UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120412.upa.cvt Date: 1200Z 4 DEC 25 Searching for KJAN... Searching the city database file for: KJAN ... Date:1200Z 4 DEC 25 Station: KJAN WMO ident: 72235 Latitude: 32.32 Longitude: -90.08 Elevation: 101.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1010 101 6.6 6.0 96 0.6 6.3 90 4 279.0 279.9 279.0 294.8 5.81 1 1007 121 5.8 5.4 97 0.4 5.6 100 5 278.4 279.3 278.4 293.6 5.58 2 1000 169 5.2 4.7 97 0.5 4.9 125 6 278.4 279.3 278.1 292.9 5.35 3 993 226 5.0 4.3 95 0.7 4.6 146 7 278.7 279.6 278.2 293.0 5.24 4 984 301 5.8 4.2 89 1.6 5.0 174 8 280.2 281.1 278.9 294.7 5.25 5 977 359 5.4 2.4 81 3.0 4.0 200 7 280.4 281.2 278.3 293.3 4.65 6 958 520 4.6 1.6 81 3.0 3.2 274 4 281.2 281.9 278.4 293.6 4.48 7 950 588 4.2 1.2 81 3.0 2.8 305 2 281.4 282.2 278.4 293.7 4.39 8 929 771 5.6 3.2 85 2.4 4.4 45 4 284.7 285.6 281.0 299.2 5.18 9 925 806 5.6 3.1 84 2.5 4.4 65 5 285.0 285.9 281.1 299.6 5.17 10 906 976 4.6 1.5 80 3.1 3.1 52 9 285.7 286.5 280.9 299.0 4.70 11 902 1012 4.6 0.3 74 4.3 2.6 56 10 286.1 286.8 280.6 298.4 4.33 12 890 1121 4.8 2.0 82 2.8 3.4 69 13 287.4 288.2 282.0 301.5 4.97 13 884 1177 8.4 8.4 100 0.0 8.4 75 15 291.7 293.0 286.8 314.0 7.84 14 869 1319 9.4 8.8 96 0.6 9.0 87 12 294.1 295.6 288.0 317.7 8.20 15 850 1502 8.2 7.9 98 0.3 8.0 100 5 294.7 296.2 287.9 317.5 7.89 16 838 1620 8.0 7.7 98 0.3 7.8 171 6 295.7 297.1 288.3 318.6 7.89 17 828 1719 8.4 8.2 99 0.2 8.3 187 11 297.2 298.7 289.1 321.3 8.27 18 822 1779 7.6 7.6 100 0.0 7.6 197 14 296.9 298.4 288.8 320.2 7.99 19 821 1789 7.6 7.6 100 0.0 7.6 198 14 297.0 298.5 288.9 320.4 8.00 20 803 1973 8.0 7.5 97 0.5 7.7 217 21 299.4 300.8 289.8 323.3 8.13 21 784 2170 6.8 6.8 100 0.0 6.8 233 27 300.1 301.6 289.8 323.5 7.93 22 780 2212 7.6 6.8 95 0.8 7.1 237 28 301.4 302.9 290.3 325.1 7.97 23 761 2416 7.2 5.7 90 1.5 6.3 257 33 303.1 304.5 290.5 325.8 7.57 24 727 2791 4.6 3.0 89 1.6 3.7 250 32 304.3 305.5 290.0 324.0 6.54 25 700 3099 2.2 1.2 93 1.0 1.7 265 34 304.9 306.0 289.7 323.0 5.97 26 686 3262 0.8 0.2 96 0.6 0.5 268 32 305.1 306.2 289.5 322.4 5.67 27 675 3392 0.4 0.0 97 0.4 0.2 271 31 306.1 307.2 289.8 323.4 5.68 28 658 3597 0.4 -0.1 96 0.5 0.1 274 30 308.3 309.4 290.6 326.1 5.78 29 599 4347 -3.3 -3.3 100 0.0 -3.3 269 32 312.4 313.4 291.2 328.2 5.01 30 500 5760 -10.5 -11.3 94 0.8 -10.8 260 57 320.2 320.9 291.9 330.9 3.23 31 489 5930 -11.1 -12.1 92 1.0 -11.5 258 55 321.5 322.2 292.2 331.8 3.09 32 400 7440 -20.7 -22.5 85 1.8 -21.2 250 71 328.1 328.4 292.7 333.6 1.57 33 398 7477 -20.9 -22.7 85 1.8 -21.4 250 71 328.3 328.6 292.7 333.7 1.55 34 370 8014 -25.1 -27.2 83 2.1 -25.6 249 74 329.6 329.9 292.7 333.6 1.11 35 369 8033 -25.3 -28.4 75 3.1 -25.9 249 74 329.6 329.8 292.6 333.2 1.00 36 362 8173 -26.3 -28.5 82 2.2 -26.8 248 75 330.1 330.3 292.7 333.7 1.01 37 354 8334 -27.7 -30.2 79 2.5 -28.2 248 77 330.3 330.5 292.7 333.5 0.88 38 320 9056 -32.1 -35.1 75 3.0 -32.6 245 84 333.9 334.0 293.4 336.2 0.60 39 319 9078 -32.1 -35.1 75 3.0 -32.6 245 84 334.2 334.3 293.4 336.5 0.61 40 300 9510 -35.7 -38.9 72 3.2 -36.1 245 90 335.1 335.1 293.5 336.7 0.44 41 256 10592 -45.1 -49.0 65 3.9 -45.3 242 90 336.7 336.8 293.7 337.4 0.17 42 250 10750 -46.5 -49.8 69 3.3 -46.7 240 87 336.9 337.0 293.7 337.6 0.16 43 243 10937 -48.3 -52.5 62 4.2 -48.5 240 86 337.0 337.0 293.7 337.5 0.12 44 232 11238 -51.1 -55.2 62 4.1 -51.2 240 84 337.2 337.2 293.7 337.6 0.09 45 228 11351 -52.1 -56.2 61 4.1 -52.2 240 85 337.4 337.4 293.7 337.7 0.08 46 216 11696 -55.3 -58.9 64 3.6 -55.4 242 88 337.7 337.7 293.8 337.9 0.06 47 200 12180 -59.7 -64.7 52 5.0 -59.8 245 93 338.2 338.2 293.9 338.4 0.03 48 199 12211 -60.1 -65.1 52 5.0 -60.2 245 93 338.1 338.1 293.9 338.2 0.03 49 196 12306 -61.1 -66.1 51 5.0 -61.2 245 95 338.0 338.0 293.9 338.1 0.03 50 193 12402 -61.7 -67.7 45 6.0 -61.8 246 96 338.5 338.5 294.0 338.6 0.02 51 159 13571 -73.3 -76.8 59 3.5 -73.3 249 111 338.1 338.1 293.9 338.2 0.01 52 153 13795 -75.1 -79.7 49 4.6 -75.1 252 110 338.8 338.8 294.0 338.8 0.00 53 150 13910 -75.9 -80.1 51 4.2 -75.9 255 106 339.4 339.4 294.1 339.4 0.00 54 146 14068 -77.1 -81.1 53 4.0 -77.1 258 107 339.9 339.9 294.3 339.9 0.00 55 144 14148 -77.3 -80.7 58 3.4 -77.3 260 107 340.9 340.9 294.6 340.9 0.00 56 142 14231 -71.7 -78.7 34 7.0 -71.7 260 106 352.1 352.1 297.1 352.1 0.01 57 141 14273 -71.5 -79.5 29 8.0 -71.5 260 105 353.1 353.1 297.3 353.1 0.01 58 140 14316 -71.5 -79.5 29 8.0 -71.5 260 104 353.8 353.8 297.4 353.9 0.01 59 137 14445 -71.2 -80.0 26 8.8 -71.2 260 127 356.6 356.6 298.0 356.6 0.00 60 100 16350 -66.5 -87.5 4 21.0 -66.6 265 82 399.2 399.2 305.1 399.2 0.00 61 91 16921 -66.9 -87.9 4 21.0 -67.0 258 74 409.4 409.4 306.5 409.4 0.00 62 85 17331 -69.3 -88.3 5 19.0 -69.4 246 68 412.6 412.6 306.8 412.6 0.00 63 83 17474 -67.3 -87.3 4 20.0 -67.4 248 70 419.5 419.5 307.6 419.5 0.00 64 73 18242 -71.3 -88.3 6 17.0 -71.4 271 45 426.7 426.7 308.4 426.7 0.00 65 70 18490 -71.5 -87.5 7 16.0 -71.6 255 41 431.4 431.4 309.0 431.4 0.00 66 69 18575 -71.7 -87.7 7 16.0 -71.8 255 36 432.8 432.8 309.1 432.8 0.00 67 66 18839 -69.9 -87.9 6 18.0 -70.0 259 50 442.2 442.2 310.1 442.2 0.00 68 62 19210 -70.9 -88.9 5 18.0 -71.0 264 41 448.0 448.0 310.7 448.0 0.00 69 60 19406 -69.3 -88.3 5 19.0 -69.4 255 39 455.8 455.8 311.4 455.8 0.00 70 58 19608 -70.5 -88.5 5 18.0 -70.6 257 37 457.5 457.5 311.5 457.5 0.00 71 57 19712 -68.1 -89.1 3 21.0 -68.3 264 37 465.2 465.2 312.3 465.3 0.00 72 54 20035 -69.5 -89.5 4 20.0 -69.6 270 25 469.3 469.3 312.5 469.3 0.00 73 53 20148 -66.3 -89.3 3 23.0 -66.5 269 23 479.2 479.2 313.4 479.2 0.00 74 50 20500 -67.7 -89.7 3 22.0 -67.9 250 29 484.0 484.0 313.8 484.0 0.00 75 49 20621 -68.1 -89.1 3 21.0 -68.3 244 31 485.8 485.8 313.9 485.8 0.00 76 48 20746 -67.1 -90.1 2 23.0 -67.4 239 33 491.1 491.1 314.3 491.1 0.00 77 47 20874 -62.9 -88.9 2 26.0 -63.3 237 32 504.1 504.1 315.2 504.1 0.00 78 44 21279 -64.1 -89.1 2 25.0 -64.5 252 20 510.8 510.8 315.7 510.8 0.00 79 39 22020 -62.5 -88.5 2 26.0 -63.0 289 21 532.7 532.7 317.1 532.8 0.00 TRP 144 14148 -77.3 -80.7 58 3.4 -77.3 260 107 340.9 340.9 294.6 340.9 0.00 WND 137 14445 -71.2 -80.0 26 8.8 -71.2 260 127 356.6 356.6 298.0 356.6 0.00 Sounding variables and indices 1000-500 mb thick: 5591.00 m Freezing level: 651.62 mb = 3678.28 m = 12067.70 ft Wetbulb zero: 655.66 mb = 3625.61 m = 11894.90 ft Precipitable water: 1.33 inches Sfc-500 mean rel hum: 93.93 % Est. max temperature: 22.10 C = 71.79 F Sfc-Lift cond lev (LCL): 1000.78 mb = 163.70 m = 537.06 ft T: 5.27 C 700-500 lapse rate: 4.77 C/km ThetaE index: 1.84 C Layer 1007.0- 993.0 mb Conv cond level (CCL): 593.39 mb = 4420.74 m = 14503.58 ft Mean mixing ratio: 4.92 g/kg Conv temperature: 40.59 C = 105.07 F Cap Strength: 17.92 C Lifted Index: 21.77 C Risk: None Lifted Index @300 mb: 28.21 C Lifted Index @700 mb: 14.43 C Showalter Index: 7.29 C Risk: None Total Totals Index: 37.10 C Risk: None Vertical Totals Index: 18.70 C Cross Totals Index: 18.40 C K Index: 25.60 Risk: 40-60 % chance of thunderstorms Sweat Index: 161.80 Risk: None Energy Index: 2.65 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 28.35 J/kg Max Up Vert Vel: 7.53 m/s Conv Inhibition (B-): 31127.59 J/kg Cap Strength: 21.50 C Lift Cond Lev (LCL): 926.22 mb = 795.21 m = 2608.91 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 290 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 1010 101 90 4 -4.0 0.0 | 106 25 -24.0 7.1 1 1000 169 125 6 -4.9 3.4 | 113 27 -24.9 10.5 2 984 305 175 8 -0.7 8.0 | 126 26 -20.7 15.1 3 948 610 315 2 1.4 -1.4 | 107 19 -18.6 5.7 4 925 806 65 5 -4.5 -2.1 | 101 25 -24.5 5.0 5 913 914 45 7 -4.9 -4.9 | 95 25 -24.9 2.1 6 880 1219 80 16 -15.8 -2.8 | 97 36 -35.8 4.3 7 850 1502 100 5 -4.9 0.9 | 108 26 -24.9 8.0 8 848 1524 155 2 -0.8 1.8 | 113 23 -20.8 8.9 9 817 1829 205 16 6.8 14.5 | 149 25 -13.2 21.6 10 787 2134 230 26 19.9 16.7 | 180 24 -0.1 23.8 11 759 2438 260 34 33.5 5.9 | 226 19 13.5 13.0 12 731 2743 250 32 30.1 10.9 | 209 21 10.1 18.0 13 704 3048 250 32 30.1 10.9 | 209 21 10.1 18.0 14 700 3099 265 34 33.9 3.0 | 234 17 13.9 10.1 15 678 3353 270 31 31.0 -0.0 | 237 13 11.0 7.1 16 652 3658 275 30 29.9 -2.6 | 246 11 9.9 4.5 17 604 4267 270 31 31.0 -0.0 | 237 13 11.0 7.1 18 559 4877 265 38 37.9 3.3 | 240 21 17.9 10.4 19 500 5760 260 57 56.1 9.9 | 245 40 36.1 17.0 20 478 6096 255 53 51.2 13.7 | 236 38 31.2 20.8 21 400 7440 250 71 66.7 24.3 | 236 56 46.7 31.4 22 390 7620 250 70 65.8 23.9 | 236 55 45.8 31.0 23 316 9144 245 85 77.0 35.9 | 233 71 57.0 43.0 24 300 9510 245 90 81.6 38.0 | 234 76 61.6 45.1 25 265 10363 245 93 84.3 39.3 | 234 79 64.3 46.4 26 250 10750 240 87 75.3 43.5 | 228 75 55.4 50.6 27 230 11278 240 84 72.7 42.0 | 227 72 52.8 49.1 28 200 12180 245 93 84.3 39.3 | 234 79 64.3 46.4 29 155 13716 250 113 106.2 38.6 | 242 98 86.2 45.7 30 150 13910 255 106 102.4 27.4 | 247 89 82.4 34.5 31 144 14148 260 107 105.4 18.6 | 253 89 85.4 25.7 32 140 14326 260 104 102.4 18.1 | 253 86 82.4 25.2 33 137 14445 260 127 125.1 22.1 | 254 109 105.1 29.2 34 133 14630 260 127 125.1 22.1 | 254 109 105.1 29.2 35 126 14935 265 104 103.6 9.1 | 259 85 83.6 16.2 36 120 15240 265 98 97.6 8.5 | 259 79 77.6 15.6 37 109 15850 260 84 82.7 14.6 | 251 66 62.7 21.7 38 100 16350 265 82 81.7 7.1 | 257 63 61.7 14.2 39 98 16459 260 93 91.6 16.1 | 252 75 71.6 23.2 40 93 16764 265 82 81.7 7.1 | 257 63 61.7 14.2 41 89 17069 250 66 62.0 22.6 | 235 51 42.0 29.7 42 84 17374 245 68 61.6 28.7 | 229 55 41.6 35.8 43 80 17678 255 73 70.5 18.9 | 243 57 50.5 26.0 44 76 17983 275 51 50.8 -4.4 | 265 31 30.8 2.7 45 72 18288 270 44 44.0 -0.0 | 254 25 24.0 7.1 46 70 18490 255 41 39.6 10.6 | 228 26 19.6 17.7 47 69 18593 255 35 33.8 9.1 | 221 21 13.8 16.2 48 65 18898 260 53 52.2 9.2 | 243 36 32.2 16.3 49 62 19202 265 41 40.8 3.6 | 243 23 20.9 10.7 50 59 19507 250 38 35.7 13.0 | 218 26 15.7 20.1 51 56 19812 270 36 36.0 -0.0 | 246 18 16.0 7.1 52 53 20117 270 21 21.0 -0.0 | 188 7 1.0 7.1 53 51 20422 260 35 34.5 6.1 | 228 20 14.5 13.2 54 50 20500 250 29 27.3 9.9 | 203 18 7.3 17.0 55 47 20726 235 34 27.9 19.5 | 196 28 7.9 26.6 56 44 21031 250 20 18.8 6.8 | 175 14 -1.2 13.9 57 41 21336 300 22 19.1 -11.0 | 14 4 -0.9 -3.9 58 36 21946 270 18 18.0 -0.0 | 164 7 -2.0 7.1 59 33 22250 310 27 20.7 -17.4 | 356 10 0.7 -10.3 Wind Parameters Mean winds (0-6000m): 259.5 at 28.3 knts Storm direction: 289.5 at 21.2 knts Shear (0-3000m) pos: 5.6 neg: 1.0 tot: 6.6 10-3/s Storm rel Dir Shear (0-3000m): 127.6 deg Storm rel helicity (0-3000m) pos: 466.9 neg: -90.0 tot: 376.9 m^2/s^2 ave: 125.6 10^-3 m/s^2 rel: 0.48 Storm rel vorticity (0-3000m) horiz: 19.9 stream: 9.6 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 0.25 Bulk Shear: 115.32 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 ------------------------------------------------------------------------------- 500 162 6 120 25| 0.0 6.0 6.0| 62.1 -30.2 31.9 63.7 0.12| 23.3 2.9 1000 95 6 106 27| 7.0 3.0 10.0| 66.0 -66.1 -0.1 -0.1 -0.06| 19.9 -1.3 1500 90 7 105 28| 2.5 2.0 4.5|169.8 -66.1 103.7 69.1 0.18| 20.6 3.8 2000 153 9 123 29| 6.4 1.5 7.9|331.0 -66.1 264.9 132.4 0.42| 21.8 9.1 2500 223 14 148 20| 6.5 1.2 7.7|427.5 -76.0 351.5 140.6 0.48| 21.5 10.4 3000 237 17 160 17| 5.6 1.0 6.6|466.9 -90.0 376.9 125.6 0.48| 19.9 9.6 4000 255 20 179 13| 3.7 0.8 4.5|475.4 -93.6 381.8 95.5 0.46| 16.1 7.4 5000 259 23 195 12| 2.9 1.9 4.9|484.4 -95.0 389.5 77.9 0.43| 14.2 6.1 6000 260 28 213 15| 2.4 2.6 5.1|494.1-153.4 340.7 56.8 0.34| 13.5 4.7 Wrote GIF file: /home/apache/climate/data/raob//KJAN/skewt/KJAN.skewt.20251204.12.gif