Alert archive / Mississippi / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 90, NWS Memphis, TN

May 22, 2013Chickasaw County, Monroe County, Mississippi

NWS Memphis, TN issued this severe thunderstorm warning at May 22, 2013, 12:36 AM CDT for Chickasaw County, Monroe County, Mississippi. It was in force for 39 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: May 22, 2013, 12:36 AM CDT (05:36 UTC)
Expired: May 22, 2013, 1:15 AM CDT
In force: 39 min
Issued by: NWS Memphis, TN
Area: Storm-based polygon

Counties Chickasaw County, MS, Monroe County, MS

The radar

The Columbus AFB radar (KGWX), 36 km from the middle of the area, began a volume at 05:38 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

Little Rock, AR (KLZK), launched 00:00Z, 5.6 hours before the alert went out and 153 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: 57 J/kg
Mixed-layer CIN: -554 J/kg
Mixed-layer LCL: 1175 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: -47 m²/s²
0-3 km storm-relative helicity: 20 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 May 21, 11:37 PM CDT, 59 minutes earlier.

Area forecast discussion, May 21, 11:37 PM CDT, 59 minutes before

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Hazardous weather outlook, May 21, 10:10 PM CDT, 2 hours 26 minutes before

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In the hours before

Local storm report, May 21, 6:37 PM CDT, 5 hours 59 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MEMPHIS TN
637 PM CDT TUE MAY 21 2013

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

0604 PM     FLASH FLOOD      3 ENE ARLINGTON         35.30N 89.62W
05/21/2013                   FAYETTE            TN   TRAINED SPOTTER

            STATE HWY 196 AT ORR RD COVERD BY WATER.

0604 PM     FLASH FLOOD      OLIVE BRANCH            34.95N 89.83W
05/21/2013                   DESOTO             MS   TRAINED SPOTTER

            HOMES AND BUSINESSES ON GOODMAN NEAR MALONE FLOODED WITH
            UP TO 3 FEET OF WATER.

0615 PM     FLASH FLOOD      DOWNTOWN MEMPHIS        35.13N 90.05W
05/21/2013                   SHELBY             TN   BROADCAST MEDIA

            I-55 NORTH AFTER 3RD CLSED DUE TO FLOODING.

&&

ZEI

Local storm report, May 21, 6:50 PM CDT, 5 hours 46 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MEMPHIS TN
650 PM CDT TUE MAY 21 2013

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

0630 PM     FLASH FLOOD      HORN LAKE               34.96N 90.04W
05/21/2013                   DESOTO             MS   STORM CHASER

            MAJOR FLASH FLOODING ACROSS SOUTHAVEN AND HORN LAKE WITH
            MANY ROADS IMPASSABLE. RAIN GAUGE MEASURED 4.29INCHES AT
            CHASERS HOME LOCATION OVER A PERIOD OF FOUR HOURS.

&&

ZEI

Local storm report, May 21, 9:44 PM CDT, 2 hours 52 minutes before

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Local storm report, May 21, 11:38 PM CDT, 58 minutes before

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Special weather statement, May 22, 12:25 AM CDT, 11 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
May 21, 9:47 PM CDT	River Flood Warning	MEG	Crockett, Dyer, Lauderdale	22 hr
May 21, 9:50 PM CDT	River Flood Warning	MEG	Fayette, Shelby	22 hr
May 22, 11:49 AM CDT	River Flood Advisory	MEG	Lauderdale, Tipton	47 hr
May 21, 7:30 PM CDT	Flash Flood Warning	MEG	Panola	3 hr
May 21, 8:05 PM CDT	Severe Thunderstorm Warning	MEG	Tallahatchie	25 min
May 21, 8:12 PM CDT	Tornado Warning	MEG	Tallahatchie, Yalobusha	48 min
May 21, 8:38 PM CDT	Flash Flood Warning	MEG	Panola, Tallahatchie, Yalobusha	3 hr
May 21, 8:44 PM CDT	River Flood Advisory	MEG	Coahoma, Tunica	36 hr
May 21, 9:02 PM CDT	Severe Thunderstorm Warning	MEG	Calhoun, Yalobusha	43 min
May 21, 9:09 PM CDT	Flash Flood Warning	MEG	Lafayette, Panola, Yalobusha	3 hr
May 21, 9:21 PM CDT	River Flood Warning	MEG	Tate, Tunica	23 hr
May 22, 12:25 AM CDT	Special Weather Statement	MEG	Alcorn, Itawamba, Lee, Monroe, Prentiss, Tishomingo	50 min
May 22, 1:13 AM CDT	Special Weather Statement	MEG	Itawamba, Monroe	32 min
May 22, 10:03 AM CDT	River Flood Warning	MEG	Quitman	23 hr

Nearby

Severe Thunderstorm Warnings in Mississippi, 2013 Every severe thunderstorm warning in 2013

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.