UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042500.upa.cvt Date: 0000Z 25 APR 25 Searching for VV811... Searching the city database file for: VV811 ... Date:0000Z 25 APR 25 Station: VV811 WMO ident: 48811 Latitude: 21.40 Longitude: 103.02 ------------------------------------------------------------------------------- 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 70 SFC 955 475 23.0 22.0 94 1.0 22.3 180 1 300.1 303.3 297.0 351.9 17.69 2 942 595 22.0 21.6 98 0.4 21.8 191 2 300.2 303.4 297.0 351.5 17.50 3 925 755 23.4 20.6 84 2.8 21.4 205 3 303.2 306.3 297.3 352.9 16.74 4 887 1123 24.6 17.6 65 7.0 19.6 205 5 308.1 310.8 297.0 351.8 14.42 5 850 1496 21.8 16.8 73 5.0 18.3 205 7 309.0 311.7 297.1 352.4 14.31 6 732 2775 12.4 11.9 97 0.5 12.1 274 9 312.2 314.5 296.5 349.3 12.05 7 700 3149 9.8 6.3 79 3.5 7.7 295 9 313.3 315.0 294.3 340.0 8.59 8 692 3244 9.0 7.6 91 1.4 8.1 296 10 313.5 315.3 295.0 343.0 9.51 9 689 3280 9.2 4.8 74 4.4 6.6 296 10 314.1 315.6 294.0 338.6 7.85 10 629 4027 2.6 0.5 86 2.1 1.5 300 14 314.8 316.1 293.0 334.8 6.32 11 612 4249 2.6 0.4 85 2.2 1.4 301 15 317.3 318.6 293.8 337.8 6.45 12 591 4531 0.6 0.6 100 0.0 0.6 303 17 318.2 319.5 294.3 339.8 6.78 13 583 4641 0.0 -0.6 96 0.6 -0.3 303 18 318.7 319.9 294.0 338.9 6.30 14 524 5491 -3.5 -3.5 100 0.0 -3.5 308 23 324.4 325.5 295.0 342.9 5.65 15 500 5860 -6.9 -12.9 62 6.0 -9.3 310 25 324.6 325.2 292.9 334.2 2.83 16 488 6050 -6.7 -15.7 49 9.0 -10.1 307 26 327.1 327.6 293.1 335.0 2.31 17 474 6277 -8.1 -12.2 72 4.1 -9.8 304 27 328.1 328.8 294.0 338.9 3.17 18 460 6510 -9.7 -15.7 62 6.0 -11.9 301 28 329.0 329.5 293.7 337.4 2.45 19 421 7191 -13.3 -14.7 89 1.4 -13.8 291 31 332.8 333.4 295.0 342.9 2.91 20 400 7580 -15.1 -16.7 88 1.6 -15.7 285 33 335.4 335.9 295.4 344.5 2.59 21 387 7829 -16.3 -18.9 80 2.6 -17.2 286 32 337.0 337.4 295.5 344.9 2.22 22 386 7849 -16.1 -18.9 79 2.8 -17.0 286 32 337.5 337.9 295.6 345.4 2.23 23 370 8167 -18.1 -22.1 71 4.0 -19.3 286 30 338.9 339.3 295.6 345.3 1.76 24 361 8350 -20.1 -21.7 87 1.6 -20.6 287 29 338.7 339.0 295.6 345.4 1.87 25 348 8621 -21.9 -26.0 69 4.1 -22.9 287 27 339.8 340.1 295.4 344.7 1.32 26 342 8749 -21.7 -57.7 2 36.0 -25.4 288 26 341.8 341.8 294.8 342.0 0.05 27 340 8793 -21.9 -54.9 3 33.0 -25.5 288 26 342.1 342.1 294.9 342.3 0.07 28 300 9700 -29.9 -59.9 4 30.0 -32.1 290 21 343.2 343.2 295.1 343.4 0.04 29 289 9964 -32.3 -59.3 5 27.0 -34.1 292 21 343.5 343.5 295.2 343.7 0.04 30 250 10970 -39.3 -60.3 9 21.0 -40.4 300 21 347.6 347.6 296.1 347.8 0.05 31 230 11536 -44.3 -64.3 9 20.0 -45.0 309 17 348.4 348.4 296.3 348.5 0.03 32 227 11625 -44.9 -53.9 36 9.0 -45.4 311 17 348.8 348.8 296.5 349.3 0.11 33 200 12460 -51.9 -70.9 8 19.0 -52.2 325 11 350.6 350.6 296.8 350.6 0.01 34 197 12557 -52.7 -71.7 8 19.0 -53.1 323 11 350.8 350.8 296.8 350.9 0.01 35 182 13060 -57.1 -64.1 41 7.0 -57.2 314 11 351.7 351.7 297.0 351.9 0.04 36 177 13235 -58.5 -72.5 15 14.0 -58.7 310 11 352.2 352.2 297.1 352.3 0.01 37 150 14250 -66.7 -74.7 32 8.0 -66.8 290 11 355.2 355.2 297.7 355.2 0.01 38 132 15013 -72.5 -76.9 51 4.4 -72.5 285 14 358.1 358.1 298.3 358.1 0.01 39 103 16451 -78.3 -84.3 37 6.0 -78.3 275 21 373.3 373.3 301.1 373.3 0.00 40 100 16620 -77.9 -85.9 26 8.0 -77.9 265 17 377.2 377.2 301.8 377.2 0.00 TRP 103 16451 -78.3 -84.3 37 6.0 -78.3 275 21 373.3 373.3 301.1 373.3 0.00 WND Sounding variables and indices 1000-500 mb thick: 5790.00 m Freezing level: 583.00 mb = 4640.68 m = 15225.14 ft Wetbulb zero: 585.83 mb = 4601.76 m = 15097.46 ft Precipitable water: 2.05 inches Sfc-500 mean rel hum: 85.70 % Est. max temperature: 32.98 C = 91.36 F Sfc-Lift cond lev (LCL): 941.51 mb = 599.69 m = 1967.46 ft T: 22.04 C 700-500 lapse rate: 6.16 C/km ThetaE index: 12.38 C Layer 732.0- 692.0 mb Conv cond level (CCL): 788.00 mb = 2143.93 m = 7033.79 ft Mean mixing ratio: 15.68 g/kg Conv temperature: 33.44 C = 92.18 F Cap Strength: 3.53 C Lifted Index: -4.75 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -2.73 C Lifted Index @700 mb: -1.41 C Showalter Index: -4.81 C Risk: Severe thunderstorms possible Total Totals Index: 52.40 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.70 C Cross Totals Index: 23.70 C K Index: 42.00 Risk: > 80 % chance of thunderstorms Sweat Index: 308.60 Risk: Showers and thunderstorms possible Energy Index: -3.59 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1031.49 J/kg Max Up Vert Vel: 45.42 m/s Conv Inhibition (B-): 109.59 J/kg Cap Strength: 3.53 C Lift Cond Lev (LCL): 849.91 mb = 1496.88 m = 4910.97 ft Lev Free Conv (LFC): 734.91 mb = 2740.68 m = 8991.62 ft Equ Level (EL): 174.91 mb = 13307.69 m = 43659.87 ft B at Equ Level: 1026.30 J/kg Wind level data Storm motion: 327 at 10 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 ---------------------------------------------------------- 0 955 475 180 1 0.0 1.0 | 150 11 -5.5 9.5 1 925 755 205 3 1.3 2.7 | 159 12 -4.3 11.2 2 850 1496 205 7 3.0 6.3 | 170 15 -2.6 14.8 3 700 3149 295 9 8.2 -3.8 | 209 5 2.6 4.7 4 500 5860 310 25 19.2 -16.1 | 299 16 13.6 -7.6 5 400 7580 285 33 31.9 -8.5 | 270 26 26.4 -0.1 6 300 9700 290 21 19.7 -7.2 | 265 14 14.2 1.3 7 250 10970 300 21 18.2 -10.5 | 279 13 12.7 -2.0 8 200 12460 325 11 6.3 -9.0 | 305 1 0.8 -0.5 9 150 14250 290 11 10.3 -3.8 | 226 7 4.8 4.7 10 103 16451 275 21 20.9 -1.8 | 247 17 15.4 6.6 11 100 16620 265 17 16.9 1.5 | 229 15 11.4 9.9 Wind Parameters Mean winds (0-6000m): 296.9 at 13.5 knts Storm direction: 326.9 at 10.1 knts Shear (0-3000m) pos: 2.1 neg: 0.5 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 80.3 deg Storm rel helicity (0-3000m) pos: 41.2 neg: 0.0 tot: 41.2 m^2/s^2 ave: 13.7 10^-3 m/s^2 rel: 0.68 Storm rel vorticity (0-3000m) horiz: 3.5 stream: 2.4 10^-3/s Energy-Hel index: 0.22 Bulk Rich Number: 40.09 Bulk Shear: 25.73 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 ------------------------------------------------------------------------------- 500 202 3 158 12| 3.4 0.0 3.4| 8.5 0.0 8.5 17.1 0.81| 3.5 2.8 1000 204 4 163 13| 1.7 1.4 3.1| 14.7 0.0 14.7 14.7 0.73| 3.1 2.3 1500 210 5 167 13| 1.7 0.9 2.6| 25.6 0.0 25.6 17.0 0.77| 3.2 2.5 2000 222 6 173 13| 1.8 0.7 2.5| 33.6 0.0 33.6 16.8 0.74| 3.4 2.5 2500 236 6 179 12| 1.9 0.6 2.5| 37.8 0.0 37.8 15.1 0.67| 3.6 2.4 3000 251 7 185 11| 2.1 0.5 2.5| 41.2 0.0 41.2 13.7 0.68| 3.5 2.4 4000 275 9 202 8| 2.3 0.3 2.7| 50.2 0.0 50.2 12.6 0.71| 3.4 2.4 5000 290 11 226 7| 2.5 0.3 2.8| 61.4 0.0 61.4 12.3 0.69| 3.4 2.4 6000 297 13 250 7| 2.3 0.5 2.9| 66.3 -15.5 50.8 8.5 0.52| 3.5 1.8 Wrote GIF file: /home/apache/climate/data/raob//VV811/skewt/VV811.skewt.20250425.00.gif