UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042900.upa.cvt Date: 0000Z 29 APR 25 Searching for VV811... Searching the city database file for: VV811 ... Date:0000Z 29 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 106 SFC 959 470 21.8 21.5 98 0.3 21.6 0 0 298.5 301.6 296.3 348.2 17.07 2 925 784 21.2 18.0 82 3.2 19.0 245 1 301.0 303.6 295.0 342.6 14.18 3 916 869 20.8 17.6 82 3.2 18.6 229 1 301.4 304.0 294.9 342.5 13.96 4 850 1516 16.4 15.8 96 0.6 16.0 105 5 303.3 305.8 295.1 343.1 13.40 5 827 1749 15.0 15.0 100 0.0 15.0 116 6 304.2 306.7 295.1 343.2 13.08 6 758 2482 10.6 10.1 97 0.5 10.3 152 11 307.1 309.1 293.9 338.3 10.30 7 737 2717 11.2 7.8 80 3.4 9.1 164 12 310.3 312.0 293.9 338.0 9.05 8 700 3146 8.4 7.6 95 0.8 7.9 185 15 311.8 313.6 294.5 340.8 9.40 9 691 3253 7.6 7.6 100 0.0 7.6 187 15 312.1 313.9 294.7 341.4 9.53 10 649 3768 4.8 1.6 80 3.2 3.0 194 15 314.5 315.8 293.2 335.4 6.64 11 613 4230 1.0 0.4 96 0.6 0.7 201 15 315.3 316.6 293.2 335.7 6.44 12 500 5850 -5.9 -6.0 99 0.1 -6.0 225 15 325.8 326.8 294.8 342.0 4.89 13 458 6534 -9.3 -9.6 98 0.3 -9.4 235 21 329.9 330.7 295.1 343.5 4.04 14 400 7570 -15.7 -16.4 94 0.7 -16.0 250 29 334.6 335.1 295.3 343.9 2.66 15 366 8235 -20.5 -22.9 81 2.4 -21.2 258 30 336.8 337.1 295.0 342.8 1.66 16 344 8691 -23.9 -24.4 96 0.5 -24.0 263 30 338.2 338.5 295.2 343.8 1.54 17 318 9262 -26.9 -30.4 72 3.5 -27.6 270 31 341.7 341.9 295.6 345.3 0.96 18 300 9680 -30.3 -35.2 62 4.9 -31.1 275 31 342.7 342.8 295.6 345.1 0.64 19 298 9728 -30.7 -36.7 56 6.0 -31.6 275 31 342.8 342.9 295.5 344.9 0.55 20 250 10950 -40.9 -44.9 65 4.0 -41.2 265 35 345.3 345.3 295.8 346.4 0.28 21 234 11397 -44.9 -48.2 69 3.3 -45.1 262 39 345.8 345.8 295.9 346.6 0.21 22 218 11867 -48.3 -50.7 76 2.4 -48.4 259 44 347.6 347.6 296.3 348.3 0.17 23 200 12430 -52.9 -57.5 57 4.6 -53.1 255 50 349.0 349.0 296.5 349.3 0.08 24 186 12893 -56.7 -65.7 31 9.0 -56.9 256 51 350.2 350.2 296.7 350.3 0.03 25 157 13944 -65.3 -70.2 51 4.9 -65.4 259 53 353.0 353.0 297.3 353.0 0.02 26 150 14220 -67.1 -72.1 49 5.0 -67.1 260 54 354.5 354.5 297.6 354.6 0.02 27 139 14676 -69.9 -76.9 35 7.0 -69.9 273 46 357.4 357.4 298.2 357.4 0.01 28 112 15939 -77.1 -83.1 38 6.0 -77.1 310 23 366.7 366.7 299.9 366.7 0.00 29 100 16590 -76.9 -84.9 27 8.0 -76.9 325 15 379.1 379.1 302.1 379.2 0.00 TRP 112 15939 -77.1 -83.1 38 6.0 -77.1 310 23 366.7 366.7 299.9 366.7 0.00 WND Sounding variables and indices 1000-500 mb thick: 5744.00 m Freezing level: 596.62 mb = 4465.02 m = 14648.83 ft Wetbulb zero: 601.66 mb = 4378.67 m = 14365.56 ft Precipitable water: 2.01 inches Sfc-500 mean rel hum: 93.21 % Est. max temperature: 28.20 C = 82.75 F Sfc-Lift cond lev (LCL): 955.16 mb = 505.12 m = 1657.21 ft T: 21.73 C 700-500 lapse rate: 5.29 C/km ThetaE index: 5.68 C Layer 925.0- 850.0 mb Conv cond level (CCL): 859.80 mb = 1416.89 m = 4648.54 ft Mean mixing ratio: 14.37 g/kg Conv temperature: 26.28 C = 79.30 F Cap Strength: 1.04 C Lifted Index: -0.59 C Risk: Thunderstorms probable Lifted Index @300 mb: 1.61 C Lifted Index @700 mb: -0.41 C Showalter Index: -0.35 C Risk: Thunderstorms probable Total Totals Index: 44.00 C Risk: None Vertical Totals Index: 22.30 C Cross Totals Index: 21.70 C K Index: 37.30 Risk: > 80 % chance of thunderstorms Sweat Index: 214.60 Risk: None Energy Index: -0.35 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 184.87 J/kg Max Up Vert Vel: 19.23 m/s Conv Inhibition (B-): 13.67 J/kg Cap Strength: 1.04 C Lift Cond Lev (LCL): 881.29 mb = 1203.32 m = 3947.85 ft Lev Free Conv (LFC): 826.29 mb = 1756.43 m = 5762.49 ft Equ Level (EL): 736.29 mb = 2725.21 m = 8940.88 ft B at Equ Level: 37.45 J/kg Max Parcel Lev (MPL): 236.29 mb = 11330.84 m = 37174.22 ft Wind level data Storm motion: 230 at 9 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 ---------------------------------------------------------- 0 959 470 0 0 -0.0 -0.0 | 50 9 -6.8 -5.7 1 925 784 245 1 0.9 0.4 | 48 8 -5.9 -5.2 2 850 1516 105 5 -4.8 1.3 | 69 12 -11.6 -4.4 3 700 3146 185 15 1.3 14.9 | 149 11 -5.5 9.3 4 500 5850 225 15 10.6 10.6 | 217 6 3.8 5.0 5 400 7570 250 29 27.3 9.9 | 258 21 20.4 4.3 6 300 9680 275 31 30.9 -2.7 | 289 25 24.1 -8.4 7 250 10950 265 35 34.9 3.1 | 275 28 28.1 -2.6 8 200 12430 255 50 48.3 12.9 | 260 42 41.5 7.3 9 150 14220 260 54 53.2 9.4 | 265 47 46.4 3.7 10 112 15939 310 23 17.6 -14.8 | 332 23 10.8 -20.4 11 100 16590 325 15 8.6 -12.3 | 354 18 1.8 -17.9 Wind Parameters Mean winds (0-6000m): 200.3 at 11.8 knts Storm direction: 230.3 at 8.9 knts Shear (0-3000m) pos: 2.5 neg: 0.8 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 104.6 deg Storm rel helicity (0-3000m) pos: 64.0 neg: -3.0 tot: 61.0 m^2/s^2 ave: 20.3 10^-3 m/s^2 rel: 0.72 Storm rel vorticity (0-3000m) horiz: 4.8 stream: 3.5 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 11.43 Bulk Shear: 16.18 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 ------------------------------------------------------------------------------- 500 230 1 50 8| 0.0 2.1 2.1| 2.4 -1.3 1.2 2.3 0.25| 2.9 0.7 1000 130 2 63 9| 0.0 2.4 2.4| 7.1 -2.8 4.2 4.2 0.28| 4.7 1.3 1500 118 3 68 11| 1.2 1.6 2.8| 18.2 -3.0 15.3 10.2 0.44| 4.5 2.0 2000 134 5 78 11| 2.0 1.2 3.2| 35.3 -3.0 32.3 16.2 0.59| 4.7 2.8 2500 155 6 91 10| 2.6 1.0 3.5| 54.2 -3.0 51.2 20.5 0.69| 5.0 3.4 3000 169 8 104 9| 2.5 0.8 3.3| 64.0 -3.0 61.0 20.3 0.72| 4.8 3.5 4000 181 10 121 8| 2.0 0.6 2.6| 71.8 -3.0 68.8 17.2 0.73| 4.1 3.0 5000 191 11 136 7| 1.7 0.5 2.2| 78.5 -3.0 75.6 15.1 0.75| 3.7 2.8 6000 200 12 153 6| 2.0 0.4 2.4| 87.6 -3.0 84.6 14.1 0.73| 3.7 2.7 Wrote GIF file: /home/apache/climate/data/raob//VV811/skewt/VV811.skewt.20250429.00.gif