UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101812.upa.cvt Date: 1200Z 18 OCT 25 Searching for U3921... Searching the city database file for: U3921 ... Date:1200Z 18 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 96 0.8 0.8 100 0.0 0.8 195 1 273.5 274.2 273.6 284.3 4.02 1 1000 144 0.2 -1.3 90 1.5 -0.4 185 1 273.4 273.9 272.8 282.8 3.47 2 987 249 -0.5 -1.9 90 1.4 -1.0 191 2 273.7 274.2 272.8 282.8 3.36 3 973 363 0.8 -0.3 92 1.1 0.3 197 3 276.1 276.7 274.9 286.6 3.84 4 925 770 0.6 -3.8 72 4.4 -1.1 220 7 279.9 280.5 276.0 288.7 3.12 5 914 866 0.4 -4.6 69 5.0 -1.5 218 7 280.7 281.2 276.2 289.1 2.97 6 850 1444 -3.7 -11.7 54 8.0 -6.2 205 9 282.3 282.6 275.4 287.6 1.83 7 820 1727 -5.5 -12.5 58 7.0 -7.6 217 8 283.3 283.6 275.9 288.5 1.78 8 716 2783 -9.1 -28.1 20 19.0 -12.9 262 5 290.5 290.6 277.7 292.2 0.53 9 700 2957 -10.3 -30.3 18 20.0 -14.0 270 5 291.1 291.2 277.9 292.5 0.44 10 688 3089 -11.3 -33.3 14 22.0 -15.0 267 6 291.4 291.5 277.9 292.5 0.34 11 539 4915 -22.5 -35.5 30 13.0 -24.2 220 13 299.1 299.2 281.4 300.3 0.34 12 500 5460 -26.5 -39.5 28 13.0 -27.9 205 15 300.7 300.8 282.0 301.6 0.25 13 400 7040 -37.9 -45.9 43 8.0 -38.4 200 19 305.7 305.8 283.9 306.3 0.16 14 302 8917 -51.5 -56.5 55 5.0 -51.6 205 17 312.2 312.2 286.2 312.4 0.06 15 300 8960 -51.7 -56.7 55 5.0 -51.8 205 17 312.5 312.5 286.3 312.7 0.06 16 260 9881 -55.3 -59.9 56 4.6 -55.4 205 23 320.2 320.2 288.9 320.4 0.05 17 250 10130 -56.9 -61.7 54 4.8 -57.0 205 25 321.5 321.5 289.2 321.6 0.04 18 240 10387 -57.5 -62.4 54 4.9 -57.6 205 25 324.3 324.4 290.1 324.5 0.04 19 217 11022 -56.5 -61.5 53 5.0 -56.6 213 24 335.4 335.4 293.2 335.6 0.04 20 200 11540 -54.5 -59.5 54 5.0 -54.6 220 23 346.5 346.5 295.9 346.7 0.06 21 194 11735 -53.1 -59.1 48 6.0 -53.3 222 22 351.7 351.7 297.1 352.0 0.07 22 150 13390 -53.5 -62.5 33 9.0 -53.8 240 17 377.9 377.9 301.9 378.2 0.06 23 116 15048 -51.7 -63.7 22 12.0 -52.2 234 20 410.1 410.1 306.6 410.4 0.06 24 100 16000 -56.1 -70.1 16 14.0 -56.5 230 21 419.3 419.3 307.6 419.5 0.03 25 91 16593 -57.9 -71.9 15 14.0 -58.3 238 20 427.2 427.2 308.6 427.4 0.03 26 87 16877 -55.9 -70.9 14 15.0 -56.4 242 20 436.8 436.8 309.6 436.9 0.03 27 70 18250 -56.9 -72.9 12 16.0 -57.5 260 19 462.7 462.7 312.0 462.8 0.03 28 50 20380 -58.3 -76.3 8 18.0 -58.9 260 11 506.1 506.1 315.4 506.2 0.02 29 30 23580 -59.7 -78.7 7 19.0 -60.6 275 19 581.9 581.9 319.8 582.1 0.03 30 26 24473 -60.5 -79.5 7 19.0 -61.4 284 19 603.9 603.9 320.8 604.1 0.03 31 20 26120 -57.3 -78.3 5 21.0 -59.0 300 19 660.8 660.8 323.1 661.1 0.04 32 13 28848 -57.1 -79.1 5 22.0 -59.5 278 26 748.1 748.1 325.9 748.6 0.06 33 10 30520 -54.5 -77.5 4 23.0 -58.2 265 31 816.1 816.2 327.7 817.1 0.10 34 7.9 32041 -51.3 -75.3 4 24.0 -56.8 885.8 885.9 329.2 887.7 0.18 TRP 240 10387 -57.5 -62.4 54 4.9 -57.6 205 25 324.3 324.4 290.1 324.5 0.04 WND Sounding variables and indices 1000-500 mb thick: 5316.00 m Freezing level: 996.29 mb = 173.96 m = 570.71 ft Freezing level: 981.62 mb = 292.91 m = 961.00 ft Freezing level: 907.76 mb = 922.40 m = 3026.20 ft Wetbulb zero: 1002.00 mb = 128.00 m = 419.93 ft Precipitable water: 0.31 inches Sfc-500 mean rel hum: 40.08 % Est. max temperature: 9.45 C = 49.01 F Sfc-Lift cond lev (LCL): 1005.82 mb = 97.45 m = 319.71 ft T: 0.78 C 700-500 lapse rate: 6.47 C/km ThetaE index: 1.57 C Layer 1000.0- 987.0 mb Conv cond level (CCL): 848.36 mb = 1459.20 m = 4787.33 ft Mean mixing ratio: 3.40 g/kg Conv temperature: 9.66 C = 49.38 F Cap Strength: 11.52 C Lifted Index: 12.27 C Risk: None Lifted Index @300 mb: 18.33 C Lifted Index @700 mb: 7.55 C Showalter Index: 11.54 C Risk: None Total Totals Index: 37.60 C Risk: None Vertical Totals Index: 22.80 C Cross Totals Index: 14.80 C K Index: -8.90 Risk: None Sweat Index: 33.00 Risk: None Energy Index: 2.95 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 30.34 J/kg Max Up Vert Vel: 7.79 m/s Conv Inhibition (B-): 60022.65 J/kg Cap Strength: 12.13 C Lift Cond Lev (LCL): 915.87 mb = 849.62 m = 2787.44 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 247 at 7 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 96 195 1 0.3 1.0 | 74 6 -5.9 -1.7 1 1000 144 185 1 0.1 1.0 | 75 6 -6.1 -1.7 2 925 770 220 7 4.5 5.4 | 148 3 -1.7 2.7 3 850 1444 205 9 3.8 8.2 | 156 6 -2.4 5.5 4 700 2957 270 5 5.0 -0.0 | 24 3 -1.2 -2.7 5 500 5460 205 15 6.3 13.6 | 181 11 0.1 10.9 6 400 7040 200 19 6.5 17.9 | 181 15 0.3 15.2 7 300 8960 205 17 7.2 15.4 | 184 13 1.0 12.8 8 250 10130 205 25 10.6 22.7 | 192 20 4.4 20.0 9 240 10387 205 25 10.6 22.7 | 192 20 4.4 20.0 10 200 11540 220 23 14.8 17.6 | 210 17 8.6 15.0 11 150 13390 240 17 14.7 8.5 | 236 10 8.5 5.8 12 100 16000 230 21 16.1 13.5 | 222 15 9.9 10.8 13 70 18250 260 19 18.7 3.3 | 267 13 12.5 0.6 14 50 20380 260 11 10.8 1.9 | 279 5 4.6 -0.7 15 30 23580 275 19 18.9 -1.7 | 289 13 12.7 -4.3 16 20 26120 300 19 16.5 -9.5 | 320 16 10.3 -12.2 17 10 30520 265 31 30.9 2.7 | 270 25 24.7 0.0 Wind Parameters Mean winds (0-6000m): 216.8 at 9.0 knts Storm direction: 246.8 at 6.7 knts Shear (0-3000m) pos: 0.9 neg: 0.1 tot: 1.0 10-3/s Storm rel Dir Shear (0-3000m): -58.2 deg Storm rel helicity (0-3000m) pos: 8.8 neg: -0.4 tot: 8.4 m^2/s^2 ave: 2.8 10^-3 m/s^2 rel: 0.30 Storm rel vorticity (0-3000m) horiz: 3.1 stream: 1.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 6.12 Bulk Shear: 4.96 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 ------------------------------------------------------------------------------- 500 206 3 90 5| 4.5 0.0 4.5| 5.5 0.0 5.5 11.0 0.87| 4.7 4.1 1000 216 5 113 4| 3.6 0.0 3.6| 7.7 0.0 7.7 7.7 0.80| 4.0 3.2 1500 212 6 131 4| 2.4 0.2 2.6| 8.3 0.0 8.3 5.5 0.67| 3.5 2.3 2000 215 7 139 4| 1.6 0.2 1.7| 8.8 0.0 8.8 4.4 0.54| 3.4 1.9 2500 219 7 141 3| 1.1 0.1 1.2| 8.8 -0.2 8.6 3.5 0.36| 3.3 1.2 3000 222 6 138 3| 0.9 0.1 1.0| 8.8 -0.4 8.4 2.8 0.30| 3.1 1.0 4000 230 7 147 2| 0.7 0.7 1.4| 8.8 -2.2 6.7 1.7 0.06| 3.0 0.2 5000 225 8 165 3| 0.5 1.2 1.7| 8.8 -7.3 1.6 0.3 -0.06| 3.1 -0.2 6000 217 9 170 5| 0.4 1.3 1.8| 9.2 -11.2 -2.1 -0.3 -0.09| 3.0 -0.3 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20251018.12.gif