Alert archive / Tennessee / Flash Flood Watches in 2019

Flash Flood Watch 5, NWS Memphis, TN

June 7, 201916 counties in Mississippi; 21 counties in Tennessee; 9 counties in Arkansas

NWS Memphis, TN issued this flash flood watch at Jun 7, 2019, 12:05 PM CDT for 16 counties in Mississippi; 21 counties in Tennessee; 9 counties in Arkansas. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued: Jun 7, 2019, 12:05 PM CDT (17:05 UTC)
Expired: Jun 8, 2019, 3:14 AM CDT
In force: 15 hr
Issued by: NWS Memphis, TN
Flood severity: None

All 46 counties

Clay County, AR, Craighead County, AR, Crittenden County, AR, Cross County, AR, Greene County, AR, Lee County, AR, Mississippi County, AR, Poinsett County, AR, St. Francis County, AR, Alcorn County, MS, Benton County, MS, Chickasaw County, MS, DeSoto County, MS, Itawamba County, MS, Lafayette County, MS, Lee County, MS, Marshall County, MS, Monroe County, MS, Pontotoc County, MS, Prentiss County, MS, Tate County, MS, Tippah County, MS, Tishomingo County, MS, Tunica County, MS, Union County, MS, Benton County, TN, Carroll County, TN, Chester County, TN, Crockett County, TN, Decatur County, TN, Dyer County, TN, Fayette County, TN, Gibson County, TN, Hardeman County, TN, Hardin County, TN, Haywood County, TN, Henderson County, TN, Henry County, TN, Lake County, TN, Lauderdale County, TN, Madison County, TN, McNairy County, TN, Obion County, TN, Shelby County, TN, Tipton County, TN, Weakley County, TN

The radar

The Memphis radar (KNQA), 53 km from the middle of the area, began a volume at 17:08 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

Nashville Metro, TN (KBNA), launched 12:00Z, 5.1 hours before the alert went out and 261 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 51 J/kg
Mixed-layer CIN: -348 J/kg
Mixed-layer LCL: 496 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 19 m²/s²
0-3 km storm-relative helicity: 94 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 Jun 7, 9:19 AM CDT, 2 hours 46 minutes earlier.

Area forecast discussion, Jun 7, 9:19 AM CDT, 2 hours 46 minutes before

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Hazardous weather outlook, Jun 7, 10:58 AM CDT, 1 hour 7 minutes before

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In the hours before

Local storm report, Jun 7, 8:44 AM CDT, 3 hours 21 minutes before

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Local storm report, Jun 7, 9:02 AM CDT, 3 hours 3 minutes before

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Local storm report, Jun 7, 10:33 AM CDT, 1 hour 32 minutes before

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Local storm report, Jun 7, 11:34 AM CDT, 31 minutes before

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Local storm report, Jun 7, 11:38 AM CDT, 27 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 7, 2:15 AM CDT	Areal Flood Advisory	MEG	DeSoto, Marshall, Tate	4 hr
Jun 7, 3:58 AM CDT	Areal Flood Warning	MEG	DeSoto, Marshall	3 hr
Jun 7, 11:53 AM CDT	River Flood Advisory	MEG	Coahoma, Tunica	17 days
Jun 7, 3:19 AM CDT	Flash Flood Warning	MEG	Shelby	3 hr
Jun 7, 5:04 AM CDT	River Flood Warning	MEG	Shelby	6 hr
Jun 7, 10:43 AM CDT	Areal Flood Advisory	MEG	Tipton	3 hr
Jun 7, 4:26 PM CDT	Areal Flood Advisory	MEG	Tipton	3 hr
Jun 7, 2:42 AM CDT	Areal Flood Advisory	MEG	Cross, Poinsett	4 hr
Jun 7, 11:32 AM CDT	Areal Flood Advisory	MEG	Clay, Greene	3 hr

Nearby

Flash Flood Watches in Tennessee, 2019 Flash Flood Watches in Mississippi, 2019 Flash Flood Watches in Arkansas, 2019 Every flash flood 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.