UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120812.upa.cvt Date: 1200Z 8 DEC 25 Searching for RP618... Searching the city database file for: RP618 ... Date:1200Z 8 DEC 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 1006 21 28.8 25.2 81 3.6 26.1 60 9 301.4 305.2 299.1 361.9 20.46 1 974 306 26.0 24.6 92 1.4 25.0 75 9 301.4 305.2 299.0 361.6 20.38 2 909 909 22.0 20.6 92 1.4 21.0 90 15 303.3 306.5 297.5 353.9 17.04 3 850 1487 19.0 17.7 92 1.3 18.1 95 13 306.0 308.9 297.0 351.6 15.16 4 809 1911 16.0 15.9 99 0.1 16.0 98 13 307.2 309.9 296.6 350.0 14.19 5 791 2103 15.0 15.0 100 0.0 15.0 100 13 308.1 310.7 296.5 349.5 13.69 6 729 2793 12.0 11.9 99 0.1 11.9 104 20 312.1 314.4 296.5 349.4 12.10 7 700 3134 11.2 8.3 82 2.9 9.4 110 19 314.9 316.8 295.7 345.6 9.87 8 691 3242 11.0 7.2 77 3.8 8.6 111 18 315.8 317.6 295.5 344.9 9.27 9 662 3599 9.0 5.5 79 3.5 6.9 114 16 317.5 319.1 295.4 344.6 8.59 10 631 3996 7.2 2.7 73 4.5 4.6 118 17 319.8 321.2 295.1 343.4 7.39 11 616 4193 5.6 2.7 82 2.9 3.9 119 18 320.2 321.7 295.4 344.4 7.57 12 500 5870 -4.9 -6.5 89 1.6 -5.7 115 23 327.1 328.0 295.0 342.7 4.71 13 469 6372 -7.1 -16.1 49 9.0 -10.5 118 22 330.4 330.8 293.9 338.4 2.32 14 454 6625 -8.3 -14.3 62 6.0 -10.7 119 22 332.0 332.5 294.7 341.6 2.78 15 436 6939 -9.5 -32.5 13 23.0 -15.1 121 22 334.3 334.4 293.4 336.4 0.57 16 421 7209 -11.1 -21.1 43 10.0 -14.4 123 21 335.6 336.0 294.7 341.7 1.69 17 400 7600 -13.7 -24.7 39 11.0 -16.9 125 21 337.2 337.4 294.8 341.9 1.29 18 386 7871 -14.7 -31.7 22 17.0 -18.7 125 21 339.3 339.5 294.8 342.0 0.70 19 326 9128 -23.9 -48.9 8 25.0 -26.9 125 20 343.4 343.5 295.3 344.0 0.14 20 300 9730 -28.5 -48.5 13 20.0 -30.7 125 19 345.2 345.2 295.7 345.9 0.16 21 258 10784 -37.3 -63.3 5 26.0 -38.6 129 17 347.5 347.5 296.1 347.6 0.03 22 250 11000 -38.9 -63.9 5 25.0 -40.1 125 17 348.2 348.2 296.3 348.4 0.03 23 234 11451 -42.9 -61.9 11 19.0 -43.7 121 17 348.8 348.8 296.4 349.0 0.04 24 222 11804 -46.1 -53.1 45 7.0 -46.4 118 17 349.2 349.2 296.5 349.7 0.12 25 207 12266 -49.7 -61.7 23 12.0 -50.1 115 17 350.6 350.6 296.8 350.8 0.05 26 200 12490 -51.9 -58.9 43 7.0 -52.1 115 19 350.6 350.6 296.8 350.9 0.07 27 193 12720 -53.9 -58.9 54 5.0 -54.1 109 22 351.0 351.0 296.9 351.3 0.07 28 165 13713 -60.9 -65.9 52 5.0 -61.0 80 38 355.3 355.3 297.8 355.5 0.03 29 150 14300 -65.9 -72.9 37 7.0 -66.0 80 35 356.6 356.6 298.0 356.6 0.01 30 105 16363 -84.9 -91.9 28 7.0 -84.9 101 40 358.7 358.7 298.4 358.7 0.00 31 100 16630 -86.7 -93.7 27 7.0 -86.7 105 42 360.2 360.2 298.7 360.2 0.00 32 98 16740 -87.3 -94.3 26 7.0 -87.3 105 42 361.1 361.1 298.9 361.1 0.00 33 92 17083 -89.1 -95.1 31 6.0 -89.1 120 38 364.2 364.2 299.5 364.2 0.00 34 76 18115 -88.5 -93.5 38 5.0 -88.5 94 22 385.9 385.9 303.2 385.9 0.00 35 70 18570 -80.7 -84.8 50 4.1 -80.7 105 44 411.7 411.7 306.7 411.8 0.00 36 66 18907 -74.7 -79.1 50 4.4 -74.7 105 45 431.8 431.8 309.0 431.8 0.01 37 50 20543 -69.1 -85.1 8 16.0 -69.3 97 3 480.7 480.7 313.5 480.7 0.01 TRP 92 17083 -89.1 -95.1 31 6.0 -89.1 120 38 364.2 364.2 299.5 364.2 0.00 WND Sounding variables and indices 1000-500 mb thick: 5796.32 m Freezing level: 554.13 mb = 5087.53 m = 16691.15 ft Wetbulb zero: 568.79 mb = 4834.06 m = 15859.58 ft Precipitable water: 2.55 inches Sfc-500 mean rel hum: 88.30 % Est. max temperature: 33.14 C = 91.65 F Sfc-Lift cond lev (LCL): 955.41 mb = 474.18 m = 1555.70 ft T: 24.88 C 700-500 lapse rate: 5.88 C/km ThetaE index: 18.45 C Layer 974.0- 616.0 mb Conv cond level (CCL): 920.17 mb = 802.03 m = 2631.29 ft Mean mixing ratio: 19.18 g/kg Conv temperature: 30.35 C = 86.64 F Cap Strength: 0.51 C Lifted Index: -4.92 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -4.73 C Lifted Index @700 mb: -1.71 C Showalter Index: -2.52 C Risk: Severe thunderstorms possible Total Totals Index: 46.50 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.90 C Cross Totals Index: 22.60 C K Index: 38.70 Risk: > 80 % chance of thunderstorms Sweat Index: 261.40 Risk: None Energy Index: -1.78 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1909.23 J/kg Max Up Vert Vel: 61.79 m/s Conv Inhibition (B-): 1.59 J/kg Cap Strength: 0.51 C Lift Cond Lev (LCL): 932.33 mb = 687.52 m = 2255.63 ft Lev Free Conv (LFC): 907.33 mb = 924.43 m = 3032.86 ft Equ Level (EL): 107.33 mb = 16235.67 m = 53266.00 ft B at Equ Level: 1908.79 J/kg Max Parcel Lev (MPL): 67.33 mb = 18792.59 m = 61654.73 ft Wind level data Storm motion: 138 at 13 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 1006 21 60 9 -7.8 -4.5 | 357 14 0.8 -13.8 1 974 305 75 9 -8.7 -2.3 | 1 12 -0.1 -11.7 2 908 914 90 15 -15.0 0.0 | 35 11 -6.4 -9.3 3 850 1487 95 13 -13.0 1.1 | 28 9 -4.4 -8.2 4 788 2134 100 13 -12.8 2.3 | 31 8 -4.2 -7.1 5 707 3048 105 23 -22.2 6.0 | 76 14 -13.7 -3.4 6 700 3134 110 19 -17.9 6.5 | 73 10 -9.3 -2.8 7 656 3658 115 15 -13.6 6.3 | 59 6 -5.0 -3.0 8 609 4267 120 19 -16.5 9.5 | 91 8 -7.9 0.2 9 500 5870 115 23 -20.8 9.7 | 92 12 -12.3 0.4 10 400 7600 125 21 -17.2 12.0 | 107 9 -8.6 2.7 11 300 9730 125 19 -15.6 10.9 | 103 7 -7.0 1.6 12 251 10973 130 17 -13.0 10.9 | 110 5 -4.5 1.6 13 250 11000 125 17 -13.9 9.8 | 94 5 -5.4 0.4 14 209 12192 115 17 -15.4 7.2 | 72 7 -6.8 -2.2 15 200 12490 115 19 -17.2 8.0 | 81 9 -8.7 -1.3 16 165 13716 80 38 -37.4 -6.6 | 61 33 -28.9 -15.9 17 150 14300 80 35 -34.5 -6.1 | 59 30 -25.9 -15.4 18 134 14935 80 27 -26.6 -4.7 | 52 23 -18.0 -14.0 19 100 16630 105 42 -40.6 10.9 | 93 32 -32.0 1.5 20 98 16764 105 42 -40.6 10.9 | 93 32 -32.0 1.5 21 92 17069 105 42 -40.6 10.9 | 93 32 -32.0 1.5 22 92 17083 120 38 -32.9 19.0 | 112 26 -24.3 9.7 23 87 17374 125 38 -31.1 21.8 | 119 26 -22.6 12.5 24 78 17983 90 15 -15.0 0.0 | 35 11 -6.4 -9.3 25 70 18570 105 44 -42.5 11.4 | 93 34 -33.9 2.0 26 70 18593 90 52 -52.0 0.0 | 78 44 -43.4 -9.3 27 55 19812 155 23 -9.7 20.8 | 174 12 -1.2 11.5 28 49 20422 90 1 -1.0 0.0 | 321 12 7.6 -9.3 29 47 20726 360 19 -0.0 -19.0 | 343 30 8.6 -28.3 Wind Parameters Mean winds (0-6000m): 107.5 at 16.9 knts Storm direction: 137.5 at 12.7 knts Shear (0-3000m) pos: 3.0 neg: 0.0 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 78.4 deg Storm rel helicity (0-3000m) pos: 46.2 neg: -3.0 tot: 43.1 m^2/s^2 ave: 14.4 10^-3 m/s^2 rel: 0.67 Storm rel vorticity (0-3000m) horiz: 3.8 stream: 2.5 10^-3/s Energy-Hel index: 0.29 Bulk Rich Number: 126.61 Bulk Shear: 15.08 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 72 9 2 12| 4.2 0.0 4.2| 10.0 0.0 10.0 20.0 0.69| 4.7 3.3 1000 81 11 14 11| 4.3 0.0 4.3| 23.4 -0.5 22.9 22.9 0.79| 4.9 3.8 1500 86 12 19 11| 2.6 0.0 2.6| 23.4 -3.0 20.4 13.6 0.57| 3.9 2.2 2000 89 12 22 10| 2.1 0.0 2.1| 24.1 -3.0 21.1 10.6 0.56| 3.2 1.8 2500 92 13 26 10| 2.5 0.0 2.5| 33.5 -3.0 30.5 12.2 0.64| 3.4 2.2 3000 95 14 34 10| 3.0 0.0 3.0| 46.2 -3.0 43.1 14.4 0.67| 3.8 2.5 4000 100 15 42 9| 1.9 0.0 1.9| 49.7 -7.5 42.2 10.6 0.46| 4.2 1.9 5000 105 16 52 9| 1.7 0.1 1.9| 52.8 -7.5 45.3 9.1 0.45| 3.8 1.7 6000 108 17 61 9| 1.4 0.3 1.7| 53.6 -7.7 45.9 7.7 0.43| 3.4 1.4 Wrote GIF file: /home/apache/climate/data/raob//RP618/skewt/RP618.skewt.20251208.12.gif