UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050412.upa.cvt Date: 1200Z 4 MAY 25 Searching for DRRN... Searching the city database file for: DRRN ... Date:1200Z 4 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 92 SFC 985 227 38.2 17.2 29 21.0 23.3 250 4 312.7 315.1 297.0 351.6 12.63 2 979 283 35.6 12.6 25 23.0 20.3 225 8 310.6 312.4 294.2 339.5 9.40 3 973 339 35.0 13.0 27 22.0 20.2 209 9 310.6 312.4 294.4 340.3 9.71 4 937 682 31.6 13.6 33 18.0 19.5 171 7 310.5 312.5 295.0 342.6 10.50 5 925 798 30.6 12.6 33 18.0 18.6 190 8 310.6 312.5 294.6 341.1 9.96 6 902 1023 28.8 9.8 31 19.0 16.6 189 8 311.0 312.6 293.6 337.0 8.46 7 889 1152 27.4 9.4 32 18.0 15.9 205 6 310.8 312.4 293.4 336.6 8.35 8 850 1546 23.2 11.2 47 12.0 15.4 325 2 310.4 312.3 294.5 340.7 9.88 9 819 1868 20.6 9.6 49 11.0 13.6 97 4 311.0 312.8 294.1 339.3 9.20 10 812 1942 19.8 8.8 49 11.0 12.9 100 5 310.9 312.6 293.8 338.0 8.79 11 805 2017 20.2 2.2 30 18.0 10.0 104 5 312.1 313.2 291.6 329.6 5.57 12 700 3202 11.0 -9.0 24 20.0 1.9 25 14 314.7 315.2 289.9 323.6 2.76 13 663 3652 8.0 -13.0 21 21.0 -0.7 39 10 316.2 316.6 289.8 323.2 2.12 14 642 3916 6.4 -12.6 24 19.0 -1.5 44 11 317.3 317.8 290.2 324.8 2.26 15 605 4400 3.6 -18.4 18 22.0 -4.4 54 13 319.5 319.8 290.2 324.6 1.48 16 600 4467 3.6 -19.4 17 23.0 -4.6 56 13 320.3 320.6 290.3 325.0 1.37 17 582 4714 3.4 -18.6 18 22.0 -4.7 64 14 322.9 323.2 291.2 328.1 1.51 18 548 5200 1.4 -15.6 27 17.0 -5.4 82 14 326.1 326.5 292.6 333.2 2.07 19 543 5274 1.0 -18.0 23 19.0 -6.1 85 14 326.5 326.8 292.4 332.4 1.71 20 535 5393 0.0 -17.0 26 17.0 -6.5 89 14 326.7 327.0 292.6 333.2 1.89 21 500 5930 -4.7 -19.7 30 15.0 -9.9 110 15 327.3 327.6 292.5 332.9 1.60 22 448 6781 -11.1 -23.1 36 12.0 -14.7 124 17 329.7 330.0 292.9 334.4 1.33 23 415 7363 -14.3 -28.3 29 14.0 -17.9 132 18 332.9 333.1 293.3 336.2 0.89 24 400 7640 -16.7 -27.7 38 11.0 -19.4 135 18 333.3 333.5 293.6 336.9 0.98 25 379 8042 -20.5 -28.5 49 8.0 -22.3 121 14 333.4 333.6 293.6 337.0 0.96 26 343 8773 -25.3 -44.3 15 19.0 -27.7 94 5 336.6 336.6 293.7 337.4 0.22 27 318 9317 -29.9 -36.9 51 7.0 -30.9 122 5 337.6 337.7 294.2 339.5 0.51 28 300 9730 -32.1 -41.1 40 9.0 -33.2 230 15 340.1 340.2 294.7 341.5 0.35 29 250 10990 -41.9 -52.9 29 11.0 -42.5 240 22 343.8 343.8 295.3 344.2 0.11 30 248 11044 -42.3 -53.3 29 11.0 -42.9 240 22 344.0 344.0 295.4 344.4 0.11 31 200 12460 -54.3 -61.3 42 7.0 -54.5 240 30 346.8 346.8 296.0 347.0 0.05 32 191 12754 -56.7 -62.7 47 6.0 -56.8 244 29 347.5 347.5 296.1 347.7 0.04 33 160 13857 -64.3 -73.3 28 9.0 -64.4 259 24 352.7 352.7 297.3 352.8 0.01 34 150 14250 -66.5 -74.5 32 8.0 -66.5 265 22 355.5 355.5 297.8 355.6 0.01 35 147 14372 -67.3 -75.3 31 8.0 -67.4 270 21 356.2 356.2 298.0 356.2 0.01 36 133 14967 -72.1 -79.1 34 7.0 -72.1 293 17 358.0 358.0 298.3 358.0 0.01 37 128 15191 -73.9 -80.9 33 7.0 -73.9 302 15 358.7 358.7 298.4 358.7 0.00 38 120 15565 -75.7 -82.7 32 7.0 -75.7 273 19 362.1 362.1 299.1 362.1 0.00 39 100 16610 -78.3 -85.3 31 7.0 -78.3 165 31 376.4 376.4 301.6 376.5 0.00 40 84 17592 -83.7 -89.7 34 6.0 -83.7 206 18 384.7 384.7 303.0 384.7 0.00 41 80 17864 -82.3 -88.3 35 6.0 -82.3 217 14 393.0 393.0 304.2 393.0 0.00 42 76 18153 -79.9 -85.9 36 6.0 -79.9 230 10 403.8 403.8 305.7 403.9 0.00 43 75 18228 -79.9 -85.9 36 6.0 -79.9 233 9 405.4 405.4 305.9 405.4 0.00 44 70 18620 -78.5 -85.5 31 7.0 -78.5 275 13 416.4 416.4 307.3 416.5 0.00 45 54 20138 -68.3 -78.3 22 10.0 -68.4 472.0 472.0 312.8 472.1 0.02 46 51 20483 -66.3 -75.3 27 9.0 -66.5 484.5 484.5 313.8 484.7 0.03 TRP 889 1152 27.4 9.4 32 18.0 15.9 205 6 310.8 312.4 293.4 336.6 8.35 WND Sounding variables and indices 1000-500 mb thick: 5838.00 m Freezing level: 535.00 mb = 5393.12 m = 17693.73 ft Wetbulb zero: 673.11 mb = 3526.44 m = 11569.54 ft Precipitable water: 1.08 inches Sfc-500 mean rel hum: 27.96 % Est. max temperature: 36.23 C = 97.22 F Sfc-Lift cond lev (LCL): 729.24 mb = 2854.91 m = 9366.37 ft T: 13.69 C 700-500 lapse rate: 5.76 C/km ThetaE index: 17.48 C Layer 819.0- 642.0 mb Conv cond level (CCL): 646.92 mb = 3853.52 m = 12642.63 ft Mean mixing ratio: 9.63 g/kg Conv temperature: 42.55 C = 108.59 F Cap Strength: 3.91 C Lifted Index: 1.96 C Risk: Showers probable Lifted Index @300 mb: 1.81 C Lifted Index @700 mb: 3.25 C Showalter Index: 1.78 C Risk: Showers probable Total Totals Index: 43.80 C Risk: None Vertical Totals Index: 27.90 C Cross Totals Index: 15.90 C K Index: 19.10 Risk: < 20 % chance of thunderstorms Sweat Index: 153.40 Risk: None Energy Index: -1.43 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.04 J/kg Max Up Vert Vel: 2.84 m/s Conv Inhibition (B-): 8442.43 J/kg Cap Strength: 3.93 C Lift Cond Lev (LCL): 705.48 mb = 3135.88 m = 10288.21 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 107 at 7 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 ---------------------------------------------------------- 0 985 227 250 4 3.8 1.4 | 274 11 10.9 -0.8 1 977 305 215 9 5.2 7.4 | 247 13 12.3 5.2 2 944 610 160 6 -2.1 5.6 | 236 6 5.1 3.5 3 925 798 190 8 1.4 7.9 | 236 10 8.5 5.7 4 913 914 175 9 -0.8 9.0 | 223 9 6.4 6.8 5 889 1152 205 6 2.5 5.4 | 251 10 9.7 3.3 6 882 1219 210 6 3.0 5.2 | 253 11 10.2 3.0 7 850 1546 325 2 1.1 -1.6 | 295 9 8.3 -3.8 8 822 1829 95 4 -4.0 0.3 | 300 4 3.2 -1.8 9 793 2134 110 6 -5.6 2.1 | 274 2 1.5 -0.1 10 766 2438 80 4 -3.9 -0.7 | 311 4 3.2 -2.8 11 739 2743 45 6 -4.2 -4.2 | 335 7 2.9 -6.4 12 700 3202 25 14 -5.9 -12.7 | 355 15 1.2 -14.8 13 662 3658 40 10 -6.4 -7.7 | 356 10 0.7 -9.8 14 614 4267 50 13 -10.0 -8.4 | 15 11 -2.8 -10.5 15 569 4877 70 14 -13.2 -4.8 | 41 9 -6.0 -6.9 16 500 5930 110 15 -14.1 5.1 | 113 8 -6.9 3.0 17 489 6096 115 15 -13.6 6.3 | 123 8 -6.4 4.2 18 401 7620 135 19 -13.4 13.4 | 151 13 -6.3 11.3 19 400 7640 135 18 -12.7 12.7 | 152 12 -5.6 10.6 20 325 9144 80 1 -1.0 -0.2 | 291 7 6.2 -2.3 21 300 9730 230 15 11.5 9.6 | 248 20 18.7 7.5 22 262 10668 235 17 13.9 9.8 | 250 22 21.1 7.6 23 250 10990 240 22 19.1 11.0 | 251 28 26.2 8.8 24 200 12460 240 30 26.0 15.0 | 249 36 33.1 12.8 25 150 14250 265 22 21.9 1.9 | 270 29 29.1 -0.2 26 127 15240 305 15 12.3 -8.6 | 299 22 19.4 -10.8 27 100 16610 165 31 -8.0 29.9 | 178 28 -0.9 27.8 28 74 18288 235 8 6.6 4.6 | 260 14 13.7 2.4 29 70 18620 275 13 13.0 -1.1 | 279 20 20.1 -3.3 Wind Parameters Mean winds (0-6000m): 76.7 at 10.0 knts Storm direction: 106.7 at 7.5 knts Shear (0-3000m) pos: 0.2 neg: 3.1 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 81.3 deg Storm rel helicity (0-3000m) pos: 52.0 neg: -29.7 tot: 22.4 m^2/s^2 ave: 7.5 10^-3 m/s^2 rel: 0.18 Storm rel vorticity (0-3000m) horiz: 9.7 stream: 1.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.14 Bulk Shear: 28.13 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 ------------------------------------------------------------------------------- 500 193 7 241 10| 0.0 7.3 7.3| 0.0 -23.8 -23.8 -47.6 -0.53| 15.6 -8.3 1000 190 7 239 10| 2.1 3.6 5.7| 13.7 -27.8 -14.1 -14.1 -0.19| 12.1 -2.3 1500 194 6 247 9| 1.4 3.3 4.7| 41.0 -27.8 13.2 8.8 0.16| 12.4 2.0 2000 175 6 242 8| 0.3 2.5 2.8| 41.4 -29.7 11.7 5.9 0.11| 10.9 1.2 2500 157 6 240 6| 0.2 2.2 2.4| 44.5 -29.7 14.8 5.9 0.15| 9.9 1.5 3000 114 6 255 1| 0.2 3.1 3.3| 52.0 -29.7 22.4 7.5 0.18| 9.7 1.8 4000 61 8 356 6| 0.8 2.3 3.1| 61.8 -30.0 31.8 7.9 0.21| 8.3 1.8 5000 64 9 8 6| 1.4 1.8 3.3| 81.3 -30.0 51.3 10.3 0.29| 7.5 2.2 6000 77 10 30 5| 1.8 1.5 3.4| 98.3 -30.0 68.3 11.4 0.37| 7.0 2.6 Wrote GIF file: /home/apache/climate/data/raob//DRRN/skewt/DRRN.skewt.20250504.12.gif