UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121000.upa.cvt Date: 0000Z 10 DEC 25 Searching for U2845... Searching the city database file for: U2845 ... Date:0000Z 10 DEC 25 Station: U2845 WMO ident: 22845 Latitude: 61.50 Longitude: 38.93 ------------------------------------------------------------------------------- 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 63 180 5 SFC 992 127 0.2 -1.1 91 1.3 -0.3 180 5 274.0 274.6 273.2 283.6 3.55 2 925 683 -3.5 -5.5 86 2.0 -4.2 200 23 275.7 276.2 273.1 283.3 2.74 3 914 777 -4.1 -6.2 85 2.1 -4.8 204 22 276.1 276.5 273.1 283.4 2.63 4 894 952 -3.9 -5.8 87 1.9 -4.6 212 21 278.0 278.5 274.4 285.8 2.77 5 878 1095 -1.5 -3.2 88 1.7 -2.2 219 21 281.9 282.5 277.4 291.6 3.43 6 850 1353 -2.5 -4.2 88 1.7 -3.1 230 19 283.5 284.1 278.1 292.9 3.29 7 806 1774 -3.5 -5.3 87 1.8 -4.2 234 18 286.8 287.4 279.6 296.0 3.19 8 700 2871 -11.7 -14.7 78 3.0 -12.5 245 15 289.5 289.8 279.0 294.8 1.74 9 655 3376 -15.5 -18.0 81 2.5 -16.1 242 15 290.8 291.0 279.1 295.1 1.41 10 590 4157 -20.7 -26.7 59 6.0 -21.7 237 16 293.6 293.7 279.5 295.9 0.73 11 504 5303 -29.1 -33.8 64 4.7 -29.6 230 17 296.9 297.0 280.6 298.3 0.44 12 500 5360 -29.7 -34.3 64 4.6 -30.2 230 17 296.8 296.9 280.6 298.2 0.42 13 400 6910 -42.3 -46.3 65 4.0 -42.5 230 23 300.0 300.0 281.5 300.5 0.15 14 339 8005 -51.5 -55.1 65 3.6 -51.6 239 22 302.0 302.0 282.3 302.3 0.06 15 310 8581 -54.9 -58.7 63 3.8 -55.0 243 21 305.1 305.1 283.5 305.3 0.04 16 300 8790 -55.3 -59.1 62 3.8 -55.4 245 21 307.4 307.4 284.4 307.6 0.04 17 293 8939 -56.3 -59.9 64 3.6 -56.3 244 21 308.1 308.1 284.7 308.2 0.04 18 281 9204 -55.5 -59.3 62 3.8 -55.6 243 20 312.9 312.9 286.4 313.1 0.05 19 263 9622 -57.7 -61.5 62 3.8 -57.8 240 19 315.7 315.7 287.3 315.8 0.04 20 250 9940 -57.7 -61.5 62 3.8 -57.8 250 23 320.3 320.3 288.9 320.4 0.04 21 208 11102 -57.3 -61.3 60 4.0 -57.4 275 25 338.2 338.2 293.9 338.4 0.05 22 200 11350 -58.1 -62.2 59 4.1 -58.2 280 25 340.8 340.8 294.6 340.9 0.04 23 150 13140 -62.3 -66.7 55 4.4 -62.4 290 36 362.8 362.8 299.2 362.9 0.03 24 136 13743 -63.7 -68.3 53 4.6 -63.8 291 37 370.6 370.6 300.7 370.7 0.03 25 100 15620 -65.5 -70.0 53 4.5 -65.5 295 42 401.2 401.2 305.4 401.3 0.03 26 86 16536 -66.9 -71.8 50 4.9 -67.0 299 44 416.0 416.0 307.3 416.2 0.03 27 70 17770 -70.7 -75.4 50 4.7 -70.8 305 46 433.1 433.1 309.2 433.2 0.02 28 66 18117 -71.9 -76.8 48 4.9 -71.9 306 48 437.9 437.9 309.7 438.0 0.02 29 50 19740 -74.7 -79.5 47 4.8 -74.7 310 56 467.5 467.5 312.4 467.5 0.01 30 44 20479 -76.9 -81.9 45 5.0 -76.9 479.5 479.5 313.4 479.6 0.01 TRP 263 9622 -57.7 -61.5 62 3.8 -57.8 240 19 315.7 315.7 287.3 315.8 0.04 WND Sounding variables and indices 1000-500 mb thick: 5297.00 m Freezing level: 988.38 mb = 157.31 m = 516.09 ft Wetbulb zero: Below ground Precipitable water: 0.43 inches Sfc-500 mean rel hum: 76.83 % Est. max temperature: 10.31 C = 50.55 F Sfc-Lift cond lev (LCL): 971.96 mb = 289.46 m = 949.66 ft T: -0.88 C 700-500 lapse rate: 7.23 C/km ThetaE index: 1.25 C Layer 700.0- 655.0 mb Conv cond level (CCL): 759.83 mb = 2232.79 m = 7325.33 ft Mean mixing ratio: 2.99 g/kg Conv temperature: 14.16 C = 57.49 F Cap Strength: 11.37 C Lifted Index: 11.30 C Risk: None Lifted Index @300 mb: 16.81 C Lifted Index @700 mb: 8.20 C Showalter Index: 4.38 C Risk: None Total Totals Index: 52.70 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.20 C Cross Totals Index: 25.50 C K Index: 20.00 Risk: 20-40 % chance of thunderstorms Sweat Index: 129.00 Risk: None Energy Index: 1.10 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.93 J/kg Max Up Vert Vel: 5.09 m/s Conv Inhibition (B-): 30741.58 J/kg Cap Strength: 11.33 C Lift Cond Lev (LCL): 915.89 mb = 761.19 m = 2497.31 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 260 at 13 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 ---------------------------------------------------------- 0 992 127 180 5 0.0 5.0 | 103 13 -12.5 2.8 1 925 683 200 23 7.9 21.6 | 167 20 -4.6 19.4 2 850 1353 230 19 14.6 12.2 | 192 10 2.0 10.0 3 700 2871 245 15 13.6 6.3 | 195 4 1.1 4.1 4 500 5360 230 17 13.0 10.9 | 183 9 0.5 8.7 5 400 6910 230 23 17.6 14.8 | 202 14 5.1 12.6 6 300 8790 245 21 19.0 8.9 | 224 9 6.5 6.7 7 263 9622 240 19 16.5 9.5 | 208 8 3.9 7.3 8 250 9940 250 23 21.6 7.9 | 238 11 9.1 5.7 9 200 11350 280 25 24.6 -4.3 | 298 14 12.1 -6.5 10 150 13140 290 36 33.8 -12.3 | 304 26 21.3 -14.5 11 100 15620 295 42 38.1 -17.7 | 308 32 25.6 -19.9 12 70 17770 305 46 37.7 -26.4 | 319 38 25.2 -28.6 13 50 19740 310 56 42.9 -36.0 | 321 49 30.4 -38.2 Wind Parameters Mean winds (0-6000m): 230.0 at 16.9 knts Storm direction: 260.0 at 12.7 knts Shear (0-3000m) pos: 2.4 neg: 0.0 tot: 2.4 10-3/s Storm rel Dir Shear (0-3000m): 90.8 deg Storm rel helicity (0-3000m) pos: 97.8 neg: -0.2 tot: 97.6 m^2/s^2 ave: 32.5 10^-3 m/s^2 rel: 0.67 Storm rel vorticity (0-3000m) horiz: 6.2 stream: 4.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.08 Bulk Shear: 12.03 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 ------------------------------------------------------------------------------- 500 196 13 139 14| 17.0 0.0 17.0| 62.1 0.0 62.1 124.3 0.92| 17.3 16.0 1000 204 17 158 15| 8.7 0.0 8.7| 90.5 0.0 90.5 90.5 0.83| 13.4 11.2 1500 212 18 167 13| 5.4 0.0 5.4| 97.0 0.0 97.0 64.7 0.77| 10.6 8.2 2000 218 18 172 12| 3.8 0.0 3.8| 97.6 0.0 97.6 48.8 0.73| 8.5 6.2 2500 222 18 176 11| 2.9 0.0 2.9| 97.8 -0.0 97.8 39.1 0.69| 7.2 5.0 3000 225 17 178 10| 2.4 0.0 2.4| 97.8 -0.2 97.6 32.5 0.67| 6.2 4.1 4000 229 17 181 9| 1.8 0.2 2.0| 97.8 -0.9 96.9 24.2 0.62| 4.9 3.0 5000 230 17 182 9| 1.4 0.4 1.8| 97.8 -2.0 95.8 19.2 0.58| 4.1 2.4 6000 230 17 183 9| 1.2 0.5 1.7|102.7 -2.3 100.4 16.7 0.57| 3.7 2.1 Wrote GIF file: /home/apache/climate/data/raob//U2845/skewt/U2845.skewt.20251210.00.gif