UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120900.upa.cvt Date: 0000Z 9 DEC 25 Searching for RP618... Searching the city database file for: RP618 ... Date:0000Z 9 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 1007 25 28.2 25.4 85 2.8 26.1 180 3 300.7 304.5 299.0 361.7 20.69 1 975 309 25.6 25.2 98 0.4 25.3 140 7 300.9 304.8 299.3 363.2 21.13 2 966 390 24.8 24.8 100 0.0 24.8 139 8 300.9 304.7 299.1 362.3 20.81 3 911 900 22.0 21.1 95 0.9 21.3 130 13 303.1 306.4 297.7 355.2 17.55 4 850 1497 18.6 17.8 95 0.8 18.1 120 19 305.6 308.5 296.9 351.3 15.26 5 792 2101 14.8 14.7 99 0.1 14.7 120 19 307.8 310.3 296.3 348.3 13.40 6 708 3045 10.0 10.0 100 0.0 10.0 106 24 312.5 314.6 295.8 346.3 10.96 7 700 3140 10.0 9.3 95 0.7 9.6 105 25 313.6 315.6 295.8 346.3 10.57 8 662 3604 8.8 -0.2 53 9.0 3.9 105 27 317.3 318.4 293.2 335.4 5.70 9 644 3832 8.0 -6.0 36 14.0 1.2 106 25 318.9 319.6 292.0 331.2 3.79 10 622 4118 5.8 0.8 70 5.0 3.0 109 23 319.5 320.8 294.4 340.5 6.54 11 616 4197 5.8 -2.2 56 8.0 1.5 109 22 320.4 321.4 293.7 337.5 5.29 12 593 4508 3.8 -4.2 56 8.0 -0.3 107 22 321.6 322.5 293.6 337.0 4.73 13 564 4915 2.6 -22.4 14 25.0 -5.9 102 23 324.8 325.0 291.4 328.8 1.12 14 500 5880 -3.5 -30.5 10 27.0 -10.8 90 27 328.8 328.9 292.0 331.0 0.60 15 483 6151 -5.5 -34.5 8 29.0 -12.4 90 26 329.6 329.7 292.0 331.2 0.42 16 469 6381 -6.5 -18.5 38 12.0 -10.8 90 25 331.1 331.5 293.7 337.8 1.90 17 456 6599 -7.3 -23.3 27 16.0 -12.3 90 25 332.8 333.1 293.7 337.4 1.28 18 448 6736 -8.5 -25.5 24 17.0 -13.5 90 24 333.0 333.2 293.5 336.9 1.07 19 414 7340 -13.9 -25.9 36 12.0 -17.2 90 22 333.6 333.9 293.7 337.7 1.12 20 400 7600 -15.1 -32.1 22 17.0 -19.0 90 21 335.4 335.5 293.8 337.8 0.65 21 385 7888 -15.7 -43.7 7 28.0 -20.4 88 23 338.3 338.3 294.1 339.1 0.21 22 342 8769 -22.1 -49.1 7 27.0 -25.5 86 25 341.2 341.2 294.7 341.7 0.13 23 326 9120 -23.9 -42.9 16 19.0 -26.6 87 22 343.4 343.5 295.4 344.5 0.27 24 300 9720 -29.1 -50.1 11 21.0 -31.2 90 17 344.4 344.4 295.5 344.9 0.13 25 294 9865 -29.9 -52.9 9 23.0 -32.0 83 16 345.2 345.2 295.7 345.6 0.10 26 278 10262 -33.3 -41.3 45 8.0 -34.3 64 14 345.9 346.0 296.0 347.4 0.37 27 257 10810 -37.9 -58.9 9 21.0 -39.1 38 10 347.0 347.0 296.0 347.2 0.05 28 250 11000 -39.5 -60.5 9 21.0 -40.5 40 9 347.3 347.3 296.1 347.5 0.04 29 228 11621 -44.5 -54.5 32 10.0 -45.0 42 13 349.0 349.0 296.5 349.4 0.10 30 200 12480 -52.1 -73.1 6 21.0 -52.5 115 23 350.3 350.3 296.7 350.3 0.01 31 157 14003 -64.7 -79.7 11 15.0 -64.8 148 13 354.0 354.0 297.5 354.0 0.00 32 150 14280 -67.3 -77.3 23 10.0 -67.4 135 15 354.2 354.2 297.5 354.2 0.01 33 140 14693 -70.5 -77.5 35 7.0 -70.5 128 18 355.6 355.6 297.8 355.6 0.01 34 100 16610 -86.5 -95.5 18 9.0 -86.5 95 29 360.6 360.6 298.8 360.6 0.00 35 97 16775 -87.9 -97.9 14 10.0 -87.9 95 29 361.0 361.0 298.9 361.0 0.00 36 92 17058 -90.1 -99.1 16 9.0 -90.1 105 31 362.2 362.2 299.1 362.2 0.00 37 87 17355 -91.3 -99.3 19 8.0 -91.3 115 33 365.6 365.6 299.8 365.6 0.00 38 70 18540 -80.9 -85.9 43 5.0 -80.9 110 33 411.3 411.3 306.7 411.3 0.00 39 60 19426 -72.9 -90.9 5 18.0 -73.0 148 21 447.7 447.7 310.6 447.7 0.00 TRP 87 17355 -91.3 -99.3 19 8.0 -91.3 115 33 365.6 365.6 299.8 365.6 0.00 WND Sounding variables and indices 1000-500 mb thick: 5793.84 m Freezing level: 536.72 mb = 5326.40 m = 17474.84 ft Wetbulb zero: 596.46 mb = 4460.52 m = 14634.07 ft Precipitable water: 2.27 inches Sfc-500 mean rel hum: 69.25 % Est. max temperature: 32.79 C = 91.03 F Sfc-Lift cond lev (LCL): 967.47 mb = 376.93 m = 1236.64 ft T: 24.93 C 700-500 lapse rate: 4.93 C/km ThetaE index: 32.04 C Layer 966.0- 622.0 mb Conv cond level (CCL): 942.37 mb = 605.76 m = 1987.39 ft Mean mixing ratio: 19.80 g/kg Conv temperature: 29.30 C = 84.74 F Cap Strength: 0.09 C Lifted Index: -3.93 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -5.92 C Lifted Index @700 mb: -3.20 C Showalter Index: -1.00 C Risk: Thunderstorms probable Total Totals Index: 43.40 C Risk: None Vertical Totals Index: 22.10 C Cross Totals Index: 21.30 C K Index: 39.20 Risk: > 80 % chance of thunderstorms Sweat Index: 278.60 Risk: None Energy Index: -3.87 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2434.48 J/kg Max Up Vert Vel: 69.78 m/s Conv Inhibition (B-): 0.08 J/kg Cap Strength: 0.09 C Lift Cond Lev (LCL): 946.11 mb = 571.25 m = 1874.17 ft Lev Free Conv (LFC): 931.11 mb = 710.31 m = 2330.37 ft Equ Level (EL): 101.11 mb = 16546.97 m = 54287.30 ft B at Equ Level: 2428.95 J/kg Wind level data Storm motion: 139 at 15 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 1007 25 180 3 0.0 3.0 | 310 13 10.1 -8.5 1 975 305 140 7 -4.5 5.4 | 317 8 5.6 -6.1 2 909 914 130 13 -10.0 8.4 | 357 3 0.2 -3.1 3 850 1497 120 19 -16.5 9.5 | 73 7 -6.3 -2.0 4 788 2134 120 19 -16.5 9.5 | 73 7 -6.3 -2.0 5 700 3140 105 25 -24.1 6.5 | 70 15 -14.0 -5.0 6 657 3658 105 27 -26.1 7.0 | 74 17 -16.0 -4.5 7 610 4267 110 21 -19.7 7.2 | 66 11 -9.6 -4.3 8 500 5880 90 27 -27.0 0.0 | 56 20 -16.9 -11.5 9 400 7600 90 21 -21.0 0.0 | 43 16 -10.9 -11.5 10 352 8534 85 27 -26.9 -2.4 | 50 22 -16.8 -13.8 11 300 9720 90 17 -17.0 0.0 | 31 13 -6.9 -11.5 12 251 10973 30 9 -4.5 -7.8 | 344 20 5.6 -19.3 13 250 11000 40 9 -5.8 -6.9 | 347 19 4.3 -18.4 14 229 11582 40 13 -8.4 -10.0 | 355 22 1.8 -21.4 15 200 12480 115 23 -20.8 9.7 | 81 11 -10.7 -1.8 16 164 13716 160 11 -3.8 10.3 | 280 6 6.4 -1.1 17 150 14280 135 15 -10.6 10.6 | 29 1 -0.5 -0.9 18 103 16459 95 33 -32.9 2.9 | 69 24 -22.8 -8.6 19 100 16610 95 29 -28.9 2.5 | 64 21 -18.8 -9.0 20 97 16764 95 29 -28.9 2.5 | 64 21 -18.8 -9.0 21 87 17355 115 33 -29.9 13.9 | 97 20 -19.8 2.5 22 87 17374 105 27 -26.1 7.0 | 74 17 -16.0 -4.5 23 82 17678 125 40 -32.8 22.9 | 117 25 -22.6 11.5 24 78 17983 100 29 -28.6 5.0 | 71 20 -18.4 -6.4 25 70 18540 110 33 -31.0 11.3 | 89 21 -20.9 -0.2 26 69 18593 85 52 -51.8 -4.5 | 69 45 -41.7 -16.0 27 55 19812 185 3 0.3 3.0 | 309 13 10.4 -8.5 Wind Parameters Mean winds (0-6000m): 108.6 at 20.4 knts Storm direction: 138.6 at 15.3 knts Shear (0-3000m) pos: 0.0 neg: 4.1 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): 121.2 deg Storm rel helicity (0-3000m) pos: 12.4 neg: -2.7 tot: 9.7 m^2/s^2 ave: 3.2 10^-3 m/s^2 rel: 0.34 Storm rel vorticity (0-3000m) horiz: 4.4 stream: 1.5 10^-3/s Energy-Hel index: 0.19 Bulk Rich Number: 74.89 Bulk Shear: 32.51 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 ------------------------------------------------------------------------------- 500 144 6 315 9| 0.0 7.5 7.5| 4.6 -1.0 3.6 7.2 0.23| 7.7 1.7 1000 135 9 323 6| 0.0 6.4 6.4| 8.4 -1.0 7.4 7.4 0.42| 6.6 2.8 1500 129 12 344 4| 0.0 6.1 6.1| 12.2 -1.0 11.2 7.4 0.49| 6.2 3.1 2000 126 13 12 4| 0.0 4.6 4.6| 12.2 -1.0 11.2 5.6 0.49| 4.7 2.3 2500 124 15 33 4| 0.0 4.2 4.2| 12.4 -1.1 11.4 4.6 0.43| 4.4 1.9 3000 120 16 49 5| 0.0 4.1 4.1| 12.4 -2.7 9.7 3.2 0.34| 4.4 1.5 4000 115 19 61 8| 0.4 3.3 3.8| 16.5 -6.6 9.9 2.5 0.27| 4.1 1.1 5000 113 19 63 9| 0.3 2.8 3.1| 16.5 -12.7 3.8 0.8 0.17| 4.0 0.7 6000 109 20 62 10| 0.3 2.6 2.9| 16.5 -23.3 -6.7 -1.1 0.10| 3.8 0.4 Wrote GIF file: /home/apache/climate/data/raob//RP618/skewt/RP618.skewt.20251209.00.gif