UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025110612.upa.cvt Date: 1200Z 6 NOV 25 Searching for U3921... Searching the city database file for: U3921 ... Date:1200Z 6 NOV 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 69 150 1 SFC 997 93 0.8 -0.1 94 0.9 0.4 150 1 274.2 274.8 273.7 284.5 3.80 2 986 182 -0.5 -2.1 89 1.6 -1.1 170 2 273.8 274.3 272.8 282.8 3.32 3 966 346 0.0 -1.4 90 1.4 -0.6 207 3 275.9 276.5 274.3 285.6 3.57 4 925 693 -1.5 -3.6 86 2.1 -2.3 285 5 277.8 278.3 274.9 286.6 3.16 5 850 1363 -3.5 -5.1 89 1.6 -4.1 285 13 282.5 283.0 277.3 291.2 3.07 6 788 1960 -4.9 -6.5 89 1.6 -5.5 295 18 287.2 287.7 279.4 295.8 2.98 7 700 2882 -10.3 -12.3 85 2.0 -10.9 310 27 291.1 291.5 280.2 297.4 2.12 8 604 3999 -17.7 -19.7 84 2.0 -18.1 310 30 295.1 295.3 281.0 299.2 1.33 9 500 5380 -28.5 -33.2 64 4.7 -29.1 310 33 298.3 298.4 281.3 299.8 0.47 10 400 6940 -40.3 -46.3 53 6.0 -40.6 295 36 302.6 302.6 282.7 303.1 0.15 11 358 7691 -45.7 -51.7 51 6.0 -45.9 299 44 305.1 305.1 283.6 305.5 0.09 12 300 8860 -51.1 -57.1 49 6.0 -51.2 305 58 313.3 313.3 286.6 313.5 0.06 13 292 9034 -52.0 -58.0 48 6.0 -52.2 305 60 314.4 314.5 286.9 314.6 0.05 14 250 10020 -57.3 -63.3 46 6.0 -57.4 305 52 320.9 320.9 289.0 321.0 0.03 15 244 10173 -57.9 -63.9 46 6.0 -58.0 305 50 322.2 322.2 289.5 322.3 0.03 16 238 10329 -57.1 -63.1 46 6.0 -57.2 306 48 325.7 325.7 290.5 325.9 0.03 17 200 11430 -55.7 -62.7 41 7.0 -55.8 310 38 344.6 344.6 295.4 344.7 0.04 18 150 13250 -56.9 -64.9 36 8.0 -57.1 305 44 372.0 372.1 300.9 372.2 0.04 19 134 13965 -57.1 -65.1 36 8.0 -57.3 305 42 383.9 383.9 302.9 384.1 0.05 20 106 15437 -60.7 -69.7 30 9.0 -60.9 305 39 403.7 403.7 305.7 403.8 0.03 21 100 15800 -60.7 -69.7 30 9.0 -60.9 305 38 410.4 410.5 306.6 410.6 0.03 22 71 17904 -66.3 -76.3 23 10.0 -66.4 310 46 440.8 440.8 310.0 440.8 0.02 23 70 17990 -66.5 -76.5 23 10.0 -66.7 310 46 442.1 442.1 310.1 442.2 0.02 24 50 20020 -67.7 -77.7 23 10.0 -67.9 305 46 484.0 484.0 313.8 484.1 0.02 25 33 22505 -70.9 -80.9 21 10.0 -71.1 293 53 536.5 536.5 317.3 536.6 0.02 26 30 23070 -70.9 -80.9 21 10.0 -71.1 290 54 551.4 551.4 318.2 551.5 0.02 27 22 24920 -68.3 -79.3 19 11.0 -68.7 290 54 610.2 610.3 321.1 610.5 0.03 28 20 25490 -69.9 -79.9 22 10.0 -70.2 290 54 622.2 622.2 321.6 622.5 0.03 29 14 27606 -71.3 -82.3 18 11.0 -71.7 684.3 684.3 323.9 684.5 0.03 TRP 244 10173 -57.9 -63.9 46 6.0 -58.0 305 50 322.2 322.2 289.5 322.3 0.03 WND 292 9034 -52.0 -58.0 48 6.0 -52.2 305 60 314.4 314.5 286.9 314.6 0.05 Sounding variables and indices 1000-500 mb thick: 5311.00 m Freezing level: 990.23 mb = 147.92 m = 485.31 ft Freezing level: 966.00 mb = 346.29 m = 1136.09 ft Freezing level: 966.00 mb = 346.29 m = 1136.09 ft Wetbulb zero: 993.95 mb = 117.70 m = 386.15 ft Precipitable water: 0.48 inches Sfc-500 mean rel hum: 83.37 % Est. max temperature: 9.30 C = 48.75 F Sfc-Lift cond lev (LCL): 982.98 mb = 206.69 m = 678.12 ft T: -0.43 C 700-500 lapse rate: 7.29 C/km ThetaE index: 1.71 C Layer 986.0- 966.0 mb Conv cond level (CCL): 784.73 mb = 1992.50 m = 6537.01 ft Mean mixing ratio: 3.34 g/kg Conv temperature: 13.91 C = 57.03 F Cap Strength: 9.76 C Lifted Index: 10.86 C Risk: None Lifted Index @300 mb: 19.49 C Lifted Index @700 mb: 8.14 C Showalter Index: 6.81 C Risk: None Total Totals Index: 48.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.00 C Cross Totals Index: 23.40 C K Index: 17.90 Risk: < 20 % chance of thunderstorms Sweat Index: 59.00 Risk: None Energy Index: 1.81 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 19.39 J/kg Max Up Vert Vel: 6.23 m/s Conv Inhibition (B-): 48902.12 J/kg Cap Strength: 10.85 C Lift Cond Lev (LCL): 920.47 mb = 731.92 m = 2401.27 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 336 at 17 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 ---------------------------------------------------------- 0 997 93 150 1 -0.5 0.9 | 156 18 -7.5 16.8 1 925 693 285 5 4.8 -1.3 | 172 15 -2.1 14.6 2 850 1363 285 13 12.6 -3.4 | 204 14 5.6 12.5 3 700 2882 310 27 20.7 -17.4 | 276 14 13.7 -1.5 4 500 5380 310 33 25.3 -21.2 | 286 19 18.3 -5.3 5 400 6940 295 36 32.6 -15.2 | 268 26 25.7 0.7 6 300 8860 305 58 47.5 -33.3 | 293 44 40.5 -17.4 7 292 9034 305 60 49.1 -34.4 | 294 46 42.2 -18.5 8 250 10020 305 52 42.6 -29.8 | 291 38 35.6 -13.9 9 244 10173 305 50 41.0 -28.7 | 291 36 34.0 -12.8 10 200 11430 310 38 29.1 -24.4 | 291 24 22.1 -8.5 11 150 13250 305 44 36.0 -25.2 | 288 31 29.1 -9.3 12 100 15800 305 38 31.1 -21.8 | 284 25 24.2 -5.9 13 70 17990 310 46 35.2 -29.6 | 296 31 28.3 -13.7 14 50 20020 305 46 37.7 -26.4 | 289 32 30.7 -10.5 15 30 23070 290 54 50.7 -18.5 | 273 44 43.8 -2.6 16 20 25490 290 54 50.7 -18.5 | 273 44 43.8 -2.6 Wind Parameters Mean winds (0-6000m): 306.3 at 23.1 knts Storm direction: 336.3 at 17.4 knts Shear (0-3000m) pos: 4.9 neg: 0.0 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): 121.2 deg Storm rel helicity (0-3000m) pos: 110.8 neg: 0.0 tot: 110.8 m^2/s^2 ave: 36.9 10^-3 m/s^2 rel: 0.89 Storm rel vorticity (0-3000m) horiz: 5.7 stream: 5.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.34 Bulk Shear: 57.74 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 ------------------------------------------------------------------------------- 500 276 3 165 16| 4.9 0.0 4.9| 23.6 0.0 23.6 47.2 0.77| 6.4 4.9 1000 282 5 171 15| 5.4 0.0 5.4| 41.8 0.0 41.8 41.8 0.75| 6.7 5.0 1500 284 7 181 14| 5.4 0.0 5.4| 61.4 0.0 61.4 40.9 0.82| 6.3 5.2 2000 289 10 190 13| 5.3 0.0 5.3| 79.2 0.0 79.2 39.6 0.86| 6.1 5.2 2500 295 12 201 12| 5.2 0.0 5.2| 98.0 0.0 98.0 39.2 0.88| 6.0 5.3 3000 300 15 214 10| 4.9 0.0 4.9|110.8 0.0 110.8 36.9 0.89| 5.7 5.1 4000 304 18 234 10| 3.7 0.3 4.0|115.7 0.0 115.7 28.9 0.86| 4.6 4.0 5000 306 21 250 11| 2.9 0.5 3.4|120.6 0.0 120.6 24.1 0.84| 3.9 3.3 6000 306 23 259 12| 2.4 0.7 3.1|121.7 -16.5 105.2 17.5 0.68| 3.7 2.5 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20251106.12.gif