UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042800.upa.cvt Date: 0000Z 28 APR 25 Searching for VO371... Searching the city database file for: VO371 ... Date:0000Z 28 APR 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 1002 76 25.8 24.1 90 1.7 24.6 0 0 298.8 302.3 297.7 354.8 19.19 1 1000 94 26.2 24.3 89 1.9 24.8 10 1 299.4 302.9 298.0 356.3 19.47 2 925 779 23.4 21.7 90 1.7 22.2 320 5 303.2 306.5 298.0 356.5 17.94 3 850 1517 18.4 17.4 94 1.0 17.7 90 2 305.4 308.2 296.6 349.9 14.87 4 700 3162 10.0 5.2 72 4.8 7.1 30 3 313.6 315.1 293.9 338.3 7.95 5 500 5890 -5.1 -11.1 63 6.0 -7.7 90 5 326.8 327.5 293.8 337.9 3.28 6 400 7620 -14.5 -22.5 51 8.0 -17.0 315 3 336.1 336.5 294.7 341.8 1.57 7 300 9730 -29.7 -32.7 75 3.0 -30.2 115 4 343.5 343.7 295.9 346.6 0.82 8 250 11010 -39.7 -44.0 63 4.3 -40.1 240 7 347.0 347.1 296.3 348.3 0.31 9 200 12490 -51.9 -57.9 48 6.0 -52.1 290 12 350.6 350.6 296.8 350.9 0.08 10 150 14290 -67.3 -73.3 42 6.0 -67.4 275 5 354.2 354.2 297.5 354.2 0.01 11 100 16640 -79.3 -86.3 31 7.0 -79.3 145 17 374.5 374.5 301.4 374.5 0.00 12 96 16871 -80.7 -86.7 36 6.0 -80.7 155 18 376.2 376.2 301.6 376.2 0.00 13 72 18499 -79.1 -87.1 26 8.0 -79.1 64 12 411.8 411.8 306.7 411.8 0.00 14 70 18660 -77.1 -87.1 19 10.0 -77.1 55 11 419.4 419.4 307.6 419.5 0.00 15 66 19001 -73.1 -85.1 14 12.0 -73.2 435.3 435.3 309.4 435.3 0.00 16 60 19556 -75.9 -85.9 19 10.0 -75.9 441.0 441.0 310.0 441.0 0.00 17 58 19753 -72.9 -85.9 12 13.0 -73.0 452.1 452.1 311.1 452.1 0.00 TRP 96 16871 -80.7 -86.7 36 6.0 -80.7 155 18 376.2 376.2 301.6 376.2 0.00 WND Sounding variables and indices 1000-500 mb thick: 5796.00 m Freezing level: 567.55 mb = 4968.62 m = 16301.06 ft Wetbulb zero: 603.50 mb = 4364.71 m = 14319.73 ft Precipitable water: 2.33 inches Sfc-500 mean rel hum: 77.31 % Est. max temperature: 32.39 C = 90.29 F Sfc-Lift cond lev (LCL): 977.98 mb = 289.65 m = 950.28 ft T: 25.40 C 700-500 lapse rate: 5.54 C/km ThetaE index: 18.64 C Layer 850.0- 400.0 mb Conv cond level (CCL): 898.34 mb = 1034.25 m = 3393.16 ft Mean mixing ratio: 18.42 g/kg Conv temperature: 31.02 C = 87.84 F Cap Strength: 1.29 C Lifted Index: -4.30 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -4.58 C Lifted Index @700 mb: -2.21 C Showalter Index: -2.13 C Risk: Severe thunderstorms possible Total Totals Index: 46.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.50 C Cross Totals Index: 22.50 C K Index: 36.10 Risk: > 80 % chance of thunderstorms Sweat Index: 217.80 Risk: None Energy Index: -2.39 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1708.74 J/kg Max Up Vert Vel: 58.46 m/s Conv Inhibition (B-): 10.35 J/kg Cap Strength: 1.28 C Lift Cond Lev (LCL): 927.57 mb = 754.61 m = 2475.72 ft Lev Free Conv (LFC): 872.57 mb = 1288.26 m = 4226.52 ft Equ Level (EL): 142.57 mb = 14584.38 m = 47848.42 ft B at Equ Level: 1702.33 J/kg Max Parcel Lev (MPL): 72.57 mb = 18454.32 m = 60544.94 ft Wind level data Storm motion: 89 at 3 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 1002 76 0 0 -0.0 -0.0 | 269 3 3.0 0.1 1 1000 94 10 1 -0.2 -1.0 | 288 3 2.9 -0.9 2 976 305 335 3 1.3 -2.7 | 302 5 4.3 -2.7 3 943 610 320 6 3.9 -4.6 | 303 8 6.9 -4.5 4 925 779 320 5 3.2 -3.8 | 301 7 6.2 -3.8 5 911 914 340 4 1.4 -3.8 | 310 6 4.4 -3.7 6 880 1219 245 3 2.7 1.3 | 257 6 5.8 1.3 7 850 1517 90 2 -2.0 0.0 | 267 1 1.0 0.1 8 849 1524 75 2 -1.9 -0.5 | 293 1 1.1 -0.5 9 790 2134 115 5 -4.5 2.1 | 145 3 -1.5 2.2 10 700 3162 30 3 -1.5 -2.6 | 329 3 1.5 -2.5 11 658 3658 0 1 -0.0 -1.0 | 287 3 3.0 -0.9 12 634 3962 330 4 2.0 -3.5 | 304 6 5.0 -3.4 13 611 4267 355 3 0.3 -3.0 | 312 4 3.3 -2.9 14 588 4572 55 4 -3.3 -2.3 | 6 2 -0.2 -2.2 15 546 5182 90 6 -6.0 0.0 | 91 3 -3.0 0.1 16 506 5791 80 8 -7.9 -1.4 | 75 5 -4.8 -1.3 17 500 5890 90 5 -5.0 0.0 | 92 2 -2.0 0.1 18 487 6096 120 5 -4.3 2.5 | 153 3 -1.3 2.6 19 450 6706 110 2 -1.9 0.7 | 237 1 1.2 0.7 20 433 7010 230 1 0.8 0.6 | 260 4 3.8 0.7 21 416 7315 350 1 0.2 -1.0 | 286 3 3.2 -0.9 22 400 7620 315 3 2.1 -2.1 | 292 6 5.2 -2.1 23 400 7620 295 4 3.6 -1.7 | 284 7 6.7 -1.6 24 384 7925 300 2 1.7 -1.0 | 281 5 4.8 -0.9 25 368 8230 90 2 -2.0 0.0 | 267 1 1.0 0.1 26 339 8839 155 8 -3.4 7.3 | 177 7 -0.3 7.3 27 312 9449 165 6 -1.6 5.8 | 194 6 1.5 5.9 28 300 9730 115 4 -3.6 1.7 | 161 2 -0.6 1.7 29 299 9754 130 6 -4.6 3.9 | 158 4 -1.6 3.9 30 286 10058 155 7 -3.0 6.3 | 181 6 0.1 6.4 31 274 10363 230 5 3.8 3.2 | 245 8 6.9 3.3 32 262 10668 210 3 1.5 2.6 | 240 5 4.5 2.7 33 251 10973 245 6 5.4 2.5 | 253 9 8.5 2.6 34 250 11010 240 7 6.1 3.5 | 249 10 9.1 3.6 35 219 11887 250 6 5.6 2.1 | 256 9 8.7 2.1 36 209 12192 260 13 12.8 2.3 | 262 16 15.8 2.3 37 200 12490 290 12 11.3 -4.1 | 286 15 14.3 -4.0 38 190 12802 290 12 11.3 -4.1 | 286 15 14.3 -4.0 39 181 13106 290 10 9.4 -3.4 | 285 13 12.4 -3.4 40 164 13716 305 8 6.6 -4.6 | 295 11 9.6 -4.5 41 157 14021 325 10 5.7 -8.2 | 313 12 8.8 -8.1 42 150 14290 275 5 5.0 -0.4 | 273 8 8.0 -0.4 43 149 14326 280 3 3.0 -0.5 | 274 6 6.0 -0.5 44 141 14630 295 2 1.8 -0.8 | 279 5 4.8 -0.8 45 134 14935 135 2 -1.4 1.4 | 228 2 1.6 1.5 46 115 15850 145 5 -2.9 4.1 | 182 4 0.2 4.2 47 109 16154 40 7 -4.5 -5.4 | 15 6 -1.5 -5.3 48 103 16459 90 18 -18.0 0.0 | 90 15 -15.0 0.1 49 100 16640 145 17 -9.8 13.9 | 154 16 -6.7 14.0 50 96 16871 155 18 -7.6 16.3 | 164 17 -4.6 16.4 51 70 18660 55 11 -9.0 -6.3 | 44 9 -6.0 -6.3 Wind Parameters Mean winds (0-6000m): 58.9 at 4.0 knts Storm direction: 88.9 at 3.0 knts Shear (0-3000m) pos: 1.4 neg: 1.4 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): 66.6 deg Storm rel helicity (0-3000m) pos: 4.0 neg: -15.5 tot: -11.5 m^2/s^2 ave: -3.8 10^-3 m/s^2 rel: -0.31 Storm rel vorticity (0-3000m) horiz: 5.2 stream: -1.6 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 500.29 Bulk Shear: 3.42 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 ------------------------------------------------------------------------------- 500 331 3 301 5| 0.0 5.8 5.8| 2.0 -0.2 1.9 3.7 0.34| 6.3 2.2 1000 325 4 301 6| 0.0 1.8 1.8| 3.4 -5.9 -2.4 -2.4 -0.04| 5.8 -0.3 1500 321 4 297 6| 1.9 1.2 3.1| 3.9 -13.3 -9.4 -6.3 -0.20| 7.2 -1.4 2000 345 4 310 5| 2.1 0.9 3.0| 4.0 -13.3 -9.3 -4.6 -0.19| 6.3 -1.2 2500 33 4 342 3| 1.7 1.1 2.7| 4.0 -14.3 -10.3 -4.1 -0.26| 5.7 -1.5 3000 45 4 351 3| 1.4 1.4 2.8| 4.0 -15.5 -11.5 -3.8 -0.31| 5.2 -1.6 4000 28 3 334 3| 1.1 1.4 2.5| 5.5 -17.5 -12.0 -3.0 -0.29| 4.7 -1.4 5000 37 4 342 3| 1.6 1.1 2.7| 10.4 -17.5 -7.0 -1.4 -0.10| 4.6 -0.4 6000 59 4 12 2| 1.3 0.8 2.1| 13.1 -18.6 -5.5 -0.9 -0.03| 4.5 -0.1 Wrote GIF file: /home/apache/climate/data/raob//VO371/skewt/VO371.skewt.20250428.00.gif