UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101512.upa.cvt Date: 1200Z 15 OCT 25 Searching for U3921... Searching the city database file for: U3921 ... Date:1200Z 15 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 1014 73 2.8 2.8 100 0.0 2.8 135 5 274.9 275.6 275.2 287.3 4.61 1 1000 185 2.0 1.0 93 1.0 1.5 145 9 275.1 275.8 274.7 286.3 4.11 2 937 722 -0.9 -1.8 94 0.9 -1.3 174 12 277.4 278.0 275.2 287.2 3.57 3 925 828 1.6 0.6 93 1.0 1.1 180 13 280.9 281.7 278.1 292.9 4.32 4 915 916 2.2 1.2 93 1.0 1.7 181 13 282.4 283.2 279.1 295.2 4.56 5 850 1507 -0.7 -1.7 93 1.0 -1.2 190 15 285.4 286.1 279.8 296.7 3.97 6 815 1842 -2.9 -3.8 93 0.9 -3.3 193 18 286.5 287.2 279.8 296.7 3.54 7 700 3038 -7.5 -8.4 93 0.9 -7.8 205 27 294.2 294.7 282.5 302.8 2.90 8 640 3732 -10.3 -11.7 89 1.4 -10.8 206 32 298.6 299.1 283.8 306.1 2.44 9 500 5590 -22.3 -24.7 81 2.4 -22.8 210 46 305.9 306.0 285.0 309.2 1.03 10 483 5843 -23.5 -26.2 78 2.7 -24.0 209 47 307.4 307.6 285.5 310.5 0.93 11 400 7190 -33.9 -36.9 74 3.0 -34.2 205 54 310.9 311.0 286.2 312.3 0.40 12 300 9140 -48.3 -51.5 69 3.2 -48.4 205 66 317.3 317.3 288.0 317.7 0.11 13 268 9875 -54.1 -57.4 67 3.3 -54.2 208 70 319.2 319.2 288.6 319.5 0.06 14 250 10320 -56.3 -59.4 68 3.1 -56.3 210 73 322.4 322.4 289.5 322.6 0.05 15 227 10927 -59.7 -62.9 66 3.2 -59.7 210 77 326.2 326.2 290.7 326.3 0.04 16 212 11351 -62.1 -65.3 65 3.2 -62.1 210 75 328.9 328.9 291.5 329.0 0.03 17 200 11710 -62.3 -65.7 64 3.4 -62.3 210 68 334.1 334.1 292.9 334.2 0.03 18 184 12226 -62.3 -65.8 63 3.5 -62.3 213 61 342.2 342.2 294.8 342.3 0.03 19 166 12870 -58.5 -62.4 61 3.9 -58.6 216 52 358.7 358.8 298.5 359.0 0.05 20 150 13510 -57.5 -61.7 59 4.2 -57.6 220 44 371.0 371.0 300.8 371.3 0.06 21 121 14866 -55.9 -60.9 53 5.0 -56.1 217 33 397.5 397.5 304.9 397.9 0.09 22 100 16070 -57.3 -64.3 41 7.0 -57.5 215 23 417.0 417.0 307.4 417.4 0.07 23 70 18320 -58.3 -67.3 31 9.0 -58.6 225 11 459.7 459.7 311.8 460.0 0.06 24 50 20420 -60.9 -70.9 26 10.0 -61.3 290 11 500.0 500.0 314.9 500.3 0.05 25 36 22460 -62.3 -72.3 25 10.0 -62.7 293 11 545.6 545.6 317.9 546.0 0.06 26 30 23590 -61.3 -72.3 22 11.0 -61.9 295 11 577.5 577.6 319.6 578.1 0.07 27 28 24020 -59.9 -70.9 22 11.0 -60.7 592.9 593.0 320.3 593.6 0.10 TRP 212 11351 -62.1 -65.3 65 3.2 -62.1 210 75 328.9 328.9 291.5 329.0 0.03 WND 227 10927 -59.7 -62.9 66 3.2 -59.7 210 77 326.2 326.2 290.7 326.3 0.04 Sounding variables and indices 1000-500 mb thick: 5405.00 m Freezing level: 956.55 mb = 555.24 m = 1821.64 ft Freezing level: 932.68 mb = 760.06 m = 2493.62 ft Freezing level: 865.69 mb = 1364.25 m = 4475.83 ft Wetbulb zero: 965.43 mb = 475.24 m = 1559.15 ft Precipitable water: 0.68 inches Sfc-500 mean rel hum: 90.24 % Est. max temperature: 12.74 C = 54.93 F Sfc-Lift cond lev (LCL): 1013.86 mb = 73.93 m = 242.57 ft T: 2.79 C 700-500 lapse rate: 5.80 C/km ThetaE index: 1.00 C Layer 1000.0- 937.0 mb Conv cond level (CCL): 955.21 mb = 563.05 m = 1847.24 ft Mean mixing ratio: 3.99 g/kg Conv temperature: 4.67 C = 40.40 F Cap Strength: 12.00 C Lifted Index: 15.41 C Risk: None Lifted Index @300 mb: 20.76 C Lifted Index @700 mb: 9.41 C Showalter Index: 9.00 C Risk: None Total Totals Index: 42.20 C Risk: None Vertical Totals Index: 21.60 C Cross Totals Index: 20.60 C K Index: 19.00 Risk: < 20 % chance of thunderstorms Sweat Index: 143.75 Risk: None Energy Index: 2.58 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 24.77 J/kg Max Up Vert Vel: 7.04 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 15.12 C Lift Cond Lev (LCL): 949.72 mb = 610.64 m = 2003.39 ft Lev Free Conv (LFC): 944.72 mb = 654.19 m = 2146.27 ft Equ Level (EL): 934.72 mb = 741.95 m = 2434.20 ft B at Equ Level: 22.02 J/kg Max Parcel Lev (MPL): 904.72 mb = 1006.32 m = 3301.53 ft Wind level data Storm motion: 234 at 21 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 1014 73 135 5 -3.5 3.5 | 67 22 -20.4 -8.8 1 1000 185 145 9 -5.2 7.4 | 77 23 -22.0 -5.0 2 925 828 180 13 0.0 13.0 | 92 17 -16.8 0.6 3 850 1507 190 15 2.6 14.8 | 100 14 -14.2 2.4 4 700 3038 205 27 11.4 24.5 | 156 13 -5.4 12.1 5 500 5590 210 46 23.0 39.8 | 193 28 6.2 27.5 6 400 7190 205 54 22.8 48.9 | 189 37 6.0 36.6 7 300 9140 205 66 27.9 59.8 | 193 49 11.1 47.4 8 250 10320 210 73 36.5 63.2 | 201 55 19.7 50.8 9 227 10927 210 77 38.5 66.7 | 202 58 21.7 54.3 10 212 11351 210 75 37.5 65.0 | 201 56 20.7 52.6 11 200 11710 210 68 34.0 58.9 | 200 50 17.2 46.5 12 150 13510 220 44 28.3 33.7 | 208 24 11.4 21.3 13 100 16070 215 23 13.2 18.8 | 151 7 -3.6 6.5 14 70 18320 225 11 7.8 7.8 | 63 10 -9.1 -4.6 15 50 20420 290 11 10.3 -3.8 | 22 17 -6.5 -16.1 16 30 23590 295 11 10.0 -4.6 | 22 18 -6.9 -17.0 Wind Parameters Mean winds (0-6000m): 203.7 at 27.9 knts Storm direction: 233.7 at 20.9 knts Shear (0-3000m) pos: 4.5 neg: 0.0 tot: 4.5 10-3/s Storm rel Dir Shear (0-3000m): 90.2 deg Storm rel helicity (0-3000m) pos: 107.3 neg: 0.0 tot: 107.3 m^2/s^2 ave: 35.8 10^-3 m/s^2 rel: 0.86 Storm rel vorticity (0-3000m) horiz: 4.9 stream: 4.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.36 Bulk Shear: 69.25 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 ------------------------------------------------------------------------------- 500 154 9 80 21| 7.8 0.0 7.8| 43.2 0.0 43.2 86.5 0.87| 8.8 7.7 1000 169 11 86 19| 5.7 0.0 5.7| 55.6 0.0 55.6 55.6 0.78| 6.7 5.2 1500 177 12 90 18| 4.6 0.0 4.6| 62.8 0.0 62.8 41.9 0.76| 5.4 4.1 2000 182 14 94 16| 4.5 0.0 4.5| 77.5 0.0 77.5 38.8 0.81| 5.1 4.1 2500 187 15 100 15| 4.5 0.0 4.5| 92.3 0.0 92.3 36.9 0.84| 5.0 4.2 3000 192 17 107 14| 4.5 0.0 4.5|107.3 0.0 107.3 35.8 0.86| 4.9 4.2 4000 197 20 123 13| 4.3 0.0 4.3|130.0 0.0 130.0 32.5 0.83| 4.6 3.9 5000 201 24 141 13| 4.2 0.0 4.2|154.6 0.0 154.6 30.9 0.79| 4.5 3.5 6000 204 28 157 14| 3.8 0.2 4.1|168.0 -3.3 164.8 27.5 0.72| 4.3 3.1 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20251015.12.gif