Alert archive / Texas / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 101, NWS Shreveport, LA

March 2, 1999Rusk County, Texas

NWS Shreveport, LA issued this severe thunderstorm warning at Mar 2, 1999, 4:35 PM CST for Rusk County, Texas. It was in force for 45 min. 1 report 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
Mar 2, 1999, 4:35 PM CST (22:35 UTC)
Expired
Mar 2, 1999, 5:20 PM CST
In force
45 min
Issued by
NWS Shreveport, LA
Area
Whole counties

County Rusk County, TX

What was reported inside it

TimeReportWhereRemark
Mar 2, 4:38 PM CSTHail 0.75Henderson, 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Mar 2, 3:15 PM CSTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Shreveport, LA (KSHV), launched 12:00Z, 10.6 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-pSkew-T log-p diagram, Shreveport, LA at 12:00Z on 1999-03-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 974 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Shreveport, LA at 12:00Z on 1999-03-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 56 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
974 J/kg
Mixed-layer CIN
-34 J/kg
Mixed-layer LCL
501 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
56 m²/s²
0-3 km storm-relative helicity
70 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.4

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 Mar 2, 3:05 PM CST, 1 hour 30 minutes earlier.

Area forecast discussion, Mar 2, 3:05 PM CST, 1 hour 30 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SHREVEPORT LA
305 PM CST TUE MAR 2 1999

ALL THE EXCITEMENT IS WITH CURRENT SYSTEM MOVING THROUGH TEXAS.
SEVERE THUNDERSTORMS FIRING OVER FRONT AT THIS TIME. SEVERE
THUNDERSTORM WATCH ALSO ISSUED AND IN EFFECT UNTIL 9 PM.

MODELS IN GOOD AGREEMENT ABOUT WHAT WILL HAPPEN AFTER THIS
EVENING...SO THE MAIN FORECAST PROBLEM IS THIS EVENINGS POPS.  WILL
KEEP POPS HIGH ON THE LA SIDE OF AREA AS TSTMS MAY PERSIST PAST
6 PM... ESPECIALLY MLU.

AS FOR EXTENDED...MRF AND 93-5P CHARTS FAIRLY CLOSE...AND BOTH HAVE
SOME CHANCES FOR RAIN FRIDAY THROUGH SUNDAY. NO BIG REASON TO DIGRESS
AWAY FROM GUIDANCE THIS TIME.

TXK 40/56/35/64  1000
TYR 37/60/40/67  0000
LFK 41/61/37/68  2000
SHV 43/60/35/66  4000
MLU 44/57/35/65  6000

17

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 2, 2:45 PM CSTSevere Thunderstorm WarningSHVWood50 min
Mar 2, 2:58 PM CSTSevere Thunderstorm WarningSHVFranklin32 min
Mar 2, 3:08 PM CSTSevere Thunderstorm WarningSHVCamp32 min
Mar 2, 3:20 PM CSTSevere Thunderstorm WarningSHVMorris, Upshur45 min
Mar 2, 3:34 PM CSTSevere Thunderstorm WarningSHVGregg31 min
Mar 2, 3:38 PM CSTSevere Thunderstorm WarningSHVCass, Harrison, Marion62 min
Mar 2, 3:41 PM CSTSevere Thunderstorm WarningSHVSmith34 min
Mar 2, 3:51 PM CSTSevere Thunderstorm WarningSHVRusk, Smith44 min
Mar 2, 3:58 PM CSTSevere Thunderstorm WarningSHVPanola47 min
Mar 2, 4:41 PM CSTSevere Thunderstorm WarningSHVHarrison34 min
Mar 2, 4:43 PM CSTSevere Thunderstorm WarningSHVPanola47 min
Mar 2, 4:55 PM CSTSevere Thunderstorm WarningSHVShelby65 min
Mar 2, 5:11 PM CSTSevere Thunderstorm WarningSHVNacogdoches49 min
Mar 2, 5:32 PM CSTTornado WarningSHVNacogdoches, San Augustine, Shelby33 min
Mar 2, 5:57 PM CSTTornado WarningSHVSan Augustine33 min
Mar 2, 4:19 PM CSTSevere Thunderstorm WarningSHVBossier51 min
Mar 2, 4:29 PM CSTSevere Thunderstorm WarningSHVCaddo41 min
Mar 2, 4:37 PM CSTSevere Thunderstorm WarningSHVWebster48 min
Mar 2, 5:00 PM CSTSevere Thunderstorm WarningSHVClaiborne65 min
Mar 2, 5:08 PM CSTSevere Thunderstorm WarningSHVBossier, Caddo62 min
Mar 2, 5:24 PM CSTSevere Thunderstorm WarningSHVDe Soto56 min
Mar 2, 5:41 PM CSTSevere Thunderstorm WarningSHVBienville, Red River64 min
Mar 2, 5:49 PM CSTSevere Thunderstorm WarningSHVLincoln51 min
Mar 2, 5:52 PM CSTSevere Thunderstorm WarningSHVUnion63 min
Mar 2, 3:54 PM CSTSevere Thunderstorm WarningSHVMiller46 min
Mar 2, 4:15 PM CSTSevere Thunderstorm WarningSHVLafayette45 min
Mar 2, 4:40 PM CSTSevere Thunderstorm WarningSHVColumbia50 min

Nearby

Severe Thunderstorm Warnings in Texas, 1999Every severe thunderstorm warning in 1999

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.