UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101100.upa.cvt Date: 0000Z 11 OCT 25 Searching for VVTS... Searching the city database file for: VVTS ... Date:0000Z 11 OCT 25 Station: VVTS WMO ident: 48900 Latitude: 10.82 Longitude: 106.67 Elevation: 19.00 ------------------------------------------------------------------------------- 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 1010 19 26.0 24.8 93 1.2 25.2 245 1 298.3 301.9 298.0 356.2 19.88 1 1000 87 25.2 24.0 93 1.2 24.3 245 1 298.4 301.8 297.5 354.0 19.11 2 925 772 21.2 20.8 98 0.4 20.9 110 5 301.0 304.1 296.8 350.8 16.95 3 850 1503 17.6 16.5 93 1.1 16.8 30 5 304.6 307.2 295.8 346.4 14.03 4 772 2322 12.8 12.5 98 0.3 12.6 85 6 307.9 310.1 295.3 343.9 11.89 5 714 2978 9.8 9.7 99 0.1 9.7 129 7 311.6 313.6 295.3 344.3 10.65 6 700 3143 9.4 7.3 87 2.1 8.1 140 7 312.9 314.6 294.7 341.4 9.21 7 693 3227 9.2 5.8 79 3.4 7.2 143 7 313.6 315.2 294.2 339.6 8.38 8 684 3335 8.4 8.2 99 0.2 8.3 146 8 313.9 315.8 295.5 345.0 10.04 9 666 3556 7.6 6.1 90 1.5 6.7 153 8 315.4 317.1 295.1 343.2 8.91 10 647 3794 6.0 5.9 99 0.1 5.9 161 9 316.2 317.9 295.4 344.6 9.05 11 500 5870 -4.5 -6.6 85 2.1 -5.5 230 15 327.6 328.5 295.1 343.1 4.67 12 439 6887 -9.5 -15.5 62 6.0 -11.8 230 8 333.6 334.2 295.0 342.8 2.61 13 403 7543 -14.9 -16.7 86 1.8 -15.6 230 3 334.9 335.4 295.3 343.9 2.57 14 400 7600 -15.1 -17.8 80 2.7 -16.0 230 3 335.4 335.8 295.2 343.7 2.36 15 365 8285 -18.1 -25.1 54 7.0 -20.0 176 6 340.3 340.5 295.6 345.3 1.36 16 300 9710 -29.9 -36.9 51 7.0 -31.0 60 13 343.2 343.4 295.6 345.3 0.54 17 262 10659 -37.3 -46.3 39 9.0 -38.1 79 17 345.9 346.0 296.0 346.9 0.23 18 251 10953 -40.1 -44.1 65 4.0 -40.5 84 19 346.1 346.1 296.0 347.3 0.30 19 250 10980 -40.5 -44.8 63 4.3 -40.9 85 19 345.9 345.9 296.0 347.0 0.28 20 247 11062 -41.1 -46.1 58 5.0 -41.5 87 19 346.2 346.2 296.0 347.2 0.25 21 244 11145 -41.7 -54.7 23 13.0 -42.4 89 19 346.5 346.5 295.9 346.9 0.09 22 242 11201 -42.1 -49.1 46 7.0 -42.6 90 19 346.7 346.7 296.1 347.4 0.18 23 229 11572 -45.5 -49.6 63 4.1 -45.7 99 20 347.0 347.1 296.1 347.8 0.18 24 219 11868 -48.3 -52.2 64 3.9 -48.5 106 20 347.2 347.2 296.1 347.7 0.14 25 208 12206 -51.1 -54.1 70 3.0 -51.2 114 21 347.9 347.9 296.3 348.4 0.12 26 200 12460 -53.1 -56.6 66 3.5 -53.2 120 21 348.7 348.7 296.4 349.1 0.09 27 150 14250 -69.1 -74.1 48 5.0 -69.1 80 33 351.1 351.1 296.8 351.1 0.01 28 136 14827 -74.5 -79.5 46 5.0 -74.5 91 40 351.5 351.5 297.0 351.5 0.01 29 125 15313 -77.7 -82.3 47 4.6 -77.7 100 46 354.3 354.3 297.5 354.3 0.00 30 121 15501 -74.9 -80.9 39 6.0 -74.9 98 44 362.7 362.7 299.2 362.7 0.00 31 100 16600 -77.3 -84.3 32 7.0 -77.3 85 33 378.4 378.4 302.0 378.4 0.00 TRP 125 15313 -77.7 -82.3 47 4.6 -77.7 100 46 354.3 354.3 297.5 354.3 0.00 WND Sounding variables and indices 1000-500 mb thick: 5783.00 m Freezing level: 563.00 mb = 4980.29 m = 16339.34 ft Wetbulb zero: 571.00 mb = 4800.54 m = 15749.61 ft Precipitable water: 2.55 inches Sfc-500 mean rel hum: 94.19 % Est. max temperature: 31.80 C = 89.24 F Sfc-Lift cond lev (LCL): 993.02 mb = 148.55 m = 487.38 ft T: 24.84 C 700-500 lapse rate: 5.10 C/km ThetaE index: 12.35 C Layer 1000.0- 714.0 mb Conv cond level (CCL): 939.36 mb = 636.69 m = 2088.85 ft Mean mixing ratio: 17.96 g/kg Conv temperature: 28.18 C = 82.72 F Cap Strength: 0.32 C Lifted Index: -2.41 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.85 C Lifted Index @700 mb: -1.87 C Showalter Index: -0.24 C Risk: Thunderstorms probable Total Totals Index: 43.10 C Risk: None Vertical Totals Index: 22.10 C Cross Totals Index: 21.00 C K Index: 36.50 Risk: > 80 % chance of thunderstorms Sweat Index: 223.00 Risk: None Energy Index: -0.73 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1092.39 J/kg Max Up Vert Vel: 46.74 m/s Conv Inhibition (B-): 0.89 J/kg Cap Strength: 0.32 C Lift Cond Lev (LCL): 948.93 mb = 547.62 m = 1796.62 ft Lev Free Conv (LFC): 923.93 mb = 782.04 m = 2565.72 ft Equ Level (EL): 123.93 mb = 15363.14 m = 50403.40 ft B at Equ Level: 1014.01 J/kg Wind level data Storm motion: 215 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 1010 19 245 1 0.9 0.4 | 30 5 -2.6 -4.5 1 1000 87 245 1 0.9 0.4 | 30 5 -2.6 -4.5 2 925 772 110 5 -4.7 1.7 | 68 9 -8.2 -3.2 3 850 1503 30 5 -2.5 -4.3 | 33 11 -6.0 -9.3 4 700 3143 140 7 -4.5 5.4 | 93 8 -8.0 0.4 5 500 5870 230 15 11.5 9.6 | 240 9 8.0 4.7 6 400 7600 230 3 2.3 1.9 | 21 3 -1.2 -3.0 7 300 9710 60 13 -11.3 -6.5 | 52 19 -14.7 -11.4 8 250 10980 85 19 -18.9 -1.7 | 74 23 -22.4 -6.6 9 200 12460 120 21 -18.2 10.5 | 104 22 -21.6 5.6 10 150 14250 80 33 -32.5 -5.7 | 73 38 -36.0 -10.7 11 125 15313 100 46 -45.3 8.0 | 94 49 -48.8 3.1 12 100 16600 85 33 -32.9 -2.9 | 78 37 -36.3 -7.8 Wind Parameters Mean winds (0-6000m): 185.1 at 8.0 knts Storm direction: 215.1 at 6.0 knts Shear (0-3000m) pos: 1.6 neg: 1.0 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): 57.9 deg Storm rel helicity (0-3000m) pos: 31.5 neg: -18.7 tot: 12.8 m^2/s^2 ave: 4.3 10^-3 m/s^2 rel: 0.24 Storm rel vorticity (0-3000m) horiz: 4.4 stream: 1.1 10^-3/s Energy-Hel index: 0.09 Bulk Rich Number: 230.17 Bulk Shear: 4.75 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 2 50 4| 0.0 3.7 3.7| 3.3 0.0 3.3 6.5 0.71| 4.4 3.1 1000 111 3 60 8| 0.0 3.1 3.1| 3.7 -6.3 -2.6 -2.6 0.06| 5.4 0.3 1500 86 4 55 9| 0.0 2.0 2.0| 3.7 -18.7 -15.1 -10.0 -0.25| 5.2 -1.3 2000 72 4 50 10| 0.8 1.5 2.3| 13.1 -18.7 -5.7 -2.8 -0.03| 4.7 -0.2 2500 77 5 53 10| 1.3 1.2 2.5| 22.9 -18.7 4.2 1.7 0.13| 4.5 0.6 3000 90 5 59 10| 1.6 1.0 2.6| 31.5 -18.7 12.8 4.3 0.24| 4.4 1.1 4000 119 6 75 9| 1.8 0.8 2.5| 42.8 -18.7 24.0 6.0 0.37| 4.1 1.5 5000 150 7 98 7| 1.8 0.6 2.4| 55.0 -18.7 36.2 7.2 0.49| 4.0 1.9 6000 185 8 138 4| 1.6 0.5 2.1| 69.3 -18.7 50.5 8.4 0.55| 4.0 2.2 Wrote GIF file: /home/apache/climate/data/raob//VVTS/skewt/VVTS.skewt.20251011.00.gif