UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042212.upa.cvt Date: 1200Z 22 APR 25 Searching for LBSF... Searching the city database file for: LBSF ... Date:1200Z 22 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 98 SFC 945 595 21.8 6.8 38 15.0 13.0 90 7 299.8 301.0 288.5 319.2 6.56 2 925 771 18.6 5.6 42 13.0 11.3 95 19 298.3 299.4 287.6 316.5 6.17 3 850 1487 12.2 4.2 58 8.0 7.8 95 9 298.9 300.0 287.8 317.0 6.09 4 700 3074 -1.1 -8.1 59 7.0 -3.9 30 1 301.3 301.8 285.4 310.4 2.96 5 500 5670 -19.3 -27.3 49 8.0 -20.9 305 5 309.5 309.7 286.1 312.3 0.81 6 400 7290 -31.1 -40.1 41 9.0 -32.0 175 7 314.6 314.6 287.3 315.6 0.29 7 300 9260 -47.9 -56.9 35 9.0 -48.1 215 5 317.8 317.9 288.1 318.1 0.06 8 250 10430 -57.3 -61.7 57 4.4 -57.4 265 11 320.9 320.9 289.0 321.0 0.04 9 220 11235 -61.1 -65.8 54 4.7 -61.2 245 11 327.0 327.0 290.9 327.1 0.02 10 200 11840 -53.3 -80.3 2 27.0 -53.7 255 15 348.4 348.4 296.3 348.4 0.00 11 150 13690 -52.5 -83.5 1 31.0 -53.0 265 21 379.6 379.6 302.2 379.6 0.00 12 100 16290 -54.5 -85.5 1 31.0 -55.1 260 25 422.4 422.4 308.0 422.4 0.00 13 70 18540 -59.3 -87.3 1 28.0 -59.7 235 23 457.5 457.5 311.5 457.5 0.00 14 50 20660 -57.9 -86.9 1 29.0 -58.6 160 11 507.0 507.0 315.4 507.1 0.00 15 30 23890 -55.3 -87.3 1 32.0 -56.8 85 3 593.9 593.9 320.3 593.9 0.01 16 20 26490 -52.3 -85.3 1 33.0 -55.1 155 13 676.1 676.1 323.6 676.2 0.01 TRP 220 11235 -61.1 -65.8 54 4.7 -61.2 245 11 327.0 327.0 290.9 327.1 0.02 WND Sounding variables and indices 1000-500 mb thick: 5572.00 m Freezing level: 712.41 mb = 2942.74 m = 9654.56 ft Wetbulb zero: 750.00 mb = 2510.10 m = 8235.13 ft Precipitable water: 0.69 inches Sfc-500 mean rel hum: 54.43 % Est. max temperature: 21.85 C = 71.32 F Sfc-Lift cond lev (LCL): 756.37 mb = 2440.96 m = 8008.31 ft T: 4.21 C 700-500 lapse rate: 7.01 C/km ThetaE index: 6.58 C Layer 700.0- 500.0 mb Conv cond level (CCL): 736.04 mb = 2663.69 m = 8739.05 ft Mean mixing ratio: 6.17 g/kg Conv temperature: 22.75 C = 72.95 F Cap Strength: 1.55 C Lifted Index: -1.21 C Risk: Thunderstorms probable Lifted Index @300 mb: 1.01 C Lifted Index @700 mb: -0.24 C Showalter Index: -1.19 C Risk: Thunderstorms probable Total Totals Index: 55.00 C Risk: Severe Thunderstorms probable Vertical Totals Index: 31.50 C Cross Totals Index: 23.50 C K Index: 28.70 Risk: 40-60 % chance of thunderstorms Sweat Index: 193.40 Risk: None Energy Index: -0.96 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 139.16 J/kg Max Up Vert Vel: 16.68 m/s Conv Inhibition (B-): 45.64 J/kg Cap Strength: 1.55 C Lift Cond Lev (LCL): 757.31 mb = 2430.82 m = 7975.05 ft Lev Free Conv (LFC): 702.31 mb = 3047.11 m = 9996.97 ft Equ Level (EL): 392.31 mb = 7423.00 m = 24353.39 ft B at Equ Level: 138.55 J/kg Max Parcel Lev (MPL): 252.31 mb = 10371.08 m = 34025.43 ft Wind level data Storm motion: 83 at 5 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 ---------------------------------------------------------- 0 945 595 90 7 -7.0 0.0 | 103 2 -2.4 0.5 1 925 771 95 19 -18.9 1.7 | 99 14 -14.3 2.2 2 909 914 105 19 -18.4 4.9 | 112 15 -13.7 5.5 3 850 1487 95 9 -9.0 0.8 | 107 5 -4.3 1.3 4 846 1524 95 9 -9.0 0.8 | 107 5 -4.3 1.3 5 785 2134 60 9 -7.8 -4.5 | 39 5 -3.2 -4.0 6 729 2743 60 1 -0.9 -0.5 | 269 4 3.8 0.0 7 700 3074 30 1 -0.5 -0.9 | 274 4 4.1 -0.3 8 600 4267 355 5 0.4 -5.0 | 311 7 5.1 -4.4 9 500 5670 305 5 4.1 -2.9 | 285 9 8.7 -2.3 10 400 7290 175 7 -0.6 7.0 | 208 9 4.0 7.5 11 381 7620 170 11 -1.9 10.8 | 193 12 2.7 11.4 12 349 8230 235 9 7.4 5.2 | 245 13 12.0 5.7 13 300 9260 215 5 2.9 4.1 | 238 9 7.5 4.6 14 278 9754 250 9 8.5 3.1 | 255 14 13.1 3.6 15 253 10363 270 9 9.0 -0.0 | 268 14 13.6 0.5 16 250 10430 265 11 11.0 1.0 | 264 16 15.6 1.5 17 229 10973 255 13 12.6 3.4 | 257 18 17.2 3.9 18 220 11235 245 11 10.0 4.6 | 250 16 14.6 5.2 19 219 11278 240 9 7.8 4.5 | 248 13 12.4 5.0 20 208 11582 270 13 13.0 -0.0 | 268 18 17.6 0.5 21 200 11840 255 15 14.5 3.9 | 257 20 19.1 4.4 22 189 12192 240 15 13.0 7.5 | 245 19 17.6 8.0 23 181 12497 255 15 14.5 3.9 | 257 20 19.1 4.4 24 172 12802 260 17 16.7 3.0 | 261 22 21.4 3.5 25 164 13106 260 17 16.7 3.0 | 261 22 21.4 3.5 26 157 13411 285 23 22.2 -6.0 | 281 27 26.9 -5.4 27 150 13690 265 21 20.9 1.8 | 265 26 25.6 2.4 28 149 13716 265 19 18.9 1.7 | 265 24 23.6 2.2 29 136 14326 275 19 18.9 -1.7 | 273 24 23.6 -1.1 30 130 14630 245 13 11.8 5.5 | 250 17 16.4 6.0 31 118 15240 240 11 9.5 5.5 | 247 15 14.2 6.0 32 107 15850 240 17 14.7 8.5 | 245 21 19.4 9.0 33 102 16154 260 17 16.7 3.0 | 261 22 21.4 3.5 34 100 16290 260 25 24.6 4.3 | 261 30 29.3 4.9 35 97 16459 255 25 24.1 6.5 | 256 30 28.8 7.0 36 88 17069 280 15 14.8 -2.6 | 276 20 19.4 -2.1 37 84 17374 215 9 5.2 7.4 | 231 13 9.8 7.9 38 80 17678 225 19 13.4 13.4 | 232 23 18.1 14.0 39 76 17983 285 15 14.5 -3.9 | 280 19 19.1 -3.3 40 73 18288 250 11 10.3 3.8 | 254 16 15.0 4.3 41 70 18540 235 23 18.8 13.2 | 240 27 23.5 13.7 42 66 18898 245 25 22.7 10.6 | 248 29 27.3 11.1 43 63 19202 285 21 20.3 -5.4 | 281 25 24.9 -4.9 44 60 19507 325 9 5.2 -7.4 | 305 12 9.8 -6.8 45 57 19812 110 3 -2.8 1.0 | 229 2 1.8 1.6 46 55 20117 190 9 1.6 8.9 | 213 11 6.2 9.4 47 52 20422 190 9 1.6 8.9 | 213 11 6.2 9.4 48 50 20660 160 11 -3.8 10.3 | 185 11 0.9 10.9 49 49 20726 130 9 -6.9 5.8 | 160 7 -2.3 6.3 50 45 21336 210 11 5.5 9.5 | 225 14 10.1 10.1 51 43 21641 190 13 2.3 12.8 | 207 15 6.9 13.4 52 41 21946 240 11 9.5 5.5 | 247 15 14.2 6.0 53 39 22250 275 9 9.0 -0.8 | 271 14 13.6 -0.2 54 30 23890 85 3 -3.0 -0.3 | 260 2 1.7 0.3 55 25 24994 25 9 -3.8 -8.2 | 354 8 0.8 -7.6 56 24 25298 55 15 -12.3 -8.6 | 44 11 -7.6 -8.1 57 23 25603 95 15 -14.9 1.3 | 100 10 -10.3 1.9 58 21 26213 135 3 -2.1 2.1 | 223 4 2.5 2.7 59 20 26490 155 13 -5.5 11.8 | 176 12 -0.9 12.3 60 20 26518 150 11 -5.5 9.5 | 175 10 -0.9 10.1 61 17 27127 155 13 -5.5 11.8 | 176 12 -0.9 12.3 62 15 27432 180 13 0.0 13.0 | 199 14 4.6 13.5 63 14 27737 175 11 -1.0 11.0 | 198 12 3.7 11.5 64 13 28042 205 15 6.3 13.6 | 218 18 11.0 14.1 65 12 28346 205 11 4.6 10.0 | 221 14 9.3 10.5 66 11 28651 230 17 13.0 10.9 | 237 21 17.7 11.5 67 10 28956 240 23 19.9 11.5 | 244 27 24.6 12.0 Wind Parameters Mean winds (0-6000m): 53.2 at 6.2 knts Storm direction: 83.2 at 4.7 knts Shear (0-3000m) pos: 1.6 neg: 2.7 tot: 4.3 10-3/s Storm rel Dir Shear (0-3000m): -165.0 deg Storm rel helicity (0-3000m) pos: 13.7 neg: -12.7 tot: 1.0 m^2/s^2 ave: 0.3 10^-3 m/s^2 rel: -0.18 Storm rel vorticity (0-3000m) horiz: 6.9 stream: -1.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 6.43 Bulk Shear: 21.64 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 ------------------------------------------------------------------------------- 500 100 16 106 12| 9.4 0.0 9.4| 11.4 -1.5 9.9 19.9 0.13| 18.2 2.4 1000 100 14 107 10| 4.7 3.7 8.4| 11.5 -3.3 8.2 8.2 0.05| 13.0 0.7 1500 94 12 100 8| 3.1 3.6 6.8| 11.5 -8.5 3.0 2.0 -0.11| 10.2 -1.1 2000 89 11 94 6| 2.3 3.5 5.9| 11.5 -11.8 -0.3 -0.2 -0.22| 9.3 -2.0 2500 88 9 93 4| 1.9 3.2 5.1| 11.9 -12.7 -0.9 -0.3 -0.23| 7.9 -1.8 3000 86 8 89 3| 1.6 2.7 4.3| 13.7 -12.7 1.0 0.3 -0.18| 6.9 -1.2 4000 74 7 54 2| 1.2 2.4 3.6| 15.2 -14.1 1.2 0.3 -0.15| 5.6 -0.9 5000 60 6 19 3| 0.9 2.1 3.0| 15.2 -20.0 -4.7 -0.9 -0.20| 4.8 -1.0 6000 53 6 6 3| 0.8 1.7 2.5| 15.2 -39.3 -24.1 -4.0 -0.31| 4.7 -1.4 Wrote GIF file: /home/apache/climate/data/raob//LBSF/skewt/LBSF.skewt.20250422.12.gif