UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120500.upa.cvt Date: 0000Z 5 DEC 25 Searching for RK102... Searching the city database file for: RK102 ... Date:0000Z 5 DEC 25 Station: RK102 WMO ident: 47102 Latitude: 37.97 Longitude: 124.63 ------------------------------------------------------------------------------- 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 1025 61 -0.5 -6.5 64 6.0 -2.5 75 2 270.7 271.1 269.3 277.0 2.29 1 1000 258 -1.7 -6.7 69 5.0 -3.4 65 7 271.5 271.8 269.8 277.8 2.31 2 925 874 -6.3 -8.7 83 2.4 -7.0 310 13 272.9 273.2 270.4 278.8 2.14 3 902 1070 -7.9 -10.1 84 2.2 -8.5 310 18 273.2 273.5 270.3 278.7 1.96 4 864 1403 -10.3 -14.6 71 4.3 -11.4 310 25 274.1 274.3 270.0 278.1 1.42 5 860 1439 -10.5 -16.5 61 6.0 -11.9 310 26 274.2 274.4 269.7 277.7 1.22 6 850 1529 -9.5 -26.5 24 17.0 -12.6 315 28 276.2 276.3 269.8 277.7 0.52 7 849 1538 -9.5 -27.5 22 18.0 -12.7 315 28 276.3 276.4 269.7 277.7 0.47 8 809 1909 -10.7 -31.7 16 21.0 -14.0 318 29 278.9 278.9 271.1 279.9 0.33 9 763 2361 -7.5 -40.5 5 33.0 -12.3 331 31 287.0 287.0 275.3 287.5 0.15 10 714 2876 -8.5 -40.5 6 32.0 -13.2 339 35 291.4 291.4 277.6 291.9 0.16 11 700 3029 -9.5 -39.5 7 30.0 -13.9 340 37 292.0 292.0 277.9 292.6 0.18 12 558 4739 -20.3 -52.3 4 32.0 -23.0 314 37 298.8 298.8 280.9 299.0 0.05 13 500 5540 -26.5 -55.5 5 29.0 -28.3 310 40 300.7 300.7 281.7 300.9 0.04 14 400 7110 -38.3 -61.3 7 23.0 -39.1 295 53 305.2 305.2 283.5 305.3 0.02 15 357 7886 -44.3 -58.3 20 14.0 -44.7 293 61 307.2 307.3 284.3 307.4 0.04 16 300 9040 -50.5 -63.5 20 13.0 -50.8 290 72 314.2 314.2 286.8 314.3 0.02 17 297 9105 -51.1 -64.1 20 13.0 -51.3 285 74 314.2 314.2 286.8 314.3 0.02 18 268 9776 -48.7 -69.7 7 21.0 -49.1 284 90 327.1 327.1 290.9 327.1 0.01 19 250 10230 -50.5 -69.5 9 19.0 -50.8 280 101 331.0 331.0 292.0 331.0 0.01 20 239 10523 -50.7 -70.9 7 20.2 -51.0 275 104 335.0 335.0 293.1 335.1 0.01 21 200 11680 -51.3 -76.3 4 25.0 -51.7 270 96 351.5 351.5 297.0 351.6 0.01 22 150 13530 -53.7 -81.7 2 28.0 -54.1 280 95 377.5 377.5 301.9 377.6 0.00 23 141 13928 -54.1 -82.1 2 28.0 -54.5 279 93 383.6 383.6 302.8 383.6 0.00 24 101 16038 -60.5 -84.5 3 24.0 -60.8 275 79 409.7 409.7 306.5 409.7 0.00 25 100 16100 -60.5 -84.5 3 24.0 -60.8 275 79 410.8 410.8 306.6 410.8 0.00 TRP 297 9105 -51.1 -64.1 20 13.0 -51.3 285 74 314.2 314.2 286.8 314.3 0.02 WND 239 10523 -50.7 -70.9 7 20.2 -51.0 275 104 335.0 335.0 293.1 335.1 0.01 Sounding variables and indices 1000-500 mb thick: 5282.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.17 inches Sfc-500 mean rel hum: 24.39 % Est. max temperature: 2.61 C = 36.69 F Sfc-Lift cond lev (LCL): 933.00 mb = 805.95 m = 2644.17 ft T: -5.79 C 700-500 lapse rate: 6.77 C/km ThetaE index: 1.06 C Layer 902.0- 850.0 mb Conv cond level (CCL): 890.87 mb = 1166.28 m = 3826.33 ft Mean mixing ratio: 2.24 g/kg Conv temperature: 2.24 C = 36.02 F Cap Strength: 18.18 C Lifted Index: 18.95 C Risk: None Lifted Index @300 mb: 25.59 C Lifted Index @700 mb: 14.62 C Showalter Index: 19.18 C Risk: None Total Totals Index: 17.00 C Risk: None Vertical Totals Index: 17.00 C Cross Totals Index: 0.00 C K Index: -39.50 Risk: None Sweat Index: 96.00 Risk: None Energy Index: 4.99 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.77 J/kg Max Up Vert Vel: 3.40 m/s Conv Inhibition (B-): 20911.36 J/kg Cap Strength: 18.90 C Lift Cond Lev (LCL): 912.16 mb = 982.92 m = 3224.75 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 351 at 23 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 1025 61 75 2 -1.9 -0.5 | 166 23 -5.5 22.2 1 1000 258 65 7 -6.3 -3.0 | 153 22 -9.9 19.7 2 994 305 70 7 -6.6 -2.4 | 153 23 -10.2 20.3 3 956 610 315 8 5.7 -5.7 | 187 17 2.1 17.0 4 925 874 310 13 10.0 -8.4 | 204 16 6.4 14.3 5 920 914 310 14 10.7 -9.0 | 208 15 7.1 13.7 6 851 1524 310 28 21.4 -18.0 | 255 18 17.9 4.7 7 850 1529 315 28 19.8 -19.8 | 260 16 16.2 2.9 8 786 2134 320 29 18.6 -22.2 | 268 15 15.1 0.5 9 756 2438 335 31 13.1 -28.1 | 300 11 9.5 -5.4 10 700 3029 340 37 12.7 -34.8 | 323 15 9.1 -12.1 11 643 3658 330 37 18.5 -32.0 | 302 18 14.9 -9.4 12 569 4572 315 36 25.5 -25.5 | 277 22 21.9 -2.8 13 504 5486 310 40 30.6 -25.7 | 276 27 27.1 -3.0 14 500 5540 310 40 30.6 -25.7 | 276 27 27.1 -3.0 15 462 6096 305 46 37.7 -26.4 | 276 34 34.1 -3.7 16 400 7110 295 53 48.0 -22.4 | 270 44 44.4 0.3 17 300 9040 290 72 67.7 -24.6 | 272 64 64.1 -1.9 18 297 9105 285 74 71.5 -19.2 | 267 68 67.9 3.5 19 295 9144 290 75 70.5 -25.7 | 273 67 66.9 -3.0 20 250 10230 280 101 99.5 -17.5 | 267 96 95.9 5.1 21 239 10523 275 104 103.6 -9.1 | 262 101 100.0 13.6 22 234 10668 275 104 103.6 -9.1 | 262 101 100.0 13.6 23 200 11680 270 96 96.0 -0.0 | 256 95 92.4 22.7 24 194 11887 270 96 96.0 -0.0 | 256 95 92.4 22.7 25 150 13530 280 95 93.6 -16.5 | 266 90 90.0 6.2 26 100 16100 275 79 78.7 -6.9 | 258 77 75.1 15.8 27 93 16459 275 79 78.7 -6.9 | 258 77 75.1 15.8 Wind Parameters Mean winds (0-6000m): 321.0 at 30.6 knts Storm direction: 351.0 at 23.0 knts Shear (0-3000m) pos: 4.0 neg: 3.2 tot: 7.2 10-3/s Storm rel Dir Shear (0-3000m): 155.9 deg Storm rel helicity (0-3000m) pos: 177.2 neg: -29.8 tot: 147.5 m^2/s^2 ave: 49.2 10^-3 m/s^2 rel: 0.68 Storm rel vorticity (0-3000m) horiz: 9.9 stream: 6.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.05 Bulk Shear: 121.28 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 42 6 157 20| 0.0 8.7 8.7| 33.4 -29.8 3.7 7.3 0.16| 17.4 2.8 1000 331 9 183 15| 0.0 9.6 9.6| 79.7 -29.8 50.0 50.0 0.49| 14.6 7.1 1500 317 14 205 14| 3.7 6.4 10.1|128.1 -29.8 98.4 65.6 0.62| 13.9 8.6 2000 317 18 220 13| 3.1 4.8 7.9|136.0 -29.8 106.3 53.1 0.63| 11.0 7.0 2500 321 20 232 12| 3.8 3.8 7.6|164.2 -29.8 134.4 53.8 0.68| 10.8 7.3 3000 326 23 246 10| 4.0 3.2 7.2|177.2 -29.8 147.5 49.2 0.68| 9.9 6.7 4000 328 26 267 10| 3.0 3.2 6.2|177.2 -73.0 104.3 26.1 0.44| 8.8 3.8 5000 325 28 272 13| 2.4 3.1 5.6|177.2 -99.1 78.2 15.6 0.33| 7.8 2.6 6000 321 31 274 16| 2.0 3.4 5.4|177.7-102.1 75.6 12.6 0.29| 7.3 2.1 Wrote GIF file: /home/apache/climate/data/raob//RK102/skewt/RK102.skewt.20251205.00.gif