UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120100.upa.cvt Date: 0000Z 1 DEC 25 Searching for VO371... Searching the city database file for: VO371 ... Date:0000Z 1 DEC 25 Station: VO371 WMO ident: 43371 Latitude: 8.48 Longitude: 76.95 ------------------------------------------------------------------------------- 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 1000 77 24.2 22.7 91 1.5 23.1 0 0 297.4 300.5 296.3 348.4 17.63 1 925 753 21.2 17.4 79 3.8 18.6 320 8 301.0 303.5 294.6 341.1 13.64 2 850 1484 17.8 9.8 59 8.0 12.8 285 10 304.8 306.5 292.2 331.7 8.98 3 700 3130 9.8 5.3 74 4.5 7.1 315 8 313.3 314.9 293.9 338.2 8.01 4 500 5870 -1.5 -23.5 17 22.0 -8.8 345 6 331.2 331.4 293.2 335.3 1.15 5 400 7600 -14.9 -19.9 66 5.0 -16.6 235 8 335.6 336.0 295.0 342.6 1.97 6 300 9710 -30.3 -32.4 82 2.1 -30.7 160 9 342.7 342.8 295.7 345.9 0.84 7 250 10980 -40.7 -44.4 67 3.7 -41.0 205 16 345.6 345.6 295.9 346.7 0.29 8 200 12460 -53.1 -62.1 33 9.0 -53.4 200 32 348.7 348.7 296.4 348.9 0.04 9 150 14250 -67.1 -79.1 17 12.0 -67.2 255 25 354.5 354.5 297.6 354.5 0.01 TRP WND Sounding variables and indices 1000-500 mb thick: 5792.59 m Freezing level: 526.55 mb = 5506.28 m = 18065.01 ft Wetbulb zero: 610.45 mb = 4244.66 m = 13925.88 ft Precipitable water: 1.80 inches Sfc-500 mean rel hum: 58.58 % Est. max temperature: 31.64 C = 88.96 F Sfc-Lift cond lev (LCL): 978.76 mb = 263.46 m = 864.36 ft T: 23.37 C 700-500 lapse rate: 4.12 C/km ThetaE index: 16.69 C Layer 925.0- 700.0 mb Conv cond level (CCL): 837.99 mb = 1604.66 m = 5264.56 ft Mean mixing ratio: 14.90 g/kg Conv temperature: 32.27 C = 90.09 F Cap Strength: 1.95 C Lifted Index: 3.93 C Risk: None Lifted Index @300 mb: 1.79 C Lifted Index @700 mb: 1.11 C Showalter Index: 8.91 C Risk: None Total Totals Index: 30.60 C Risk: None Vertical Totals Index: 19.30 C Cross Totals Index: 11.30 C K Index: 24.60 Risk: 20-40 % chance of thunderstorms Sweat Index: 143.60 Risk: None Energy Index: 0.90 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.46 J/kg Max Up Vert Vel: 5.38 m/s Conv Inhibition (B-): 1236.53 J/kg Cap Strength: 3.73 C Lift Cond Lev (LCL): 908.38 mb = 909.76 m = 2984.73 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 315 at 7 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 1000 77 0 0 -0.0 -0.0 | 135 7 -4.8 4.8 1 974 305 330 11 5.5 -9.5 | 351 5 0.7 -4.8 2 925 753 320 8 5.1 -6.1 | 345 1 0.4 -1.4 3 908 914 315 7 4.9 -4.9 | 318 0 0.2 -0.2 4 850 1484 285 10 9.7 -2.6 | 246 5 4.9 2.2 5 846 1524 280 10 9.8 -1.7 | 239 6 5.1 3.0 6 787 2134 290 11 10.3 -3.8 | 260 6 5.6 1.0 7 759 2438 265 7 7.0 0.6 | 202 6 2.2 5.4 8 733 2743 270 6 6.0 -0.0 | 194 5 1.2 4.8 9 707 3048 310 7 5.4 -4.5 | 245 1 0.6 0.3 10 700 3130 315 8 5.7 -5.7 | 316 1 0.9 -0.9 11 681 3353 295 8 7.3 -3.4 | 241 3 2.5 1.4 12 656 3658 280 11 10.8 -1.9 | 245 7 6.0 2.9 13 632 3962 280 11 10.8 -1.9 | 245 7 6.0 2.9 14 609 4267 265 9 9.0 0.8 | 217 7 4.2 5.6 15 586 4572 265 12 12.0 1.0 | 231 9 7.2 5.8 16 565 4877 270 11 11.0 -0.0 | 233 8 6.2 4.8 17 544 5182 245 11 10.0 4.6 | 209 11 5.2 9.4 18 524 5486 265 9 9.0 0.8 | 217 7 4.2 5.6 19 505 5791 275 6 6.0 -0.5 | 196 4 1.2 4.2 20 500 5870 345 6 1.6 -5.8 | 72 3 -3.2 -1.0 21 486 6096 335 7 3.0 -6.3 | 49 2 -1.8 -1.6 22 467 6401 310 4 3.1 -2.6 | 142 3 -1.7 2.2 23 449 6706 320 6 3.9 -4.6 | 100 1 -0.9 0.2 24 432 7010 280 9 8.9 -1.6 | 232 5 4.1 3.2 25 415 7315 275 11 11.0 -1.0 | 238 7 6.2 3.8 26 400 7600 235 8 6.6 4.6 | 191 10 1.8 9.4 27 383 7925 220 9 5.8 6.9 | 185 12 1.0 11.7 28 367 8230 170 8 -1.4 7.9 | 154 14 -6.2 12.6 29 338 8839 190 14 2.4 13.8 | 173 19 -2.4 18.6 30 300 9710 160 9 -3.1 8.5 | 149 15 -7.9 13.2 31 285 10058 175 10 -0.9 10.0 | 159 16 -5.7 14.7 32 273 10363 185 14 1.2 13.9 | 169 19 -3.6 18.7 33 250 10980 205 16 6.8 14.5 | 186 19 2.0 19.3 34 228 11582 190 16 2.8 15.8 | 174 21 -2.0 20.5 35 218 11887 210 14 7.0 12.1 | 187 17 2.2 16.9 36 200 12460 200 32 10.9 30.1 | 190 35 6.2 34.8 37 199 12497 195 21 5.4 20.3 | 181 25 0.7 25.1 38 189 12802 205 33 13.9 29.9 | 195 36 9.2 34.7 39 156 14021 255 30 29.0 7.8 | 243 27 24.2 12.5 40 150 14250 255 25 24.1 6.5 | 240 22 19.4 11.2 41 148 14326 260 27 26.6 4.7 | 247 24 21.8 9.5 42 134 14935 245 24 21.8 10.1 | 229 23 17.0 14.9 Wind Parameters Mean winds (0-6000m): 284.9 at 9.0 knts Storm direction: 314.9 at 6.8 knts Shear (0-3000m) pos: 1.2 neg: 1.1 tot: 2.3 10-3/s Storm rel Dir Shear (0-3000m): 146.1 deg Storm rel helicity (0-3000m) pos: 3.8 neg: -20.5 tot: -16.7 m^2/s^2 ave: -5.6 10^-3 m/s^2 rel: -0.44 Storm rel vorticity (0-3000m) horiz: 6.0 stream: -2.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.73 Bulk Shear: 5.30 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 ------------------------------------------------------------------------------- 500 328 8 16 2| 0.0 9.4 9.4| 0.0 -9.8 -9.8 -19.7 -0.82| 13.8-11.3 1000 323 8 0 2| 0.0 4.0 4.0| 0.0 -10.1 -10.1 -10.1 -0.70| 8.8 -6.2 1500 311 8 296 2| 0.0 3.5 3.5| 0.0 -11.9 -11.9 -7.9 -0.63| 7.5 -4.7 2000 303 9 272 3| 0.4 2.6 3.0| 2.6 -11.9 -9.3 -4.6 -0.51| 6.1 -3.1 2500 298 9 259 3| 0.4 1.3 1.7| 2.6 -20.1 -17.6 -7.0 -0.60| 6.1 -3.6 3000 297 8 250 3| 1.2 1.1 2.3| 3.8 -20.5 -16.7 -5.6 -0.44| 6.0 -2.7 4000 294 9 249 3| 0.9 1.6 2.5| 4.0 -23.7 -19.7 -4.9 -0.42| 5.5 -2.3 5000 287 9 242 4| 0.7 1.5 2.3| 8.5 -33.0 -24.5 -4.9 -0.39| 5.4 -2.1 6000 285 9 238 5| 1.6 1.3 2.9| 11.4 -43.0 -31.6 -5.3 -0.45| 6.1 -2.7 Wrote GIF file: /home/apache/climate/data/raob//VO371/skewt/VO371.skewt.20251201.00.gif