UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121200.upa.cvt Date: 0000Z 12 DEC 25 Searching for U3921... Searching the city database file for: U3921 ... Date:0000Z 12 DEC 25 Station: U3921 WMO ident: 23921 Latitude: 60.68 Longitude: 60.43 ------------------------------------------------------------------------------- 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 17 SFC 990 95 -7.5 -10.2 81 2.7 -8.2 155 3 266.4 266.7 265.5 271.2 1.77 2 925 622 -9.3 -13.8 70 4.5 -10.4 245 13 269.8 270.0 267.2 273.8 1.42 3 850 1279 -6.7 -9.0 84 2.3 -7.4 260 27 279.1 279.5 274.3 285.6 2.27 4 832 1446 -6.3 -8.5 84 2.2 -7.0 261 27 281.3 281.7 275.7 288.2 2.42 5 775 2000 -7.1 -9.6 82 2.5 -7.9 262 27 286.2 286.6 278.2 293.1 2.38 6 700 2784 -13.5 -16.5 78 3.0 -14.3 265 27 287.5 287.8 277.7 292.0 1.50 7 691 2882 -14.3 -17.1 79 2.8 -15.0 265 27 287.7 288.0 277.7 292.1 1.45 8 680 3004 -14.7 -17.4 80 2.7 -15.4 265 28 288.6 288.8 278.1 292.9 1.43 9 666 3162 -14.5 -17.9 75 3.4 -15.3 266 29 290.5 290.8 279.0 294.8 1.40 10 518 5009 -30.3 -35.3 62 5.0 -30.8 269 37 293.1 293.2 278.8 294.3 0.37 11 500 5260 -31.7 -36.7 61 5.0 -32.1 270 38 294.4 294.4 279.3 295.5 0.33 12 447 6042 -36.1 -43.1 48 7.0 -36.6 273 46 298.4 298.5 280.9 299.1 0.19 13 403 6750 -41.7 -49.7 42 8.0 -42.1 275 53 300.2 300.2 281.5 300.5 0.10 14 400 6800 -41.9 -49.9 41 8.0 -42.2 275 54 300.5 300.6 281.7 300.9 0.10 15 378 7181 -44.1 -53.1 36 9.0 -44.4 275 57 302.5 302.5 282.5 302.8 0.07 16 370 7325 -43.5 -52.5 36 9.0 -43.9 275 58 305.2 305.2 283.6 305.5 0.08 17 342 7850 -46.4 -56.2 32 9.8 -46.7 275 62 308.2 308.2 284.7 308.4 0.06 18 300 8710 -51.3 -62.3 26 11.0 -51.5 275 56 313.0 313.0 286.4 313.2 0.03 19 292 8885 -52.7 -63.7 25 11.0 -52.9 276 55 313.5 313.5 286.6 313.6 0.02 20 289 8952 -53.1 -64.1 25 11.0 -53.3 277 55 313.8 313.8 286.7 313.9 0.02 21 250 9880 -56.1 -67.1 24 11.0 -56.2 285 50 322.7 322.7 289.6 322.7 0.02 22 207 11066 -61.1 -72.1 22 11.0 -61.2 270 48 332.7 332.7 292.4 332.8 0.01 23 200 11280 -60.5 -71.5 22 11.0 -60.6 270 46 337.0 337.0 293.6 337.0 0.01 24 190 11599 -60.5 -72.5 19 12.0 -60.6 271 47 341.9 341.9 294.8 342.0 0.01 25 150 13060 -63.1 -75.1 18 12.0 -63.2 275 52 361.4 361.4 299.0 361.4 0.01 26 100 15530 -67.3 -79.3 17 12.0 -67.4 285 44 397.7 397.7 304.9 397.7 0.01 27 70 17640 -73.1 -85.1 14 12.0 -73.2 290 44 428.0 428.0 308.6 428.0 0.00 28 67 17896 -73.7 -85.7 14 12.0 -73.7 292 44 432.1 432.1 309.0 432.1 0.00 29 62 18352 -72.1 -84.1 15 12.0 -72.2 295 43 445.3 445.3 310.4 445.4 0.01 30 50 19610 -74.9 -86.9 14 12.0 -75.0 305 42 467.0 467.0 312.4 467.0 0.00 31 38 21197 -76.5 -88.5 13 12.0 -76.6 501.0 501.0 315.0 501.1 0.00 TRP 207 11066 -61.1 -72.1 22 11.0 -61.2 270 48 332.7 332.7 292.4 332.8 0.01 WND 342 7850 -46.4 -56.2 32 9.8 -46.7 275 62 308.2 308.2 284.7 308.4 0.06 Sounding variables and indices 1000-500 mb thick: 5243.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.31 inches Sfc-500 mean rel hum: 74.31 % Est. max temperature: 6.35 C = 43.43 F Sfc-Lift cond lev (LCL): 948.25 mb = 429.45 m = 1408.95 ft T: -8.64 C 700-500 lapse rate: 7.35 C/km ThetaE index: 1.07 C Layer 700.0- 691.0 mb Conv cond level (CCL): 641.72 mb = 3434.71 m = 11268.59 ft Mean mixing ratio: 1.60 g/kg Conv temperature: 17.00 C = 62.61 F Cap Strength: 16.20 C Lifted Index: 17.03 C Risk: None Lifted Index @300 mb: 27.75 C Lifted Index @700 mb: 13.84 C Showalter Index: 7.89 C Risk: None Total Totals Index: 47.70 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.00 C Cross Totals Index: 22.70 C K Index: 13.00 Risk: None Sweat Index: 92.00 Risk: None Energy Index: 2.12 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 26.84 J/kg Max Up Vert Vel: 7.33 m/s Conv Inhibition (B-): 35346.80 J/kg Cap Strength: 16.86 C Lift Cond Lev (LCL): 884.56 mb = 969.36 m = 3180.28 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 296 at 22 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 ---------------------------------------------------------- 0 990 95 155 3 -1.3 2.7 | 120 24 -21.0 12.3 1 925 622 245 13 11.8 5.5 | 152 17 -7.9 15.0 2 850 1279 260 27 26.6 4.7 | 206 16 6.9 14.2 3 700 2784 265 27 26.9 2.4 | 211 14 7.2 11.9 4 500 5260 270 38 38.0 -0.0 | 242 21 18.3 9.5 5 400 6800 275 54 53.8 -4.7 | 262 34 34.1 4.8 6 342 7850 275 62 61.8 -5.4 | 264 42 42.1 4.1 7 300 8710 275 56 55.8 -4.9 | 263 36 36.1 4.7 8 250 9880 285 50 48.3 -12.9 | 277 29 28.6 -3.4 9 207 11066 270 48 48.0 -0.0 | 251 30 28.3 9.5 10 200 11280 270 46 46.0 -0.0 | 250 28 26.3 9.5 11 150 13060 275 52 51.8 -4.5 | 261 33 32.1 5.0 12 100 15530 285 44 42.5 -11.4 | 275 23 22.8 -1.8 13 70 17640 290 44 41.3 -15.0 | 284 22 21.7 -5.5 14 50 19610 305 42 34.4 -24.1 | 315 21 14.7 -14.5 Wind Parameters Mean winds (0-6000m): 265.9 at 29.2 knts Storm direction: 295.9 at 21.9 knts Shear (0-3000m) pos: 5.1 neg: 0.0 tot: 5.1 10-3/s Storm rel Dir Shear (0-3000m): 96.0 deg Storm rel helicity (0-3000m) pos: 149.1 neg: 0.0 tot: 149.1 m^2/s^2 ave: 49.7 10^-3 m/s^2 rel: 0.87 Storm rel vorticity (0-3000m) horiz: 6.0 stream: 5.2 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.37 Bulk Shear: 71.59 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 ------------------------------------------------------------------------------- 500 231 8 137 20| 13.0 0.0 13.0| 74.4 0.0 74.4 148.7 0.81| 15.5 12.5 1000 246 13 151 17| 12.3 0.0 12.3|121.2 0.0 121.2 121.2 0.87| 13.7 11.9 1500 254 17 167 15| 9.6 0.0 9.6|140.1 0.0 140.1 93.4 0.88| 10.8 9.5 2000 257 20 177 14| 7.2 0.0 7.2|141.9 0.0 141.9 70.9 0.88| 8.3 7.3 2500 258 21 184 14| 5.8 0.0 5.8|143.7 0.0 143.7 57.5 0.87| 6.8 5.9 3000 260 22 189 14| 5.1 0.0 5.1|149.1 0.0 149.1 49.7 0.87| 6.0 5.2 4000 262 24 199 14| 4.4 0.0 4.4|164.9 0.0 164.9 41.2 0.86| 5.1 4.4 5000 264 27 209 14| 4.0 0.0 4.0|181.8 0.0 181.8 36.4 0.85| 4.5 3.9 6000 266 29 219 15| 4.1 0.0 4.1|217.5 0.0 217.5 36.2 0.80| 4.6 3.7 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20251212.00.gif