Alert archive / Missouri / Severe Thunderstorm Watches in 2015
Severe Thunderstorm Watch 7
The Storm Prediction Center issued this severe thunderstorm watch at Mar 25, 2015, 7:02 PM CDT for 5 states. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 25, 2015, 7:02 PM CDT (00:02 UTC)
- Expired
- Mar 26, 2015, 2:00 AM CDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1.5 in
- Strongest gust expected
- 60 kt
All 55 counties
Clay County, AR, Craighead County, AR, Greene County, AR, Lawrence County, AR, Mississippi County, AR, Randolph County, AR, Alexander County, IL, Gallatin County, IL, Hardin County, IL, Jackson County, IL, Johnson County, IL, Massac County, IL, Pope County, IL, Pulaski County, IL, Saline County, IL, Union County, IL, Williamson County, IL, Ballard County, KY, Caldwell County, KY, Calloway County, KY, Carlisle County, KY, Crittenden County, KY, Fulton County, KY, Graves County, KY, Hickman County, KY, Livingston County, KY, Lyon County, KY, Marshall County, KY, McCracken County, KY, Trigg County, KY, Union County, KY, Bollinger County, MO, Butler County, MO, Cape Girardeau County, MO, Carter County, MO, Dunklin County, MO, Iron County, MO, Madison County, MO, Mississippi County, MO, New Madrid County, MO, Pemiscot County, MO, Perry County, MO, Reynolds County, MO, Ripley County, MO, Scott County, MO, Stoddard County, MO, Wayne County, MO, Benton County, TN, Carroll County, TN, Dyer County, TN, Gibson County, TN, Henry County, TN, Lake County, TN, Obion County, TN, Weakley County, TN
The radar
The Paducah radar (KPAH), 92 km from the middle of the area, began a volume at 00:05 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
- 10%
- One or more EF2 to EF5 tornadoes
- 10%
- Ten or more severe wind reports
- 30%
- One or more gusts of 65 knots or more
- 10%
- Ten or more severe hail reports
- 30%
- One or more hailstones of 2 inches or more
- 10%
- Six or more combined severe hail and wind reports
- 70%
Warnings issued inside it
16 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 25, 7:25 PM CDT | Severe Thunderstorm Warning | LSX | Reynolds | 50 min |
| Mar 25, 7:38 PM CDT | Severe Thunderstorm Warning | PAH | Jackson, Union, Williamson | 52 min |
| Mar 25, 8:06 PM CDT | Severe Thunderstorm Warning | LSX | Iron | 24 min |
| Mar 25, 8:09 PM CDT | Severe Thunderstorm Warning | PAH | Butler, Carter, Wayne | 51 min |
| Mar 25, 8:28 PM CDT | Severe Thunderstorm Warning | PAH | Hardin, Johnson, Pope, Saline | 32 min |
| Mar 25, 8:43 PM CDT | Severe Thunderstorm Warning | PAH | Bollinger, Wayne | 47 min |
| Mar 25, 8:57 PM CDT | Severe Thunderstorm Warning | MEG | Randolph | 63 min |
| Mar 25, 9:04 PM CDT | Severe Thunderstorm Warning | PAH | Gallatin, Hardin, Pope, Saline | 26 min |
| Mar 25, 9:13 PM CDT | Tornado Warning | PAH | Bollinger | 17 min |
| Mar 25, 9:19 PM CDT | Severe Thunderstorm Warning | PAH | Ripley | 41 min |
| Mar 25, 9:24 PM CDT | Severe Thunderstorm Warning | PAH | Cape Girardeau, Scott | 51 min |
| Mar 25, 9:30 PM CDT | Flash Flood Warning | PAH | Bollinger, Wayne | 6 hr |
| Mar 25, 9:53 PM CDT | Severe Thunderstorm Warning | PAH | Alexander, Pulaski, Union | 37 min |
| Mar 25, 10:42 PM CDT | Severe Thunderstorm Warning | PAH | Stoddard | 21 min |
| Mar 25, 10:52 PM CDT | Flash Flood Warning | PAH | Cape Girardeau | 6 hr |
| Mar 26, 1:53 AM CDT | Severe Thunderstorm Warning | PAH | Fulton | 22 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
Little Rock, AR (KBYH), launched 00:00Z, 0.0 hours before the alert went out and 250 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
- 264 J/kg
- Mixed-layer CIN
- -213 J/kg
- Mixed-layer LCL
- 1469 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 165 m²/s²
- 0-3 km storm-relative helicity
- 315 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.7
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 25, 7:54 PM CDT | Mesoscale Discussion | SPC | Baxter, Benton, Boone, Carroll, Cleburne, Conway and 19 more | 66 min |
| Mar 25, 9:21 PM CDT | Severe Thunderstorm Watch | SPC | Baxter, Boone, Cleburne, Conway, Crawford, Faulkner and 33 more | 8 hr |
| Mar 25, 9:23 PM CDT | Mesoscale Discussion | SPC | Clay, Greene | 97 min |
| Mar 25, 11:39 PM CDT | Mesoscale Discussion | SPC | Cleburne, Conway, Faulkner, Franklin, Garland, Independence and 17 more | 96 min |
| Mar 26, 1:35 AM CDT | Mesoscale Discussion | SPC | Clay, Craighead, Greene | 25 min |
| Mar 26, 2:17 AM CDT | Mesoscale Discussion | SPC | Clark, Garland, Grant, Hempstead, Hot Spring, Howard and 8 more | 58 min |
Nearby
Severe Thunderstorm Watches in Missouri, 2015Severe Thunderstorm Watches in Kentucky, 2015Severe Thunderstorm Watches in Illinois, 2015Every severe thunderstorm watch in 2015
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.