UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042300.upa.cvt Date: 0000Z 23 APR 25 Searching for VO466... Searching the city database file for: VO466 ... Date:0000Z 23 APR 25 Station: VO466 WMO ident: 43466 Latitude: 6.90 Longitude: 79.87 ------------------------------------------------------------------------------- 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 1009 6 25.8 23.9 89 1.9 24.4 160 1 298.2 301.6 297.3 353.0 18.82 1 1000 84 25.6 24.2 92 1.4 24.6 95 4 298.8 302.3 297.7 355.2 19.35 2 978 281 25.6 23.3 87 2.3 23.9 145 8 300.7 304.1 297.8 355.7 18.72 3 925 772 22.4 21.6 95 0.8 21.8 245 14 302.2 305.5 297.7 354.9 17.83 4 850 1505 17.6 16.3 92 1.3 16.7 245 15 304.6 307.2 295.7 345.9 13.85 5 787 2160 13.6 11.7 88 1.9 12.4 235 12 307.1 309.1 294.4 340.4 11.05 6 749 2576 11.8 10.7 93 1.1 11.1 227 11 309.5 311.6 295.0 342.6 10.86 7 741 2666 12.6 11.6 94 1.0 12.0 224 11 311.3 313.5 296.0 347.1 11.67 8 700 3143 10.0 9.0 93 1.0 9.4 215 11 313.6 315.5 295.7 345.7 10.36 9 647 3794 5.2 1.9 79 3.3 3.4 216 5 315.3 316.6 293.5 336.7 6.80 10 621 4129 4.2 3.3 94 0.9 3.7 219 2 317.8 319.4 295.0 342.7 7.84 11 566 4880 0.0 -3.7 76 3.7 -1.9 49 7 321.4 322.4 293.9 338.2 5.15 12 548 5140 0.0 -4.8 70 4.8 -2.4 66 8 324.4 325.4 294.4 340.5 4.89 13 509 5729 -3.9 -5.7 87 1.8 -4.8 168 6 326.6 327.6 295.0 342.9 4.92 14 500 5870 -5.1 -6.9 87 1.8 -6.0 200 7 326.8 327.7 294.8 342.0 4.56 15 450 6691 -10.9 -13.2 83 2.3 -11.8 190 12 329.5 330.1 294.3 340.0 3.07 16 400 7590 -15.5 -18.2 80 2.7 -16.4 50 16 334.8 335.3 295.0 342.9 2.28 17 399 7609 -15.5 -18.2 80 2.7 -16.4 41 18 335.1 335.5 295.1 343.2 2.29 18 332 8970 -24.1 -27.8 71 3.7 -25.0 155 14 341.4 341.6 295.7 345.7 1.17 19 300 9700 -29.5 -33.1 71 3.6 -30.2 90 17 343.8 344.0 295.9 346.8 0.78 20 250 10970 -39.9 -44.1 64 4.2 -40.3 85 24 346.7 346.8 296.2 348.0 0.30 21 249 10997 -39.9 -44.1 64 4.2 -40.3 85 24 347.1 347.2 296.3 348.4 0.31 22 200 12450 -53.3 -58.0 56 4.7 -53.4 95 35 348.4 348.4 296.3 348.7 0.08 23 193 12680 -55.7 -60.3 56 4.6 -55.8 92 35 348.1 348.1 296.3 348.3 0.06 24 156 14012 -65.7 -71.7 43 6.0 -65.8 80 44 352.9 352.9 297.3 353.0 0.02 25 150 14250 -67.5 -73.5 42 6.0 -67.5 80 44 353.8 353.8 297.4 353.9 0.01 26 145 14454 -66.9 -76.9 23 10.0 -67.0 83 45 358.3 358.3 298.4 358.3 0.01 27 100 16620 -80.7 -87.7 30 7.0 -80.7 65 24 371.8 371.8 300.9 371.8 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5786.00 m Freezing level: 548.00 mb = 5140.12 m = 16863.72 ft Wetbulb zero: 584.53 mb = 4619.54 m = 15155.77 ft Precipitable water: 2.49 inches Sfc-500 mean rel hum: 87.62 % Est. max temperature: 31.92 C = 89.46 F Sfc-Lift cond lev (LCL): 981.94 mb = 245.49 m = 805.40 ft T: 25.60 C 700-500 lapse rate: 5.54 C/km ThetaE index: 15.31 C Layer 925.0- 749.0 mb Conv cond level (CCL): 917.97 mb = 838.14 m = 2749.79 ft Mean mixing ratio: 18.36 g/kg Conv temperature: 30.06 C = 86.11 F Cap Strength: 0.84 C Lifted Index: -3.89 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.80 C Lifted Index @700 mb: -1.91 C Showalter Index: -0.64 C Risk: Thunderstorms probable Total Totals Index: 44.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.70 C Cross Totals Index: 21.40 C K Index: 38.00 Risk: > 80 % chance of thunderstorms Sweat Index: 232.60 Risk: None Energy Index: -0.83 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1723.09 J/kg Max Up Vert Vel: 58.70 m/s Conv Inhibition (B-): 7.56 J/kg Cap Strength: 0.84 C Lift Cond Lev (LCL): 937.76 mb = 651.30 m = 2136.78 ft Lev Free Conv (LFC): 902.76 mb = 982.97 m = 3224.93 ft Equ Level (EL): 142.76 mb = 14544.86 m = 47718.78 ft B at Equ Level: 1689.27 J/kg Wind level data Storm motion: 257 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 1009 6 160 1 -0.3 0.9 | 85 7 -7.1 -0.7 1 1000 84 95 4 -4.0 0.3 | 83 11 -10.7 -1.3 2 942 610 230 15 11.5 9.6 | 211 9 4.7 8.0 3 925 772 245 14 12.7 5.9 | 234 7 5.9 4.3 4 850 1505 245 15 13.6 6.3 | 235 8 6.8 4.7 5 761 2438 230 11 8.4 7.1 | 197 6 1.7 5.5 6 708 3048 215 12 6.9 9.8 | 181 8 0.1 8.2 7 700 3143 215 11 6.3 9.0 | 177 7 -0.4 7.4 8 657 3658 215 6 3.4 4.9 | 135 5 -3.3 3.3 9 609 4267 220 1 0.6 0.8 | 82 6 -6.1 -0.8 10 587 4572 30 6 -3.0 -5.2 | 55 12 -9.8 -6.8 11 544 5182 70 8 -7.5 -2.7 | 73 15 -14.3 -4.3 12 505 5791 180 6 0.0 6.0 | 123 8 -6.8 4.4 13 500 5870 200 7 2.4 6.6 | 139 7 -4.4 5.0 14 449 6706 190 12 2.1 11.8 | 155 11 -4.7 10.2 15 431 7010 190 6 1.0 5.9 | 127 7 -5.7 4.3 16 415 7315 45 14 -9.9 -9.9 | 55 20 -16.7 -11.5 17 400 7590 50 16 -12.3 -10.3 | 58 22 -19.0 -11.9 18 398 7620 35 20 -11.5 -16.4 | 45 26 -18.2 -18.0 19 382 7925 125 7 -5.7 4.0 | 101 13 -12.5 2.4 20 367 8230 140 14 -9.0 10.7 | 120 18 -15.8 9.1 21 337 8839 165 13 -3.4 12.6 | 137 15 -10.1 11.0 22 300 9700 90 17 -17.0 0.0 | 86 24 -23.8 -1.6 23 285 10058 90 16 -16.0 0.0 | 86 23 -22.8 -1.6 24 250 10970 85 24 -23.9 -2.1 | 83 31 -30.7 -3.7 25 208 12192 85 29 -28.9 -2.5 | 83 36 -35.6 -4.1 26 200 12450 95 35 -34.9 3.1 | 92 42 -41.6 1.4 27 199 12497 95 33 -32.9 2.9 | 92 40 -39.6 1.3 28 172 13411 80 45 -44.3 -7.8 | 80 52 -51.1 -9.4 29 150 14250 80 44 -43.3 -7.6 | 80 51 -50.1 -9.2 30 141 14630 85 46 -45.8 -4.0 | 84 53 -52.6 -5.6 31 120 15545 120 18 -15.6 9.0 | 108 24 -22.3 7.4 32 114 15850 130 10 -7.7 6.4 | 109 15 -14.4 4.8 33 108 16154 245 4 3.6 1.7 | 92 3 -3.1 0.1 34 103 16459 40 9 -5.8 -6.9 | 56 15 -12.5 -8.5 35 100 16620 65 24 -21.8 -10.1 | 68 31 -28.5 -11.7 36 87 17374 75 39 -37.7 -10.1 | 75 46 -44.4 -11.7 37 82 17678 95 29 -28.9 2.5 | 91 36 -35.6 0.9 38 74 18288 270 10 10.0 -0.0 | 296 4 3.2 -1.6 39 66 18898 265 7 7.0 0.6 | 348 1 0.2 -1.0 40 62 19202 210 7 3.5 6.1 | 144 6 -3.3 4.5 41 59 19507 290 14 13.2 -4.8 | 315 9 6.4 -6.4 42 47 20726 270 16 16.0 -0.0 | 280 9 9.2 -1.6 43 45 21031 230 22 16.9 14.1 | 219 16 10.1 12.5 44 42 21336 255 39 37.7 10.1 | 255 32 30.9 8.5 45 40 21641 275 37 36.9 -3.2 | 279 30 30.1 -4.8 46 36 22250 280 23 22.7 -4.0 | 289 17 15.9 -5.6 47 32 22860 225 16 11.3 11.3 | 205 11 4.6 9.7 48 28 23470 230 19 14.6 12.2 | 216 13 7.8 10.6 49 27 23774 245 6 5.4 2.5 | 125 2 -1.3 0.9 50 25 24079 20 8 -2.7 -7.5 | 46 13 -9.5 -9.1 51 23 24689 75 20 -19.3 -5.2 | 75 27 -26.1 -6.8 52 22 24994 115 21 -19.0 8.9 | 106 27 -25.8 7.3 Wind Parameters Mean winds (0-6000m): 226.6 at 9.3 knts Storm direction: 256.6 at 6.9 knts Shear (0-3000m) pos: 2.4 neg: 1.2 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 97.2 deg Storm rel helicity (0-3000m) pos: 76.4 neg: -11.6 tot: 64.8 m^2/s^2 ave: 21.6 10^-3 m/s^2 rel: 0.52 Storm rel vorticity (0-3000m) horiz: 7.1 stream: 3.7 10^-3/s Energy-Hel index: 0.82 Bulk Rich Number: 293.22 Bulk Shear: 5.88 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 ------------------------------------------------------------------------------- 500 181 7 132 9| 12.5 0.0 12.5| 52.3 0.0 52.3 104.6 0.80| 22.3 17.9 1000 232 11 199 5| 7.3 0.0 7.3| 76.1 0.0 76.1 76.1 0.85| 16.8 14.3 1500 238 12 216 6| 4.9 0.2 5.1| 76.4 0.0 76.4 50.9 0.83| 11.5 9.5 2000 239 13 219 6| 3.7 0.6 4.3| 76.4 -4.8 71.6 35.8 0.70| 9.3 6.5 2500 238 12 217 6| 2.9 1.0 3.9| 76.4 -8.6 67.8 27.1 0.59| 8.0 4.7 3000 235 12 212 6| 2.4 1.2 3.6| 76.4 -11.6 64.8 21.6 0.52| 7.1 3.7 4000 232 11 200 6| 1.4 1.1 2.5| 76.4 -22.6 53.8 13.4 0.28| 6.5 1.8 5000 232 10 192 4| 0.6 0.9 1.5| 91.7 -30.2 61.5 12.3 0.20| 6.9 1.4 6000 227 9 180 5| 1.1 0.7 1.9|139.5 -30.2 109.3 18.2 0.33| 7.3 2.4 Wrote GIF file: /home/apache/climate/data/raob//VO466/skewt/VO466.skewt.20250423.00.gif