UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120112.upa.cvt Date: 1200Z 1 DEC 25 Searching for U3472... Searching the city database file for: U3472 ... Date:1200Z 1 DEC 25 Station: U3472 WMO ident: 23472 Latitude: 65.78 Longitude: 87.95 ------------------------------------------------------------------------------- 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 1003 40 -17.7 -20.4 79 2.7 -18.1 165 9 255.2 255.3 254.8 257.3 0.75 1 1000 62 -18.1 -21.2 77 3.1 -18.6 165 9 255.1 255.2 254.6 256.9 0.70 2 925 642 -22.3 -25.6 74 3.3 -22.7 180 33 256.5 256.6 255.4 257.9 0.51 3 917 706 -22.5 -25.8 74 3.3 -22.9 185 31 256.9 257.0 255.8 258.3 0.51 4 881 1002 -15.9 -18.0 84 2.1 -16.3 206 21 266.7 266.9 264.4 269.7 1.05 5 850 1271 -15.9 -17.9 85 2.0 -16.3 225 13 269.5 269.7 266.4 272.6 1.10 6 845 1315 -15.7 -17.8 84 2.1 -16.1 226 13 270.2 270.3 266.9 273.3 1.11 7 796 1770 -11.3 -13.1 87 1.8 -11.8 237 16 279.5 279.8 273.8 284.5 1.75 8 746 2268 -10.9 -12.6 87 1.7 -11.4 249 20 285.2 285.5 277.1 290.9 1.94 9 700 2754 -14.3 -16.6 83 2.3 -14.9 260 23 286.6 286.9 277.2 291.1 1.49 10 591 4015 -23.5 -26.2 78 2.7 -23.9 260 28 290.2 290.3 277.9 292.6 0.76 11 500 5220 -31.1 -39.1 45 8.0 -31.8 260 33 295.1 295.2 279.6 296.0 0.26 12 400 6760 -42.7 -52.7 33 10.0 -43.0 260 36 299.5 299.5 281.2 299.8 0.07 13 396 6828 -43.3 -53.3 32 10.0 -43.6 260 36 299.6 299.6 281.3 299.8 0.07 14 300 8640 -56.3 -64.3 36 8.0 -56.4 260 40 306.0 306.0 283.8 306.1 0.02 15 285 8963 -58.3 -65.3 40 7.0 -58.4 260 39 307.6 307.6 284.5 307.7 0.02 16 250 9780 -61.5 -68.5 39 7.0 -61.6 260 38 314.6 314.6 287.0 314.7 0.02 17 233 10218 -62.3 -69.3 39 7.0 -62.4 268 36 319.8 319.8 288.7 319.9 0.01 18 200 11170 -60.5 -67.5 39 7.0 -60.6 285 31 337.0 337.0 293.6 337.0 0.02 19 191 11458 -57.9 -64.9 40 7.0 -58.0 287 32 345.6 345.6 295.7 345.7 0.03 20 150 12970 -60.3 -67.3 39 7.0 -60.4 300 35 366.2 366.2 299.9 366.3 0.03 21 100 15480 -64.1 -72.1 33 8.0 -64.2 320 38 403.9 403.9 305.7 404.0 0.02 22 89 16192 -65.1 -73.1 32 8.0 -65.2 415.6 415.6 307.2 415.7 0.02 TRP 250 9780 -61.5 -68.5 39 7.0 -61.6 260 38 314.6 314.6 287.0 314.7 0.02 WND Sounding variables and indices 1000-500 mb thick: 5158.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.22 inches Sfc-500 mean rel hum: 76.93 % Est. max temperature: -3.70 C = 25.34 F Sfc-Lift cond lev (LCL): 959.53 mb = 369.36 m = 1211.79 ft T: -20.33 C 700-500 lapse rate: 6.81 C/km ThetaE index: 0.31 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 508.18 mb = 5103.14 m = 16742.39 ft Mean mixing ratio: 0.60 g/kg Conv temperature: 21.76 C = 71.16 F Cap Strength: 27.90 C Lifted Index: 30.58 C Risk: None Lifted Index @300 mb: 34.06 C Lifted Index @700 mb: 26.34 C Showalter Index: 18.68 C Risk: None Total Totals Index: 28.40 C Risk: None Vertical Totals Index: 15.20 C Cross Totals Index: 13.20 C K Index: -5.00 Risk: None Sweat Index: 59.00 Risk: None Energy Index: 5.06 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.37 J/kg Max Up Vert Vel: 4.97 m/s Conv Inhibition (B-): 27538.20 J/kg Cap Strength: 30.42 C Lift Cond Lev (LCL): 904.73 mb = 805.28 m = 2641.97 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 277 at 19 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 1003 40 165 9 -2.3 8.7 | 117 24 -21.0 10.9 1 1000 62 165 9 -2.3 8.7 | 117 24 -21.0 10.9 2 925 642 180 33 0.0 33.0 | 152 40 -18.7 35.3 3 850 1271 225 13 9.2 9.2 | 140 15 -9.5 11.4 4 700 2754 260 23 22.7 4.0 | 212 7 3.9 6.2 5 500 5220 260 33 32.5 5.7 | 240 16 13.8 8.0 6 400 6760 260 36 35.5 6.3 | 243 19 16.7 8.5 7 300 8640 260 40 39.4 6.9 | 246 23 20.7 9.2 8 250 9780 260 38 37.4 6.6 | 245 21 18.7 8.9 9 200 11170 285 31 29.9 -8.0 | 297 13 11.2 -5.8 10 150 12970 300 35 30.3 -17.5 | 323 19 11.6 -15.2 11 100 15480 320 38 24.4 -29.1 | 348 27 5.7 -26.9 Wind Parameters Mean winds (0-6000m): 246.9 at 25.1 knts Storm direction: 276.9 at 18.9 knts Shear (0-3000m) pos: 4.5 neg: 0.0 tot: 4.5 10-3/s Storm rel Dir Shear (0-3000m): 100.7 deg Storm rel helicity (0-3000m) pos: 219.9 neg: -23.5 tot: 196.4 m^2/s^2 ave: 65.5 10^-3 m/s^2 rel: 0.45 Storm rel vorticity (0-3000m) horiz: 11.5 stream: 5.2 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.13 Bulk Shear: 92.01 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 ------------------------------------------------------------------------------- 500 174 18 135 29| 20.6 0.0 20.6|121.7 0.0 121.7 243.5 0.76| 20.8 15.8 1000 183 23 145 31| 7.8 0.0 7.8|184.2 -3.5 180.7 180.7 0.49| 22.1 10.9 1500 190 21 146 27| 4.8 0.0 4.8|189.6 -23.5 166.2 110.8 0.35| 18.3 6.3 2000 199 20 149 24| 4.8 0.0 4.8|202.1 -23.5 178.7 89.3 0.38| 15.0 5.7 2500 211 20 155 21| 4.8 0.0 4.8|213.5 -23.5 190.0 76.0 0.42| 13.1 5.5 3000 221 20 162 18| 4.5 0.0 4.5|219.9 -23.5 196.4 65.5 0.45| 11.5 5.2 4000 234 22 175 15| 3.4 0.5 3.9|225.8 -23.5 202.3 50.6 0.45| 9.1 4.2 5000 242 23 189 13| 2.7 0.8 3.6|231.6 -23.5 208.1 41.6 0.45| 7.7 3.5 6000 247 25 200 13| 2.3 0.9 3.2|235.0 -23.5 211.5 35.3 0.45| 6.6 3.0 Wrote GIF file: /home/apache/climate/data/raob//U3472/skewt/U3472.skewt.20251201.12.gif