133:
443:
25:
239:
exposed to the sun, which is not included in standard meteorological equipment used in official weather conditions reporting (nor are, in most cases, any other explicit means of measuring solar radiation; temperature measurement takes place entirely in a shade box to avoid direct solar effects). It
244:
Since there is no direct measurement of solar radiation in U.S. observation systems, and solar radiation can add up to 15 °F (8.3 °C) to the apparent temperature, commercial weather companies have attempted to develop their own proprietary apparent temperature systems, including
240:
also does not have an explicit relationship with the perceived temperature a person feels; when used for practical purposes, the WBGT is linked to a category system to estimate the threat of heat-related illness.
220:
factor measures the effect of wind speed on cooling of the human body below 10 °C (50 °F). As airflow increases over the skin, more heat will be removed. Standard models and conditions are used.
425:
446:
A generalized view of the heat index showing how the perception of heat by the human body increases with temperature but more rapidly at higher humidity levels.
209:
measure the effect of humidity on the perception of temperatures above +27 °C (81 °F). In humid conditions, the air feels much hotter, because less
190:
235:), humidity, temperature and wind speed on the perception of temperature. It is not often used, since its measurement requires the use of a
228:
89:
61:
257:, are believed to estimate the effect of solar radiation based on the available meteorological data that is reported (such as
42:
68:
296:
469:
275:
75:
108:
459:
189:. The measure is most commonly applied to the perceived outdoor temperature. Apparent temperature was invented by
57:
402:
377:
464:
46:
141:
at the intersection of its two hands (indicating temperature and relative humidity), with a chart showing
132:
224:
151:
301:
193:
who published a paper about it in 1984. It also applies, however, to indoor temperatures, especially
82:
35:
270:
389:
8:
246:
393:
145:
according to the temperature (indicated) and wind speed (acquired by some other method)
407:
236:
182:
397:
178:
442:
426:"Wet Bulb Globe Temperature is Great for Heat Warnings - Why Don't We Use It?"
453:
411:
323:
254:
210:
250:
170:
197:, and when houses and workplaces are not sufficiently heated or cooled.
328:
217:
202:
186:
138:
174:
142:
24:
258:
232:
206:
297:"In weather forecasts, what does 'feels like' temperature mean?"
430:
351:
253:'s "RealFeel". These systems, while their exact mechanisms are
194:
276:
Thermal comfort § Interplay of temperature and humidity
403:
10.1175/1520-0450(1984)023<1674:ausoat>2.0.co;2
49:. Unsourced material may be challenged and removed.
451:
156:Index calculated to be similar to a temperature
177:by humans, caused by the combined effects of
295:Muroi, Millie; Layt, Stuart (14 July 2022).
137:Instrument face indicating the value of the
378:"A Universal Scale of Apparent Temperature"
324:"BBC Weather - Help and FAQs - BBC Weather"
382:Journal of Climate and Applied Meteorology
131:
401:
352:"Online calculator: Apparent temperature"
294:
109:Learn how and when to remove this message
441:
375:
452:
376:Steadman, Robert G. (December 1984).
47:adding citations to reliable sources
18:
13:
16:Temperature as perceived by humans
14:
481:
23:
34:needs additional citations for
418:
369:
344:
316:
288:
1:
281:
7:
264:
10:
486:
225:wet-bulb globe temperature
470:Meteorological quantities
302:The Sydney Morning Herald
213:evaporates from the skin.
150:
130:
125:
460:Atmospheric temperature
447:
271:Equivalent temperature
58:"Apparent temperature"
465:Equivalent quantities
445:
229:effects of radiation
227:(WBGT) combines the
163:Apparent temperature
126:Apparent temperature
43:improve this article
394:1984JApMe..23.1674S
249:'s "FeelsLike" and
247:The Weather Company
448:
261:and cloud cover).
191:Robert G. Steadman
388:(12): 1674–1687.
237:globe thermometer
183:relative humidity
165:, also known as "
160:
159:
119:
118:
111:
93:
477:
436:
435:
422:
416:
415:
405:
373:
367:
366:
364:
362:
348:
342:
341:
339:
337:
320:
314:
313:
311:
309:
292:
135:
123:
122:
114:
107:
103:
100:
94:
92:
51:
27:
19:
485:
484:
480:
479:
478:
476:
475:
474:
450:
449:
440:
439:
424:
423:
419:
374:
370:
360:
358:
350:
349:
345:
335:
333:
332:. 9 August 2022
322:
321:
317:
307:
305:
293:
289:
284:
267:
179:air temperature
146:
115:
104:
98:
95:
52:
50:
40:
28:
17:
12:
11:
5:
483:
473:
472:
467:
462:
438:
437:
417:
368:
356:planetcalc.com
343:
315:
286:
285:
283:
280:
279:
278:
273:
266:
263:
242:
241:
221:
214:
158:
157:
154:
148:
147:
136:
128:
127:
117:
116:
31:
29:
22:
15:
9:
6:
4:
3:
2:
482:
471:
468:
466:
463:
461:
458:
457:
455:
444:
433:
432:
427:
421:
413:
409:
404:
399:
395:
391:
387:
383:
379:
372:
357:
353:
347:
331:
330:
325:
319:
304:
303:
298:
291:
287:
277:
274:
272:
269:
268:
262:
260:
256:
255:trade secrets
252:
248:
238:
234:
230:
226:
222:
219:
215:
212:
208:
204:
200:
199:
198:
196:
192:
188:
184:
180:
176:
172:
168:
164:
155:
153:
149:
144:
140:
134:
129:
124:
121:
113:
110:
102:
91:
88:
84:
81:
77:
74:
70:
67:
63:
60: –
59:
55:
54:Find sources:
48:
44:
38:
37:
32:This article
30:
26:
21:
20:
429:
420:
385:
381:
371:
359:. Retrieved
355:
346:
334:. Retrieved
327:
318:
306:. Retrieved
300:
290:
243:
211:perspiration
166:
162:
161:
120:
105:
96:
86:
79:
72:
65:
53:
41:Please help
36:verification
33:
251:AccuWeather
231:(typically
173:equivalent
171:temperature
454:Categories
336:4 December
329:BBC Online
308:4 December
282:References
218:wind chill
203:heat index
187:wind speed
169:", is the
167:feels like
139:heat index
99:April 2020
69:newspapers
412:0733-3021
175:perceived
152:Dimension
143:windchill
265:See also
259:UV index
233:sunlight
390:Bibcode
361:7 April
207:humidex
83:scholar
431:Forbes
410:
195:saunas
85:
78:
71:
64:
56:
90:JSTOR
76:books
408:ISSN
363:2020
338:2022
310:2022
223:The
216:The
205:and
201:The
185:and
62:news
398:doi
45:by
456::
428:.
406:.
396:.
386:23
384:.
380:.
354:.
326:.
299:.
181:,
434:.
414:.
400::
392::
365:.
340:.
312:.
112:)
106:(
101:)
97:(
87:·
80:·
73:·
66:·
39:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
