Alert archive / Mississippi / Flash Flood Watches in 2014
Flash Flood Watch 12, NWS Memphis, TN
NWS Memphis, TN issued this flash flood watch at Dec 27, 2014, 3:59 AM CST for 8 counties in Mississippi. It took effect at Dec 27, 2014, 6:00 PM CST. It was in force for 10 hr.
The area
The counties it named.
The facts
- Issued
- Dec 27, 2014, 3:59 AM CST (09:59 UTC)
- In effect from
- Dec 27, 2014, 6:00 PM CST
- Expired
- Dec 28, 2014, 3:47 AM CST
- In force
- 10 hr
- Issued by
- NWS Memphis, TN
- Flood severity
- None
Counties Calhoun County, MS, Chickasaw County, MS, Itawamba County, MS, Lee County, MS, Monroe County, MS, Pontotoc County, MS, Prentiss County, MS, Tishomingo County, MS
The radar
The Columbus AFB radar (KGWX), 51 km from the middle of the area, began a volume at 10:00 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.
The nearest sounding before it
Jackson, MS (KJAN), launched 00:00Z, 10.0 hours before the alert went out and 249 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 915 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 74 m²/s²
- 0-3 km storm-relative helicity
- 147 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
Nearby
Flash Flood Watches in Mississippi, 2014Every flash flood watch in 2014
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.