UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121812.upa.cvt Date: 1200Z 18 DEC 25 Searching for WIII... Searching the city database file for: WIII ... Date:1200Z 18 DEC 25 Station: WIII WMO ident: 96749 Latitude: -6.12 Longitude: 106.65 Elevation: 8.00 ------------------------------------------------------------------------------- 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 8 25.2 23.7 91 1.5 24.1 280 5 297.8 301.2 297.1 352.0 18.65 1 1000 64 25.2 23.9 93 1.3 24.3 260 11 298.4 301.8 297.4 353.7 19.00 2 925 748 22.6 20.6 88 2.0 21.2 240 25 302.4 305.5 297.0 351.9 16.74 3 904 947 22.2 19.4 84 2.8 20.2 240 24 304.0 306.9 296.9 351.2 15.88 4 850 1478 19.2 16.7 85 2.5 17.5 240 22 306.3 308.9 296.4 348.9 14.21 5 764 2391 13.6 13.0 96 0.6 13.2 249 19 309.7 312.0 296.1 347.5 12.42 6 700 3128 10.6 4.6 66 6.0 7.1 245 18 314.2 315.7 293.9 338.0 7.62 7 669 3503 8.0 3.2 72 4.8 5.2 246 17 315.4 316.8 293.9 338.1 7.22 8 635 3931 5.4 -1.6 61 7.0 1.7 248 17 317.2 318.2 292.9 334.3 5.36 9 622 4100 5.2 -11.8 28 17.0 -2.0 248 17 318.8 319.3 290.9 327.1 2.49 10 588 4556 2.4 -23.6 13 26.0 -6.0 250 16 320.7 320.9 290.0 324.1 0.97 11 586 4584 2.2 -27.8 9 30.0 -6.6 250 16 320.8 321.0 289.7 323.2 0.66 12 582 4639 1.8 -10.2 41 12.0 -3.5 249 16 321.0 321.6 292.0 331.0 3.02 13 579 4681 1.4 -5.6 60 7.0 -2.0 249 16 321.0 321.8 293.1 335.2 4.35 14 577 4708 1.2 -3.0 74 4.2 -1.0 248 16 321.1 322.1 293.9 338.3 5.32 15 572 4778 1.0 -7.0 55 8.0 -2.8 247 16 321.6 322.4 293.0 334.6 3.96 16 544 5181 0.0 -3.9 75 3.9 -2.0 240 17 325.1 326.1 294.9 342.5 5.28 17 501 5834 -4.9 -5.4 96 0.5 -5.1 268 9 326.9 327.9 295.3 343.9 5.11 18 500 5850 -4.9 -5.4 96 0.5 -5.1 270 9 327.1 328.1 295.3 344.1 5.12 19 442 6814 -9.5 -10.6 92 1.1 -10.0 247 13 333.0 333.8 295.8 346.2 3.86 20 400 7580 -14.3 -16.4 84 2.1 -15.1 280 14 336.4 336.9 295.7 345.8 2.66 21 372 8126 -17.7 -20.1 81 2.4 -18.5 297 14 338.9 339.4 295.8 346.4 2.08 22 361 8350 -19.9 -26.9 54 7.0 -21.7 306 14 338.9 339.2 295.1 343.3 1.17 23 344 8706 -21.9 -26.0 69 4.1 -22.9 318 13 340.9 341.2 295.7 345.9 1.33 24 335 8900 -23.1 -26.4 74 3.3 -23.9 322 12 341.9 342.1 295.9 346.8 1.32 25 331 8988 -23.7 -29.7 58 6.0 -25.1 327 11 342.2 342.4 295.7 345.9 0.98 26 325 9121 -24.1 -27.2 75 3.1 -24.9 333 9 343.5 343.7 296.3 348.2 1.27 27 300 9700 -28.3 -32.5 67 4.2 -29.1 265 12 345.5 345.7 296.3 348.7 0.83 28 263 10630 -36.5 -42.5 54 6.0 -37.1 162 6 346.7 346.8 296.2 348.1 0.34 29 250 10980 -39.1 -42.7 69 3.6 -39.5 100 2 347.9 348.0 296.5 349.4 0.35 30 200 12470 -52.1 -56.6 58 4.5 -52.2 20 15 350.3 350.3 296.8 350.6 0.09 31 179 13178 -58.5 -61.7 66 3.2 -58.6 42 18 351.1 351.1 296.9 351.3 0.05 32 166 13648 -62.1 -67.1 51 5.0 -62.1 58 22 352.7 352.7 297.3 352.8 0.03 TRP WND Sounding variables and indices 1000-500 mb thick: 5786.00 m Freezing level: 544.00 mb = 5180.94 m = 16997.63 ft Wetbulb zero: 629.04 mb = 4007.94 m = 13149.24 ft Precipitable water: 2.34 inches Sfc-500 mean rel hum: 74.38 % Est. max temperature: 33.38 C = 92.08 F Sfc-Lift cond lev (LCL): 984.71 mb = 199.20 m = 653.55 ft T: 24.69 C 700-500 lapse rate: 5.69 C/km ThetaE index: 15.63 C Layer 925.0- 669.0 mb Conv cond level (CCL): 872.78 mb = 1250.02 m = 4101.08 ft Mean mixing ratio: 17.62 g/kg Conv temperature: 32.67 C = 90.80 F Cap Strength: 1.67 C Lifted Index: -2.87 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.37 C Lifted Index @700 mb: -0.73 C Showalter Index: -1.58 C Risk: Thunderstorms probable Total Totals Index: 45.70 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.10 C Cross Totals Index: 21.60 C K Index: 34.80 Risk: 60-80 % chance of thunderstorms Sweat Index: 253.40 Risk: None Energy Index: -1.04 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 766.60 J/kg Max Up Vert Vel: 39.16 m/s Conv Inhibition (B-): 39.90 J/kg Cap Strength: 1.64 C Lift Cond Lev (LCL): 931.22 mb = 689.24 m = 2261.25 ft Lev Free Conv (LFC): 806.22 mb = 1930.60 m = 6333.92 ft Wind level data Storm motion: 276 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 8 280 5 4.9 -0.9 | 93 8 -8.5 0.5 1 1000 64 260 11 10.8 1.9 | 142 4 -2.5 3.3 2 973 305 255 25 24.1 6.5 | 234 13 10.8 7.8 3 925 748 240 25 21.7 12.5 | 211 16 8.3 13.9 4 850 1478 240 22 19.1 11.0 | 205 14 5.7 12.4 5 787 2134 250 19 17.9 6.5 | 210 9 4.5 7.9 6 700 3128 245 18 16.3 7.6 | 198 9 2.9 9.0 7 586 4572 250 16 15.0 5.5 | 194 7 1.7 6.8 8 543 5182 240 17 14.7 8.5 | 188 10 1.3 9.9 9 523 5486 220 9 5.8 6.9 | 137 11 -7.6 8.2 10 500 5850 270 9 9.0 -0.0 | 107 5 -4.4 1.4 11 466 6401 250 10 9.4 3.4 | 140 6 -4.0 4.8 12 430 7010 245 15 13.6 6.3 | 182 8 0.2 7.7 13 400 7580 280 14 13.8 -2.4 | 339 1 0.4 -1.1 14 398 7620 275 14 13.9 -1.2 | 257 1 0.6 0.1 15 351 8534 315 14 9.9 -9.9 | 22 9 -3.5 -8.5 16 337 8839 320 13 8.4 -10.0 | 30 10 -5.0 -8.6 17 324 9144 335 9 3.8 -8.2 | 55 12 -9.6 -6.8 18 300 9700 265 12 12.0 1.0 | 149 3 -1.4 2.4 19 298 9754 275 10 10.0 -0.9 | 98 3 -3.4 0.5 20 273 10363 175 5 -0.4 5.0 | 115 15 -13.8 6.3 21 261 10668 160 6 -2.1 5.6 | 114 17 -15.4 7.0 22 250 10973 105 6 -5.8 1.6 | 99 19 -19.2 2.9 23 250 10980 100 2 -2.0 0.3 | 96 15 -15.3 1.7 24 228 11582 85 11 -11.0 -1.0 | 91 24 -24.3 0.4 25 209 12192 30 14 -7.0 -12.1 | 62 23 -20.4 -10.8 26 200 12470 20 15 -5.1 -14.1 | 55 22 -18.5 -12.7 27 190 12802 30 15 -7.5 -13.0 | 61 24 -20.9 -11.6 28 164 13716 60 23 -19.9 -11.5 | 73 35 -33.3 -10.1 Wind Parameters Mean winds (0-6000m): 245.8 at 17.9 knts Storm direction: 275.8 at 13.4 knts Shear (0-3000m) pos: 1.0 neg: 3.4 tot: 4.5 10-3/s Storm rel Dir Shear (0-3000m): 106.2 deg Storm rel helicity (0-3000m) pos: 22.2 neg: -32.6 tot: -10.4 m^2/s^2 ave: -3.5 10^-3 m/s^2 rel: 0.20 Storm rel vorticity (0-3000m) horiz: 6.5 stream: 1.3 10^-3/s Energy-Hel index: 0.10 Bulk Rich Number: 507.98 Bulk Shear: 1.51 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 ------------------------------------------------------------------------------- 500 254 20 220 9| 0.0 21.5 21.5| 19.4 -10.0 9.4 18.8 0.52| 25.8 13.4 1000 247 22 216 12| 0.0 10.5 10.5| 19.4 -24.9 -5.5 -5.5 0.32| 15.2 4.8 1500 245 22 213 13| 0.7 7.0 7.7| 19.4 -28.6 -9.3 -6.2 0.26| 10.8 2.9 2000 245 22 211 13| 1.4 5.2 6.6| 21.9 -28.6 -6.7 -3.4 0.26| 9.1 2.4 2500 245 21 211 12| 1.3 4.2 5.4| 22.2 -30.3 -8.1 -3.3 0.23| 7.5 1.8 3000 246 21 210 11| 1.0 3.4 4.5| 22.2 -32.6 -10.4 -3.5 0.20| 6.5 1.3 4000 246 20 207 11| 1.0 2.6 3.6| 22.2 -33.8 -11.7 -2.9 0.18| 5.1 0.9 5000 246 19 205 10| 0.9 2.2 3.1| 22.2 -35.7 -13.6 -2.7 0.15| 4.4 0.6 6000 246 18 199 9| 1.1 1.3 2.4| 22.9 -65.1 -42.2 -7.0 -0.09| 5.1 -0.4 Wrote GIF file: /home/apache/climate/data/raob//WIII/skewt/WIII.skewt.20251218.12.gif