UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101800.upa.cvt Date: 0000Z 18 OCT 25 Searching for HEMM... Searching the city database file for: HEMM ... Date:0000Z 18 OCT 25 Station: HEMM WMO ident: 62306 Latitude: 31.33 Longitude: 27.22 Elevation: 30.00 ------------------------------------------------------------------------------- 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 1018 30 18.0 14.1 78 3.9 15.5 185 3 289.7 291.4 288.0 317.7 9.98 1 1017 39 18.0 14.1 78 3.9 15.5 183 3 289.7 291.5 288.1 317.8 9.99 2 1006 134 21.0 16.0 73 5.0 17.7 155 6 293.6 295.7 290.6 326.3 11.44 3 1000 186 20.8 15.8 73 5.0 17.5 140 8 294.0 296.0 290.7 326.4 11.36 4 979 369 19.4 14.4 73 5.0 16.2 82 8 294.3 296.2 290.2 324.7 10.59 5 967 475 21.0 3.0 30 18.0 11.3 48 9 297.0 297.9 285.9 311.5 4.91 6 937 748 20.4 9.4 49 11.0 13.7 348 13 299.1 300.5 289.5 322.3 7.92 7 925 859 20.0 8.0 46 12.0 12.9 335 16 299.8 301.1 289.2 321.3 7.29 8 865 1433 17.2 -0.8 29 18.0 8.0 354 14 302.6 303.4 287.2 315.3 4.17 9 852 1562 17.0 1.0 34 16.0 8.5 358 15 303.8 304.6 288.2 318.4 4.83 10 850 1582 16.8 0.8 34 16.0 8.3 355 15 303.7 304.6 288.2 318.3 4.77 11 765 2469 10.0 1.0 54 9.0 5.2 345 24 305.7 306.7 289.4 322.1 5.38 12 700 3201 5.0 -7.0 41 12.0 -0.3 360 23 308.0 308.6 288.2 318.2 3.23 13 660 3679 3.0 -22.0 14 25.0 -4.9 347 14 311.0 311.2 286.9 314.3 0.99 14 655 3740 3.8 -24.2 11 28.0 -4.8 343 14 312.6 312.7 287.2 315.4 0.82 15 620 4184 1.6 -23.4 14 25.0 -6.1 313 11 315.0 315.2 288.2 318.2 0.93 16 541 5262 -7.5 -23.5 27 16.0 -12.0 322 13 316.7 316.9 288.8 320.3 1.06 17 500 5870 -12.1 -35.1 13 23.0 -16.6 290 17 318.3 318.4 288.6 319.7 0.39 18 491 6009 -13.3 -34.3 15 21.0 -17.4 282 18 318.5 318.6 288.8 320.0 0.43 19 449 6687 -16.5 -47.5 5 31.0 -20.5 258 21 322.7 322.7 289.7 323.2 0.12 20 447 6721 -16.5 -48.5 4 32.0 -20.6 257 22 323.1 323.1 289.8 323.5 0.10 21 422 7153 -18.9 -55.9 2 37.0 -22.7 256 21 325.4 325.4 290.5 325.6 0.05 22 400 7550 -21.9 -42.9 13 21.0 -24.7 260 18 326.5 326.6 291.0 327.4 0.22 23 368 8157 -26.7 -50.7 8 24.0 -28.9 244 14 328.0 328.0 291.3 328.4 0.10 24 311 9343 -38.1 -46.1 43 8.0 -38.7 251 14 328.3 328.3 291.5 329.0 0.20 25 305 9477 -38.5 -53.5 19 15.0 -39.4 246 16 329.5 329.6 291.7 329.9 0.09 26 300 9590 -39.5 -56.5 15 17.0 -40.4 250 19 329.7 329.7 291.7 329.9 0.06 27 281 10034 -41.5 -62.5 8 21.0 -42.3 250 18 333.0 333.1 292.6 333.2 0.03 28 250 10820 -44.5 -71.5 3 27.0 -45.2 260 56 339.9 339.9 294.3 339.9 0.01 29 227 11462 -47.1 -73.1 4 26.0 -47.7 256 67 345.4 345.4 295.6 345.5 0.01 30 200 12290 -52.7 -76.7 4 24.0 -53.1 260 88 349.3 349.3 296.5 349.3 0.01 31 173 13214 -58.6 -78.1 6 19.5 -58.8 260 97 354.4 354.4 297.5 354.4 0.01 32 170 13323 -59.3 -78.3 7 19.0 -59.5 260 97 355.0 355.0 297.7 355.0 0.01 33 150 14100 -63.3 -80.3 8 17.0 -63.4 245 88 361.0 361.0 298.9 361.1 0.00 34 130 14975 -66.5 -84.5 6 18.0 -66.6 265 69 370.4 370.4 300.7 370.4 0.00 35 100 16560 -67.9 -85.9 6 18.0 -68.0 250 53 396.5 396.5 304.8 396.5 0.00 36 86 17470 -65.9 -86.9 4 21.0 -66.1 255 26 418.0 418.1 307.5 418.1 0.00 37 71 18625 -68.7 -88.7 4 20.0 -68.8 254 17 435.6 435.6 309.4 435.6 0.00 38 70 18710 -67.9 -88.9 3 21.0 -68.1 225 14 439.1 439.1 309.8 439.1 0.00 39 59 19743 -64.3 -89.3 2 25.0 -64.6 284 14 469.2 469.2 312.5 469.2 0.00 40 56 20060 -65.9 -89.9 2 24.0 -66.1 349 2 472.6 472.6 312.8 472.6 0.00 41 50 20750 -63.3 -90.3 1 27.0 -63.7 335 5 494.3 494.3 314.5 494.3 0.00 42 42 21821 -63.7 -90.7 1 27.0 -64.1 201 10 518.6 518.6 316.2 518.6 0.00 43 30 23920 -56.7 -88.7 1 32.0 -58.0 325 14 590.1 590.1 320.2 590.1 0.00 44 25 25086 -52.9 -86.9 1 34.0 -55.2 309 12 632.6 632.6 322.0 632.6 0.01 45 23 25622 -54.7 -87.7 1 33.0 -56.8 349 18 642.5 642.5 322.4 642.6 0.01 46 20 26520 -52.9 -86.9 1 34.0 -55.6 305 2 674.3 674.3 323.6 674.3 0.01 47 17 27574 -50.5 -85.5 1 35.0 -54.2 282 1 714.0 714.0 324.8 714.1 0.02 48 13 29315 -52.7 -86.7 1 34.0 -56.5 331 15 763.3 763.4 326.3 763.5 0.02 49 11 30404 -48.7 -85.7 1 37.0 -54.4 355 14 815.2 815.2 327.6 815.4 0.02 TRP 130 14975 -66.5 -84.5 6 18.0 -66.6 265 69 370.4 370.4 300.7 370.4 0.00 WND 173 13214 -58.6 -78.1 6 19.5 -58.8 260 97 354.4 354.4 297.5 354.4 0.01 Sounding variables and indices 1000-500 mb thick: 5684.00 m Freezing level: 606.11 mb = 4373.34 m = 14348.07 ft Wetbulb zero: 703.87 mb = 3155.50 m = 10352.55 ft Precipitable water: 0.87 inches Sfc-500 mean rel hum: 33.71 % Est. max temperature: 30.89 C = 87.61 F Sfc-Lift cond lev (LCL): 960.76 mb = 531.44 m = 1743.55 ft T: 20.88 C 700-500 lapse rate: 6.41 C/km ThetaE index: 14.90 C Layer 979.0- 937.0 mb Conv cond level (CCL): 718.79 mb = 2982.65 m = 9785.46 ft Mean mixing ratio: 8.48 g/kg Conv temperature: 35.76 C = 96.37 F Cap Strength: 7.31 C Lifted Index: 3.82 C Risk: None Lifted Index @300 mb: 6.77 C Lifted Index @700 mb: 4.22 C Showalter Index: 5.28 C Risk: None Total Totals Index: 41.80 C Risk: None Vertical Totals Index: 28.90 C Cross Totals Index: 12.90 C K Index: 17.70 Risk: < 20 % chance of thunderstorms Sweat Index: 56.60 Risk: None Energy Index: 0.44 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 35.95 J/kg Max Up Vert Vel: 8.48 m/s Conv Inhibition (B-): 56249.24 J/kg Cap Strength: 7.31 C Lift Cond Lev (LCL): 841.05 mb = 1671.10 m = 5482.53 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 9 at 11 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 1018 30 185 3 0.3 3.0 | 188 14 2.0 13.9 1 1000 186 140 8 -5.1 6.1 | 169 17 -3.4 17.1 2 952 610 5 9 -0.8 -9.0 | 206 2 1.0 2.0 3 925 859 335 16 6.8 -14.5 | 293 9 8.5 -3.5 4 919 914 335 17 7.2 -15.4 | 297 10 8.9 -4.4 5 887 1219 330 15 7.5 -13.0 | 282 9 9.2 -2.0 6 856 1524 5 14 -1.2 -13.9 | 350 3 0.5 -3.0 7 850 1582 355 15 1.3 -14.9 | 323 5 3.0 -4.0 8 796 2134 350 16 2.8 -15.8 | 317 7 4.5 -4.8 9 767 2438 345 24 6.2 -23.2 | 327 15 7.9 -12.2 10 740 2743 350 25 4.3 -24.6 | 336 15 6.1 -13.7 11 700 3201 360 23 -0.0 -23.0 | 352 12 1.7 -12.0 12 687 3353 5 17 -1.5 -16.9 | 358 6 0.3 -6.0 13 636 3962 330 12 6.0 -10.4 | 266 8 7.7 0.6 14 612 4267 305 10 8.2 -5.7 | 242 11 9.9 5.2 15 589 4572 310 10 7.7 -6.4 | 244 10 9.4 4.5 16 545 5182 320 13 8.4 -10.0 | 264 10 10.1 1.0 17 525 5486 330 12 6.0 -10.4 | 266 8 7.7 0.6 18 505 5791 295 14 12.7 -5.9 | 251 15 14.4 5.0 19 500 5870 290 17 16.0 -5.8 | 254 18 17.7 5.1 20 466 6401 260 21 20.7 3.6 | 237 27 22.4 14.6 21 430 7010 255 22 21.3 5.7 | 234 28 23.0 16.7 22 400 7550 260 18 17.7 3.1 | 234 24 19.5 14.1 23 396 7620 265 19 18.9 1.7 | 239 24 20.7 12.6 24 379 7925 240 14 12.1 7.0 | 218 23 13.9 18.0 25 319 9144 260 13 12.8 2.3 | 228 20 14.5 13.2 26 306 9449 245 15 13.6 6.3 | 222 23 15.3 17.3 27 300 9590 250 19 17.9 6.5 | 228 26 19.6 17.5 28 280 10058 250 18 16.9 6.2 | 227 25 18.7 17.1 29 250 10820 260 56 55.1 9.7 | 250 61 56.9 20.7 30 233 11278 255 62 59.9 16.0 | 246 67 61.6 27.0 31 200 12290 260 88 86.7 15.3 | 253 92 88.4 26.2 32 173 13214 260 97 95.5 16.8 | 254 101 97.3 27.8 33 168 13411 260 97 95.5 16.8 | 254 101 97.3 27.8 34 150 14100 245 88 79.8 37.2 | 239 95 81.5 48.1 35 145 14326 245 87 78.8 36.8 | 239 94 80.6 47.7 36 130 14975 265 69 68.7 6.0 | 256 72 70.5 17.0 37 124 15240 265 73 72.7 6.4 | 257 76 74.5 17.3 38 112 15850 235 45 36.9 25.8 | 226 53 38.6 36.8 39 107 16154 225 47 33.2 33.2 | 218 56 35.0 44.2 40 102 16459 225 54 38.2 38.2 | 219 63 39.9 49.1 41 100 16560 250 53 49.8 18.1 | 241 59 51.5 29.1 42 97 16764 250 53 49.8 18.1 | 241 59 51.5 29.1 43 92 17069 265 34 33.9 3.0 | 249 38 35.6 13.9 44 87 17374 255 25 24.1 6.5 | 236 31 25.9 17.4 45 79 17983 255 32 30.9 8.3 | 239 38 32.6 19.2 46 75 18288 265 31 30.9 2.7 | 247 35 32.6 13.7 47 71 18593 265 18 17.9 1.6 | 238 23 19.7 12.5 48 70 18710 225 14 9.9 9.9 | 209 24 11.6 20.9 49 68 18898 265 16 15.9 1.4 | 235 22 17.7 12.4 50 61 19507 235 23 18.8 13.2 | 220 32 20.6 24.2 51 56 20117 0 0 -0.0 -0.0 | 189 11 1.7 11.0 52 53 20422 290 11 10.3 -3.8 | 239 14 12.1 7.2 53 50 20750 335 5 2.1 -4.5 | 211 7 3.8 6.4 54 45 21336 155 9 -3.8 8.2 | 174 19 -2.1 19.1 55 43 21641 190 10 1.7 9.8 | 189 21 3.5 20.8 56 30 23920 325 14 8.0 -11.5 | 273 10 9.8 -0.5 57 29 24079 295 10 9.1 -4.2 | 238 13 10.8 6.7 58 28 24384 340 12 4.1 -11.3 | 273 6 5.8 -0.3 59 25 24994 295 10 9.1 -4.2 | 238 13 10.8 6.7 60 24 25298 340 16 5.5 -15.0 | 299 8 7.2 -4.1 61 23 25603 350 18 3.1 -17.7 | 324 8 4.9 -6.8 62 21 26213 330 14 7.0 -12.1 | 278 9 8.7 -1.2 63 20 26518 330 10 5.0 -8.7 | 251 7 6.7 2.3 64 20 26520 305 2 1.6 -1.1 | 199 10 3.4 9.8 65 17 27127 280 1 1.0 -0.2 | 194 11 2.7 10.8 66 15 27432 245 9 8.2 3.8 | 214 18 9.9 14.8 67 14 27737 320 17 10.9 -13.0 | 279 13 12.7 -2.1 68 13 28042 335 14 5.9 -12.7 | 283 8 7.7 -1.7 69 11 28651 360 14 -0.0 -14.0 | 330 4 1.7 -3.0 70 9 29261 330 7 3.5 -6.1 | 227 7 5.2 4.9 71 8 29566 345 23 6.0 -22.2 | 326 14 7.7 -11.3 72 7 29870 295 10 9.1 -4.2 | 238 13 10.8 6.7 73 7 30175 305 19 15.6 -10.9 | 270 17 17.3 0.1 Wind Parameters Mean winds (0-6000m): 339.0 at 14.8 knts Storm direction: 9.0 at 11.1 knts Shear (0-3000m) pos: 2.1 neg: 5.2 tot: 7.3 10-3/s Storm rel Dir Shear (0-3000m): 157.4 deg Storm rel helicity (0-3000m) pos: 35.9 neg: -55.9 tot: -20.1 m^2/s^2 ave: -6.7 10^-3 m/s^2 rel: 0.06 Storm rel vorticity (0-3000m) horiz: 11.2 stream: 0.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.68 Bulk Shear: 52.64 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 ------------------------------------------------------------------------------- 500 103 8 156 14| 0.0 11.9 11.9| 0.2 -48.1 -47.9 -95.7 -0.56| 22.7-12.6 1000 356 10 257 2| 0.0 9.7 9.7| 5.8 -50.1 -44.3 -44.3 -0.11| 19.5 -2.2 1500 347 12 279 4| 2.9 6.5 9.3| 14.1 -53.3 -39.2 -26.1 0.00| 16.4 0.1 2000 350 13 292 4| 2.1 5.6 7.7| 14.1 -55.7 -41.6 -20.8 -0.04| 13.3 -0.5 2500 349 14 304 5| 1.7 6.2 8.0| 20.8 -55.9 -35.1 -14.0 0.00| 12.5 0.0 3000 350 16 316 7| 2.1 5.2 7.3| 35.9 -55.9 -20.1 -6.7 0.06| 11.2 0.7 4000 351 16 319 7| 1.6 2.9 4.5| 42.3 -73.6 -31.3 -7.8 -0.05| 10.8 -0.6 5000 345 15 302 7| 1.2 2.3 3.5| 50.4 -81.2 -30.7 -6.1 -0.05| 9.4 -0.4 6000 339 15 292 8| 1.2 2.6 3.8| 53.4 -95.8 -42.4 -7.1 -0.06| 9.2 -0.6 Wrote GIF file: /home/apache/climate/data/raob//HEMM/skewt/HEMM.skewt.20251018.00.gif