Alert archive / Arkansas / Tornado Watches in 2019
Tornado Watch 121
The Storm Prediction Center issued this tornado watch at May 2, 2019, 2:13 PM CDT for 14 counties in Arkansas. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- May 2, 2019, 2:13 PM CDT (19:13 UTC)
- Expired
- May 2, 2019, 7:00 PM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1.5 in
- Strongest gust expected
- 60 kt
Counties Clay County, AR, Cleburne County, AR, Craighead County, AR, Cross County, AR, Greene County, AR, Independence County, AR, Jackson County, AR, Lawrence County, AR, Poinsett County, AR, Prairie County, AR, Randolph County, AR, Sharp County, AR, White County, AR, Woodruff County, AR
The radar
The Memphis radar (KNQA), 127 km from the middle of the area, began a volume at 19:14 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
- 40%
- One or more EF2 to EF5 tornadoes
- 10%
- Ten or more severe wind reports
- 40%
- One or more gusts of 65 knots or more
- 20%
- Ten or more severe hail reports
- 40%
- One or more hailstones of 2 inches or more
- 20%
- Six or more combined severe hail and wind reports
- 70%
Warnings issued inside it
7 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 2, 2:36 PM CDT | Tornado Warning | LZK | Jackson, Lawrence | 39 min |
| May 2, 2:43 PM CDT | Flash Flood Warning | LZK | Jackson, Prairie, White, Woodruff | 3 hr |
| May 2, 3:32 PM CDT | Tornado Warning | LZK | Jackson | 43 min |
| May 2, 3:40 PM CDT | Flash Flood Warning | LZK | Independence, Jackson, Woodruff | 3 hr |
| May 2, 4:06 PM CDT | Tornado Warning | LZK | Jackson | 24 min |
| May 2, 4:11 PM CDT | Tornado Warning | MEG | Clay, Greene | 34 min |
| May 2, 5:54 PM CDT | Tornado Warning | MEG | Clay, Greene | 36 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 12:00Z, 7.2 hours before the alert went out and 149 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
- 18 J/kg
- Mixed-layer CIN
- -199 J/kg
- Mixed-layer LCL
- 888 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 24 m²/s²
- 0-3 km storm-relative helicity
- 10 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 1, 8:11 PM CDT | Mesoscale Discussion | SPC | Clark, Columbia, Hempstead, Howard, Lafayette, Little River and 8 more | 2 hr |
| May 1, 9:40 PM CDT | Severe Thunderstorm Watch | SPC | Columbia, Hempstead, Howard, Lafayette, Little River, Miller and 3 more | 7 hr |
| May 1, 11:37 PM CDT | Mesoscale Discussion | SPC | Clark, Columbia, Garland, Hempstead, Hot Spring, Howard and 11 more | 113 min |
| May 2, 1:47 PM CDT | Mesoscale Discussion | SPC | Clay, Craighead, Cross, Faulkner, Greene, Independence and 8 more | 118 min |
| May 2, 4:36 PM CDT | Mesoscale Discussion | SPC | Clay, Mississippi | 54 min |
| May 2, 4:49 PM CDT | Tornado Watch | SPC | Mississippi | 5 hr |
| May 2, 6:37 PM CDT | Mesoscale Discussion | SPC | Mississippi | 83 min |
Nearby
Tornado Watches in Arkansas, 2019Every tornado watch in 2019
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.