34:
259:
variant displayed an "L"-bar surrounding a resized box display of the current program, containing a map of all 77 Oklahoma counties and accompanying legend, along with the name of a specific county above it – the country referenced in the assigned warning/watch color on the map is shown blinking for
211:
First
Warning is commonly displayed on-air in the form of a map of an entire state or the specific counties representing a television station's viewing area (which may cover one or more states) with a list of the watches, warnings or advisories either displayed as a legend with colored text, in text
271:
elsewhere on-screen (though the latter purpose is somewhat defeated by the fact that closed captions occasionally appear at the top of the screen, while in turn, the map may obstruct visual aspects of the program in its positioned area of the screen). The on-screen display is usually removed before
196:(a name the station has since used for its doppler radar system, now known as "Advantage Doppler HD", and which the station currently uses as its weather branding), in which the weather information is updated by the computer itself, delivered by communication routes wired to media outlets from the
177:
as well as other hydrologic and non-hydrologic weather advisories to television viewers in a timely and convenient manner. The original version of this forecast product required manual input of weather alerts into the computer system by a meteorologist, with the specific advisory information, the
239:
attention signal that last between three and eight seconds. Although local offices of the
National Weather Service have issued warnings for tornadoes and severe thunderstorms based on the path of a storm since October 2007, most stations using the system display the affected jurisdictions on a
275:
Additional features were added to First
Warning and its variants during the 2000s, including functions allowing the map to toggle between displays of current weather alerts and live or looped radar imagery, including radar images by individual county, which are often accompanied by warning
144:
Both products are typically used by television stations that have an in-house news and weather operation, although some television stations that do not broadcast news at all or have their newscasts produced by another station in their market may use the system as well.
169:, Oklahoma (a city which historically has had the highest number of tornado strikes of any U.S. city since tornado records began to be logged in 1890), and went into use in the spring of 1991. The system was conceived to provide visual alerts for
288:
infrastructures to allow high definition broadcasts of non-network programs or the hardware for the First
Warning system to be compatible with HD broadcasts prior to the late 2000s and early 2010s, the high definition program feed would often be
235:(SPC) or a local National Weather Service Weather Forecast Office, a scroll with text moving right to left across the screen featuring information on the alert appears, usually accompanied by a three or six brief bursts of a
228:(green) and tornado warnings (red), the color codes for other warnings or advisories may vary depending on the station (in some cases, the color code for one watch/warning/advisory may match that of another).
297:
when the map/ticker graphic was displayed. Although many stations have upgraded to HD-compatible versions of First
Warning, the on-screen graphic map and/or scroll in some cases, may be displayed in
247:
This system's on-air design element is stylized depending on the television station using it (for example, until an upgrade of its system to allow widescreen overlays during broadcasts of
141:, is an automated version of this product, which has come into widespread use by television stations and is marketed under different names depending on the graphics service vendor.
272:
the broadcast of a severe weather cut-in or commercial break; the length of time it is displayed may also be truncated if no significant weather is imminent in the viewing area.
420:
204:
are also usually activated for the affected areas if present. and parses out additional text included in the alert product including the date and time of issuance,
358:
212:
beside a colored key or in text inside a colored line bar. Each watch, warning or advisory is assigned a color code and arranged in order of urgency (with
137:
warning system designed for broadcast television stations, typically those in the United States. A weather advisory product based on First
Warning, called
338:
134:
507:
267:
In some areas, the First
Warning map is displayed on the top left or right portion of the screen to avoid obstructing the rest of the program or
117:
216:
being given the highest priority of all alerts). However, while virtually all First
Warning systems may display the same color for
512:
294:
205:
55:
51:
98:
181:
70:
221:
77:
248:
44:
517:
435:
217:
462:
369:
323:
197:
84:
301:
if the system is not properly set to a 16:9 display, causing partial cropping of the graphic outside of the
232:
318:
302:
66:
261:
22:
290:
201:
365:
328:
208:
county codes and other text coding that precedes and follows the main body of the alert product.
260:
three seconds – and a ticker on the upper third of the screen; a live display of the station's
414:
268:
236:
298:
91:
213:
333:
285:
231:
When a watch, warning or advisory (severe or non-severe) is disseminated by either the
174:
170:
501:
225:
166:
189:
154:
33:
264:
system replaced the alert map when the alert ticker scrolled the second time).
395:
192:
competitor to KWTV, created an automated version of this product called
252:
241:
185:
162:
470:
439:
21:
For the novel by Anne McCaffrey and
Elizabeth Ann Scarborough, see
438:. National Oceanic and Atmospheric Administration. Archived from
16:
Name of a severe weather warning system for television stations
306:
158:
27:
178:
counties/parishes listed in the alert and the advisory type.
461:
NOAA Warning
Decision Training Branch (February 26, 2008).
434:
National Weather Service Twin Cities, MN (April 22, 2010).
251:
programming in March 2009, Oklahoma City NBC affiliate
394:
NWS Office of Climate, Water, and Weather Services.
284:As many television stations had not upgraded their
58:. Unsourced material may be challenged and removed.
240:per-county basis rather than delineating them by
400:Office of Climate, Water, and Weather Services
8:
419:: CS1 maint: multiple names: authors list (
339:Severe weather terminology (United States)
276:information specific to the jurisdiction.
118:Learn how and when to remove this message
350:
412:
153:First Warning was created in 1990 by
7:
56:adding citations to reliable sources
157:, then the chief meteorologist of
14:
32:
508:Weather warnings and advisories
436:"Severe Weather Awareness Week"
43:needs additional citations for
1:
396:"NWS Dissemination Services"
222:severe thunderstorm warnings
463:"Why Storm-Based Warnings?"
218:severe thunderstorm watches
534:
20:
324:National Weather Service
198:National Weather Service
233:Storm Prediction Center
513:Television terminology
319:Emergency Alert System
299:anamorphic widescreen
23:First Warning (novel)
467:Storm-Based Warnings
224:(yellow or orange),
52:improve this article
473:on January 24, 2010
295:standard definition
366:American Red Cross
329:NOAA Weather Radio
442:on April 26, 2010
359:"GARY A. ENGLAND"
309:television sets.
257:4WARN Storm Alert
133:is the name of a
128:
127:
120:
102:
525:
518:1990s neologisms
492:
489:
483:
482:
480:
478:
469:. Archived from
458:
452:
451:
449:
447:
431:
425:
424:
418:
410:
408:
406:
391:
385:
384:
382:
380:
375:on July 24, 2011
374:
368:. Archived from
363:
355:
280:Technical issues
214:tornado warnings
123:
116:
112:
109:
103:
101:
60:
36:
28:
533:
532:
528:
527:
526:
524:
523:
522:
498:
497:
496:
495:
490:
486:
476:
474:
460:
459:
455:
445:
443:
433:
432:
428:
411:
404:
402:
393:
392:
388:
378:
376:
372:
361:
357:
356:
352:
347:
315:
282:
269:closed captions
249:high definition
226:tornado watches
151:
124:
113:
107:
104:
67:"First Warning"
61:
59:
49:
37:
26:
17:
12:
11:
5:
531:
529:
521:
520:
515:
510:
500:
499:
494:
493:
484:
453:
426:
386:
349:
348:
346:
343:
342:
341:
336:
334:Severe weather
331:
326:
321:
314:
311:
286:master control
281:
278:
202:Tornado sirens
175:winter weather
150:
147:
135:severe weather
126:
125:
40:
38:
31:
15:
13:
10:
9:
6:
4:
3:
2:
530:
519:
516:
514:
511:
509:
506:
505:
503:
488:
485:
472:
468:
464:
457:
454:
441:
437:
430:
427:
422:
416:
401:
397:
390:
387:
371:
367:
360:
354:
351:
344:
340:
337:
335:
332:
330:
327:
325:
322:
320:
317:
316:
312:
310:
308:
304:
300:
296:
292:
291:downconverted
287:
279:
277:
273:
270:
265:
263:
262:Doppler radar
258:
254:
250:
245:
243:
238:
234:
229:
227:
223:
219:
215:
209:
207:
203:
199:
195:
191:
187:
183:
179:
176:
172:
168:
167:Oklahoma City
164:
160:
156:
148:
146:
142:
140:
136:
132:
131:First Warning
122:
119:
111:
100:
97:
93:
90:
86:
83:
79:
76:
72:
69: –
68:
64:
63:Find sources:
57:
53:
47:
46:
41:This article
39:
35:
30:
29:
24:
19:
487:
475:. Retrieved
471:the original
466:
456:
446:December 15,
444:. Retrieved
440:the original
429:
403:. Retrieved
399:
389:
377:. Retrieved
370:the original
353:
283:
274:
266:
256:
246:
230:
210:
193:
180:
155:Gary England
152:
143:
138:
130:
129:
114:
105:
95:
88:
81:
74:
62:
50:Please help
45:verification
42:
18:
477:January 11,
405:January 10,
194:First Alert
139:First Alert
502:Categories
345:References
184:affiliate
161:affiliate
78:newspapers
303:safe area
108:June 2011
415:cite web
379:March 4,
313:See also
242:polygons
220:(blue),
149:Overview
491:KFOR-TV
253:KFOR-TV
237:1050 Hz
186:KOCO-TV
92:scholar
190:market
171:severe
94:
87:
80:
73:
65:
373:(PDF)
362:(PDF)
99:JSTOR
85:books
479:2010
448:2010
421:link
407:2010
381:2010
206:SAME
188:, a
173:and
163:KWTV
71:news
307:4:3
305:on
293:to
255:'s
182:ABC
165:in
159:CBS
54:by
504::
465:.
417:}}
413:{{
398:.
364:.
244:.
200:.
481:.
450:.
423:)
409:.
383:.
121:)
115:(
110:)
106:(
96:·
89:·
82:·
75:·
48:.
25:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
