UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100712.upa.cvt Date: 1200Z 7 OCT 25 Searching for DRRN... Searching the city database file for: DRRN ... Date:1200Z 7 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 132 SFC 989 227 32.0 23.0 59 9.0 25.3 200 6 306.1 309.5 298.8 360.7 18.17 2 977 337 28.0 20.0 62 8.0 22.3 217 10 303.2 306.0 296.3 348.3 15.23 3 954 550 26.0 20.0 70 6.0 21.7 227 7 303.2 306.1 296.5 349.5 15.61 4 927 806 25.0 17.0 61 8.0 19.5 307 3 304.7 307.1 295.3 344.3 13.26 5 925 825 25.0 17.0 61 8.0 19.5 315 3 304.9 307.3 295.4 344.6 13.29 6 906 1008 25.8 13.8 47 12.0 17.8 6 7 307.5 309.6 294.5 340.8 11.01 7 892 1144 24.8 11.8 44 13.0 16.3 15 12 307.8 309.7 293.7 337.5 9.79 8 873 1333 23.8 11.8 47 12.0 16.0 25 16 308.7 310.6 294.1 339.2 10.01 9 850 1566 22.4 11.4 50 11.0 15.2 45 23 309.6 311.5 294.4 340.2 10.01 10 746 2683 13.2 7.2 67 6.0 9.5 59 21 311.4 313.0 293.8 337.8 8.57 11 700 3215 9.6 1.6 57 8.0 5.2 80 31 313.1 314.3 292.3 332.4 6.15 12 625 4145 3.8 -8.2 41 12.0 -1.6 90 34 316.8 317.4 291.0 327.5 3.30 13 600 4476 1.6 -9.4 44 11.0 -3.2 88 33 318.0 318.6 291.2 328.2 3.12 14 583 4707 0.0 -7.0 59 7.0 -3.3 87 32 318.7 319.5 292.1 331.3 3.88 15 519 5628 -5.9 -9.6 75 3.7 -7.5 92 24 322.4 323.1 292.9 334.2 3.56 16 500 5920 -7.1 -11.7 70 4.6 -9.0 95 21 324.4 325.0 293.0 334.8 3.12 17 498 5951 -6.9 -12.9 62 6.0 -9.3 95 21 325.0 325.6 292.9 334.6 2.85 18 449 6753 -10.9 -19.9 47 9.0 -13.9 93 17 329.7 330.1 293.3 335.9 1.76 19 419 7280 -14.9 -19.4 68 4.5 -16.4 91 14 331.2 331.6 293.9 338.1 1.96 20 400 7630 -17.3 -23.3 60 6.0 -19.0 75 10 332.5 332.8 293.7 337.7 1.46 21 351 8600 -23.5 -32.5 43 9.0 -25.2 97 10 336.8 336.9 294.2 339.5 0.71 22 313 9428 -29.9 -33.8 69 3.9 -30.6 108 10 339.1 339.2 294.7 341.8 0.70 23 301 9706 -31.7 -36.7 61 5.0 -32.4 105 11 340.4 340.5 294.9 342.5 0.55 24 300 9730 -31.7 -36.7 61 5.0 -32.4 105 11 340.7 340.8 295.0 342.8 0.55 25 269 10491 -38.1 -40.9 75 2.8 -38.4 129 15 342.2 342.3 295.2 343.7 0.40 26 250 10990 -42.3 -45.5 71 3.2 -42.5 120 17 343.2 343.2 295.3 344.2 0.26 27 213 12046 -51.5 -56.5 55 5.0 -51.7 142 8 344.9 345.0 295.6 345.3 0.09 28 206 12261 -53.1 -57.1 62 4.0 -53.2 146 6 345.7 345.8 295.8 346.1 0.08 29 200 12450 -54.5 -59.1 57 4.6 -54.6 150 4 346.5 346.5 295.9 346.7 0.07 30 181 13081 -59.7 -64.7 52 5.0 -59.8 193 8 348.0 348.0 296.2 348.2 0.04 31 163 13727 -65.1 -69.1 58 4.0 -65.1 239 12 349.5 349.5 296.5 349.6 0.02 32 151 14190 -67.3 -72.3 49 5.0 -67.4 272 15 353.5 353.5 297.4 353.5 0.01 33 150 14230 -67.1 -73.1 42 6.0 -67.1 275 15 354.5 354.5 297.6 354.6 0.01 34 140 14645 -68.1 -75.1 36 7.0 -68.1 207 17 359.8 359.8 298.7 359.9 0.01 35 118 15653 -75.7 -79.7 53 4.0 -75.7 138 14 363.8 363.8 299.4 363.9 0.01 36 116 15751 -76.1 -80.1 53 4.0 -76.1 147 13 364.9 364.9 299.7 364.9 0.01 37 108 16165 -74.7 -79.7 46 5.0 -74.7 182 8 375.1 375.1 301.4 375.1 0.01 38 107 16219 -74.7 -79.7 46 5.0 -74.7 187 8 376.1 376.1 301.6 376.1 0.01 39 100 16610 -77.1 -82.1 45 5.0 -77.1 220 3 378.8 378.8 302.1 378.8 0.00 40 91 17148 -80.5 -84.7 49 4.2 -80.5 191 5 382.4 382.4 302.6 382.4 0.00 41 89 17273 -81.1 -85.4 48 4.3 -81.1 184 5 383.6 383.6 302.8 383.6 0.00 42 81 17814 -74.1 -81.1 33 7.0 -74.2 155 7 408.4 408.4 306.3 408.5 0.01 43 70 18670 -72.1 -80.1 29 8.0 -72.2 120 21 430.1 430.1 308.9 430.2 0.01 44 57 19891 -67.5 -78.5 19 11.0 -67.7 108 23 466.6 466.6 312.4 466.7 0.01 45 50 20680 -66.7 -80.7 12 14.0 -66.9 100 25 486.3 486.3 314.0 486.4 0.01 46 44 21452 -65.9 -80.9 11 15.0 -66.2 104 28 506.4 506.4 315.4 506.4 0.01 47 38 22337 -67.3 -83.3 9 16.0 -67.6 99 39 524.5 524.5 316.6 524.5 0.01 48 34 23008 -66.1 -84.1 6 18.0 -66.5 95 46 544.6 544.6 317.8 544.7 0.01 49 30 23770 -63.7 -83.7 5 20.0 -64.3 90 55 571.0 571.0 319.2 571.1 0.01 50 27 24423 -59.7 -80.7 5 21.0 -60.7 90 57 599.7 599.7 320.6 599.8 0.02 51 23 25435 -55.5 -77.5 5 22.0 -57.3 90 62 640.2 640.2 322.3 640.5 0.04 52 20 26340 -48.7 -72.7 5 24.0 -52.4 90 67 687.1 687.2 324.0 688.0 0.10 53 17 27411 -47.1 -70.1 5 23.0 -51.7 85 64 724.9 725.0 325.3 726.5 0.18 54 15 28243 -44.7 -68.7 5 24.0 -50.6 93 61 759.3 759.4 326.3 761.6 0.25 55 12 29737 -43.7 -66.7 6 23.0 -50.7 108 57 812.9 813.1 327.7 817.0 0.40 56 11 30320 -44.9 -66.9 7 22.0 -51.7 114 55 829.0 829.3 328.0 833.5 0.43 57 10 30960 -42.5 -65.5 6 23.0 -50.7 120 53 860.9 861.2 328.8 867.1 0.57 58 8.8 31837 -35.5 920.1 TRP 873 1333 23.8 11.8 47 12.0 16.0 25 16 308.7 310.6 294.1 339.2 10.01 WND Sounding variables and indices 1000-500 mb thick: 5788.00 m Freezing level: 583.00 mb = 4706.75 m = 15441.91 ft Wetbulb zero: 642.89 mb = 3913.80 m = 12840.40 ft Precipitable water: 1.66 inches Sfc-500 mean rel hum: 57.61 % Est. max temperature: 35.67 C = 96.21 F Sfc-Lift cond lev (LCL): 868.87 mb = 1374.46 m = 4509.34 ft T: 23.55 C 700-500 lapse rate: 6.17 C/km ThetaE index: 12.66 C Layer 746.0- 600.0 mb Conv cond level (CCL): 758.70 mb = 2538.23 m = 8327.42 ft Mean mixing ratio: 13.71 g/kg Conv temperature: 37.04 C = 98.67 F Cap Strength: 4.75 C Lifted Index: -2.67 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.08 C Lifted Index @700 mb: 0.15 C Showalter Index: -0.38 C Risk: Thunderstorms probable Total Totals Index: 48.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 29.50 C Cross Totals Index: 18.50 C K Index: 32.90 Risk: 60-80 % chance of thunderstorms Sweat Index: 203.80 Risk: None Energy Index: -1.05 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 551.79 J/kg Max Up Vert Vel: 33.22 m/s Conv Inhibition (B-): 208.52 J/kg Cap Strength: 4.75 C Lift Cond Lev (LCL): 827.65 mb = 1794.00 m = 5885.75 ft Lev Free Conv (LFC): 682.65 mb = 3421.08 m = 11223.90 ft Equ Level (EL): 202.65 mb = 12365.90 m = 40570.05 ft B at Equ Level: 546.04 J/kg Max Parcel Lev (MPL): 122.65 mb = 15424.99 m = 50606.31 ft Wind level data Storm motion: 107 at 18 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 ---------------------------------------------------------- 0 989 227 200 6 2.1 5.6 | 269 19 19.3 0.4 1 980 305 215 10 5.7 8.2 | 263 23 22.9 2.9 2 948 610 230 6 4.6 3.9 | 274 22 21.8 -1.4 3 925 825 315 3 2.1 -2.1 | 291 21 19.3 -7.4 4 916 914 360 4 -0.0 -4.0 | 298 20 17.2 -9.2 5 884 1219 20 14 -4.8 -13.2 | 326 22 12.4 -18.4 6 873 1333 25 16 -6.8 -14.5 | 332 22 10.5 -19.7 7 850 1566 45 23 -16.3 -16.3 | 357 22 1.0 -21.5 8 824 1829 45 26 -18.4 -18.4 | 3 24 -1.2 -23.6 9 795 2134 45 25 -17.7 -17.7 | 1 23 -0.5 -22.9 10 767 2438 55 23 -18.8 -13.2 | 5 19 -1.6 -18.4 11 740 2743 60 21 -18.2 -10.5 | 4 16 -1.0 -15.7 12 700 3215 80 31 -30.5 -5.4 | 51 17 -13.3 -10.6 13 663 3658 90 34 -34.0 0.0 | 73 18 -16.8 -5.2 14 614 4267 90 34 -34.0 0.0 | 73 18 -16.8 -5.2 15 569 4877 85 31 -30.9 -2.7 | 60 16 -13.7 -8.0 16 500 5920 95 21 -20.9 1.8 | 47 5 -3.7 -3.4 17 489 6096 95 21 -20.9 1.8 | 47 5 -3.7 -3.4 18 401 7620 90 12 -12.0 0.0 | 315 7 5.2 -5.2 19 400 7630 75 10 -9.7 -2.6 | 316 11 7.6 -7.8 20 325 9144 110 10 -9.4 3.4 | 283 8 7.8 -1.8 21 300 9730 105 11 -10.6 2.8 | 290 7 6.6 -2.4 22 262 10668 135 16 -11.3 11.3 | 224 8 5.9 6.1 23 250 10990 120 17 -14.7 8.5 | 217 4 2.5 3.3 24 200 12450 150 4 -2.0 3.5 | 277 15 15.2 -1.8 25 150 14230 275 15 14.9 -1.3 | 282 33 32.2 -6.6 26 126 15240 105 19 -18.4 4.9 | 74 1 -1.1 -0.3 27 100 16610 220 3 1.9 2.3 | 279 19 19.1 -3.0 28 75 18288 130 8 -6.1 5.1 | 271 11 11.1 -0.1 29 70 18670 120 21 -18.2 10.5 | 170 5 -1.0 5.3 30 50 20680 100 25 -24.6 4.3 | 83 7 -7.4 -0.9 31 45 21336 105 27 -26.1 7.0 | 101 9 -8.9 1.7 32 30 23770 90 55 -55.0 0.0 | 82 38 -37.8 -5.2 33 27 24384 90 57 -57.0 0.0 | 82 40 -39.8 -5.2 34 20 26340 90 67 -67.0 0.0 | 84 50 -49.8 -5.2 35 17 27432 85 64 -63.8 -5.6 | 77 48 -46.5 -10.8 36 10 30960 120 53 -45.9 26.5 | 127 36 -28.7 21.3 Wind Parameters Mean winds (0-6000m): 77.0 at 24.0 knts Storm direction: 107.0 at 18.0 knts Shear (0-3000m) pos: 5.9 neg: 0.0 tot: 5.9 10-3/s Storm rel Dir Shear (0-3000m): 143.1 deg Storm rel helicity (0-3000m) pos: 280.5 neg: -16.6 tot: 263.9 m^2/s^2 ave: 88.0 10^-3 m/s^2 rel: 0.75 Storm rel vorticity (0-3000m) horiz: 11.3 stream: 8.5 10^-3/s Energy-Hel index: 0.75 Bulk Rich Number: 4.52 Bulk Shear: 121.97 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 ------------------------------------------------------------------------------- 500 223 7 270 22| 6.7 0.0 6.7| 49.3 -10.9 38.4 76.9 0.50| 13.1 6.6 1000 284 7 286 25| 10.4 0.0 10.4|133.2 -10.9 122.3 122.3 0.75| 14.9 11.1 1500 27 12 322 20| 10.4 0.0 10.4|210.7 -10.9 199.8 133.2 0.82| 14.6 12.0 2000 38 15 335 19| 7.7 0.0 7.7|218.4 -14.9 203.5 101.7 0.77| 11.9 9.1 2500 43 17 342 18| 5.4 0.0 5.4|223.0 -16.6 206.4 82.6 0.69| 10.7 7.4 3000 51 18 350 17| 5.9 0.0 5.9|280.5 -16.6 263.9 88.0 0.75| 11.3 8.5 4000 68 22 14 14| 4.7 0.0 4.7|308.8 -16.6 292.3 73.1 0.78| 9.2 7.2 5000 74 24 26 13| 3.3 0.3 3.6|309.0 -32.9 276.0 55.2 0.65| 8.2 5.4 6000 77 24 30 12| 2.1 0.3 2.4|309.0 -36.9 272.1 45.3 0.57| 7.5 4.3 Wrote GIF file: /home/apache/climate/data/raob//DRRN/skewt/DRRN.skewt.20251007.12.gif