Alert archive / Mississippi / Special Weather Statements in 2017

Special Weather Statement, NWS Memphis, TN

March 30, 2017Hardeman County, Hardin County, McNairy County, Tennessee; 14 counties in Mississippi

NWS Memphis, TN issued this special weather statement at Mar 30, 2017, 4:14 AM CDT for Hardeman County, Hardin County, McNairy County, Tennessee; 14 counties in Mississippi. It was in force for 91 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Mar 30, 2017, 4:14 AM CDT (09:14 UTC)
Expired: Mar 30, 2017, 5:45 AM CDT
In force: 91 min
Issued by: NWS Memphis, TN

Counties Alcorn County, MS, Benton County, MS, Calhoun County, MS, Chickasaw County, MS, Itawamba County, MS, Lafayette County, MS, Lee County, MS, Monroe County, MS, Pontotoc County, MS, Prentiss County, MS, Tippah County, MS, Tishomingo County, MS, Union County, MS, Yalobusha County, MS, Hardeman County, TN, Hardin County, TN, McNairy County, TN

The radar

The Columbus AFB radar (KGWX), 46 km from the middle of the area, began a volume at 09:15 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, 9.2 hours before the alert went out and 241 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: 424 J/kg
Mixed-layer CIN: -103 J/kg
Mixed-layer LCL: 1676 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 30 m²/s²
0-3 km storm-relative helicity: 57 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Mar 30, 3:11 AM CDT, 1 hour 3 minutes earlier.

Area forecast discussion, Mar 30, 3:11 AM CDT, 1 hour 3 minutes before

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Hazardous weather outlook, Mar 30, 3:55 AM CDT, 19 minutes before

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In the hours before

Special weather statement, Mar 29, 11:22 PM CDT, 4 hours 52 minutes before

Special Weather Statement
National Weather Service Memphis TN
1122 PM CDT WED MAR 29 2017

ARZ008-017-300500-
Lawrence AR-Randolph AR-
1122 PM CDT WED MAR 29 2017

...A SIGNIFICANT WEATHER ADVISORY HAS BEEN ISSUED UNTIL MIDNIGHT CDT
FOR...

Northwestern Lawrence County in eastern Arkansas...
Western Randolph County in eastern Arkansas...

At 1122 PM CDT...a strong thunderstorm producing pea size hail or
larger and winds at least 40 mph was located near Highland in Sharp
County, or 8 miles southeast of Cherokee Village, moving northeast at
45 mph.

${report2}

People in northwestern Lawrence and western Randolph Counties should
monitor this storm closely.

LAT...LON 3650 9091 3614 9110 3615 9135 3623 9135
      3623 9133 3624 9133 3624 9126 3633 9126
      3633 9128 3637 9128 3637 9129 3639 9129
      3639 9131 3642 9131 3642 9135 3647 9136
      3648 9140 3649 9141 3650 9141
TIME...MOT...LOC 0422Z 229DEG 38KT 3621 9143

Special weather statement, Mar 29, 11:26 PM CDT, 4 hours 48 minutes before

Special Weather Statement
National Weather Service Memphis TN
1126 PM CDT WED MAR 29 2017

MSZ012-013-300500-
Lafayette MS-Panola MS-
1126 PM CDT WED MAR 29 2017

...A SIGNIFICANT WEATHER ADVISORY HAS BEEN ISSUED UNTIL MIDNIGHT CDT
FOR...

Northwestern Lafayette County in northwestern Mississippi...
Panola County in northwestern Mississippi...

At 1126 PM CDT...a strong thunderstorm producing pea size hail or
larger and winds at least 40 mph was located near Pope, or near
George Payne State Park, moving northeast at 50 mph.

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

People in northwestern Lafayette and Panola Counties should monitor
this storm closely.

LAT...LON 3416 9014 3455 9000 3455 8960 3416 8972
TIME...MOT...LOC 0426Z 202DEG 50KT 3418 8999

Special weather statement, Mar 30, 12:27 AM CDT, 3 hours 47 minutes before

Special Weather Statement
National Weather Service Memphis TN
1227 AM CDT THU MAR 30 2017

TNZ049-050-088>090-300615-
Hardeman TN-Tipton TN-Fayette TN-Shelby TN-Haywood TN-
1227 AM CDT THU MAR 30 2017

...A SIGNIFICANT WEATHER ADVISORY HAS BEEN ISSUED UNTIL 115 AM CDT
FOR...

Northwestern Hardeman County in western Tennessee...
Eastern Tipton County in western Tennessee...
Fayette County in western Tennessee...
Eastern Shelby County in western Tennessee...
Southern Haywood County in western Tennessee...

At 1225 AM CDT...winds ahead of some thunderstorm were producing
winds at least 40 mph across southern Shelby County. The
thunderstorms were moving northeast at 60 mph.

People in northwestern Hardeman...eastern Tipton...Fayette...eastern
Shelby and southern Haywood Counties should monitor this storm
closely.

LAT...LON 3547 8908 3499 8926 3499 9001 3559 8968
      3557 8907
TIME...MOT...LOC 0525Z 214DEG 50KT 3506 8968

Local storm report, Mar 30, 1:02 AM CDT, 3 hours 12 minutes before

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Special weather statement, Mar 30, 2:58 AM CDT, 1 hour 16 minutes before

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Special weather statement, Mar 30, 4:14 AM CDT, 0 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
Mar 30, 12:27 AM CDT	Special Weather Statement	MEG	Fayette, Shelby	48 min
Mar 30, 4:37 PM CDT	Special Weather Statement	MEG	Carroll	23 min
Mar 30, 6:00 PM CDT	Special Weather Statement	MEG	Henderson	30 min
Mar 30, 6:04 PM CDT	Special Weather Statement	MEG	Henry	26 min
Mar 29, 10:38 PM CDT	Special Weather Statement	MEG	Coahoma	37 min
Mar 29, 11:09 PM CDT	Special Weather Statement	MEG	Tunica	36 min
Mar 29, 11:26 PM CDT	Special Weather Statement	MEG	Panola	34 min
Mar 29, 11:44 PM CDT	Severe Thunderstorm Warning	MEG	Lafayette, Marshall, Panola, Tate	31 min
Mar 30, 2:58 AM CDT	Special Weather Statement	MEG	Chickasaw, Lee	47 min
Mar 30, 4:19 AM CDT	Special Weather Statement	MEG	Tunica	86 min
Mar 30, 7:00 AM CDT	Special Weather Statement	MEG	Monroe	60 min
Mar 29, 11:22 PM CDT	Special Weather Statement	MEG	Randolph	38 min

Nearby

Special Weather Statements in Mississippi, 2017 Special Weather Statements in Tennessee, 2017 Every special weather statement 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.