Alert archive / Tennessee / Severe Thunderstorm Watches in 2008
Severe Thunderstorm Watch 424
The Storm Prediction Center issued this severe thunderstorm watch at Jun 2, 2008, 4:01 PM CDT for 4 states. It was in force for 3 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 2, 2008, 4:01 PM CDT (21:01 UTC)
- Expired
- Jun 2, 2008, 6:53 PM CDT
- In force
- 3 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2.5 in
- Strongest gust expected
- 60 kt
All 47 counties
Clay County, AR, Craighead County, AR, Crittenden County, AR, Cross County, AR, Fulton County, AR, Greene County, AR, Independence County, AR, Izard County, AR, Jackson County, AR, Lawrence County, AR, Mississippi County, AR, Poinsett County, AR, Randolph County, AR, Sharp County, AR, Butler County, MO, Carter County, MO, Dunklin County, MO, New Madrid County, MO, Pemiscot County, MO, Ripley County, MO, Stoddard County, MO, Wayne County, MO, Alcorn County, MS, Benton County, MS, Marshall County, MS, Prentiss County, MS, Tippah County, MS, Tishomingo County, MS, Union County, MS, Carroll County, TN, Chester County, TN, Crockett County, TN, Decatur County, TN, Dyer County, TN, Fayette County, TN, Gibson County, TN, Hardeman County, TN, Hardin County, TN, Haywood County, TN, Henderson County, TN, Lake County, TN, Lauderdale County, TN, Madison County, TN, McNairy County, TN, Obion County, TN, Shelby County, TN, Tipton County, TN
The radar
The Memphis radar (KNQA), 80 km from the middle of the area, began a volume at 21:05 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 20%
- One or more EF2 to EF5 tornadoes
- 5%
- Ten or more severe wind reports
- 40%
- One or more gusts of 65 knots or more
- 30%
- Ten or more severe hail reports
- 50%
- One or more hailstones of 2 inches or more
- 20%
- Six or more combined severe hail and wind reports
- 80%
Warnings issued inside it
2 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 2, 4:37 PM CDT | Severe Thunderstorm Warning | MEG | Carroll | 19 min |
| Jun 2, 5:05 PM CDT | Severe Thunderstorm Warning | PAH | Carter, Ripley | 40 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 9.0 hours before the alert went out and 323 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 1175 J/kg
- Mixed-layer CIN
- -67 J/kg
- Mixed-layer LCL
- 792 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 42 m²/s²
- 0-3 km storm-relative helicity
- 89 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 3.4
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 2, 2:40 PM CDT | Mesoscale Discussion | SPC | Clay, Greene, Mississippi | 65 min |
| Jun 2, 5:02 PM CDT | Mesoscale Discussion | SPC | Clay, Craighead, Crittenden, Cross, Fulton, Greene and 8 more | 88 min |
| Jun 2, 6:47 PM CDT | Mesoscale Discussion | SPC | Clay, Craighead, Crittenden, Cross, Greene, Jackson and 5 more | 58 min |
| Jun 2, 7:22 AM CDT | Mesoscale Discussion | SPC | Andrew, Buchanan, Clinton, Holt, Platte | 53 min |
| Jun 2, 7:49 AM CDT | Severe Thunderstorm Watch | SPC | Andrew, Bates, Buchanan, Cass, Clay, Clinton and 5 more | 6 hr |
| Jun 2, 10:57 AM CDT | Tornado Watch | SPC | Barton, Benton, Camden, Cedar, Dade, Dallas and 6 more | 7 hr |
| Jun 2, 1:04 PM CDT | Mesoscale Discussion | SPC | Bates, St. Clair, Vernon | 56 min |
| Jun 2, 2:14 PM CDT | Tornado Watch | SPC | Christian, Dent, Douglas, Greene, Howell, Oregon and 7 more | 4 hr |
Nearby
Severe Thunderstorm Watches in Tennessee, 2008Severe Thunderstorm Watches in Arkansas, 2008Severe Thunderstorm Watches in Missouri, 2008Every severe thunderstorm watch in 2008
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.