UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100900.upa.cvt Date: 0000Z 9 OCT 25 Searching for U6781... Searching the city database file for: U6781 ... Date:0000Z 9 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 170 90 3 SFC 991 246 11.0 8.1 82 2.9 9.4 90 3 284.9 286.1 283.0 303.9 6.85 2 925 819 7.8 4.3 78 3.5 6.0 135 7 287.3 288.3 282.7 303.2 5.63 3 915 909 7.8 4.3 78 3.5 6.0 139 7 288.2 289.2 283.1 304.3 5.69 4 891 1127 5.4 2.2 80 3.2 3.8 151 7 287.9 288.8 282.3 302.2 5.03 5 855 1464 5.0 2.3 83 2.7 3.7 168 7 290.9 291.8 283.8 306.1 5.28 6 850 1512 4.0 0.8 80 3.2 2.5 170 7 290.3 291.2 283.0 304.1 4.77 7 705 3010 -4.7 -5.8 92 1.1 -5.1 151 7 296.7 297.3 284.2 307.2 3.52 8 700 3066 -4.5 -5.5 93 1.0 -4.9 150 7 297.5 298.2 284.7 308.4 3.62 9 692 3156 -4.9 -5.8 93 0.9 -5.3 150 7 298.0 298.7 284.9 308.8 3.58 10 674 3363 -4.7 -6.2 89 1.5 -5.3 150 7 300.5 301.2 285.8 311.4 3.57 11 519 5379 -14.7 -17.3 81 2.6 -15.5 150 11 311.8 312.1 288.1 318.0 1.90 12 500 5660 -16.7 -19.6 78 2.9 -17.5 150 11 312.7 313.0 288.1 318.0 1.62 13 410 7122 -26.7 -30.0 74 3.3 -27.3 181 16 318.0 318.2 289.0 320.7 0.77 14 400 7300 -27.5 -31.0 72 3.5 -28.1 185 17 319.2 319.4 289.3 321.8 0.72 15 320 8856 -40.9 -44.1 71 3.2 -41.1 189 15 321.7 321.8 289.6 322.6 0.24 16 300 9290 -44.7 -48.5 66 3.8 -44.9 190 15 322.4 322.4 289.6 323.0 0.16 17 250 10480 -54.9 -59.4 57 4.5 -55.0 210 9 324.4 324.5 290.2 324.6 0.05 18 231 10984 -59.3 -64.0 54 4.7 -59.4 170 5 325.2 325.2 290.3 325.3 0.03 19 200 11900 -55.9 -60.6 56 4.7 -56.0 215 15 344.2 344.3 295.4 344.5 0.05 20 175 12754 -53.5 -59.5 48 6.0 -53.7 208 10 361.6 361.6 299.1 361.9 0.07 21 150 13740 -55.7 -61.7 47 6.0 -55.9 200 5 374.1 374.1 301.3 374.4 0.06 22 100 16300 -58.1 -66.1 35 8.0 -58.3 235 11 415.5 415.5 307.2 415.7 0.05 23 70 18540 -60.5 -69.5 30 9.0 -60.8 280 15 455.0 455.0 311.3 455.2 0.05 24 50 20620 -63.5 -73.5 24 10.0 -63.8 260 15 493.8 493.9 314.5 494.1 0.04 25 37 22476 -61.5 -71.5 25 10.0 -62.0 310 15 543.4 543.4 317.8 543.8 0.07 26 32 23367 -65.5 -75.5 24 10.0 -65.8 334 15 555.7 555.7 318.4 556.0 0.04 27 30 23760 -64.5 -74.5 24 10.0 -64.9 345 15 568.8 568.8 319.1 569.2 0.05 28 20 26240 -63.5 -74.5 21 11.0 -64.2 280 17 641.8 641.8 322.4 642.4 0.08 29 14 28444 -60.9 -71.9 22 11.0 -62.1 719.5 719.6 325.1 721.0 0.17 TRP 231 10984 -59.3 -64.0 54 4.7 -59.4 170 5 325.2 325.2 290.3 325.3 0.03 WND Sounding variables and indices 1000-500 mb thick: 5490.00 m Freezing level: 783.33 mb = 2200.69 m = 7220.02 ft Wetbulb zero: 802.78 mb = 1969.76 m = 6462.38 ft Precipitable water: 0.86 inches Sfc-500 mean rel hum: 84.27 % Est. max temperature: 16.80 C = 62.24 F Sfc-Lift cond lev (LCL): 948.44 mb = 610.78 m = 2003.85 ft T: 8.96 C 700-500 lapse rate: 4.70 C/km ThetaE index: 2.11 C Layer 891.0- 855.0 mb Conv cond level (CCL): 847.17 mb = 1538.73 m = 5048.26 ft Mean mixing ratio: 5.96 g/kg Conv temperature: 16.55 C = 61.79 F Cap Strength: 9.60 C Lifted Index: 9.82 C Risk: None Lifted Index @300 mb: 13.46 C Lifted Index @700 mb: 2.98 C Showalter Index: 9.47 C Risk: None Total Totals Index: 38.20 C Risk: None Vertical Totals Index: 20.70 C Cross Totals Index: 17.50 C K Index: 20.50 Risk: 20-40 % chance of thunderstorms Sweat Index: 34.60 Risk: None Energy Index: 2.82 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.13 J/kg Max Up Vert Vel: 5.12 m/s Conv Inhibition (B-): 53737.99 J/kg Cap Strength: 9.76 C Lift Cond Lev (LCL): 894.86 mb = 1091.50 m = 3581.01 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 182 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 ---------------------------------------------------------- 0 991 246 90 3 -3.0 0.0 | 28 7 -3.2 -6.1 1 925 819 135 7 -4.9 4.9 | 77 5 -5.2 -1.2 2 850 1512 170 7 -1.2 6.9 | 118 2 -1.4 0.7 3 700 3066 150 7 -3.5 6.1 | 89 4 -3.7 -0.1 4 500 5660 150 11 -5.5 9.5 | 121 7 -5.7 3.4 5 400 7300 185 17 1.5 16.9 | 187 11 1.3 10.8 6 300 9290 190 15 2.6 14.8 | 196 9 2.4 8.6 7 250 10480 210 9 4.5 7.8 | 249 5 4.3 1.6 8 231 10984 170 5 -0.9 4.9 | 41 2 -1.1 -1.2 9 200 11900 215 15 8.6 12.3 | 234 10 8.4 6.1 10 150 13740 200 5 1.7 4.7 | 314 2 1.5 -1.4 11 100 16300 235 11 9.0 6.3 | 269 9 8.8 0.2 12 70 18540 280 15 14.8 -2.6 | 301 17 14.6 -8.8 13 50 20620 260 15 14.8 2.6 | 284 15 14.6 -3.5 14 30 23760 345 15 3.9 -14.5 | 350 21 3.7 -20.6 15 20 26240 280 17 16.7 -3.0 | 299 19 16.5 -9.1 Wind Parameters Mean winds (0-6000m): 152.0 at 8.2 knts Storm direction: 182.0 at 6.2 knts Shear (0-3000m) pos: 1.2 neg: 0.4 tot: 1.6 10-3/s Storm rel Dir Shear (0-3000m): 64.7 deg Storm rel helicity (0-3000m) pos: 11.0 neg: -0.8 tot: 10.2 m^2/s^2 ave: 3.4 10^-3 m/s^2 rel: 0.52 Storm rel vorticity (0-3000m) horiz: 2.1 stream: 1.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 4.11 Bulk Shear: 3.20 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 ------------------------------------------------------------------------------- 500 120 5 49 6| 4.7 0.0 4.7| 7.7 0.0 7.7 15.5 0.96| 4.9 4.7 1000 134 6 65 5| 3.3 0.0 3.3| 10.3 0.0 10.3 10.3 0.81| 4.2 3.4 1500 146 6 75 4| 2.4 0.0 2.4| 10.8 -0.1 10.7 7.1 0.72| 3.5 2.5 2000 151 6 81 3| 1.8 0.2 2.0| 10.8 -0.3 10.5 5.2 0.63| 2.8 1.8 2500 153 7 84 3| 1.4 0.3 1.8| 10.8 -0.6 10.2 4.1 0.56| 2.4 1.3 3000 153 7 85 3| 1.2 0.4 1.6| 11.0 -0.8 10.2 3.4 0.52| 2.1 1.1 4000 152 7 90 4| 0.9 0.4 1.3| 12.3 -0.8 11.5 2.9 0.55| 1.8 1.0 5000 151 8 97 4| 0.7 0.4 1.1| 13.7 -0.8 12.8 2.6 0.55| 1.6 0.9 6000 152 8 105 4| 0.9 0.4 1.3| 20.3 -0.8 19.5 3.2 0.62| 1.7 1.0 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20251009.00.gif