UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101600.upa.cvt Date: 0000Z 16 OCT 25 Searching for DRRN... Searching the city database file for: DRRN ... Date:0000Z 16 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 98 SFC 985 227 31.4 19.4 49 12.0 22.8 90 2 305.9 308.6 296.5 349.5 14.54 2 962 442 31.8 15.8 38 16.0 20.8 200 11 308.3 310.6 295.3 344.1 11.81 3 925 797 29.2 13.2 37 16.0 18.5 160 8 309.2 311.1 294.5 340.7 10.36 4 867 1369 25.0 4.0 26 21.0 12.7 103 8 310.6 311.7 291.4 328.8 5.88 5 850 1542 23.0 8.0 38 15.0 13.7 95 8 310.2 311.7 293.0 334.7 7.94 6 715 3015 10.0 4.0 66 6.0 6.5 42 19 311.7 313.0 292.7 333.8 7.15 7 700 3191 8.8 1.8 61 7.0 4.9 40 20 312.2 313.4 292.2 331.7 6.24 8 637 3962 3.2 -9.8 38 13.0 -2.4 45 17 314.4 314.9 289.9 323.6 2.85 9 600 4444 0.0 -9.0 51 9.0 -3.9 40 13 316.1 316.7 290.7 326.6 3.22 10 589 4592 0.6 -22.4 16 23.0 -6.8 40 11 318.5 318.7 289.4 322.2 1.08 11 584 4660 0.8 -16.2 27 17.0 -5.6 40 10 319.5 319.9 290.5 325.7 1.85 12 575 4785 0.0 -20.0 21 20.0 -6.8 40 8 320.0 320.3 290.2 324.6 1.36 13 544 5226 -3.3 -15.3 39 12.0 -7.8 45 7 321.2 321.6 291.3 328.4 2.14 14 530 5431 -4.1 -18.1 33 14.0 -9.0 48 7 322.6 323.0 291.3 328.6 1.73 15 521 5566 -3.5 -21.5 23 18.0 -9.4 50 7 324.9 325.2 291.6 329.5 1.32 16 500 5890 -5.9 -21.9 27 16.0 -11.0 55 7 325.8 326.1 291.9 330.5 1.32 17 477 6257 -8.3 -29.3 17 21.0 -13.7 58 6 327.3 327.4 291.7 329.9 0.71 18 447 6757 -11.9 -25.9 30 14.0 -15.7 35 4 328.9 329.1 292.4 332.6 1.04 19 400 7600 -16.3 -40.3 11 24.0 -20.5 355 2 333.8 333.9 293.0 334.9 0.28 20 383 7925 -18.5 -46.5 7 28.0 -22.4 328 3 335.1 335.1 293.2 335.7 0.15 21 355 8487 -22.7 -39.7 20 17.0 -25.4 298 4 336.8 336.9 293.9 338.1 0.34 22 302 9653 -31.1 -54.1 9 23.0 -33.0 210 11 340.9 340.9 294.6 341.2 0.08 23 300 9700 -31.5 -53.5 10 22.0 -33.3 205 11 341.0 341.0 294.6 341.3 0.09 24 250 10960 -41.5 -46.0 62 4.5 -41.9 235 21 344.4 344.4 295.6 345.4 0.25 25 239 11265 -44.1 -47.9 66 3.8 -44.3 236 21 344.9 345.0 295.7 345.8 0.21 26 223 11728 -47.9 -51.9 63 4.0 -48.1 237 20 346.0 346.0 295.8 346.6 0.14 27 216 11938 -49.9 -53.3 67 3.4 -50.0 238 20 346.0 346.1 295.8 346.6 0.12 28 200 12439 -53.7 -57.4 64 3.7 -53.8 239 20 347.7 347.7 296.2 348.1 0.08 29 159 13877 -65.9 -70.9 50 5.0 -66.0 244 18 350.7 350.7 296.8 350.7 0.02 30 153 14111 -67.5 -72.4 50 4.9 -67.5 245 18 351.8 351.8 297.0 351.9 0.01 31 150 14230 -68.5 -73.5 48 5.0 -68.5 245 18 352.1 352.1 297.1 352.1 0.01 32 139 14684 -71.1 -76.1 47 5.0 -71.1 225 19 355.3 355.3 297.8 355.3 0.01 33 123 15400 -75.7 -80.3 48 4.6 -75.7 208 19 359.5 359.5 298.6 359.6 0.01 34 109 16094 -78.7 -83.6 45 4.9 -78.7 247 15 366.5 366.5 299.9 366.5 0.00 35 104 16364 -75.7 -81.7 38 6.0 -75.7 262 13 377.2 377.2 301.8 377.2 0.00 36 103 16419 -75.9 -81.9 38 6.0 -75.9 265 13 377.9 377.9 301.9 377.9 0.00 37 100 16590 -76.5 -82.5 38 6.0 -76.5 275 12 379.9 379.9 302.2 379.9 0.00 38 94 16945 -76.9 -83.9 32 7.0 -76.9 297 12 385.9 385.9 303.2 385.9 0.00 39 77 18097 -73.7 -83.7 20 10.0 -73.7 8 10 415.2 415.2 307.2 415.3 0.00 40 72 18487 -75.1 61 11 420.3 41 70 18650 -74.5 95 11 425.0 42 69 18734 -74.1 427.6 TRP 985 227 31.4 19.4 49 12.0 22.8 90 2 305.9 308.6 296.5 349.5 14.54 WND Sounding variables and indices 1000-500 mb thick: 5792.00 m Freezing level: 575.00 mb = 4784.82 m = 15698.03 ft Wetbulb zero: 657.49 mb = 3703.24 m = 12149.60 ft Precipitable water: 1.23 inches Sfc-500 mean rel hum: 41.54 % Est. max temperature: 35.93 C = 96.67 F Sfc-Lift cond lev (LCL): 828.15 mb = 1763.82 m = 5786.75 ft T: 21.04 C 700-500 lapse rate: 5.45 C/km ThetaE index: 20.63 C Layer 962.0- 850.0 mb Conv cond level (CCL): 708.44 mb = 3091.49 m = 10142.56 ft Mean mixing ratio: 10.57 g/kg Conv temperature: 37.41 C = 99.34 F Cap Strength: 2.45 C Lifted Index: 0.53 C Risk: Showers probable Lifted Index @300 mb: 2.05 C Lifted Index @700 mb: 0.87 C Showalter Index: 3.16 C Risk: None Total Totals Index: 42.80 C Risk: None Vertical Totals Index: 28.90 C Cross Totals Index: 13.90 C K Index: 29.90 Risk: 40-60 % chance of thunderstorms Sweat Index: 119.00 Risk: None Energy Index: -0.76 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 54.94 J/kg Max Up Vert Vel: 10.48 m/s Conv Inhibition (B-): 135.68 J/kg Cap Strength: 2.45 C Lift Cond Lev (LCL): 740.06 mb = 2721.55 m = 8928.85 ft Lev Free Conv (LFC): 665.06 mb = 3609.70 m = 11842.70 ft Equ Level (EL): 575.06 mb = 4784.00 m = 15695.34 ft B at Equ Level: 45.36 J/kg Max Parcel Lev (MPL): 375.06 mb = 8080.26 m = 26509.73 ft Wind level data Storm motion: 86 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 ---------------------------------------------------------- 0 985 227 90 2 -2.0 0.0 | 265 7 6.7 0.6 1 977 305 220 12 7.7 9.2 | 239 19 16.4 9.8 2 944 610 175 9 -0.8 9.0 | 220 12 7.9 9.6 3 925 797 160 8 -2.7 7.5 | 216 10 6.0 8.1 4 913 914 140 6 -3.9 4.6 | 223 7 4.9 5.2 5 882 1219 110 8 -7.5 2.7 | 200 4 1.2 3.3 6 850 1542 95 8 -8.0 0.7 | 211 2 0.8 1.3 7 822 1829 60 8 -6.9 -4.0 | 332 4 1.8 -3.4 8 793 2134 65 12 -10.9 -5.1 | 26 5 -2.1 -4.5 9 765 2438 60 17 -14.7 -8.5 | 37 10 -6.0 -7.9 10 738 2743 45 18 -12.7 -12.7 | 18 13 -4.0 -12.1 11 700 3191 40 20 -12.9 -15.3 | 16 15 -4.1 -14.7 12 660 3658 50 19 -14.6 -12.2 | 27 13 -5.8 -11.6 13 612 4267 40 15 -9.6 -11.5 | 5 11 -0.9 -10.9 14 567 4877 40 7 -4.5 -5.4 | 318 6 4.2 -4.8 15 500 5890 55 7 -5.7 -4.0 | 319 5 3.0 -3.4 16 487 6096 65 6 -5.4 -2.5 | 301 4 3.3 -1.9 17 400 7600 355 2 0.2 -2.0 | 279 9 8.9 -1.4 18 399 7620 345 2 0.5 -1.9 | 278 9 9.2 -1.3 19 324 9144 260 6 5.9 1.0 | 264 15 14.6 1.6 20 300 9700 205 11 4.6 10.0 | 232 17 13.4 10.6 21 261 10668 245 14 12.7 5.9 | 253 22 21.4 6.5 22 250 10960 235 21 17.2 12.0 | 244 29 25.9 12.6 23 150 14230 245 18 16.3 7.6 | 252 26 25.0 8.2 24 126 15240 200 20 6.8 18.8 | 219 25 15.6 19.4 25 100 16590 275 12 12.0 -1.0 | 271 21 20.7 -0.5 26 75 18288 20 10 -3.4 -9.4 | 329 10 5.3 -8.8 27 70 18650 95 11 -11.0 1.0 | 125 3 -2.2 1.6 Wind Parameters Mean winds (0-6000m): 56.1 at 11.7 knts Storm direction: 86.1 at 8.8 knts Shear (0-3000m) pos: 1.4 neg: 4.4 tot: 5.8 10-3/s Storm rel Dir Shear (0-3000m): 111.5 deg Storm rel helicity (0-3000m) pos: 9.6 neg: -53.7 tot: -44.1 m^2/s^2 ave: -14.7 10^-3 m/s^2 rel: -0.16 Storm rel vorticity (0-3000m) horiz: 9.4 stream: -1.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.05 Bulk Shear: 52.23 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 ------------------------------------------------------------------------------- 500 195 10 229 15| 8.3 0.0 8.3| 0.0 -37.7 -37.7 -75.3 -0.50| 23.7-11.8 1000 169 8 219 11| 4.2 4.0 8.1| 1.6 -40.7 -39.1 -39.1 -0.41| 16.0 -6.6 1500 142 8 208 8| 2.8 4.1 6.9| 2.5 -40.7 -38.3 -25.5 -0.27| 12.6 -3.4 2000 114 9 191 4| 2.1 4.5 6.5| 7.7 -40.7 -33.0 -16.5 -0.12| 11.3 -1.3 2500 89 10 105 2| 1.7 4.8 6.5| 9.1 -51.0 -41.9 -16.8 -0.15| 10.7 -1.6 3000 72 12 40 4| 1.4 4.4 5.8| 9.6 -53.7 -44.1 -14.7 -0.16| 9.4 -1.5 4000 60 13 26 7| 1.4 3.0 4.5| 18.2 -66.6 -48.3 -12.1 -0.17| 8.0 -1.3 5000 57 13 16 7| 1.3 1.9 3.2| 18.3 -80.7 -62.4 -12.5 -0.24| 7.3 -1.7 6000 56 12 9 6| 1.3 1.5 2.8| 18.3 -82.2 -63.8 -10.6 -0.24| 6.4 -1.6 Wrote GIF file: /home/apache/climate/data/raob//DRRN/skewt/DRRN.skewt.20251016.00.gif