Weather alerts in Tennessee, 2009
2,232 weather alerts in 2009, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in 2009. Tap one for its archive.
- Alerts
- 2,232
- Warnings
- 1,430
- Watches
- 150
- Advisories
- 464
- Busiest month
- June454 alerts
- Busiest day
- April 10, 2009113 alerts
Over time
By month
The alerts
2,232 alerts are too many to list on one page. Narrow it to a product above, to a month in the chart, or to a county.
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Dyer County222
- Lauderdale County218
- Blount County214
- Monroe County204
- Shelby County204
- Sevier County199
- Haywood County194
- Obion County191
- Knox County188
- Decatur County188
- Gibson County186
- Fayette County185
- Tipton County185
- Davidson County184
- Hardeman County184
- Madison County184
- McMinn County182
- Crockett County182
- Carroll County181
- Lake County177
- Cocke County175
- Weakley County175
- Henderson County173
- Loudon County172
- Greene County171
- Roane County170
- Williamson County170
- Hardin County170
- Morgan County167
- Maury County167
- Robertson County166
- Montgomery County165
- Hamilton County164
- Anderson County163
- Campbell County161
- Chester County161
- Cheatham County161
- McNairy County160
- Wilson County159
- Sumner County157
55 more counties
- Scott County156
- Bedford County156
- Rutherford County155
- Lawrence County154
- Wayne County154
- Lincoln County153
- Henry County153
- Perry County152
- Bledsoe County151
- Polk County151
- Sequatchie County150
- Dickson County149
- Meigs County147
- Marshall County146
- Claiborne County145
- Overton County145
- Franklin County145
- Carter County144
- Bradley County144
- Jefferson County144
- Rhea County144
- Grainger County143
- Union County143
- Putnam County143
- Giles County140
- Hickman County139
- Fentress County138
- DeKalb County137
- Lewis County137
- Pickett County137
- Stewart County137
- Cannon County136
- Marion County135
- Macon County135
- Warren County134
- Coffee County133
- Smith County133
- Unicoi County132
- Johnson County130
- Grundy County130
- Clay County129
- White County129
- Jackson County128
- Trousdale County128
- Sullivan County125
- Cumberland County125
- Humphreys County125
- Hamblen County124
- Moore County124
- Benton County124
- Hancock County122
- Houston County121
- Hawkins County120
- Van Buren County120
- Washington County118
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20082010
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Rebuilt daily.