UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120912.upa.cvt Date: 1200Z 9 DEC 25 Searching for RP618... Searching the city database file for: RP618 ... Date:1200Z 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 1008 30 26.2 25.0 93 1.2 25.3 210 3 298.7 302.3 298.2 357.5 20.16 1 995 143 26.6 25.3 93 1.3 25.6 163 5 300.2 304.0 299.0 361.4 20.82 2 976 312 25.4 24.9 97 0.5 25.0 95 7 300.6 304.4 299.0 361.7 20.72 3 912 901 22.2 20.0 87 2.2 20.6 80 19 303.2 306.3 297.0 351.8 16.35 4 874 1267 19.2 19.0 99 0.2 19.1 86 19 303.8 306.8 297.0 351.5 16.02 5 850 1505 18.4 17.7 96 0.7 17.9 90 19 305.4 308.2 296.8 350.8 15.16 6 793 2099 15.6 14.5 93 1.1 14.8 104 10 308.6 311.0 296.3 348.6 13.21 7 784 2196 15.8 14.3 91 1.5 14.8 104 9 309.8 312.3 296.6 350.0 13.19 8 700 3152 9.8 8.9 94 0.9 9.2 95 13 313.3 315.3 295.6 345.2 10.29 9 674 3466 8.6 7.2 91 1.4 7.8 104 15 315.4 317.2 295.6 345.1 9.50 10 663 3602 8.4 2.4 66 6.0 4.9 108 16 316.7 318.0 293.9 338.4 6.88 11 643 3854 7.2 -2.8 49 10.0 2.0 110 18 318.1 319.0 292.7 333.7 4.84 12 617 4192 5.4 -4.6 48 10.0 0.4 110 19 319.8 320.7 292.8 334.1 4.41 13 591 4543 3.4 -15.6 23 19.0 -4.0 97 26 321.4 321.8 291.1 327.9 1.92 14 557 5021 0.0 -9.0 51 9.0 -4.1 95 28 322.9 323.6 292.9 334.4 3.47 15 538 5298 -1.1 -20.1 22 19.0 -7.7 95 28 324.8 325.1 291.7 329.8 1.44 16 526 5478 -1.9 -12.9 43 11.0 -6.5 95 28 326.0 326.5 293.1 335.1 2.69 17 508 5754 -2.9 -23.9 18 21.0 -9.5 95 29 328.0 328.2 292.2 331.9 1.09 18 500 5880 -3.7 -22.7 21 19.0 -9.9 95 29 328.5 328.8 292.5 332.9 1.23 19 450 6707 -8.9 -15.9 57 7.0 -11.6 81 26 332.0 332.5 294.4 340.6 2.46 20 400 7610 -15.5 -22.5 55 7.0 -17.6 105 29 334.8 335.2 294.4 340.5 1.57 21 391 7781 -17.1 -24.1 55 7.0 -19.1 105 29 334.9 335.2 294.3 340.0 1.39 22 377 8055 -15.9 -43.9 7 28.0 -20.5 97 31 340.0 340.1 294.5 340.9 0.21 23 368 8236 -17.3 -46.3 6 29.0 -21.7 85 35 340.5 340.6 294.6 341.2 0.16 24 307 9565 -27.7 -52.7 7 25.0 -30.2 75 30 344.1 344.1 295.4 344.5 0.09 25 300 9730 -28.9 -45.9 18 17.0 -30.9 75 33 344.6 344.7 295.6 345.5 0.21 26 293 9897 -30.5 -41.5 33 11.0 -31.9 75 34 344.7 344.8 295.7 346.1 0.34 27 280 10217 -32.9 -55.9 8 23.0 -34.6 76 34 345.8 345.8 295.7 346.1 0.07 28 258 10784 -37.5 -60.5 7 23.0 -38.8 79 32 347.2 347.2 296.0 347.4 0.04 29 250 11000 -39.3 -61.3 8 22.0 -40.4 80 29 347.6 347.6 296.1 347.8 0.04 30 239 11307 -42.1 -63.1 8 21.0 -43.0 77 26 347.9 347.9 296.2 348.1 0.03 31 225 11713 -44.9 -52.9 40 8.0 -45.3 88 21 349.7 349.7 296.7 350.2 0.13 32 211 12140 -48.7 -52.4 65 3.7 -48.9 133 12 350.2 350.3 296.8 350.8 0.14 33 200 12490 -51.5 -56.1 58 4.6 -51.7 170 5 351.2 351.2 297.0 351.6 0.10 34 150 14290 -67.1 -71.3 55 4.2 -67.1 110 7 354.5 354.5 297.6 354.6 0.02 35 112 15990 -81.9 -86.5 45 4.6 -81.9 81 21 357.7 357.7 298.2 357.7 0.00 36 107 16246 -81.9 -86.9 42 5.0 -81.9 87 25 362.4 362.4 299.2 362.4 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5780.57 m Freezing level: 557.00 mb = 5020.63 m = 16471.67 ft Wetbulb zero: 614.80 mb = 4221.44 m = 13849.70 ft Precipitable water: 2.30 inches Sfc-500 mean rel hum: 70.89 % Est. max temperature: 32.43 C = 90.38 F Sfc-Lift cond lev (LCL): 991.07 mb = 178.03 m = 584.09 ft T: 26.35 C 700-500 lapse rate: 4.95 C/km ThetaE index: 16.29 C Layer 700.0- 617.0 mb Conv cond level (CCL): 920.75 mb = 818.32 m = 2684.76 ft Mean mixing ratio: 19.10 g/kg Conv temperature: 30.41 C = 86.73 F Cap Strength: 0.63 C Lifted Index: -3.37 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -4.60 C Lifted Index @700 mb: -2.82 C Showalter Index: -1.02 C Risk: Thunderstorms probable Total Totals Index: 43.50 C Risk: None Vertical Totals Index: 22.10 C Cross Totals Index: 21.40 C K Index: 38.90 Risk: > 80 % chance of thunderstorms Sweat Index: 279.40 Risk: None Energy Index: -3.45 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1850.55 J/kg Max Up Vert Vel: 60.84 m/s Conv Inhibition (B-): 3.87 J/kg Cap Strength: 0.63 C Lift Cond Lev (LCL): 940.89 mb = 630.33 m = 2067.99 ft Lev Free Conv (LFC): 905.89 mb = 959.04 m = 3146.43 ft Equ Level (EL): 115.89 mb = 15791.06 m = 51807.32 ft B at Equ Level: 1849.91 J/kg Wind level data Storm motion: 126 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 1008 30 210 3 1.5 2.6 | 293 13 12.2 -5.3 1 976 305 95 7 -7.0 0.6 | 333 8 3.8 -7.3 2 910 914 80 19 -18.7 -3.3 | 35 14 -8.0 -11.2 3 850 1505 90 19 -19.0 0.0 | 46 11 -8.3 -7.9 4 789 2134 105 9 -8.7 2.3 | 340 6 2.1 -5.5 5 735 2743 95 9 -9.0 0.8 | 346 7 1.8 -7.1 6 700 3152 95 13 -13.0 1.1 | 18 7 -2.2 -6.7 7 658 3658 110 17 -16.0 5.8 | 69 6 -5.2 -2.1 8 610 4267 110 19 -17.9 6.5 | 79 7 -7.1 -1.4 9 588 4572 95 27 -26.9 2.4 | 71 17 -16.1 -5.5 10 500 5880 95 29 -28.9 2.5 | 74 19 -18.1 -5.3 11 432 7010 75 25 -24.1 -6.5 | 43 20 -13.4 -14.3 12 400 7610 105 29 -28.0 7.5 | 89 17 -17.3 -0.4 13 383 7925 105 29 -28.0 7.5 | 89 17 -17.3 -0.4 14 368 8230 85 35 -34.9 -3.1 | 66 26 -24.1 -10.9 15 325 9144 75 21 -20.3 -5.4 | 36 16 -9.5 -13.3 16 300 9730 75 33 -31.9 -8.5 | 52 27 -21.1 -16.4 17 286 10058 75 35 -33.8 -9.1 | 54 29 -23.1 -16.9 18 251 10973 80 31 -30.5 -5.4 | 56 24 -19.8 -13.3 19 250 11000 80 29 -28.6 -5.0 | 54 22 -17.8 -12.9 20 229 11582 75 23 -22.2 -6.0 | 40 18 -11.5 -13.8 21 200 12490 170 5 -0.9 4.9 | 287 10 9.9 -2.9 22 190 12802 165 3 -0.8 2.9 | 297 11 10.0 -5.0 23 150 14290 110 7 -6.6 2.4 | 323 7 4.2 -5.5 24 135 14935 60 5 -4.3 -2.5 | 328 12 6.4 -10.4 25 104 16459 90 27 -27.0 0.0 | 64 18 -16.3 -7.9 Wind Parameters Mean winds (0-6000m): 96.2 at 17.8 knts Storm direction: 126.2 at 13.3 knts Shear (0-3000m) pos: 1.7 neg: 3.9 tot: 5.6 10-3/s Storm rel Dir Shear (0-3000m): 75.1 deg Storm rel helicity (0-3000m) pos: 49.4 neg: -15.8 tot: 33.5 m^2/s^2 ave: 11.2 10^-3 m/s^2 rel: 0.32 Storm rel vorticity (0-3000m) horiz: 7.0 stream: 2.3 10^-3/s Energy-Hel index: 0.50 Bulk Rich Number: 117.29 Bulk Shear: 15.78 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 ------------------------------------------------------------------------------- 500 100 7 329 8| 0.0 13.6 13.6| 21.7 -2.3 19.4 38.8 0.65| 15.5 10.1 1000 86 11 5 9| 0.0 10.8 10.8| 37.3 -2.3 35.0 35.0 0.66| 12.1 8.0 1500 86 14 20 9| 1.0 7.2 8.2| 43.1 -2.3 40.8 27.2 0.65| 9.1 5.9 2000 88 14 22 9| 2.5 5.4 7.9| 43.1 -13.4 29.7 14.8 0.32| 9.0 2.9 2500 90 13 17 8| 2.0 4.1 6.1| 43.9 -15.8 28.0 11.2 0.27| 7.8 2.1 3000 91 13 13 8| 1.7 3.9 5.6| 49.4 -15.8 33.5 11.2 0.32| 7.0 2.3 4000 95 13 21 7| 1.4 2.9 4.3| 61.4 -15.8 45.5 11.4 0.42| 6.3 2.6 5000 97 16 38 8| 1.1 3.5 4.6| 63.1 -21.8 41.3 8.3 0.32| 6.2 2.0 6000 96 18 49 9| 0.9 3.0 3.9| 65.4 -28.8 36.6 6.1 0.29| 5.4 1.6 Wrote GIF file: /home/apache/climate/data/raob//RP618/skewt/RP618.skewt.20251209.12.gif