UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041700.upa.cvt Date: 0000Z 17 APR 25 Searching for U3884... Searching the city database file for: U3884 ... Date:0000Z 17 APR 25 Station: U3884 WMO ident: 23884 Latitude: 61.60 Longitude: 90.00 ------------------------------------------------------------------------------- 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 -38 SFC 988 59 1.4 -0.2 89 1.6 0.7 160 5 275.5 276.1 274.5 285.9 3.81 2 925 586 -1.1 -3.5 84 2.4 -2.0 200 21 278.2 278.7 275.1 287.0 3.19 3 850 1257 -4.3 -6.9 82 2.6 -5.2 225 21 281.6 282.1 276.3 289.3 2.68 4 705 2713 -11.1 -14.0 79 2.9 -11.9 239 25 289.6 289.9 279.1 295.1 1.83 5 700 2768 -11.5 -14.4 79 2.9 -12.3 240 25 289.7 290.1 279.1 295.1 1.79 6 541 4705 -22.5 -26.0 73 3.5 -23.1 248 41 298.8 298.9 282.0 301.5 0.85 7 500 5280 -26.7 -30.2 72 3.5 -27.2 250 46 300.5 300.6 282.4 302.5 0.62 8 417 6555 -36.9 -40.5 69 3.6 -37.2 250 56 303.4 303.4 283.1 304.3 0.27 9 400 6840 -39.3 -43.1 67 3.8 -39.5 250 58 303.9 304.0 283.2 304.7 0.21 10 329 8144 -51.1 -54.8 65 3.7 -51.2 250 61 305.2 305.2 283.5 305.4 0.07 11 300 8740 -54.3 -58.3 61 4.0 -54.4 250 62 308.8 308.8 284.9 309.0 0.05 12 288 9002 -55.9 -59.8 62 3.9 -56.0 250 64 310.2 310.2 285.4 310.3 0.04 13 283 9113 -55.6 -59.5 61 3.9 -55.6 250 66 312.2 312.2 286.2 312.3 0.04 14 250 9910 -53.3 -57.6 59 4.3 -53.4 250 60 326.8 326.8 290.9 327.1 0.06 15 233 10365 -51.7 -56.0 60 4.3 -51.8 255 57 335.9 335.9 293.4 336.2 0.08 16 200 11360 -49.5 -54.5 56 5.0 -49.7 265 50 354.4 354.4 297.7 354.9 0.12 17 193 11595 -47.7 -53.7 50 6.0 -48.0 266 48 360.9 360.9 299.0 361.5 0.13 18 150 13260 -48.1 -55.1 44 7.0 -48.6 275 36 387.2 387.2 303.5 387.9 0.14 19 100 15920 -48.9 -58.9 30 10.0 -49.6 270 27 433.2 433.3 309.3 434.0 0.14 20 75 17799 -49.5 -59.5 30 10.0 -50.4 282 22 469.1 469.2 312.7 470.1 0.17 21 70 18250 -48.3 -59.3 27 11.0 -49.4 285 21 481.1 481.1 313.6 482.1 0.18 22 50 20460 -48.5 -60.5 24 12.0 -50.0 290 15 529.2 529.2 316.9 530.6 0.22 23 30 23800 -50.3 -62.3 23 12.0 -52.2 330 11 607.5 607.6 321.0 609.7 0.29 24 25 24993 -49.3 -62.3 20 13.0 -51.8 642.9 643.0 322.5 645.7 0.35 TRP 288 9002 -55.9 -59.8 62 3.9 -56.0 250 64 310.2 310.2 285.4 310.3 0.04 WND 283 9113 -55.6 -59.5 61 3.9 -55.6 250 66 312.2 312.2 286.2 312.3 0.04 Sounding variables and indices 1000-500 mb thick: 5318.00 m Freezing level: 952.72 mb = 354.12 m = 1161.80 ft Wetbulb zero: 971.46 mb = 194.01 m = 636.51 ft Precipitable water: 0.44 inches Sfc-500 mean rel hum: 78.79 % Est. max temperature: 8.12 C = 46.62 F Sfc-Lift cond lev (LCL): 963.62 mb = 258.81 m = 849.11 ft T: 0.45 C 700-500 lapse rate: 6.05 C/km ThetaE index: 0.00 C Layer 988.0- 0.0 mb Conv cond level (CCL): 858.50 mb = 1178.08 m = 3865.03 ft Mean mixing ratio: 3.33 g/kg Conv temperature: 7.11 C = 44.80 F Cap Strength: 11.08 C Lifted Index: 11.89 C Risk: None Lifted Index @300 mb: 15.58 C Lifted Index @700 mb: 6.20 C Showalter Index: 10.08 C Risk: None Total Totals Index: 42.20 C Risk: None Vertical Totals Index: 22.40 C Cross Totals Index: 19.80 C K Index: 12.60 Risk: None Sweat Index: 165.83 Risk: None Energy Index: 2.78 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.77 J/kg Max Up Vert Vel: 5.62 m/s Conv Inhibition (B-): 52781.59 J/kg Cap Strength: 11.76 C Lift Cond Lev (LCL): 905.88 mb = 751.71 m = 2466.21 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 271 at 23 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 ---------------------------------------------------------- 0 988 59 160 5 -1.7 4.7 | 101 25 -24.8 5.0 1 925 586 200 21 7.2 19.7 | 142 26 -15.9 20.0 2 850 1257 225 21 14.8 14.8 | 151 17 -8.2 15.1 3 700 2768 240 25 21.7 12.5 | 174 13 -1.4 12.8 4 500 5280 250 46 43.2 15.7 | 231 26 20.1 16.0 5 400 6840 250 58 54.5 19.8 | 237 37 31.4 20.1 6 300 8740 250 62 58.3 21.2 | 239 41 35.2 21.5 7 288 9002 250 64 60.1 21.9 | 239 43 37.1 22.2 8 283 9113 250 66 62.0 22.6 | 240 45 38.9 22.9 9 250 9910 250 60 56.4 20.5 | 238 39 33.3 20.8 10 200 11360 265 50 49.8 4.4 | 260 27 26.7 4.7 11 150 13260 275 36 35.9 -3.1 | 283 13 12.8 -2.8 12 100 15920 270 27 27.0 -0.0 | 266 4 3.9 0.3 13 70 18250 285 21 20.3 -5.4 | 29 6 -2.8 -5.1 14 50 20460 290 15 14.1 -5.1 | 62 10 -9.0 -4.8 15 30 23800 330 11 5.5 -9.5 | 62 20 -17.6 -9.2 Wind Parameters Mean winds (0-6000m): 240.7 at 30.8 knts Storm direction: 270.7 at 23.1 knts Shear (0-3000m) pos: 4.6 neg: 0.0 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): 82.6 deg Storm rel helicity (0-3000m) pos: 179.8 neg: 0.0 tot: 179.8 m^2/s^2 ave: 59.9 10^-3 m/s^2 rel: 0.81 Storm rel vorticity (0-3000m) horiz: 6.4 stream: 5.2 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.20 Bulk Shear: 78.67 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 ------------------------------------------------------------------------------- 500 192 13 122 24| 17.0 0.0 17.0|119.7 0.0 119.7 239.4 0.99| 18.0 17.8 1000 202 17 133 23| 9.7 0.0 9.7|144.2 0.0 144.2 144.2 0.85| 12.8 10.9 1500 211 18 139 21| 7.0 0.0 7.0|153.3 0.0 153.3 102.2 0.80| 9.9 8.0 2000 217 19 144 20| 5.7 0.0 5.7|161.1 0.0 161.1 80.5 0.80| 8.0 6.4 2500 222 20 148 18| 4.9 0.0 4.9|168.4 0.0 168.4 67.4 0.80| 6.9 5.6 3000 225 21 152 17| 4.6 0.0 4.6|179.8 0.0 179.8 59.9 0.81| 6.4 5.2 4000 232 24 163 16| 4.6 0.0 4.6|210.0 0.0 210.0 52.5 0.82| 5.9 4.8 5000 237 27 179 15| 4.6 0.0 4.6|244.4 0.0 244.4 48.9 0.80| 5.6 4.5 6000 241 31 194 16| 4.1 0.3 4.5|265.7 0.0 265.7 44.3 0.75| 5.4 4.0 Wrote GIF file: /home/apache/climate/data/raob//U3884/skewt/U3884.skewt.20250417.00.gif