| Products in the Last Seven Days |
| Type |
Phenomena |
Count |
| Warning | Severe Thunderstorm | 1462 |
| Advisory | Areal Flood | 609 |
| Warning | Flash Flood | 471 |
| Advisory | Heat | 198 |
| Watch | Severe Thunderstorm | 118 |
| Warning | Tornado | 110 |
| Watch | Areal Flood | 67 |
| Advisory | Small Craft | 51 |
| Warning | Fire Weather | 40 |
| Advisory | Dense Fog | 27 |
| Watch | Flash Flood | 12 |
| Advisory | Dust Storm | 10 |
| Watch | Flood | 9 |
| Watch | Fire Weather | 9 |
| Warning | Dust Storm | 7 |
| Advisory | Lake Wind | 4 |
| Warning | Gale | 3 |
| Advisory | Flood | 2 |
| Watch | Gale | 2 |
| Advisory | Blowing Dust | 2 |
| Most Active Forecast Offices |
| Forecast Office |
Products |
| Indianapolis, IN | 137 |
| Wilmington, OH | 134 |
| Jackson, KY | 118 |
| Chicago, IL | 113 |
| Northern Indiana, IN | 112 |
| Denver / Boulder, CO | 106 |
| Phoenix, AZ | 104 |
| Charleston, WV | 100 |
| Las Vegas, NV | 98 |
| Tucson, AZ | 92 |
| Louisville, KY | 81 |
| Davenport / Quad Cities, IA | 73 |
| Morristown / Knoxville, TN | 71 |
| Lincoln, IL | 71 |
| Greenville-Spartanburg, SC | 68 |
| Baltimore / Washington, VA | 64 |
| Jacksonville, FL | 61 |
| Cheyenne, WY | 57 |
| North Platte, NE | 57 |
| Cleveland, OH | 56 |
| Product Count by Day |
| Date |
Warn |
Watch |
Advis. |
| 2026-08-16 | 21 |
2 | 21 |
| 2026-08-15 | 171 |
18 | 103 |
| 2026-08-14 | 235 |
23 | 138 |
| 2026-08-13 | 263 |
36 | 161 |
| 2026-08-12 | 354 |
37 | 124 |
| 2026-08-11 | 521 |
45 | 169 |
| 2026-08-10 | 375 |
41 | 98 |
| 2026-08-09 | 181 |
23 | 80 |
| 2026-08-08 | 2 |
3 | 7 |
| Particularly Dangerous Situations |
| Product |
Forecast Office |
| Flash Flood Warning 0045 | Indianapolis, IN |
| Flash Flood Warning 0047 | Indianapolis, IN |
| Flash Flood Warning 0055 | Jackson, KY |
| Flash Flood Warning 0066 | Wilmington, OH |
| Flash Flood Warning 0067 | Wilmington, OH |
| Tornado Warning 0077 | Davenport / Quad Cities, IA |
| Flash Flood Warning 0123 | Charleston, WV |
|
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Severe Thunderstorm Warning 0186
Issued by the Jacksonville Forecast Office
| Action |
Issued |
Starts |
Expiration |
| New |
2026-08-12 13:38:50 |
2026-08-12 13:38:00 |
2026-08-12 14:15:00 |
Action: New
Issued At: 2026-08-12 13:38:50
837
WUUS52 KJAX 121838
SVRJAX
FLC019-031-089-109-121915-
/O.NEW.KJAX.SV.W.0186.260812T1838Z-260812T1915Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Jacksonville FL
238 PM EDT Wed Aug 12 2026
The National Weather Service in Jacksonville has issued a
* Severe Thunderstorm Warning for...
Southwestern Nassau County in northeastern Florida...
St. Johns County in northeastern Florida...
Clay County in northeastern Florida...
Southern Duval County in northeastern Florida...
* Until 315 PM EDT.
* At 238 PM EDT, severe thunderstorms were located along a line
extending from near Bryceville to near Sawgrass, moving south at 20
mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Saint Augustine, Orange Park, Green Cove Springs, Mandarin, Fruit
Cove, Middleburg, World Golf Village, Saint Augustine Beach,
Marineland, and Ortega.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Large hail, damaging wind, and continuous cloud to ground lightning
are occurring with these storms. Move indoors immediately. Lightning
is one of natures leading killers. Remember, if you can hear
thunder, you are close enough to be struck by lightning.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 2982 8158 2984 8158 2984 8162 3001 8203
3046 8201 3009 8129 2966 8119
TIME...MOT...LOC 1838Z 345DEG 17KT 3031 8197 3016 8136
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
HESS
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