Alert archive / Arkansas / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 264, NWS Memphis, TN

May 25, 2008Lawrence County, Arkansas

NWS Memphis, TN issued this severe thunderstorm warning at May 25, 2008, 9:43 PM CDT for Lawrence County, Arkansas. It was in force for 47 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 25, 2008, 9:43 PM CDT (02:43 UTC)
Expired: May 25, 2008, 10:30 PM CDT
In force: 47 min
Issued by: NWS Memphis, TN
Area: Storm-based polygon

County Lawrence County, AR

The radar

The Memphis radar (KNQA), 136 km from the middle of the area, began a volume at 02:47 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
May 25, 6:33 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 2.7 hours before the alert went out and 259 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: 242 J/kg
Mixed-layer CIN: -72 J/kg
Mixed-layer LCL: 1666 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 16 m²/s²
0-3 km storm-relative helicity: 45 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

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 25, 2:39 PM CDT, 7 hours 4 minutes earlier.

Area forecast discussion, May 25, 2:39 PM CDT, 7 hours 4 minutes before

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Hazardous weather outlook, May 25, 6:55 PM CDT, 2 hours 48 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MEMPHIS TN
655 PM CDT SUN MAY 25 2008

ARZ008-009-017-018-026>028-035-036-048-049-058-MOZ113-115-
MSZ001>017-020>024-TNZ001>004-019>021-048>055-088>092-270200-
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-
655 PM CDT SUN MAY 25 2008

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

.DAY ONE...TONIGHT

STRONG TO SEVERE THUNDERSTORMS WILL BE POSSIBLE THIS EVENING AND
EARLY MORNING HOURS ACROSS NORTHWEST PORTIONS OF THE MIDSOUTH...
MAINLY ALONG AND WEST OF A LINE FROM DRESDEN TENNESSEE TO WYNNE
ARKANSAS. LARGE HAIL AND DAMAGING WINDS WILL BE THE MAIN THREATS
WITH ANY SEVERE STORMS THAT DEVELOPS.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.SPOTTER INFORMATION STATEMENT...

THE ACTIVATION OF SPOTTERS ACROSS NORTHEAST ARKANSAS...THE
MISSOURI BOOTHEEL...AND NORTHWEST TENNESSEE MAY BE NEEDED IN
SUPPORT OF SEVERE WEATHER OPERATIONS LATER THIS EVENING.

TAB

In the hours before

Special weather statement, May 25, 9:33 PM CDT, 10 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
933 PM CDT SUN MAY 25 2008

ARZ017-260300-
LAWRENCE AR-
933 PM CDT SUN MAY 25 2008

...THIS SIGNIFICANT WEATHER ALERT IS FOR...

  LAWRENCE COUNTY IN EASTERN ARKANSAS...

A STRONG THUNDERSTORM PRODUCING PEA TO DIME SIZE HAIL AND 40 TO 50
MPH WINDS WAS LOCATED 11 MILES SOUTHWEST OF STRAWBERRY AT 933 PM
CDT...MOVING NORTHEAST AT 50 MPH.

VERY HEAVY RAIN ALONG WITH CONTINUOUS CLOUD TO GROUND LIGHTNING ARE
ALSO POSSIBLE WITH THIS THUNDERSTORM.

THIS STORM IS INTENSIFYING AND COULD BECOME SEVERE RAPIDLY.

PEOPLE IN LAWRENCE COUNTY...INCLUDING THE CITIES OF BLACK ROCK...
HOXIE AND WALNUT RIDGE...SHOULD MONITOR THIS STORM CLOSELY..

.A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT FOR THE ALERT
AREA.

The office that day

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

Issued	Product	Office	Counties	Lasted
May 26, 1:07 PM CDT	Areal Flood Advisory	MEG	Alcorn, Prentiss, Tishomingo	113 min
May 26, 2:30 PM CDT	Flash Flood Warning	MEG	Prentiss, Tishomingo	3 hr
May 26, 4:18 PM CDT	Severe Thunderstorm Warning	MEG	Itawamba	42 min
May 26, 5:26 PM CDT	Flash Flood Warning	MEG	Prentiss, Tishomingo	109 min
May 26, 5:27 AM CDT	Severe Thunderstorm Warning	MEG	Obion	15 min
May 26, 11:18 AM CDT	Areal Flood Advisory	MEG	Carroll, Henderson, Madison	117 min
May 26, 12:24 PM CDT	Flash Flood Warning	MEG	Carroll, Decatur, Henderson	5 hr
May 26, 12:44 PM CDT	Severe Thunderstorm Warning	MEG	Decatur, Hardin, McNairy	46 min
May 26, 12:44 PM CDT	Severe Thunderstorm Warning	MEG	Carroll, Gibson, Weakley	46 min
May 26, 1:29 PM CDT	Flash Flood Warning	MEG	Madison	3 hr
May 26, 1:34 PM CDT	Severe Thunderstorm Warning	MEG	Chester, Madison	30 min
May 26, 3:08 PM CDT	Flash Flood Warning	MEG	Chester, Decatur, Hardin, Henderson, McNairy	3 hr
May 26, 4:20 PM CDT	Severe Thunderstorm Warning	MEG	Hardeman	40 min
May 26, 5:38 PM CDT	Severe Thunderstorm Warning	MEG	Haywood, Lauderdale, Tipton	52 min
May 26, 6:03 PM CDT	Severe Thunderstorm Warning	MEG	Haywood, Madison	42 min
May 26, 6:37 PM CDT	Severe Thunderstorm Warning	MEG	Chester, Hardeman, Madison	38 min
May 26, 6:45 PM CDT	Severe Thunderstorm Warning	MEG	Madison	20 min
May 25, 9:53 PM CDT	Severe Thunderstorm Warning	MEG	Craighead	52 min
May 26, 4:53 PM CDT	Severe Thunderstorm Warning	MEG	Poinsett	52 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 2008 Every severe thunderstorm warning in 2008

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.