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 VTCC... Searching the city database file for: VTCC ... Date:1200Z 27 APR 25 Station: VTCC WMO ident: 48327 Latitude: 18.78 Longitude: 98.98 Elevation: 314.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 60 SFC 972 314 35.2 16.2 32 19.0 21.9 180 2 310.9 313.1 296.1 347.6 12.00 2 957 456 32.8 15.8 36 17.0 21.1 175 5 309.8 312.1 295.7 346.0 11.88 3 939 628 32.8 14.8 34 18.0 20.4 170 9 311.5 313.7 295.8 346.3 11.34 4 925 764 31.6 14.6 36 17.0 19.9 170 13 311.6 313.8 295.8 346.5 11.37 5 850 1516 25.2 11.2 41 14.0 16.0 200 4 312.5 314.4 295.0 343.1 9.88 6 777 2295 17.6 9.6 59 8.0 12.5 235 7 312.5 314.4 294.9 342.5 9.71 7 707 3094 11.2 6.8 74 4.4 8.5 233 7 314.0 315.7 294.7 341.4 8.81 8 700 3177 10.6 5.9 73 4.7 7.8 235 7 314.2 315.8 294.4 340.3 8.35 9 665 3602 7.4 2.5 71 4.9 4.6 261 7 315.3 316.6 293.6 337.0 6.91 10 645 3853 5.8 -1.2 61 7.0 2.1 262 6 316.2 317.3 292.7 333.5 5.44 11 620 4177 5.4 -11.6 28 17.0 -1.9 257 3 319.4 319.9 291.1 327.8 2.54 12 606 4364 4.6 -14.4 24 19.0 -3.1 256 2 320.5 320.9 291.0 327.5 2.07 13 589 4595 2.8 -19.2 18 22.0 -5.1 258 2 321.1 321.3 290.5 325.9 1.42 14 560 5001 -1.1 -9.1 55 8.0 -4.7 254 2 321.1 321.8 292.4 332.4 3.43 15 558 5030 -1.3 -9.3 54 8.0 -4.8 252 2 321.2 321.9 292.4 332.4 3.39 16 546 5204 -1.5 -18.5 26 17.0 -7.5 242 2 323.0 323.3 291.3 328.6 1.63 17 529 5455 -3.3 -23.3 20 20.0 -9.5 227 3 323.8 324.0 291.0 327.6 1.11 18 524 5530 -3.7 -14.7 42 11.0 -7.9 222 3 324.2 324.6 292.3 332.1 2.33 19 500 5900 -5.5 -30.5 12 25.0 -11.9 200 3 326.3 326.5 291.3 328.5 0.60 20 496 5963 -5.9 -32.9 10 27.0 -12.4 208 4 326.6 326.7 291.3 328.4 0.48 21 462 6513 -9.9 -28.9 20 19.0 -14.7 241 6 328.3 328.5 292.0 331.1 0.76 22 445 6800 -11.1 -23.1 36 12.0 -14.7 253 6 330.3 330.6 293.1 335.1 1.34 23 423 7187 -12.7 -36.7 11 24.0 -17.6 268 7 333.1 333.2 293.0 334.6 0.39 24 417 7295 -12.9 -23.9 39 11.0 -16.2 272 7 334.2 334.5 294.1 339.0 1.33 25 415 7332 -13.1 -21.1 51 8.0 -15.7 274 7 334.4 334.8 294.4 340.5 1.71 26 400 7610 -15.9 -22.9 55 7.0 -18.0 285 7 334.3 334.6 294.3 339.8 1.52 27 364 8313 -20.7 -31.7 37 11.0 -23.0 273 12 337.1 337.2 294.3 339.8 0.74 28 359 8415 -21.3 -50.3 5 29.0 -24.8 272 13 337.6 337.6 293.8 338.0 0.11 29 353 8539 -21.9 -32.9 36 11.0 -24.1 271 13 338.4 338.5 294.6 341.0 0.68 30 346 8686 -22.7 -53.7 4 31.0 -26.0 270 14 339.3 339.3 294.2 339.6 0.07 31 337 8879 -24.1 -51.1 6 27.0 -27.1 268 15 339.9 339.9 294.4 340.4 0.10 32 325 9143 -24.1 -41.1 19 17.0 -26.7 265 17 343.5 343.5 295.4 344.8 0.32 33 307 9555 -28.3 -39.3 34 11.0 -29.9 258 16 343.2 343.3 295.5 344.8 0.41 34 300 9720 -29.7 -40.7 34 11.0 -31.2 255 16 343.5 343.6 295.5 345.0 0.36 35 290 9962 -31.9 -44.9 26 13.0 -33.3 258 18 343.7 343.8 295.4 344.7 0.24 36 272 10414 -34.1 -50.1 18 16.0 -35.5 262 20 346.9 346.9 296.1 347.5 0.14 37 260 10729 -36.9 -63.9 4 27.0 -38.2 265 22 347.3 347.3 296.1 347.4 0.03 38 250 11000 -39.3 -58.3 12 19.0 -40.4 265 23 347.6 347.6 296.1 347.9 0.06 39 243 11194 -40.5 -65.5 5 25.0 -41.5 265 23 348.7 348.7 296.4 348.8 0.02 40 235 11421 -42.5 -52.5 33 10.0 -43.1 265 22 349.0 349.0 296.5 349.5 0.13 41 202 12425 -50.9 -71.9 7 21.0 -51.3 269 22 351.2 351.2 296.9 351.2 0.01 42 200 12490 -51.5 -70.5 9 19.0 -51.9 270 23 351.2 351.2 296.9 351.3 0.01 43 162 13822 -63.5 -73.5 24 10.0 -63.6 253 27 352.8 352.8 297.3 352.9 0.01 44 156 14052 -65.5 -75.5 24 10.0 -65.6 249 29 353.3 353.3 297.3 353.3 0.01 45 150 14290 -67.1 -78.1 20 11.0 -67.2 245 31 354.5 354.5 297.6 354.5 0.01 46 121 15555 -76.7 -86.7 19 10.0 -76.7 251 25 359.4 359.4 298.6 359.4 0.00 47 110 16102 -77.7 -90.7 11 13.0 -77.7 263 20 367.4 367.4 300.1 367.5 0.00 48 104 16424 -75.5 -90.5 8 15.0 -75.5 269 17 377.6 377.6 301.9 377.6 0.00 49 100 16650 -77.5 -92.5 7 15.0 -77.5 280 18 378.0 378.0 301.9 378.0 0.00 50 82 17765 -84.5 -95.5 13 11.0 -84.5 230 3 385.8 385.8 303.2 385.8 0.00 51 74 18342 -77.7 -92.7 7 15.0 -77.7 170 8 411.6 411.6 306.7 411.6 0.00 52 70 18660 -76.7 -93.7 5 17.0 -76.7 140 4 420.3 420.3 307.7 420.3 0.00 53 60 19547 -76.7 -93.7 5 17.0 -76.7 179 12 439.2 439.2 309.8 439.2 0.00 54 56 19952 -68.9 -88.9 4 20.0 -69.1 224 13 465.8 465.8 312.3 465.8 0.00 55 51 20519 -64.3 -87.3 3 23.0 -64.6 340 10 489.2 489.2 314.2 489.2 0.00 56 50 20640 -63.3 -87.3 2 24.0 -63.7 5 9 494.3 494.3 314.5 494.3 0.00 57 42 21714 -62.3 -86.3 3 24.0 -62.8 522.1 522.1 316.4 522.1 0.01 TRP 82 17765 -84.5 -95.5 13 11.0 -84.5 230 3 385.8 385.8 303.2 385.8 0.00 WND Sounding variables and indices 1000-500 mb thick: 5840.00 m Freezing level: 568.18 mb = 4886.83 m = 16032.71 ft Wetbulb zero: 632.01 mb = 4019.94 m = 13188.63 ft Precipitable water: 1.45 inches Sfc-500 mean rel hum: 45.69 % Est. max temperature: 36.88 C = 98.38 F Sfc-Lift cond lev (LCL): 739.35 mb = 2715.19 m = 8907.99 ft T: 14.23 C 700-500 lapse rate: 5.91 C/km ThetaE index: 20.60 C Layer 850.0- 560.0 mb Conv cond level (CCL): 693.30 mb = 3256.73 m = 10684.69 ft Mean mixing ratio: 11.20 g/kg Conv temperature: 38.73 C = 101.72 F Cap Strength: 2.03 C Lifted Index: -1.01 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.98 C Lifted Index @700 mb: 1.18 C Showalter Index: 0.05 C Risk: Thunderstorms probable Total Totals Index: 47.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 30.70 C Cross Totals Index: 16.70 C K Index: 37.20 Risk: > 80 % chance of thunderstorms Sweat Index: 145.40 Risk: None Energy Index: -2.70 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 154.80 J/kg Max Up Vert Vel: 17.60 m/s Conv Inhibition (B-): 96.39 J/kg Cap Strength: 2.03 C Lift Cond Lev (LCL): 722.42 mb = 2911.17 m = 9550.97 ft Lev Free Conv (LFC): 657.42 mb = 3696.48 m = 12127.40 ft Equ Level (EL): 627.42 mb = 4079.57 m = 13384.26 ft B at Equ Level: 9.59 J/kg Max Parcel Lev (MPL): 597.42 mb = 4479.60 m = 14696.68 ft Wind level data Storm motion: 255 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 ---------------------------------------------------------- 0 972 314 180 2 0.0 2.0 | 105 4 -3.7 1.0 1 941 610 170 9 -1.6 8.9 | 146 9 -5.2 7.9 2 925 764 170 13 -2.3 12.8 | 153 13 -5.9 11.8 3 909 914 185 6 0.5 6.0 | 148 6 -3.2 5.0 4 879 1219 200 4 1.4 3.8 | 140 4 -2.3 2.8 5 850 1516 200 4 1.4 3.8 | 140 4 -2.3 2.8 6 819 1829 230 5 3.8 3.2 | 184 2 0.2 2.2 7 791 2134 235 6 4.9 3.4 | 207 3 1.2 2.4 8 763 2438 235 9 7.4 5.2 | 222 6 3.7 4.2 9 736 2743 225 8 5.7 5.7 | 203 5 2.0 4.7 10 700 3177 235 7 5.7 4.0 | 214 4 2.1 3.0 11 660 3658 265 7 7.0 0.6 | 277 3 3.3 -0.4 12 612 4267 255 2 1.9 0.5 | 74 2 -1.7 -0.5 13 567 4877 260 2 2.0 0.3 | 69 2 -1.7 -0.7 14 500 5900 200 3 1.0 2.8 | 124 3 -2.6 1.8 15 487 6096 225 6 4.2 4.2 | 190 3 0.6 3.2 16 400 7610 285 7 6.8 -1.8 | 312 4 3.1 -2.8 17 399 7620 280 8 7.9 -1.4 | 300 5 4.2 -2.4 18 325 9144 265 17 16.9 1.5 | 268 13 13.3 0.5 19 300 9720 255 16 15.5 4.1 | 255 12 11.8 3.1 20 262 10668 265 22 21.9 1.9 | 267 18 18.2 0.9 21 250 11000 265 23 22.9 2.0 | 267 19 19.2 1.0 22 209 12192 265 20 19.9 1.7 | 267 16 16.3 0.7 23 200 12490 270 23 23.0 -0.0 | 273 19 19.3 -1.0 24 164 13716 255 26 25.1 6.7 | 255 22 21.4 5.7 25 150 14290 245 31 28.1 13.1 | 244 27 24.4 12.1 26 127 15240 245 27 24.5 11.4 | 243 23 20.8 10.4 27 103 16459 270 17 17.0 -0.0 | 274 13 13.3 -1.0 28 100 16650 280 18 17.7 -3.1 | 286 15 14.1 -4.1 29 82 17765 230 3 2.3 1.9 | 124 2 -1.4 0.9 30 75 18288 175 9 -0.8 9.0 | 151 9 -4.5 8.0 31 70 18660 140 4 -2.6 3.1 | 108 7 -6.2 2.1 32 58 19812 190 14 2.4 13.8 | 174 13 -1.2 12.8 33 50 20640 5 9 -0.8 -9.0 | 24 11 -4.5 -10.0 34 43 21336 70 13 -12.2 -4.4 | 71 17 -15.9 -5.5 Wind Parameters Mean winds (0-6000m): 224.7 at 5.1 knts Storm direction: 254.7 at 3.8 knts Shear (0-3000m) pos: 2.0 neg: 1.7 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 125.7 deg Storm rel helicity (0-3000m) pos: 14.9 neg: -4.7 tot: 10.2 m^2/s^2 ave: 3.4 10^-3 m/s^2 rel: 0.28 Storm rel vorticity (0-3000m) horiz: 5.0 stream: 1.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 29.25 Bulk Shear: 5.29 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 ------------------------------------------------------------------------------- 500 171 8 144 8| 0.0 8.9 8.9| 10.0 0.0 10.0 20.0 0.48| 11.6 5.6 1000 178 7 145 7| 3.7 4.5 8.2| 10.0 -2.6 7.4 7.4 0.21| 9.5 2.0 1500 186 6 147 6| 3.0 3.0 6.0| 11.5 -2.6 8.9 6.0 0.28| 7.2 2.0 2000 198 6 158 5| 2.5 2.2 4.7| 12.9 -2.6 10.3 5.1 0.32| 6.2 2.0 2500 207 6 171 5| 2.0 2.0 4.0| 13.2 -4.7 8.5 3.4 0.24| 5.5 1.3 3000 213 7 178 5| 2.0 1.7 3.6| 14.9 -4.7 10.2 3.4 0.28| 5.0 1.4 4000 223 6 189 4| 1.7 1.4 3.1| 17.3 -4.7 12.6 3.2 0.34| 4.7 1.6 5000 226 5 183 3| 1.4 1.2 2.6| 17.8 -4.8 13.0 2.6 0.35| 3.9 1.4 6000 225 5 178 3| 1.3 1.1 2.4| 21.7 -4.8 17.0 2.8 0.42| 3.8 1.6 Wrote GIF file: /home/apache/climate/data/raob//VTCC/skewt/VTCC.skewt.20250427.12.gif