Alert archive / Mississippi / Special Weather Statements in 2018

Special Weather Statement, NWS Memphis, TN

August 16, 2018Monroe County, Mississippi

NWS Memphis, TN issued this special weather statement at Aug 16, 2018, 3:01 PM CDT for Monroe County, Mississippi. It was in force for 44 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: Aug 16, 2018, 3:01 PM CDT (20:01 UTC)
Expired: Aug 16, 2018, 3:45 PM CDT
In force: 44 min
Issued by: NWS Memphis, TN

County Monroe County, MS

The radar

The Columbus AFB radar (KGWX), 37 km from the middle of the area, began a volume at 20:04 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 12:00Z, 8.0 hours before the alert went out and 227 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: 1387 J/kg
Mixed-layer CIN: -58 J/kg
Mixed-layer LCL: 950 m above ground
0-6 km bulk shear: 4 kt
0-1 km storm-relative helicity: -15 m²/s²
0-3 km storm-relative helicity: -8 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Aug 16, 1:11 PM CDT, 1 hour 50 minutes earlier.

Area forecast discussion, Aug 16, 1:11 PM CDT, 1 hour 50 minutes before

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Hazardous weather outlook, Aug 16, 2:32 PM CDT, 29 minutes before

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In the hours before

Local storm report, Aug 16, 10:58 AM CDT, 4 hours 3 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MEMPHIS TN
1058 AM CDT THU AUG 16 2018

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0700 AM     FLOOD            MARMADUKE               36.19N 90.39W
08/16/2018                   GREENE             AR   BROADCAST MEDIA

            WIDESPREAD FLOODING ALL OVER MARMADUKE. WATER 4 TO 6
            INCHES DEEP.

&&

MRM

Local storm report, Aug 16, 1:04 PM CDT, 1 hour 57 minutes before

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Local storm report, Aug 16, 1:07 PM CDT, 1 hour 54 minutes before

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Special weather statement, Aug 16, 3:01 PM 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
Aug 16, 8:37 AM CDT	Special Weather Statement	MEG	Haywood, Shelby, Tipton	38 min
Aug 16, 10:15 AM CDT	Areal Flood Advisory	MEG	Haywood, Lauderdale, Tipton	2 hr
Aug 16, 10:57 AM CDT	Areal Flood Advisory	MEG	Fayette, Haywood, Tipton	2 hr
Aug 16, 2:21 PM CDT	Heat Advisory	MEG	Shelby	7 hr
Aug 16, 4:40 PM CDT	Special Weather Statement	MEG	Lauderdale	35 min
Aug 16, 6:48 PM CDT	Special Weather Statement	MEG	Haywood	27 min
Aug 16, 3:50 PM CDT	Special Weather Statement	MEG	Itawamba, Tishomingo	40 min
Aug 15, 11:43 PM CDT	Special Weather Statement	MEG	Craighead	47 min
Aug 16, 3:08 AM CDT	Areal Flood Advisory	MEG	Randolph	3 hr
Aug 16, 4:18 AM CDT	Areal Flood Advisory	MEG	Clay	3 hr
Aug 16, 5:16 AM CDT	Flash Flood Warning	MEG	Clay	3 hr
Aug 16, 6:24 AM CDT	Areal Flood Advisory	MEG	Clay, Greene, Mississippi	2 hr
Aug 16, 8:39 AM CDT	Areal Flood Warning	MEG	Clay, Greene, Randolph	3 hr

Nearby

Special Weather Statements in Mississippi, 2018 Every special weather statement in 2018

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.