UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042712.upa.cvt Date: 1200Z 27 APR 25 Searching for VTBP... Searching the city database file for: VTBP ... Date:1200Z 27 APR 25 Station: VTBP WMO ident: 48500 Latitude: 11.83 Longitude: 99.83 Elevation: 5.00 ------------------------------------------------------------------------------- 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 1008 5 31.0 24.0 66 7.0 25.8 150 4 303.5 307.0 298.7 359.8 18.96 1 1005 35 29.2 22.2 66 7.0 24.1 159 6 301.9 305.0 297.1 352.1 17.00 2 1000 84 28.8 21.8 66 7.0 23.8 175 9 302.0 305.0 296.9 351.1 16.66 3 960 447 25.6 20.6 74 5.0 22.0 162 13 302.3 305.2 296.6 349.9 16.11 4 925 774 24.4 15.4 57 9.0 18.3 160 12 304.3 306.5 294.3 340.0 11.98 5 850 1509 19.8 11.8 60 8.0 14.6 135 6 306.9 308.8 293.8 337.9 10.28 6 781 2234 15.2 9.2 67 6.0 11.4 118 8 309.5 311.2 293.9 338.2 9.40 7 700 3156 10.8 2.8 58 8.0 6.2 90 14 314.4 315.7 293.2 335.5 6.70 8 592 4531 2.6 -3.4 65 6.0 -0.4 123 7 320.4 321.3 293.5 336.7 5.03 9 500 5880 -3.7 -17.7 33 14.0 -8.9 360 2 328.5 328.9 293.1 335.1 1.90 10 485 6121 -5.5 -21.5 27 16.0 -10.8 353 4 329.2 329.5 292.9 334.2 1.41 11 400 7610 -14.9 -23.9 46 9.0 -17.5 175 7 335.6 335.9 294.5 340.6 1.39 12 381 7975 -17.5 -22.5 65 5.0 -19.0 173 7 336.9 337.2 295.0 342.9 1.65 13 300 9720 -28.5 -38.5 38 10.0 -30.0 90 6 345.2 345.3 296.0 347.0 0.46 14 297 9792 -28.9 -39.9 34 11.0 -30.5 90 6 345.6 345.7 296.0 347.2 0.40 15 250 11000 -38.9 -48.9 34 10.0 -39.7 100 8 348.2 348.3 296.4 349.0 0.18 16 215 12016 -47.5 -61.5 19 14.0 -48.0 66 5 350.2 350.2 296.7 350.4 0.05 17 200 12490 -51.1 -58.1 43 7.0 -51.4 345 11 351.8 351.9 297.1 352.2 0.07 18 197 12588 -51.9 -57.9 48 6.0 -52.1 346 11 352.1 352.1 297.1 352.4 0.08 19 150 14290 -66.9 -71.9 49 5.0 -67.0 5 13 354.8 354.8 297.7 354.9 0.02 20 137 14830 -71.9 -76.9 47 5.0 -71.9 13 12 355.3 355.3 297.8 355.4 0.01 21 104 16411 -82.3 -86.3 50 4.0 -82.3 328 13 364.6 364.6 299.6 364.6 0.00 22 101 16575 -82.7 -86.4 53 3.7 -82.7 58 12 366.9 366.9 300.0 366.9 0.00 23 100 16630 -82.9 -87.6 44 4.7 -82.9 105 11 367.6 367.6 300.1 367.6 0.00 24 98 16743 -83.5 -88.3 43 4.8 -83.5 115 12 368.5 368.5 300.3 368.5 0.00 25 91 17161 -79.7 -85.7 36 6.0 -79.7 103 13 384.0 384.0 302.9 384.0 0.00 26 91 17161 -79.7 -86.7 30 7.0 -79.7 103 13 384.0 384.0 302.9 384.0 0.00 27 81 17817 -83.9 -87.3 55 3.4 -83.9 84 14 388.3 388.3 303.5 388.3 0.00 28 81 17817 -83.9 -87.8 50 3.9 -83.9 84 14 388.3 388.3 303.5 388.3 0.00 29 74 18323 -82.1 -88.1 35 6.0 -82.1 80 15 402.3 402.3 305.5 402.3 0.00 30 70 18640 -75.9 -85.9 19 10.0 -75.9 160 13 422.0 422.0 307.9 422.0 0.00 31 67 18896 -71.7 -84.7 13 13.0 -71.8 183 14 436.4 436.4 309.5 436.4 0.00 32 66 18984 -71.5 -85.5 11 14.0 -71.6 191 14 438.7 438.7 309.7 438.8 0.00 33 64 19167 -69.7 -82.7 13 13.0 -69.8 207 14 446.6 446.6 310.6 446.6 0.01 34 51 20512 -71.9 -85.9 11 14.0 -72.0 274 6 471.4 471.4 312.8 471.4 0.00 35 50 20630 -67.1 -83.1 9 16.0 -67.3 275 4 485.4 485.4 313.9 485.4 0.01 36 46 21134 -66.7 -83.7 7 17.0 -67.0 304 3 498.0 498.0 314.8 498.1 0.01 37 43 21544 -63.9 -83.9 5 20.0 -64.3 324 3 514.6 514.6 315.9 514.7 0.01 38 43 21544 -59.7 -81.7 4 22.0 -60.4 324 3 525.0 525.0 316.6 525.0 0.01 39 40 22000 -56.5 -79.5 4 23.0 -57.5 311 5 544.0 544.0 317.8 544.1 0.02 40 32 23396 -62.5 -85.5 3 23.0 -63.1 272 11 563.8 563.8 318.8 563.8 0.01 TRP 98 16743 -83.5 -88.3 43 4.8 -83.5 115 12 368.5 368.5 300.3 368.5 0.00 WND Sounding variables and indices 1000-500 mb thick: 5796.00 m Freezing level: 554.03 mb = 5087.48 m = 16691.01 ft Wetbulb zero: 599.26 mb = 4430.60 m = 14535.92 ft Precipitable water: 1.85 inches Sfc-500 mean rel hum: 59.15 % Est. max temperature: 34.15 C = 93.47 F Sfc-Lift cond lev (LCL): 911.42 mb = 902.58 m = 2961.19 ft T: 23.60 C 700-500 lapse rate: 5.32 C/km ThetaE index: 21.92 C Layer 1005.0- 781.0 mb Conv cond level (CCL): 797.58 mb = 2053.90 m = 6738.42 ft Mean mixing ratio: 14.80 g/kg Conv temperature: 36.39 C = 97.50 F Cap Strength: 3.19 C Lifted Index: 0.38 C Risk: Showers probable Lifted Index @300 mb: 1.60 C Lifted Index @700 mb: 1.11 C Showalter Index: 3.96 C Risk: None Total Totals Index: 39.00 C Risk: None Vertical Totals Index: 23.50 C Cross Totals Index: 15.50 C K Index: 27.30 Risk: 40-60 % chance of thunderstorms Sweat Index: 155.60 Risk: None Energy Index: -0.47 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 48.46 J/kg Max Up Vert Vel: 9.84 m/s Conv Inhibition (B-): 167.67 J/kg Cap Strength: 3.19 C Lift Cond Lev (LCL): 866.93 mb = 1337.57 m = 4388.30 ft Lev Free Conv (LFC): 621.93 mb = 4126.00 m = 13536.59 ft Equ Level (EL): 521.93 mb = 5537.04 m = 18165.93 ft B at Equ Level: 23.05 J/kg Max Parcel Lev (MPL): 291.93 mb = 9912.74 m = 32521.72 ft Wind level data Storm motion: 151 at 6 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 1008 5 150 4 -2.0 3.5 | 332 2 1.0 -1.9 1 1000 84 175 9 -0.8 9.0 | 212 4 2.2 3.6 2 975 305 160 13 -4.4 12.2 | 168 7 -1.4 6.8 3 942 610 165 13 -3.4 12.6 | 177 7 -0.4 7.2 4 925 774 160 12 -4.1 11.3 | 169 6 -1.1 5.9 5 910 914 160 10 -3.4 9.4 | 174 4 -0.4 4.0 6 879 1219 150 8 -4.0 6.9 | 147 2 -1.0 1.5 7 850 1509 135 6 -4.2 4.2 | 47 2 -1.2 -1.1 8 819 1829 100 5 -4.9 0.9 | 23 5 -1.9 -4.5 9 790 2134 120 8 -6.9 4.0 | 71 4 -3.9 -1.4 10 762 2438 115 7 -6.3 3.0 | 54 4 -3.3 -2.4 11 735 2743 100 9 -8.9 1.6 | 57 7 -5.9 -3.8 12 700 3156 90 14 -14.0 0.0 | 64 12 -11.0 -5.4 13 658 3658 105 15 -14.5 3.9 | 83 12 -11.5 -1.5 14 610 4267 105 9 -8.7 2.3 | 62 6 -5.7 -3.1 15 566 4877 150 3 -1.5 2.6 | 332 3 1.5 -2.8 16 500 5880 360 2 -0.0 -2.0 | 338 8 3.0 -7.4 17 486 6096 355 4 0.3 -4.0 | 340 10 3.4 -9.4 18 400 7610 175 7 -0.6 7.0 | 236 3 2.4 1.6 19 399 7620 190 7 1.2 6.9 | 250 4 4.2 1.5 20 325 9144 115 7 -6.3 3.0 | 54 4 -3.3 -2.4 21 300 9720 90 6 -6.0 0.0 | 29 6 -3.0 -5.4 22 262 10668 85 7 -7.0 -0.6 | 34 7 -4.0 -6.0 23 250 11000 100 8 -7.9 1.4 | 51 6 -4.9 -4.0 24 209 12192 60 5 -4.3 -2.5 | 10 8 -1.3 -7.9 25 200 12490 345 11 2.8 -10.6 | 340 17 5.8 -16.0 26 164 13716 360 15 -0.0 -15.0 | 352 21 3.0 -20.4 27 150 14290 5 13 -1.1 -13.0 | 354 18 1.9 -18.3 28 127 15240 20 11 -3.8 -10.3 | 3 16 -0.8 -15.7 29 103 16459 325 13 7.5 -10.6 | 327 19 10.5 -16.0 30 100 16630 105 11 -10.6 2.8 | 72 8 -7.6 -2.5 31 98 16743 115 12 -10.9 5.1 | 88 8 -7.9 -0.3 32 75 18288 70 15 -14.1 -5.1 | 47 15 -11.1 -10.5 33 70 18640 160 13 -4.4 12.2 | 168 7 -1.4 6.8 34 57 19812 265 16 15.9 1.4 | 282 19 18.9 -4.0 35 50 20630 275 4 4.0 -0.3 | 309 9 7.0 -5.7 36 43 21336 325 3 1.7 -2.5 | 329 9 4.7 -7.8 37 32 22860 270 11 11.0 -0.0 | 291 15 14.0 -5.4 Wind Parameters Mean winds (0-6000m): 120.9 at 8.2 knts Storm direction: 150.9 at 6.2 knts Shear (0-3000m) pos: 1.6 neg: 2.4 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): 90.8 deg Storm rel helicity (0-3000m) pos: 8.3 neg: -12.5 tot: -4.2 m^2/s^2 ave: -1.4 10^-3 m/s^2 rel: -0.34 Storm rel vorticity (0-3000m) horiz: 6.1 stream: -2.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 6.26 Bulk Shear: 7.74 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 ------------------------------------------------------------------------------- 500 164 11 179 5| 9.4 0.0 9.4| 1.4 -7.3 -6.0 -11.9 -0.79| 13.2-10.5 1000 163 11 176 6| 4.7 2.0 6.7| 2.4 -9.0 -6.6 -6.6 -0.61| 8.9 -5.5 1500 159 10 172 4| 3.1 2.8 5.9| 2.4 -10.5 -8.1 -5.4 -0.65| 7.5 -4.8 2000 153 9 156 3| 2.4 2.6 5.0| 4.7 -11.6 -6.9 -3.5 -0.50| 7.0 -3.5 2500 146 9 136 3| 2.0 2.1 4.1| 6.2 -12.5 -6.2 -2.5 -0.43| 6.1 -2.6 3000 138 9 112 3| 1.6 2.4 4.1| 8.3 -12.5 -4.2 -1.4 -0.34| 6.1 -2.0 4000 123 10 92 5| 1.5 1.8 3.3| 20.2 -15.9 4.3 1.1 -0.21| 5.7 -1.2 5000 122 9 85 5| 1.3 1.5 2.8| 20.8 -21.2 -0.4 -0.1 -0.25| 5.7 -1.4 6000 121 8 74 4| 1.1 1.5 2.6| 21.9 -25.4 -3.4 -0.6 -0.25| 5.3 -1.3 Wrote GIF file: /home/apache/climate/data/raob//VTBP/skewt/VTBP.skewt.20250427.12.gif