UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042800.upa.cvt Date: 0000Z 28 APR 25 Searching for U3921... Searching the city database file for: U3921 ... Date:0000Z 28 APR 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 53 10 3 SFC 995 93 0.2 0.2 100 0.0 0.2 10 3 273.7 274.4 273.6 284.3 3.90 2 925 676 -2.7 -4.0 91 1.3 -3.2 5 19 276.5 277.1 274.0 285.0 3.07 3 912 788 -3.1 -4.4 91 1.3 -3.6 12 17 277.3 277.8 274.3 285.6 3.02 4 850 1346 -2.7 -3.4 95 0.7 -3.0 45 9 283.3 283.9 278.3 293.2 3.50 5 762 2214 -2.1 -2.7 96 0.6 -2.4 138 18 293.0 293.7 283.4 305.0 4.11 6 700 2886 -4.3 -5.3 93 1.0 -4.7 210 25 297.7 298.4 284.8 308.8 3.68 7 664 3300 -6.3 -7.8 89 1.5 -6.9 209 28 300.0 300.6 285.2 309.8 3.20 8 500 5460 -20.5 -23.0 80 2.5 -21.1 205 44 308.0 308.3 286.1 312.0 1.20 9 486 5670 -22.1 -24.6 80 2.5 -22.6 205 45 308.6 308.8 286.1 312.1 1.07 10 400 7070 -33.9 -37.0 73 3.1 -34.2 205 52 310.9 311.0 286.2 312.3 0.40 11 300 9020 -50.0 -54.1 62 4.1 -50.1 235 66 314.9 314.9 287.1 315.2 0.08 12 288 9284 -52.3 -56.5 60 4.2 -52.4 234 65 315.3 315.3 287.3 315.5 0.06 13 250 10180 -58.7 -63.1 57 4.4 -58.7 230 60 318.8 318.8 288.4 318.9 0.03 14 246 10282 -59.3 -63.7 57 4.4 -59.3 230 58 319.4 319.4 288.6 319.5 0.03 15 232 10654 -54.3 -58.7 58 4.4 -54.4 227 54 332.4 332.4 292.4 332.6 0.06 16 215 11143 -54.9 -59.3 58 4.4 -55.0 223 49 338.7 338.8 294.1 339.0 0.06 17 200 11610 -52.3 -56.9 58 4.6 -52.5 220 44 349.9 350.0 296.7 350.3 0.09 18 179 12329 -49.1 -54.0 56 4.9 -49.4 224 42 366.5 366.5 300.0 367.1 0.14 19 150 13480 -50.1 -55.1 55 5.0 -50.4 230 40 383.7 383.8 302.9 384.4 0.14 20 100 16120 -51.1 -58.1 43 7.0 -51.5 235 33 429.0 429.0 308.8 429.8 0.15 21 70 18420 -53.1 -61.1 37 8.0 -53.7 240 35 470.8 470.8 312.8 471.6 0.15 22 50 20580 -54.1 -63.1 32 9.0 -54.9 255 11 516.0 516.0 316.1 517.0 0.16 23 41 21847 -55.1 -65.1 28 10.0 -56.0 247 9 543.6 543.7 317.8 544.6 0.15 24 36 22680 -52.7 -63.7 25 11.0 -54.0 242 8 570.4 570.5 319.3 571.9 0.20 25 30 23850 -54.7 -66.7 21 12.0 -56.0 235 7 595.5 595.6 320.5 596.7 0.16 26 26 24767 -54.3 -68.3 16 14.0 -55.9 224 8 621.5 621.6 321.6 622.7 0.15 27 20 26460 -51.5 -69.5 10 18.0 -54.2 205 11 678.5 678.6 323.7 679.9 0.16 28 14 28800 -46.9 -72.9 4 26.0 -52.3 767.0 767.1 326.4 768.4 0.14 TRP 246 10282 -59.3 -63.7 57 4.4 -59.3 230 58 319.4 319.4 288.6 319.5 0.03 WND 300 9020 -50.0 -54.1 62 4.1 -50.1 235 66 314.9 314.9 287.1 315.2 0.08 Sounding variables and indices 1000-500 mb thick: 5407.00 m Freezing level: 990.17 mb = 133.45 m = 437.82 ft Wetbulb zero: 990.97 mb = 125.66 m = 412.28 ft Precipitable water: 0.67 inches Sfc-500 mean rel hum: 90.12 % Est. max temperature: 10.27 C = 50.49 F Sfc-Lift cond lev (LCL): 994.82 mb = 94.72 m = 310.77 ft T: 0.19 C 700-500 lapse rate: 6.29 C/km ThetaE index: 0.00 C Layer 995.0- 0.0 mb Conv cond level (CCL): 916.06 mb = 752.93 m = 2470.23 ft Mean mixing ratio: 3.35 g/kg Conv temperature: 3.49 C = 38.29 F Cap Strength: 15.83 C Lifted Index: 19.44 C Risk: None Lifted Index @300 mb: 21.10 C Lifted Index @700 mb: 14.66 C Showalter Index: 13.32 C Risk: None Total Totals Index: 34.90 C Risk: None Vertical Totals Index: 17.80 C Cross Totals Index: 17.10 C K Index: 13.40 Risk: None Sweat Index: 62.00 Risk: None Energy Index: 3.95 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 16.95 J/kg Max Up Vert Vel: 5.82 m/s Conv Inhibition (B-): 57036.96 J/kg Cap Strength: 19.41 C Lift Cond Lev (LCL): 932.07 mb = 615.18 m = 2018.28 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 238 at 20 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 ---------------------------------------------------------- 0 995 93 10 3 -0.5 -3.0 | 52 22 -17.5 -13.7 1 925 676 5 19 -1.7 -18.9 | 32 35 -18.6 -29.7 2 850 1346 45 9 -6.4 -6.4 | 54 29 -23.3 -17.1 3 700 2886 210 25 12.5 21.7 | 158 12 -4.5 10.9 4 500 5460 205 44 18.6 39.9 | 183 29 1.6 29.1 5 400 7070 205 52 22.0 47.1 | 188 37 5.0 36.4 6 300 9020 235 66 54.1 37.9 | 234 46 37.1 27.1 7 250 10180 230 60 46.0 38.6 | 226 40 29.0 27.8 8 246 10282 230 58 44.4 37.3 | 226 38 27.5 26.5 9 200 11610 220 44 28.3 33.7 | 206 26 11.3 22.9 10 150 13480 230 40 30.6 25.7 | 222 20 13.7 15.0 11 100 16120 235 33 27.0 18.9 | 231 13 10.1 8.2 12 70 18420 240 35 30.3 17.5 | 243 15 13.3 6.7 13 50 20580 255 11 10.6 2.8 | 39 10 -6.3 -7.9 14 30 23850 235 7 5.7 4.0 | 59 13 -11.2 -6.7 15 20 26460 205 11 4.6 10.0 | 86 12 -12.3 -0.8 Wind Parameters Mean winds (0-6000m): 207.6 at 26.8 knts Storm direction: 237.6 at 20.1 knts Shear (0-3000m) pos: 7.3 neg: 2.4 tot: 9.6 10-3/s Storm rel Dir Shear (0-3000m): 110.7 deg Storm rel helicity (0-3000m) pos: 414.1 neg: -68.0 tot: 346.1 m^2/s^2 ave: 115.4 10^-3 m/s^2 rel: 0.59 Storm rel vorticity (0-3000m) horiz: 14.1 stream: 8.2 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.10 Bulk Shear: 172.34 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 6 10 41 27| 0.0 14.1 14.1| 0.0 -60.4 -60.4 -120.8 -0.61| 14.2 -8.6 1000 10 13 39 30| 3.8 7.1 10.8| 74.1 -68.0 6.1 6.1 -0.04| 12.7 -0.5 1500 18 12 43 31| 5.5 4.7 10.2|141.8 -68.0 73.8 49.2 0.22| 11.8 2.6 2000 37 13 50 32| 7.4 3.5 11.0|259.2 -68.0 191.2 95.6 0.44| 12.5 5.5 2500 55 14 57 34| 7.9 2.8 10.8|369.6 -68.0 301.6 120.6 0.55| 13.9 7.7 3000 254 16 16 7| 7.3 2.4 9.6|414.1 -68.0 346.1 115.4 0.59| 14.1 8.2 4000 214 19 130 8| 5.4 0.9 6.3|429.7 -68.0 361.7 90.4 0.58| 11.5 6.7 5000 209 23 149 11| 4.4 0.4 4.7|443.0 -68.0 374.9 75.0 0.56| 10.0 5.6 6000 208 27 161 14| 3.6 0.7 4.3|456.1 -68.0 388.0 64.7 0.54| 8.8 4.8 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20250428.00.gif