UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121112.upa.cvt Date: 1200Z 11 DEC 25 Searching for U3921... Searching the city database file for: U3921 ... Date:1200Z 11 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 83 180 5 SFC 999 91 -5.9 -10.6 69 4.7 -7.2 180 5 267.3 267.6 266.0 272.0 1.70 2 925 693 -8.9 -13.4 70 4.5 -10.1 235 17 270.2 270.4 267.5 274.3 1.47 3 909 827 -9.3 -12.8 76 3.5 -10.2 242 20 271.1 271.4 268.4 275.5 1.57 4 851 1335 -8.1 -9.6 89 1.5 -8.6 270 33 277.6 277.9 273.3 283.7 2.17 5 850 1344 -7.9 -9.4 89 1.5 -8.4 270 33 277.9 278.2 273.5 284.1 2.20 6 844 1399 -6.9 -8.5 88 1.6 -7.4 269 32 279.5 279.9 274.7 286.2 2.38 7 790 1915 -6.9 -12.9 62 6.0 -8.7 261 25 284.8 285.1 276.7 290.1 1.79 8 769 2125 -8.7 -14.7 62 6.0 -10.4 257 22 285.1 285.4 276.5 289.8 1.59 9 700 2845 -15.1 -18.9 73 3.8 -16.0 245 11 285.8 286.0 276.4 289.4 1.23 10 670 3175 -17.5 -20.0 81 2.5 -18.0 247 13 286.7 286.9 276.7 290.2 1.17 11 615 3814 -19.9 -22.3 81 2.4 -20.4 251 18 291.0 291.2 278.7 294.2 1.04 12 604 3948 -20.7 -23.2 80 2.5 -21.2 252 19 291.6 291.8 278.9 294.7 0.98 13 526 4956 -27.9 -32.1 67 4.2 -28.4 258 26 294.7 294.8 279.7 296.3 0.49 14 501 5306 -29.1 -34.1 62 5.0 -29.7 260 29 297.4 297.5 280.8 298.8 0.43 15 500 5320 -29.3 -34.3 62 5.0 -29.9 260 29 297.3 297.4 280.8 298.7 0.42 16 469 5774 -30.7 -35.6 62 4.9 -31.2 266 32 301.1 301.1 282.3 302.4 0.39 17 420 6545 -37.1 -42.1 60 5.0 -37.5 276 38 302.5 302.6 282.7 303.3 0.22 18 400 6880 -38.7 -43.6 60 4.9 -39.0 280 40 304.7 304.7 283.5 305.4 0.20 19 391 7036 -39.7 -44.4 61 4.7 -40.0 280 41 305.4 305.4 283.8 306.0 0.19 20 300 8790 -54.5 -59.4 55 4.9 -54.6 280 48 308.5 308.5 284.8 308.7 0.04 21 295 8897 -55.7 -60.6 54 4.9 -55.8 280 48 308.3 308.3 284.7 308.5 0.04 22 271 9433 -58.3 -63.3 53 5.0 -58.4 277 47 312.1 312.1 286.1 312.2 0.03 23 261 9669 -57.3 -62.3 53 5.0 -57.4 276 46 317.0 317.0 287.8 317.1 0.03 24 250 9940 -58.7 -63.7 52 5.0 -58.7 275 46 318.8 318.8 288.4 318.9 0.03 25 236 10299 -60.7 -65.5 53 4.8 -60.7 277 45 321.1 321.1 289.1 321.2 0.02 26 211 10991 -62.9 -67.9 51 5.0 -63.0 280 42 328.1 328.1 291.2 328.2 0.02 27 206 11138 -63.1 -68.1 51 5.0 -63.1 280 43 330.0 330.0 291.7 330.1 0.02 28 200 11320 -62.3 -67.3 51 5.0 -62.4 280 44 334.1 334.1 292.9 334.2 0.02 29 195 11476 -61.5 -66.5 51 5.0 -61.6 280 45 337.8 337.8 293.8 337.9 0.03 30 157 12804 -66.3 -71.3 49 5.0 -66.4 284 54 351.3 351.3 296.9 351.3 0.02 31 150 13080 -66.1 -71.1 49 5.0 -66.1 285 56 356.2 356.2 298.0 356.3 0.02 32 139 13543 -64.8 -69.8 50 5.0 -64.9 290 60 366.3 366.3 299.9 366.4 0.02 33 138 13587 -64.7 -69.7 50 5.0 -64.8 290 60 367.3 367.3 300.1 367.4 0.02 34 100 15540 -67.5 -73.5 42 6.0 -67.6 300 48 397.3 397.3 304.9 397.4 0.02 35 81 16797 -71.5 -77.5 40 6.0 -71.5 413.8 413.8 307.0 413.8 0.01 TRP 211 10991 -62.9 -67.9 51 5.0 -63.0 280 42 328.1 328.1 291.2 328.2 0.02 WND 139 13543 -64.8 -69.8 50 5.0 -64.9 290 60 366.3 366.3 299.9 366.4 0.02 Sounding variables and indices 1000-500 mb thick: 5237.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.30 inches Sfc-500 mean rel hum: 73.66 % Est. max temperature: 4.91 C = 40.83 F Sfc-Lift cond lev (LCL): 927.06 mb = 675.63 m = 2216.61 ft T: -8.81 C 700-500 lapse rate: 5.74 C/km ThetaE index: 0.63 C Layer 769.0- 670.0 mb Conv cond level (CCL): 686.52 mb = 2991.40 m = 9814.20 ft Mean mixing ratio: 1.58 g/kg Conv temperature: 12.94 C = 55.29 F Cap Strength: 19.63 C Lifted Index: 19.55 C Risk: None Lifted Index @300 mb: 24.64 C Lifted Index @700 mb: 12.36 C Showalter Index: 11.40 C Risk: None Total Totals Index: 41.30 C Risk: None Vertical Totals Index: 21.40 C Cross Totals Index: 19.90 C K Index: 8.20 Risk: None Sweat Index: 95.00 Risk: None Energy Index: 3.07 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.00 J/kg Max Up Vert Vel: 5.29 m/s Conv Inhibition (B-): 22784.29 J/kg Cap Strength: 19.42 C Lift Cond Lev (LCL): 883.84 mb = 1043.30 m = 3422.84 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 289 at 16 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 ---------------------------------------------------------- 0 999 91 180 5 0.0 5.0 | 123 18 -15.4 10.2 1 925 693 235 17 13.9 9.8 | 174 15 -1.5 14.9 2 850 1344 270 33 33.0 -0.0 | 254 18 17.6 5.2 3 700 2845 245 11 10.0 4.6 | 151 11 -5.4 9.8 4 500 5320 260 29 28.6 5.0 | 232 17 13.1 10.2 5 400 6880 280 40 39.4 -6.9 | 274 24 24.0 -1.8 6 300 8790 280 48 47.3 -8.3 | 276 32 31.9 -3.2 7 250 9940 275 46 45.8 -4.0 | 268 30 30.4 1.2 8 211 10991 280 42 41.4 -7.3 | 275 26 25.9 -2.1 9 200 11320 280 44 43.3 -7.6 | 275 28 27.9 -2.5 10 150 13080 285 56 54.1 -14.5 | 284 40 38.7 -9.3 11 139 13543 290 60 56.4 -20.5 | 291 44 41.0 -15.3 12 100 15540 300 48 41.6 -24.0 | 306 32 26.2 -18.8 Wind Parameters Mean winds (0-6000m): 258.6 at 21.7 knts Storm direction: 288.6 at 16.3 knts Shear (0-3000m) pos: 5.0 neg: 3.1 tot: 8.1 10-3/s Storm rel Dir Shear (0-3000m): 36.8 deg Storm rel helicity (0-3000m) pos: 163.3 neg: -69.1 tot: 94.2 m^2/s^2 ave: 31.4 10^-3 m/s^2 rel: 0.28 Storm rel vorticity (0-3000m) horiz: 10.6 stream: 2.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.46 Bulk Shear: 30.30 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 ------------------------------------------------------------------------------- 500 221 10 145 16| 12.4 0.0 12.4| 59.3 0.0 59.3 118.6 0.97| 13.2 12.9 1000 238 15 170 14| 13.4 0.0 13.4|122.1 0.0 122.1 122.1 0.98| 14.9 14.5 1500 254 20 200 12| 10.1 0.0 10.1|159.1 -12.0 147.1 98.1 0.83| 14.1 11.6 2000 257 22 209 12| 7.6 2.1 9.7|159.1 -37.4 121.7 60.8 0.54| 12.7 6.9 2500 257 21 208 11| 6.1 3.3 9.3|159.1 -59.3 99.8 39.9 0.33| 11.8 3.9 3000 257 20 202 10| 5.0 3.1 8.1|163.3 -69.1 94.2 31.4 0.28| 10.6 2.9 4000 256 19 196 10| 4.7 2.3 7.0|184.9 -69.1 115.8 28.9 0.35| 8.9 3.2 5000 256 20 201 11| 4.6 1.8 6.4|208.7 -69.1 139.6 27.9 0.40| 8.0 3.2 6000 259 22 212 11| 4.5 1.5 6.0|248.5 -69.1 179.4 29.9 0.46| 7.4 3.4 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20251211.12.gif