Alert archive / Tennessee / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 242, NWS Memphis, TN

July 5, 20174 counties in Tennessee

NWS Memphis, TN issued this severe thunderstorm warning at Jul 5, 2017, 11:08 AM CDT for 4 counties in Tennessee. It was in force for 52 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 5, 2017, 11:08 AM CDT (16:08 UTC)
Expired
Jul 5, 2017, 12:00 PM CDT
In force
52 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Crockett County, TN, Dyer County, TN, Haywood County, TN, Lauderdale County, TN

The radar

The Memphis radar (KNQA), 69 km from the middle of the area, began a volume at 16:11 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, 4.1 hours before the alert went out and 252 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, Nashville Metro, TN at 12:00Z on 2017-07-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 946 joules per kilogram.LCLLFCEL10008507005003002001001 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, Nashville Metro, TN at 12:00Z on 2017-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 69 square meters per square second.1939Sfc1 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
946 J/kg
Mixed-layer CIN
-28 J/kg
Mixed-layer LCL
792 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
69 m²/s²
0-3 km storm-relative helicity
86 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 severe thunderstorm warning 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 severe thunderstorm warning went out at Jul 5, 10:41 AM CDT, 27 minutes earlier.

Area forecast discussion, Jul 5, 10:41 AM CDT, 27 minutes before
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Hazardous weather outlook, Jul 5, 4:19 AM CDT, 6 hours 49 minutes before
Hazardous Weather Outlook
National Weather Service Memphis TN
419 AM CDT Wed Jul 5 2017

ARZ008-009-017-018-026>028-035-036-048-049-058-MOZ113-115-
MSZ001>017-020>024-TNZ001>004-019>022-048>055-088>092-061200-
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-
419 AM CDT Wed Jul 5 2017

This hazardous weather outlook is for portions of East Arkansas...
the Missouri Bootheel...North Mississippi...and West Tennessee.

.DAY ONE...Today and Tonight

A few strong thunderstorms to perhaps an isolated severe
thunderstorm is possible across the Mid-South today into this
evening. Damaging winds is the primary threat if any
thunderstorms can reach severe limits. Heavy rainfall is also
possible.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated at this time.

In the hours before

Special weather statement, Jul 5, 8:03 AM CDT, 3 hours 5 minutes before
Special Weather Statement
National Weather Service Memphis TN
803 AM CDT WED JUL 5 2017

ARZ027-035-048-051345-
Poinsett AR-St. Francis AR-Cross AR-
803 AM CDT WED JUL 5 2017

...A SIGNIFICANT WEATHER ADVISORY HAS BEEN ISSUED UNTIL 845 AM CDT
FOR...

Western Poinsett County in eastern Arkansas...
Western St. Francis County in eastern Arkansas...
Western Cross County in eastern Arkansas...

At 803 AM CDT...a strong thunderstorm producing pea size hail or
larger and winds at least 40 mph was located near Hunter, or 14 miles
southeast of Augusta, moving east at 40 mph.

Very heavy rain along with continuous cloud to ground lightning are
also possible with this thunderstorm.

People in western Poinsett...western St. Francis and western Cross
Counties should monitor this storm closely.

LAT...LON 3500 9115 3500 9105 3502 9104 3570 9104
      3570 9061 3491 9084 3491 9115
TIME...MOT...LOC 1303Z 250DEG 36KT 3513 9120
Special weather statement, Jul 5, 8:42 AM CDT, 2 hours 26 minutes before
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Special weather statement, Jul 5, 9:10 AM CDT, 1 hour 58 minutes before
Special Weather Statement
National Weather Service Memphis TN
910 AM CDT WED JUL 5 2017

ARZ026-027-051445-
Poinsett AR-Craighead AR-
910 AM CDT WED JUL 5 2017

...A SIGNIFICANT WEATHER ADVISORY HAS BEEN ISSUED UNTIL 945 AM CDT
FOR...

Eastern Poinsett County in eastern Arkansas...
Eastern Craighead County in eastern Arkansas...

At 910 AM CDT...a strong thunderstorm producing pea size hail or
larger and winds at least 40 mph was located near Trumann, moving
northeast at 35 mph.

Very heavy rain along with continuous cloud to ground lightning are
also possible with this thunderstorm.

People in eastern Poinsett and eastern Craighead Counties should
monitor this storm closely.

LAT...LON 3545 9073 3597 9061 3597 9039 3598 9038
      3599 9029 3544 9029
TIME...MOT...LOC 1410Z 224DEG 32KT 3562 9056
Special weather statement, Jul 5, 10:21 AM CDT, 47 minutes before
Special Weather Statement
National Weather Service Memphis TN
1021 AM CDT WED JUL 5 2017

TNZ049-088-051600-
Tipton TN-Shelby TN-
1021 AM CDT WED JUL 5 2017

...A SIGNIFICANT WEATHER ADVISORY HAS BEEN ISSUED UNTIL 1100 AM CDT
FOR...

Tipton County in western Tennessee...
Northeastern Shelby County in western Tennessee...

At 1021 AM CDT...a strong thunderstorm producing pea size hail or
larger and winds at least 40 mph was located near Meeman Shelby
Forest State Park, moving northeast at 35 mph.

Very heavy rain along with continuous cloud to ground lightning are
also possible with this thunderstorm.

People in Tipton and northeastern Shelby Counties should monitor this
storm closely.

LAT...LON 3565 8962 3556 8948 3554 8947 3533 8976
      3532 9011 3538 9007 3539 9009 3542 9007
      3539 9005 3540 9004 3542 9005 3544 9003
      3548 9003 3555 8997 3552 8996 3551 8992
      3558 8988 3560 8983 3564 8979 3563 8966
TIME...MOT...LOC 1521Z 233DEG 29KT 3537 8998
Special weather statement, Jul 5, 10:38 AM CDT, 30 minutes before
Special Weather Statement
National Weather Service Memphis TN
1038 AM CDT WED JUL 5 2017

MOZ113-115-TNZ001-002-019-051630-
Pemiscot MO-Dunklin MO-Lake TN-Obion TN-Dyer TN-
1038 AM CDT WED JUL 5 2017

...A SIGNIFICANT WEATHER ADVISORY HAS BEEN ISSUED UNTIL 1130 AM CDT
FOR...

Pemiscot County in southeastern Missouri...
Northeastern Dunklin County in southeastern Missouri...
Lake County in western Tennessee...
Western Obion County in western Tennessee...
Northwestern Dyer County in western Tennessee...

At 1038 AM CDT...a strong thunderstorm producing pea size hail or
larger and winds at least 40 mph was located near Clarkton, or near
Campbell, moving northeast at 40 mph.

Very heavy rain along with continuous cloud to ground lightning are
also possible with this thunderstorm.

People in Pemiscot...northeastern Dunklin...Lake...western Obion and
northwestern Dyer Counties should monitor this storm closely.

LAT...LON 3663 8996 3639 8997 3639 8975 3643 8973
      3640 8967 3640 8959 3634 8954 3637 8951
      3650 8954 3650 8949 3646 8946 3650 8942
      3650 8934 3607 8930 3600 8981 3635 9007
      3638 9006 3654 9021 3661 9017 3663 9015
TIME...MOT...LOC 1538Z 233DEG 35KT 3646 9003
Special weather statement, Jul 5, 10:48 AM CDT, 20 minutes before
Special Weather Statement
National Weather Service Memphis TN
1048 AM CDT WED JUL 5 2017

TNZ048>051-051630-
Tipton TN-Crockett TN-Lauderdale TN-Haywood TN-
1048 AM CDT WED JUL 5 2017

...A SIGNIFICANT WEATHER ADVISORY HAS BEEN ISSUED UNTIL 1130 AM CDT
FOR...

Northeastern Tipton County in western Tennessee...
Crockett County in western Tennessee...
Eastern Lauderdale County in western Tennessee...
Central Haywood County in western Tennessee...

At 1048 AM CDT...a strong thunderstorm producing ${allThreat}near
Covington, moving northeast at 45 mph.

Very heavy rain along with continuous cloud to ground lightning are
also possible with this thunderstorm.

People in northeastern Tipton...Crockett...eastern Lauderdale and
central Haywood Counties should monitor this storm closely.

LAT...LON 3590 8935 3588 8934 3589 8928 3581 8894
      3544 8941 3553 8976 3593 8947
TIME...MOT...LOC 1548Z 227DEG 39KT 3557 8955

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 4, 7:08 PM CDTSpecial Weather StatementMEGFayette, Shelby52 min
Jul 4, 7:37 PM CDTSpecial Weather StatementMEGChester38 min
Jul 5, 4:53 AM CDTSpecial Weather StatementMEGMadison37 min
Jul 5, 5:09 AM CDTSevere Thunderstorm WarningMEGCrockett, Haywood, Madison28 min
Jul 5, 5:39 AM CDTSpecial Weather StatementMEGCarroll36 min
Jul 5, 10:21 AM CDTSpecial Weather StatementMEGTipton39 min
Jul 5, 10:38 AM CDTSpecial Weather StatementMEGLake52 min
Jul 5, 10:48 AM CDTSpecial Weather StatementMEGCrockett, Haywood42 min
Jul 5, 11:13 AM CDTSpecial Weather StatementMEGObion47 min
Jul 5, 11:34 AM CDTSpecial Weather StatementMEGGibson41 min
Jul 5, 11:54 AM CDTSpecial Weather StatementMEGWeakley51 min
Jul 5, 11:57 AM CDTSpecial Weather StatementMEGBenton, Carroll, Henry63 min
Jul 5, 3:43 PM CDTSevere Thunderstorm WarningMEGCarroll, Gibson32 min
Jul 4, 7:24 PM CDTSpecial Weather StatementMEGDeSoto, Tate, Tunica51 min
Jul 4, 8:10 PM CDTSpecial Weather StatementMEGTate50 min
Jul 5, 8:03 AM CDTSpecial Weather StatementMEGCross, Poinsett42 min
Jul 5, 8:42 AM CDTSpecial Weather StatementMEGCross, Poinsett48 min
Jul 5, 9:10 AM CDTSpecial Weather StatementMEGCraighead, Poinsett35 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 2017Every severe thunderstorm warning 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.