UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112706.upa.cvt Date: 0600Z 27 NOV 25 Searching for LBSF... Searching the city database file for: LBSF ... Date:0600Z 27 NOV 25 Station: LBSF WMO ident: 15614 Latitude: 42.65 Longitude: 23.38 Elevation: 595.00 ------------------------------------------------------------------------------- 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 89 SFC 942 595 8.8 8.4 97 0.4 8.6 280 1 286.8 288.1 284.3 307.4 7.36 2 925 739 7.8 7.2 96 0.6 7.5 310 5 287.3 288.5 284.1 306.7 6.90 3 850 1435 5.2 5.2 100 0.0 5.2 155 7 291.6 292.8 285.4 310.3 6.53 4 700 2997 -3.5 -3.6 99 0.1 -3.6 170 11 298.6 299.4 285.7 311.2 4.19 5 629 3835 -7.7 -8.0 98 0.3 -7.8 190 31 303.1 303.7 286.5 313.3 3.33 6 500 5580 -19.7 -21.7 84 2.0 -20.2 205 33 309.0 309.3 286.5 313.5 1.35 7 493 5685 -20.3 -21.9 87 1.6 -20.7 204 33 309.5 309.8 286.7 314.0 1.34 8 400 7200 -32.7 -35.7 74 3.0 -33.0 200 35 312.5 312.6 286.8 314.1 0.46 9 388 7414 -34.5 -37.3 76 2.8 -34.8 199 37 312.9 312.9 286.8 314.3 0.40 10 367 7800 -37.9 -42.0 65 4.1 -38.2 197 41 313.4 313.4 286.8 314.3 0.26 11 352 8086 -40.5 -43.8 70 3.3 -40.7 196 44 313.6 313.7 286.9 314.4 0.22 12 346 8203 -41.5 -46.0 62 4.5 -41.8 195 45 313.8 313.8 286.9 314.5 0.18 13 89 16958 -64.5 -86.5 3 22.0 -64.7 215 19 416.8 416.8 307.3 416.8 0.00 TRP 89 16958 -64.5 -86.5 3 22.0 -64.7 215 19 416.8 416.8 307.3 416.8 0.00 WND Sounding variables and indices 1000-500 mb thick: 5491.00 m Freezing level: 760.34 mb = 2368.61 m = 7770.93 ft Wetbulb zero: 761.07 mb = 2324.07 m = 7624.81 ft Precipitable water: 0.85 inches Sfc-500 mean rel hum: 95.96 % Est. max temperature: 16.03 C = 60.85 F Sfc-Lift cond lev (LCL): 936.32 mb = 642.86 m = 2109.10 ft T: 8.47 C 700-500 lapse rate: 6.27 C/km ThetaE index: 0.73 C Layer 925.0- 850.0 mb Conv cond level (CCL): 875.49 mb = 1191.81 m = 3910.09 ft Mean mixing ratio: 6.76 g/kg Conv temperature: 12.02 C = 53.63 F Cap Strength: 2.71 C Lifted Index: 3.60 C Risk: None Lifted Index @300 mb: 10.85 C Lifted Index @700 mb: 1.40 C Showalter Index: 2.43 C Risk: Showers probable Total Totals Index: 49.80 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 24.90 C Cross Totals Index: 24.90 C K Index: 30.00 Risk: 60-80 % chance of thunderstorms Sweat Index: 125.40 Risk: None Energy Index: 0.58 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 21.37 J/kg Max Up Vert Vel: 6.54 m/s Conv Inhibition (B-): 11960.39 J/kg Cap Strength: 3.56 C Lift Cond Lev (LCL): 886.35 mb = 1090.31 m = 3577.08 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 221 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 ---------------------------------------------------------- 0 942 595 280 1 1.0 -0.2 | 38 16 -10.0 -12.7 1 925 739 310 5 3.8 -3.2 | 25 17 -7.2 -15.7 2 905 914 305 5 4.1 -2.9 | 24 17 -6.9 -15.4 3 850 1435 155 7 -3.0 6.3 | 66 15 -14.0 -6.2 4 841 1524 150 9 -4.5 7.8 | 73 16 -15.5 -4.7 5 779 2134 155 13 -5.5 11.8 | 87 17 -16.5 -0.7 6 750 2438 135 13 -9.2 9.2 | 81 20 -20.2 -3.3 7 722 2743 165 9 -2.3 8.7 | 74 14 -13.4 -3.8 8 700 2997 170 11 -1.9 10.8 | 83 13 -12.9 -1.7 9 642 3658 195 29 7.5 28.0 | 167 16 -3.5 15.5 10 617 3962 185 33 2.9 32.9 | 158 22 -8.2 20.4 11 593 4267 190 36 6.3 35.5 | 168 23 -4.8 22.9 12 500 5580 205 33 13.9 29.9 | 190 18 2.9 17.4 13 447 6401 200 29 9.9 27.3 | 176 15 -1.1 14.7 14 400 7200 200 35 12.0 32.9 | 183 20 0.9 20.4 15 341 8230 195 46 11.9 44.4 | 182 32 0.9 31.9 16 89 16958 215 19 10.9 15.6 | 178 3 -0.1 3.0 17 87 17069 210 17 8.5 14.7 | 131 3 -2.5 2.2 18 77 17678 240 38 32.9 19.0 | 254 23 21.9 6.5 Wind Parameters Mean winds (0-6000m): 191.4 at 22.2 knts Storm direction: 221.4 at 16.7 knts Shear (0-3000m) pos: 3.9 neg: 1.5 tot: 5.4 10-3/s Storm rel Dir Shear (0-3000m): 121.9 deg Storm rel helicity (0-3000m) pos: 117.2 neg: -34.1 tot: 83.2 m^2/s^2 ave: 27.7 10^-3 m/s^2 rel: 0.47 Storm rel vorticity (0-3000m) horiz: 9.6 stream: 4.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.29 Bulk Shear: 74.55 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 ------------------------------------------------------------------------------- 500 295 5 26 16| 0.0 5.0 5.0| 3.4 -18.8 -15.4 -30.8 -0.36| 9.6 -3.5 1000 208 6 48 11| 0.0 5.2 5.2| 36.7 -18.8 17.9 17.9 0.30| 11.5 3.5 1500 164 8 68 14| 1.2 3.5 4.6| 51.2 -18.8 32.5 21.6 0.39| 8.9 3.5 2000 154 9 73 16| 0.9 2.2 3.1| 51.2 -29.8 21.5 10.7 0.24| 8.5 2.0 2500 158 9 74 15| 1.6 1.8 3.4| 66.2 -34.1 32.1 12.8 0.28| 8.4 2.3 3000 169 11 83 13| 3.9 1.5 5.4|117.2 -34.1 83.2 27.7 0.47| 9.6 4.5 4000 181 17 112 12| 3.3 2.0 5.3|156.6 -45.3 111.3 27.8 0.44| 9.0 4.0 5000 188 20 133 11| 2.7 1.6 4.3|185.7 -45.3 140.4 28.1 0.47| 8.0 3.8 6000 191 22 144 11| 2.2 1.4 3.6|187.9 -61.5 126.4 21.1 0.40| 7.2 2.9 Wrote GIF file: /home/apache/climate/data/raob//LBSF/skewt/LBSF.skewt.20251127.06.gif