UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050818.upa.cvt Date: 1800Z 8 MAY 25 Searching for DRRN... Searching the city database file for: DRRN ... Date:1800Z 8 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 59 SFC 980 227 15.0 10.0 72 5.0 12.1 210 4 289.8 291.2 286.1 312.1 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: 104 at 10 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 ---------------------------------------------------------- 0 980 227 210 4 2.0 3.5 | 266 12 12.1 0.9 1 963 305 230 7 5.4 4.5 | 263 16 15.5 2.0 2 925 484 225 5 3.5 3.5 | 266 14 13.7 1.0 3 911 610 235 5 4.1 2.9 | 269 14 14.2 0.3 4 878 914 315 5 3.5 -3.5 | 294 15 13.7 -6.1 5 850 1184 20 3 -1.0 -2.8 | 300 11 9.1 -5.4 6 846 1219 45 4 -2.8 -2.8 | 306 9 7.3 -5.4 7 785 1829 60 10 -8.7 -5.0 | 349 8 1.5 -7.5 8 755 2134 50 10 -7.7 -6.4 | 345 9 2.5 -9.0 9 727 2438 55 12 -9.8 -6.9 | 358 9 0.3 -9.4 10 700 2743 70 13 -12.2 -4.4 | 17 7 -2.1 -7.0 11 700 2748 65 13 -11.8 -5.5 | 12 8 -1.7 -8.0 12 622 3658 95 16 -15.9 1.4 | 79 6 -5.8 -1.1 13 574 4267 90 23 -23.0 0.0 | 79 13 -12.9 -2.5 14 530 4877 65 19 -17.2 -8.0 | 34 13 -7.1 -10.6 15 500 5330 70 23 -21.6 -7.9 | 48 15 -11.5 -10.4 16 450 6096 70 16 -15.0 -5.5 | 32 9 -4.9 -8.0 17 400 6950 45 27 -19.1 -19.1 | 23 23 -9.0 -21.6 18 363 7620 35 30 -17.2 -24.6 | 15 28 -7.1 -27.1 19 300 8940 35 34 -19.5 -27.9 | 17 32 -9.4 -30.4 20 291 9144 30 35 -17.5 -30.3 | 13 34 -7.4 -32.8 21 250 10140 360 26 -0.0 -26.0 | 340 30 10.1 -28.5 22 230 10668 5 15 -1.3 -14.9 | 333 20 8.8 -17.5 23 200 11570 245 7 6.3 3.0 | 269 16 16.5 0.4 24 150 13390 290 10 9.4 -3.4 | 287 20 19.5 -6.0 25 112 15240 305 10 8.2 -5.7 | 294 20 18.3 -8.3 26 100 15960 350 10 1.7 -9.8 | 316 17 11.9 -12.4 27 70 18220 240 13 11.3 6.5 | 259 22 21.4 4.0 28 69 18288 185 15 1.3 14.9 | 223 17 11.4 12.4 29 50 20350 175 14 -1.2 13.9 | 218 14 8.9 11.4 30 43 21336 210 11 5.5 9.5 | 246 17 15.6 7.0 31 30 23590 125 11 -9.0 6.3 | 196 4 1.1 3.8 32 26 24384 105 15 -14.5 3.9 | 107 5 -4.4 1.3 33 20 26160 90 39 -39.0 0.0 | 85 29 -28.9 -2.5 34 13 27432 105 42 -40.6 10.9 | 105 32 -30.4 8.3 Wind Parameters Mean winds (0-6000m): 74.1 at 13.9 knts Storm direction: 104.1 at 10.4 knts Shear (0-3000m) pos: 2.8 neg: 0.3 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 135.6 deg Storm rel helicity (0-3000m) pos: 70.7 neg: -3.6 tot: 67.1 m^2/s^2 ave: 22.4 10^-3 m/s^2 rel: 0.64 Storm rel vorticity (0-3000m) horiz: 6.2 stream: 4.0 10^-3/s Energy-Hel index: 34.66 Bulk Rich Number: 2067.52 Bulk Shear: 48.47 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 ------------------------------------------------------------------------------- 500 230 6 266 14| 4.4 0.0 4.4| 14.8 -2.2 12.6 25.2 0.39| 8.6 3.3 1000 252 5 274 15| 4.1 0.0 4.1| 40.6 -2.2 38.4 38.4 0.53| 9.9 5.2 1500 301 5 290 16| 4.3 0.0 4.3| 51.6 -2.2 49.3 32.9 0.62| 8.3 5.2 2000 40 7 322 10| 3.3 0.5 3.8| 55.3 -3.6 51.7 25.9 0.59| 7.1 4.2 2500 51 8 330 8| 3.0 0.4 3.4| 64.7 -3.6 61.1 24.5 0.62| 6.7 4.2 3000 60 9 338 7| 2.8 0.3 3.1| 70.7 -3.6 67.1 22.4 0.64| 6.2 4.0 4000 76 11 4 5| 2.3 0.9 3.2| 77.4 -4.1 73.3 18.3 0.58| 6.0 3.5 5000 76 13 22 6| 1.9 1.2 3.1| 85.7 -36.2 49.5 9.9 0.34| 6.1 2.1 6000 74 14 27 7| 1.3 1.0 2.4| 88.8 -46.9 42.0 7.0 0.25| 5.9 1.5 Wrote GIF file: /home/apache/climate/data/raob//DRRN/skewt/DRRN.skewt.20250508.18.gif