UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041612.upa.cvt Date: 1200Z 16 APR 25 Searching for LBSF... Searching the city database file for: LBSF ... Date:1200Z 16 APR 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 185 SFC 954 595 19.4 9.4 52 10.0 13.4 20 1 296.5 297.9 288.5 319.2 7.78 2 925 855 16.4 8.4 59 8.0 11.7 80 5 296.1 297.4 288.1 317.9 7.49 3 888 1201 13.2 8.2 72 5.0 10.3 135 5 296.2 297.6 288.3 318.6 7.70 4 875 1325 15.0 6.0 55 9.0 9.9 164 5 299.4 300.6 288.5 319.2 6.71 5 850 1570 13.4 5.4 58 8.0 8.9 220 5 300.2 301.4 288.7 319.9 6.63 6 764 2458 6.2 2.3 76 3.9 4.1 206 17 301.7 302.8 288.6 319.4 5.92 7 724 2898 4.4 -8.6 38 13.0 -1.0 235 24 304.4 304.9 286.4 313.0 2.76 8 700 3172 2.8 -4.2 60 7.0 -0.4 245 25 305.6 306.3 288.1 317.9 4.00 9 671 3512 0.2 -3.1 78 3.3 -1.4 252 20 306.4 307.2 288.9 320.4 4.54 10 662 3620 -0.3 -6.3 64 6.0 -2.9 254 18 307.0 307.7 288.2 318.3 3.60 11 574 4739 -10.3 -10.3 100 0.0 -10.3 259 19 308.1 308.6 288.0 317.7 3.04 12 561 4915 -11.9 -12.9 92 1.0 -12.2 258 19 308.2 308.7 287.5 316.2 2.52 13 551 5052 -12.5 -14.5 85 2.0 -13.2 257 19 309.1 309.5 287.5 316.3 2.26 14 542 5178 -12.9 -22.9 43 10.0 -15.4 257 19 310.1 310.3 286.6 313.8 1.12 15 540 5206 -12.7 -29.7 23 17.0 -16.3 257 19 310.6 310.8 286.3 312.7 0.60 16 500 5790 -15.3 -40.3 10 25.0 -19.1 255 19 314.4 314.4 287.2 315.2 0.23 17 491 5927 -16.1 -37.1 15 21.0 -19.6 255 20 315.0 315.1 287.5 316.2 0.32 18 438 6774 -23.5 -30.5 53 7.0 -24.7 246 25 316.1 316.3 288.3 318.5 0.69 19 404 7359 -28.5 -38.5 38 10.0 -29.7 240 25 317.0 317.1 288.2 318.3 0.34 20 400 7430 -29.1 -42.1 27 13.0 -30.4 240 25 317.2 317.2 288.1 318.0 0.24 21 397 7484 -29.1 -43.1 25 14.0 -30.5 241 26 317.9 317.9 288.3 318.6 0.21 22 361 8157 -34.5 -44.5 36 10.0 -35.3 253 32 319.4 319.4 288.8 320.1 0.20 23 313 9143 -40.9 -56.9 16 16.0 -41.6 270 36 323.8 323.8 290.0 324.0 0.06 24 300 9430 -43.5 -58.5 18 15.0 -44.0 280 40 324.0 324.1 290.0 324.2 0.05 25 273 10057 -48.5 -63.5 16 15.0 -48.8 285 54 325.7 325.7 290.5 325.8 0.03 26 250 10630 -53.1 -61.1 37 8.0 -53.3 275 38 327.1 327.1 290.9 327.3 0.04 27 239 10918 -55.5 -61.5 47 6.0 -55.6 271 36 327.7 327.8 291.1 327.9 0.04 28 214 11616 -58.9 -69.9 23 11.0 -59.0 250 33 333.0 333.0 292.5 333.0 0.01 29 204 11916 -59.1 -72.1 17 13.0 -59.2 258 32 337.3 337.3 293.6 337.3 0.01 30 200 12040 -58.5 -73.5 13 15.0 -58.7 250 27 340.1 340.1 294.4 340.2 0.01 31 171 13043 -50.9 -81.9 1 31.0 -51.4 264 38 368.3 368.3 300.2 368.3 0.00 32 150 13890 -54.5 -83.5 2 29.0 -54.9 260 23 376.2 376.2 301.6 376.2 0.00 33 125 15035 -62.7 -86.7 3 24.0 -62.9 247 16 381.4 381.4 302.5 381.5 0.00 34 100 16400 -65.5 -88.5 3 23.0 -65.7 295 13 401.2 401.2 305.3 401.2 0.00 35 70 18590 -62.3 -88.3 2 26.0 -62.6 160 3 451.1 451.1 311.0 451.1 0.00 36 50 20680 -61.3 -88.3 2 27.0 -61.8 125 9 499.0 499.0 314.9 499.0 0.00 TRP 214 11616 -58.9 -69.9 23 11.0 -59.0 250 33 333.0 333.0 292.5 333.0 0.01 WND Sounding variables and indices 1000-500 mb thick: 5605.00 m Freezing level: 667.40 mb = 3555.46 m = 11664.76 ft Wetbulb zero: 732.03 mb = 2807.48 m = 9210.78 ft Precipitable water: 0.86 inches Sfc-500 mean rel hum: 62.93 % Est. max temperature: 23.82 C = 74.88 F Sfc-Lift cond lev (LCL): 822.10 mb = 1847.68 m = 6061.85 ft T: 11.15 C 700-500 lapse rate: 6.91 C/km ThetaE index: 6.84 C Layer 764.0- 700.0 mb Conv cond level (CCL): 730.25 mb = 2827.39 m = 9276.10 ft Mean mixing ratio: 7.35 g/kg Conv temperature: 26.76 C = 80.17 F Cap Strength: 3.57 C Lifted Index: 1.82 C Risk: Showers probable Lifted Index @300 mb: 4.23 C Lifted Index @700 mb: 2.93 C Showalter Index: 1.17 C Risk: Showers probable Total Totals Index: 49.40 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.70 C Cross Totals Index: 20.70 C K Index: 27.10 Risk: 40-60 % chance of thunderstorms Sweat Index: 101.80 Risk: None Energy Index: -0.88 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 31.37 J/kg Max Up Vert Vel: 7.92 m/s Conv Inhibition (B-): 268.07 J/kg Cap Strength: 3.57 C Lift Cond Lev (LCL): 804.15 mb = 2031.33 m = 6664.38 ft Lev Free Conv (LFC): 589.15 mb = 4534.57 m = 14877.03 ft Equ Level (EL): 539.15 mb = 5217.86 m = 17118.74 ft B at Equ Level: 30.78 J/kg Max Parcel Lev (MPL): 489.15 mb = 5954.83 m = 19536.60 ft Wind level data Storm motion: 278 at 13 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 ---------------------------------------------------------- 0 954 595 20 1 -0.3 -0.9 | 93 13 -12.9 0.7 1 925 855 80 5 -4.9 -0.9 | 93 17 -17.5 0.8 2 919 914 70 5 -4.7 -1.7 | 90 17 -17.2 -0.0 3 850 1570 220 5 3.2 3.8 | 121 11 -9.3 5.5 4 824 1829 230 9 6.9 5.8 | 143 9 -5.6 7.5 5 794 2134 205 15 6.3 13.6 | 158 16 -6.2 15.3 6 765 2438 205 17 7.2 15.4 | 163 18 -5.4 17.1 7 711 3048 245 27 24.5 11.4 | 222 18 11.9 13.1 8 700 3172 245 25 22.7 10.6 | 220 16 10.1 12.2 9 658 3658 255 17 16.4 4.4 | 213 7 3.9 6.1 10 632 3962 265 19 18.9 1.7 | 242 7 6.4 3.3 11 608 4267 260 19 18.7 3.3 | 231 8 6.2 5.0 12 500 5790 255 19 18.4 4.9 | 221 9 5.8 6.6 13 460 6401 255 25 24.1 6.5 | 235 14 11.6 8.1 14 424 7010 240 25 21.7 12.5 | 213 17 9.1 14.2 15 400 7430 240 25 21.7 12.5 | 213 17 9.1 14.2 16 357 8230 255 33 31.9 8.5 | 242 22 19.3 10.2 17 341 8534 250 27 25.4 9.2 | 230 17 12.8 10.9 18 300 9430 280 40 39.4 -6.9 | 281 27 26.9 -5.3 19 273 10058 285 54 52.2 -14.0 | 287 41 39.6 -12.3 20 250 10630 275 38 37.9 -3.3 | 274 25 25.3 -1.6 21 237 10973 270 35 35.0 -0.0 | 266 23 22.5 1.7 22 226 11278 240 29 25.1 14.5 | 218 20 12.6 16.2 23 215 11582 235 35 28.7 20.1 | 217 27 16.1 21.7 24 214 11616 250 33 31.0 11.3 | 235 23 18.5 13.0 25 205 11887 260 33 32.5 5.7 | 250 21 20.0 7.4 26 200 12040 250 27 25.4 9.2 | 230 17 12.8 10.9 27 195 12192 250 27 25.4 9.2 | 230 17 12.8 10.9 28 186 12497 240 29 25.1 14.5 | 218 20 12.6 16.2 29 178 12802 260 48 47.3 8.3 | 254 36 34.7 10.0 30 169 13106 265 36 35.9 3.1 | 258 24 23.3 4.8 31 150 13890 260 23 22.7 4.0 | 241 12 10.1 5.7 32 133 14630 265 21 20.9 1.8 | 247 9 8.4 3.5 33 127 14935 250 13 12.2 4.4 | 177 6 -0.3 6.1 34 121 15240 240 25 21.7 12.5 | 213 17 9.1 14.2 35 115 15545 260 19 18.7 3.3 | 231 8 6.2 5.0 36 104 16154 260 23 22.7 4.0 | 241 12 10.1 5.7 37 100 16400 295 13 11.8 -5.5 | 11 4 -0.8 -3.8 38 94 16764 295 13 11.8 -5.5 | 11 4 -0.8 -3.8 39 90 17069 235 9 7.4 5.2 | 143 9 -5.2 6.8 40 85 17374 240 17 14.7 8.5 | 192 10 2.2 10.2 41 77 17983 220 9 5.8 6.9 | 142 11 -6.8 8.6 42 74 18288 235 9 7.4 5.2 | 143 9 -5.2 6.8 43 70 18590 160 3 -1.0 2.8 | 108 14 -13.6 4.5 44 60 19507 110 15 -14.1 5.1 | 104 27 -26.6 6.8 45 57 19812 135 11 -7.8 7.8 | 115 22 -20.3 9.4 46 50 20680 125 9 -7.4 5.2 | 109 21 -19.9 6.8 47 46 21031 120 9 -7.8 4.5 | 107 21 -20.3 6.2 48 41 21641 155 11 -4.6 10.0 | 124 21 -17.2 11.6 49 38 21946 115 11 -10.0 4.6 | 106 23 -22.5 6.3 50 35 22250 80 5 -4.9 -0.9 | 93 17 -17.5 0.8 51 33 22555 85 11 -11.0 -1.0 | 92 24 -23.5 0.7 52 27 23470 95 23 -22.9 2.0 | 96 36 -35.5 3.7 53 25 23774 120 21 -18.2 10.5 | 112 33 -30.7 12.2 54 24 24079 135 21 -14.8 14.8 | 121 32 -27.4 16.5 Wind Parameters Mean winds (0-6000m): 247.6 at 16.9 knts Storm direction: 277.6 at 12.7 knts Shear (0-3000m) pos: 2.5 neg: 1.6 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): 122.1 deg Storm rel helicity (0-3000m) pos: 148.6 neg: -7.5 tot: 141.0 m^2/s^2 ave: 47.0 10^-3 m/s^2 rel: 0.57 Storm rel vorticity (0-3000m) horiz: 10.0 stream: 5.7 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.55 Bulk Shear: 56.90 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 80 4 94 16| 5.3 0.0 5.3| 16.9 -3.4 13.6 27.1 0.34| 8.3 2.8 1000 109 4 101 17| 3.3 0.0 3.3| 40.5 -3.4 37.1 37.1 0.48| 9.1 4.3 1500 203 6 126 13| 2.2 3.1 5.3| 58.8 -3.4 55.4 36.9 0.53| 9.6 5.1 2000 205 9 138 13| 3.1 2.3 5.4| 84.7 -3.4 81.3 40.7 0.58| 9.1 5.3 2500 220 12 155 12| 4.4 1.9 6.2|148.5 -3.4 145.1 58.0 0.70| 10.1 7.1 3000 229 14 168 11| 2.5 1.6 4.1|148.6 -7.5 141.0 47.0 0.57| 10.0 5.7 4000 240 15 183 9| 2.2 1.3 3.5|154.6 -10.9 143.8 35.9 0.54| 8.3 4.5 5000 245 16 192 8| 1.7 1.1 2.9|154.6 -12.9 141.7 28.3 0.52| 6.7 3.5 6000 248 17 201 9| 1.4 1.4 2.9|162.2 -20.6 141.6 23.6 0.47| 6.3 2.9 Wrote GIF file: /home/apache/climate/data/raob//LBSF/skewt/LBSF.skewt.20250416.12.gif