Alert archive / Arkansas / Special Weather Statements in 2013

Special Weather Statement, NWS Memphis, TN

July 18, 2013Craighead County, Arkansas

NWS Memphis, TN issued this special weather statement at Jul 18, 2013, 12:13 PM CDT for Craighead County, Arkansas. It was in force for 32 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
Jul 18, 2013, 12:13 PM CDT (17:13 UTC)
Expired
Jul 18, 2013, 12:45 PM CDT
In force
32 min
Issued by
NWS Memphis, TN

County Craighead County, AR

The radar

The Memphis radar (KNQA), 107 km from the middle of the area, began a volume at 17:15 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

Little Rock, AR (KLZK), launched 12:00Z, 5.2 hours before the alert went out and 141 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, Little Rock, AR at 12:00Z on 2013-07-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1817 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, Little Rock, AR at 12:00Z on 2013-07-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 22 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
1817 J/kg
Mixed-layer CIN
-19 J/kg
Mixed-layer LCL
1227 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
22 m²/s²
0-3 km storm-relative helicity
16 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.9

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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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 Jul 18, 9:50 AM CDT, 2 hours 23 minutes earlier.

Area forecast discussion, Jul 18, 9:50 AM CDT, 2 hours 23 minutes before
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Hazardous weather outlook, Jul 18, 5:00 AM CDT, 7 hours 13 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MEMPHIS TN
500 AM CDT THU JUL 18 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>092-191200-
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-
500 AM CDT THU JUL 18 2013

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

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

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 18, 12:13 PM CDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 18, 12:36 PM CDTSpecial Weather StatementMEGWeakley24 min
Jul 18, 2:38 PM CDTSpecial Weather StatementMEGCrockett37 min
Jul 18, 3:13 PM CDTSevere Thunderstorm WarningMEGHaywood47 min
Jul 18, 3:33 PM CDTSevere Thunderstorm WarningMEGHaywood, Lauderdale, Tipton27 min
Jul 18, 3:47 PM CDTSpecial Weather StatementMEGFayette43 min
Jul 18, 3:54 PM CDTSevere Thunderstorm WarningMEGFayette, Shelby, Tipton36 min
Jul 18, 4:13 PM CDTFlash Flood WarningMEGFayette, Shelby, Tipton3 hr
Jul 18, 4:32 PM CDTSpecial Weather StatementMEGShelby28 min
Jul 18, 1:24 AM CDTSpecial Weather StatementMEGMonroe51 min
Jul 18, 1:44 AM CDTSpecial Weather StatementMEGChickasaw, Monroe46 min
Jul 18, 3:02 AM CDTSpecial Weather StatementMEGCalhoun, Chickasaw43 min
Jul 18, 3:50 AM CDTSpecial Weather StatementMEGItawamba40 min
Jul 18, 4:34 AM CDTSpecial Weather StatementMEGChickasaw41 min
Jul 18, 12:19 PM CDTSpecial Weather StatementMEGCoahoma26 min
Jul 18, 2:35 PM CDTSpecial Weather StatementMEGTunica25 min
Jul 18, 12:56 PM CDTSpecial Weather StatementMEGCraighead34 min
Jul 18, 4:37 PM CDTSpecial Weather StatementMEGCrittenden23 min
Jul 18, 4:42 PM CDTSevere Thunderstorm WarningMEGCrittenden48 min
Jul 18, 4:51 PM CDTFlash Flood WarningMEGCrittenden, Cross, Mississippi, St. Francis3 hr
Jul 18, 4:55 PM CDTSevere Thunderstorm WarningMEGMississippi, Poinsett50 min
Jul 18, 4:59 PM CDTSpecial Weather StatementMEGRandolph46 min
Jul 18, 5:08 PM CDTSpecial Weather StatementMEGCrittenden37 min
Jul 18, 5:23 PM CDTSpecial Weather StatementMEGCraighead37 min
Jul 18, 5:24 PM CDTFlash Flood WarningMEGCross, Mississippi, Poinsett3 hr
Jul 18, 5:55 PM CDTSpecial Weather StatementMEGCross35 min
Jul 18, 6:11 PM CDTSpecial Weather StatementMEGLawrence19 min

Nearby

Special Weather Statements in Arkansas, 2013Every special weather statement 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.