UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121800.upa.cvt Date: 0000Z 18 DEC 25 Searching for U9839... Searching the city database file for: U9839 ... Date:0000Z 18 DEC 25 Station: U9839 WMO ident: 29839 Latitude: 53.50 Longitude: 83.83 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1009 143 -16.7 -20.3 74 3.6 -17.3 220 3 255.8 255.9 255.3 257.8 0.75 1 1000 210 -16.7 -20.3 74 3.6 -17.3 225 3 256.5 256.6 255.9 258.5 0.76 2 965 477 -17.3 -20.7 75 3.4 -17.9 234 11 258.5 258.6 257.5 260.5 0.76 3 925 793 -19.3 -22.3 77 3.0 -19.7 245 21 259.6 259.7 258.3 261.5 0.69 4 907 939 -20.7 -23.0 82 2.3 -21.0 248 21 259.6 259.7 258.2 261.4 0.66 5 884 1129 -19.1 -20.5 89 1.4 -19.3 253 21 263.2 263.3 261.4 265.5 0.85 6 850 1420 -20.5 -22.4 85 1.9 -20.8 260 21 264.7 264.8 262.3 266.8 0.74 7 710 2745 -23.9 -25.7 85 1.8 -24.2 288 28 274.9 275.0 269.2 276.9 0.66 8 700 2849 -24.3 -26.8 80 2.5 -24.6 290 29 275.6 275.7 269.5 277.4 0.61 9 681 3049 -24.9 -28.4 73 3.5 -25.4 292 31 277.1 277.2 270.4 278.7 0.54 10 600 3969 -25.5 -29.2 71 3.7 -26.0 301 38 286.6 286.7 275.8 288.4 0.57 11 555 4534 -25.9 -29.6 71 3.7 -26.4 307 42 292.6 292.7 278.9 294.5 0.59 12 500 5280 -31.9 -35.5 70 3.6 -32.3 315 48 294.1 294.2 279.3 295.4 0.37 13 400 6820 -43.3 -47.9 60 4.6 -43.5 320 56 298.7 298.7 281.0 299.2 0.13 14 381 7145 -46.1 -50.7 60 4.6 -46.3 318 55 299.2 299.2 281.1 299.6 0.10 15 324 8207 -52.1 -56.3 60 4.2 -52.2 313 53 305.1 305.1 283.5 305.3 0.06 16 300 8700 -56.1 -60.1 61 4.0 -56.2 310 52 306.3 306.3 284.0 306.4 0.04 17 296 8785 -57.7 -61.5 62 3.8 -57.8 309 52 305.2 305.2 283.5 305.3 0.03 18 263 9526 -62.5 -66.3 60 3.8 -62.6 300 54 308.6 308.6 284.8 308.7 0.02 19 257 9669 -62.5 -66.3 60 3.8 -62.6 295 58 310.7 310.7 285.6 310.8 0.02 20 250 9840 -62.0 -65.8 60 3.8 -62.0 290 62 313.9 313.9 286.7 314.0 0.02 21 200 11230 -57.9 -61.9 60 4.0 -58.0 290 60 341.1 341.1 294.6 341.3 0.05 22 176 12041 -55.9 -60.0 60 4.1 -56.0 292 58 357.1 357.1 298.2 357.4 0.07 23 150 13060 -55.5 -59.6 60 4.1 -55.6 295 56 374.5 374.5 301.4 374.8 0.08 24 112 14916 -56.9 -60.9 60 4.0 -57.1 404.5 404.5 305.9 404.9 0.09 TRP 263 9526 -62.5 -66.3 60 3.8 -62.6 300 54 308.6 308.6 284.8 308.7 0.02 WND 250 9840 -62.0 -65.8 60 3.8 -62.0 290 62 313.9 313.9 286.7 314.0 0.02 Sounding variables and indices 1000-500 mb thick: 5070.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.15 inches Sfc-500 mean rel hum: 77.23 % Est. max temperature: -8.20 C = 17.23 F Sfc-Lift cond lev (LCL): 951.28 mb = 584.02 m = 1916.07 ft T: -17.98 C 700-500 lapse rate: 3.13 C/km ThetaE index: 0.05 C Layer 907.0- 884.0 mb Conv cond level (CCL): 538.35 mb = 4751.44 m = 15588.51 ft Mean mixing ratio: 0.73 g/kg Conv temperature: 20.67 C = 69.21 F Cap Strength: 27.40 C Lifted Index: 27.79 C Risk: None Lifted Index @300 mb: 32.53 C Lifted Index @700 mb: 14.29 C Showalter Index: 22.57 C Risk: None Total Totals Index: 20.90 C Risk: None Vertical Totals Index: 11.40 C Cross Totals Index: 9.50 C K Index: -13.50 Risk: None Sweat Index: 90.00 Risk: None Energy Index: 6.05 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.63 J/kg Max Up Vert Vel: 5.41 m/s Conv Inhibition (B-): 21543.77 J/kg Cap Strength: 27.76 C Lift Cond Lev (LCL): 907.99 mb = 930.56 m = 3052.98 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 328 at 24 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 1009 143 220 3 1.9 2.3 | 154 25 -11.0 22.8 1 1000 210 225 3 2.1 2.1 | 154 25 -10.8 22.6 2 925 793 245 21 19.0 8.9 | 192 30 6.1 29.4 3 850 1420 260 21 20.7 3.6 | 198 25 7.7 24.1 4 700 2849 290 29 27.3 -9.9 | 234 18 14.3 10.6 5 500 5280 315 48 33.9 -33.9 | 303 25 21.0 -13.5 6 400 6820 320 56 36.0 -42.9 | 314 32 23.1 -22.4 7 300 8700 310 52 39.8 -33.4 | 296 30 26.9 -12.9 8 263 9526 300 54 46.8 -27.0 | 281 34 33.8 -6.5 9 250 9840 290 62 58.3 -21.2 | 271 45 45.3 -0.7 10 200 11230 290 60 56.4 -20.5 | 270 43 43.4 -0.0 11 150 13060 295 56 50.8 -23.7 | 275 38 37.8 -3.2 Wind Parameters Mean winds (0-6000m): 297.7 at 32.3 knts Storm direction: 327.7 at 24.2 knts Shear (0-3000m) pos: 5.2 neg: 0.0 tot: 5.2 10-3/s Storm rel Dir Shear (0-3000m): 88.3 deg Storm rel helicity (0-3000m) pos: 242.0 neg: 0.0 tot: 242.0 m^2/s^2 ave: 80.7 10^-3 m/s^2 rel: 0.88 Storm rel vorticity (0-3000m) horiz: 7.2 stream: 6.4 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.13 Bulk Shear: 111.68 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 ------------------------------------------------------------------------------- 500 237 9 168 26| 14.0 0.0 14.0| 94.0 0.0 94.0 188.0 0.97| 14.1 13.6 1000 246 15 181 26| 9.6 0.0 9.6|144.0 0.0 144.0 144.0 0.92| 11.0 10.1 1500 251 17 186 26| 6.9 0.0 6.9|165.1 0.0 165.1 110.0 0.88| 8.9 7.8 2000 257 18 192 25| 6.0 0.0 6.0|192.5 0.0 192.5 96.3 0.88| 8.0 7.0 2500 264 20 197 24| 5.5 0.0 5.5|218.5 0.0 218.5 87.4 0.87| 7.6 6.6 3000 270 22 203 22| 5.2 0.0 5.2|242.0 0.0 242.0 80.7 0.88| 7.2 6.4 4000 280 25 216 20| 5.0 0.0 5.0|290.5 0.0 290.5 72.6 0.90| 6.7 6.0 5000 290 29 233 17| 4.9 0.0 4.9|348.5 0.0 348.5 69.7 0.90| 6.5 5.9 6000 298 32 251 17| 4.5 0.0 4.5|380.3 0.0 380.3 63.4 0.88| 6.0 5.3 Wrote GIF file: /home/apache/climate/data/raob//U9839/skewt/U9839.skewt.20251218.00.gif