UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050912.upa.cvt Date: 1200Z 9 MAY 25 Searching for DRRN... Searching the city database file for: DRRN ... Date:1200Z 9 MAY 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 77 SFC 984 227 38.6 20.6 35 18.0 25.3 240 11 313.2 316.2 299.0 361.7 15.71 2 978 283 36.6 16.6 31 20.0 22.5 265 12 311.7 314.0 296.5 349.3 12.24 3 972 339 36.0 17.0 33 19.0 22.6 273 12 311.7 314.1 296.7 350.5 12.64 4 925 787 31.4 16.4 41 15.0 20.9 260 12 311.4 313.8 296.8 350.6 12.78 5 874 1292 26.6 15.6 51 11.0 18.9 227 8 311.5 314.0 296.8 351.0 12.86 6 867 1363 26.4 14.4 48 12.0 18.2 220 7 312.0 314.3 296.4 348.9 11.98 7 862 1414 26.4 11.4 39 15.0 16.5 197 6 312.5 314.4 295.0 343.0 9.87 8 856 1476 27.2 5.2 25 22.0 13.8 168 5 314.0 315.2 292.9 334.4 6.49 9 850 1538 26.6 3.6 23 23.0 13.0 140 4 314.0 315.1 292.3 332.4 5.83 10 818 1874 24.4 -2.6 17 27.0 9.9 89 7 315.1 315.9 291.0 327.5 3.86 11 811 1949 23.6 -2.4 18 26.0 9.7 88 8 315.1 315.8 291.0 327.7 3.95 12 761 2498 18.8 -7.2 16 26.0 6.1 91 17 315.7 316.2 290.3 325.2 2.92 13 700 3205 12.2 -10.8 19 23.0 2.0 85 25 316.0 316.5 289.9 323.9 2.39 14 603 4429 1.8 -12.2 35 14.0 -4.0 72 33 317.7 318.2 290.6 326.0 2.49 15 600 4469 1.8 -13.2 32 15.0 -4.3 73 32 318.2 318.6 290.5 325.8 2.30 16 597 4509 1.6 -14.4 29 16.0 -4.7 74 32 318.4 318.8 290.4 325.4 2.10 17 568 4909 0.8 -29.2 8 30.0 -7.6 80 26 322.1 322.2 290.0 324.2 0.60 18 558 5052 0.0 -28.0 10 28.0 -8.0 78 26 322.7 322.9 290.3 325.2 0.68 19 505 5842 -5.5 -25.5 19 20.0 -11.3 66 26 325.4 325.6 291.4 328.8 0.95 20 500 5920 -5.7 -26.7 17 21.0 -11.6 65 26 326.1 326.3 291.5 329.2 0.86 21 480 6239 -6.5 -30.5 13 24.0 -12.7 59 24 328.9 329.1 292.0 331.2 0.63 22 453 6688 -8.3 -41.3 5 33.0 -14.8 56 22 332.2 332.2 292.6 333.0 0.23 23 434 7019 -10.1 -35.1 11 25.0 -15.7 54 21 334.0 334.1 293.2 335.7 0.45 24 423 7216 -11.7 -37.7 10 26.0 -17.0 53 20 334.4 334.5 293.3 335.7 0.35 25 400 7640 -15.3 -38.3 12 23.0 -19.7 55 23 335.1 335.2 293.4 336.5 0.35 26 361 8404 -22.5 -40.5 18 18.0 -25.2 35 24 335.4 335.5 293.5 336.6 0.31 27 300 9740 -31.3 -55.3 8 24.0 -33.1 360 22 341.3 341.3 294.7 341.6 0.07 28 286 10076 -34.1 -59.1 6 25.0 -35.7 355 20 342.0 342.0 294.8 342.1 0.05 29 250 11000 -42.1 -48.1 52 6.0 -42.5 345 11 343.5 343.5 295.3 344.3 0.20 30 215 12009 -49.9 -54.9 56 5.0 -50.1 294 12 346.5 346.5 296.0 346.9 0.10 31 204 12352 -52.5 -57.5 55 5.0 -52.7 277 13 347.7 347.7 296.2 348.0 0.08 32 202 12416 -53.1 -58.1 54 5.0 -53.2 273 13 347.7 347.7 296.2 348.0 0.07 33 200 12480 -53.5 -58.5 54 5.0 -53.7 270 13 348.0 348.1 296.3 348.4 0.07 34 199 12512 -53.7 -58.7 54 5.0 -53.8 269 13 348.2 348.2 296.3 348.5 0.07 35 195 12642 -54.9 -59.7 55 4.8 -55.0 266 13 348.3 348.4 296.3 348.6 0.06 36 188 12875 -56.9 -61.9 53 5.0 -57.0 259 14 348.8 348.8 296.4 349.0 0.05 37 175 13325 -60.5 -64.5 59 4.0 -60.6 247 15 350.1 350.1 296.7 350.2 0.04 38 150 14270 -67.5 -72.5 49 5.0 -67.5 220 18 353.8 353.8 297.5 353.9 0.01 39 128 15208 -72.3 -78.3 40 6.0 -72.3 196 19 361.6 361.6 299.0 361.6 0.01 40 124 15393 -73.7 -79.7 39 6.0 -73.7 187 19 362.3 362.3 299.1 362.4 0.01 41 116 15780 -75.1 -81.1 39 6.0 -75.1 163 21 366.7 366.7 299.9 366.7 0.00 42 112 15982 -75.5 -80.5 45 5.0 -75.5 150 22 369.7 369.7 300.5 369.7 0.01 43 107 16244 -76.7 -82.7 38 6.0 -76.7 134 23 372.3 372.3 300.9 372.3 0.00 44 100 16630 -78.3 -84.3 37 6.0 -78.3 110 24 376.4 376.4 301.6 376.5 0.00 45 83 17688 -81.5 -85.5 51 4.0 -81.5 194 21 390.5 390.5 303.9 390.5 0.00 46 82 17756 -81.9 -86.0 49 4.1 -81.9 199 21 391.1 391.1 303.9 391.1 0.00 47 73 18424 -72.9 -78.9 40 6.0 -72.9 257 19 423.3 423.3 308.1 423.4 0.01 48 70 18670 -73.7 -79.7 39 6.0 -73.7 285 18 426.7 426.7 308.5 426.8 0.01 49 68 18839 -74.1 -80.1 39 6.0 -74.2 277 17 429.4 429.4 308.8 429.5 0.01 50 65 19101 -74.9 -80.9 39 6.0 -74.9 264 16 433.2 433.2 309.2 433.3 0.01 51 50 20650 -67.7 -78.7 19 11.0 -67.9 190 8 484.0 484.0 313.8 484.0 0.02 52 40 22017 -59.5 -82.5 4 23.0 -60.2 50 15 536.4 536.4 317.3 536.5 0.01 53 35 22854 -58.7 -81.7 4 23.0 -59.6 80 15 559.4 559.4 318.6 559.5 0.01 54 33 23222 -59.5 -81.5 4 22.0 -60.4 94 15 566.8 566.8 319.0 566.9 0.02 55 30 23820 -57.9 -80.9 4 23.0 -59.0 115 15 586.8 586.8 320.0 586.9 0.02 56 28 24259 -55.7 -79.7 3 24.0 -57.2 115 22 604.6 604.6 320.8 604.8 0.02 57 24 25251 -52.5 -75.5 5 23.0 -54.8 111 27 641.2 641.2 322.3 641.6 0.06 58 22 25816 -51.5 -74.5 5 23.0 -54.2 108 30 660.3 660.3 323.1 660.9 0.07 59 21 26120 -50.1 -74.1 4 24.0 -53.3 107 31 673.4 673.4 323.6 674.0 0.08 60 20 26440 -48.9 -72.9 4 24.0 -52.5 105 32 686.5 686.5 324.0 687.3 0.10 61 18 27134 -47.9 -70.9 5 23.0 -52.1 97 31 710.7 710.7 324.8 712.0 0.15 62 17 27511 -47.7 -71.7 5 24.0 -52.2 92 30 723.0 723.1 325.2 724.3 0.14 63 16 27911 -47.5 -71.5 5 24.0 -52.2 87 29 736.3 736.4 325.6 737.7 0.15 TRP 867 1363 26.4 14.4 48 12.0 18.2 220 7 312.0 314.3 296.4 348.9 11.98 WND Sounding variables and indices 1000-500 mb thick: 5843.00 m Freezing level: 558.00 mb = 5051.70 m = 16573.62 ft Wetbulb zero: 667.35 mb = 3596.94 m = 11800.85 ft Precipitable water: 1.02 inches Sfc-500 mean rel hum: 24.13 % Est. max temperature: 39.98 C = 103.96 F Sfc-Lift cond lev (LCL): 761.09 mb = 2497.03 m = 8192.24 ft T: 18.81 C 700-500 lapse rate: 6.59 C/km ThetaE index: 23.43 C Layer 867.0- 811.0 mb Conv cond level (CCL): 699.15 mb = 3215.00 m = 10547.76 ft Mean mixing ratio: 12.81 g/kg Conv temperature: 41.41 C = 106.53 F Cap Strength: 3.87 C Lifted Index: -3.08 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.43 C Lifted Index @700 mb: 1.34 C Showalter Index: 4.42 C Risk: None Total Totals Index: 41.60 C Risk: None Vertical Totals Index: 32.30 C Cross Totals Index: 9.30 C K Index: 12.90 Risk: None Sweat Index: 77.20 Risk: None Energy Index: -0.51 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1015.65 J/kg Max Up Vert Vel: 45.07 m/s Conv Inhibition (B-): 195.06 J/kg Cap Strength: 3.87 C Lift Cond Lev (LCL): 743.25 mb = 2697.71 m = 8850.65 ft Lev Free Conv (LFC): 668.25 mb = 3585.85 m = 11764.44 ft Equ Level (EL): 168.25 mb = 13566.47 m = 44508.88 ft B at Equ Level: 1011.88 J/kg Max Parcel Lev (MPL): 98.25 mb = 16730.28 m = 54888.71 ft Wind level data Storm motion: 108 at 16 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 ---------------------------------------------------------- 0 984 227 240 11 9.5 5.5 | 269 24 24.4 0.6 1 976 305 275 12 12.0 -1.0 | 282 27 26.8 -5.9 2 943 610 255 11 10.6 2.8 | 275 26 25.5 -2.0 3 925 787 260 12 11.8 2.1 | 276 27 26.7 -2.8 4 912 914 255 13 12.6 3.4 | 273 27 27.4 -1.5 5 881 1219 235 10 8.2 5.7 | 268 23 23.0 0.9 6 867 1363 220 7 4.5 5.4 | 269 19 19.4 0.5 7 850 1538 140 4 -2.6 3.1 | 278 12 12.3 -1.8 8 822 1829 90 7 -7.0 0.0 | 302 9 7.9 -4.9 9 793 2134 85 10 -10.0 -0.9 | 320 8 4.9 -5.8 10 765 2438 90 16 -16.0 0.0 | 13 5 -1.1 -4.9 11 739 2743 95 22 -21.9 1.9 | 67 8 -7.1 -3.0 12 700 3205 85 25 -24.9 -2.2 | 55 12 -10.0 -7.1 13 662 3658 80 28 -27.6 -4.9 | 53 16 -12.7 -9.7 14 614 4267 70 35 -32.9 -12.0 | 47 25 -18.0 -16.9 15 569 4877 80 26 -25.6 -4.5 | 49 14 -10.7 -9.4 16 500 5920 65 26 -23.6 -11.0 | 29 18 -8.7 -15.9 17 489 6096 60 25 -21.7 -12.5 | 21 19 -6.8 -17.4 18 401 7620 50 18 -13.8 -11.6 | 356 16 1.1 -16.4 19 400 7640 55 23 -18.8 -13.2 | 12 19 -4.0 -18.1 20 326 9144 15 25 -6.5 -24.1 | 344 30 8.4 -29.0 21 300 9740 360 22 -0.0 -22.0 | 331 31 14.9 -26.9 22 262 10668 345 17 4.4 -16.4 | 318 29 19.3 -21.3 23 250 11000 345 11 2.8 -10.6 | 311 24 17.7 -15.5 24 200 12480 270 13 13.0 -0.0 | 280 28 27.9 -4.9 25 150 14270 220 18 11.6 13.8 | 251 28 26.4 8.9 26 127 15240 195 19 4.9 18.4 | 236 24 19.8 13.5 27 100 16630 110 24 -22.6 8.2 | 113 8 -7.7 3.3 28 75 18288 240 19 16.5 9.5 | 262 32 31.3 4.6 29 70 18670 285 18 17.4 -4.7 | 286 34 32.2 -9.5 30 50 20650 190 8 1.4 7.9 | 260 17 16.2 3.0 31 45 21336 25 15 -6.3 -13.6 | 335 20 8.5 -18.5 32 30 23820 115 15 -13.6 6.3 | 221 2 1.3 1.5 33 27 24384 115 24 -21.8 10.1 | 127 9 -6.9 5.3 34 20 26440 105 32 -30.9 8.3 | 102 16 -16.1 3.4 35 16 27432 85 29 -28.9 -2.5 | 62 16 -14.0 -7.4 Wind Parameters Mean winds (0-6000m): 78.2 at 20.9 knts Storm direction: 108.2 at 15.6 knts Shear (0-3000m) pos: 1.4 neg: 4.7 tot: 6.1 10-3/s Storm rel Dir Shear (0-3000m): 146.3 deg Storm rel helicity (0-3000m) pos: 86.4 neg: -54.2 tot: 32.2 m^2/s^2 ave: 10.7 10^-3 m/s^2 rel: 0.32 Storm rel vorticity (0-3000m) horiz: 9.5 stream: 3.0 10^-3/s Energy-Hel index: 0.46 Bulk Rich Number: 7.36 Bulk Shear: 137.96 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 ------------------------------------------------------------------------------- 500 262 11 277 26| 3.8 0.0 3.8| 43.1 -23.3 19.8 39.5 0.27| 11.5 3.1 1000 256 12 275 26| 1.9 2.5 4.4| 43.1 -47.2 -4.1 -4.1 -0.02| 9.2 -0.2 1500 248 10 273 24| 1.3 5.9 7.1| 59.1 -49.1 10.0 6.7 0.12| 11.2 1.4 2000 237 9 269 23| 0.9 6.0 7.0| 72.7 -49.1 23.6 11.8 0.25| 10.3 2.6 2500 158 11 244 12| 1.6 4.8 6.5| 86.4 -49.1 37.3 14.9 0.39| 10.3 4.0 3000 108 13 290 3| 1.4 4.7 6.1| 86.4 -54.2 32.2 10.7 0.32| 9.5 3.0 4000 87 17 23 6| 1.0 4.9 5.9| 86.4 -66.3 20.1 5.0 0.22| 8.7 1.9 5000 82 20 32 9| 0.6 3.7 4.3| 90.1 -74.3 15.7 3.1 0.17| 8.1 1.4 6000 78 21 31 11| 0.5 3.1 3.5| 90.1-105.5 -15.5 -2.6 0.08| 7.4 0.6 Wrote GIF file: /home/apache/climate/data/raob//DRRN/skewt/DRRN.skewt.20250509.12.gif