Alert archive / Texas / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 118, NWS Shreveport, LA

April 2, 2000Angelina County, Texas

NWS Shreveport, LA issued this severe thunderstorm warning at Apr 2, 2000, 12:53 AM CST for Angelina County, Texas. It was in force for 52 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Apr 2, 2000, 12:53 AM CST (06:53 UTC)
Expired: Apr 2, 2000, 1:45 AM CST
In force: 52 min
Issued by: NWS Shreveport, LA
Area: Whole counties

County Angelina County, TX

The radar

The Shreveport radar (KSHV), 152 km from the middle of the area, began a volume at 06:53 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.

What was reported inside it

Time	Report	Where	Remark
Apr 2, 1:08 AM CST	Hail 0.75	Huntington, TX
Apr 2, 1:08 AM CST	Hail 0.75	Huntington, TX

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Shreveport, LA (KSHV), launched 00:00Z, 6.9 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.

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: 330 J/kg
Mixed-layer CIN: -110 J/kg
Mixed-layer LCL: 439 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 467 m²/s²
0-3 km storm-relative helicity: 481 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 16.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 Apr 1, 8:46 PM CST, 4 hours 7 minutes earlier.

Area forecast discussion, Apr 1, 8:46 PM CST, 4 hours 7 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SHREVEPORT LA
846 PM CST SAT APR 1 2000

FRONTAL BOUNDARY EXTENDS FROM NEAR LIT TO BETWEEN TXK AND SHV
TO BETWEEN AUS AND CLL. FRONT SHOULD MOVE SLOWLY SOUTH TONIGHT
OVER THE WEST AND REMAIN ABOUT STATIONARY OVER THE NORTHEAST
SECTIONS. THUNDERSTORMS AT PRESENT TIME ARE OVER THE NORTH AND
CENTRAL SECTIONS AND MOVING NORTHEAST...WITH MOST OF THE STORMS
ALONG AND NORTH OF THE BOUNDARY...IN THE AREA OF BEST ISENTROPIC
LIFT. MORE STORMS ARE DEVELOPING OVER SOUTH AND CENTRAL TX AHEAD
OF THE NEXT VORT MAX MOVES NORTHEAST. WILL ADD HEAVY RAIN AND
AND SEVERE TO THE NORTHERN SECTIONS AND ADJUST TEMP A TAD IN A
FEW PLACES.

.SHV...NONE.

IV

In the hours before

Local storm report, Apr 1, 8:29 PM CST, 4 hours 24 minutes before

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Local storm report, Apr 1, 8:30 PM CST, 4 hours 23 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
829 PM CST FRI MAR 31 2000

TIME(CST)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....PARISH/COUNTY LOCATION....

0325 PM    MONROE                    LA   .75 INCH HAIL
04/01/00   OUACHITA                       FROM LAW ENFORCEMENT

0815 PM    GRAND CANE                LA   1 INCH HAIL
04/01/00   DE SOTO                        HAIL THE SIZE OF QUARTERS
                                          FROM SPOTTERS

0815 PM    MANSFIELD                 LA   1 INCH HAIL
04/01/00   DE SOTO                        HAIL THE SIZE OF QUARTERS
                                          FROM FIRE DEPT

0824 PM    5 W RINGGOLD              LA   .88 INCH HAIL
04/01/00   BIENVILLE                      HAIL THE SIZE OF NICKELS
                                          FROM LAW ENFORCEMENT

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 1, 6:20 PM CST	Severe Thunderstorm Warning	SHV	Bowie	40 min
Apr 1, 7:50 PM CST	Severe Thunderstorm Warning	SHV	Shelby	55 min
Apr 2, 3:35 AM CDT	Severe Thunderstorm Warning	SHV	Shelby	55 min
Apr 1, 8:11 PM CST	Severe Thunderstorm Warning	SHV	Bienville	64 min
Apr 2, 3:30 AM CDT	Severe Thunderstorm Warning	SHV	Red River	45 min
Apr 2, 3:39 AM CDT	Severe Thunderstorm Warning	SHV	Bienville	66 min
Apr 2, 4:31 AM CDT	Severe Thunderstorm Warning	SHV	Jackson, Lincoln	44 min
Apr 2, 4:00 PM CDT	Severe Thunderstorm Warning	SHV	Jackson	45 min
Apr 1, 6:35 PM CST	Severe Thunderstorm Warning	SHV	Little River	25 min

Nearby

Severe Thunderstorm Warnings in Texas, 2000 Every severe thunderstorm warning in 2000

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.