UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042900.upa.cvt Date: 0000Z 29 APR 25 Searching for U3955... Searching the city database file for: U3955 ... Date:0000Z 29 APR 25 Station: U3955 WMO ident: 23955 Latitude: 60.43 Longitude: 77.87 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 -57 SFC 987 50 5.6 5.6 100 0.0 5.6 150 5 279.8 280.8 279.4 295.6 5.78 2 925 587 9.6 9.5 99 0.1 9.6 195 13 289.1 290.5 286.0 311.9 8.08 3 909 732 10.2 10.1 99 0.1 10.2 199 15 291.2 292.7 287.2 315.5 8.56 4 850 1288 7.2 6.5 95 0.7 6.8 215 23 293.7 295.0 286.8 314.3 7.16 5 705 2803 -0.5 -1.3 94 0.8 -0.9 201 36 301.3 302.2 287.5 316.2 4.94 6 700 2860 -0.9 -1.7 94 0.8 -1.3 200 36 301.5 302.4 287.4 316.0 4.83 7 500 5470 -16.7 -18.2 88 1.5 -17.1 200 36 312.7 313.0 288.3 318.7 1.82 8 482 5743 -18.5 -20.0 88 1.5 -18.9 198 36 313.8 314.1 288.5 319.1 1.62 9 400 7100 -28.9 -31.8 76 2.9 -29.3 190 38 317.4 317.6 288.6 319.8 0.67 10 306 8948 -44.7 -49.4 59 4.7 -44.9 213 40 320.5 320.6 289.0 321.1 0.14 11 300 9080 -45.3 -50.0 59 4.7 -45.5 215 40 321.5 321.5 289.3 322.0 0.13 12 250 10280 -50.9 -56.9 49 6.0 -51.1 230 42 330.4 330.4 291.9 330.7 0.07 13 231 10790 -52.7 -58.7 48 6.0 -52.9 230 44 335.2 335.2 293.2 335.5 0.06 14 200 11720 -51.1 -57.1 49 6.0 -51.3 235 46 351.8 351.9 297.1 352.2 0.08 15 181 12371 -49.7 -56.7 44 7.0 -50.0 237 43 364.3 364.3 299.6 364.8 0.10 16 150 13600 -49.9 -56.9 44 7.0 -50.3 240 38 384.1 384.1 303.0 384.6 0.12 17 100 16240 -51.1 -59.1 38 8.0 -51.6 260 25 429.0 429.0 308.8 429.7 0.13 18 89 16996 -52.3 -60.3 38 8.0 -52.8 441.1 441.2 310.1 441.8 0.13 TRP 231 10790 -52.7 -58.7 48 6.0 -52.9 230 44 335.2 335.2 293.2 335.5 0.06 WND Sounding variables and indices 1000-500 mb thick: 5527.00 m Freezing level: 714.42 mb = 2704.80 m = 8873.90 ft Wetbulb zero: 721.23 mb = 2618.81 m = 8591.81 ft Precipitable water: 1.11 inches Sfc-500 mean rel hum: 93.85 % Est. max temperature: 20.07 C = 68.12 F Sfc-Lift cond lev (LCL): 987.00 mb = 50.47 m = 165.59 ft T: 5.60 C 700-500 lapse rate: 6.05 C/km ThetaE index: 1.19 C Layer 850.0- 705.0 mb Conv cond level (CCL): 987.00 mb = 50.47 m = 165.59 ft Mean mixing ratio: 7.47 g/kg Conv temperature: 9.31 C = 48.77 F Cap Strength: 4.28 C Lifted Index: 6.89 C Risk: None Lifted Index @300 mb: 9.82 C Lifted Index @700 mb: 4.24 C Showalter Index: 2.97 C Risk: Showers probable Total Totals Index: 47.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.90 C Cross Totals Index: 23.20 C K Index: 29.60 Risk: 40-60 % chance of thunderstorms Sweat Index: 160.00 Risk: None Energy Index: 0.82 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 52.59 J/kg Max Up Vert Vel: 10.26 m/s Conv Inhibition (B-): 13914.03 J/kg Cap Strength: 6.78 C Lift Cond Lev (LCL): 936.30 mb = 486.62 m = 1596.49 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 231 at 23 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 ---------------------------------------------------------- 0 987 50 150 5 -2.5 4.3 | 64 22 -20.1 -9.7 1 925 587 195 13 3.4 12.6 | 84 14 -14.2 -1.5 2 850 1288 215 23 13.2 18.8 | 137 6 -4.4 4.8 3 700 2860 200 36 12.3 33.8 | 165 20 -5.3 19.8 4 500 5470 200 36 12.3 33.8 | 165 20 -5.3 19.8 5 400 7100 190 38 6.6 37.4 | 155 26 -11.0 23.4 6 300 9080 215 40 22.9 32.8 | 196 19 5.4 18.7 7 250 10280 230 42 32.2 27.0 | 228 19 14.6 12.9 8 231 10790 230 44 33.7 28.3 | 229 21 16.1 14.2 9 200 11720 235 46 37.7 26.4 | 238 24 20.1 12.3 10 150 13600 240 38 32.9 19.0 | 252 16 15.3 4.9 11 100 16240 260 25 24.6 4.3 | 324 12 7.0 -9.7 Wind Parameters Mean winds (0-6000m): 201.4 at 30.0 knts Storm direction: 231.4 at 22.5 knts Shear (0-3000m) pos: 4.0 neg: 2.2 tot: 6.2 10-3/s Storm rel Dir Shear (0-3000m): 100.9 deg Storm rel helicity (0-3000m) pos: 69.5 neg: -0.0 tot: 69.5 m^2/s^2 ave: 23.2 10^-3 m/s^2 rel: 0.53 Storm rel vorticity (0-3000m) horiz: 6.4 stream: 3.4 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.82 Bulk Shear: 64.07 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 ------------------------------------------------------------------------------- 500 182 9 73 18| 9.6 0.0 9.6| 33.1 0.0 33.1 66.3 0.65| 10.2 6.6 1000 195 12 81 14| 9.0 0.0 9.0| 50.7 0.0 50.7 50.7 0.66| 9.4 6.2 1500 204 16 91 11| 8.0 0.0 8.0| 60.9 0.0 60.9 40.6 0.69| 8.5 5.9 2000 206 19 106 10| 6.0 1.2 7.2| 66.0 0.0 66.0 33.0 0.65| 7.6 4.9 2500 206 21 121 10| 4.8 2.0 6.8| 69.1 0.0 69.1 27.6 0.58| 7.1 4.1 3000 204 24 133 11| 4.0 2.2 6.2| 69.5 -0.0 69.5 23.2 0.53| 6.4 3.4 4000 203 27 145 13| 3.0 1.6 4.6| 69.5 -0.0 69.5 17.4 0.53| 4.8 2.6 5000 202 29 151 14| 2.4 1.3 3.7| 69.5 -0.0 69.5 13.9 0.53| 3.9 2.1 6000 201 30 154 15| 2.0 1.2 3.2| 69.5 -8.2 61.3 10.2 0.47| 3.4 1.6 Wrote GIF file: /home/apache/climate/data/raob//U3955/skewt/U3955.skewt.20250429.00.gif