Alert archive / Arkansas / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 210, NWS Shreveport, LA

July 5, 2005Union County, Arkansas

NWS Shreveport, LA issued this severe thunderstorm warning at Jul 5, 2005, 2:55 PM CDT for Union 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 counties it named.

The facts

Issued: Jul 5, 2005, 2:55 PM CDT (19:55 UTC)
Expired: Jul 5, 2005, 3:27 PM CDT
In force: 32 min
Issued by: NWS Shreveport, LA
Area: Counties, with a storm outline in the text

County Union County, AR

The radar

The Shreveport radar (KSHV), 141 km from the middle of the area, began a volume at 19:55 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, 7.9 hours before the alert went out and 306 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: 345 J/kg
Mixed-layer CIN: -156 J/kg
Mixed-layer LCL: 1282 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 35 m²/s²
0-3 km storm-relative helicity: 69 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.2

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 Shreveport, LA wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 5, 2:50 PM CDT, 5 minutes earlier.

Area forecast discussion, Jul 5, 2:50 PM CDT, 5 minutes before

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Hazardous weather outlook, Jul 5, 12:00 PM CDT, 2 hours 55 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SHREVEPORT LA
1200 PM CDT TUE JUL 5 2005

ARZ050-051-059>061-070>073-LAZ001>006-010>014-017>022-OKZ077-TXZ096-
097-108>112-124>126-136>138-149>153-165>167-061100-
ANGELINA-BIENVILLE-BOSSIER-BOWIE-CADDO-CALDWELL-CAMP-CASS-CHEROKEE-
CLAIBORNE-COLUMBIA-DE SOTO-FRANKLIN-GRANT-GREGG-HARRISON-HEMPSTEAD-
HOWARD-JACKSON-LA SALLE-LAFAYETTE-LINCOLN-LITTLE RIVER-MARION-
MCCURTAIN-MILLER-MORRIS-NACOGDOCHES-NATCHITOCHES-NEVADA-OUACHITA-
PANOLA-RED RIVER LA-RED RIVER TX-RUSK-SABINE LA-SABINE TX-
SAN AUGUSTINE-SEVIER-SHELBY-SMITH-TITUS-UNION AR-UNION LA-UPSHUR-
WEBSTER-WINN-WOOD-
1200 PM CDT TUE JUL 5 2005

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST OKLAHOMA...NORTHEAST
TEXAS...SOUTHWEST ARKANSAS...NORTHWEST...AND NORTH CENTRAL LOUISIANA.

.DAY ONE...THIS AFTERNOON AND TONIGHT...

A VERY UNSTABLE AND MOISTURE LADEN AIRMASS WILL REMAIN IN PLACE
ACROSS THE FOUR STATE REGION THROUGH TONIGHT. WITH THE AID OF
AFTERNOON HEATING...EXPECT A FEW STRONG TO POSSIBLY SEVERE
THUNDERSTORMS COULD DEVELOP ACROSS MAINLY SOUTHERN AREAS OF THE
REGION...INCLUDING THE LOWER TOLEDO BEND AND SAM RAYBURN COUNTRY OF
NORTHEAST TEXAS AND NORTH CENTRAL AND NORTHEAST LOUISIANA. ANY
STRONG TO SEVERE THUNDERSTORMS THIS EVENING WILL HAVE THE CAPABILITY
TO PRODUCE STRONG AND DAMAGING WIND GUSTS AND POSSIBLE HAIL.
SEVERE THUNDERSTORMS THIS AFTERNOON AND EVENING WILL BE VERY
ISOLATED IN NATURE AND NOT WIDESPREAD.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY...

SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE FOR MUCH OF THIS
WEEK...WITH A DRY PERIOD EXPECTED DURING THE WEEKEND...FOLLOWED
BY POSSIBLE RAINFALL DURING EARLY NEXT WEEK. ONE TROPICAL
SYSTEM...CINDY...WILL MOVE INTO SOUTHEAST LOUISIANA AND MOVE
TOWARD THE TENNESSEE VALLEY FROM WEDNESDAY INTO FRIDAY...
FOLLOWED BY THE NEXT TROPICAL SYSTEM DURING EARLY NEXT WEEK.

.SPOTTER INFORMATION STATEMENT...

ACTIVATION OF EMERGENCY MANAGERS...SKYWARN NETWORKS...AND STORM
SPOTTERS...SHOULD NOT BE NEEDED THIS AFTERNOON THROUGH TONIGHT.

The office that day

Everything else NWS Shreveport, LA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 4, 8:50 PM CDT	Severe Thunderstorm Warning	SHV	Red River	55 min
Jul 4, 11:58 PM CDT	Severe Thunderstorm Warning	SHV	Franklin	47 min
Jul 5, 1:55 AM CDT	Flash Flood Warning	SHV	Franklin	4 hr
Jul 5, 3:42 AM CDT	Severe Thunderstorm Warning	SHV	Franklin	48 min
Jul 5, 5:58 AM CDT	Flash Flood Warning	SHV	Red River	4 hr
Jul 5, 2:05 PM CDT	Severe Thunderstorm Warning	SHV	Union	55 min
Jul 5, 1:59 PM CDT	Severe Thunderstorm Warning	SHV	Union	61 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 2005 Every severe thunderstorm warning in 2005

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.