UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042818.upa.cvt Date: 1800Z 28 APR 25 Searching for K2800... Searching the city database file for: K2800 ... Date:1800Z 28 APR 25 Station: K2800 WMO ident: 72800 ------------------------------------------------------------------------------- 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 186 SFC 986 311 27.8 17.8 55 10.0 20.9 180 6 302.2 304.6 294.6 340.9 13.11 2 977 392 25.0 16.0 57 9.0 18.9 177 6 300.1 302.3 293.0 334.7 11.78 3 925 868 20.2 15.3 73 4.9 17.0 155 7 300.0 302.1 293.0 334.8 11.90 4 882 1277 16.6 14.2 86 2.4 15.0 143 11 300.3 302.5 292.9 334.4 11.62 5 870 1393 15.4 14.4 94 1.0 14.7 158 8 300.3 302.5 293.2 335.3 11.94 6 863 1462 16.2 8.2 59 8.0 11.4 168 7 301.8 303.3 290.4 325.4 7.93 7 850 1591 15.4 9.4 67 6.0 11.7 185 4 302.3 303.9 291.2 328.3 8.74 8 830 1792 13.8 8.8 72 5.0 10.7 198 6 302.7 304.2 291.2 328.2 8.59 9 700 3207 5.4 -12.6 26 18.0 -1.7 280 4 308.5 308.9 287.1 315.1 2.07 10 683 3407 4.4 -17.6 18 22.0 -3.3 299 5 309.5 309.8 286.8 314.1 1.40 11 634 4008 0.0 -14.0 34 14.0 -5.3 317 14 311.2 311.6 288.0 317.8 2.04 12 616 4238 -1.3 -17.3 28 16.0 -6.8 311 20 312.3 312.6 287.9 317.5 1.60 13 604 4394 -1.1 -28.1 11 27.0 -8.3 317 22 314.2 314.4 287.6 316.4 0.63 14 533 5378 -8.3 -42.3 5 34.0 -14.2 323 19 317.1 317.1 288.0 317.7 0.17 15 505 5794 -11.5 -36.5 11 25.0 -16.2 330 15 318.1 318.2 288.5 319.3 0.33 16 500 5870 -11.7 -38.7 9 27.0 -16.5 315 11 318.8 318.8 288.6 319.8 0.27 17 438 6870 -18.1 -48.1 5 30.0 -21.8 323 17 323.0 323.0 289.8 323.4 0.11 18 435 6921 -18.1 -48.1 5 30.0 -21.8 323 17 323.6 323.6 290.0 324.0 0.11 19 400 7540 -23.3 -45.3 11 22.0 -25.9 320 19 324.7 324.7 290.4 325.3 0.17 20 341 8689 -32.1 -51.1 13 19.0 -33.6 310 28 327.9 327.9 291.2 328.3 0.10 21 306 9444 -38.9 -48.9 34 10.0 -39.6 295 33 328.7 328.7 291.5 329.2 0.15 22 301 9557 -38.9 -61.9 7 23.0 -39.9 303 38 330.2 330.2 291.8 330.4 0.03 23 300 9580 -39.1 -60.1 9 21.0 -40.0 305 39 330.3 330.3 291.8 330.4 0.04 24 291 9787 -40.5 -65.5 5 25.0 -41.3 307 40 331.2 331.2 292.0 331.2 0.02 25 250 10800 -48.9 -65.9 12 17.0 -49.3 305 47 333.4 333.4 292.6 333.5 0.02 26 241 11039 -50.9 -63.9 20 13.0 -51.2 305 47 333.9 333.9 292.8 334.0 0.03 27 212 11863 -56.5 -74.5 9 18.0 -56.7 298 44 337.6 337.6 293.7 337.6 0.01 28 200 12230 -59.1 -76.1 9 17.0 -59.3 295 43 339.2 339.2 294.1 339.2 0.01 29 174 13090 -65.5 -76.5 20 11.0 -65.5 295 38 342.4 342.4 294.9 342.4 0.01 30 150 14000 -61.9 -83.9 4 22.0 -62.0 295 45 363.4 363.4 299.4 363.5 0.00 31 137 14563 -60.6 -85.8 2 25.2 -60.8 280 72 375.3 375.3 301.5 375.3 0.00 32 134 14701 -60.3 -86.3 2 26.0 -60.5 280 72 378.2 378.2 301.9 378.2 0.00 33 100 16500 -66.3 -89.3 3 23.0 -66.4 290 37 399.6 399.6 305.2 399.6 0.00 34 90 17136 -68.3 -89.3 3 21.0 -68.4 290 32 407.9 407.9 306.2 407.9 0.00 35 83 17622 -69.3 -90.3 3 21.0 -69.4 274 26 415.4 415.4 307.2 415.4 0.00 36 75 18232 -66.3 -89.3 3 23.0 -66.5 288 24 433.9 433.9 309.3 433.9 0.00 37 70 18650 -67.1 -90.1 2 23.0 -67.2 270 24 440.8 440.8 310.0 440.8 0.00 38 65 19096 -68.1 -91.1 2 23.0 -68.2 292 19 448.1 448.1 310.7 448.1 0.00 39 62 19381 -64.7 -89.7 2 25.0 -65.0 306 9 461.7 461.7 311.9 461.7 0.00 40 51 20569 -65.7 -90.7 2 25.0 -66.0 26 9 485.9 485.9 313.9 485.9 0.00 41 50 20690 -64.5 -90.5 2 26.0 -64.8 35 10 491.5 491.5 314.3 491.5 0.00 42 43 21620 -60.3 -89.3 1 29.0 -60.9 142 7 523.5 523.5 316.5 523.5 0.00 43 30 23880 -57.1 -88.1 1 31.0 -58.4 105 3 589.0 589.0 320.1 589.0 0.01 44 29 24095 -57.1 -88.1 1 31.0 -58.4 127 2 594.7 594.7 320.3 594.7 0.01 45 23 25580 -51.5 -85.5 1 34.0 -54.2 36 10 651.9 652.0 322.7 652.0 0.01 TRP 174 13090 -65.5 -76.5 20 11.0 -65.5 295 38 342.4 342.4 294.9 342.4 0.01 WND 137 14563 -60.6 -85.8 2 25.2 -60.8 280 72 375.3 375.3 301.5 375.3 0.00 Sounding variables and indices 1000-500 mb thick: 5684.00 m Freezing level: 634.00 mb = 4007.69 m = 13148.44 ft Wetbulb zero: 717.58 mb = 3001.05 m = 9845.83 ft Precipitable water: 1.05 inches Sfc-500 mean rel hum: 38.15 % Est. max temperature: 28.18 C = 82.72 F Sfc-Lift cond lev (LCL): 852.40 mb = 1566.99 m = 5140.98 ft T: 15.55 C 700-500 lapse rate: 6.42 C/km ThetaE index: 14.11 C Layer 830.0- 634.0 mb Conv cond level (CCL): 824.92 mb = 1843.26 m = 6047.35 ft Mean mixing ratio: 11.87 g/kg Conv temperature: 28.50 C = 83.30 F Cap Strength: 1.75 C Lifted Index: -2.75 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.97 C Lifted Index @700 mb: -0.65 C Showalter Index: 0.41 C Risk: Thunderstorms probable Total Totals Index: 48.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.10 C Cross Totals Index: 21.10 C K Index: 18.50 Risk: < 20 % chance of thunderstorms Sweat Index: 131.80 Risk: None Energy Index: -1.60 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 640.43 J/kg Max Up Vert Vel: 35.79 m/s Conv Inhibition (B-): 33.70 J/kg Cap Strength: 1.98 C Lift Cond Lev (LCL): 857.38 mb = 1517.44 m = 4978.43 ft Lev Free Conv (LFC): 752.38 mb = 2607.67 m = 8555.25 ft Equ Level (EL): 232.38 mb = 11273.30 m = 36985.45 ft B at Equ Level: 636.72 J/kg Max Parcel Lev (MPL): 152.38 mb = 13903.34 m = 45614.07 ft Wind level data Storm motion: 334 at 9 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 ---------------------------------------------------------- 0 986 311 180 6 0.0 6.0 | 165 14 -3.7 13.8 1 953 610 170 7 -1.2 6.9 | 161 15 -4.9 14.7 2 925 868 155 7 -3.0 6.3 | 155 16 -6.7 14.1 3 920 914 145 6 -3.4 4.9 | 151 15 -7.2 12.7 4 888 1219 135 12 -8.5 8.5 | 143 20 -12.2 16.3 5 850 1591 185 4 0.3 4.0 | 164 12 -3.4 11.7 6 826 1829 200 6 2.1 5.6 | 173 14 -1.7 13.4 7 796 2134 210 9 4.5 7.8 | 183 16 0.8 15.6 8 768 2438 215 10 5.7 8.2 | 187 16 2.0 16.0 9 740 2743 225 6 4.2 4.2 | 182 12 0.5 12.0 10 714 3048 255 1 1.0 0.3 | 161 8 -2.8 8.0 11 700 3207 280 4 3.9 -0.7 | 182 7 0.2 7.1 12 661 3658 325 6 3.4 -4.9 | 174 3 -0.3 2.9 13 612 4267 310 21 16.1 -13.5 | 295 14 12.4 -5.7 14 589 4572 330 24 12.0 -20.8 | 328 15 8.3 -13.0 15 567 4877 330 24 12.0 -20.8 | 328 15 8.3 -13.0 16 545 5182 320 20 12.9 -15.3 | 310 12 9.1 -7.6 17 505 5791 330 15 7.5 -13.0 | 324 6 3.8 -5.2 18 500 5870 315 11 7.8 -7.8 | 270 4 4.1 -0.0 19 485 6096 305 10 8.2 -5.7 | 246 5 4.5 2.0 20 466 6401 325 16 9.2 -13.1 | 314 8 5.5 -5.3 21 400 7540 320 19 12.2 -14.6 | 309 11 8.5 -6.8 22 396 7620 320 19 12.2 -14.6 | 309 11 8.5 -6.8 23 363 8230 320 25 16.1 -19.2 | 313 17 12.3 -11.4 24 319 9144 300 31 26.8 -15.5 | 288 24 23.1 -7.7 25 306 9449 295 33 29.9 -13.9 | 283 27 26.2 -6.2 26 300 9580 305 39 31.9 -22.4 | 297 32 28.2 -14.6 27 279 10058 310 42 32.2 -27.0 | 304 34 28.5 -19.2 28 250 10800 305 47 38.5 -27.0 | 299 40 34.8 -19.2 29 243 10973 305 47 38.5 -27.0 | 299 40 34.8 -19.2 30 200 12230 295 43 39.0 -18.2 | 286 37 35.2 -10.4 31 182 12802 290 42 39.5 -14.4 | 280 36 35.7 -6.6 32 174 13090 295 38 34.4 -16.1 | 285 32 30.7 -8.3 33 174 13106 300 40 34.6 -20.0 | 292 33 30.9 -12.2 34 165 13411 285 34 32.8 -8.8 | 272 29 29.1 -1.0 35 157 13716 300 46 39.8 -23.0 | 293 39 36.1 -15.2 36 150 14000 295 45 40.8 -19.0 | 287 39 37.1 -11.3 37 142 14326 285 47 45.4 -12.2 | 276 42 41.7 -4.4 38 137 14563 280 72 70.9 -12.5 | 274 67 67.2 -4.7 39 129 14935 280 72 70.9 -12.5 | 274 67 67.2 -4.7 40 123 15240 285 59 57.0 -15.3 | 278 54 53.3 -7.5 41 111 15850 270 54 54.0 -0.0 | 261 51 50.3 7.8 42 100 16500 290 37 34.8 -12.7 | 279 31 31.0 -4.9 43 96 16764 290 37 34.8 -12.7 | 279 31 31.0 -4.9 44 87 17374 290 29 27.3 -9.9 | 275 24 23.5 -2.2 45 82 17678 270 25 25.0 -0.0 | 250 23 21.3 7.8 46 74 18288 290 24 22.6 -8.2 | 271 19 18.8 -0.4 47 71 18593 275 13 13.0 -1.1 | 234 11 9.2 6.6 48 70 18650 270 24 24.0 -0.0 | 249 22 20.3 7.8 49 67 18898 275 24 23.9 -2.1 | 254 21 20.2 5.7 50 64 19202 300 16 13.9 -8.0 | 271 10 10.1 -0.2 51 61 19507 310 4 3.1 -2.6 | 173 5 -0.7 5.2 52 50 20690 35 10 -5.7 -8.2 | 87 9 -9.5 -0.4 53 50 20726 10 10 -1.7 -9.8 | 69 6 -5.5 -2.1 54 47 21031 50 10 -7.7 -6.4 | 97 11 -11.4 1.3 55 45 21336 105 9 -8.7 2.3 | 129 16 -12.4 10.1 56 39 22250 220 2 1.3 1.5 | 165 10 -2.4 9.3 57 37 22555 30 19 -9.5 -16.5 | 57 16 -13.2 -8.7 58 35 22860 60 15 -13.0 -7.5 | 91 17 -16.7 0.3 59 34 23165 70 10 -9.4 -3.4 | 108 14 -13.1 4.3 60 30 23880 105 3 -2.9 0.8 | 142 11 -6.6 8.5 61 29 24079 135 1 -0.7 0.7 | 152 10 -4.4 8.5 62 27 24384 155 6 -2.5 5.4 | 155 15 -6.3 13.2 63 23 24994 35 10 -5.7 -8.2 | 87 9 -9.5 -0.4 64 19 25908 145 6 -3.4 4.9 | 151 15 -7.2 12.7 Wind Parameters Mean winds (0-6000m): 304.4 at 11.5 knts Storm direction: 334.4 at 8.6 knts Shear (0-3000m) pos: 2.4 neg: 1.0 tot: 3.4 10-3/s Storm rel Dir Shear (0-3000m): 19.4 deg Storm rel helicity (0-3000m) pos: 55.2 neg: -36.5 tot: 18.7 m^2/s^2 ave: 6.2 10^-3 m/s^2 rel: 0.11 Storm rel vorticity (0-3000m) horiz: 6.9 stream: 0.8 10^-3/s Energy-Hel index: 0.19 Bulk Rich Number: 17.05 Bulk Shear: 37.56 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 ------------------------------------------------------------------------------- 500 170 7 161 15| 0.0 2.7 2.7| 0.0 -9.4 -9.4 -18.8 -0.79| 3.0 -2.4 1000 154 8 154 16| 0.0 3.1 3.1| 12.6 -25.6 -13.0 -13.0 -0.26| 7.0 -1.8 1500 157 7 156 16| 2.7 2.0 4.7| 35.1 -25.6 9.5 6.4 0.09| 7.9 0.7 2000 171 7 162 16| 2.7 1.5 4.3| 48.4 -25.6 22.8 11.4 0.20| 7.0 1.4 2500 182 8 167 16| 2.2 1.2 3.4| 50.1 -30.2 19.9 7.9 0.14| 6.8 0.9 3000 187 7 169 15| 2.4 1.0 3.4| 55.2 -36.5 18.7 6.2 0.11| 6.9 0.8 4000 231 8 191 13| 2.5 0.8 3.3| 62.8 -37.0 25.8 6.4 0.18| 7.7 1.4 5000 295 11 243 7| 2.4 0.4 2.8| 91.0 -51.8 39.2 7.8 0.19| 7.6 1.5 6000 304 11 257 6| 1.7 0.5 2.2|100.9 -59.3 41.6 6.9 0.16| 7.7 1.2 Wrote GIF file: K2800.skewt.18.GIF