Alert archive / Texas / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 197, NWS Shreveport, LA

July 2, 2005Rusk County, Texas

NWS Shreveport, LA issued this severe thunderstorm warning at Jul 2, 2005, 11:27 AM CDT for Rusk County, Texas. It was in force for 63 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 2, 2005, 11:27 AM CDT (16:27 UTC)
Expired: Jul 2, 2005, 12:30 PM CDT
In force: 63 min
Issued by: NWS Shreveport, LA
Area: Counties, with a storm outline in the text

County Rusk County, TX

The radar

The Shreveport radar (KSHV), 95 km from the middle of the area, began a volume at 16:29 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

Shreveport, LA (KSHV), launched 12:00Z, 4.5 hours before the alert went out and 104 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: 168 J/kg
Mixed-layer CIN: -254 J/kg
Mixed-layer LCL: 1203 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 58 m²/s²
0-3 km storm-relative helicity: 82 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 Shreveport, LA wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 2, 9:30 AM CDT, 1 hour 57 minutes earlier.

Area forecast discussion, Jul 2, 9:30 AM CDT, 1 hour 57 minutes before

AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE SHREVEPORT LA
930 AM CDT SAT JUL 2 2005

.DISCUSSION...
WELL DEFINED OUTFLOW BOUNDARY EXTENDS SOUTH AND EAST FROM VIGOROUS MCV
SPINNING ACROSS N TX ATTM. THUNDERSTORMS HAVE INCREASED IN COVERAGE AND
INTENSITY ALONG THE OUTFLOW BOUNDARY EXTENDING FROM NEAR A ACT...CRS...
CANTON TX LINE. THIS BOUNDARY IS MOVING SSE AND SHOULD ONLY AFFECT OUR
EXTREME WEST AND SOUTHWEST ZONES THIS MORNING INTO THE AFTERNOON HOURS.
HIGHEST POP CURRENTLY ACROSS THIS REGION SO WILL LET THIS AREA RIDE.
LAPSE ANALYSIS HAS SHOWED THAT OUR NE ZONES HAVE STABILIZED QUITE A BIT
OVERNIGHT WITH OUR OLD SURFACE BOUNDARY SOMEWHERE IN THE NEIGHBORHOOD
OF N TX INTO S AR. WILL NEED AN UPDATE TO REMOVE TEMPORAL WORDING BUT
TEMPS AN POPS APPEAR IN GOOD SHAPE AREAWIDE.

UPDATE OUT SHORTLY...13.

&&

.PRELIMINARY POINT TEMPS/POPS...
SHV  95  73  98  75 /  30  20  20  10
MLU  93  73  94  73 /  30  20  20  10
DEQ  93  69  96  74 /  20  10  10  10
TXK  94  72  97  75 /  20  10  10  10
ELD  94  72  96  74 /  20  10  10  10
TYR  95  74  98  75 /  50  20  20  10
GGG  95  74  98  75 /  50  20  20  10
LFK  96  75  98  74 /  50  20  20  10

&&

.SHV WATCHES/WARNINGS/ADVISORIES...
AR...NONE.
LA...NONE.
OK...NONE.
TX...NONE.

&&

13

Hazardous weather outlook, Jul 2, 6:00 AM CDT, 5 hours 27 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SHREVEPORT LA
600 AM CDT SAT JUL 2 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>167-021700-
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-
600 AM CDT SAT JUL 2 2005

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

.DAY ONE...TODAY AND TONIGHT...

SHOWERS AND THUNDERSTORMS WILL INCREASE IN AREAL COVERAGE
DURING THE DAY ACROSS NORTH TEXAS AND SOUTH CENTRAL
OKLAHOMA...AND MOVE EAST AND SOUTHEAST ACROSS NORTHEAST TEXAS
AND INTO WEST CENTRAL LOUISIANA. SOME OF THE THUNDERSTORMS
MAY BECOME SEVERE...PRODUCING ISOLATED STRONG AND DAMAGING WIND
GUSTS...AND MORE ISOLATED LARGE HAIL.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY...

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

ACTIVATION OF EMERGENCY MANAGERS...SKYWARN NETWORKS...AND STORM
SPOTTERS...SHOULD NOT BE NEEDED TODAY OR TONIGHT.

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 2, 12:06 PM CDT	Severe Thunderstorm Warning	SHV	Nacogdoches, Panola, Shelby	54 min
Jul 2, 12:50 PM CDT	Severe Thunderstorm Warning	SHV	Caddo, De Soto	55 min
Jul 2, 1:30 PM CDT	Severe Thunderstorm Warning	SHV	Bossier, Red River	60 min
Jul 2, 1:41 PM CDT	Severe Thunderstorm Warning	SHV	Natchitoches	64 min
Jul 2, 1:48 PM CDT	Severe Thunderstorm Warning	SHV	Bienville	57 min
Jul 2, 2:26 PM CDT	Severe Thunderstorm Warning	SHV	Grant, Winn	64 min
Jul 2, 3:17 PM CDT	Severe Thunderstorm Warning	SHV	Caldwell, LaSalle	58 min

Nearby

Severe Thunderstorm Warnings in Texas, 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.