Alert archive / Mississippi / Flash Flood Watches in 2017
Flash Flood Watch 8, NWS Memphis, TN
NWS Memphis, TN issued this flash flood watch at Jun 22, 2017, 1:47 PM CDT for Fayette County, Hardeman County, Shelby County, Tennessee; 11 counties in Mississippi; 5 counties in Arkansas. It took effect at Jun 22, 2017, 7:00 PM CDT. It was in force for 25 hr.
The area
The counties it named.
The facts
- Issued
- Jun 22, 2017, 1:47 PM CDT (18:47 UTC)
- In effect from
- Jun 22, 2017, 7:00 PM CDT
- Expired
- Jun 23, 2017, 8:08 PM CDT
- In force
- 25 hr
- Issued by
- NWS Memphis, TN
Counties Crittenden County, AR, Cross County, AR, Lee County, AR, Phillips County, AR, St. Francis County, AR, Benton County, MS, Coahoma County, MS, DeSoto County, MS, Lafayette County, MS, Marshall County, MS, Panola County, MS, Quitman County, MS, Tallahatchie County, MS, Tate County, MS, Tunica County, MS, Yalobusha County, MS, Fayette County, TN, Hardeman County, TN, Shelby County, TN
The radar
The Memphis radar (KNQA), 74 km from the middle of the area, began a volume at 18:50 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
Little Rock, AR (KBYH), launched 12:00Z, 6.8 hours before the alert went out and 17 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
- 163 J/kg
- Mixed-layer CIN
- -26 J/kg
- Mixed-layer LCL
- 546 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 105 m²/s²
- 0-3 km storm-relative helicity
- 110 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this flash flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Memphis, TN wrote its last area forecast discussion before this flash flood watch went out at Jun 22, 12:34 PM CDT, 1 hour 13 minutes earlier.
Area forecast discussion, Jun 22, 12:34 PM CDT, 1 hour 13 minutes before
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</html>Hazardous weather outlook, Jun 22, 3:05 AM CDT, 10 hours 42 minutes before
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</html>The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 22, 2:47 AM CDT | Flash Flood Watch | MEG | Benton, Carroll, Chester, Crockett, Decatur, Dyer and 15 more | 41 hr |
| Jun 22, 6:02 PM CDT | Special Weather Statement | MEG | Marshall | 28 min |
| Jun 22, 6:29 PM CDT | Tornado Warning | MEG | Marshall | 16 min |
Nearby
Flash Flood Watches in Mississippi, 2017Flash Flood Watches in Arkansas, 2017Flash Flood Watches in Tennessee, 2017Every flash flood watch in 2017
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.