UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120812.upa.cvt Date: 1200Z 8 DEC 25 Searching for UNNT... Searching the city database file for: UNNT ... Date:1200Z 8 DEC 25 Station: UNNT WMO ident: 29634 Latitude: 55.03 Longitude: 82.90 Elevation: 177.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1014 177 -21.9 -23.9 84 2.0 -22.1 30 5 250.3 250.3 250.1 251.7 0.55 1 1000 249 -21.3 -24.8 73 3.5 -21.7 25 7 251.9 251.9 251.4 253.2 0.51 2 925 833 -17.7 -26.7 45 9.0 -18.9 15 11 261.2 261.3 259.1 262.5 0.46 3 905 997 -16.9 -26.9 42 10.0 -18.3 12 13 263.7 263.7 261.0 265.0 0.47 4 850 1467 -17.5 -29.5 34 12.0 -19.1 5 17 267.8 267.9 263.9 269.0 0.39 5 761 2293 -19.3 -33.3 28 14.0 -21.0 331 22 274.5 274.5 268.2 275.4 0.30 6 700 2910 -22.5 -38.5 22 16.0 -24.0 305 25 277.6 277.6 270.0 278.2 0.20 7 651 3437 -24.3 -42.3 17 18.0 -25.8 299 27 281.4 281.4 272.2 281.8 0.14 8 508 5191 -36.3 -42.3 54 6.0 -36.7 276 35 287.5 287.5 275.7 288.1 0.18 9 500 5300 -36.9 -42.9 54 6.0 -37.2 275 35 288.0 288.1 275.9 288.6 0.17 10 457 5924 -41.1 -47.1 52 6.0 -41.3 275 39 290.3 290.3 277.0 290.7 0.12 11 400 6830 -45.7 -51.7 51 6.0 -45.9 275 46 295.6 295.6 279.5 295.9 0.08 12 311 8463 -57.3 275 58 301.5 13 300 8690 -58.3 275 60 303.2 14 255 9699 -63.5 275 68 309.9 15 250 9820 -64.1 275 64 310.8 16 200 11190 -61.5 280 56 335.4 17 167 12311 -60.1 277 51 355.5 18 150 12980 -60.5 275 48 365.9 19 100 15500 -61.7 270 44 408.5 20 83 16645 -63.3 267 46 427.6 21 70 17680 -66.5 265 48 442.1 22 57 18917 -68.7 262 52 463.9 23 50 19700 -69.5 260 54 479.7 24 33 22168 -71.3 535.5 TRP 255 9699 -64.3 275 68 308.7 WND 255 9699 -63.5 275 68 309.9 Sounding variables and indices 1000-500 mb thick: 5051.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.07 inches Sfc-500 mean rel hum: 36.30 % Est. max temperature: -5.36 C = 22.35 F Sfc-Lift cond lev (LCL): 981.04 mb = 392.36 m = 1287.24 ft T: -20.42 C 700-500 lapse rate: 6.03 C/km Conv cond level (CCL): 561.62 mb = 4481.17 m = 14701.83 ft Mean mixing ratio: 0.49 g/kg Conv temperature: 13.05 C = 55.49 F Cap Strength: 24.50 C Lifted Index: 24.90 C Risk: None Lifted Index @300 mb: 32.15 C Lifted Index @700 mb: 18.29 C Showalter Index: 15.81 C Risk: None Total Totals Index: 26.80 C Risk: None Vertical Totals Index: 19.40 C Cross Totals Index: 7.40 C K Index: -26.10 Risk: None Sweat Index: 69.00 Risk: None Energy Index: 4.16 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.07 J/kg Max Up Vert Vel: 5.49 m/s Conv Inhibition (B-): 44116.92 J/kg Cap Strength: 24.49 C Lift Cond Lev (LCL): 869.69 mb = 1295.31 m = 4249.65 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 328 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 1014 177 30 5 -2.5 -4.3 | 133 17 -12.4 11.7 1 1000 249 25 7 -3.0 -6.3 | 127 16 -12.8 9.7 2 925 833 15 11 -2.8 -10.6 | 113 14 -12.7 5.4 3 850 1467 5 17 -1.5 -16.9 | 85 11 -11.4 -0.9 4 700 2910 305 25 20.5 -14.3 | 261 11 10.6 1.7 5 500 5300 275 35 34.9 -3.1 | 243 28 25.0 13.0 6 400 6830 275 46 45.8 -4.0 | 252 38 35.9 12.0 7 300 8690 275 60 59.8 -5.2 | 258 51 49.9 10.8 8 255 9699 275 68 67.7 -5.9 | 260 59 57.9 10.1 9 250 9820 275 64 63.8 -5.6 | 259 55 53.9 10.4 10 200 11190 280 56 55.1 -9.7 | 262 46 45.3 6.3 11 150 12980 275 48 47.8 -4.2 | 253 40 37.9 11.8 12 100 15500 270 44 44.0 -0.0 | 245 38 34.1 16.0 13 70 17680 265 48 47.8 4.2 | 242 43 37.9 20.2 14 50 19700 260 54 53.2 9.4 | 240 50 43.3 25.4 Wind Parameters Mean winds (0-6000m): 298.3 at 25.1 knts Storm direction: 328.3 at 18.8 knts Shear (0-3000m) pos: 0.0 neg: 4.5 tot: 4.5 10-3/s Storm rel Dir Shear (0-3000m): 126.1 deg Storm rel helicity (0-3000m) pos: 0.0 neg: -67.2 tot: -67.2 m^2/s^2 ave: -22.4 10^-3 m/s^2 rel: -0.72 Storm rel vorticity (0-3000m) horiz: 6.5 stream: -4.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.18 Bulk Shear: 85.48 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 22 8 124 15| 0.0 5.3 5.3| 0.0 -18.8 -18.8 -37.7 -0.87| 5.3 -4.6 1000 16 10 117 14| 0.0 5.0 5.0| 0.0 -33.5 -33.5 -33.5 -0.88| 5.1 -4.5 1500 11 12 109 13| 0.0 4.9 4.9| 0.0 -46.7 -46.7 -31.1 -0.83| 5.4 -4.5 2000 2 14 102 11| 0.0 4.8 4.8| 0.0 -54.0 -54.0 -27.0 -0.77| 6.0 -4.7 2500 350 16 95 7| 0.0 4.7 4.7| 0.0 -61.0 -61.0 -24.4 -0.78| 6.6 -5.1 3000 339 17 92 4| 0.0 4.5 4.5| 0.0 -67.2 -67.2 -22.4 -0.72| 6.5 -4.7 4000 322 20 260 2| 0.0 4.1 4.1| 0.0 -76.4 -76.4 -19.1 -0.65| 5.9 -3.8 5000 308 22 254 8| 0.0 3.8 3.8| 0.0 -97.8 -97.8 -19.6 -0.61| 5.5 -3.4 6000 298 25 251 13| 0.0 3.7 3.7| 24.4-100.8 -76.4 -12.7 -0.50| 5.2 -2.6 Wrote GIF file: /home/apache/climate/data/raob//UNNT/skewt/UNNT.skewt.20251208.12.gif