UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102012.upa.cvt Date: 1200Z 20 OCT 25 Searching for U3921... Searching the city database file for: U3921 ... Date:1200Z 20 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 1012 89 2.6 -4.4 60 7.0 -0.0 265 7 274.8 275.3 272.5 282.3 2.72 1 1000 185 1.6 -5.4 60 7.0 -1.0 265 5 274.8 275.2 272.2 281.8 2.55 2 925 806 -3.9 -9.9 63 6.0 -5.8 260 17 275.3 275.6 271.6 280.8 1.94 3 876 1231 -7.9 -12.2 71 4.3 -9.1 263 20 275.5 275.8 271.3 280.3 1.71 4 868 1302 -7.9 -12.3 71 4.4 -9.1 264 20 276.2 276.5 271.8 281.1 1.71 5 850 1465 -6.5 -12.5 62 6.0 -8.2 265 21 279.3 279.6 273.6 284.3 1.72 6 846 1502 -6.3 -12.3 62 6.0 -8.1 265 21 279.9 280.2 274.0 285.0 1.76 7 760 2336 -8.7 -28.7 18 20.0 -12.5 274 20 286.0 286.1 275.4 287.5 0.47 8 753 2407 -8.9 -28.9 18 20.0 -12.7 274 20 286.6 286.7 275.6 288.1 0.47 9 710 2860 -11.7 -28.7 23 17.0 -14.8 279 19 288.4 288.4 276.6 290.0 0.50 10 700 2968 -12.7 -27.7 27 15.0 -15.5 280 19 288.4 288.5 276.7 290.2 0.56 11 676 3234 -14.3 -21.3 55 7.0 -15.9 282 20 289.5 289.7 278.0 292.7 1.03 12 653 3496 -15.1 -19.4 70 4.3 -16.1 283 21 291.5 291.7 279.3 295.4 1.26 13 589 4272 -17.5 -23.5 59 6.0 -18.8 288 25 297.4 297.6 281.5 300.5 0.98 14 500 5480 -25.7 -32.7 52 7.0 -26.6 295 31 301.7 301.8 282.7 303.3 0.49 15 467 5969 -29.3 -36.3 51 7.0 -30.1 300 32 303.2 303.2 283.2 304.4 0.37 16 400 7050 -38.5 -45.5 48 7.0 -38.9 310 35 305.0 305.0 283.6 305.5 0.16 17 330 8342 -48.5 -55.5 44 7.0 -48.7 313 37 308.5 308.5 284.8 308.7 0.06 18 313 8687 -52.3 -59.3 43 7.0 -52.4 314 38 307.9 307.9 284.6 308.0 0.04 19 300 8960 -54.1 -60.1 48 6.0 -54.2 315 38 309.1 309.1 285.0 309.2 0.04 20 261 9848 -57.9 -63.9 46 6.0 -58.0 310 54 316.1 316.1 287.5 316.2 0.03 21 250 10120 -58.3 -64.3 46 6.0 -58.4 310 62 319.4 319.4 288.6 319.5 0.03 22 235 10506 -58.9 -64.9 46 6.0 -59.0 305 71 324.1 324.1 290.0 324.2 0.03 23 214 11088 -59.9 -65.9 45 6.0 -60.0 305 53 331.4 331.4 292.2 331.5 0.03 24 200 11510 -57.5 -63.5 46 6.0 -57.6 305 40 341.7 341.7 294.8 341.9 0.04 25 185 12007 -52.9 -58.9 48 6.0 -53.1 304 37 356.9 356.9 298.1 357.2 0.07 26 150 13350 -55.1 -63.1 36 8.0 -55.4 300 29 375.1 375.2 301.5 375.4 0.05 27 147 13479 -55.5 -64.5 32 9.0 -55.8 376.6 376.6 301.7 376.8 0.04 28 131 14218 -53.1 -64.1 25 11.0 -53.5 393.5 393.5 304.3 393.8 0.05 29 117 14942 -55.3 -67.3 21 12.0 -55.6 402.4 402.4 305.6 402.6 0.04 TRP 261 9848 -57.9 -63.9 46 6.0 -58.0 310 54 316.1 316.1 287.5 316.2 0.03 WND 235 10506 -58.9 -64.9 46 6.0 -59.0 305 71 324.1 324.1 290.0 324.2 0.03 Sounding variables and indices 1000-500 mb thick: 5295.00 m Freezing level: 978.18 mb = 365.65 m = 1199.64 ft Wetbulb zero: Below ground Precipitable water: 0.28 inches Sfc-500 mean rel hum: 52.36 % Est. max temperature: 5.04 C = 41.07 F Sfc-Lift cond lev (LCL): 907.64 mb = 953.94 m = 3129.68 ft T: -5.29 C 700-500 lapse rate: 5.18 C/km ThetaE index: 2.00 C Layer 1000.0- 868.0 mb Conv cond level (CCL): 715.38 mb = 2801.60 m = 9191.48 ft Mean mixing ratio: 2.25 g/kg Conv temperature: 15.97 C = 60.74 F Cap Strength: 15.00 C Lifted Index: 17.17 C Risk: None Lifted Index @300 mb: 19.71 C Lifted Index @700 mb: 8.99 C Showalter Index: 14.89 C Risk: None Total Totals Index: 32.40 C Risk: None Vertical Totals Index: 19.20 C Cross Totals Index: 13.20 C K Index: -8.30 Risk: None Sweat Index: 73.00 Risk: None Energy Index: 4.02 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.26 J/kg Max Up Vert Vel: 1.59 m/s Conv Inhibition (B-): 15566.45 J/kg Cap Strength: 16.94 C Lift Cond Lev (LCL): 869.47 mb = 1288.99 m = 4228.90 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 313 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 1012 89 265 7 7.0 0.6 | 156 13 -5.2 11.9 1 1000 185 265 5 5.0 0.4 | 148 14 -7.2 11.7 2 925 806 260 17 16.7 3.0 | 198 15 4.6 14.2 3 850 1465 265 21 20.9 1.8 | 214 16 8.7 13.1 4 700 2968 280 19 18.7 -3.3 | 219 10 6.5 8.0 5 500 5480 295 31 28.1 -13.1 | 276 16 15.9 -1.8 6 400 7050 310 35 26.8 -22.5 | 307 18 14.6 -11.2 7 300 8960 315 38 26.9 -26.9 | 317 21 14.7 -15.6 8 261 9848 310 54 41.4 -34.7 | 309 37 29.2 -23.4 9 250 10120 310 62 47.5 -39.9 | 309 45 35.3 -28.6 10 235 10506 305 71 58.2 -40.7 | 303 55 46.0 -29.4 11 200 11510 305 40 32.8 -22.9 | 299 24 20.6 -11.7 12 150 13350 300 29 25.1 -14.5 | 284 13 12.9 -3.2 Wind Parameters Mean winds (0-6000m): 282.9 at 22.1 knts Storm direction: 312.9 at 16.6 knts Shear (0-3000m) pos: 1.5 neg: 1.0 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 66.3 deg Storm rel helicity (0-3000m) pos: 63.5 neg: -6.3 tot: 57.2 m^2/s^2 ave: 19.1 10^-3 m/s^2 rel: 0.65 Storm rel vorticity (0-3000m) horiz: 4.2 stream: 2.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.04 Bulk Shear: 28.09 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 ------------------------------------------------------------------------------- 500 263 8 162 13| 0.0 6.0 6.0| 26.0 -6.3 19.7 39.5 0.60| 10.0 6.0 1000 261 12 181 13| 3.0 3.0 6.0| 47.2 -6.3 40.9 40.9 0.73| 8.1 5.9 1500 263 15 192 13| 2.8 2.0 4.8| 57.8 -6.3 51.5 34.3 0.75| 6.4 4.8 2000 264 16 198 14| 2.0 1.5 3.5| 59.8 -6.3 53.5 26.8 0.71| 5.3 3.7 2500 267 17 202 13| 1.6 1.2 2.8| 61.1 -6.3 54.9 21.9 0.67| 4.6 3.1 3000 269 17 204 13| 1.5 1.0 2.5| 63.5 -6.3 57.2 19.1 0.65| 4.2 2.7 4000 273 19 212 12| 1.8 0.7 2.5| 78.3 -6.3 72.0 18.0 0.70| 3.8 2.7 5000 278 20 223 12| 2.0 0.6 2.6| 95.0 -6.3 88.8 17.8 0.73| 3.6 2.6 6000 283 22 236 11| 2.1 0.5 2.6|117.6 -6.3 111.3 18.5 0.76| 3.5 2.7 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20251020.12.gif