UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101800.upa.cvt Date: 0000Z 18 OCT 25 Searching for U3921... Searching the city database file for: U3921 ... Date:0000Z 18 OCT 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 1007 89 -0.9 -2.5 89 1.6 -1.5 125 1 271.7 272.2 271.3 280.2 3.15 1 1000 145 -1.3 -3.8 83 2.5 -2.2 145 1 271.9 272.3 270.9 279.7 2.88 2 986 258 -1.1 -3.2 86 2.1 -1.9 176 1 273.1 273.7 272.0 281.5 3.06 3 975 348 0.8 -0.9 88 1.7 0.1 200 1 275.9 276.6 274.5 286.0 3.67 4 946 590 0.8 -1.6 84 2.4 -0.2 266 1 278.3 278.9 275.7 288.3 3.59 5 925 771 0.6 -3.3 75 3.9 -0.9 315 1 279.9 280.5 276.1 289.0 3.23 6 907 929 0.4 -6.6 59 7.0 -2.2 312 2 281.3 281.7 275.9 288.6 2.57 7 877 1198 -1.3 -12.3 43 11.0 -4.8 306 5 282.2 282.5 275.2 287.2 1.69 8 850 1446 -3.3 -13.3 46 10.0 -6.3 300 7 282.7 283.0 275.3 287.4 1.61 9 721 2728 -11.5 -13.2 87 1.7 -12.0 232 9 287.3 287.6 278.2 293.0 1.92 10 716 2781 -10.9 -12.6 87 1.7 -11.4 229 9 288.5 288.9 278.9 294.6 2.03 11 712 2824 -10.5 -12.3 87 1.8 -11.1 227 9 289.4 289.8 279.4 295.7 2.09 12 700 2955 -11.7 -14.7 78 3.0 -12.5 220 9 289.5 289.8 279.0 294.8 1.74 13 684 3132 -12.3 -19.3 56 7.0 -14.0 219 10 290.8 291.0 278.9 294.5 1.21 14 671 3279 -10.3 -23.3 34 13.0 -13.3 218 11 294.6 294.8 280.2 297.4 0.87 15 658 3429 -11.1 -28.1 23 17.0 -14.5 217 12 295.4 295.5 280.1 297.2 0.57 16 600 4131 -16.1 -28.1 35 12.0 -18.3 213 17 297.5 297.6 281.1 299.5 0.63 17 562 4620 -19.1 -39.1 15 20.0 -21.7 210 21 299.6 299.6 281.5 300.4 0.23 18 518 5222 -23.1 -33.1 40 10.0 -24.5 207 25 301.8 301.9 282.7 303.3 0.45 19 500 5480 -25.5 -32.5 52 7.0 -26.5 205 27 301.9 302.0 282.8 303.6 0.50 20 482 5745 -27.3 -33.3 57 6.0 -28.1 203 27 302.9 303.0 283.2 304.5 0.48 21 400 7060 -37.5 -44.5 48 7.0 -37.9 195 27 306.3 306.3 284.1 306.9 0.18 22 300 8980 -51.5 -57.5 49 6.0 -51.7 195 33 312.8 312.8 286.4 313.0 0.05 23 293 9133 -52.9 -58.9 48 6.0 -53.0 196 31 312.9 312.9 286.4 313.1 0.05 24 268 9706 -53.5 -58.5 54 5.0 -53.6 198 24 320.1 320.1 288.8 320.3 0.05 25 250 10150 -56.1 -61.1 53 5.0 -56.2 200 19 322.7 322.7 289.6 322.8 0.04 26 242 10357 -57.1 -63.1 46 6.0 -57.2 195 19 324.2 324.2 290.0 324.3 0.03 27 200 11570 -56.3 -62.3 47 6.0 -56.4 225 15 343.6 343.6 295.2 343.8 0.04 28 189 11928 -56.7 -62.7 47 6.0 -56.8 227 16 348.6 348.6 296.4 348.8 0.04 29 171 12563 -54.3 -62.3 37 8.0 -54.5 230 18 362.7 362.7 299.2 362.9 0.05 30 150 13400 -54.7 -63.7 32 9.0 -54.9 235 21 375.8 375.8 301.6 376.1 0.05 31 100 15980 -56.9 -69.9 18 13.0 -57.3 240 19 417.8 417.8 307.4 417.9 0.03 32 77 17638 -57.7 -73.7 11 16.0 -58.2 247 18 448.5 448.6 310.7 448.7 0.02 33 70 18240 -58.1 -73.1 13 15.0 -58.6 250 17 460.1 460.1 311.8 460.2 0.03 34 54 19860 -60.9 -76.9 10 16.0 -61.3 254 14 489.1 489.1 314.2 489.2 0.02 35 50 20340 -58.9 -75.9 9 17.0 -59.5 255 13 504.7 504.7 315.3 504.8 0.03 36 30 23530 -60.9 -78.9 8 18.0 -61.7 305 13 578.6 578.6 319.6 578.8 0.03 37 20 26060 -59.9 -78.9 7 19.0 -61.2 280 15 652.8 652.8 322.8 653.1 0.04 38 16 27456 -59.3 -79.3 6 20.0 -60.9 697.8 697.8 324.4 698.2 0.05 TRP 242 10357 -57.1 -63.1 46 6.0 -57.2 195 19 324.2 324.2 290.0 324.3 0.03 WND Sounding variables and indices 1000-500 mb thick: 5335.00 m Freezing level: Surface below freezing Freezing level: 979.63 mb = 309.69 m = 1016.02 ft Freezing level: 899.94 mb = 991.98 m = 3254.47 ft Wetbulb zero: Below ground Precipitable water: 0.35 inches Sfc-500 mean rel hum: 51.65 % Est. max temperature: 9.99 C = 49.98 F Sfc-Lift cond lev (LCL): 981.98 mb = 290.37 m = 952.64 ft T: -0.41 C 700-500 lapse rate: 5.47 C/km ThetaE index: 1.80 C Layer 907.0- 850.0 mb Conv cond level (CCL): 828.58 mb = 1644.75 m = 5396.09 ft Mean mixing ratio: 3.29 g/kg Conv temperature: 10.84 C = 51.50 F Cap Strength: 13.91 C Lifted Index: 13.74 C Risk: None Lifted Index @300 mb: 18.97 C Lifted Index @700 mb: 6.62 C Showalter Index: 12.68 C Risk: None Total Totals Index: 34.40 C Risk: None Vertical Totals Index: 22.20 C Cross Totals Index: 12.20 C K Index: 5.90 Risk: None Sweat Index: 41.00 Risk: None Energy Index: 3.42 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 36.18 J/kg Max Up Vert Vel: 8.51 m/s Conv Inhibition (B-): 50497.78 J/kg Cap Strength: 13.83 C Lift Cond Lev (LCL): 913.38 mb = 872.41 m = 2862.20 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 245 at 10 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 1007 89 125 1 -0.8 0.6 | 70 10 -9.7 -3.6 1 1000 145 145 1 -0.6 0.8 | 71 10 -9.4 -3.3 2 925 771 315 1 0.7 -0.7 | 59 10 -8.2 -4.9 3 850 1446 300 7 6.1 -3.5 | 20 8 -2.8 -7.7 4 700 2955 220 9 5.8 6.9 | 131 4 -3.1 2.7 5 500 5480 205 27 11.4 24.5 | 187 20 2.5 20.3 6 400 7060 195 27 7.0 26.1 | 175 22 -1.9 21.9 7 300 8980 195 33 8.5 31.9 | 179 28 -0.3 27.7 8 250 10150 200 19 6.5 17.9 | 170 14 -2.4 13.7 9 242 10357 195 19 4.9 18.4 | 164 15 -4.0 14.2 10 200 11570 225 15 10.6 10.6 | 195 7 1.7 6.4 11 150 13400 235 21 17.2 12.0 | 227 11 8.3 7.9 12 100 15980 240 19 16.5 9.5 | 235 9 7.6 5.3 13 70 18240 250 17 16.0 5.8 | 257 7 7.1 1.7 14 50 20340 255 13 12.6 3.4 | 282 4 3.7 -0.8 15 30 23530 305 13 10.6 -7.5 | 351 12 1.8 -11.6 16 20 26060 280 15 14.8 -2.6 | 319 9 5.9 -6.8 Wind Parameters Mean winds (0-6000m): 214.9 at 13.1 knts Storm direction: 244.9 at 9.8 knts Shear (0-3000m) pos: 0.8 neg: 1.8 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): 74.3 deg Storm rel helicity (0-3000m) pos: 3.7 neg: -19.2 tot: -15.6 m^2/s^2 ave: -5.2 10^-3 m/s^2 rel: -0.16 Storm rel vorticity (0-3000m) horiz: 3.7 stream: -0.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.85 Bulk Shear: 19.53 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 ------------------------------------------------------------------------------- 500 193 1 70 9| 1.9 0.0 1.9| 0.5 -3.0 -2.5 -5.1 -0.45| 2.5 -1.1 1000 305 1 57 9| 2.5 0.0 2.5| 0.5 -10.9 -10.4 -10.4 -0.73| 3.1 -2.3 1500 299 3 49 8| 1.7 1.3 2.9| 0.5 -18.7 -18.2 -12.1 -0.78| 3.5 -2.7 2000 289 4 43 7| 1.2 1.4 2.7| 0.6 -19.2 -18.6 -9.3 -0.59| 3.5 -2.1 2500 275 5 41 6| 1.0 1.6 2.6| 1.8 -19.2 -17.4 -7.0 -0.32| 3.6 -1.2 3000 260 6 47 5| 0.8 1.8 2.6| 3.7 -19.2 -15.6 -5.2 -0.16| 3.7 -0.6 4000 237 8 89 3| 0.6 2.3 2.9| 10.6 -19.2 -8.6 -2.2 0.03| 3.7 0.1 5000 223 10 150 4| 0.5 2.6 3.1| 13.8 -19.2 -5.4 -1.1 0.05| 3.7 0.2 6000 215 13 168 7| 0.4 2.4 2.8| 13.8 -29.1 -15.3 -2.5 -0.00| 3.5 -0.0 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20251018.00.gif