UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050712.upa.cvt Date: 1200Z 7 MAY 25 Searching for DRRN... Searching the city database file for: DRRN ... Date:1200Z 7 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 100 SFC 986 227 38.4 20.4 35 18.0 25.2 290 12 312.8 315.8 298.8 360.5 15.48 2 974 340 35.0 19.0 39 16.0 23.5 283 12 310.5 313.2 297.5 354.3 14.34 3 925 808 30.4 18.4 49 12.0 21.8 270 9 310.4 313.1 297.7 354.8 14.55 4 922 837 30.2 18.2 49 12.0 21.6 271 9 310.5 313.2 297.6 354.5 14.41 5 917 886 29.6 17.6 49 12.0 21.1 274 9 310.3 313.0 297.3 352.9 13.94 6 897 1082 27.6 17.6 54 10.0 20.5 290 12 310.2 312.9 297.4 353.7 14.26 7 864 1414 24.6 15.6 57 9.0 18.4 309 8 310.5 312.9 296.7 350.2 13.01 8 850 1557 23.6 14.6 57 9.0 17.4 320 4 310.9 313.2 296.4 348.8 12.39 9 700 3215 10.8 -7.2 28 18.0 2.3 90 14 314.4 315.1 290.2 324.7 3.18 10 652 3803 7.2 -18.8 14 26.0 -2.3 77 26 316.8 317.1 289.2 321.3 1.33 11 600 4481 2.2 -15.8 25 18.0 -4.7 80 25 318.7 319.0 290.2 324.9 1.86 12 566 4950 0.0 -12.0 40 12.0 -5.0 71 27 321.4 322.0 291.8 330.4 2.69 13 529 5487 -4.9 -12.9 53 8.0 -8.1 79 22 321.8 322.4 291.9 330.8 2.68 14 520 5622 -5.3 -15.3 45 10.0 -9.1 80 21 322.9 323.4 291.9 330.5 2.24 15 515 5698 -5.1 -19.1 32 14.0 -9.9 82 20 324.1 324.4 291.6 329.7 1.64 16 511 5759 -5.3 -19.3 32 14.0 -10.1 82 20 324.6 324.9 291.7 330.2 1.62 17 502 5899 -5.7 -21.7 27 16.0 -10.8 85 18 325.7 326.0 291.8 330.4 1.34 18 500 5930 -5.5 -23.5 23 18.0 -11.1 85 18 326.3 326.6 291.8 330.4 1.15 19 400 7640 -16.3 -45.3 6 29.0 -20.7 50 19 333.8 333.8 292.9 334.5 0.17 20 394 7753 -16.9 -45.9 6 29.0 -21.2 45 19 334.5 334.5 293.1 335.1 0.16 21 374 8142 -19.7 -42.7 11 23.0 -23.2 27 20 335.8 335.8 293.5 336.7 0.24 22 300 9740 -30.9 -64.9 2 34.0 -33.0 335 29 341.8 341.8 294.8 341.9 0.02 23 293 9908 -31.9 -65.9 2 34.0 -33.8 332 29 342.7 342.7 295.0 342.8 0.02 24 277 10303 -35.1 -51.1 18 16.0 -36.4 326 30 343.7 343.7 295.3 344.2 0.13 25 252 10956 -40.7 -46.7 52 6.0 -41.2 312 26 344.8 344.8 295.7 345.7 0.23 26 250 11010 -41.3 -47.3 52 6.0 -41.8 310 25 344.7 344.7 295.6 345.5 0.21 27 230 11572 -46.1 -55.1 35 9.0 -46.5 308 25 345.7 345.7 295.7 346.1 0.09 28 200 12490 -53.5 -66.5 19 13.0 -53.8 305 25 348.0 348.1 296.2 348.2 0.02 29 198 12554 -54.1 -67.1 19 13.0 -54.4 307 24 348.1 348.1 296.3 348.2 0.02 30 150 14270 -68.3 -73.3 49 5.0 -68.4 15 7 352.4 352.4 297.2 352.5 0.01 31 143 14555 -70.5 -75.4 48 4.9 -70.5 52 7 353.4 353.4 297.4 353.5 0.01 32 129 15158 -75.3 -80.3 45 5.0 -75.3 132 7 355.4 355.4 297.8 355.4 0.00 33 114 15867 -78.5 -82.6 51 4.1 -78.5 152 21 362.2 362.2 299.1 362.2 0.00 34 112 15968 -78.9 -83.2 49 4.3 -78.9 153 24 363.3 363.3 299.4 363.3 0.00 35 109 16122 -78.7 -83.7 44 5.0 -78.7 155 27 366.5 366.5 299.9 366.5 0.00 36 100 16610 -80.7 -84.9 49 4.2 -80.7 160 39 371.8 371.8 300.9 371.8 0.00 37 99 16667 -80.9 -85.2 48 4.3 -80.9 163 38 372.5 372.5 301.0 372.5 0.00 38 97 16781 -80.9 -85.5 46 4.6 -80.9 168 36 374.7 374.7 301.4 374.7 0.00 39 80 17875 -77.1 -84.1 32 7.0 -77.1 217 19 403.7 403.7 305.7 403.7 0.00 40 70 18640 -77.7 -86.7 22 9.0 -77.7 285 4 418.2 418.2 307.5 418.2 0.00 41 50 20630 -65.9 -81.9 9 16.0 -66.1 230 11 488.2 488.2 314.1 488.2 0.01 42 35 22827 -60.1 -82.1 4 22.0 -60.9 51 23 555.7 555.8 318.4 555.8 0.01 43 32 23387 -59.7 -80.7 5 21.0 -60.6 80 29 571.2 571.3 319.2 571.4 0.02 44 30 23790 -60.5 -81.5 5 21.0 -61.3 100 33 579.7 579.7 319.6 579.8 0.02 45 28 24221 -59.1 -80.1 5 21.0 -60.2 96 29 595.2 595.2 320.4 595.3 0.02 46 25 24939 -54.1 -77.1 4 23.0 -56.1 94 29 629.1 629.1 321.9 629.4 0.04 47 23 25475 -52.3 -75.3 5 23.0 -54.8 92 31 649.6 649.6 322.7 650.1 0.06 48 22 25762 -53.3 -75.3 5 22.0 -55.6 92 31 654.9 655.0 322.9 655.4 0.06 49 20 26380 -49.7 -72.7 5 23.0 -53.1 90 33 684.0 684.1 323.9 684.9 0.10 50 13 29222 -46.1 -68.1 7 22.0 -51.8 786.2 786.3 327.0 789.2 0.31 51 12 29755 -45.3 -68.3 6 23.0 -51.7 807.2 807.4 327.5 810.5 0.32 52 12 29755 -44.7 -67.7 6 23.0 -51.3 809.4 809.5 327.5 812.9 0.35 53 11 30339 -43.5 -67.5 5 24.0 -51.0 834.1 834.3 328.1 838.2 0.40 54 11 30339 -43.9 -68.9 5 25.0 -51.3 832.7 832.8 328.1 836.0 0.32 TRP 897 1082 27.6 17.6 54 10.0 20.5 290 12 310.2 312.9 297.4 353.7 14.26 WND Sounding variables and indices 1000-500 mb thick: 5830.00 m Freezing level: 566.00 mb = 4950.12 m = 16240.36 ft Wetbulb zero: 675.95 mb = 3504.51 m = 11497.59 ft Precipitable water: 1.42 inches Sfc-500 mean rel hum: 37.91 % Est. max temperature: 36.79 C = 98.23 F Sfc-Lift cond lev (LCL): 762.54 mb = 2484.25 m = 8150.34 ft T: 16.44 C 700-500 lapse rate: 6.00 C/km ThetaE index: 32.42 C Layer 864.0- 600.0 mb Conv cond level (CCL): 743.65 mb = 2698.42 m = 8852.96 ft Mean mixing ratio: 14.37 g/kg Conv temperature: 38.98 C = 102.17 F Cap Strength: 1.99 C Lifted Index: -4.08 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -4.87 C Lifted Index @700 mb: -1.00 C Showalter Index: -2.12 C Risk: Severe thunderstorms possible Total Totals Index: 49.20 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 29.10 C Cross Totals Index: 20.10 C K Index: 25.70 Risk: 40-60 % chance of thunderstorms Sweat Index: 205.20 Risk: None Energy Index: -3.52 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1779.95 J/kg Max Up Vert Vel: 59.66 m/s Conv Inhibition (B-): 54.64 J/kg Cap Strength: 2.27 C Lift Cond Lev (LCL): 773.97 mb = 2357.18 m = 7733.43 ft Lev Free Conv (LFC): 718.97 mb = 2986.65 m = 9798.61 ft Equ Level (EL): 128.97 mb = 15159.27 m = 49734.52 ft B at Equ Level: 1758.74 J/kg Max Parcel Lev (MPL): 78.97 mb = 17949.52 m = 58888.80 ft Wind level data Storm motion: 105 at 13 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 ---------------------------------------------------------- 0 986 227 290 12 11.3 -4.1 | 287 25 23.7 -7.4 1 978 305 285 12 11.6 -3.1 | 285 25 24.0 -6.5 2 945 610 265 11 11.0 1.0 | 276 23 23.4 -2.4 3 925 808 270 9 9.0 -0.0 | 279 22 21.4 -3.3 4 914 914 275 9 9.0 -0.8 | 281 22 21.4 -4.1 5 897 1082 290 12 11.3 -4.1 | 287 25 23.7 -7.4 6 883 1219 295 13 11.8 -5.5 | 290 26 24.2 -8.8 7 850 1557 320 4 2.6 -3.1 | 293 16 15.0 -6.4 8 823 1829 75 4 -3.9 -1.0 | 297 10 8.5 -4.4 9 795 2134 100 14 -13.8 2.4 | 57 2 -1.4 -0.9 10 767 2438 75 14 -13.5 -3.6 | 9 7 -1.1 -7.0 11 740 2743 85 13 -13.0 -1.1 | 7 5 -0.6 -4.5 12 700 3215 90 14 -14.0 0.0 | 26 4 -1.6 -3.3 13 663 3658 75 27 -26.1 -7.0 | 53 17 -13.7 -10.3 14 614 4267 85 24 -23.9 -2.1 | 65 13 -11.5 -5.4 15 570 4877 70 28 -26.3 -9.6 | 47 19 -13.9 -12.9 16 500 5930 85 18 -17.9 -1.6 | 48 7 -5.5 -4.9 17 489 6096 70 13 -12.2 -4.4 | 359 8 0.2 -7.8 18 401 7620 50 18 -13.8 -11.6 | 5 15 -1.4 -14.9 19 400 7640 50 19 -14.6 -12.2 | 8 16 -2.2 -15.6 20 326 9144 340 22 7.5 -20.7 | 320 31 19.9 -24.0 21 300 9740 335 29 12.3 -26.3 | 320 39 24.7 -29.6 22 263 10668 320 30 19.3 -23.0 | 310 41 31.7 -26.3 23 250 11010 310 25 19.2 -16.1 | 302 37 31.6 -19.4 24 200 12490 305 25 20.5 -14.3 | 298 37 32.9 -17.7 25 150 14270 15 7 -1.8 -6.8 | 314 15 10.6 -10.1 26 127 15240 145 7 -4.0 5.7 | 254 9 8.4 2.4 27 100 16610 160 39 -13.3 36.6 | 178 33 -0.9 33.3 28 74 18288 235 13 10.6 7.5 | 260 23 23.0 4.1 29 70 18640 285 4 3.9 -1.0 | 285 17 16.3 -4.4 30 50 20630 230 11 8.4 7.1 | 260 21 20.8 3.7 31 45 21336 335 7 3.0 -6.3 | 302 18 15.4 -9.7 32 30 23790 100 33 -32.5 5.7 | 97 20 -20.1 2.4 33 27 24384 95 28 -27.9 2.4 | 87 16 -15.5 -0.9 34 20 26380 90 33 -33.0 0.0 | 81 21 -20.6 -3.3 35 15 27432 85 34 -33.9 -3.0 | 74 22 -21.5 -6.3 Wind Parameters Mean winds (0-6000m): 75.1 at 17.1 knts Storm direction: 105.1 at 12.8 knts Shear (0-3000m) pos: 4.3 neg: 0.5 tot: 4.8 10-3/s Storm rel Dir Shear (0-3000m): 102.1 deg Storm rel helicity (0-3000m) pos: 64.4 neg: -38.0 tot: 26.4 m^2/s^2 ave: 8.8 10^-3 m/s^2 rel: 0.19 Storm rel vorticity (0-3000m) horiz: 8.8 stream: 1.7 10^-3/s Energy-Hel index: 0.70 Bulk Rich Number: 17.14 Bulk Shear: 103.84 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 ------------------------------------------------------------------------------- 500 275 11 281 24| 0.0 4.8 4.8| 3.8 -31.1 -27.3 -54.6 -0.67| 6.4 -4.3 1000 279 11 282 24| 3.1 2.4 5.6| 35.9 -31.1 4.8 4.8 0.07| 6.8 0.5 1500 286 10 285 22| 4.3 1.6 5.9| 55.5 -31.9 23.7 15.8 0.18| 9.4 1.7 2000 291 9 288 22| 6.1 1.2 7.3| 62.7 -35.5 27.2 13.6 0.23| 11.1 2.6 2500 340 10 309 21| 4.9 0.5 5.4| 62.7 -38.0 24.7 9.9 0.16| 10.2 1.7 3000 50 11 338 11| 4.3 0.5 4.8| 64.4 -38.0 26.4 8.8 0.19| 8.8 1.7 4000 73 14 9 8| 3.1 1.6 4.7| 79.6 -38.5 41.2 10.3 0.22| 8.9 1.9 5000 74 17 25 9| 2.3 1.7 4.0| 82.3 -57.3 25.0 5.0 0.14| 8.2 1.1 6000 75 17 28 9| 1.7 1.1 2.8| 83.7 -70.3 13.4 2.2 0.05| 8.1 0.4 Wrote GIF file: /home/apache/climate/data/raob//DRRN/skewt/DRRN.skewt.20250507.12.gif