UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025051218.upa.cvt Date: 1800Z 12 MAY 25 Searching for DRRN... Searching the city database file for: DRRN ... Date:1800Z 12 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 46 SFC 981 227 44.4 7.4 11 37.0 20.6 70 7 319.3 320.6 294.4 340.4 6.59 TRP WND Sounding variables and indices Sfc-500 mean rel hum: -nan % Est. max temperature: -273.15 C = -459.67 F Sfc-Lift cond lev (LCL): 578.67 mb = -9999.00 m = -9999.00 ft T: -9999.00 C ThetaE index: 0.00 C Layer 981.0- -0.0 mb Conv cond level (CCL): None Cap Strength: -9725.85 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 100214.80 J/kg Max Up Vert Vel: 447.69 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 317.55 C Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 105 at 15 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 ---------------------------------------------------------- 0 981 227 70 7 -6.6 -2.4 | 309 10 7.7 -6.3 1 964 305 85 15 -14.9 -1.3 | 7 5 -0.7 -5.2 2 925 489 65 15 -13.6 -6.3 | 356 10 0.7 -10.3 3 912 610 65 15 -13.6 -6.3 | 356 10 0.7 -10.3 4 879 914 70 17 -16.0 -5.8 | 10 10 -1.7 -9.7 5 850 1188 55 14 -11.5 -8.0 | 347 12 2.8 -12.0 6 847 1219 55 14 -11.5 -8.0 | 347 12 2.8 -12.0 7 785 1829 60 10 -8.7 -5.0 | 328 11 5.6 -8.9 8 756 2134 80 11 -10.8 -1.9 | 329 7 3.5 -5.8 9 728 2438 85 13 -13.0 -1.1 | 345 5 1.3 -5.1 10 701 2743 70 14 -13.2 -4.8 | 353 9 1.1 -8.7 11 700 2752 70 13 -12.2 -4.4 | 346 9 2.1 -8.4 12 622 3658 50 18 -13.8 -11.6 | 358 16 0.5 -15.5 13 574 4267 60 20 -17.3 -10.0 | 12 14 -3.0 -13.9 14 530 4877 80 36 -35.5 -6.3 | 64 23 -21.2 -10.2 15 500 5330 90 30 -30.0 0.0 | 76 16 -15.7 -3.9 16 450 6096 100 31 -30.5 5.4 | 95 16 -16.2 1.5 17 400 6950 110 26 -24.4 8.9 | 116 11 -10.1 5.0 18 363 7620 85 20 -19.9 -1.7 | 45 8 -5.6 -5.7 19 300 8940 65 32 -29.0 -13.5 | 40 23 -14.7 -17.5 20 291 9144 70 31 -29.1 -10.6 | 46 21 -14.8 -14.5 21 250 10150 50 20 -15.3 -12.9 | 4 17 -1.0 -16.8 22 230 10668 35 20 -11.5 -16.4 | 352 21 2.8 -20.3 23 200 11570 5 15 -1.3 -14.9 | 325 23 13.0 -18.9 24 150 13390 5 12 -1.0 -12.0 | 320 21 13.2 -15.9 25 112 15240 155 7 -3.0 6.3 | 258 12 11.3 2.4 26 100 15960 280 19 18.7 -3.3 | 282 34 33.0 -7.2 27 70 18220 25 7 -3.0 -6.3 | 312 15 11.3 -10.3 28 69 18288 305 7 5.7 -4.0 | 292 22 20.0 -7.9 29 50 20360 135 5 -3.5 3.5 | 272 11 10.8 -0.4 30 43 21336 95 8 -8.0 0.7 | 297 7 6.3 -3.2 31 30 23590 35 10 -5.7 -8.2 | 325 15 8.6 -12.1 32 26 24384 60 15 -13.0 -7.5 | 354 12 1.3 -11.4 33 20 26160 80 28 -27.6 -4.9 | 57 16 -13.3 -8.8 34 15 27432 70 37 -34.8 -12.7 | 51 26 -20.5 -16.6 Wind Parameters Mean winds (0-6000m): 75.4 at 19.8 knts Storm direction: 105.4 at 14.8 knts Shear (0-3000m) pos: 1.1 neg: 2.3 tot: 3.4 10-3/s Storm rel Dir Shear (0-3000m): 46.7 deg Storm rel helicity (0-3000m) pos: 27.3 neg: -27.8 tot: -0.5 m^2/s^2 ave: -0.2 10^-3 m/s^2 rel: 0.11 Storm rel vorticity (0-3000m) horiz: 6.5 stream: 0.7 10^-3/s Energy-Hel index: 12.78 Bulk Rich Number: 24500.48 Bulk Shear: 4.09 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 72 14 355 8| 0.0 9.0 9.0| 15.4 -2.9 12.5 25.0 0.51| 14.7 7.6 1000 69 15 357 9| 0.0 3.8 3.8| 18.8 -15.4 3.4 3.4 0.21| 10.5 2.3 1500 66 14 352 10| 1.2 2.5 3.7| 18.8 -24.4 -5.6 -3.7 0.06| 8.2 0.5 2000 67 13 347 9| 1.6 1.9 3.5| 20.4 -26.3 -5.9 -2.9 0.05| 7.5 0.4 2500 69 13 348 9| 1.3 2.2 3.5| 23.6 -26.3 -2.7 -1.1 0.10| 7.0 0.7 3000 68 13 348 9| 1.1 2.3 3.4| 27.3 -27.8 -0.5 -0.2 0.11| 6.5 0.7 4000 64 15 353 10| 1.0 2.2 3.2| 42.4 -27.8 14.6 3.7 0.18| 5.8 1.0 5000 68 18 11 11| 2.4 1.8 4.2|139.1 -27.8 111.4 22.3 0.40| 7.2 2.9 6000 75 20 28 10| 2.4 1.5 3.9|169.3 -27.8 141.5 23.6 0.45| 6.7 3.0 Wrote GIF file: /home/apache/climate/data/raob//DRRN/skewt/DRRN.skewt.20250512.18.gif