UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102112.upa.cvt Date: 1200Z 21 OCT 25 Searching for U3884... Searching the city database file for: U3884 ... Date:1200Z 21 OCT 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 ------------------------------------------------------------------------------- SFC 1023 58 -0.3 -4.5 73 4.2 -1.8 0 0 271.1 271.5 270.1 278.3 2.67 1 1019 89 2.2 -3.8 64 6.0 -0.1 26 1 273.9 274.3 272.1 281.6 2.83 2 1000 240 1.4 -5.6 60 7.0 -1.2 150 7 274.5 275.0 272.0 281.5 2.51 3 982 386 0.6 -7.4 55 8.0 -2.1 163 8 275.2 275.5 271.9 281.4 2.23 4 962 551 0.8 -6.2 59 7.0 -1.7 177 10 277.0 277.4 273.5 284.0 2.50 5 925 865 -1.5 -6.3 70 4.8 -3.2 205 13 277.8 278.2 274.0 285.0 2.58 6 889 1179 -4.3 -7.9 76 3.6 -5.5 212 12 278.1 278.5 273.9 284.7 2.37 7 850 1532 -5.3 -7.9 82 2.6 -6.2 220 11 280.6 281.0 275.4 287.6 2.48 8 845 1578 -5.5 -8.4 80 2.9 -6.5 221 11 280.9 281.3 275.5 287.7 2.40 9 769 2308 -12.1 -14.4 83 2.3 -12.7 230 13 281.4 281.7 274.6 286.2 1.63 10 764 2358 -11.3 -13.7 82 2.4 -12.0 231 13 282.8 283.1 275.6 287.9 1.73 11 700 3024 -15.3 -19.4 71 4.1 -16.2 240 15 285.5 285.7 276.2 289.1 1.17 12 655 3521 -18.9 -24.9 59 6.0 -20.0 242 16 287.0 287.1 276.3 289.3 0.77 13 646 3624 -19.3 -25.3 59 6.0 -20.4 242 16 287.6 287.8 276.6 290.0 0.76 14 539 4939 -30.1 -33.6 71 3.5 -30.4 248 20 290.0 290.1 277.3 291.4 0.42 15 501 5456 -32.9 -36.1 73 3.2 -33.2 250 21 292.8 292.8 278.6 293.9 0.35 16 500 5470 -33.1 -36.3 73 3.2 -33.4 250 21 292.7 292.7 278.5 293.8 0.34 17 473 5860 -35.5 -39.5 67 4.0 -35.8 248 22 294.4 294.4 279.2 295.3 0.26 18 400 7010 -44.1 -48.5 62 4.4 -44.3 240 25 297.7 297.7 280.5 298.1 0.12 19 332 8233 -53.5 -58.5 54 5.0 -53.6 237 24 301.1 301.1 281.8 301.2 0.04 20 300 8880 -56.3 -61.3 53 5.0 -56.4 235 23 306.0 306.0 283.8 306.1 0.03 21 296 8964 -56.7 -61.7 53 5.0 -56.8 240 23 306.6 306.6 284.1 306.7 0.03 22 289 9115 -55.5 -60.5 54 5.0 -55.6 241 23 310.4 310.4 285.5 310.6 0.04 23 250 10030 -55.3 -61.3 47 6.0 -55.4 250 23 323.9 323.9 290.0 324.0 0.04 24 204 11333 -53.7 -60.7 42 7.0 -53.9 250 19 345.8 345.8 295.7 346.0 0.05 25 200 11460 -54.3 -61.3 42 7.0 -54.5 250 19 346.8 346.8 296.0 347.0 0.05 26 150 13300 -55.7 -64.7 32 9.0 -55.9 265 17 374.1 374.1 301.3 374.3 0.04 27 100 15870 -58.1 -70.1 20 12.0 -58.4 280 17 415.5 415.5 307.2 415.6 0.03 28 70 18110 -59.3 -73.3 15 14.0 -59.7 285 17 457.5 457.5 311.5 457.7 0.03 29 50 20200 -61.5 -75.5 14 14.0 -61.9 300 15 498.6 498.6 314.8 498.7 0.03 30 37 22061 -62.3 -77.3 12 15.0 -62.8 294 17 541.3 541.3 317.6 541.5 0.03 31 30 23360 -60.5 -75.5 12 15.0 -61.3 290 19 579.7 579.7 319.7 580.0 0.05 32 20 25880 -61.3 -77.3 10 16.0 -62.3 285 23 648.5 648.6 322.6 648.9 0.05 33 13 28570 -58.7 -75.7 9 17.0 -60.7 742.6 742.6 325.7 743.5 0.10 TRP 296 8964 -56.7 -61.7 53 5.0 -56.8 240 23 306.6 306.6 284.1 306.7 0.03 WND Sounding variables and indices 1000-500 mb thick: 5230.00 m Freezing level: Surface below freezing Freezing level: 1022.52 mb = 61.46 m = 201.63 ft Freezing level: 949.13 mb = 660.39 m = 2166.60 ft Wetbulb zero: Below ground Precipitable water: 0.35 inches Sfc-500 mean rel hum: 70.38 % Est. max temperature: 7.75 C = 45.95 F Sfc-Lift cond lev (LCL): 957.97 mb = 584.88 m = 1918.87 ft T: 0.55 C 700-500 lapse rate: 7.28 C/km ThetaE index: 1.54 C Layer 769.0- 764.0 mb Conv cond level (CCL): 811.01 mb = 1896.23 m = 6221.14 ft Mean mixing ratio: 2.50 g/kg Conv temperature: 9.80 C = 49.65 F Cap Strength: 8.62 C Lifted Index: 8.54 C Risk: None Lifted Index @300 mb: 16.40 C Lifted Index @700 mb: 5.25 C Showalter Index: 4.91 C Risk: None Total Totals Index: 53.00 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.80 C Cross Totals Index: 25.20 C K Index: 15.80 Risk: < 20 % chance of thunderstorms Sweat Index: 123.00 Risk: None Energy Index: 1.24 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 18.64 J/kg Max Up Vert Vel: 6.11 m/s Conv Inhibition (B-): 56566.80 J/kg Cap Strength: 8.33 C Lift Cond Lev (LCL): 877.12 mb = 1285.10 m = 4216.16 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 267 at 11 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 1023 58 0 0 -0.0 -0.0 | 87 11 -11.5 -0.6 1 1000 240 150 7 -3.5 6.1 | 110 16 -15.0 5.4 2 925 865 205 13 5.5 11.8 | 152 13 -6.0 11.2 3 850 1532 220 11 7.1 8.4 | 151 9 -4.4 7.8 4 700 3024 240 15 13.0 7.5 | 192 7 1.5 6.9 5 500 5470 250 21 19.7 7.2 | 232 11 8.3 6.6 6 400 7010 240 25 21.7 12.5 | 221 16 10.2 11.9 7 300 8880 235 23 18.8 13.2 | 210 15 7.4 12.6 8 296 8964 240 23 19.9 11.5 | 218 14 8.4 10.9 9 250 10030 250 23 21.6 7.9 | 234 12 10.1 7.2 10 200 11460 250 19 17.9 6.5 | 227 9 6.4 5.9 11 150 13300 265 17 16.9 1.5 | 261 6 5.5 0.9 12 100 15870 280 17 16.7 -3.0 | 304 6 5.3 -3.6 13 70 18110 285 17 16.4 -4.4 | 315 7 4.9 -5.0 14 50 20200 300 15 13.0 -7.5 | 349 8 1.5 -8.1 15 30 23360 290 19 17.9 -6.5 | 318 10 6.4 -7.1 16 20 25880 285 23 22.2 -6.0 | 301 13 10.7 -6.6 Wind Parameters Mean winds (0-6000m): 236.9 at 15.3 knts Storm direction: 266.9 at 11.5 knts Shear (0-3000m) pos: 2.6 neg: 0.0 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): 106.3 deg Storm rel helicity (0-3000m) pos: 80.3 neg: -1.4 tot: 78.9 m^2/s^2 ave: 26.3 10^-3 m/s^2 rel: 0.72 Storm rel vorticity (0-3000m) horiz: 5.4 stream: 3.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.64 Bulk Shear: 29.29 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 ------------------------------------------------------------------------------- 500 163 7 113 15| 10.3 0.0 10.3| 47.3 -0.9 46.4 92.8 0.73| 16.1 11.7 1000 190 9 131 13| 6.4 0.0 6.4| 68.4 -0.9 67.5 67.5 0.75| 11.8 8.8 1500 200 10 138 12| 3.8 0.0 3.8| 68.5 -1.4 67.0 44.7 0.67| 8.7 5.8 2000 207 11 142 11| 3.2 0.0 3.2| 72.5 -1.4 71.0 35.5 0.68| 7.1 4.8 2500 213 11 148 10| 2.8 0.0 2.8| 76.4 -1.4 75.0 30.0 0.70| 6.1 4.3 3000 219 12 154 9| 2.6 0.0 2.6| 80.3 -1.4 78.9 26.3 0.72| 5.4 3.9 4000 227 13 165 8| 2.3 0.0 2.3| 85.3 -1.4 83.9 21.0 0.73| 4.4 3.2 5000 233 14 178 8| 2.1 0.0 2.1| 90.7 -1.4 89.3 17.9 0.74| 3.8 2.8 6000 237 15 190 8| 1.8 0.2 2.0| 93.1 -4.0 89.1 14.8 0.68| 3.5 2.4 Wrote GIF file: /home/apache/climate/data/raob//U3884/skewt/U3884.skewt.20251021.12.gif