UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050718.upa.cvt Date: 1800Z 7 MAY 25 Searching for DRRN... Searching the city database file for: DRRN ... Date:1800Z 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 63 SFC 980 227 15.0 10.0 72 5.0 12.1 40 6 289.8 291.2 286.1 312.1 7.88 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): 909.23 mb = -9999.00 m = -9999.00 ft T: -9999.00 C ThetaE index: 0.00 C Layer 980.0- -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: 288.15 C Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 88 at 11 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 ---------------------------------------------------------- 0 980 227 40 6 -3.9 -4.6 | 302 8 7.0 -4.3 1 963 305 45 11 -7.8 -7.8 | 338 8 3.0 -7.4 2 925 488 40 7 -4.5 -5.4 | 309 8 6.3 -5.0 3 911 610 30 10 -5.0 -8.7 | 325 10 5.8 -8.3 4 878 914 25 11 -4.6 -10.0 | 327 11 6.2 -9.6 5 850 1187 50 12 -9.2 -7.7 | 348 8 1.6 -7.4 6 847 1219 50 12 -9.2 -7.7 | 348 8 1.6 -7.4 7 785 1829 50 8 -6.1 -5.1 | 316 7 4.7 -4.8 8 756 2134 60 10 -8.7 -5.0 | 335 5 2.1 -4.7 9 728 2438 60 9 -7.8 -4.5 | 324 5 3.0 -4.2 10 701 2743 55 12 -9.8 -6.9 | 351 7 1.0 -6.5 11 700 2751 60 12 -10.4 -6.0 | 356 6 0.4 -5.7 12 622 3658 65 14 -12.7 -5.9 | 19 6 -1.9 -5.6 13 574 4267 75 22 -21.3 -5.7 | 63 12 -10.4 -5.4 14 530 4877 65 23 -20.8 -9.7 | 47 14 -10.0 -9.4 15 500 5330 55 21 -17.2 -12.0 | 29 13 -6.4 -11.7 16 450 6096 50 14 -10.7 -9.0 | 359 9 0.1 -8.7 17 400 6950 50 22 -16.9 -14.1 | 24 15 -6.0 -13.8 18 363 7620 55 17 -13.9 -9.8 | 18 10 -3.1 -9.4 19 300 8940 330 19 9.5 -16.5 | 308 26 20.3 -16.1 20 291 9144 335 19 8.0 -17.2 | 312 25 18.8 -16.9 21 250 10150 335 24 10.1 -21.8 | 316 30 21.0 -21.4 22 230 10668 315 22 15.6 -15.6 | 300 30 26.4 -15.2 23 200 11570 305 19 15.6 -10.9 | 292 28 26.4 -10.6 24 150 13390 295 5 4.5 -2.1 | 277 15 15.3 -1.8 25 112 15240 140 8 -5.1 6.1 | 221 9 5.7 6.5 26 100 15960 185 21 1.8 20.9 | 211 25 12.6 21.3 27 70 18220 325 9 5.2 -7.4 | 294 17 16.0 -7.0 28 69 18288 300 8 6.9 -4.0 | 282 18 17.7 -3.7 29 50 20360 195 9 2.3 8.7 | 236 16 13.1 9.0 30 43 21336 105 9 -8.7 2.3 | 218 3 2.1 2.7 31 30 23590 90 17 -17.0 0.0 | 93 6 -6.2 0.3 32 26 24384 90 17 -17.0 0.0 | 93 6 -6.2 0.3 33 20 26160 80 26 -25.6 -4.5 | 74 15 -14.8 -4.2 34 16 27432 75 34 -32.8 -8.8 | 69 24 -22.0 -8.5 35 10 30560 85 56 -55.8 -4.9 | 84 45 -45.0 -4.5 Wind Parameters Mean winds (0-6000m): 58.2 at 14.4 knts Storm direction: 88.2 at 10.8 knts Shear (0-3000m) pos: 1.4 neg: 0.7 tot: 2.2 10-3/s Storm rel Dir Shear (0-3000m): 66.3 deg Storm rel helicity (0-3000m) pos: 32.4 neg: -13.8 tot: 18.6 m^2/s^2 ave: 6.2 10^-3 m/s^2 rel: 0.31 Storm rel vorticity (0-3000m) horiz: 4.9 stream: 1.5 10^-3/s Energy-Hel index: 16.20 Bulk Rich Number: 17349.91 Bulk Shear: 5.78 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 39 9 322 8| 0.0 4.8 4.8| 13.9 -5.6 8.3 16.5 0.36| 10.8 3.9 1000 37 10 328 9| 2.3 2.4 4.7| 22.8 -5.6 17.2 17.2 0.45| 8.3 3.7 1500 41 10 330 8| 1.5 1.0 2.5| 22.8 -11.4 11.4 7.6 0.21| 6.7 1.4 2000 44 10 329 8| 1.6 0.7 2.4| 25.9 -12.9 12.9 6.5 0.23| 5.9 1.3 2500 47 10 330 7| 1.3 0.9 2.2| 29.7 -13.8 15.8 6.3 0.27| 5.4 1.5 3000 50 10 335 7| 1.4 0.7 2.2| 32.4 -13.8 18.6 6.2 0.31| 4.9 1.5 4000 56 12 350 6| 2.2 0.6 2.8| 46.8 -13.8 33.0 8.2 0.42| 4.8 2.0 5000 60 14 9 7| 1.8 1.1 2.9| 46.9 -36.6 10.3 2.1 0.21| 4.7 1.0 6000 58 14 11 7| 1.5 1.1 2.5| 48.5 -54.7 -6.2 -1.0 0.07| 4.6 0.3 Wrote GIF file: /home/apache/climate/data/raob//DRRN/skewt/DRRN.skewt.20250507.18.gif