UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101712.upa.cvt Date: 1200Z 17 OCT 25 Searching for U3921... Searching the city database file for: U3921 ... Date:1200Z 17 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 97 2.8 -0.3 80 3.1 1.5 185 5 275.5 276.1 274.3 285.6 3.71 1 1000 145 2.4 -0.7 80 3.1 1.1 175 5 275.5 276.2 274.3 285.5 3.63 2 938 659 -0.9 -2.9 86 2.0 -1.7 196 10 277.3 277.8 274.8 286.4 3.29 3 925 770 -0.9 -2.5 89 1.6 -1.6 200 11 278.4 279.0 275.6 287.9 3.43 4 889 1088 -0.5 -2.4 87 1.9 -1.3 200 15 282.0 282.6 277.7 292.1 3.60 5 850 1445 -2.9 -5.1 85 2.2 -3.7 200 19 283.1 283.6 277.6 291.9 3.07 6 793 1991 -6.1 -7.3 91 1.2 -6.5 198 23 285.4 285.8 278.3 293.4 2.78 7 774 2181 -6.7 -8.3 88 1.6 -7.2 198 24 286.7 287.2 278.8 294.4 2.64 8 758 2343 -8.9 -12.1 78 3.2 -9.9 197 25 286.0 286.4 277.6 291.9 1.99 9 740 2529 -8.7 -13.3 69 4.6 -10.1 196 26 288.2 288.6 278.5 293.7 1.85 10 735 2582 -8.7 -13.3 69 4.6 -10.1 196 26 288.8 289.1 278.8 294.4 1.86 11 700 2959 -10.1 -13.0 79 2.9 -11.0 195 29 291.3 291.7 280.1 297.3 2.01 12 591 4250 -15.3 -18.9 74 3.6 -16.2 203 27 299.7 300.0 283.1 304.3 1.45 13 528 5091 -21.5 -24.5 77 3.0 -22.1 208 26 302.1 302.3 283.5 305.3 1.00 14 500 5490 -24.3 -27.9 72 3.6 -24.9 210 25 303.4 303.6 283.8 306.0 0.77 15 478 5815 -26.3 -30.1 70 3.8 -26.9 206 27 304.9 305.0 284.2 307.1 0.66 16 400 7070 -36.7 -41.2 63 4.5 -37.1 190 35 307.3 307.3 284.7 308.2 0.26 17 372 7567 -40.9 -44.8 66 3.9 -41.1 190 38 308.2 308.2 284.9 308.8 0.19 18 300 9000 -50.1 -54.8 58 4.7 -50.3 190 48 314.7 314.7 287.1 315.0 0.07 19 254 10079 -56.3 -61.3 53 5.0 -56.4 195 44 320.9 320.9 289.0 321.1 0.04 20 250 10180 -56.3 -61.3 53 5.0 -56.4 190 42 322.4 322.4 289.5 322.5 0.04 21 232 10654 -57.1 -62.1 53 5.0 -57.2 198 39 328.1 328.1 291.2 328.3 0.04 22 220 10992 -54.3 -59.3 54 5.0 -54.4 204 37 337.5 337.5 293.7 337.7 0.06 23 200 11600 -56.1 -62.1 47 6.0 -56.2 215 33 343.9 343.9 295.3 344.1 0.04 24 163 12941 -54.1 -62.1 37 8.0 -54.4 219 31 368.0 368.0 300.2 368.3 0.06 25 70 18410 -57.5 -72.5 13 15.0 -58.0 235 23 461.4 461.4 311.9 461.5 0.03 26 64 18919 -57.7 -73.7 11 16.0 -58.2 242 21 472.9 472.9 312.9 473.1 0.03 27 50 20340 -59.1 -77.1 8 18.0 -59.7 260 15 504.2 504.2 315.2 504.3 0.02 28 40 21737 -60.5 -78.5 8 18.0 -61.1 275 14 533.9 533.9 317.2 534.1 0.02 29 30 23540 -58.3 -77.3 7 19.0 -59.3 295 13 585.7 585.7 319.9 585.9 0.03 30 26 24437 -58.3 -78.3 6 20.0 -59.5 299 14 610.2 610.2 321.1 610.4 0.03 31 20 26080 -59.3 -79.3 6 20.0 -60.6 305 15 654.7 654.7 322.9 655.0 0.04 32 10 30489 -52.7 -74.7 5 22.0 -56.9 822.8 822.9 327.8 824.4 0.15 TRP 254 10079 -56.3 -61.3 53 5.0 -56.4 195 44 320.9 320.9 289.0 321.1 0.04 WND Sounding variables and indices 1000-500 mb thick: 5345.00 m Freezing level: 954.91 mb = 518.58 m = 1701.35 ft Wetbulb zero: 975.02 mb = 348.00 m = 1141.72 ft Precipitable water: 0.51 inches Sfc-500 mean rel hum: 79.73 % Est. max temperature: 10.27 C = 50.48 F Sfc-Lift cond lev (LCL): 958.77 mb = 482.86 m = 1584.18 ft T: 0.23 C 700-500 lapse rate: 5.61 C/km ThetaE index: 2.48 C Layer 758.0- 740.0 mb Conv cond level (CCL): 833.30 mb = 1601.18 m = 5253.15 ft Mean mixing ratio: 3.46 g/kg Conv temperature: 11.09 C = 51.97 F Cap Strength: 13.81 C Lifted Index: 14.44 C Risk: None Lifted Index @300 mb: 19.90 C Lifted Index @700 mb: 7.75 C Showalter Index: 10.54 C Risk: None Total Totals Index: 40.60 C Risk: None Vertical Totals Index: 21.40 C Cross Totals Index: 19.20 C K Index: 13.40 Risk: None Sweat Index: 109.71 Risk: None Energy Index: 2.92 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.94 J/kg Max Up Vert Vel: 5.65 m/s Conv Inhibition (B-): 69013.14 J/kg Cap Strength: 14.44 C Lift Cond Lev (LCL): 920.83 mb = 806.10 m = 2644.67 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 231 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 1006 97 185 5 0.4 5.0 | 65 14 -12.8 -5.9 1 1000 145 175 5 -0.4 5.0 | 67 15 -13.7 -5.9 2 925 770 200 11 3.8 10.3 | 87 10 -9.5 -0.5 3 850 1445 200 19 6.5 17.9 | 136 10 -6.8 7.0 4 700 2959 195 29 7.5 28.0 | 161 18 -5.8 17.1 5 500 5490 210 25 12.5 21.7 | 176 11 -0.8 10.8 6 400 7070 190 35 6.1 34.5 | 163 25 -7.2 23.6 7 300 9000 190 48 8.3 47.3 | 172 37 -4.9 36.4 8 254 10079 195 44 11.4 42.5 | 177 32 -1.9 31.6 9 250 10180 190 42 7.3 41.4 | 169 31 -6.0 30.5 10 200 11600 215 33 18.9 27.0 | 199 17 5.7 16.1 11 70 18410 235 23 18.8 13.2 | 248 6 5.6 2.3 12 50 20340 260 15 14.8 2.6 | 350 8 1.5 -8.3 13 30 23540 295 13 11.8 -5.5 | 5 16 -1.5 -16.4 14 20 26080 305 15 12.3 -8.6 | 3 20 -1.0 -19.5 Wind Parameters Mean winds (0-6000m): 200.6 at 22.9 knts Storm direction: 230.6 at 17.2 knts Shear (0-3000m) pos: 1.7 neg: 2.4 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): 96.9 deg Storm rel helicity (0-3000m) pos: 54.5 neg: 0.0 tot: 54.5 m^2/s^2 ave: 18.2 10^-3 m/s^2 rel: 0.71 Storm rel vorticity (0-3000m) horiz: 4.4 stream: 3.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.46 Bulk Shear: 34.81 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 ------------------------------------------------------------------------------- 500 186 7 72 13| 4.6 0.0 4.6| 12.7 0.0 12.7 25.5 0.69| 5.4 3.7 1000 195 9 81 11| 5.2 0.0 5.2| 24.6 0.0 24.6 24.6 0.76| 5.7 4.3 1500 198 12 94 10| 3.5 1.8 5.2| 36.3 0.0 36.3 24.2 0.81| 5.6 4.5 2000 198 15 108 9| 2.6 2.2 4.8| 43.0 0.0 43.0 21.5 0.79| 5.1 4.0 2500 198 17 121 10| 2.1 2.4 4.5| 49.3 0.0 49.3 19.7 0.74| 4.7 3.5 3000 197 19 131 10| 1.7 2.4 4.1| 54.5 0.0 54.5 18.2 0.71| 4.4 3.1 4000 197 21 142 11| 1.2 1.8 3.0| 61.0 0.0 61.0 15.2 0.68| 3.7 2.5 5000 199 22 149 12| 1.0 1.4 2.4| 65.8 0.0 65.8 13.2 0.66| 3.3 2.2 6000 201 23 154 12| 0.8 1.5 2.4| 67.3 -3.6 63.7 10.6 0.54| 3.3 1.8 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20251017.12.gif