UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121100.upa.cvt Date: 0000Z 11 DEC 25 Searching for U2845... Searching the city database file for: U2845 ... Date:0000Z 11 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 22 SFC 987 127 0.6 -0.3 94 0.9 0.2 180 5 274.8 275.4 274.0 285.1 3.79 2 931 593 -2.5 -4.8 84 2.3 -3.3 216 25 276.2 276.7 273.6 284.2 2.87 3 925 644 -2.3 -4.6 84 2.3 -3.1 220 27 277.0 277.5 274.0 285.1 2.93 4 850 1314 -4.1 -6.3 85 2.2 -4.9 230 25 281.9 282.3 276.6 289.8 2.80 5 819 1606 -5.1 -7.5 83 2.4 -6.0 236 24 283.8 284.3 277.4 291.4 2.65 6 739 2405 -10.9 -13.7 80 2.8 -11.7 252 21 285.9 286.3 277.3 291.2 1.79 7 733 2468 -11.1 -14.0 79 2.9 -11.9 253 20 286.4 286.7 277.4 291.6 1.76 8 712 2690 -12.9 -16.9 72 4.0 -13.9 257 20 286.8 287.1 277.2 291.1 1.43 9 711 2701 -10.5 -14.6 72 4.1 -11.7 258 19 289.6 289.9 279.0 294.8 1.73 10 710 2712 -12.1 -16.4 70 4.3 -13.2 258 19 287.9 288.2 277.9 292.4 1.49 11 700 2820 -12.5 -17.3 67 4.8 -13.7 260 19 288.6 288.9 278.1 292.9 1.40 12 640 3496 -17.9 -26.9 45 9.0 -19.5 261 23 290.0 290.1 277.7 292.1 0.66 13 622 3708 -19.5 -27.5 49 8.0 -20.8 262 25 290.5 290.7 277.9 292.6 0.64 14 614 3804 -18.1 -25.1 54 7.0 -19.4 262 25 293.2 293.4 279.4 295.8 0.81 15 584 4177 -18.5 -22.5 71 4.0 -19.4 263 28 297.0 297.2 281.5 300.4 1.07 16 565 4423 -19.9 -23.6 72 3.7 -20.7 263 29 298.2 298.4 281.9 301.4 1.01 17 511 5161 -23.3 -27.0 72 3.7 -23.9 265 34 302.7 302.9 283.5 305.4 0.82 18 500 5320 -24.5 -28.3 71 3.8 -25.1 265 35 303.2 303.3 283.7 305.6 0.74 19 400 6910 -37.3 -41.4 66 4.1 -37.6 255 48 306.5 306.6 284.4 307.4 0.25 20 331 8185 -47.9 -51.9 63 4.0 -48.0 262 55 309.0 309.0 285.1 309.4 0.10 21 300 8830 -49.3 -53.3 63 4.0 -49.4 265 58 315.9 315.9 287.5 316.2 0.09 22 292 9006 -49.7 -53.6 63 3.9 -49.8 267 58 317.7 317.8 288.1 318.1 0.09 23 263 9679 -53.5 -57.8 59 4.3 -53.6 276 57 321.8 321.8 289.4 322.1 0.06 24 262 9703 -54.7 -59.1 58 4.4 -54.8 276 57 320.4 320.4 288.9 320.6 0.05 25 250 10000 -55.5 -59.8 59 4.3 -55.6 280 56 323.6 323.6 289.9 323.7 0.05 26 243 10182 -56.7 -61.3 56 4.6 -56.8 280 56 324.4 324.4 290.2 324.6 0.04 27 200 11420 -58.1 -63.1 53 5.0 -58.2 280 62 340.8 340.8 294.6 340.9 0.04 28 184 11944 -58.9 -64.2 50 5.3 -59.0 290 66 347.7 347.7 296.1 347.8 0.04 29 150 13220 -60.9 -66.9 45 6.0 -61.0 295 58 365.2 365.2 299.7 365.3 0.03 30 100 15720 -66.7 -73.7 37 7.0 -66.8 305 60 398.9 398.9 305.0 398.9 0.02 31 70 17860 -70.3 -77.3 35 7.0 -70.4 310 64 434.0 434.0 309.3 434.1 0.01 32 62 18573 -72.3 -79.3 34 7.0 -72.3 312 65 444.9 444.9 310.4 444.9 0.01 33 50 19830 -72.7 -79.7 34 7.0 -72.8 315 66 472.2 472.2 312.8 472.3 0.01 34 40 21134 -74.7 -81.7 33 7.0 -74.7 498.3 498.3 314.8 498.3 0.01 TRP 243 10182 -56.7 -61.3 56 4.6 -56.8 280 56 324.4 324.4 290.2 324.6 0.04 WND 184 11944 -58.9 -64.2 50 5.3 -59.0 290 66 347.7 347.7 296.1 347.8 0.04 Sounding variables and indices 1000-500 mb thick: 5298.00 m Freezing level: 976.16 mb = 217.09 m = 712.23 ft Wetbulb zero: 983.45 mb = 155.69 m = 510.78 ft Precipitable water: 0.40 inches Sfc-500 mean rel hum: 73.11 % Est. max temperature: 8.45 C = 47.22 F Sfc-Lift cond lev (LCL): 973.11 mb = 239.92 m = 787.14 ft T: -0.15 C 700-500 lapse rate: 4.80 C/km ThetaE index: 2.36 C Layer 710.0- 700.0 mb Conv cond level (CCL): 814.31 mb = 1650.96 m = 5416.47 ft Mean mixing ratio: 3.13 g/kg Conv temperature: 9.71 C = 49.48 F Cap Strength: 15.12 C Lifted Index: 15.32 C Risk: None Lifted Index @300 mb: 21.70 C Lifted Index @700 mb: 6.35 C Showalter Index: 11.87 C Risk: None Total Totals Index: 38.60 C Risk: None Vertical Totals Index: 20.40 C Cross Totals Index: 18.20 C K Index: 9.30 Risk: None Sweat Index: 181.70 Risk: None Energy Index: 3.21 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 18.53 J/kg Max Up Vert Vel: 6.09 m/s Conv Inhibition (B-): 30014.58 J/kg Cap Strength: 15.17 C Lift Cond Lev (LCL): 909.00 mb = 782.22 m = 2566.32 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 283 at 20 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 ---------------------------------------------------------- 0 987 127 180 5 0.0 5.0 | 116 21 -19.2 9.3 1 925 644 220 27 17.4 20.7 | 176 25 -1.9 25.0 2 850 1314 230 25 19.2 16.1 | 180 20 -0.1 20.4 3 700 2820 260 19 18.7 3.3 | 176 8 -0.5 7.6 4 500 5320 265 35 34.9 3.1 | 245 17 15.6 7.4 5 400 6910 255 48 46.4 12.4 | 238 32 27.1 16.7 6 300 8830 265 58 57.8 5.1 | 256 40 38.5 9.4 7 250 10000 280 56 55.1 -9.7 | 279 36 35.9 -5.4 8 243 10182 280 56 55.1 -9.7 | 279 36 35.9 -5.4 9 200 11420 280 62 61.1 -10.8 | 279 42 41.8 -6.4 10 184 11944 290 66 62.0 -22.6 | 293 47 42.8 -18.3 11 150 13220 295 58 52.6 -24.5 | 301 39 33.3 -20.2 12 100 15720 305 60 49.1 -34.4 | 315 42 29.9 -30.1 13 70 17860 310 64 49.0 -41.1 | 321 47 29.8 -36.8 14 50 19830 315 66 46.7 -46.7 | 327 50 27.4 -42.3 Wind Parameters Mean winds (0-6000m): 252.7 at 26.3 knts Storm direction: 282.7 at 19.7 knts Shear (0-3000m) pos: 3.6 neg: 0.0 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 74.7 deg Storm rel helicity (0-3000m) pos: 171.5 neg: -2.7 tot: 168.8 m^2/s^2 ave: 56.3 10^-3 m/s^2 rel: 0.63 Storm rel vorticity (0-3000m) horiz: 7.6 stream: 4.8 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.47 Bulk Shear: 39.19 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 ------------------------------------------------------------------------------- 500 214 16 149 20| 23.2 0.0 23.2|146.9 0.0 146.9 293.8 0.99| 24.7 24.4 1000 220 21 164 21| 11.6 0.0 11.6|160.7 0.0 160.7 160.7 0.92| 14.5 13.3 1500 224 22 169 21| 7.3 0.0 7.3|166.0 0.0 166.0 110.7 0.83| 11.2 9.2 2000 228 22 172 19| 5.2 0.0 5.2|167.5 0.0 167.5 83.8 0.74| 9.5 7.0 2500 232 22 174 18| 3.9 0.0 3.9|167.5 -1.6 165.9 66.4 0.65| 8.5 5.5 3000 236 22 176 17| 3.6 0.0 3.6|171.5 -2.7 168.8 56.3 0.63| 7.6 4.8 4000 243 22 182 14| 3.5 0.0 3.5|184.8 -2.7 182.1 45.5 0.66| 6.6 4.3 5000 249 24 194 13| 3.5 0.0 3.5|199.0 -2.7 196.4 39.3 0.65| 5.9 3.9 6000 253 26 206 13| 2.9 0.7 3.6|202.0 -8.6 193.3 32.2 0.56| 5.7 3.2 Wrote GIF file: /home/apache/climate/data/raob//U2845/skewt/U2845.skewt.20251211.00.gif