UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102812.upa.cvt Date: 1200Z 28 OCT 25 Searching for U3921... Searching the city database file for: U3921 ... Date:1200Z 28 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 1006 92 6.6 2.7 76 3.9 4.8 100 3 279.3 280.1 277.6 292.0 4.62 1 1000 141 5.6 1.3 74 4.3 3.7 110 3 278.8 279.5 276.8 290.3 4.20 2 925 773 0.4 -3.3 76 3.7 -1.1 210 3 279.7 280.3 276.0 288.8 3.23 3 912 886 -0.7 -3.8 79 3.1 -1.9 214 4 279.7 280.3 275.9 288.6 3.16 4 902 975 2.0 -1.5 78 3.5 0.5 217 5 283.4 284.0 278.7 294.1 3.79 5 850 1451 -1.9 -6.9 69 5.0 -3.7 235 11 284.2 284.6 277.6 291.9 2.68 6 829 1649 -3.3 -7.6 72 4.3 -4.8 234 12 284.7 285.2 277.7 292.2 2.60 7 820 1736 -2.3 -6.8 71 4.5 -4.0 233 13 286.7 287.2 279.0 294.8 2.80 8 803 1902 -1.9 -11.9 46 10.0 -5.3 232 14 288.8 289.2 278.9 294.5 1.91 9 788 2051 -2.1 -17.1 31 15.0 -6.5 231 15 290.2 290.4 278.6 294.0 1.27 10 720 2765 -3.7 -24.7 18 21.0 -8.9 226 20 296.0 296.1 280.6 298.3 0.72 11 700 2987 -5.3 -27.3 16 22.0 -10.3 225 21 296.6 296.7 280.7 298.5 0.58 12 618 3951 -12.3 -33.3 16 21.0 -16.0 232 25 299.3 299.4 281.6 300.6 0.37 13 515 5322 -20.5 -40.5 15 20.0 -23.0 243 32 305.5 305.5 283.9 306.2 0.22 14 500 5540 -22.3 -41.3 16 19.0 -24.5 245 33 305.9 305.9 284.0 306.6 0.21 15 426 6690 -31.3 -48.3 17 17.0 -32.5 259 39 308.7 308.7 285.0 309.1 0.11 16 400 7130 -35.1 -46.1 32 11.0 -35.8 265 42 309.4 309.4 285.3 309.9 0.15 17 331 8428 -45.1 -51.1 51 6.0 -45.3 278 50 312.9 312.9 286.5 313.3 0.11 18 318 8695 -47.7 -53.7 50 6.0 -47.9 281 52 312.9 312.9 286.5 313.2 0.08 19 300 9080 -49.7 -54.7 56 5.0 -49.8 285 54 315.3 315.3 287.3 315.6 0.08 20 293 9233 -50.5 -56.5 49 6.0 -50.7 284 57 316.3 316.3 287.6 316.5 0.06 21 250 10240 -58.9 -64.9 46 6.0 -59.0 280 77 318.5 318.5 288.3 318.6 0.02 22 237 10574 -61.3 -67.3 45 6.0 -61.4 280 82 319.8 319.8 288.7 319.9 0.02 23 219 11064 -63.4 -69.4 44 6.0 -63.5 280 89 323.8 323.8 289.9 323.8 0.02 24 206 11439 -65.1 -71.1 43 6.0 -65.1 280 75 326.9 326.9 290.9 326.9 0.01 25 200 11620 -64.7 -69.7 50 5.0 -64.7 285 71 330.3 330.3 291.8 330.4 0.02 26 175 12446 -58.9 -64.9 46 6.0 -59.0 280 58 352.7 352.7 297.3 352.9 0.04 27 150 13410 -60.1 -66.1 45 6.0 -60.2 275 42 366.5 366.5 299.9 366.7 0.04 28 100 15930 -61.5 -69.5 34 8.0 -61.7 270 35 408.9 408.9 306.4 409.1 0.03 29 85 16935 -61.1 -69.1 34 8.0 -61.3 268 33 429.2 429.2 308.7 429.4 0.04 30 70 18130 -63.9 -72.9 28 9.0 -64.1 265 31 447.7 447.7 310.7 447.8 0.03 31 50 20180 -66.5 -76.5 23 10.0 -66.7 275 35 486.8 486.8 314.0 486.9 0.02 32 46 20682 -68.7 -78.7 22 10.0 -68.9 493.2 493.2 314.5 493.3 0.02 33 30 23243 -68.5 -79.5 19 11.0 -68.8 557.9 557.9 318.5 558.1 0.02 TRP 206 11439 -65.1 -71.1 43 6.0 -65.1 280 75 326.9 326.9 290.9 326.9 0.01 WND 219 11064 -63.4 -69.4 44 6.0 -63.5 280 89 323.8 323.8 289.9 323.8 0.02 Sounding variables and indices 1000-500 mb thick: 5399.00 m Freezing level: 920.27 mb = 814.23 m = 2671.34 ft Freezing level: 909.41 mb = 909.36 m = 2983.43 ft Freezing level: 875.33 mb = 1219.09 m = 3999.60 ft Wetbulb zero: 941.92 mb = 626.04 m = 2053.91 ft Precipitable water: 0.35 inches Sfc-500 mean rel hum: 35.70 % Est. max temperature: 11.40 C = 52.53 F Sfc-Lift cond lev (LCL): 947.57 mb = 577.55 m = 1894.82 ft T: 2.01 C 700-500 lapse rate: 6.66 C/km ThetaE index: 3.40 C Layer 1000.0- 902.0 mb Conv cond level (CCL): 832.28 mb = 1617.84 m = 5307.82 ft Mean mixing ratio: 3.66 g/kg Conv temperature: 11.97 C = 53.54 F Cap Strength: 14.17 C Lifted Index: 14.24 C Risk: None Lifted Index @300 mb: 18.28 C Lifted Index @700 mb: 10.62 C Showalter Index: 12.54 C Risk: None Total Totals Index: 35.80 C Risk: None Vertical Totals Index: 20.40 C Cross Totals Index: 15.40 C K Index: -8.50 Risk: None Sweat Index: 55.00 Risk: None Energy Index: 3.16 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.16 J/kg Max Up Vert Vel: 2.88 m/s Conv Inhibition (B-): 40079.11 J/kg Cap Strength: 14.23 C Lift Cond Lev (LCL): 900.40 mb = 989.18 m = 3245.30 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 266 at 15 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 1006 92 100 3 -3.0 0.5 | 89 18 -18.0 -0.4 1 1000 141 110 3 -2.8 1.0 | 90 18 -17.9 0.1 2 925 773 210 3 1.5 2.6 | 97 14 -13.6 1.7 3 850 1451 235 11 9.0 6.3 | 132 8 -6.1 5.4 4 700 2987 225 21 14.8 14.8 | 179 14 -0.2 13.9 5 500 5540 245 33 29.9 13.9 | 229 20 14.8 13.0 6 400 7130 265 42 41.8 3.7 | 264 27 26.8 2.7 7 300 9080 285 54 52.2 -14.0 | 292 40 37.1 -14.9 8 250 10240 280 77 75.8 -13.4 | 283 62 60.8 -14.3 9 219 11064 280 89 87.6 -15.5 | 283 74 72.6 -16.4 10 206 11439 280 75 73.9 -13.0 | 283 60 58.8 -14.0 11 200 11620 285 71 68.6 -18.4 | 290 57 53.5 -19.3 12 150 13410 275 42 41.8 -3.7 | 280 27 26.8 -4.6 13 100 15930 270 35 35.0 -0.0 | 273 20 19.9 -0.9 14 70 18130 265 31 30.9 2.7 | 264 16 15.8 1.8 15 50 20180 275 35 34.9 -3.1 | 281 20 19.8 -4.0 Wind Parameters Mean winds (0-6000m): 236.4 at 20.1 knts Storm direction: 266.4 at 15.1 knts Shear (0-3000m) pos: 2.4 neg: 1.7 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): 92.8 deg Storm rel helicity (0-3000m) pos: 53.5 neg: -0.1 tot: 53.4 m^2/s^2 ave: 17.8 10^-3 m/s^2 rel: 0.70 Storm rel vorticity (0-3000m) horiz: 4.3 stream: 3.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.07 Bulk Shear: 56.26 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 ------------------------------------------------------------------------------- 500 141 3 95 17| 4.0 0.0 4.0| 12.5 0.0 12.5 24.9 0.65| 4.4 2.8 1000 189 4 100 15| 4.5 0.0 4.5| 22.1 -0.1 22.1 22.1 0.59| 4.9 2.9 1500 220 6 106 12| 4.9 0.0 4.9| 33.0 -0.1 32.9 21.9 0.66| 5.2 3.4 2000 226 8 114 11| 3.6 0.9 4.5| 40.0 -0.1 39.9 20.0 0.71| 4.7 3.4 2500 227 9 124 10| 2.9 1.4 4.3| 46.7 -0.1 46.6 18.6 0.71| 4.5 3.2 3000 226 11 134 10| 2.4 1.7 4.1| 53.5 -0.1 53.4 17.8 0.70| 4.3 3.0 4000 228 14 153 10| 2.5 1.3 3.8| 74.8 -0.1 74.7 18.7 0.75| 4.0 3.0 5000 232 17 171 10| 2.6 1.0 3.6| 99.8 -0.1 99.7 19.9 0.77| 3.8 2.9 6000 236 20 189 10| 2.7 0.8 3.6|138.7 -0.1 138.6 23.1 0.80| 3.9 3.1 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20251028.12.gif