UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120800.upa.cvt Date: 0000Z 8 DEC 25 Searching for VO311... Searching the city database file for: VO311 ... Date:0000Z 8 DEC 25 Station: VO311 WMO ident: 43311 Latitude: 11.12 Longitude: 72.73 ------------------------------------------------------------------------------- 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 1011 1 25.6 24.7 95 0.9 25.0 270 2 297.8 301.4 297.7 355.2 19.73 1 1008 27 26.8 19.8 66 7.0 21.9 289 3 299.3 301.9 294.7 341.8 14.57 2 1000 97 27.0 19.0 62 8.0 21.4 340 4 300.1 302.7 294.6 341.0 13.96 3 925 781 22.8 11.8 50 11.0 15.8 155 3 302.6 304.4 291.9 330.7 9.44 4 850 1512 18.6 8.6 52 10.0 12.4 100 5 305.6 307.2 291.9 330.6 8.27 5 731 2786 11.2 -0.8 43 12.0 4.9 80 13 311.0 311.9 290.7 326.5 4.94 6 700 3147 9.8 -2.2 43 12.0 3.6 75 9 313.3 314.2 291.2 328.0 4.65 7 598 4432 2.6 -9.4 41 12.0 -2.7 46 5 319.4 320.0 291.6 329.7 3.13 8 500 5850 -6.3 -17.3 41 11.0 -10.2 55 4 325.4 325.7 292.3 332.1 1.97 9 466 6398 -9.1 -22.1 34 13.0 -13.2 16 5 328.5 328.8 292.6 333.4 1.40 10 443 6788 -11.1 -25.1 30 14.0 -15.1 337 7 330.8 331.0 293.0 334.8 1.12 11 433 6963 -11.3 -26.3 28 15.0 -15.4 320 8 332.7 332.9 293.4 336.4 1.03 12 425 7106 -11.3 -26.3 28 15.0 -15.5 306 9 334.5 334.7 293.9 338.3 1.05 13 417 7252 -11.3 -26.3 28 15.0 -15.6 292 9 336.3 336.5 294.4 340.2 1.07 14 411 7363 -11.3 -26.3 28 15.0 -15.6 281 10 337.7 337.9 294.7 341.7 1.09 15 405 7476 -11.3 -26.3 28 15.0 -15.7 269 11 339.1 339.3 295.1 343.2 1.10 16 357 8425 -21.9 -31.9 40 10.0 -23.9 229 14 337.3 337.5 294.3 340.1 0.74 17 338 8824 -25.5 -32.5 52 7.0 -26.8 208 15 337.7 337.9 294.4 340.5 0.74 18 304 9586 -30.5 -39.5 41 9.0 -31.7 202 18 341.1 341.2 295.0 342.7 0.41 19 300 9680 -30.9 -40.9 37 10.0 -32.2 205 18 341.8 341.9 295.1 343.2 0.36 20 262 10622 -39.1 -55.1 17 16.0 -40.1 243 21 343.3 343.3 295.2 343.6 0.08 21 250 10940 -42.3 -57.3 18 15.0 -43.0 245 24 343.2 343.2 295.1 343.5 0.07 22 211 12065 -51.7 -81.7 2 30.0 -52.1 232 13 345.6 345.6 295.6 345.6 0.00 23 200 12410 -54.7 -86.7 1 32.0 -55.0 240 15 346.1 346.1 295.8 346.1 0.00 24 159 13838 -65.3 -94.3 1 29.0 -65.4 244 21 351.7 351.7 297.0 351.7 0.00 25 150 14190 -68.1 -96.1 1 28.0 -68.2 255 26 352.8 352.8 297.3 352.8 0.00 26 105 16274 -80.1 -104.1 1 24.0 -80.1 222 30 367.8 367.8 300.2 367.8 0.00 27 100 16550 -81.3 -105.3 1 24.0 -81.3 210 30 370.6 370.6 300.7 370.6 0.00 28 77 17996 -87.3 -109.3 1 22.0 -87.3 386.9 386.9 303.3 386.9 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5753.00 m Freezing level: 569.37 mb = 4845.96 m = 15898.61 ft Wetbulb zero: 642.07 mb = 3851.59 m = 12636.31 ft Precipitable water: 1.39 inches Sfc-500 mean rel hum: 46.03 % Est. max temperature: 32.98 C = 91.37 F Sfc-Lift cond lev (LCL): 998.34 mb = 111.61 m = 366.18 ft T: 26.91 C 700-500 lapse rate: 5.96 C/km ThetaE index: 28.74 C Layer 1008.0- 700.0 mb Conv cond level (CCL): 736.35 mb = 2724.90 m = 8939.84 ft Mean mixing ratio: 11.70 g/kg Conv temperature: 38.57 C = 101.43 F Cap Strength: 4.43 C Lifted Index: 2.23 C Risk: None Lifted Index @300 mb: 5.67 C Lifted Index @700 mb: 3.45 C Showalter Index: 4.64 C Risk: None Total Totals Index: 39.80 C Risk: None Vertical Totals Index: 24.90 C Cross Totals Index: 14.90 C K Index: 21.50 Risk: 20-40 % chance of thunderstorms Sweat Index: 117.20 Risk: None Energy Index: 0.36 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.86 J/kg Max Up Vert Vel: 3.71 m/s Conv Inhibition (B-): 5561.66 J/kg Cap Strength: 4.43 C Lift Cond Lev (LCL): 839.96 mb = 1612.39 m = 5289.92 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 100 at 5 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 1011 1 270 2 2.0 -0.0 | 277 7 6.6 -0.8 1 1000 97 340 4 1.4 -3.8 | 307 8 6.0 -4.6 2 977 305 315 4 2.8 -2.8 | 296 8 7.5 -3.6 3 943 610 120 1 -0.9 0.5 | 275 4 3.8 -0.3 4 925 781 155 3 -1.3 2.7 | 240 4 3.4 1.9 5 911 914 160 3 -1.0 2.8 | 241 4 3.6 2.0 6 879 1219 175 3 -0.3 3.0 | 243 5 4.4 2.2 7 850 1512 100 5 -4.9 0.9 | 104 0 -0.3 0.1 8 819 1829 80 9 -8.9 -1.6 | 61 5 -4.2 -2.4 9 790 2134 75 13 -12.6 -3.4 | 62 9 -7.9 -4.2 10 761 2438 75 14 -13.5 -3.6 | 64 10 -8.9 -4.4 11 734 2743 80 13 -12.8 -2.3 | 70 9 -8.2 -3.1 12 708 3048 80 10 -9.8 -1.7 | 64 6 -5.2 -2.5 13 700 3147 75 9 -8.7 -2.3 | 52 5 -4.1 -3.1 14 657 3658 85 4 -4.0 -0.3 | 331 1 0.6 -1.1 15 632 3962 90 4 -4.0 0.0 | 322 1 0.6 -0.8 16 609 4267 60 4 -3.5 -2.0 | 337 3 1.2 -2.8 17 586 4572 30 6 -3.0 -5.2 | 345 6 1.6 -6.0 18 564 4877 30 8 -4.0 -6.9 | 355 8 0.6 -7.7 19 523 5486 50 3 -2.3 -1.9 | 319 4 2.3 -2.7 20 500 5850 55 4 -3.3 -2.3 | 336 3 1.4 -3.1 21 484 6096 45 4 -2.8 -2.8 | 334 4 1.8 -3.6 22 400 7570 260 11 10.8 1.9 | 266 16 15.5 1.1 23 397 7620 270 11 11.0 -0.0 | 273 16 15.6 -0.8 24 323 9144 190 16 2.8 15.8 | 206 17 7.4 15.0 25 300 9680 205 18 7.6 16.3 | 218 20 12.2 15.5 26 260 10668 245 21 19.0 8.9 | 251 25 23.7 8.1 27 250 10940 245 24 21.8 10.1 | 250 28 26.4 9.3 28 207 12192 230 12 9.2 7.7 | 243 15 13.8 6.9 29 200 12410 240 15 13.0 7.5 | 249 19 17.6 6.7 30 162 13716 240 19 16.5 9.5 | 248 23 21.1 8.7 31 150 14190 255 26 25.1 6.7 | 259 30 29.7 5.9 32 125 15240 265 31 30.9 2.7 | 267 36 35.5 1.9 33 100 16550 210 30 15.0 26.0 | 218 32 19.6 25.2 Wind Parameters Mean winds (0-6000m): 69.8 at 6.3 knts Storm direction: 99.8 at 4.7 knts Shear (0-3000m) pos: 0.8 neg: 2.4 tot: 3.2 10-3/s Storm rel Dir Shear (0-3000m): 148.4 deg Storm rel helicity (0-3000m) pos: 13.1 neg: -10.9 tot: 2.1 m^2/s^2 ave: 0.7 10^-3 m/s^2 rel: -0.13 Storm rel vorticity (0-3000m) horiz: 6.1 stream: -0.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.90 Bulk Shear: 7.65 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 ------------------------------------------------------------------------------- 500 331 3 301 7| 4.1 0.0 4.1| 10.1 -4.0 6.1 12.3 0.30| 11.6 3.5 1000 304 3 289 7| 2.1 0.0 2.1| 10.2 -7.5 2.7 2.7 -0.02| 8.1 -0.2 1500 158 3 239 4| 1.4 1.5 2.9| 10.4 -9.3 1.1 0.7 -0.16| 7.5 -1.2 2000 95 4 323 0| 1.0 3.0 4.0| 10.5 -10.1 0.4 0.2 -0.18| 7.5 -1.4 2500 83 6 44 2| 0.8 2.9 3.7| 11.5 -10.1 1.4 0.5 -0.15| 6.6 -1.0 3000 82 7 54 3| 0.8 2.4 3.2| 13.1 -10.9 2.1 0.7 -0.13| 6.1 -0.8 4000 81 7 50 3| 1.1 1.8 2.9| 13.1 -14.1 -1.0 -0.3 -0.20| 5.5 -1.1 5000 74 7 34 3| 0.9 1.8 2.7| 15.7 -14.5 1.3 0.3 -0.14| 5.2 -0.7 6000 70 6 23 3| 1.1 1.6 2.6| 16.6 -17.6 -1.0 -0.2 -0.15| 4.8 -0.7 Wrote GIF file: /home/apache/climate/data/raob//VO311/skewt/VO311.skewt.20251208.00.gif