UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101312.upa.cvt Date: 1200Z 13 OCT 25 Searching for U3921... Searching the city database file for: U3921 ... Date:1200Z 13 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 1019 93 3.0 -8.0 44 11.0 -0.8 125 11 274.7 275.0 271.4 280.4 2.05 1 1000 245 1.2 -9.8 44 11.0 -2.4 135 11 274.4 274.7 270.8 279.4 1.81 2 968 505 -0.7 -10.7 47 10.0 -3.8 129 14 275.0 275.3 271.1 279.9 1.74 3 925 865 -4.5 -12.5 54 8.0 -6.8 120 19 274.7 275.0 270.7 279.2 1.58 4 874 1308 -8.3 -14.3 62 6.0 -9.9 137 22 275.3 275.5 270.8 279.4 1.44 5 850 1525 -5.3 -14.3 49 9.0 -7.8 145 23 280.6 280.8 274.0 284.9 1.48 6 846 1562 -5.3 -15.3 45 10.0 -8.1 145 23 281.0 281.2 274.0 285.0 1.37 7 787 2129 -5.7 -21.7 27 16.0 -9.5 153 24 286.4 286.6 276.2 289.0 0.86 8 744 2568 -6.9 -24.9 22 18.0 -10.9 159 24 289.7 289.9 277.6 291.9 0.68 9 700 3041 -9.5 -29.5 18 20.0 -13.3 165 25 292.0 292.0 278.4 293.5 0.47 10 507 5459 -23.3 -49.3 7 26.0 -25.6 175 21 303.4 303.4 282.9 303.7 0.08 11 500 5560 -24.1 -50.1 7 26.0 -26.2 175 21 303.7 303.7 283.0 303.9 0.08 12 457 6213 -27.5 -51.5 8 24.0 -29.3 179 18 307.3 307.3 284.4 307.6 0.07 13 400 7160 -34.9 -50.9 18 16.0 -35.8 185 13 309.6 309.6 285.3 310.0 0.09 14 361 7867 -39.9 -50.9 30 11.0 -40.5 196 14 312.2 312.2 286.2 312.5 0.10 15 308 8928 -49.5 -57.5 39 8.0 -49.7 212 15 313.2 313.2 286.5 313.4 0.05 16 300 9100 -50.1 -58.1 38 8.0 -50.3 215 15 314.7 314.7 287.1 314.9 0.05 17 250 10270 -55.3 -63.3 36 8.0 -55.4 205 15 323.9 323.9 290.0 324.0 0.03 18 244 10425 -56.1 -64.1 36 8.0 -56.2 200 15 324.9 324.9 290.3 325.0 0.03 19 214 11265 -54.7 -62.7 37 8.0 -54.9 210 11 339.5 339.5 294.3 339.7 0.04 20 200 11700 -53.9 -62.9 32 9.0 -54.1 215 9 347.4 347.4 296.1 347.6 0.04 21 175 12555 -52.3 -62.3 29 10.0 -52.6 238 9 363.6 363.6 299.4 363.8 0.05 22 150 13540 -55.1 -67.1 21 12.0 -55.4 265 9 375.1 375.1 301.5 375.3 0.03 23 142 13890 -54.7 -67.7 19 13.0 -55.0 381.8 381.8 302.5 381.9 0.03 TRP 244 10425 -56.1 -64.1 36 8.0 -56.2 200 15 324.9 324.9 290.3 325.0 0.03 WND Sounding variables and indices 1000-500 mb thick: 5315.00 m Freezing level: 979.79 mb = 409.35 m = 1343.00 ft Wetbulb zero: Below ground Precipitable water: 0.19 inches Sfc-500 mean rel hum: 26.71 % Est. max temperature: 4.69 C = 40.44 F Sfc-Lift cond lev (LCL): 858.64 mb = 1446.15 m = 4744.53 ft T: -6.39 C 700-500 lapse rate: 5.80 C/km ThetaE index: 0.95 C Layer 1000.0- 968.0 mb Conv cond level (CCL): 590.50 mb = 4316.07 m = 14160.16 ft Mean mixing ratio: 1.74 g/kg Conv temperature: 26.51 C = 79.72 F Cap Strength: 20.04 C Lifted Index: 20.12 C Risk: None Lifted Index @300 mb: 24.88 C Lifted Index @700 mb: 13.45 C Showalter Index: 15.99 C Risk: None Total Totals Index: 28.60 C Risk: None Vertical Totals Index: 18.80 C Cross Totals Index: 9.80 C K Index: -15.50 Risk: None Sweat Index: 67.00 Risk: None Energy Index: 4.06 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.68 J/kg Max Up Vert Vel: 1.83 m/s Conv Inhibition (B-): 13472.76 J/kg Cap Strength: 20.09 C Lift Cond Lev (LCL): 830.25 mb = 1709.30 m = 5607.87 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 189 at 16 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 1019 93 125 11 -9.0 6.3 | 50 15 -11.6 -9.7 1 1000 245 135 11 -7.8 7.8 | 52 13 -10.4 -8.3 2 925 865 120 19 -16.5 9.5 | 71 20 -19.0 -6.5 3 850 1525 145 23 -13.2 18.8 | 100 16 -15.8 2.8 4 700 3041 165 25 -6.5 24.1 | 132 12 -9.1 8.1 5 500 5560 175 21 -1.8 20.9 | 138 7 -4.4 4.9 6 400 7160 185 13 1.1 13.0 | 25 3 -1.5 -3.1 7 300 9100 215 15 8.6 12.3 | 302 7 6.0 -3.7 8 250 10270 205 15 6.3 13.6 | 303 4 3.7 -2.4 9 244 10425 200 15 5.1 14.1 | 307 3 2.5 -1.9 10 200 11700 215 9 5.2 7.4 | 343 9 2.6 -8.7 11 150 13540 265 9 9.0 0.8 | 337 17 6.4 -15.2 Wind Parameters Mean winds (0-6000m): 159.2 at 21.6 knts Storm direction: 189.2 at 16.2 knts Shear (0-3000m) pos: 3.1 neg: 0.0 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 81.9 deg Storm rel helicity (0-3000m) pos: 95.5 neg: 0.0 tot: 95.5 m^2/s^2 ave: 31.8 10^-3 m/s^2 rel: 0.79 Storm rel vorticity (0-3000m) horiz: 4.9 stream: 3.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.08 Bulk Shear: 20.03 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 ------------------------------------------------------------------------------- 500 130 13 57 15| 4.6 0.0 4.6| 15.4 0.0 15.4 30.8 0.63| 6.4 4.1 1000 126 15 65 17| 4.9 0.0 4.9| 38.8 0.0 38.8 38.8 0.66| 6.8 4.5 1500 131 18 74 16| 4.6 0.0 4.6| 68.4 0.0 68.4 45.6 0.74| 7.0 5.2 2000 137 19 82 16| 3.8 0.0 3.8| 78.0 0.0 78.0 39.0 0.76| 5.9 4.5 2500 141 20 89 15| 3.4 0.0 3.4| 87.3 0.0 87.3 34.9 0.77| 5.3 4.1 3000 146 21 95 14| 3.1 0.0 3.1| 95.5 0.0 95.5 31.8 0.79| 4.9 3.9 4000 152 22 103 13| 2.2 0.0 2.2| 96.9 0.0 96.9 24.2 0.74| 4.0 3.0 5000 156 22 109 12| 1.7 0.0 1.7| 97.7 0.0 97.7 19.5 0.70| 3.4 2.4 6000 159 22 112 11| 1.3 0.0 1.3| 97.9 -1.3 96.6 16.1 0.61| 3.2 1.9 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20251013.12.gif