UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102000.upa.cvt Date: 0000Z 20 OCT 25 Searching for U6781... Searching the city database file for: U6781 ... Date:0000Z 20 OCT 25 Station: U6781 WMO ident: 26781 Latitude: 54.75 Longitude: 32.07 ------------------------------------------------------------------------------- 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 145 SFC 988 244 5.6 4.7 94 0.9 5.2 70 3 279.7 280.6 278.9 294.6 5.42 2 925 780 2.6 1.7 94 0.9 2.2 105 9 282.0 282.8 279.1 295.0 4.67 3 850 1461 -1.7 -3.2 89 1.5 -2.3 115 9 284.4 285.0 278.9 294.5 3.55 4 782 2118 -4.7 -8.3 76 3.6 -6.0 119 11 288.0 288.5 279.4 295.7 2.61 5 706 2911 -10.9 -12.7 87 1.8 -11.5 125 13 289.7 290.1 279.4 295.8 2.04 6 700 2976 -10.7 -12.4 87 1.7 -11.2 125 13 290.6 291.0 280.0 296.9 2.11 7 669 3324 -11.7 -14.2 82 2.5 -12.5 123 13 293.3 293.6 280.9 299.1 1.90 8 510 5347 -26.1 -30.3 68 4.2 -26.7 111 15 299.5 299.6 282.0 301.5 0.60 9 500 5490 -27.5 -31.7 67 4.2 -28.0 110 15 299.5 299.6 281.9 301.3 0.54 10 400 7050 -41.3 -45.4 64 4.1 -41.5 110 15 301.3 301.3 282.1 301.9 0.17 11 384 7326 -43.7 -47.9 63 4.2 -43.9 103 17 301.7 301.7 282.3 302.2 0.13 12 342 8097 -47.5 -51.7 62 4.2 -47.6 83 24 306.7 306.7 284.2 307.0 0.09 13 300 8950 -54.1 -58.4 59 4.3 -54.2 60 31 309.1 309.1 285.1 309.3 0.05 14 292 9123 -55.9 -59.9 61 4.0 -56.0 60 32 308.9 308.9 284.9 309.1 0.04 15 272 9573 -57.7 -62.0 58 4.3 -57.8 60 33 312.7 312.7 286.3 312.8 0.03 16 270 9620 -57.7 -62.0 58 4.3 -57.8 60 32 313.3 313.3 286.5 313.4 0.03 17 250 10110 -54.7 -59.0 59 4.3 -54.8 60 23 324.7 324.8 290.3 325.0 0.05 18 234 10536 -53.3 -57.8 58 4.5 -53.4 48 21 333.1 333.1 292.6 333.3 0.07 19 200 11550 -52.9 -57.9 55 5.0 -53.1 20 17 349.0 349.0 296.5 349.3 0.08 20 186 12018 -52.1 -58.1 48 6.0 -52.3 14 15 357.6 357.6 298.3 358.0 0.08 21 150 13400 -54.7 -61.7 42 7.0 -54.9 355 9 375.8 375.8 301.6 376.1 0.06 22 100 15960 -60.1 -70.1 26 10.0 -60.3 315 11 411.6 411.6 306.7 411.8 0.03 23 71 18101 -59.7 -69.7 26 10.0 -60.0 277 15 454.8 454.8 311.3 455.1 0.04 24 70 18190 -60.3 -71.3 22 11.0 -60.6 275 15 455.4 455.4 311.4 455.6 0.04 25 62 18939 -62.9 -73.9 21 11.0 -63.1 279 16 465.7 465.7 312.3 465.9 0.03 26 50 20270 -59.7 -71.7 20 12.0 -60.2 285 17 502.8 502.8 315.2 503.1 0.05 27 49 20397 -59.5 -71.5 20 12.0 -60.0 284 17 506.2 506.2 315.4 506.5 0.05 28 30 23440 -63.7 -75.7 18 12.0 -64.2 270 23 571.0 571.0 319.2 571.3 0.04 29 20 25950 -59.5 -73.5 15 14.0 -60.7 265 25 654.0 654.1 322.9 654.8 0.09 30 12 29120 -62.3 -76.3 14 14.0 -63.7 269 43 747.0 747.1 325.8 747.9 0.10 31 10 30260 -56.7 -71.7 13 15.0 -59.5 270 50 807.9 808.0 327.5 810.3 0.24 32 7.0 32554 -50.5 -66.4 14 15.9 -56.0 260 68 920.2 920.6 329.9 928.6 0.73 33 6.6 32938 -49.5 -65.5 14 16.0 -55.5 940.1 940.6 330.4 950.3 0.87 TRP 272 9573 -57.7 -62.0 58 4.3 -57.8 60 33 312.7 312.7 286.3 312.8 0.03 WND 7.0 32554 -50.5 -66.4 14 15.9 -56.0 260 68 920.2 920.6 329.9 928.6 0.73 Sounding variables and indices 1000-500 mb thick: 5345.00 m Freezing level: 879.65 mb = 1191.77 m = 3909.95 ft Wetbulb zero: 888.63 mb = 1103.03 m = 3618.83 ft Precipitable water: 0.54 inches Sfc-500 mean rel hum: 81.19 % Est. max temperature: 10.85 C = 51.54 F Sfc-Lift cond lev (LCL): 974.48 mb = 355.93 m = 1167.74 ft T: 4.97 C 700-500 lapse rate: 6.68 C/km ThetaE index: 0.53 C Layer 850.0- 782.0 mb Conv cond level (CCL): 910.94 mb = 903.38 m = 2963.81 ft Mean mixing ratio: 4.79 g/kg Conv temperature: 8.29 C = 46.91 F Cap Strength: 5.35 C Lifted Index: 5.18 C Risk: None Lifted Index @300 mb: 10.22 C Lifted Index @700 mb: 1.82 C Showalter Index: 5.41 C Risk: None Total Totals Index: 50.10 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 25.80 C Cross Totals Index: 24.30 C K Index: 20.90 Risk: 20-40 % chance of thunderstorms Sweat Index: 55.00 Risk: None Energy Index: 1.40 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.43 J/kg Max Up Vert Vel: 4.99 m/s Conv Inhibition (B-): 57558.71 J/kg Cap Strength: 5.30 C Lift Cond Lev (LCL): 923.52 mb = 792.89 m = 2601.31 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 145 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 ---------------------------------------------------------- 0 988 244 70 3 -2.8 -1.0 | 344 9 2.4 -8.5 1 925 780 105 9 -8.7 2.3 | 34 6 -3.5 -5.2 2 850 1461 115 9 -8.2 3.8 | 39 5 -3.0 -3.7 3 700 2976 125 13 -10.6 7.5 | 89 5 -5.5 -0.1 4 500 5490 110 15 -14.1 5.1 | 75 9 -8.9 -2.4 5 400 7050 110 15 -14.1 5.1 | 75 9 -8.9 -2.4 6 300 8950 60 31 -26.8 -15.5 | 43 32 -21.7 -23.0 7 272 9573 60 33 -28.6 -16.5 | 44 34 -23.4 -24.0 8 250 10110 60 23 -19.9 -11.5 | 38 24 -14.7 -19.0 9 200 11550 20 17 -5.8 -16.0 | 2 23 -0.6 -23.5 10 150 13400 355 9 0.8 -9.0 | 340 18 6.0 -16.5 11 100 15960 315 11 7.8 -7.8 | 320 20 13.0 -15.3 12 70 18190 275 15 14.9 -1.3 | 294 22 20.1 -8.8 13 50 20270 285 17 16.4 -4.4 | 299 25 21.6 -11.9 14 30 23440 270 23 23.0 -0.0 | 285 29 28.2 -7.5 15 20 25950 265 25 24.9 2.2 | 280 31 30.1 -5.3 16 10 30260 270 50 50.0 -0.0 | 278 56 55.2 -7.5 Wind Parameters Mean winds (0-6000m): 115.4 at 12.2 knts Storm direction: 145.4 at 9.1 knts Shear (0-3000m) pos: 1.9 neg: 0.1 tot: 2.0 10-3/s Storm rel Dir Shear (0-3000m): 103.2 deg Storm rel helicity (0-3000m) pos: 19.5 neg: -0.2 tot: 19.3 m^2/s^2 ave: 6.4 10^-3 m/s^2 rel: 0.83 Storm rel vorticity (0-3000m) horiz: 2.3 stream: 1.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.92 Bulk Shear: 6.49 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 96 6 5 7| 6.5 0.0 6.5| 12.5 0.0 12.5 24.9 0.93| 6.7 6.3 1000 103 7 19 6| 3.6 0.0 3.6| 13.8 0.0 13.8 13.8 0.85| 4.2 3.5 1500 108 8 26 6| 2.7 0.0 2.7| 14.9 0.0 14.9 10.0 0.83| 3.2 2.7 2000 111 9 33 5| 2.4 0.0 2.4| 16.7 0.0 16.7 8.4 0.85| 2.8 2.4 2500 114 9 41 5| 2.2 0.0 2.2| 18.6 0.0 18.6 7.4 0.87| 2.5 2.2 3000 117 10 49 5| 1.9 0.1 2.0| 19.5 -0.2 19.3 6.4 0.83| 2.3 1.9 4000 118 11 60 5| 1.4 0.3 1.7| 19.5 -1.4 18.1 4.5 0.70| 1.9 1.3 5000 117 12 66 6| 1.1 0.4 1.5| 19.5 -3.0 16.4 3.3 0.58| 1.7 1.0 6000 115 12 68 6| 0.9 0.4 1.3| 19.5 -3.5 16.0 2.7 0.56| 1.5 0.8 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20251020.00.gif