UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120612.upa.cvt Date: 1200Z 6 DEC 25 Searching for U3921... Searching the city database file for: U3921 ... Date:1200Z 6 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 ------------------------------------------------------------------------------- SFC 1018 91 -15.3 -19.2 72 3.9 -16.0 10 3 256.5 256.7 256.1 258.8 0.82 1 1000 225 -17.1 -22.1 65 5.0 -17.9 10 7 256.0 256.2 255.3 257.8 0.65 2 938 701 -20.7 -24.6 71 3.9 -21.2 6 12 257.1 257.2 256.0 258.6 0.55 3 925 805 -17.7 -21.2 74 3.5 -18.3 5 13 261.2 261.3 259.7 263.3 0.76 4 898 1029 -12.3 -14.2 86 1.9 -12.8 351 13 269.0 269.2 266.7 272.9 1.42 5 857 1387 -11.1 -12.4 90 1.3 -11.5 329 13 273.9 274.2 270.4 278.7 1.72 6 850 1450 -11.3 -12.6 90 1.3 -11.6 325 13 274.3 274.6 270.6 279.1 1.71 7 730 2601 -18.7 -20.8 83 2.1 -19.1 309 21 278.4 278.6 271.9 281.4 1.00 8 718 2724 -20.3 -23.3 77 3.0 -20.8 308 22 278.0 278.1 271.4 280.4 0.81 9 700 2912 -20.7 -25.7 64 5.0 -21.5 305 23 279.6 279.7 272.1 281.6 0.67 10 649 3471 -21.1 -31.1 40 10.0 -22.5 303 27 285.2 285.3 274.9 286.6 0.44 11 641 3562 -21.1 -30.1 44 9.0 -22.4 302 28 286.2 286.3 275.5 287.8 0.49 12 551 4662 -28.7 -32.5 70 3.8 -29.1 298 37 289.9 290.0 277.3 291.3 0.45 13 500 5350 -33.9 -37.8 68 3.9 -34.2 295 42 291.7 291.8 278.0 292.7 0.29 14 408 6738 -44.3 -48.4 64 4.1 -44.5 290 47 295.7 295.8 279.6 296.1 0.12 15 400 6870 -45.1 -49.1 64 4.0 -45.3 290 48 296.4 296.4 279.9 296.8 0.11 16 362 7533 -47.3 -51.0 66 3.7 -47.4 290 53 302.0 302.0 282.3 302.4 0.10 17 300 8750 -56.3 -59.9 64 3.6 -56.3 290 62 306.0 306.0 283.8 306.1 0.04 18 287 9030 -58.5 -62.4 61 3.9 -58.6 290 64 306.7 306.8 284.1 306.9 0.03 19 285 9074 -58.7 -62.6 61 3.9 -58.7 290 64 307.1 307.1 284.2 307.2 0.03 20 250 9890 -62.1 -65.8 61 3.7 -62.1 290 58 313.7 313.7 286.7 313.8 0.02 21 249 9915 -62.3 -66.1 60 3.8 -62.3 290 58 313.8 313.8 286.7 313.9 0.02 22 236 10247 -62.7 -66.6 59 3.9 -62.7 291 56 318.1 318.1 288.1 318.1 0.02 23 200 11280 -59.1 -63.3 58 4.2 -59.2 295 48 339.2 339.2 294.1 339.3 0.04 24 176 12079 -58.3 -62.8 56 4.5 -58.4 295 47 353.1 353.1 297.4 353.3 0.05 25 150 13080 -58.9 -63.9 52 5.0 -59.0 295 46 368.6 368.6 300.4 368.8 0.05 26 119 14530 -59.1 -65.1 46 6.0 -59.3 292 44 393.5 393.5 304.3 393.7 0.05 27 100 15610 -62.7 -69.7 38 7.0 -62.9 290 42 406.6 406.6 306.1 406.7 0.03 28 70 17800 -66.5 -74.5 32 8.0 -66.6 290 40 442.1 442.1 310.1 442.2 0.02 29 50 19810 -71.5 -79.5 29 8.0 -71.6 290 42 475.0 475.0 313.1 475.1 0.01 30 32 22415 -76.3 -84.3 27 8.0 -76.4 526.8 526.8 316.7 526.9 0.01 TRP 249 9915 -62.3 -66.1 60 3.8 -62.3 290 58 313.8 313.8 286.7 313.9 0.02 WND 285 9074 -58.7 -62.6 61 3.9 -58.7 290 64 307.1 307.1 284.2 307.2 0.03 Sounding variables and indices 1000-500 mb thick: 5125.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.19 inches Sfc-500 mean rel hum: 70.17 % Est. max temperature: 0.78 C = 33.40 F Sfc-Lift cond lev (LCL): 955.28 mb = 565.42 m = 1855.02 ft T: -19.67 C 700-500 lapse rate: 5.41 C/km ThetaE index: 0.96 C Layer 718.0- 700.0 mb Conv cond level (CCL): 551.18 mb = 4659.81 m = 15287.90 ft Mean mixing ratio: 0.65 g/kg Conv temperature: 18.20 C = 64.77 F Cap Strength: 26.07 C Lifted Index: 26.84 C Risk: None Lifted Index @300 mb: 33.27 C Lifted Index @700 mb: 18.95 C Showalter Index: 10.73 C Risk: None Total Totals Index: 43.90 C Risk: None Vertical Totals Index: 22.60 C Cross Totals Index: 21.30 C K Index: 5.00 Risk: None Sweat Index: 68.00 Risk: None Energy Index: 2.83 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 18.16 J/kg Max Up Vert Vel: 6.03 m/s Conv Inhibition (B-): 48213.30 J/kg Cap Strength: 26.79 C Lift Cond Lev (LCL): 902.78 mb = 988.89 m = 3244.36 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 334 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 1018 91 10 3 -0.5 -3.0 | 148 17 -8.9 14.4 1 1000 225 10 7 -1.2 -6.9 | 138 14 -9.5 10.4 2 925 805 5 13 -1.1 -13.0 | 115 10 -9.5 4.4 3 850 1450 325 13 7.5 -10.6 | 173 7 -0.9 6.7 4 700 2912 305 23 18.8 -13.2 | 249 11 10.5 4.1 5 500 5350 295 42 38.1 -17.7 | 271 30 29.7 -0.4 6 400 6870 290 48 45.1 -16.4 | 269 37 36.8 0.9 7 300 8750 290 62 58.3 -21.2 | 274 50 49.9 -3.9 8 285 9074 290 64 60.1 -21.9 | 275 52 51.8 -4.6 9 250 9890 290 58 54.5 -19.8 | 273 46 46.2 -2.5 10 249 9915 290 58 54.5 -19.8 | 273 46 46.2 -2.5 11 200 11280 295 48 43.5 -20.3 | 275 35 35.2 -3.0 12 150 13080 295 46 41.7 -19.4 | 274 33 33.4 -2.1 13 100 15610 290 42 39.5 -14.4 | 265 31 31.1 3.0 14 70 17800 290 40 37.6 -13.7 | 263 29 29.3 3.6 15 50 19810 290 42 39.5 -14.4 | 265 31 31.1 3.0 Wind Parameters Mean winds (0-6000m): 304.3 at 25.6 knts Storm direction: 334.3 at 19.2 knts Shear (0-3000m) pos: 0.0 neg: 4.0 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): 104.7 deg Storm rel helicity (0-3000m) pos: 31.8 neg: -26.8 tot: 4.9 m^2/s^2 ave: 1.6 10^-3 m/s^2 rel: 0.28 Storm rel vorticity (0-3000m) horiz: 5.5 stream: 1.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.25 Bulk Shear: 71.84 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 8 8 135 13| 0.0 8.0 8.0| 0.0 -21.7 -21.7 -43.5 -0.75| 8.0 -6.0 1000 3 10 129 11| 0.0 5.3 5.3| 4.8 -26.8 -22.0 -22.0 -0.39| 7.2 -2.8 1500 352 11 133 9| 0.0 4.2 4.2| 14.4 -26.8 -12.4 -8.3 0.01| 6.8 0.1 2000 341 12 142 7| 0.0 4.1 4.1| 20.3 -26.8 -6.6 -3.3 0.17| 6.1 1.0 2500 332 14 159 6| 0.0 4.0 4.0| 25.9 -26.8 -1.0 -0.4 0.25| 5.8 1.4 3000 325 15 184 5| 0.0 4.0 4.0| 31.8 -26.8 4.9 1.6 0.28| 5.5 1.6 4000 316 18 226 6| 0.0 4.0 4.0| 46.3 -26.8 19.5 4.9 0.32| 5.2 1.6 5000 309 22 248 9| 0.0 4.0 4.0| 55.6 -26.8 28.7 5.7 0.29| 5.0 1.5 6000 304 26 257 13| 0.0 3.8 3.8| 56.6 -31.1 25.5 4.2 0.26| 4.6 1.2 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20251206.12.gif