UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120700.upa.cvt Date: 0000Z 7 DEC 25 Searching for U4908... Searching the city database file for: U4908 ... Date:0000Z 7 DEC 25 Station: U4908 WMO ident: 24908 Latitude: 60.33 Longitude: 102.27 ------------------------------------------------------------------------------- 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 197 220 3 SFC 991 262 -28.1 -31.0 76 2.9 -28.3 220 3 245.7 245.7 245.4 246.5 0.29 2 925 754 -32.1 -35.9 69 3.8 -32.3 275 21 246.5 246.5 245.9 247.0 0.19 3 920 792 -32.3 -36.0 70 3.7 -32.5 275 21 246.7 246.7 246.1 247.2 0.19 4 899 956 -30.1 -33.8 70 3.7 -30.3 277 22 250.6 250.6 249.7 251.2 0.24 5 850 1355 -29.1 -32.9 70 3.8 -29.4 280 25 255.7 255.7 254.2 256.5 0.28 6 817 1638 -28.7 -32.7 68 4.0 -29.0 275 25 259.0 259.0 257.0 259.9 0.30 7 700 2739 -30.9 -35.9 61 5.0 -31.3 255 23 268.3 268.3 264.0 269.0 0.25 8 677 2975 -31.3 -36.3 61 5.0 -31.7 252 23 270.4 270.4 265.4 271.2 0.25 9 500 5060 -44.1 -48.6 61 4.5 -44.2 225 25 279.3 279.3 270.9 279.6 0.09 10 401 6514 -52.9 -57.2 59 4.3 -52.9 240 23 286.0 286.0 274.6 286.2 0.04 11 400 6530 -53.1 -57.4 59 4.3 -53.2 240 23 286.0 286.0 274.6 286.1 0.04 12 310 8154 -58.5 -62.8 58 4.3 -58.6 265 29 300.1 300.1 281.4 300.2 0.03 13 300 8360 -58.7 -63.0 57 4.3 -58.7 270 27 302.6 302.6 282.5 302.7 0.03 14 292 8530 -58.9 -63.2 57 4.3 -58.9 271 27 304.7 304.7 283.3 304.8 0.03 15 250 9510 -57.3 -61.8 56 4.5 -57.4 275 25 320.9 320.9 289.0 321.0 0.04 16 231 10010 -55.9 -60.5 56 4.6 -56.0 280 23 330.3 330.4 291.9 330.5 0.05 17 211 10582 -57.7 -62.5 54 4.8 -57.8 286 20 336.2 336.2 293.4 336.4 0.04 18 200 10920 -56.7 -61.7 53 5.0 -56.8 290 19 343.0 343.0 295.1 343.2 0.05 19 197 11016 -55.5 -60.5 54 5.0 -55.6 290 19 346.4 346.4 295.9 346.6 0.06 20 150 12740 -57.5 -63.5 46 6.0 -57.6 295 27 371.0 371.0 300.8 371.2 0.05 21 136 13359 -58.1 -64.1 46 6.0 -58.3 295 26 380.5 380.5 302.3 380.7 0.05 22 119 14203 -56.9 -63.9 41 7.0 -57.1 295 25 397.5 397.5 304.9 397.8 0.06 23 100 15300 -59.1 -67.1 35 8.0 -59.3 295 23 413.5 413.5 307.0 413.8 0.05 24 93 15753 -60.7 -68.7 34 8.0 -60.9 292 23 419.1 419.1 307.6 419.3 0.04 25 83 16460 -61.1 -69.1 34 8.0 -61.3 287 22 432.1 432.1 309.1 432.3 0.04 26 76 17009 -59.7 -68.7 30 9.0 -60.0 283 21 446.0 446.1 310.5 446.3 0.05 27 70 17520 -62.1 -71.1 29 9.0 -62.3 280 21 451.5 451.5 311.0 451.7 0.04 28 58 18675 -64.9 -73.9 28 9.0 -65.1 470.2 470.2 312.7 470.3 0.03 TRP 310 8154 -58.5 -62.8 58 4.3 -58.6 265 29 300.1 300.1 281.4 300.2 0.03 WND Sounding variables and indices 1000-500 mb thick: 4863.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.05 inches Sfc-500 mean rel hum: 64.65 % Est. max temperature: -17.26 C = 0.93 F Sfc-Lift cond lev (LCL): 943.75 mb = 610.79 m = 2003.88 ft T: -30.94 C 700-500 lapse rate: 5.69 C/km Conv cond level (CCL): 566.89 mb = 4196.23 m = 13766.99 ft Mean mixing ratio: 0.23 g/kg Conv temperature: 1.79 C = 35.23 F Cap Strength: 20.42 C Lifted Index: 25.90 C Risk: None Lifted Index @300 mb: 38.90 C Lifted Index @700 mb: 18.71 C Showalter Index: 18.75 C Risk: None Total Totals Index: 26.20 C Risk: None Vertical Totals Index: 15.00 C Cross Totals Index: 11.20 C K Index: -22.90 Risk: None Sweat Index: 75.00 Risk: None Energy Index: 4.93 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 20.12 J/kg Max Up Vert Vel: 6.34 m/s Conv Inhibition (B-): 40248.86 J/kg Cap Strength: 25.66 C Lift Cond Lev (LCL): 888.32 mb = 1040.81 m = 3414.68 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 279 at 17 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 ---------------------------------------------------------- 0 991 262 220 3 1.9 2.3 | 108 16 -15.1 5.0 1 925 754 275 21 20.9 -1.8 | 257 4 3.9 0.9 2 850 1355 280 25 24.6 -4.3 | 282 8 7.6 -1.6 3 700 2739 255 23 22.2 6.0 | 211 10 5.2 8.7 4 500 5060 225 25 17.7 17.7 | 182 20 0.7 20.4 5 400 6530 240 23 19.9 11.5 | 192 15 2.9 14.2 6 310 8154 265 29 28.9 2.5 | 246 13 11.9 5.3 7 300 8360 270 27 27.0 -0.0 | 255 10 10.0 2.7 8 250 9510 275 25 24.9 -2.2 | 266 8 7.9 0.6 9 200 10920 290 19 17.9 -6.5 | 347 4 0.8 -3.8 10 150 12740 295 27 24.5 -11.4 | 319 11 7.5 -8.7 11 100 15300 295 23 20.8 -9.7 | 331 8 3.8 -7.0 12 70 17520 280 21 20.7 -3.6 | 284 4 3.7 -0.9 Wind Parameters Mean winds (0-6000m): 249.1 at 23.0 knts Storm direction: 279.1 at 17.2 knts Shear (0-3000m) pos: 3.9 neg: 2.2 tot: 6.1 10-3/s Storm rel Dir Shear (0-3000m): 94.2 deg Storm rel helicity (0-3000m) pos: 40.8 neg: -26.6 tot: 14.2 m^2/s^2 ave: 4.7 10^-3 m/s^2 rel: 0.21 Storm rel vorticity (0-3000m) horiz: 6.9 stream: 1.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.01 Bulk Shear: 19.94 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 ------------------------------------------------------------------------------- 500 269 12 121 6| 20.1 0.0 20.1| 37.3 0.0 37.3 74.6 0.80| 22.9 18.2 1000 274 17 194 1| 11.8 0.0 11.8| 40.3 0.0 40.3 40.3 0.76| 13.4 10.2 1500 276 20 253 3| 7.9 1.0 8.8| 40.8 -6.3 34.5 23.0 0.57| 10.2 5.8 2000 274 21 249 4| 5.9 1.7 7.6| 40.8 -14.1 26.7 13.3 0.39| 8.7 3.4 2500 271 21 240 5| 4.7 2.1 6.8| 40.8 -22.0 18.8 7.5 0.27| 7.7 2.0 3000 267 22 231 6| 3.9 2.2 6.1| 40.8 -26.6 14.2 4.7 0.21| 6.9 1.4 4000 260 22 217 8| 3.0 2.3 5.3| 40.8 -38.8 2.0 0.5 0.11| 5.9 0.7 5000 253 23 207 10| 2.4 2.2 4.6| 43.2 -52.1 -8.9 -1.8 0.06| 5.2 0.3 6000 249 23 202 12| 2.2 1.9 4.1| 52.6 -52.1 0.5 0.1 0.09| 4.7 0.4 Wrote GIF file: /home/apache/climate/data/raob//U4908/skewt/U4908.skewt.20251207.00.gif