Alert archive / Arkansas / Tornado Warnings in 1999

Tornado Warning 61, NWS Little Rock, AR

April 3, 1999Bradley County, Arkansas

NWS Little Rock, AR issued this tornado warning at Apr 3, 1999, 6:32 PM CST for Bradley County, Arkansas. It was in force for 33 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
Apr 3, 1999, 6:32 PM CST (00:32 UTC)
Expired
Apr 3, 1999, 7:05 PM CST
In force
33 min
Issued by
NWS Little Rock, AR
Area
Whole counties

County Bradley County, AR

The radar

The Little Rock radar (KLZK), 153 km from the middle of the area, began a volume at 00:32 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.

IssuedProductOfficeLasted
Apr 3, 4:00 PM CSTTornado WatchSPC5 hr

The nearest sounding before it

Shreveport, LA (KSHV), launched 00:00Z, 0.5 hours before the alert went out and 184 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 00:00Z on 1999-04-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 00:00Z on 1999-04-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -229 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
669 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
-229 m²/s²
0-3 km storm-relative helicity
-122 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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.

The office that day

Everything else NWS Little Rock, AR issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 3, 6:02 PM CSTSevere Thunderstorm WarningLZKArkansas48 min
Apr 3, 6:13 PM CSTSevere Thunderstorm WarningLZKBradley, Calhoun47 min
Apr 4, 4:54 PM CDTSevere Thunderstorm WarningLZKOuachita46 min
Apr 4, 5:35 PM CDTSevere Thunderstorm WarningLZKClark, Dallas50 min
Apr 4, 6:00 PM CDTSevere Thunderstorm WarningLZKPolk35 min
Apr 4, 6:08 PM CDTSevere Thunderstorm WarningLZKClark, Pike32 min
Apr 4, 6:35 PM CDTTornado WarningLZKClark, Pike50 min
Apr 4, 6:51 PM CDTSevere Thunderstorm WarningLZKLogan49 min

Nearby

Tornado Warnings in Arkansas, 1999Every tornado warning in 1999Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.