| Products in the Last Seven Days |
| Type |
Phenomena |
Count |
| Warning | Severe Thunderstorm | 780 |
| Advisory | Areal Flood | 390 |
| Warning | Flash Flood | 271 |
| Advisory | Heat | 122 |
| Advisory | Small Craft | 84 |
| Warning | Fire Weather | 68 |
| Watch | Severe Thunderstorm | 51 |
| Advisory | Dense Fog | 31 |
| Warning | Tornado | 30 |
| Watch | Areal Flood | 19 |
| Advisory | Dust Storm | 18 |
| Watch | Fire Weather | 17 |
| Warning | Dust Storm | 14 |
| Warning | Gale | 8 |
| Watch | Gale | 7 |
| Warning | Hazardous Seas | 5 |
| Advisory | Blowing Dust | 5 |
| Advisory | Lake Wind | 3 |
| Watch | Flood | 2 |
| Advisory | Wind | 1 |
| Watch | Flash Flood | 1 |
| Most Active Forecast Offices |
| Forecast Office |
Products |
| Tucson, AZ | 138 |
| New York / Upton, NY | 64 |
| Mount Holly / Philadelphia, NJ | 63 |
| Phoenix, AZ | 57 |
| Albuquerque, NM | 51 |
| Chicago, IL | 50 |
| El Paso, TX | 46 |
| Norman, OK | 41 |
| Baltimore / Washington, VA | 40 |
| Wilmington, OH | 39 |
| Flagstaff, AZ | 36 |
| Springfield, MO | 34 |
| Jackson, KY | 33 |
| Northern Indiana, IN | 33 |
| Jacksonville, FL | 33 |
| Charleston, WV | 32 |
| Morristown / Knoxville, TN | 31 |
| Wakefield, VA | 31 |
| Raleigh, NC | 30 |
| Davenport / Quad Cities, IA | 29 |
| Product Count by Day |
| Date |
Warn |
Watch |
Advis. |
| 2026-08-10 | 32 |
0 | 14 |
| 2026-08-09 | 202 |
23 | 80 |
| 2026-08-08 | 149 |
12 | 62 |
| 2026-08-07 | 318 |
17 | 101 |
| 2026-08-06 | 179 |
13 | 126 |
| 2026-08-05 | 134 |
10 | 71 |
| 2026-08-04 | 56 |
8 | 79 |
| 2026-08-03 | 93 |
8 | 76 |
| 2026-08-02 | 18 |
7 | 24 |
| Particularly Dangerous Situations |
| Product |
Forecast Office |
| Tornado Warning 0077 | Davenport / Quad Cities, IA |
|
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Severe Thunderstorm Watch 0538
Issued by the Tucson Forecast Office
| Action |
Issued |
Starts |
Expiration |
| New |
2026-08-04 16:30:52 |
2026-08-04 16:30:00 |
2026-08-05 00:00:00 |
| Expired |
2026-08-04 23:53:06 |
|
2026-08-05 00:00:00 |
Action: New
Issued At: 2026-08-04 16:30:52
378
WWUS65 KTWC 042130
WCNTWC
WATCH COUNTY NOTIFICATION FOR WATCH 538
NATIONAL WEATHER SERVICE TUCSON AZ
230 PM MST TUE AUG 4 2026
AZC003-009-011-019-023-050500-
/O.NEW.KTWC.SV.A.0538.260804T2130Z-260805T0500Z/
THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH
538 IN EFFECT UNTIL 10 PM MST THIS EVENING FOR THE FOLLOWING
AREAS
IN ARIZONA THIS WATCH INCLUDES 5 COUNTIES
IN SOUTH CENTRAL ARIZONA
PIMA
IN SOUTHEAST ARIZONA
COCHISE GRAHAM GREENLEE
SANTA CRUZ
THIS INCLUDES THE CITIES OF CLIFTON, DOUGLAS, DUNCAN, MORENCI,
NOGALES, SAFFORD, SIERRA VISTA, THATCHER, AND TUCSON.
$$
Action: Expired
Issued At: 2026-08-04 23:53:06
937
WWUS65 KTWC 050452
WCNTWC
WATCH COUNTY NOTIFICATION FOR WATCH 538
NATIONAL WEATHER SERVICE TUCSON AZ
952 PM MST TUE AUG 4 2026
AZC003-009-011-019-023-050600-
/O.EXP.KTWC.SV.A.0538.000000T0000Z-260805T0500Z/
THE NATIONAL WEATHER SERVICE WILL ALLOW SEVERE THUNDERSTORM WATCH
538 TO EXPIRE AT 10 PM MST THIS EVENING FOR THE FOLLOWING AREAS
IN ARIZONA THIS ALLOWS TO EXPIRE 5 COUNTIES
IN SOUTH CENTRAL ARIZONA
PIMA
IN SOUTHEAST ARIZONA
COCHISE GRAHAM GREENLEE
SANTA CRUZ
THIS INCLUDES THE CITIES OF CLIFTON, DOUGLAS, DUNCAN, MORENCI,
NOGALES, SAFFORD, SIERRA VISTA, THATCHER, AND TUCSON.
$$
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