UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101812.upa.cvt Date: 1200Z 18 OCT 25 Searching for RP618... Searching the city database file for: RP618 ... Date:1200Z 18 OCT 25 Station: RP618 WMO ident: 98618 Latitude: 9.75 Longitude: 118.73 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1003 30 26.0 25.0 94 1.0 25.3 270 5 298.9 302.6 298.3 358.1 20.27 1 971 313 26.4 22.9 81 3.5 23.9 315 1 302.1 305.5 298.0 356.5 18.40 2 907 906 22.4 21.3 94 1.1 21.6 295 3 303.9 307.2 298.1 357.1 17.85 3 850 1464 19.4 17.2 87 2.2 17.9 345 5 306.5 309.2 296.8 350.6 14.68 4 803 1952 16.4 15.2 93 1.2 15.6 331 5 308.3 310.9 296.5 349.7 13.66 5 789 2102 15.8 14.2 90 1.6 14.7 326 5 309.2 311.7 296.4 348.8 13.02 6 738 2670 14.0 9.2 73 4.8 10.9 339 7 313.2 315.1 295.3 344.0 9.95 7 700 3115 11.2 8.0 81 3.2 9.2 350 9 314.9 316.7 295.5 345.0 9.67 8 660 3604 8.8 5.0 77 3.8 6.5 359 4 317.5 319.1 295.2 343.8 8.32 9 614 4199 5.2 2.9 85 2.3 3.8 51 5 320.0 321.5 295.4 344.6 7.71 10 536 5297 -0.5 -5.5 69 5.0 -3.0 67 12 325.9 326.8 294.7 341.6 4.74 11 509 5709 -3.3 -4.0 95 0.7 -3.7 54 10 327.3 328.5 295.7 345.9 5.60 12 500 5850 -3.5 -8.1 70 4.6 -5.7 50 9 328.8 329.6 295.0 342.8 4.16 13 466 6403 -7.3 -8.2 93 0.9 -7.7 20 11 330.7 331.6 295.7 345.7 4.43 14 400 7580 -13.3 -14.5 91 1.2 -13.8 25 9 337.7 338.3 296.3 348.6 3.11 15 369 8193 -16.5 -18.8 82 2.3 -17.3 140 2 341.3 341.8 296.6 349.8 2.35 16 323 9183 -24.1 -25.0 92 0.9 -24.4 106 11 344.1 344.4 296.6 349.9 1.56 17 300 9720 -27.5 -29.6 82 2.1 -28.0 80 17 346.6 346.9 296.8 350.8 1.10 18 257 10809 -35.9 -39.8 67 3.9 -36.4 92 22 349.9 350.0 297.0 351.8 0.47 19 250 11000 -37.5 -41.8 64 4.3 -38.0 90 23 350.3 350.4 297.0 351.9 0.39 20 200 12500 -50.9 -55.7 57 4.8 -51.1 95 25 352.2 352.2 297.2 352.6 0.10 21 150 14300 -66.5 -70.2 60 3.7 -66.5 95 25 355.5 355.5 297.8 355.6 0.02 22 144 14546 -68.9 -72.4 60 3.5 -68.9 91 27 355.5 355.5 297.8 355.6 0.01 23 100 16640 -85.9 -90.9 40 5.0 -85.9 90 15 361.8 361.8 299.1 361.8 0.00 24 96 16862 -87.3 -92.3 39 5.0 -87.3 95 21 363.3 363.3 299.3 363.3 0.00 25 78 18025 -74.3 -76.7 69 2.4 -74.3 72 24 412.5 412.5 306.8 412.5 0.01 26 70 18650 -75.9 -80.7 47 4.8 -75.9 50 15 422.0 422.0 308.0 422.0 0.01 27 64 19174 -69.9 -75.9 41 6.0 -70.0 93 10 446.1 446.1 310.5 446.2 0.02 28 50 20640 -69.5 -84.5 10 15.0 -69.6 95 27 479.7 479.7 313.4 479.7 0.01 29 49 20760 -69.7 -86.7 7 17.0 -69.9 94 28 482.0 482.0 313.6 482.0 0.00 TRP 96 16862 -87.3 -92.3 39 5.0 -87.3 95 21 363.3 363.3 299.3 363.3 0.00 WND Sounding variables and indices 1000-500 mb thick: 5794.09 m Freezing level: 542.84 mb = 5200.89 m = 17063.08 ft Wetbulb zero: 570.07 mb = 4798.94 m = 15744.35 ft Precipitable water: 2.59 inches Sfc-500 mean rel hum: 82.65 % Est. max temperature: 33.44 C = 92.20 F Sfc-Lift cond lev (LCL): 989.02 mb = 152.51 m = 500.37 ft T: 26.17 C 700-500 lapse rate: 5.37 C/km ThetaE index: 13.05 C Layer 850.0- 700.0 mb Conv cond level (CCL): 891.19 mb = 1057.31 m = 3468.81 ft Mean mixing ratio: 18.48 g/kg Conv temperature: 31.72 C = 89.10 F Cap Strength: 1.18 C Lifted Index: -2.93 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.79 C Lifted Index @700 mb: -1.24 C Showalter Index: -0.77 C Risk: Thunderstorms probable Total Totals Index: 43.60 C Risk: None Vertical Totals Index: 22.90 C Cross Totals Index: 20.70 C K Index: 36.90 Risk: > 80 % chance of thunderstorms Sweat Index: 225.40 Risk: None Energy Index: -1.58 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1181.51 J/kg Max Up Vert Vel: 48.61 m/s Conv Inhibition (B-): 19.88 J/kg Cap Strength: 1.18 C Lift Cond Lev (LCL): 922.04 mb = 763.22 m = 2503.97 ft Lev Free Conv (LFC): 847.04 mb = 1493.98 m = 4901.44 ft Equ Level (EL): 127.04 mb = 15265.81 m = 50084.07 ft B at Equ Level: 1169.82 J/kg Max Parcel Lev (MPL): 77.04 mb = 18096.84 m = 59372.10 ft Wind level data Storm motion: 53 at 5 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 1003 30 270 5 5.0 -0.0 | 252 9 8.7 2.9 1 972 305 315 1 0.7 -0.7 | 244 5 4.4 2.2 2 906 914 295 3 2.7 -1.3 | 256 7 6.5 1.6 3 850 1464 345 5 1.3 -4.8 | 291 5 5.0 -2.0 4 786 2134 325 5 2.9 -4.1 | 281 7 6.6 -1.2 5 700 3115 350 9 1.6 -8.9 | 318 8 5.3 -6.0 6 655 3658 360 3 -0.0 -3.0 | 272 4 3.7 -0.1 7 607 4267 60 5 -4.3 -2.5 | 122 1 -0.6 0.4 8 543 5182 70 13 -12.2 -4.4 | 79 9 -8.5 -1.6 9 500 5850 50 9 -6.9 -5.8 | 47 4 -3.2 -2.9 10 466 6401 20 11 -3.8 -10.3 | 0 7 -0.0 -7.5 11 400 7580 25 9 -3.8 -8.2 | 1 5 -0.1 -5.3 12 367 8230 150 1 -0.5 0.9 | 221 5 3.2 3.7 13 300 9720 80 17 -16.7 -3.0 | 90 13 -13.0 -0.1 14 299 9754 75 19 -18.4 -4.9 | 82 15 -14.6 -2.0 15 251 10973 95 23 -22.9 2.0 | 104 20 -19.2 4.9 16 250 11000 90 23 -23.0 0.0 | 98 19 -19.3 2.9 17 200 12500 95 25 -24.9 2.2 | 103 22 -21.2 5.0 18 150 14300 95 25 -24.9 2.2 | 103 22 -21.2 5.0 19 127 15240 80 33 -32.5 -5.7 | 84 29 -28.8 -2.9 20 100 16640 90 15 -15.0 0.0 | 104 12 -11.3 2.9 21 98 16764 90 15 -15.0 0.0 | 104 12 -11.3 2.9 22 96 16862 95 21 -20.9 1.8 | 105 18 -17.2 4.7 23 88 17374 95 33 -32.9 2.9 | 101 30 -29.1 5.7 24 70 18650 50 15 -11.5 -9.6 | 49 10 -7.7 -6.8 25 61 19507 120 7 -6.1 3.5 | 160 7 -2.3 6.4 26 50 20640 95 27 -26.9 2.4 | 103 24 -23.2 5.2 27 46 21031 90 31 -31.0 0.0 | 96 27 -27.3 2.9 Wind Parameters Mean winds (0-6000m): 22.5 at 6.3 knts Storm direction: 52.5 at 4.7 knts Shear (0-3000m) pos: 1.7 neg: 0.4 tot: 2.2 10-3/s Storm rel Dir Shear (0-3000m): 63.3 deg Storm rel helicity (0-3000m) pos: 17.3 neg: -3.2 tot: 14.0 m^2/s^2 ave: 4.7 10^-3 m/s^2 rel: 0.46 Storm rel vorticity (0-3000m) horiz: 2.8 stream: 1.3 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 186.26 Bulk Shear: 6.34 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 ------------------------------------------------------------------------------- 500 286 2 249 6| 3.9 0.0 3.9| 1.8 -1.6 0.2 0.5 -0.00| 5.4 -0.0 1000 292 2 252 6| 1.9 0.9 2.8| 3.9 -1.6 2.4 2.4 0.17| 3.8 0.7 1500 312 3 262 6| 2.2 0.6 2.7| 8.7 -1.6 7.2 4.8 0.40| 3.6 1.5 2000 321 4 269 6| 1.6 0.7 2.3| 8.7 -2.9 5.8 2.9 0.29| 3.0 0.9 2500 324 4 273 6| 1.5 0.5 2.1| 12.1 -3.2 8.9 3.6 0.36| 2.9 1.0 3000 330 5 280 6| 1.7 0.4 2.2| 17.3 -3.2 14.0 4.7 0.46| 2.8 1.3 4000 339 5 286 6| 1.4 0.3 1.7| 18.6 -8.1 10.5 2.6 0.20| 3.2 0.7 5000 1 5 304 4| 1.9 0.3 2.2| 18.7 -8.5 10.2 2.0 0.17| 3.5 0.6 6000 23 6 336 3| 1.6 0.7 2.3| 18.9 -16.2 2.7 0.5 0.02| 3.6 0.1 Wrote GIF file: /home/apache/climate/data/raob//RP618/skewt/RP618.skewt.20251018.12.gif