UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100812.upa.cvt Date: 1200Z 8 OCT 25 Searching for DRRN... Searching the city database file for: DRRN ... Date:1200Z 8 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 109 SFC 987 227 34.6 21.6 47 13.0 25.0 210 4 308.9 312.0 298.6 359.5 16.68 2 975 338 31.4 19.4 49 12.0 22.8 197 4 306.8 309.5 296.8 351.0 14.70 3 930 760 27.4 19.4 62 8.0 21.6 138 9 306.9 309.7 297.3 353.3 15.42 4 925 808 26.8 17.8 58 9.0 20.5 140 10 306.7 309.3 296.4 348.8 14.00 5 916 894 26.4 17.4 58 9.0 20.1 136 12 307.2 309.7 296.3 348.7 13.78 6 885 1197 24.0 16.0 61 8.0 18.5 135 13 307.7 310.2 296.0 347.1 13.03 7 878 1267 23.6 15.6 61 8.0 18.1 131 15 308.0 310.4 295.9 346.7 12.80 8 876 1287 23.8 13.8 54 10.0 17.1 130 16 308.4 310.5 295.0 343.0 11.40 9 850 1551 24.4 8.4 36 16.0 14.3 100 23 311.7 313.3 293.6 336.9 8.16 10 700 3208 10.0 1.0 54 9.0 5.1 75 25 313.6 314.7 292.3 332.1 5.89 11 699 3220 9.8 0.8 53 9.0 4.9 75 25 313.5 314.6 292.2 331.7 5.81 12 651 3806 5.4 -5.6 45 11.0 0.1 78 32 314.9 315.7 291.0 327.3 3.87 13 604 4412 0.0 -6.0 64 6.0 -2.8 73 36 315.5 316.3 291.3 328.5 4.05 14 600 4465 -0.5 -5.5 69 5.0 -2.9 74 35 315.5 316.4 291.5 329.1 4.23 15 596 4519 -0.7 -5.7 69 5.0 -3.0 76 35 315.9 316.7 291.5 329.4 4.20 16 585 4668 -1.3 -9.3 54 8.0 -4.7 79 35 316.9 317.5 291.0 327.4 3.23 17 555 5087 -1.5 -16.5 31 15.0 -7.1 87 31 321.5 321.8 291.1 327.9 1.90 18 500 5910 -7.1 -14.1 57 7.0 -9.8 95 16 324.4 324.9 292.6 333.1 2.57 19 495 5988 -7.7 -13.7 62 6.0 -10.1 95 15 324.6 325.1 292.7 333.6 2.68 20 490 6067 -7.7 -15.7 53 8.0 -10.6 95 14 325.5 326.0 292.6 333.4 2.30 21 441 6879 -12.5 -27.5 27 15.0 -16.4 108 15 329.4 329.6 292.4 332.7 0.91 22 408 7471 -15.1 -39.1 11 24.0 -19.5 118 15 333.5 333.5 293.0 334.7 0.32 23 400 7620 -16.1 -39.1 12 23.0 -20.3 120 15 334.1 334.1 293.2 335.3 0.32 24 300 9720 -32.9 -39.9 50 7.0 -33.8 25 16 339.0 339.1 294.4 340.5 0.40 25 299 9743 -33.1 -41.1 45 8.0 -34.0 26 16 339.0 339.1 294.4 340.4 0.35 26 250 10970 -42.5 -60.5 12 18.0 -43.3 90 3 342.9 342.9 295.1 343.1 0.04 27 232 11471 -45.9 -64.9 10 19.0 -46.5 72 5 345.1 345.1 295.6 345.2 0.03 28 200 12440 -54.3 -67.3 19 13.0 -54.5 35 8 346.8 346.8 296.0 346.9 0.02 29 150 14230 -67.9 -77.9 23 10.0 -67.9 70 5 353.1 353.1 297.3 353.1 0.01 30 130 15075 -73.9 -80.9 33 7.0 -73.9 140 6 357.1 357.1 298.1 357.1 0.00 31 117 15685 -76.1 -83.1 32 7.0 -76.1 113 5 364.0 364.0 299.5 364.0 0.00 32 108 16143 -78.5 -85.5 31 7.0 -78.5 68 4 367.9 367.9 300.2 367.9 0.00 33 104 16357 -78.7 -85.7 31 7.0 -78.7 47 4 371.5 371.5 300.8 371.5 0.00 34 103 16412 -78.7 -85.7 31 7.0 -78.7 42 3 372.5 372.5 301.0 372.5 0.00 35 100 16580 -78.3 -85.3 31 7.0 -78.3 25 3 376.4 376.4 301.6 376.5 0.00 36 92 17059 -76.7 -84.7 27 8.0 -76.7 42 7 388.7 388.7 303.6 388.7 0.00 37 85 17515 -76.9 -84.9 27 8.0 -76.9 58 11 397.2 397.2 304.8 397.2 0.00 38 82 17722 -76.1 -85.1 23 9.0 -76.2 65 13 402.9 402.9 305.6 402.9 0.00 39 77 18090 -71.9 -81.9 21 10.0 -72.0 78 16 419.0 419.0 307.6 419.0 0.01 40 71 18567 -73.7 -86.7 12 13.0 -73.7 124 12 425.0 425.0 308.3 425.0 0.00 41 70 18650 -73.7 -85.7 14 12.0 -73.7 135 10 426.7 426.7 308.5 426.7 0.00 42 64 19174 -71.5 -84.5 13 13.0 -71.6 127 13 442.6 442.6 310.1 442.6 0.00 43 55 20075 -67.3 -87.3 4 20.0 -67.5 113 19 471.9 471.9 312.8 471.9 0.00 44 54 20186 -67.1 -89.1 3 22.0 -67.3 112 19 474.8 474.8 313.0 474.8 0.00 45 50 20650 -66.1 -88.1 3 22.0 -66.4 105 22 487.7 487.7 314.1 487.7 0.00 46 46 21157 -65.9 -87.9 3 22.0 -66.2 116 26 500.0 500.0 314.9 500.0 0.00 47 43 21567 -65.1 -87.1 3 22.0 -65.4 118 29 511.7 511.7 315.8 511.7 0.00 48 38 22323 -64.1 -86.1 3 22.0 -64.6 112 36 532.6 532.6 317.1 532.7 0.01 49 31 23577 -62.1 -84.1 4 22.0 -62.8 102 47 570.0 570.0 319.2 570.0 0.01 50 30 23780 -61.9 -83.9 4 22.0 -62.6 100 49 575.9 575.9 319.5 576.0 0.01 51 28 24208 -61.1 -83.1 4 22.0 -61.9 100 49 589.6 589.6 320.1 589.7 0.01 52 26 24670 -59.1 -81.1 4 22.0 -60.2 607.9 607.9 321.0 608.1 0.02 53 23 25443 -56.7 -78.7 5 22.0 -58.3 636.7 636.7 322.2 636.9 0.04 TRP 876 1287 23.8 13.8 54 10.0 17.1 130 16 308.4 310.5 295.0 343.0 11.40 WND Sounding variables and indices 1000-500 mb thick: 5801.00 m Freezing level: 604.00 mb = 4412.16 m = 14475.43 ft Wetbulb zero: 648.80 mb = 3833.16 m = 12575.82 ft Precipitable water: 1.49 inches Sfc-500 mean rel hum: 49.02 % Est. max temperature: 37.57 C = 99.62 F Sfc-Lift cond lev (LCL): 819.00 mb = 1868.08 m = 6128.78 ft T: 21.64 C 700-500 lapse rate: 6.33 C/km ThetaE index: 25.94 C Layer 925.0- 604.0 mb Conv cond level (CCL): 749.51 mb = 2624.75 m = 8611.27 ft Mean mixing ratio: 14.52 g/kg Conv temperature: 38.67 C = 101.61 F Cap Strength: 4.78 C Lifted Index: -4.48 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -5.03 C Lifted Index @700 mb: -0.86 C Showalter Index: 0.97 C Risk: Thunderstorms probable Total Totals Index: 47.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 31.50 C Cross Totals Index: 15.50 C K Index: 30.90 Risk: 60-80 % chance of thunderstorms Sweat Index: 162.80 Risk: None Energy Index: -0.74 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1444.30 J/kg Max Up Vert Vel: 53.75 m/s Conv Inhibition (B-): 176.01 J/kg Cap Strength: 4.78 C Lift Cond Lev (LCL): 813.59 mb = 1924.61 m = 6314.26 ft Lev Free Conv (LFC): 708.59 mb = 3103.88 m = 10183.20 ft Equ Level (EL): 168.59 mb = 13502.95 m = 44300.48 ft B at Equ Level: 1444.30 J/kg Max Parcel Lev (MPL): 88.59 mb = 17276.46 m = 56680.62 ft Wind level data Storm motion: 114 at 17 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 ---------------------------------------------------------- 0 987 227 210 4 2.0 3.5 | 281 18 17.9 -3.5 1 978 305 205 4 1.7 3.6 | 281 18 17.6 -3.3 2 946 610 130 5 -3.8 3.2 | 287 13 12.0 -3.7 3 925 808 140 10 -6.4 7.7 | 266 9 9.4 0.7 4 914 914 135 12 -8.5 8.5 | 258 8 7.4 1.5 5 883 1219 135 13 -9.2 9.2 | 251 7 6.7 2.3 6 876 1287 130 16 -12.3 10.3 | 227 5 3.6 3.3 7 850 1551 100 23 -22.7 4.0 | 67 7 -6.8 -2.9 8 823 1829 85 18 -17.9 -1.6 | 14 9 -2.1 -8.5 9 794 2134 65 24 -21.8 -10.1 | 19 18 -5.9 -17.1 10 766 2438 70 23 -21.6 -7.9 | 21 16 -5.8 -14.8 11 739 2743 75 24 -23.2 -6.2 | 29 15 -7.3 -13.1 12 700 3208 75 25 -24.1 -6.5 | 32 16 -8.3 -13.4 13 662 3658 80 31 -30.5 -5.4 | 50 19 -14.7 -12.3 14 614 4267 70 36 -33.8 -12.3 | 43 26 -18.0 -19.2 15 569 4877 85 34 -33.9 -3.0 | 61 21 -18.0 -9.9 16 500 5910 95 16 -15.9 1.4 | 1 6 -0.1 -5.5 17 488 6096 95 14 -13.9 1.2 | 341 6 1.9 -5.7 18 400 7620 120 15 -13.0 7.5 | 259 3 2.9 0.6 19 400 7620 125 17 -13.9 9.8 | 214 3 1.9 2.8 20 325 9144 75 7 -6.8 -1.8 | 314 13 9.1 -8.7 21 300 9720 25 16 -6.8 -14.5 | 337 23 9.1 -21.4 22 261 10668 50 5 -3.8 -3.2 | 310 16 12.0 -10.1 23 250 10970 90 3 -3.0 0.0 | 298 15 12.9 -6.9 24 200 12440 35 8 -4.6 -6.6 | 320 18 11.3 -13.5 25 150 14230 70 5 -4.7 -1.7 | 308 14 11.2 -8.6 26 126 15240 155 6 -2.5 5.4 | 276 13 13.3 -1.5 27 100 16580 25 3 -1.3 -2.7 | 303 17 14.6 -9.7 28 75 18288 85 18 -17.9 -1.6 | 14 9 -2.1 -8.5 29 70 18650 135 10 -7.1 7.1 | 269 9 8.8 0.1 30 50 20650 105 22 -21.3 5.7 | 77 6 -5.4 -1.2 31 45 21336 120 27 -23.4 13.5 | 131 10 -7.5 6.6 32 30 23780 100 49 -48.3 8.5 | 93 32 -32.4 1.6 33 26 24384 100 48 -47.3 8.3 | 93 31 -31.4 1.4 Wind Parameters Mean winds (0-6000m): 83.6 at 23.1 knts Storm direction: 113.6 at 17.3 knts Shear (0-3000m) pos: 0.7 neg: 4.6 tot: 5.3 10-3/s Storm rel Dir Shear (0-3000m): 111.6 deg Storm rel helicity (0-3000m) pos: 24.2 neg: -41.7 tot: -17.4 m^2/s^2 ave: -5.8 10^-3 m/s^2 rel: -0.37 Storm rel vorticity (0-3000m) horiz: 9.0 stream: -3.3 10^-3/s Energy-Hel index: 0.09 Bulk Rich Number: 21.95 Bulk Shear: 65.79 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 ------------------------------------------------------------------------------- 500 158 5 280 14| 0.0 8.1 8.1| 5.7 -7.7 -1.9 -3.9 -0.08| 9.3 -0.8 1000 142 8 272 11| 0.0 6.7 6.7| 5.7 -17.1 -11.4 -11.4 -0.33| 7.5 -2.5 1500 123 12 274 6| 0.0 7.6 7.6| 5.7 -35.6 -29.8 -19.9 -0.62| 12.0 -7.4 2000 104 14 331 4| 0.0 6.9 6.9| 9.8 -41.7 -31.9 -16.0 -0.49| 12.1 -5.9 2500 93 16 4 6| 0.7 5.6 6.3| 19.9 -41.7 -21.8 -8.7 -0.40| 10.5 -4.2 3000 89 18 14 8| 0.7 4.6 5.3| 24.2 -41.7 -17.4 -5.8 -0.37| 9.0 -3.3 4000 83 21 29 11| 1.3 4.2 5.4| 47.3 -55.6 -8.3 -2.1 -0.26| 8.4 -2.2 5000 82 24 37 13| 1.5 3.3 4.8| 90.8 -60.2 30.6 6.1 -0.13| 8.3 -1.1 6000 84 23 37 12| 1.7 2.8 4.5| 90.8 -79.4 11.4 1.9 -0.21| 8.2 -1.7 Wrote GIF file: /home/apache/climate/data/raob//DRRN/skewt/DRRN.skewt.20251008.12.gif