675.5 675.5 323.6 676.0 0.07 66 16 27700 -50.3 -73.3 5 23.0 -54.1 94 42 727.2 727.2 325.3 728.2 0.12 67 15 28122 -49.7 -72.7 5 23.0 -53.8 107 37 742.7 742.8 325.8 744.0 0.14 68 15 28122 -49.3 -72.3 5 23.0 -53.5 107 37 744.0 744.1 325.8 745.4 0.15 69 13 29059 -50.3 -72.3 6 22.0 -54.6 136 24 771.7 771.7 326.5 773.3 0.17 70 11 30161 -45.5 -69.5 5 24.0 -52.2 170 10 826.9 827.0 328.0 829.9 0.30 71 10 30800 -43.3 -67.3 5 24.0 -51.3 190 2 857.9 858.1 328.7 862.7 0.45 72 9.1 31435 -42.9 -65.9 6 23.0 -51.3 882.9 883.2 329.2 889.5 0.60 73 9.0 31510 -42.9 -65.9 6 23.0 -51.4 885.7 886.0 329.2 892.4 0.60 74 8.7 31739 -42.9 -66.9 5 24.0 -51.6 894.3 894.6 329.4 900.4 0.54 75 7.9 32391 -41.9 -66.9 5 25.0 -51.6 923.3 923.7 330.0 930.2 0.60 TRP 869 1350 24.0 3.0 25 21.0 12.0 85 13 309.3 310.4 290.6 326.3 5.47 WND 156 13934 -67.5 -73.5 42 6.0 -67.6 270 84 349.8 349.8 296.6 349.8 0.01 Sounding variables and indices 1000-500 mb thick: 5781.00 m Freezing level: 571.00 mb = 4836.79 m = 15868.55 ft Wetbulb zero: 644.10 mb = 3865.36 m = 12681.48 ft Precipitable water: 0.97 inches Sfc-500 mean rel hum: 40.17 % Est. max temperature: 35.45 C = 95.80 F Sfc-Lift cond lev (LCL): 647.93 mb = 3817.28 m = 12523.72 ft T: 4.32 C 700-500 lapse rate: 6.50 C/km ThetaE index: 3.40 C Layer 979.0- 925.0 mb Conv cond level (CCL): 550.33 mb = 5127.07 m = 16820.90 ft Mean mixing ratio: 5.75 g/kg Conv temperature: 46.48 C = 115.66 F Cap Strength: 6.19 C Lifted Index: 3.91 C Risk: None Lifted Index @300 mb: 9.50 C Lifted Index @700 mb: 2.69 C Showalter Index: 4.21 C Risk: None Total Totals Index: 42.60 C Risk: None Vertical Totals Index: 31.30 C Cross Totals Index: 11.30 C K Index: 26.70 Risk: 40-60 % chance of thunderstorms Sweat Index: 80.80 Risk: None Energy Index: 1.04 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 0.65 J/kg Max Up Vert Vel: 1.14 m/s Conv Inhibition (B-): 41813.30 J/kg Cap Strength: 6.15 C Lift Cond Lev (LCL): 645.76 mb = 3844.53 m = 12613.15 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 224 at 9 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 ---------------------------------------------------------- 0 986 227 60 8 -6.9 -4.0 | 52 17 -13.5 -10.8 1 977 305 85 11 -11.0 -1.0 | 66 19 -17.6 -7.7 2 945 610 100 8 -7.9 1.4 | 70 15 -14.5 -5.4 3 925 800 90 9 -9.0 0.0 | 67 17 -15.6 -6.8 4 913 914 85 13 -13.0 -1.1 | 68 21 -19.6 -7.9 5 882 1219 85 14 -13.9 -1.2 | 69 22 -20.6 -8.0 6 869 1350 85 13 -13.0 -1.1 | 68 21 -19.6 -7.9 7 850 1542 100 14 -13.8 2.4 | 78 21 -20.4 -4.3 8 822 1829 95 14 -13.9 1.2 | 75 21 -20.6 -5.5 9 793 2134 95 13 -13.0 1.1 | 74 20 -19.6 -5.6 10 765 2438 110 12 -11.3 4.1 | 82 18 -17.9 -2.7 11 738 2743 125 10 -8.2 5.7 | 86 15 -14.8 -1.0 12 700 3187 180 4 0.0 4.0 | 67 7 -6.6 -2.8 13 660 3658 205 4 1.7 3.6 | 58 6 -4.9 -3.1 14 612 4267 245 13 11.8 5.5 | 284 5 5.2 -1.3 15 567 4877 280 13 12.8 -2.3 | 326 11 6.2 -9.0 16 500 5880 235 24 19.7 13.8 | 242 15 13.0 7.0 17 486 6096 225 24 17.0 17.0 | 225 15 10.4 10.2 18 400 7590 240 38 32.9 19.0 | 245 29 26.3 12.2 19 398 7620 235 36 29.5 20.6 | 239 27 22.9 13.9 20 323 9144 275 49 48.8 -4.3 | 285 44 42.2 -11.0 21 300 9680 275 51 50.8 -4.4 | 284 46 44.2 -11.2 22 260 10668 265 53 52.8 4.6 | 273 46 46.2 -2.1 23 250 10930 270 57 57.0 -0.0 | 278 51 50.4 -6.8 24 200 12390 270 65 65.0 -0.0 | 277 59 58.4 -6.8 25 156 13934 270 84 84.0 -0.0 | 275 78 77.4 -6.8 26 150 14170 270 74 74.0 -0.0 | 276 68 67.4 -6.8 27 125 15240 255 57 55.1 14.8 | 261 49 48.4 8.0 28 100 16550 240 49 42.4 24.5 | 244 40 35.8 17.7 29 74 18288 240 19 16.5 9.5 | 254 10 9.8 2.7 30 70 18570 240 10 8.7 5.0 | 311 3 2.0 -1.8 31 50 20560 90 17 -17.0 0.0 | 74 25 -23.6 -6.8 32 44 21336 85 22 -21.9 -1.9 | 73 30 -28.5 -8.7 33 30 23680 80 37 -36.4 -6.4 | 73 45 -43.1 -13.2 34 27 24384 85 38 -37.9 -3.3 | 77 46 -44.5 -10.1 35 20 26250 85 45 -44.8 -3.9 | 78 53 -51.4 -10.7 36 17 27432 85 46 -45.8 -4.0 | 78 54 -52.4 -10.8 37 10 30800 190 2 0.3 2.0 | 53 8 -6.3 -4.8 Wind Parameters Mean winds (0-6000m): 194.4 at 12.6 knts Storm direction: 224.4 at 9.5 knts Shear (0-3000m) pos: 2.7 neg: 1.0 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 15.3 deg Storm rel helicity (0-3000m) pos: 68.5 neg: -17.2 tot: 51.3 m^2/s^2 ave: 17.1 10^-3 m/s^2 rel: 0.24 Storm rel vorticity (0-3000m) horiz: 6.4 stream: 1.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.02 Bulk Shear: 40.03 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 90 9 67 17| 5.0 0.0 5.0| 26.6 -1.8 24.7 49.5 0.55| 9.7 5.3 1000 88 11 67 19| 2.5 2.9 5.4| 29.6 -2.8 26.8 26.8 0.37| 7.8 2.9 1500 90 12 70 20| 2.6 1.9 4.5| 48.1 -6.5 41.6 27.7 0.42| 6.8 2.8 2000 91 12 71 20| 2.0 1.4 3.5| 52.5 -10.6 41.8 20.9 0.37| 5.7 2.1 2500 95 12 73 19| 2.5 1.1 3.6| 66.6 -10.6 56.0 22.4 0.40| 5.7 2.3 3000 99 11 74 18| 2.7 1.0 3.7| 68.5 -17.2 51.3 17.1 0.24| 6.4 1.5 4000 110 10 78 16| 3.3 0.7 4.1| 68.8 -19.6 49.2 12.3 0.10| 6.3 0.6 5000 130 11 90 15| 2.7 0.2 2.8| 79.4 -34.6 44.8 9.0 0.08| 6.4 0.5 6000 194 13 147 6| 2.2 1.4 3.6| 81.1 -91.1 -10.1 -1.7 -0.14| 6.9 -0.9 Wrote GIF file: /home/apache/climate/data/raob//DRRN/skewt/DRRN.skewt.20251128.12.gif