Alert archive / Louisiana / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 173, NWS Shreveport, LA

June 1, 2004Bienville Parish, Louisiana

NWS Shreveport, LA issued this severe thunderstorm warning at Jun 1, 2004, 4:51 AM CDT for Bienville Parish, Louisiana. It was in force for 54 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: Jun 1, 2004, 4:51 AM CDT (09:51 UTC)
Expired: Jun 1, 2004, 5:45 AM CDT
In force: 54 min
Issued by: NWS Shreveport, LA
Area: Counties, with a storm outline in the text

County Bienville Parish, LA

The radar

The Shreveport radar (KSHV), 75 km from the middle of the area, began a volume at 09:51 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
Jun 1, 1:35 AM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Shreveport, LA (KSHV), launched 00:00Z, 9.9 hours before the alert went out and 67 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2066 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 29 m²/s²
0-3 km storm-relative helicity: 230 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

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 Jun 1, 2:59 AM CDT, 1 hour 52 minutes earlier.

Area forecast discussion, Jun 1, 2:59 AM CDT, 1 hour 52 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SHREVEPORT LA
259 AM CDT TUE JUN 1 2004

.DISCUSSION...
CURRENT STORMS OVER THE REGION THIS MORNING...APPEAR TO BE
ASSOCIATED WITH LIFT IN THE RRQ OF 100 KNOT JET. WEST NORTHWEST
TO NORTHWEST FLOW TO CONTINUE THROUGH THE END OF THE WEEK...WITH
FLOW BECOMING MOVE ZONAL OVER THE WEEKEND. SEVERAL DISTURBANCES
WILL BE MOVING THROUGH THE FLOW...WITH ONE MOVING INTO NORTHWEST
TX LATE THIS AFTERNOON AND MOVING INTO LA BY WED...WITH ANOTHER
ONE MOVING ACROSS WED NIGHT AND THURSDAY. THEN A SHORT WAVE MOVES
ACROSS OK IN MORE ZONAL FLOW ON FRIDAY...WITH OTHER DISTURBANCES
MOVING ACROSS THROUGH SUNDAY. THE AREA IS IN THE RRQ OF THE 250MB
JET...WITH THE BEST DIV TONIGHT...AND WED AND AGAIN WED NIGHT AND
LOOKS TO BE MOVE WEST OVER CENTRAL TX ON THURSDAY. OLD SURFACE
BOUNDARY TO HANG AROUND TODAY AND LIFT BACK NORTH TONIGHT AND THEN
ANOTHER FRONT MOVES SOUTH WED NIGHT AND THU. LLJ PROGGED TO BE
ABOUT 30 KNOTS TONIGHT AND 20 KNOTS WED NIGHT.

&&

.PRELIMINARY POINT TEMPS/POPS...
SHV  89  71  86  69 /  50  50  50  40
MLU  86  69  87  68 /  40  40  40  30
TXK  89  69  85  67 /  30  50  40  40
TYR  91  72  87  70 /  30  50  40  40
LFK  91  73  89  72 /  40  30  40  30

&&

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

&&

IV

Hazardous weather outlook, May 31, 12:00 PM CDT, 16 hours 51 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SHREVEPORT LA
1200 PM CDT MON MAY 31 2004

ARZ050-051-059>061-070>073-LAZ001>006-010>014-017>022-OKZ077-TXZ096-
097-108>112-124>126-136>138-149>153-165>167-011100-
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 MON MAY 31 2004

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

.DAY ONE...THIS AFTERNOON AND TONIGHT...
ISOLATED TO SCATTERED THUNDERSTORMS COULD DEVELOP LATE THIS AFTERNOON
NEAR A DRYLINE FRONT ACROSS NORTH CENTRAL TEXAS. THIS CONVECTION WILL
MOVE INTO EAST TEXAS THIS EVENING AND EVENTUALLY INTO NORTHWEST
LOUISIANA. SOME STORMS COULD REACH SEVERE LIMITS TONIGHT...PRODUCING
DAMAGING WINDS AND LARGE HAIL.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY...
A WEAK FRONT WILL REMAIN NEARLY STATIONARY ACROSS NORTHEAST TEXAS
AND NORTH LOUISIANA THROUGH WEDNESDAY. THIS BOUNDARY WILL HELP FOCUS
DEVELOPMENT OF SCATTERED THUNDERSTORMS. SOME OF THESE STORMS COULD
BECOME SEVERE.

.SPOTTER CALL TO ACTION STATEMENT...
ACTIVATION OF EMERGENCY MANAGERS...SKYWARN NETWORKS...AND STORM
SPOTTERS...MAY BE NEEDED TONIGHT.

In the hours before

Special weather statement, May 31, 11:25 PM CDT, 5 hours 26 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
1125 PM CDT MON MAY 31 2004

TXZ149-152-165-010700-
ANGELINA-CHEROKEE-NACOGDOCHES-
1125 PM CDT MON MAY 31 2004

...SEVERE THUNDERSTORM WATCH NUMBER 362 CONTINUED IN EFFECT UNTIL
200 AM CDT FOR PARTS OF EAST TEXAS...

IN EAST TEXAS THE WATCH INCLUDED ANGELINA AND NACOGDOCHES
COUNTIES...AND CHEROKEE COUNTY IN NORTHEAST TEXAS.

AT 1125 PM CDT...DOPPLER WEATHER RADAR IN SHREVEPORT INDICATED
SHOWERS AND THUNDERSTORMS OVER PARTS OF EAST AND SOUTHEAST TEXAS. THE
STRONGER THUNDERSTORMS WERE NOTED SOUTHWEST OF A PALESTINE TO
CROCKETT AND GROVETON LINE. OTHER SHOWERS AND THUNDERSTORMS WERE
DEVELOPING OVER EAST TEXAS NEAR MOUNT ENTERPRISE...CARTHAGE...AND
CUSHING. ADDITIONAL DEVELOPMENT WILL BE POSSIBLE OVER EAST
TEXAS TONIGHT. THUNDERSTORMS MAY BECOME SEVERE AND PRODUCE
LARGE HAIL AND HIGH AND POSSIBLY DAMAGING WINDS...ALONG
WITH LOCALLY HEAVY RAINFALL OF UP TO AROUND ONE INCH PER HOUR.

Local storm report, Jun 1, 1:25 AM CDT, 3 hours 26 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
125 AM CDT TUE JUN 01 2004

..TIME...   ...EVENT...     ...CITY LOCATION...      ...LAT.LON...
..DATE...   ....MAG....     ..COUNTY LOCATION...ST.. ...SOURCE....
            ..REMARKS..

0120 AM     HAIL             SHREVEPORT              32.47N 93.80W
06/01/2004  0.75 INCH        CADDO              LA   NWS EMPLOYEE

            HAIL OCCURRED AT WEATHER SERVICE OFFICE.

&&

22

Local storm report, Jun 1, 2:49 AM CDT, 2 hours 2 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
249 AM CDT TUE JUN 01 2004

..TIME...   ...EVENT...     ...CITY LOCATION...      ...LAT.LON...
..DATE...   ....MAG....     ..COUNTY LOCATION...ST.. ...SOURCE....
            ..REMARKS..

0210 AM     HAIL             GRAND CANE              32.08N 93.81W
06/01/2004  1.75 INCH        DE SOTO            LA   LAW ENFORCEMENT

&&

22

Local storm report, Jun 1, 3:42 AM CDT, 1 hour 9 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
342 AM CDT TUE JUN 01 2004

..TIME...   ...EVENT...     ...CITY LOCATION...      ...LAT.LON...
..DATE...   ....MAG....     ..COUNTY LOCATION...ST.. ...SOURCE....
            ..REMARKS..

0340 AM     TSTM WND DMG     WASKOM                  32.48N 94.06W
06/01/2004                   HARRISON           TX   LAW ENFORCEMENT

            TREES DOWN ON FM 9.

&&

22

Local storm report, Jun 1, 4:15 AM CDT, 36 minutes before

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Local storm report, Jun 1, 4:33 AM CDT, 18 minutes before

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        The site you requested is temporarily down for maintenance or an unexpected outage.
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      <p id="message2">
        Please try again in a few minutes.
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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 1, 1:51 AM CDT	Severe Thunderstorm Warning	SHV	Upshur, Wood	54 min
Jun 1, 3:32 AM CDT	Severe Thunderstorm Warning	SHV	Harrison	28 min
Jun 1, 1:07 AM CDT	Severe Thunderstorm Warning	SHV	Bossier, Caddo	53 min
Jun 1, 1:36 AM CDT	Severe Thunderstorm Warning	SHV	De Soto	54 min
Jun 1, 2:01 AM CDT	Severe Thunderstorm Warning	SHV	Bossier, Webster	59 min
Jun 1, 2:27 AM CDT	Severe Thunderstorm Warning	SHV	De Soto	63 min
Jun 1, 2:33 AM CDT	Severe Thunderstorm Warning	SHV	Claiborne	42 min
Jun 1, 2:46 AM CDT	Severe Thunderstorm Warning	SHV	Red River	59 min
Jun 1, 3:11 AM CDT	Severe Thunderstorm Warning	SHV	Bienville	64 min
Jun 1, 3:36 AM CDT	Severe Thunderstorm Warning	SHV	Caddo	54 min
Jun 1, 3:58 AM CDT	Severe Thunderstorm Warning	SHV	Lincoln	62 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 2004 Every severe thunderstorm warning in 2004

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.