UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101806.upa.cvt Date: 0600Z 18 OCT 25 Searching for DRRN... Searching the city database file for: DRRN ... Date:0600Z 18 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 114 SFC 987 227 24.4 18.4 69 6.0 20.3 360 2 298.7 301.1 293.9 338.3 13.61 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): 904.10 mb = -9999.00 m = -9999.00 ft T: -9999.00 C ThetaE index: 0.00 C Layer 987.0- -4.1 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: 297.55 C Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 129 at 9 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 ---------------------------------------------------------- 0 987 227 360 2 -0.0 -2.0 | 317 11 7.3 -7.9 1 971 305 70 1 -0.9 -0.3 | 315 9 6.3 -6.3 2 925 542 145 5 -2.9 4.1 | 293 5 4.4 -1.8 3 917 610 130 4 -3.1 2.6 | 309 5 4.2 -3.4 4 884 914 100 5 -4.9 0.9 | 335 6 2.4 -5.1 5 852 1219 110 8 -7.5 2.7 | 4 3 -0.2 -3.2 6 850 1241 105 9 -8.7 2.3 | 22 4 -1.4 -3.6 7 790 1829 85 15 -14.9 -1.3 | 47 11 -7.7 -7.2 8 761 2134 85 17 -16.9 -1.5 | 53 12 -9.7 -7.4 9 732 2438 85 23 -22.9 -2.0 | 63 18 -15.6 -7.9 10 705 2743 85 26 -25.9 -2.3 | 66 20 -18.6 -8.2 11 700 2803 90 25 -25.0 0.0 | 72 19 -17.7 -5.9 12 626 3658 100 15 -14.8 2.6 | 66 8 -7.5 -3.3 13 578 4267 145 12 -6.9 9.8 | 186 4 0.4 3.9 14 534 4877 85 12 -12.0 -1.0 | 34 8 -4.7 -7.0 15 500 5380 105 11 -10.6 2.8 | 47 5 -3.3 -3.1 16 453 6096 125 6 -4.9 3.4 | 316 3 2.4 -2.5 17 400 7000 215 9 5.2 7.4 | 263 13 12.4 1.4 18 366 7620 190 12 2.1 11.8 | 238 11 9.4 5.9 19 300 8980 230 17 13.0 10.9 | 256 21 20.3 5.0 20 293 9144 235 17 13.9 9.8 | 260 22 21.2 3.8 21 250 10190 215 20 11.5 16.4 | 241 21 18.7 10.5 22 232 10668 235 20 16.4 11.5 | 257 24 23.7 5.5 23 200 11610 220 21 13.5 16.1 | 244 23 20.8 10.2 24 150 13430 245 31 28.1 13.1 | 259 36 35.4 7.2 25 113 15240 220 39 25.1 29.9 | 233 40 32.3 24.0 26 100 16000 215 27 15.5 22.1 | 235 28 22.8 16.2 27 70 18270 155 18 -7.6 16.3 | 178 10 -0.3 10.4 28 70 18288 210 12 6.0 10.4 | 251 14 13.3 4.5 29 50 20400 75 28 -27.0 -7.2 | 56 24 -19.8 -13.2 30 43 21336 80 28 -27.6 -4.9 | 62 23 -20.3 -10.8 31 30 23640 100 54 -53.2 9.4 | 94 46 -45.9 3.5 32 27 24384 105 55 -53.1 14.2 | 100 47 -45.9 8.3 33 20 26210 95 56 -55.8 4.9 | 89 49 -48.5 -1.0 34 14 27432 85 62 -61.8 -5.4 | 78 56 -54.5 -11.3 Wind Parameters Mean winds (0-6000m): 99.2 at 12.5 knts Storm direction: 129.2 at 9.4 knts Shear (0-3000m) pos: 1.4 neg: 3.8 tot: 5.2 10-3/s Storm rel Dir Shear (0-3000m): 114.3 deg Storm rel helicity (0-3000m) pos: 40.5 neg: -3.6 tot: 36.9 m^2/s^2 ave: 12.3 10^-3 m/s^2 rel: 0.34 Storm rel vorticity (0-3000m) horiz: 6.9 stream: 2.3 10^-3/s Energy-Hel index: 11.58 Bulk Rich Number: 7689.33 Bulk Shear: 13.03 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 ------------------------------------------------------------------------------- 500 127 3 310 6| 5.8 0.0 5.8| 3.0 -3.4 -0.4 -0.8 -0.01| 9.1 -0.1 1000 115 4 320 5| 2.9 2.1 5.0| 8.0 -3.4 4.6 4.6 0.29| 7.1 2.1 1500 104 6 346 5| 1.9 3.6 5.5| 11.9 -3.4 8.5 5.7 0.34| 7.1 2.4 2000 95 9 14 5| 1.4 4.0 5.4| 18.5 -3.4 15.1 7.6 0.35| 6.6 2.3 2500 91 11 35 7| 1.2 4.6 5.7| 30.6 -3.4 27.2 10.9 0.36| 6.8 2.4 3000 91 13 46 8| 1.4 3.8 5.2| 40.5 -3.6 36.9 12.3 0.34| 6.9 2.3 4000 95 14 54 8| 2.8 2.9 5.6| 51.4 -6.0 45.4 11.4 0.38| 7.2 2.8 5000 97 13 55 7| 2.2 2.9 5.1| 53.1 -15.9 37.3 7.5 0.19| 7.2 1.4 6000 99 13 52 6| 2.4 2.4 4.9| 53.5 -20.2 33.3 5.6 0.10| 6.7 0.7 Wrote GIF file: /home/apache/climate/data/raob//DRRN/skewt/DRRN.skewt.20251018.06.gif