UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025061212.upa.cvt Date: 1200Z 12 JUN 25 Searching for U3921... Searching the city database file for: U3921 ... Date:1200Z 12 JUN 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 1000 96 26.2 18.2 61 8.0 20.7 170 1 299.4 301.8 293.9 338.1 13.26 1 956 489 23.4 10.4 44 13.0 15.3 231 3 300.4 301.9 290.2 324.9 8.30 2 925 774 21.2 8.2 43 13.0 13.4 275 5 301.0 302.3 289.6 322.9 7.39 3 850 1500 14.8 5.8 55 9.0 9.6 270 9 301.6 302.9 289.3 322.0 6.81 4 700 3105 2.8 -6.2 52 9.0 -1.2 230 17 305.6 306.2 287.5 316.3 3.43 5 666 3505 0.0 -8.0 55 8.0 -3.4 226 17 306.8 307.4 287.6 316.7 3.14 6 625 4011 -2.9 -13.9 42 11.0 -6.9 220 17 309.1 309.5 287.3 315.9 2.09 7 591 4451 -6.1 -13.1 58 7.0 -8.7 215 17 310.4 310.8 288.1 318.0 2.36 8 548 5038 -9.3 -20.3 40 11.0 -12.5 208 17 313.4 313.6 288.1 318.0 1.39 9 500 5740 -13.9 -21.9 51 8.0 -16.1 200 17 316.1 316.3 288.9 320.6 1.32 10 489 5909 -15.1 -23.1 50 8.0 -17.2 200 19 316.6 316.9 289.0 320.8 1.22 11 444 6633 -19.7 -33.7 28 14.0 -22.2 203 30 319.7 319.8 289.2 321.5 0.50 12 400 7400 -24.9 -34.9 39 10.0 -26.5 205 42 322.6 322.7 290.1 324.4 0.49 13 373 7903 -28.7 -37.7 42 9.0 -29.9 205 45 324.1 324.2 290.5 325.6 0.40 14 300 9420 -41.3 -53.3 26 12.0 -41.9 205 54 327.2 327.2 291.0 327.5 0.09 15 255 10501 -51.3 -62.3 26 11.0 -51.5 201 63 327.9 327.9 291.2 328.1 0.03 16 250 10630 -52.1 -63.1 25 11.0 -52.3 200 64 328.6 328.6 291.3 328.7 0.03 17 249 10656 -52.2 -63.2 25 11.0 -52.5 200 64 328.8 328.8 291.4 328.9 0.03 18 224 11334 -55.9 -66.9 24 11.0 -56.1 200 52 333.3 333.3 292.6 333.4 0.02 19 213 11656 -53.7 -64.7 25 11.0 -53.9 204 44 341.5 341.5 294.7 341.6 0.03 20 200 12060 -53.9 -65.9 22 12.0 -54.2 210 33 347.4 347.4 296.1 347.5 0.03 21 180 12737 -54.5 -67.5 19 13.0 -54.8 210 29 357.1 357.1 298.1 357.2 0.02 22 150 13910 -53.1 -69.1 13 16.0 -53.5 210 23 378.6 378.6 302.1 378.7 0.02 23 130 14839 -49.3 -67.3 10 18.0 -50.0 206 23 401.2 401.2 305.4 401.4 0.03 24 101 16476 -53.5 -75.5 5 22.0 -54.1 200 23 423.2 423.2 308.1 423.2 0.01 25 100 16540 -53.7 -75.7 5 22.0 -54.3 200 23 424.0 424.0 308.2 424.0 0.01 26 85 17586 -54.3 -78.3 4 24.0 -54.9 184 18 442.9 442.9 310.2 443.0 0.01 27 70 18840 -52.1 -76.1 4 24.0 -53.1 165 11 472.9 472.9 312.9 473.0 0.02 28 61 19731 -50.3 -74.3 4 24.0 -51.7 149 9 495.9 495.9 314.7 496.1 0.03 29 50 21020 -51.5 -75.5 4 24.0 -52.9 125 5 522.1 522.1 316.4 522.3 0.03 30 34 23539 -47.9 -73.9 3 26.0 -50.7 144 8 592.5 592.5 320.3 592.8 0.05 31 30 24360 -49.5 -74.5 4 25.0 -52.1 150 9 609.7 609.7 321.0 610.1 0.05 32 20 27040 -46.5 -72.5 4 26.0 -51.0 100 11 693.8 693.9 324.3 694.8 0.11 33 17 28118 -46.9 -72.9 4 26.0 -51.7 725.6 725.6 325.3 726.6 0.12 34 13 29919 -40.9 -67.9 4 27.0 -49.1 804.2 804.4 327.4 807.4 0.32 35 11 31070 -34.9 -62.9 4 28.0 -46.9 865.4 865.7 328.9 873.3 0.74 TRP 224 11334 -55.9 -66.9 24 11.0 -56.1 200 52 333.3 333.3 292.6 333.4 0.02 WND 249 10656 -52.2 -63.2 25 11.0 -52.5 200 64 328.8 328.8 291.4 328.9 0.03 Sounding variables and indices 1000-500 mb thick: 5643.87 m Freezing level: 666.00 mb = 3505.27 m = 11500.07 ft Wetbulb zero: 716.75 mb = 2909.48 m = 9545.43 ft Precipitable water: 1.02 inches Sfc-500 mean rel hum: 50.03 % Est. max temperature: 28.50 C = 83.30 F Sfc-Lift cond lev (LCL): 889.84 mb = 1106.76 m = 3631.05 ft T: 18.27 C 700-500 lapse rate: 6.34 C/km ThetaE index: 21.81 C Layer 956.0- 666.0 mb Conv cond level (CCL): 763.57 mb = 2386.39 m = 7829.26 ft Mean mixing ratio: 8.96 g/kg Conv temperature: 30.73 C = 87.32 F Cap Strength: 2.29 C Lifted Index: -1.15 C Risk: Thunderstorms probable Lifted Index @300 mb: 1.04 C Lifted Index @700 mb: -0.38 C Showalter Index: 1.43 C Risk: Showers probable Total Totals Index: 48.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 28.70 C Cross Totals Index: 19.70 C K Index: 25.50 Risk: 40-60 % chance of thunderstorms Sweat Index: 104.60 Risk: None Energy Index: -0.29 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 158.25 J/kg Max Up Vert Vel: 17.79 m/s Conv Inhibition (B-): 88.72 J/kg Cap Strength: 2.29 C Lift Cond Lev (LCL): 801.82 mb = 1982.41 m = 6503.89 ft Lev Free Conv (LFC): 706.82 mb = 3024.89 m = 9924.07 ft Equ Level (EL): 396.82 mb = 7457.55 m = 24466.74 ft B at Equ Level: 157.60 J/kg Max Parcel Lev (MPL): 226.82 mb = 11254.01 m = 36922.16 ft Wind level data Storm motion: 255 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 1000 96 170 1 -0.2 1.0 | 81 10 -9.9 -1.6 1 1000 93 170 1 -0.2 1.0 | 81 10 -9.9 -1.6 2 925 774 275 5 5.0 -0.4 | 57 6 -4.8 -3.1 3 850 1500 270 9 9.0 -0.0 | 16 3 -0.8 -2.6 4 700 3105 230 17 13.0 10.9 | 201 9 3.3 8.3 5 500 5740 200 17 5.8 16.0 | 164 14 -4.0 13.4 6 400 7400 205 42 17.7 38.1 | 193 36 8.0 35.4 7 300 9420 205 54 22.8 48.9 | 196 48 13.1 46.3 8 250 10630 200 64 21.9 60.1 | 192 59 12.1 57.5 9 249 10656 200 64 21.9 60.1 | 192 59 12.1 57.5 10 224 11334 200 52 17.8 48.9 | 190 47 8.0 46.2 11 200 12060 210 33 16.5 28.6 | 195 27 6.7 26.0 12 150 13910 210 23 11.5 19.9 | 186 17 1.7 17.3 13 100 16540 200 23 7.9 21.6 | 174 19 -1.9 19.0 14 70 18840 165 11 -2.8 10.6 | 122 15 -12.6 8.0 15 50 21020 125 5 -4.1 2.9 | 91 14 -13.9 0.2 16 30 24360 150 9 -4.5 7.8 | 110 15 -14.3 5.2 17 20 27040 100 11 -10.8 1.9 | 88 21 -20.6 -0.7 Wind Parameters Mean winds (0-6000m): 225.0 at 13.5 knts Storm direction: 255.0 at 10.1 knts Shear (0-3000m) pos: 1.2 neg: 2.2 tot: 3.4 10-3/s Storm rel Dir Shear (0-3000m): 120.9 deg Storm rel helicity (0-3000m) pos: 2.7 neg: -14.5 tot: -11.8 m^2/s^2 ave: -3.9 10^-3 m/s^2 rel: -0.53 Storm rel vorticity (0-3000m) horiz: 3.9 stream: -2.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 8.80 Bulk Shear: 17.98 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 ------------------------------------------------------------------------------- 500 264 2 72 8| 4.0 0.0 4.0| 2.7 -1.6 1.0 2.1 0.04| 4.6 0.2 1000 269 4 66 6| 3.6 0.0 3.6| 2.7 -6.4 -3.7 -3.7 -0.36| 4.4 -1.6 1500 270 5 60 5| 2.4 1.0 3.4| 2.7 -8.1 -5.4 -3.6 -0.45| 3.9 -1.8 2000 266 7 55 4| 1.8 1.5 3.3| 2.7 -9.3 -6.6 -3.3 -0.55| 3.8 -2.1 2500 259 8 60 2| 1.5 1.9 3.4| 2.7 -11.1 -8.4 -3.3 -0.54| 3.9 -2.1 3000 250 9 121 1| 1.2 2.2 3.4| 2.7 -14.5 -11.8 -3.9 -0.53| 3.9 -2.1 4000 240 11 180 3| 0.9 1.8 2.7| 2.7 -22.0 -19.3 -4.8 -0.57| 3.4 -1.9 5000 232 12 181 5| 0.7 1.6 2.3| 2.7 -30.4 -27.8 -5.6 -0.60| 3.1 -1.8 6000 225 13 178 7| 0.6 1.8 2.4| 15.2 -36.2 -20.9 -3.5 -0.44| 3.2 -1.4 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20250612.12.gif