UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120912.upa.cvt Date: 1200Z 9 DEC 25 Searching for VO371... Searching the city database file for: VO371 ... Date:1200Z 9 DEC 25 Station: VO371 WMO ident: 43371 Latitude: 8.48 Longitude: 76.95 ------------------------------------------------------------------------------- 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 1001 74 29.2 22.2 66 7.0 24.1 0 0 302.3 305.4 297.2 352.7 17.07 1 1000 83 28.0 20.0 62 8.0 22.3 275 2 301.1 303.9 295.5 344.9 14.88 2 971 344 25.8 19.8 70 6.0 21.6 263 4 301.5 304.3 295.7 346.0 15.14 3 925 770 23.6 18.6 74 5.0 20.1 35 7 303.4 306.2 296.0 347.2 14.74 4 850 1506 18.4 13.7 74 4.7 15.3 65 11 305.4 307.6 294.4 340.4 11.67 5 816 1855 16.4 12.0 75 4.4 13.6 57 10 306.9 308.9 294.2 339.6 10.86 6 785 2185 16.0 8.0 59 8.0 11.0 52 10 309.9 311.5 293.4 336.3 8.61 7 700 3149 9.4 -0.6 50 10.0 4.1 75 6 312.9 313.9 291.5 329.4 5.23 8 671 3499 7.4 -6.6 36 14.0 0.8 95 9 314.5 315.1 290.5 325.6 3.47 9 625 4082 5.2 -6.8 42 12.0 -0.5 57 13 318.4 319.1 291.8 330.4 3.67 10 569 4842 0.0 -9.0 51 9.0 -4.0 32 9 321.0 321.6 292.3 332.2 3.40 11 556 5027 -0.3 -18.3 24 18.0 -6.8 21 7 322.7 323.0 291.2 328.3 1.63 12 544 5201 -1.5 -11.5 46 10.0 -5.7 11 4 323.3 323.9 292.6 333.1 2.92 13 509 5729 -4.1 -18.1 33 14.0 -9.1 74 4 326.4 326.7 292.4 332.6 1.81 14 503 5823 -4.3 -27.3 15 23.0 -10.9 85 6 327.2 327.4 291.7 330.2 0.81 15 500 5870 -4.5 -27.5 15 23.0 -11.0 85 8 327.6 327.7 291.8 330.4 0.80 16 472 6322 -6.5 -24.5 22 18.0 -12.0 56 5 330.5 330.7 292.9 334.5 1.11 17 464 6455 -7.7 -18.7 41 11.0 -11.6 41 5 330.6 331.0 293.6 337.2 1.88 18 432 7006 -11.9 -20.9 47 9.0 -14.8 340 5 332.1 332.5 293.9 338.1 1.67 19 400 7590 -15.7 -29.7 29 14.0 -19.1 290 2 334.6 334.7 293.7 337.6 0.81 20 384 7897 -17.5 -35.5 19 18.0 -21.1 230 4 336.1 336.2 293.8 338.0 0.48 21 343 8733 -23.9 -40.9 19 17.0 -26.4 170 9 338.5 338.6 294.3 339.7 0.31 22 327 9081 -25.9 -40.9 23 15.0 -28.0 160 15 340.4 340.5 294.7 341.7 0.33 23 314 9374 -28.3 -34.3 56 6.0 -29.3 152 21 341.0 341.2 295.2 343.6 0.67 24 308 9512 -29.3 -38.3 41 9.0 -30.6 155 22 341.5 341.6 295.1 343.3 0.45 25 301 9676 -30.7 -35.7 61 5.0 -31.5 168 20 341.8 341.9 295.3 344.1 0.61 26 300 9700 -30.7 -35.0 66 4.3 -31.4 170 20 342.1 342.2 295.4 344.6 0.65 27 278 10237 -34.7 -37.8 73 3.1 -35.1 169 26 343.9 344.0 295.7 345.9 0.53 28 260 10701 -38.5 -45.5 48 7.0 -39.1 179 29 344.9 345.0 295.7 346.0 0.25 29 250 10970 -40.9 -47.9 47 7.0 -41.4 185 31 345.3 345.3 295.7 346.1 0.20 30 225 11674 -47.1 -53.1 50 6.0 -47.4 180 25 346.3 346.3 295.9 346.8 0.12 31 219 11852 -48.5 -57.5 34 9.0 -48.8 182 25 346.8 346.9 296.0 347.2 0.07 32 200 12440 -53.7 -63.7 28 10.0 -53.9 185 25 347.7 347.7 296.1 347.9 0.04 33 162 13763 -64.7 -72.7 32 8.0 -64.8 164 24 350.8 350.8 296.8 350.9 0.01 34 150 14230 -67.7 -76.7 27 9.0 -67.8 150 23 353.5 353.5 297.4 353.5 0.01 35 141 14600 -69.5 -81.5 16 12.0 -69.5 154 19 356.6 356.6 298.0 356.6 0.00 36 124 15354 -75.7 -85.7 19 10.0 -75.7 220 14 358.7 358.7 298.4 358.7 0.00 37 100 16580 -81.1 -91.1 17 10.0 -81.1 285 11 371.0 371.0 300.8 371.0 0.00 38 81 17753 -87.3 -94.3 26 7.0 -87.3 65 10 381.4 381.4 302.5 381.4 0.00 39 70 18570 -78.9 -87.9 22 9.0 -78.9 105 11 415.6 415.6 307.2 415.6 0.00 40 50 20510 -70.1 -88.1 5 18.0 -70.2 80 25 478.3 478.3 313.3 478.3 0.00 41 30 23620 -61.3 -90.3 1 29.0 -62.1 90 45 577.5 577.5 319.5 577.5 0.00 42 20 26180 -55.5 -85.5 1 30.0 -57.6 80 39 666.3 666.3 323.3 666.4 0.01 43 10 30750 -40.3 -78.3 1 38.0 -50.4 75 10 869.1 869.2 328.8 870.0 0.09 TRP 81 17753 -87.3 -94.3 26 7.0 -87.3 65 10 381.4 381.4 302.5 381.4 0.00 WND Sounding variables and indices 1000-500 mb thick: 5787.00 m Freezing level: 569.00 mb = 4841.78 m = 15884.92 ft Wetbulb zero: 642.33 mb = 3857.33 m = 12655.13 ft Precipitable water: 1.68 inches Sfc-500 mean rel hum: 53.48 % Est. max temperature: 32.33 C = 90.20 F Sfc-Lift cond lev (LCL): 904.66 mb = 963.55 m = 3161.21 ft T: 22.23 C 700-500 lapse rate: 5.11 C/km ThetaE index: 21.54 C Layer 850.0- 625.0 mb Conv cond level (CCL): 823.04 mb = 1781.71 m = 5845.43 ft Mean mixing ratio: 14.79 g/kg Conv temperature: 33.52 C = 92.33 F Cap Strength: 2.26 C Lifted Index: -0.18 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.25 C Lifted Index @700 mb: -0.11 C Showalter Index: 2.13 C Risk: Showers probable Total Totals Index: 41.10 C Risk: None Vertical Totals Index: 22.90 C Cross Totals Index: 18.20 C K Index: 26.60 Risk: 40-60 % chance of thunderstorms Sweat Index: 194.40 Risk: None Energy Index: -1.84 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 140.29 J/kg Max Up Vert Vel: 16.75 m/s Conv Inhibition (B-): 108.26 J/kg Cap Strength: 2.26 C Lift Cond Lev (LCL): 872.96 mb = 1273.99 m = 4179.71 ft Lev Free Conv (LFC): 697.96 mb = 3173.12 m = 10410.36 ft Equ Level (EL): 627.96 mb = 4042.93 m = 13264.05 ft B at Equ Level: 17.63 J/kg Max Parcel Lev (MPL): 177.96 mb = 13172.88 m = 43217.59 ft Wind level data Storm motion: 89 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 1001 74 0 0 -0.0 -0.0 | 269 6 5.9 0.1 1 1000 83 275 2 2.0 -0.2 | 270 8 7.9 -0.0 2 975 305 245 4 3.6 1.7 | 259 10 9.5 1.8 3 942 610 30 3 -1.5 -2.6 | 299 5 4.4 -2.5 4 925 770 35 7 -4.0 -5.7 | 341 6 1.9 -5.6 5 910 914 55 10 -8.2 -5.7 | 22 6 -2.3 -5.6 6 850 1506 65 11 -10.0 -4.6 | 42 6 -4.1 -4.5 7 848 1524 65 11 -10.0 -4.6 | 42 6 -4.1 -4.5 8 789 2134 50 10 -7.7 -6.4 | 16 7 -1.8 -6.3 9 761 2438 65 8 -7.3 -3.4 | 23 4 -1.4 -3.2 10 734 2743 55 5 -4.1 -2.9 | 327 3 1.8 -2.7 11 700 3149 75 6 -5.8 -1.6 | 356 1 0.1 -1.4 12 683 3353 95 8 -8.0 0.7 | 112 2 -2.1 0.8 13 657 3658 95 10 -10.0 0.9 | 104 4 -4.1 1.0 14 633 3962 60 13 -11.3 -6.5 | 40 8 -5.4 -6.4 15 565 4877 30 9 -4.5 -7.8 | 350 8 1.4 -7.7 16 544 5182 10 4 -0.7 -3.9 | 306 6 5.2 -3.8 17 524 5486 35 2 -1.1 -1.6 | 287 5 4.7 -1.5 18 505 5791 85 4 -4.0 -0.3 | 276 2 1.9 -0.2 19 500 5870 85 8 -8.0 -0.7 | 75 2 -2.1 -0.6 20 467 6401 50 5 -3.8 -3.2 | 326 4 2.1 -3.1 21 449 6706 350 5 0.9 -4.9 | 305 8 6.8 -4.8 22 431 7010 340 5 1.7 -4.7 | 301 9 7.6 -4.6 23 415 7315 15 7 -1.8 -6.8 | 328 8 4.1 -6.6 24 400 7590 290 2 1.9 -0.7 | 274 8 7.8 -0.5 25 398 7620 340 3 1.0 -2.8 | 291 7 6.9 -2.7 26 382 7925 215 4 2.3 3.3 | 247 9 8.2 3.4 27 367 8230 215 4 2.3 3.3 | 247 9 8.2 3.4 28 352 8534 175 6 -0.5 6.0 | 221 8 5.4 6.1 29 310 9449 150 22 -11.0 19.1 | 165 20 -5.1 19.2 30 300 9700 170 20 -3.5 19.7 | 187 20 2.4 19.8 31 285 10058 165 25 -6.5 24.1 | 179 24 -0.6 24.3 32 250 10970 185 31 2.7 30.9 | 195 32 8.6 31.0 33 250 10973 180 29 0.0 29.0 | 191 30 5.9 29.1 34 239 11278 175 32 -2.8 31.9 | 186 32 3.1 32.0 35 228 11582 180 25 0.0 25.0 | 193 26 5.9 25.1 36 200 12440 185 25 2.2 24.9 | 198 26 8.1 25.0 37 180 13106 175 27 -2.4 26.9 | 187 27 3.5 27.0 38 163 13716 165 24 -6.2 23.2 | 179 23 -0.3 23.3 39 150 14230 150 23 -11.5 19.9 | 164 21 -5.6 20.1 40 140 14630 155 19 -8.0 17.2 | 173 17 -2.1 17.4 41 120 15545 240 13 11.3 6.5 | 249 18 17.2 6.6 42 108 16154 255 7 6.8 1.8 | 261 13 12.7 2.0 43 102 16459 225 2 1.4 1.4 | 258 7 7.3 1.6 44 100 16580 285 11 10.6 -2.8 | 279 17 16.5 -2.7 45 97 16764 300 13 11.3 -6.5 | 290 18 17.2 -6.4 46 81 17753 65 10 -9.1 -4.2 | 38 5 -3.2 -4.1 47 70 18570 105 11 -10.6 2.8 | 122 6 -4.7 3.0 48 50 20510 80 25 -24.6 -4.3 | 77 19 -18.7 -4.2 49 30 23620 90 45 -45.0 0.0 | 90 39 -39.1 0.1 50 20 26180 80 39 -38.4 -6.8 | 78 33 -32.5 -6.6 51 10 30750 75 10 -9.7 -2.6 | 57 4 -3.8 -2.4 Wind Parameters Mean winds (0-6000m): 58.6 at 7.9 knts Storm direction: 88.6 at 5.9 knts Shear (0-3000m) pos: 1.3 neg: 0.4 tot: 1.7 10-3/s Storm rel Dir Shear (0-3000m): 78.8 deg Storm rel helicity (0-3000m) pos: 29.5 neg: -9.5 tot: 20.0 m^2/s^2 ave: 6.7 10^-3 m/s^2 rel: 0.32 Storm rel vorticity (0-3000m) horiz: 5.5 stream: 1.8 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 9.15 Bulk Shear: 15.34 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 ------------------------------------------------------------------------------- 500 271 3 269 9| 3.2 0.0 3.2| 13.1 -2.6 10.5 21.0 0.40| 11.8 4.7 1000 36 5 327 5| 5.3 0.0 5.3| 26.1 -2.6 23.5 23.5 0.65| 10.6 6.9 1500 53 7 358 4| 3.7 0.0 3.7| 28.4 -2.8 25.6 17.0 0.66| 7.6 5.1 2000 55 8 9 5| 2.8 0.6 3.4| 28.4 -6.7 21.6 10.8 0.50| 6.3 3.2 2500 56 8 11 5| 1.6 0.5 2.1| 29.0 -8.1 20.8 8.3 0.39| 5.9 2.3 3000 56 8 7 4| 1.3 0.4 1.7| 29.5 -9.5 20.0 6.7 0.32| 5.5 1.8 4000 64 8 23 4| 1.5 1.2 2.7| 30.5 -21.6 8.9 2.2 0.13| 6.0 0.8 5000 59 9 18 5| 1.2 1.3 2.5| 30.5 -41.0 -10.4 -2.1 -0.07| 5.8 -0.4 6000 59 8 12 4| 1.5 1.1 2.5| 31.4 -47.9 -16.6 -2.8 -0.05| 6.1 -0.3 Wrote GIF file: /home/apache/climate/data/raob//VO371/skewt/VO371.skewt.20251209.12.gif