UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122000.upa.cvt Date: 0000Z 20 DEC 25 Searching for KTWC... Searching the city database file for: KTWC ... Date:0000Z 20 DEC 25 Station: KTWC WMO ident: 72274 Latitude: 32.23 Longitude: -110.96 Elevation: 751.00 ------------------------------------------------------------------------------- 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 102 SFC 930 751 27.2 -2.8 14 30.0 11.7 5 3 306.6 307.3 287.8 317.1 3.34 2 925 794 26.4 -2.6 15 29.0 11.4 340 6 306.3 306.9 287.7 316.9 3.41 3 894 1092 23.4 -3.6 16 27.0 9.7 318 7 306.2 306.8 287.6 316.4 3.27 4 850 1528 19.8 -5.2 18 25.0 7.6 280 11 306.9 307.5 287.6 316.5 3.05 5 826 1773 17.6 -5.4 20 23.0 6.5 276 13 307.1 307.7 287.7 316.8 3.09 6 782 2237 14.2 -9.8 18 24.0 3.7 274 16 308.3 308.7 287.3 315.7 2.32 7 732 2790 10.0 -8.0 27 18.0 1.9 259 22 309.6 310.1 288.3 318.7 2.86 8 728 2836 10.2 -6.8 30 17.0 2.3 264 22 310.3 310.9 288.8 320.3 3.15 9 720 2928 10.6 -22.4 8 33.0 -0.6 273 20 311.7 311.9 287.0 314.7 0.88 10 716 2974 10.8 -21.2 9 32.0 -0.3 278 19 312.4 312.6 287.3 315.7 0.98 11 706 3091 10.6 -17.4 12 28.0 0.0 283 19 313.5 313.7 288.1 318.1 1.38 12 700 3162 10.0 -18.0 12 28.0 -0.4 280 20 313.6 313.8 288.1 318.0 1.32 13 621 4140 2.0 -26.0 10 28.0 -6.2 285 21 315.3 315.5 288.1 317.9 0.74 14 537 5295 -5.3 -36.3 7 31.0 -12.0 293 34 320.0 320.0 289.1 321.1 0.32 15 500 5850 -9.7 -36.7 9 27.0 -15.1 285 37 321.2 321.3 289.5 322.4 0.33 16 457 6537 -15.5 -37.5 13 22.0 -19.4 280 39 322.3 322.4 289.8 323.6 0.33 17 436 6891 -17.3 -43.3 8 26.0 -21.1 280 40 324.4 324.4 290.3 325.1 0.19 18 400 7530 -23.3 -45.3 11 22.0 -25.9 280 41 324.7 324.7 290.4 325.3 0.17 19 395 7622 -23.7 -48.7 8 25.0 -26.3 280 41 325.4 325.4 290.5 325.8 0.12 20 326 8988 -36.1 -48.1 28 12.0 -37.0 284 49 326.6 326.7 290.9 327.2 0.15 21 321 9095 -37.1 -48.1 31 11.0 -37.9 285 50 326.7 326.7 290.9 327.3 0.15 22 316 9204 -37.9 -52.9 19 15.0 -38.8 285 49 327.1 327.1 291.0 327.4 0.09 23 307 9402 -38.9 -55.9 15 17.0 -39.8 285 47 328.4 328.4 291.3 328.6 0.06 24 306 9425 -38.9 -55.9 15 17.0 -39.8 285 47 328.7 328.7 291.4 328.9 0.06 25 300 9560 -40.1 -56.1 16 16.0 -40.9 285 45 328.8 328.9 291.5 329.1 0.06 26 276 10123 -45.1 -56.1 28 11.0 -45.5 288 45 329.6 329.6 291.7 329.8 0.07 27 261 10495 -46.5 -64.5 11 18.0 -47.0 295 41 332.8 332.8 292.5 332.9 0.03 28 250 10780 -48.1 -67.1 9 19.0 -48.6 305 31 334.6 334.6 293.0 334.6 0.02 29 240 11048 -50.1 -66.1 14 16.0 -50.4 303 30 335.5 335.5 293.2 335.6 0.02 30 234 11213 -50.9 -70.9 8 20.0 -51.2 300 31 336.7 336.7 293.5 336.8 0.01 31 219 11642 -53.5 -71.5 9 18.0 -53.8 291 35 339.1 339.1 294.1 339.2 0.01 32 207 12002 -56.1 -68.1 21 12.0 -56.3 285 38 340.6 340.6 294.5 340.6 0.02 33 200 12220 -57.3 -70.3 18 13.0 -57.5 285 41 342.0 342.0 294.8 342.1 0.01 34 195 12379 -57.9 -72.9 13 15.0 -58.1 282 44 343.6 343.6 295.2 343.6 0.01 35 185 12709 -60.1 -73.1 17 13.0 -60.2 281 43 345.2 345.2 295.6 345.2 0.01 36 182 12811 -59.7 -74.7 12 15.0 -59.9 282 42 347.5 347.5 296.1 347.5 0.01 37 162 13532 -62.7 -80.7 7 18.0 -62.9 291 38 354.2 354.2 297.5 354.2 0.00 38 158 13686 -62.1 -83.1 4 21.0 -62.3 299 41 357.7 357.7 298.2 357.8 0.00 39 156 13765 -60.1 -84.1 3 24.0 -60.3 303 43 362.4 362.5 299.2 362.5 0.00 40 153 13886 -59.5 -84.5 2 25.0 -59.7 309 45 365.5 365.5 299.8 365.5 0.00 41 150 14010 -59.9 -84.9 2 25.0 -60.1 315 48 366.9 366.9 300.0 366.9 0.00 42 144 14264 -61.9 -84.9 3 23.0 -62.1 317 46 367.7 367.7 300.1 367.7 0.00 43 136 14615 -65.1 -86.1 4 21.0 -65.2 324 41 368.1 368.1 300.2 368.1 0.00 44 127 15031 -66.9 -85.9 5 19.0 -67.0 325 37 372.1 372.1 300.9 372.1 0.00 45 120 15372 -68.9 -86.9 6 18.0 -69.0 306 37 374.6 374.6 301.4 374.6 0.00 46 118 15473 -68.5 -86.5 6 18.0 -68.6 303 39 377.1 377.1 301.8 377.1 0.00 47 111 15837 -71.7 -87.7 7 16.0 -71.8 305 44 377.8 377.8 301.9 377.8 0.00 48 106 16109 -72.1 -88.1 7 16.0 -72.2 309 47 382.0 382.0 302.6 382.0 0.00 49 100 16450 -74.3 -88.3 10 14.0 -74.3 310 28 384.2 384.2 302.9 384.2 0.00 50 95 16747 -76.3 -89.3 11 13.0 -76.3 305 30 385.9 385.9 303.2 385.9 0.00 51 89 17124 -75.5 -91.5 6 16.0 -75.5 309 31 394.8 394.8 304.5 394.8 0.00 52 87 17256 -73.9 -90.9 6 17.0 -73.9 317 32 400.6 400.6 305.3 400.6 0.00 53 83 17530 -75.3 -91.3 6 16.0 -75.3 322 35 403.2 403.2 305.6 403.2 0.00 54 80 17744 -74.1 -90.1 7 16.0 -74.2 322 35 409.9 409.9 306.5 409.9 0.00 55 74 18195 -77.3 -91.3 9 14.0 -77.3 323 19 412.4 412.4 306.8 412.4 0.00 56 73 18274 -73.9 -88.9 8 15.0 -74.0 320 15 421.2 421.2 307.9 421.2 0.00 57 71 18436 -72.3 -89.3 6 17.0 -72.4 288 24 428.0 428.0 308.6 428.0 0.00 58 70 18520 -71.3 -89.3 5 18.0 -71.4 270 29 431.8 431.8 309.0 431.9 0.00 59 62 19237 -70.9 -89.9 4 19.0 -71.0 291 27 448.0 448.0 310.7 448.0 0.00 60 59 19530 -71.9 -90.9 4 19.0 -72.0 299 23 452.1 452.1 311.1 452.1 0.00 61 57 19733 -70.3 -90.3 4 20.0 -70.4 293 29 460.3 460.3 311.8 460.3 0.00 62 54 20052 -72.9 -91.9 4 19.0 -73.0 322 22 461.4 461.4 311.9 461.4 0.00 63 53 20162 -70.9 -90.9 4 20.0 -71.1 330 18 468.5 468.5 312.5 468.5 0.00 64 52 20275 -70.1 -91.1 3 21.0 -70.2 330 15 473.0 473.0 312.9 473.0 0.00 65 50 20510 -66.3 -91.3 2 25.0 -66.5 295 21 487.2 487.2 314.0 487.3 0.00 66 49 20633 -65.3 -91.3 2 26.0 -65.6 289 22 492.4 492.4 314.4 492.4 0.00 67 43 21435 -61.9 -89.9 1 28.0 -62.4 326 16 519.5 519.5 316.3 519.6 0.00 68 41 21731 -59.7 -89.7 1 30.0 -60.4 350 7 532.2 532.2 317.1 532.2 0.00 69 39 22043 -61.3 -89.3 1 28.0 -61.9 322 3 535.8 535.8 317.3 535.8 0.00 70 37 22370 -60.3 -89.3 1 29.0 -61.0 249 10 546.5 546.5 317.9 546.5 0.00 71 32 23271 -62.3 -90.3 1 28.0 -63.0 268 15 564.3 564.3 318.9 564.3 0.00 72 30 23670 -62.1 -90.1 1 28.0 -62.8 315 12 575.3 575.3 319.5 575.4 0.00 73 28 24097 -60.5 -89.5 1 29.0 -61.4 312 12 591.3 591.3 320.2 591.3 0.00 74 25 24796 -63.3 -90.3 1 27.0 -64.0 272 12 602.7 602.7 320.7 602.7 0.00 75 24 25049 -59.9 -89.9 1 30.0 -61.0 253 11 619.7 619.7 321.5 619.7 0.00 76 24 25049 -60.7 -89.7 1 29.0 -61.7 253 11 617.3 617.3 321.4 617.4 0.01 77 20 26190 -57.3 -88.3 1 31.0 -59.0 270 30 660.8 660.8 323.1 660.8 0.01 78 18 26856 -58.3 -88.3 1 30.0 -60.0 287 27 677.8 677.8 323.7 677.9 0.01 79 18 26856 -56.5 -87.5 1 31.0 -58.6 287 27 683.5 683.5 323.9 683.6 0.01 80 17 27219 -56.3 -87.3 1 31.0 -58.5 318 19 695.4 695.4 324.3 695.5 0.01 81 17 27219 -57.1 -88.1 1 31.0 -59.2 318 19 692.9 692.9 324.2 692.9 0.01 82 15 28024 -50.9 -84.9 1 34.0 -54.8 267 17 738.7 738.7 325.6 738.9 0.02 83 11 30019 -56.7 -87.7 1 31.0 -59.7 265 28 786.2 786.2 326.9 786.3 0.02 84 11 30019 -54.7 -87.7 1 33.0 -58.2 265 28 793.4 793.4 327.1 793.6 0.02 85 10 30630 -54.5 -86.5 1 32.0 -58.3 265 26 816.1 816.1 327.6 816.3 0.02 86 8.0 32073 -50.1 -85.1 1 35.0 -56.3 887.4 887.4 329.2 887.7 0.04 87 7.4 32581 -51.5 -85.5 1 34.0 -57.4 901.7 901.7 329.5 902.1 0.04 TRP 95 16747 -76.3 -89.3 11 13.0 -76.3 305 30 385.9 385.9 303.2 385.9 0.00 WND Sounding variables and indices 1000-500 mb thick: 5748.00 m Freezing level: 597.99 mb = 4456.56 m = 14621.10 ft Wetbulb zero: 721.58 mb = 2909.38 m = 9545.08 ft Precipitable water: 0.33 inches Sfc-500 mean rel hum: 13.50 % Est. max temperature: 28.85 C = 83.94 F Sfc-Lift cond lev (LCL): 596.36 mb = 4461.88 m = 14638.54 ft T: -0.03 C 700-500 lapse rate: 7.33 C/km ThetaE index: 5.61 C Layer 720.0- 716.0 mb Conv cond level (CCL): 483.96 mb = 6099.12 m = 20009.99 ft Mean mixing ratio: 3.21 g/kg Conv temperature: 41.88 C = 107.39 F Cap Strength: 9.09 C Lifted Index: 8.62 C Risk: None Lifted Index @300 mb: 9.10 C Lifted Index @700 mb: 6.33 C Showalter Index: 8.68 C Risk: None Total Totals Index: 34.00 C Risk: None Vertical Totals Index: 29.50 C Cross Totals Index: 4.50 C K Index: -3.70 Risk: None Sweat Index: 59.00 Risk: None Energy Index: 1.37 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.86 J/kg Max Up Vert Vel: 2.39 m/s Conv Inhibition (B-): 51892.32 J/kg Cap Strength: 9.10 C Lift Cond Lev (LCL): 592.12 mb = 4518.52 m = 14824.35 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 313 at 18 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 ---------------------------------------------------------- 0 930 751 5 3 -0.3 -3.0 | 125 16 -13.1 9.1 1 925 794 340 6 2.1 -5.6 | 121 13 -10.8 6.4 2 912 914 330 6 3.0 -5.2 | 125 12 -9.8 6.8 3 881 1219 310 7 5.4 -4.5 | 135 11 -7.5 7.5 4 850 1524 275 10 10.0 -0.9 | 166 12 -2.9 11.2 5 850 1528 280 11 10.8 -1.9 | 169 10 -2.0 10.1 6 820 1829 275 13 13.0 -1.1 | 181 11 0.1 10.9 7 791 2134 280 15 14.8 -2.6 | 192 10 2.0 9.4 8 763 2438 260 18 17.7 3.1 | 198 16 4.9 15.2 9 736 2743 255 23 22.2 6.0 | 208 20 9.4 18.0 10 710 3048 285 18 17.4 -4.7 | 212 9 4.6 7.4 11 700 3162 280 20 19.7 -3.5 | 219 11 6.9 8.6 12 658 3658 280 19 18.7 -3.3 | 214 11 5.9 8.7 13 633 3962 280 17 16.7 -3.0 | 203 10 3.9 9.1 14 610 4267 290 25 23.5 -8.6 | 252 11 10.7 3.5 15 587 4572 285 26 25.1 -6.7 | 247 13 12.3 5.3 16 565 4877 290 29 27.3 -9.9 | 262 15 14.4 2.1 17 523 5486 295 37 33.5 -15.6 | 280 21 20.7 -3.6 18 500 5850 285 37 35.7 -9.6 | 264 23 22.9 2.5 19 484 6096 280 38 37.4 -6.6 | 258 25 24.6 5.4 20 400 7530 280 41 40.4 -7.1 | 260 28 27.6 4.9 21 395 7620 280 41 40.4 -7.1 | 260 28 27.6 4.9 22 318 9144 285 50 48.3 -12.9 | 271 35 35.5 -0.9 23 300 9560 285 45 43.5 -11.6 | 269 31 30.7 0.4 24 266 10363 290 45 42.3 -15.4 | 276 30 29.5 -3.3 25 250 10780 305 31 25.4 -17.8 | 295 14 12.6 -5.7 26 243 10973 305 29 23.8 -16.6 | 293 12 10.9 -4.6 27 211 11887 285 37 35.7 -9.6 | 264 23 22.9 2.5 28 200 12220 285 41 39.6 -10.6 | 267 27 26.8 1.4 29 191 12497 280 46 45.3 -8.0 | 263 33 32.5 4.1 30 165 13411 285 35 33.8 -9.1 | 262 21 21.0 3.0 31 150 14010 315 48 33.9 -33.9 | 316 30 21.1 -21.9 32 150 14021 305 55 45.1 -31.5 | 301 38 32.2 -19.5 33 142 14326 320 43 27.6 -32.9 | 325 26 14.8 -20.9 34 129 14935 330 38 19.0 -32.9 | 343 22 6.2 -20.9 35 122 15240 310 36 27.6 -23.1 | 307 18 14.8 -11.1 36 116 15545 300 40 34.6 -20.0 | 290 23 21.8 -8.0 37 105 16154 310 48 36.8 -30.9 | 308 30 24.0 -18.8 38 100 16450 310 28 21.4 -18.0 | 305 10 8.6 -6.0 39 95 16747 305 30 24.6 -17.2 | 294 13 11.8 -5.2 40 95 16764 310 28 21.4 -18.0 | 305 10 8.6 -6.0 41 90 17069 305 31 25.4 -17.8 | 295 14 12.6 -5.7 42 85 17374 325 33 18.9 -27.0 | 338 16 6.1 -15.0 43 81 17678 320 37 23.8 -28.3 | 326 20 11.0 -16.3 44 77 17983 330 27 13.5 -23.4 | 357 11 0.7 -11.3 45 73 18288 320 15 9.6 -11.5 | 100 3 -3.2 0.6 46 70 18520 270 29 29.0 -0.0 | 233 20 16.2 12.0 47 69 18593 295 13 11.8 -5.5 | 171 7 -1.0 6.6 48 66 18898 280 33 32.5 -5.7 | 252 21 19.7 6.3 49 59 19507 300 22 19.1 -11.0 | 260 6 6.2 1.0 50 56 19812 290 31 29.1 -10.6 | 265 16 16.3 1.4 51 53 20117 330 20 10.0 -17.3 | 28 6 -2.8 -5.3 52 51 20422 330 10 5.0 -8.7 | 113 9 -7.8 3.4 53 50 20510 295 21 19.0 -8.9 | 243 7 6.2 3.2 54 48 20726 285 22 21.3 -5.7 | 233 11 8.4 6.4 55 44 21336 315 20 14.1 -14.1 | 328 2 1.3 -2.1 56 42 21641 345 10 2.6 -9.7 | 103 11 -10.2 2.4 57 40 21946 0 0 -0.0 -0.0 | 133 18 -12.8 12.0 58 38 22250 245 10 9.1 4.2 | 167 17 -3.8 16.3 59 36 22555 255 10 9.7 2.6 | 168 15 -3.2 14.6 60 34 22860 235 10 8.2 5.7 | 165 18 -4.6 17.8 61 33 23165 270 14 14.0 -0.0 | 186 12 1.2 12.0 62 31 23470 265 18 17.9 1.6 | 201 15 5.1 13.6 63 30 23670 315 12 8.5 -8.5 | 129 6 -4.3 3.6 64 30 23774 280 23 22.7 -4.0 | 231 13 9.8 8.1 65 28 24079 315 12 8.5 -8.5 | 129 6 -4.3 3.6 66 27 24384 265 12 12.0 1.0 | 176 13 -0.9 13.1 67 25 24689 280 12 11.8 -2.1 | 174 10 -1.0 10.0 68 23 25298 235 10 8.2 5.7 | 165 18 -4.6 17.8 69 22 25603 230 21 16.1 13.5 | 187 26 3.3 25.5 70 21 25908 255 21 20.3 5.4 | 203 19 7.5 17.5 71 20 26190 270 30 30.0 -0.0 | 235 21 17.2 12.0 72 20 26213 250 32 30.1 10.9 | 217 29 17.3 23.0 73 18 26822 280 28 27.6 -4.9 | 244 16 14.8 7.2 74 17 27127 330 18 9.0 -15.6 | 47 5 -3.8 -3.5 75 16 27432 295 20 18.1 -8.5 | 236 6 5.3 3.6 76 16 27737 265 17 16.9 1.5 | 197 14 4.1 13.5 77 14 28346 270 18 18.0 -0.0 | 203 13 5.2 12.0 78 14 28651 210 18 9.0 15.6 | 172 28 -3.8 27.6 79 13 28956 245 22 19.9 9.3 | 198 22 7.1 21.3 80 12 29261 290 14 13.2 -4.8 | 183 7 0.3 7.3 81 12 29566 255 13 12.6 3.4 | 179 15 -0.3 15.4 82 11 29870 265 28 27.9 2.4 | 226 21 15.1 14.5 83 10 30630 265 26 25.9 2.3 | 222 19 13.1 14.3 Wind Parameters Mean winds (0-6000m): 283.2 at 23.5 knts Storm direction: 313.2 at 17.6 knts Shear (0-3000m) pos: 1.6 neg: 3.9 tot: 5.5 10-3/s Storm rel Dir Shear (0-3000m): 86.2 deg Storm rel helicity (0-3000m) pos: 63.4 neg: -6.4 tot: 57.0 m^2/s^2 ave: 19.0 10^-3 m/s^2 rel: 0.40 Storm rel vorticity (0-3000m) horiz: 7.6 stream: 3.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.06 Bulk Shear: 48.59 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 ------------------------------------------------------------------------------- 500 324 6 127 12| 0.0 6.5 6.5| 8.9 -1.9 7.0 14.0 0.34| 7.5 2.6 1000 298 8 146 10| 0.0 6.6 6.6| 28.5 -1.9 26.7 26.7 0.66| 7.5 5.0 1500 288 10 161 9| 0.0 5.7 5.7| 37.9 -1.9 36.0 24.0 0.67| 6.7 4.5 2000 276 12 178 11| 0.0 6.2 6.2| 53.8 -1.9 51.9 25.9 0.57| 7.4 4.3 2500 276 14 186 11| 1.9 4.9 6.9| 63.4 -2.7 60.7 24.3 0.44| 8.8 3.9 3000 277 15 191 11| 1.6 3.9 5.5| 63.4 -6.4 57.0 19.0 0.40| 7.6 3.0 4000 280 17 203 10| 1.8 3.3 5.1| 92.8 -12.2 80.7 20.2 0.44| 7.5 3.3 5000 284 20 224 10| 2.1 3.1 5.2|122.8 -36.1 86.7 17.3 0.39| 7.5 2.9 6000 283 23 236 12| 1.7 3.0 4.7|126.0 -62.7 63.3 10.5 0.31| 6.8 2.1 Wrote GIF file: /home/apache/climate/data/raob//KTWC/skewt/KTWC.skewt.20251220.00.gif