Alert archive / Arkansas / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 43, NWS Memphis, TN

April 10, 2013Lawrence County, Randolph County, Arkansas

NWS Memphis, TN issued this severe thunderstorm warning at Apr 10, 2013, 7:34 PM CDT for Lawrence County, Randolph County, Arkansas. It was in force for 41 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: Apr 10, 2013, 7:34 PM CDT (00:34 UTC)
Expired: Apr 10, 2013, 8:15 PM CDT
In force: 41 min
Issued by: NWS Memphis, TN
Area: Storm-based polygon

Counties Lawrence County, AR, Randolph County, AR

The radar

The Memphis radar (KNQA), 143 km from the middle of the area, began a volume at 00:35 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 10, 1:20 PM CDT	Tornado Watch	SPC	10 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 0.6 hours before the alert went out and 182 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: 2188 J/kg
Mixed-layer CIN: -3 J/kg
Mixed-layer LCL: 918 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 362 m²/s²
0-3 km storm-relative helicity: 472 m²/s²
Significant tornado parameter: 5.8
Supercell composite: 29.7

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 Apr 10, 6:32 PM CDT, 1 hour 2 minutes earlier.

Area forecast discussion, Apr 10, 6:32 PM CDT, 1 hour 2 minutes before

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Hazardous weather outlook, Apr 10, 3:47 AM CDT, 15 hours 47 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MEMPHIS TN
347 AM CDT WED APR 10 2013

ARZ008-009-017-018-026>028-035-036-048-049-058-MOZ113-115-
MSZ001>017-020>024-TNZ001>004-019>021-048>055-088>092-111100-
ALCORN-BENTON MS-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-
347 AM CDT WED APR 10 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST ARKANSAS...
THE MISSOURI BOOTHEEL...NORTH MISSISSIPPI...AND WEST TENNESSEE.

.DAY ONE...TODAY AND TONIGHT

THERE IS A SLIGHT RISK FOR SEVERE WEATHER ACROSS THE MIDSOUTH THIS
EVENING AND DURING THE OVERNIGHT HOURS. THE PRIMARY THREATS WILL
BE LARGE HAIL...DAMAGING WINDS AND LOCALIZED FLASH FLOODING. THERE
IS A SECONDARY FOR AN ISOLATED SHORT- LIVED TORNADO. THE BEST
TIMING AND AREA FOR THE TORNADO THREAT WILL BE IN THE EVENING
HOURS AND WEST OF THE MISSISSIPPI RIVER.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

A FEW STRONG STORMS WILL BE POSSIBLE EAST OF A UNION CITY
TENNESSEE TO COFFEEVILLE MISSISSIPPI LINE. SMALL HAIL AND
LOCALIZED FLASH FLOODING WILL BE THE MAIN THREATS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS LIKELY WEDNESDAY EVENING INTO WEDNESDAY
NIGHT.

JAB

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 11, 3:22 AM CDT	Flash Flood Watch	MEG	Carroll, Chester, Crockett, Decatur, Dyer, Fayette and 14 more	13 hr
Apr 11, 4:51 AM CDT	Flash Flood Warning	MEG	Dyer, Gibson, Obion, Weakley	4 hr
Apr 11, 7:48 AM CDT	Flash Flood Warning	MEG	Carroll, Chester, Gibson, Henderson, Henry, Madison and 1 more	3 hr
Apr 11, 8:29 AM CDT	Flash Flood Warning	MEG	Decatur	10 hr
Apr 11, 9:12 AM CDT	River Flood Warning	MEG	Crockett, Dyer, Lauderdale	12 hr
Apr 10, 10:16 PM CDT	Severe Thunderstorm Warning	MEG	Coahoma, Tunica	44 min
Apr 11, 1:24 AM CDT	Flash Flood Warning	MEG	Coahoma, Panola, Quitman, Tallahatchie, Tunica	7 hr
Apr 11, 8:57 AM CDT	Flash Flood Warning	MEG	Alcorn, Pontotoc, Tippah, Union	3 hr
Apr 11, 9:35 AM CDT	Special Weather Statement	MEG	Prentiss, Tishomingo	40 min
Apr 11, 11:43 AM CDT	River Flood Warning	MEG	Tate, Tunica	23 hr
Apr 11, 11:43 AM CDT	River Flood Warning	MEG	Lafayette, Marshall, Union	40 hr
Apr 11, 12:42 PM CDT	Special Weather Statement	MEG	Itawamba	33 min
Apr 10, 9:08 PM CDT	Severe Thunderstorm Warning	MEG	Craighead, Crittenden, Cross, Poinsett	52 min
Apr 10, 9:19 PM CDT	Flash Flood Warning	MEG	Cross, Poinsett	5 hr

Nearby

Severe Thunderstorm Warnings in Arkansas, 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.