Alert archive / Louisiana / Severe Thunderstorm Warnings in 2006
Severe Thunderstorm Warning 210, NWS Shreveport, LA
NWS Shreveport, LA issued this severe thunderstorm warning at Jul 19, 2006, 5:26 PM CDT for Caldwell Parish, Louisiana. It was in force for 34 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 19, 2006, 5:26 PM CDT (22:26 UTC)
- Expired
- Jul 19, 2006, 6:00 PM CDT
- In force
- 34 min
- Issued by
- NWS Shreveport, LA
- Area
- Counties, with a storm outline in the text
County Caldwell Parish, LA
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 19, 4:56 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Shreveport, LA (KSHV), launched 12:00Z, 10.4 hours before the alert went out and 159 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.
- Mixed-layer CAPE
- 3200 J/kg
- Mixed-layer CIN
- -68 J/kg
- Mixed-layer LCL
- 1062 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- -54 m²/s²
- 0-3 km storm-relative helicity
- -17 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.3
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 19, 5:23 PM CDT, 3 minutes earlier.
Area forecast discussion, Jul 19, 5:23 PM CDT, 3 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SHREVEPORT LA
523 PM CDT WED JUL 19 2006
.DISCUSSION...
UPDATED ZONES AND GRIDS FOR SEVERE THUNDERSTORM WATCH 621 UNTIL
MIDNIGHT FOR ALL OF NORTH LOUISIANA AND MUCH OF EAST TEXAS. EXPECT
MAINLY HIGH WINDS WITH THIS SYSTEM.
UPDATE ALREADY OUT.
&&
.PREV DISCUSSION... (ISSUED 415 PM CDT WED JUL 19 2006)
DISCUSSION...
LARGE COMPLEX OF SHOWERS AND THUNDERSTORMS PRESSING WESTWARD INTO
SOUTHEASTERN PORIONS OF CWA...INCLUDED CHANCE OF SEVERE WORDING TO
TONIGHTS LIKELY POPS OVER SOUTHEASTERN SECTIONS PER SPC/MCD. OTHER
SHOWERS AND ISOLATED THUNDERSTORM ACIVITY OVER NORTHERN ZONES
INCLUDES 20 POPS FOR THIS EVENING...MOST OF THIS SHOULD FADE WITH
DAYTIME HEATING. HOWEVER...THE COMPLEX OVER SOUTHEAST SHOULD
PROGRESS WELL INTO EVENING IF NOT PORTIONS OF THE OVERNIGHT HOURS.
MORE OR LESS PERSISTENCE FOR TOMORROW AND FRIDAY WITH STILL WELL
ABOVE AVERGE READINGS FOR HIGHS. HEAT ADVISORY WILL CONTINUE
THROUGH TOMORROW EARLY EVENING.
SLIGHT COOLING TREND STILL ON TAP FOR THE WEEKEND AS MODELS CONTINUE
TO SHOW DECENT TROUGH IN THE EAST. WENT A BIT ABOVE GUIDANCE ON
TEMPS AS IT IS STILL LATE JULY...BUT WITH THE INCREASED CLOUDS AND
RAIN...THIS SHOULD HELP TO LIMIT HEATING WELL BELOW RECENT VALUES.
EARLY NEXT WEEK SHOULD STILL HAVE REMNANT SHEAR ZONE SUFFICIENT TO
INCLUDE 20 POPS INTO MIDWEEK. KEPT HIGHS AND LOWS AT OR SLIGHTLY
ABOVE CLIMATOLOGY FOR LATE JULY.
&&
.PRELIMINARY POINT TEMPS/POPS...
SHV 76 100 75 100 / 40 20 10 20
MLU 73 97 75 99 / 60 20 10 20
DEQ 72 101 73 101 / 20 10 10 10
TXK 76 101 75 101 / 30 20 10 10
ELD 71 100 74 100 / 30 20 10 10
TYR 77 98 76 99 / 30 20 10 20
GGG 76 98 74 99 / 40 20 10 20
LFK 76 96 74 98 / 40 20 10 20
&&
.SHV WATCHES/WARNINGS/ADVISORIES...
AR...HEAT ADVISORY UNTIL 8 PM THURSDAY FOR THE FOLLOWING ZONES:
COLUMBIA...HEMPSTEAD...HOWARD...LAFAYETTE...LITTLE
RIVER...MILLER...NEVADA...SEVIER...AND UNION AR.
LA...HEAT ADVISORY UNTIL 8 PM THURSDAY FOR THE FOLLOWING ZONES:
BIENVILLE...BOSSIER...CADDO...CALDWELL...CLAIBORNE...DE
SOTO...GRANT...JACKSON...LA
SALLE...LINCOLN...NATCHITOCHES...OUACHITA...RED
RIVER...SABINE LA...UNION LA...WEBSTER...AND WINN.
OK...HEAT ADVISORY UNTIL 8 PM THURSDAY FOR THE FOLLOWING ZONES: AND
MCCURTAIN.
TX...HEAT ADVISORY UNTIL 8 PM THURSDAY FOR THE FOLLOWING ZONES:
ANGELINA...BOWIE...CAMP...CASS...CHEROKEE...FRANKLIN...GREGG...
HARRISON...MARION...MORRIS...NACOGDOCHES...PANOLA...RED
RIVER...RUSK...SABINE TX...SAN
AUGUSTINE...SHELBY...SMITH...TITUS...UPSHUR...AND WOOD.
&&
22Hazardous weather outlook, Jul 19, 2:32 PM CDT, 2 hours 54 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE SHREVEPORT LA 232 PM CDT WED JUL 19 2006 ARZ050-051-059>061-070>073-LAZ001>006-010>014-017>022-OKZ077-TXZ096- 097-108>112-124>126-136>138-149>153-165>167-201100- 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- 232 PM CDT WED JUL 19 2006 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST OKLAHOMA...NORTHEAST TEXAS...SOUTHWEST ARKANSAS...NORTHWEST...AND NORTH CENTRAL LOUISIANA. .DAY ONE...THIS AFTERNOON AND TONIGHT... THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THROUGH THIS EVENING ACROSS CENTRAL AND NORTHEAST LOUISIANA...GENERALLY EAST OF A LINE FROM MANY LOUISIANA TO EL DORADO ARKANSAS. THE MAIN RISK FROM ANY SEVERE THUNDERSTORMS WILL BE DAMAGING WINDS IN EXCESS OF 60 MILES AN HOUR...WITH A SMALLER RISK FOR SEEING HAIL LARGER THAN THREE QUARTERS OF AN INCH. OUTSIDE OF THIS AREA...ISOLATED TO SCATTERED THUNDERSTORMS WILL BE POSSIBLE WEST OF THIS AREA...MAINLY ACROSS NORTHWEST LOUISIANA AND NORTHEAST TEXAS...ALONG AND SOUTH OF INTERSTATE 20. AN UPPER LEVEL DISTURBANCE...MOVING SOUTHWEST ACROSS MISSISSIPPI HAS RESULTED IN RAPID THUNDERSTORM DEVELOPMENT EAST OF THE MISSISSIPPI RIVER. THESE THUNDERSTORMS ARE EXPECTED TO MOVE SOUTHWEST...AND COULD AFFECT COMMUNITIES ALONG THE HIGHWAY 165 CORRIDOR BEFORE SUNSET. WITH THE VERY WARM...MOIST...AND UNSTABLE AIRMASS IN PLACE...SEVERE STORMS WILL BE POSSIBLE OVER PARTS OF EASTERN LOUISIANA. THE THUNDERSTORMS ARE EXPECTED TO WEAKEN AFTER SUNSET. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY... NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. HOWEVER...ISOLATED SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE OVER THE ENTIRE FOUR STATE REGION AS WE MOVE INTO THE WEEKEND. A WEAK UPPER LEVEL DISTURBANCE IS FORECAST TO DRIFT INTO THE REGION FROM THE NORTH AND INTERACT WITH AMPLE MOISTURE AND INSTABILITY. .SPOTTER INFORMATION STATEMENT... THE ACTIVATION OF EMERGENCY MANAGERS...SKYWARN NETWORKS...AND STORM SPOTTERS MAY BE NEEDED LATE THIS AFTERNOON AND EVENING EAST OF INTERSTATE 49. BUTTS
The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 19, 4:51 PM CDT | Severe Thunderstorm Warning | SHV | LaSalle | 69 min |
| Jul 19, 5:39 PM CDT | Severe Thunderstorm Warning | SHV | Grant, Winn | 36 min |
| Jul 19, 6:08 PM CDT | Severe Thunderstorm Warning | SHV | Caldwell, Ouachita | 37 min |
| Jul 19, 6:15 PM CDT | Severe Thunderstorm Warning | SHV | Bienville, Grant, Jackson, Natchitoches, Winn | 30 min |
| Jul 19, 6:48 PM CDT | Severe Thunderstorm Warning | SHV | Bienville, Grant, Jackson, Natchitoches, Winn | 42 min |
| Jul 19, 6:53 PM CDT | Severe Thunderstorm Warning | SHV | Hempstead | 67 min |
Nearby
Severe Thunderstorm Warnings in Louisiana, 2006Every severe thunderstorm warning in 2006
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.