Alert archive / Tennessee / Flash Flood Watches in 2016

Flash Flood Watch 1, NWS Memphis, TN

March 9, 201615 counties in Tennessee; 9 counties in Mississippi; 12 counties in Arkansas

NWS Memphis, TN issued this flash flood watch at Mar 9, 2016, 3:53 AM CST for 15 counties in Tennessee; 9 counties in Mississippi; 12 counties in Arkansas. It took effect at Mar 9, 2016, 6:00 AM CST. It was in force for 22 hr.

The area

The counties it named.

The facts

Issued
Mar 9, 2016, 3:53 AM CST (09:53 UTC)
In effect from
Mar 9, 2016, 6:00 AM CST
Expired
Mar 10, 2016, 3:40 AM CST
In force
22 hr
Issued by
NWS Memphis, TN
Flood severity
None
All 36 counties

Clay County, AR, Craighead County, AR, Crittenden County, AR, Cross County, AR, Greene County, AR, Lawrence County, AR, Lee County, AR, Mississippi County, AR, Phillips County, AR, Poinsett County, AR, Randolph County, AR, St. Francis County, AR, Benton County, MS, Coahoma County, MS, DeSoto County, MS, Marshall County, MS, Panola County, MS, Quitman County, MS, Tallahatchie County, MS, Tate County, MS, Tunica County, MS, Carroll County, TN, Crockett County, TN, Dyer County, TN, Fayette County, TN, Gibson County, TN, Hardeman County, TN, Haywood County, TN, Henry County, TN, Lake County, TN, Lauderdale County, TN, Madison County, TN, Obion County, TN, Shelby County, TN, Tipton County, TN, Weakley County, TN

The radar

The Memphis radar (KNQA), 7 km from the middle of the area, began a volume at 09:54 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, 9.9 hours before the alert went out and 343 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.

Skew-T log-pSkew-T log-p diagram, Jackson, MS at 00:00Z on 2016-03-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jackson, MS at 00:00Z on 2016-03-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 85 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1163 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
85 m²/s²
0-3 km storm-relative helicity
179 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

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 Mar 9, 3:39 AM CST, 14 minutes earlier.

Area forecast discussion, Mar 9, 3:39 AM CST, 14 minutes before
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Hazardous weather outlook, Mar 8, 4:22 AM CST, 23 hours 31 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MEMPHIS TN
422 AM CST TUE MAR 8 2016

ARZ008-009-017-018-026>028-035-036-048-049-058-MOZ113-115-
MSZ001>017-020>024-TNZ001>004-019>022-048>055-088>092-091230-
ALCORN-BENTON MS-BENTON TN-CALHOUN-CARROLL-CHESTER-CHICKASAW-CLAY-
COAHOMA-CRAIGHEAD-CRITTENDEN-CROCKETT-CROSS-DESOTO-DECATUR-
DUNKLIN-DYER-FAYETTE-GIBSON-GREENE-HARDEMAN-HARDIN-HAYWOOD-
HENDERSON-HENRY-ITAWAMBA-LAFAYETTE-LAKE-LAUDERDALE-LAWRENCE-
LEE AR-LEE MS-MADISON-MARSHALL-MCNAIRY-MISSISSIPPI-MONROE-OBION-
PANOLA-PEMISCOT-PHILLIPS-POINSETT-PONTOTOC-PRENTISS-QUITMAN-
RANDOLPH-SHELBY-ST. FRANCIS-TALLAHATCHIE-TATE-TIPPAH-TIPTON-
TISHOMINGO-TUNICA-UNION-WEAKLEY-YALOBUSHA-
422 AM CST TUE MAR 8 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST ARKANSAS...
THE MISSOURI BOOTHEEL...NORTH MISSISSIPPI...AND WEST TENNESSEE.

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

PERIODS OF HEAVY RAIN ARE LIKELY FROM WEDNESDAY THROUGH THURSDAY
EVENING ACROSS EAST ARKANSAS AND PORTIONS OF THE MISSOURI
BOOTHEEL. THIS MAY LEAD TO ELEVATED RISK OF FLOODING ALONG THE
BLACK RIVER...CACHE RIVER...ST. FRANCIS RIVER BASIN AS WELL AS THE
WHITE RIVER IN PHILLIPS COUNTY. PEOPLE LIVING ALONG THESE RIVERS
NEED TO STAY TUNED TO THE LATEST RIVER FORECASTS AND POTENTIAL
FLOOD WARNINGS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUESTED DURING THE MID TO LATE PORTION
OF THIS WEEK.

KRM

The office that day

Everything else NWS Memphis, TN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 9, 11:36 AM CSTRiver Flood WarningMEGDyer11 days
Mar 9, 11:36 AM CSTRiver Flood WarningMEGCrockett, Dyer, Lauderdale13 days
Mar 9, 11:36 AM CSTRiver Flood WarningMEGFayette, Shelby67 hr
Mar 9, 2:06 PM CSTFlash Flood WarningMEGDyer, Lauderdale3 hr
Mar 9, 4:45 PM CSTFlash Flood WarningMEGLauderdale, Shelby, Tipton7 hr
Mar 9, 4:53 PM CSTFlash Flood WarningMEGDyer, Lake, Obion7 hr
Mar 9, 11:36 AM CSTRiver Flood WarningMEGTate, Tunica6 days
Mar 9, 11:36 AM CSTRiver Flood WarningMEGTallahatchie12 days
Mar 9, 3:38 AM CSTRiver Flood WarningMEGCraighead4 days
Mar 9, 3:38 AM CSTRiver Flood WarningMEGMississippi, Poinsett3 days
Mar 9, 3:38 AM CSTRiver Flood WarningMEGLee, St. Francis10 days
Mar 9, 11:36 AM CSTRiver Flood WarningMEGSt. Francis70 hr
Mar 9, 12:12 PM CSTFlash Flood WarningMEGCrittenden, Cross, Lee, Phillips, St. Francis11 hr

Nearby

Flash Flood Watches in Tennessee, 2016Flash Flood Watches in Arkansas, 2016Flash Flood Watches in Mississippi, 2016Every flash flood watch in 2016

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.