UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120112.upa.cvt Date: 1200Z 1 DEC 25 Searching for U6781... Searching the city database file for: U6781 ... Date:1200Z 1 DEC 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 184 135 9 SFC 992 248 0.0 -2.3 84 2.3 -0.9 135 9 273.8 274.3 272.7 282.6 3.25 2 925 803 -4.9 -7.1 85 2.2 -5.6 175 19 274.3 274.7 271.7 281.0 2.42 3 897 1044 -6.9 -8.7 87 1.8 -7.5 179 20 274.7 275.0 271.6 280.8 2.20 4 858 1399 4.4 -4.6 52 9.0 0.6 184 21 290.0 290.5 281.0 299.2 3.16 5 850 1475 4.2 -6.8 45 11.0 -0.2 185 21 290.5 291.0 280.7 298.5 2.70 6 731 2686 -1.7 -24.7 15 23.0 -7.6 193 16 296.9 297.0 281.0 299.2 0.71 7 700 3029 -3.5 -22.5 21 19.0 -8.6 195 15 298.6 298.8 282.0 301.5 0.90 8 697 3063 -3.7 -21.7 23 18.0 -8.6 195 15 298.8 298.9 282.1 301.9 0.97 9 660 3490 -7.5 -20.5 35 13.0 -11.0 198 16 299.2 299.4 282.5 302.8 1.13 10 574 4563 -14.3 -31.3 22 17.0 -17.4 204 20 303.4 303.5 283.4 305.0 0.49 11 567 4656 -15.5 -32.5 22 17.0 -18.4 204 20 303.0 303.1 283.2 304.5 0.44 12 500 5590 -23.5 -31.5 48 8.0 -24.7 210 23 304.4 304.5 283.9 306.2 0.55 13 493 5693 -23.9 -30.9 52 7.0 -25.0 211 23 305.1 305.2 284.2 307.1 0.59 14 403 7128 -34.9 -39.1 65 4.2 -35.3 220 23 309.0 309.0 285.4 310.1 0.32 15 400 7180 -35.5 -39.6 66 4.1 -35.8 220 23 308.9 308.9 285.3 309.9 0.31 16 366 7792 -40.3 -44.5 64 4.2 -40.6 220 24 310.4 310.4 285.7 311.1 0.20 17 337 8348 -46.7 -51.3 59 4.6 -46.9 220 24 309.1 309.1 285.1 309.5 0.10 18 300 9110 -52.1 -57.1 55 5.0 -52.2 220 25 311.9 311.9 286.1 312.1 0.06 19 257 10089 -59.3 -64.3 52 5.0 -59.4 233 28 315.4 315.4 287.2 315.5 0.03 20 250 10260 -61.1 -66.1 51 5.0 -61.2 235 29 315.2 315.2 287.2 315.3 0.02 21 237 10592 -64.1 -69.1 50 5.0 -64.1 237 31 315.6 315.6 287.3 315.6 0.01 22 233 10697 -66.7 -72.7 42 6.0 -66.7 237 32 313.1 313.2 286.5 313.2 0.01 23 217 11129 -68.1 -74.1 42 6.0 -68.1 240 35 317.4 317.4 287.9 317.4 0.01 24 200 11630 -62.5 -68.5 44 6.0 -62.6 240 27 333.8 333.8 292.7 333.9 0.02 25 194 11819 -60.7 -66.7 45 6.0 -60.8 243 28 339.6 339.6 294.3 339.7 0.03 26 150 13420 -60.3 -66.3 45 6.0 -60.4 270 33 366.2 366.2 299.9 366.4 0.03 27 141 13806 -58.9 -64.9 46 6.0 -59.0 271 32 375.2 375.2 301.5 375.4 0.04 28 128 14407 -62.1 -69.1 39 7.0 -62.2 272 31 379.9 380.0 302.2 380.1 0.03 29 101 15869 -62.3 -70.3 33 8.0 -62.4 275 29 406.2 406.2 306.0 406.3 0.03 30 100 15930 -62.3 -70.3 33 8.0 -62.4 275 29 407.4 407.4 306.2 407.5 0.03 31 70 18130 -63.7 -72.7 28 9.0 -63.9 260 19 448.1 448.1 310.7 448.3 0.03 32 65 18585 -63.9 -72.9 28 9.0 -64.1 261 19 457.3 457.3 311.5 457.4 0.03 33 58 19278 -67.1 -76.1 27 9.0 -67.2 263 20 465.2 465.2 312.3 465.3 0.02 34 53 19825 -64.9 -74.9 24 10.0 -65.1 264 21 482.4 482.4 313.7 482.6 0.03 35 50 20180 -65.9 -75.9 24 10.0 -66.1 265 21 488.2 488.2 314.1 488.3 0.03 36 33 22694 -67.3 -77.3 23 10.0 -67.6 546.1 546.1 317.9 546.3 0.03 TRP 217 11129 -68.1 -74.1 42 6.0 -68.1 240 35 317.4 317.4 287.9 317.4 0.01 WND Sounding variables and indices 1000-500 mb thick: 5406.00 m Freezing level: 992.00 mb = 248.29 m = 814.60 ft Freezing level: 873.19 mb = 1260.64 m = 4135.91 ft Freezing level: 765.29 mb = 2337.02 m = 7667.30 ft Wetbulb zero: Below ground Precipitable water: 0.33 inches Sfc-500 mean rel hum: 40.40 % Est. max temperature: 17.13 C = 62.83 F Sfc-Lift cond lev (LCL): 956.93 mb = 533.80 m = 1751.29 ft T: -2.52 C 700-500 lapse rate: 7.81 C/km ThetaE index: 1.84 C Layer 925.0- 858.0 mb Conv cond level (CCL): 906.84 mb = 958.48 m = 3144.57 ft Mean mixing ratio: 2.65 g/kg Conv temperature: 0.75 C = 33.36 F Cap Strength: 19.61 C Lifted Index: 19.20 C Risk: None Lifted Index @300 mb: 21.53 C Lifted Index @700 mb: 17.98 C Showalter Index: 6.48 C Risk: None Total Totals Index: 44.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.70 C Cross Totals Index: 16.70 C K Index: 1.90 Risk: None Sweat Index: 142.83 Risk: None Energy Index: 1.66 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.21 J/kg Max Up Vert Vel: 2.90 m/s Conv Inhibition (B-): 37591.16 J/kg Cap Strength: 19.47 C Lift Cond Lev (LCL): 910.74 mb = 924.85 m = 3034.25 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 226 at 14 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 ---------------------------------------------------------- 0 992 248 135 9 -6.4 6.4 | 78 17 -16.6 -3.4 1 925 803 175 19 -1.7 18.9 | 128 15 -11.9 9.1 2 850 1475 185 21 1.8 20.9 | 143 14 -8.4 11.1 3 700 3029 195 15 3.9 14.5 | 127 8 -6.3 4.7 4 500 5590 210 23 11.5 19.9 | 187 10 1.3 10.1 5 400 7180 220 23 14.8 17.6 | 210 9 4.6 7.8 6 300 9110 220 25 16.1 19.2 | 212 11 5.9 9.4 7 250 10260 235 29 23.8 16.6 | 243 15 13.5 6.9 8 217 11129 240 35 30.3 17.5 | 249 22 20.1 7.7 9 200 11630 240 27 23.4 13.5 | 254 14 13.2 3.7 10 150 13420 270 33 33.0 -0.0 | 293 25 22.8 -9.8 11 100 15930 275 29 28.9 -2.5 | 303 22 18.7 -12.3 12 70 18130 260 19 18.7 3.3 | 307 11 8.5 -6.5 13 50 20180 265 21 20.9 1.8 | 307 13 10.7 -8.0 Wind Parameters Mean winds (0-6000m): 196.2 at 18.9 knts Storm direction: 226.2 at 14.1 knts Shear (0-3000m) pos: 2.4 neg: 0.0 tot: 2.4 10-3/s Storm rel Dir Shear (0-3000m): 53.9 deg Storm rel helicity (0-3000m) pos: 75.3 neg: -7.2 tot: 68.1 m^2/s^2 ave: 22.7 10^-3 m/s^2 rel: 0.62 Storm rel vorticity (0-3000m) horiz: 4.4 stream: 2.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.26 Bulk Shear: 16.37 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 ------------------------------------------------------------------------------- 500 161 13 101 15| 12.3 0.0 12.3| 52.9 0.0 52.9 105.8 0.99| 12.8 12.7 1000 171 16 117 14| 8.0 0.0 8.0| 69.0 0.0 69.0 69.0 0.98| 8.6 8.4 1500 176 18 125 14| 5.5 0.0 5.5| 73.8 -0.7 73.1 48.7 0.91| 6.6 6.0 2000 179 18 129 13| 3.8 0.0 3.8| 73.8 -2.9 70.9 35.4 0.78| 5.5 4.3 2500 182 18 130 13| 2.8 0.0 2.8| 73.8 -5.7 68.2 27.3 0.67| 4.8 3.2 3000 183 18 130 12| 2.4 0.0 2.4| 75.3 -7.2 68.1 22.7 0.62| 4.4 2.7 4000 187 17 133 11| 2.2 0.0 2.2| 82.8 -7.2 75.6 18.9 0.66| 3.7 2.5 5000 192 18 141 10| 2.2 0.0 2.2| 91.0 -7.2 83.8 16.8 0.70| 3.4 2.3 6000 196 19 149 10| 2.0 0.0 2.0| 98.1 -7.2 90.9 15.1 0.71| 3.1 2.2 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20251201.12.gif