UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120800.upa.cvt Date: 0000Z 8 DEC 25 Searching for VOCC... Searching the city database file for: VOCC ... Date:0000Z 8 DEC 25 Station: VOCC WMO ident: 43353 Latitude: 9.95 Longitude: 76.27 Elevation: 3.00 ------------------------------------------------------------------------------- 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 1011 3 26.6 21.6 74 5.0 23.0 0 0 298.8 301.8 295.8 346.2 16.27 1 1000 113 25.4 22.1 82 3.3 23.0 100 6 298.5 301.6 296.2 348.0 16.98 2 925 796 21.4 18.3 83 3.1 19.2 150 3 301.2 303.8 295.2 343.7 14.46 3 881 1218 18.8 16.1 84 2.7 17.0 21 1 302.7 305.2 294.7 341.7 13.18 4 850 1525 16.8 14.3 85 2.5 15.1 0 0 303.7 306.0 294.3 339.9 12.15 5 775 2308 13.6 10.3 80 3.3 11.5 81 3 308.4 310.4 294.2 339.4 10.21 6 700 3160 9.6 2.6 62 7.0 5.6 55 10 313.1 314.4 292.7 333.8 6.61 7 564 4916 -1.1 -5.8 70 4.7 -3.4 142 3 320.5 321.3 293.0 334.8 4.40 8 533 5366 -2.7 -9.7 59 7.0 -5.8 86 5 323.8 324.5 293.1 335.2 3.44 9 500 5870 -5.3 -13.3 53 8.0 -8.5 65 6 326.6 327.1 293.3 335.9 2.74 10 487 6077 -6.5 -15.5 49 9.0 -9.9 74 6 327.6 328.0 293.2 335.6 2.35 11 400 7590 -16.1 -26.1 42 10.0 -18.7 110 8 334.1 334.3 293.9 338.2 1.14 12 364 8293 -21.1 -28.1 53 7.0 -22.8 129 9 336.5 336.7 294.4 340.4 1.04 13 340 8792 -25.3 -30.0 65 4.7 -26.3 147 10 337.4 337.6 294.6 340.9 0.93 14 300 9690 -31.1 -38.1 50 7.0 -32.1 180 15 341.5 341.6 295.1 343.4 0.48 15 259 10718 -39.1 -51.1 27 12.0 -39.9 221 13 344.4 344.5 295.5 345.0 0.13 16 250 10960 -41.3 -52.3 29 11.0 -42.0 225 15 344.7 344.7 295.6 345.2 0.12 17 209 12147 -52.1 -62.1 29 10.0 -52.4 230 11 345.9 345.9 295.7 346.1 0.04 18 200 12430 -54.5 -64.5 28 10.0 -54.7 205 10 346.5 346.5 295.8 346.6 0.03 19 187 12857 -57.5 -74.5 10 17.0 -57.7 198 12 348.3 348.3 296.3 348.4 0.01 20 150 14220 -66.5 -94.5 1 28.0 -66.6 235 13 355.5 355.5 297.8 355.5 0.00 21 105 16298 -80.9 -104.9 1 24.0 -80.9 249 20 366.3 366.3 299.9 366.3 0.00 22 100 16570 -83.5 -106.5 1 23.0 -83.5 245 21 366.4 366.4 299.9 366.4 0.00 23 93 16970 -86.5 -109.5 1 23.0 -86.5 225 19 368.2 368.2 300.2 368.2 0.00 24 86 17402 -83.1 -107.1 1 24.0 -83.1 270 18 383.4 383.4 302.8 383.4 0.00 25 82 17666 -84.3 -107.3 1 23.0 -84.3 298 17 386.2 386.2 303.2 386.2 0.00 26 79 17872 -85.7 -108.7 1 23.0 -85.7 320 17 387.4 387.4 303.4 387.4 0.00 27 75 18157 -86.3 -109.3 1 23.0 -86.3 350 16 391.9 391.9 304.0 391.9 0.00 28 72 18382 -83.3 -106.3 1 23.0 -83.3 14 15 402.9 402.9 305.6 402.9 0.00 29 70 18540 -80.5 -104.5 1 24.0 -80.5 30 15 412.2 412.2 306.8 412.2 0.00 30 50 20470 -72.9 -98.9 1 26.0 -73.0 95 32 471.7 471.7 312.8 471.7 0.00 31 46 20961 -70.1 -97.1 1 27.0 -70.3 96 35 489.8 489.8 314.2 489.8 0.00 32 35 22613 -62.7 -91.7 1 29.0 -63.3 98 43 549.0 549.0 318.1 549.0 0.00 33 34 22792 -60.1 -90.1 1 30.0 -60.9 99 44 560.4 560.4 318.6 560.4 0.00 34 31 23372 -57.1 -88.1 1 31.0 -58.3 100 47 583.5 583.5 319.8 583.5 0.01 35 30 23580 -54.7 -86.7 1 32.0 -56.3 100 48 595.5 595.5 320.4 595.6 0.01 36 22 25580 -51.1 -84.1 1 33.0 -54.1 96 35 661.5 661.5 323.1 661.6 0.02 37 20 26200 -50.9 -83.9 1 33.0 -54.1 95 31 680.4 680.4 323.8 680.5 0.02 38 11 30146 -44.7 -79.7 1 35.0 -52.1 829.8 829.8 328.0 830.4 0.06 TRP 93 16970 -86.5 -109.5 1 23.0 -86.5 225 19 368.2 368.2 300.2 368.2 0.00 WND Sounding variables and indices 1000-500 mb thick: 5757.00 m Freezing level: 577.98 mb = 4735.86 m = 15537.41 ft Wetbulb zero: 614.92 mb = 4213.59 m = 13823.96 ft Precipitable water: 2.01 inches Sfc-500 mean rel hum: 72.04 % Est. max temperature: 31.18 C = 88.12 F Sfc-Lift cond lev (LCL): 940.26 mb = 652.70 m = 2141.37 ft T: 22.24 C 700-500 lapse rate: 5.50 C/km ThetaE index: 14.23 C Layer 925.0- 564.0 mb Conv cond level (CCL): 879.43 mb = 1232.96 m = 4045.11 ft Mean mixing ratio: 15.60 g/kg Conv temperature: 30.57 C = 87.03 F Cap Strength: 1.49 C Lifted Index: -0.75 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.30 C Lifted Index @700 mb: 0.21 C Showalter Index: 1.54 C Risk: Showers probable Total Totals Index: 41.70 C Risk: None Vertical Totals Index: 22.10 C Cross Totals Index: 19.60 C K Index: 29.40 Risk: 40-60 % chance of thunderstorms Sweat Index: 177.60 Risk: None Energy Index: -0.81 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 253.90 J/kg Max Up Vert Vel: 22.53 m/s Conv Inhibition (B-): 36.71 J/kg Cap Strength: 1.49 C Lift Cond Lev (LCL): 915.87 mb = 881.83 m = 2893.11 ft Lev Free Conv (LFC): 680.87 mb = 3385.31 m = 11106.54 ft Equ Level (EL): 270.87 mb = 10404.55 m = 34135.26 ft B at Equ Level: 252.12 J/kg Max Parcel Lev (MPL): 150.87 mb = 14184.34 m = 46535.97 ft Wind level data Storm motion: 113 at 4 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 1011 3 0 0 -0.0 -0.0 | 293 4 3.5 -1.5 1 1000 113 100 6 -5.9 1.0 | 79 2 -2.4 -0.5 2 978 305 120 4 -3.5 2.0 | 184 1 0.0 0.5 3 945 610 150 4 -2.0 3.5 | 217 2 1.5 2.0 4 925 796 150 3 -1.5 2.6 | 241 2 2.0 1.1 5 912 914 135 3 -2.1 2.1 | 245 2 1.4 0.6 6 881 1219 20 1 -0.3 -0.9 | 308 4 3.2 -2.4 7 850 1525 0 0 -0.0 -0.0 | 293 4 3.5 -1.5 8 820 1829 160 2 -0.7 1.9 | 262 3 2.8 0.4 9 791 2134 125 2 -1.6 1.1 | 281 2 1.9 -0.3 10 763 2438 45 3 -2.1 -2.1 | 339 4 1.4 -3.6 11 736 2743 40 5 -3.2 -3.8 | 357 5 0.3 -5.3 12 709 3048 55 9 -7.4 -5.2 | 30 8 -3.9 -6.7 13 700 3160 55 10 -8.2 -5.7 | 33 9 -4.7 -7.2 14 658 3658 70 12 -11.3 -4.1 | 54 10 -7.8 -5.6 15 634 3962 90 10 -10.0 0.0 | 77 7 -6.5 -1.5 16 610 4267 105 7 -6.8 1.8 | 96 3 -3.3 0.3 17 587 4572 125 3 -2.5 1.7 | 258 1 1.0 0.2 18 566 4877 145 3 -1.7 2.5 | 242 2 1.8 1.0 19 524 5486 70 6 -5.6 -2.1 | 31 4 -2.1 -3.5 20 500 5870 65 6 -5.4 -2.5 | 26 4 -1.9 -4.0 21 486 6096 75 6 -5.8 -1.6 | 37 4 -2.3 -3.0 22 400 7590 110 8 -7.5 2.7 | 107 4 -4.0 1.2 23 398 7620 105 8 -7.7 2.1 | 98 4 -4.2 0.6 24 323 9144 160 11 -3.8 10.3 | 178 9 -0.3 8.8 25 300 9690 180 15 0.0 15.0 | 195 14 3.5 13.5 26 261 10668 220 13 8.4 10.0 | 234 15 11.9 8.5 27 250 10960 225 15 10.6 10.6 | 237 17 14.1 9.1 28 207 12192 230 11 8.4 7.1 | 245 13 11.9 5.6 29 200 12430 205 10 4.2 9.1 | 226 11 7.7 7.6 30 163 13716 185 17 1.5 16.9 | 198 16 5.0 15.4 31 150 14220 235 13 10.6 7.5 | 247 15 14.1 6.0 32 126 15240 265 16 15.9 1.4 | 270 19 19.4 -0.1 33 100 16570 245 21 19.0 8.9 | 252 24 22.5 7.4 34 93 16970 225 19 13.4 13.4 | 235 21 16.9 11.9 35 70 18540 30 15 -7.5 -13.0 | 15 15 -4.0 -14.5 36 50 20470 95 32 -31.9 2.8 | 93 28 -28.4 1.3 37 30 23580 100 48 -47.3 8.3 | 99 44 -43.8 6.8 38 20 26200 95 31 -30.9 2.7 | 93 27 -27.4 1.2 Wind Parameters Mean winds (0-6000m): 83.1 at 5.1 knts Storm direction: 113.1 at 3.8 knts Shear (0-3000m) pos: 1.4 neg: 1.2 tot: 2.7 10-3/s Storm rel Dir Shear (0-3000m): 92.8 deg Storm rel helicity (0-3000m) pos: 13.0 neg: -2.7 tot: 10.3 m^2/s^2 ave: 3.4 10^-3 m/s^2 rel: 0.54 Storm rel vorticity (0-3000m) horiz: 5.6 stream: 3.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 263.49 Bulk Shear: 0.96 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 ------------------------------------------------------------------------------- 500 115 4 135 0| 4.1 0.0 4.1| 3.0 0.0 3.0 5.9 0.86| 11.8 10.1 1000 128 4 213 1| 2.1 1.3 3.4| 4.3 0.0 4.3 4.3 0.83| 8.0 6.7 1500 125 3 264 1| 1.4 1.4 2.8| 4.5 -1.6 2.9 1.9 0.60| 6.6 4.0 2000 129 2 268 2| 1.6 1.0 2.6| 5.1 -2.7 2.3 1.2 0.46| 5.9 2.7 2500 121 2 279 1| 1.2 1.5 2.7| 6.6 -2.7 3.8 1.5 0.49| 5.6 2.7 3000 95 3 336 1| 1.4 1.2 2.7| 13.0 -2.7 10.3 3.4 0.54| 5.6 3.0 4000 78 5 28 3| 1.7 0.9 2.7| 30.3 -2.7 27.5 6.9 0.60| 5.4 3.2 5000 85 5 38 2| 1.1 0.7 1.8| 32.7 -3.1 29.6 5.9 0.55| 5.3 3.0 6000 83 5 36 3| 0.9 1.0 1.9| 33.2 -4.7 28.5 4.7 0.43| 5.0 2.2 Wrote GIF file: /home/apache/climate/data/raob//VOCC/skewt/VOCC.skewt.20251208.00.gif