UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121312.upa.cvt Date: 1200Z 13 DEC 25 Searching for UWUU... Searching the city database file for: UWUU ... Date:1200Z 13 DEC 25 Station: UWUU WMO ident: 28722 Latitude: 54.75 Longitude: 56.00 Elevation: 105.00 ------------------------------------------------------------------------------- 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 -49 SFC 981 105 -1.5 -2.4 94 0.9 -1.9 170 5 273.1 273.7 272.3 282.0 3.26 2 971 186 -2.1 -5.5 77 3.4 -3.3 173 8 273.3 273.8 271.4 280.5 2.61 3 925 569 -5.1 -7.8 81 2.7 -6.0 190 21 274.1 274.5 271.4 280.5 2.29 4 914 663 -5.7 -8.0 84 2.3 -6.4 195 20 274.4 274.8 271.6 280.8 2.29 5 876 996 -4.7 -6.5 87 1.8 -5.3 213 15 278.8 279.3 274.8 286.3 2.68 6 850 1233 -5.3 -7.0 88 1.7 -5.9 225 11 280.6 281.0 275.7 288.1 2.66 7 740 2308 -11.3 -13.7 82 2.4 -12.0 229 15 285.4 285.7 277.0 290.7 1.79 8 700 2732 -14.3 -16.6 83 2.3 -14.9 230 17 286.6 286.9 277.2 291.1 1.49 9 646 3337 -18.3 -20.7 81 2.4 -18.8 229 18 288.8 289.0 277.8 292.3 1.14 10 506 5115 -31.3 -40.3 41 9.0 -32.0 225 23 293.9 293.9 278.9 294.6 0.23 11 500 5200 -31.7 -40.7 41 9.0 -32.4 225 23 294.4 294.4 279.1 295.1 0.22 12 443 6044 -36.3 -41.3 60 5.0 -36.7 220 32 299.0 299.0 281.2 299.8 0.23 13 426 6313 -38.7 -43.4 61 4.7 -39.0 218 35 299.3 299.3 281.3 299.9 0.19 14 400 6740 -42.3 -46.8 61 4.5 -42.5 215 40 300.0 300.0 281.5 300.5 0.14 15 359 7461 -48.1 -52.5 60 4.4 -48.2 213 42 301.7 301.7 282.1 302.0 0.08 16 300 8630 -53.3 -57.6 59 4.3 -53.4 210 46 310.2 310.2 285.5 310.4 0.05 17 280 9075 -55.9 -59.7 62 3.8 -56.0 210 49 312.7 312.7 286.4 312.8 0.04 18 275 9191 -56.3 -60.0 63 3.7 -56.3 210 50 313.7 313.7 286.7 313.9 0.04 19 250 9800 -56.7 -60.5 62 3.8 -56.8 210 52 321.8 321.8 289.3 321.9 0.04 20 200 11210 -57.1 -61.5 57 4.4 -57.2 220 44 342.3 342.4 294.9 342.5 0.05 21 150 13030 -57.3 -63.3 46 6.0 -57.5 235 27 371.4 371.4 300.8 371.6 0.05 22 100 15570 -59.9 -66.9 40 7.0 -60.1 270 33 412.0 412.0 306.8 412.2 0.05 23 85 16583 -61.7 -69.7 34 8.0 -61.9 277 34 428.0 428.0 308.6 428.2 0.04 24 70 17780 -64.1 -72.1 33 8.0 -64.3 285 35 447.3 447.3 310.6 447.4 0.03 25 60 18718 -65.9 -73.9 32 8.0 -66.1 287 39 463.4 463.4 312.1 463.6 0.03 26 50 19820 -66.9 -74.9 31 8.0 -67.1 290 44 485.8 485.8 313.9 486.0 0.03 27 36 21799 -68.0 -76.7 28 8.7 -68.2 305 64 530.8 530.9 317.0 531.1 0.03 28 31 22697 -68.5 -77.5 26 9.0 -68.7 552.7 552.7 318.2 552.9 0.03 TRP 275 9191 -56.3 -60.0 63 3.7 -56.3 210 50 313.7 313.7 286.7 313.9 0.04 WND 36 21799 -68.0 -76.7 28 8.7 -68.2 305 64 530.8 530.9 317.0 531.1 0.03 Sounding variables and indices 1000-500 mb thick: 5249.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.34 inches Sfc-500 mean rel hum: 74.71 % Est. max temperature: 6.69 C = 44.05 F Sfc-Lift cond lev (LCL): 967.10 mb = 218.07 m = 715.45 ft T: -2.35 C 700-500 lapse rate: 7.05 C/km ThetaE index: 1.55 C Layer 971.0- 914.0 mb Conv cond level (CCL): 780.39 mb = 1895.89 m = 6220.02 ft Mean mixing ratio: 2.48 g/kg Conv temperature: 8.86 C = 47.95 F Cap Strength: 10.69 C Lifted Index: 11.05 C Risk: None Lifted Index @300 mb: 20.39 C Lifted Index @700 mb: 7.24 C Showalter Index: 5.96 C Risk: None Total Totals Index: 51.10 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.40 C Cross Totals Index: 24.70 C K Index: 17.10 Risk: < 20 % chance of thunderstorms Sweat Index: 87.00 Risk: None Energy Index: 1.46 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.67 J/kg Max Up Vert Vel: 5.94 m/s Conv Inhibition (B-): 40817.39 J/kg Cap Strength: 10.90 C Lift Cond Lev (LCL): 892.92 mb = 846.05 m = 2775.73 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 252 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 ---------------------------------------------------------- 0 981 105 170 5 -0.9 4.9 | 92 14 -14.3 0.5 1 925 569 190 21 3.6 20.7 | 149 19 -9.8 16.3 2 850 1233 225 11 7.8 7.8 | 121 7 -5.7 3.4 3 700 2732 230 17 13.0 10.9 | 176 7 -0.4 6.5 4 500 5200 225 23 16.3 16.3 | 193 12 2.8 11.9 5 400 6740 215 40 22.9 32.8 | 199 30 9.5 28.4 6 300 8630 210 46 23.0 39.8 | 195 37 9.6 35.4 7 275 9191 210 50 25.0 43.3 | 197 41 11.6 38.9 8 250 9800 210 52 26.0 45.0 | 197 43 12.6 40.6 9 200 11210 220 44 28.3 33.7 | 207 33 14.8 29.3 10 150 13030 235 27 22.1 15.5 | 218 14 8.7 11.1 11 100 15570 270 33 33.0 -0.0 | 283 20 19.6 -4.4 12 70 17780 285 35 33.8 -9.1 | 303 24 20.4 -13.5 13 50 19820 290 44 41.3 -15.0 | 305 34 27.9 -19.4 Wind Parameters Mean winds (0-6000m): 221.9 at 18.9 knts Storm direction: 251.9 at 14.1 knts Shear (0-3000m) pos: 2.5 neg: 0.2 tot: 2.7 10-3/s Storm rel Dir Shear (0-3000m): 88.9 deg Storm rel helicity (0-3000m) pos: 79.5 neg: -9.4 tot: 70.1 m^2/s^2 ave: 23.4 10^-3 m/s^2 rel: 0.51 Storm rel vorticity (0-3000m) horiz: 6.2 stream: 3.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.10 Bulk Shear: 16.07 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 ------------------------------------------------------------------------------- 500 187 14 127 15| 16.4 0.0 16.4| 68.2 0.0 68.2 136.4 0.97| 17.1 16.5 1000 195 15 137 14| 5.3 0.0 5.3| 69.2 -6.2 63.1 63.1 0.51| 14.1 7.2 1500 202 14 137 12| 3.6 0.0 3.6| 71.2 -9.4 61.8 41.2 0.44| 10.6 4.6 2000 208 14 139 10| 3.2 0.0 3.2| 74.4 -9.4 65.0 32.5 0.47| 8.5 4.0 2500 213 14 143 9| 3.0 0.0 3.0| 77.6 -9.4 68.2 27.3 0.50| 7.2 3.6 3000 217 15 148 9| 2.5 0.2 2.7| 79.5 -9.4 70.1 23.4 0.51| 6.2 3.2 4000 220 16 157 8| 1.9 0.5 2.4| 82.0 -9.4 72.6 18.2 0.51| 5.0 2.5 5000 222 17 166 9| 1.5 0.7 2.2| 84.2 -9.4 74.8 15.0 0.49| 4.3 2.1 6000 222 19 175 10| 1.3 1.5 2.7| 90.8 -9.4 81.4 13.6 0.42| 4.5 1.9 Wrote GIF file: /home/apache/climate/data/raob//UWUU/skewt/UWUU.skewt.20251213.12.gif