Alert archive / Arkansas / Tornado Warnings in 1999

Tornado Warning 59, NWS Little Rock, AR

April 3, 1999Lonoke County, Arkansas

NWS Little Rock, AR issued this tornado warning at Apr 3, 1999, 5:32 PM CST for Lonoke County, Arkansas. It was in force for 33 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
Apr 3, 1999, 5:32 PM CST (23:32 UTC)
Expired
Apr 3, 1999, 6:05 PM CST
In force
33 min
Issued by
NWS Little Rock, AR
Area
Whole counties

County Lonoke County, AR

The radar

The Little Rock radar (KLZK), 35 km from the middle of the area, began a volume at 23:33 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

TimeReportWhereRemark
Apr 3, 5:32 PM CSTTornado F1Tomberlin, AR

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
Apr 3, 4:00 PM CSTTornado WatchSPC5 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 11.5 hours before the alert went out and 177 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, Little Rock, AR at 12:00Z on 1999-04-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1517 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, Little Rock, AR at 12:00Z on 1999-04-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 257 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
1517 J/kg
Mixed-layer CIN
-60 J/kg
Mixed-layer LCL
646 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
257 m²/s²
0-3 km storm-relative helicity
275 m²/s²
Significant tornado parameter
1.8
Supercell composite
10.5

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 2, 9:24 PM CSTSevere Thunderstorm WarningLZKPolk36 min
Apr 2, 9:31 PM CSTSevere Thunderstorm WarningLZKScott34 min
Apr 2, 10:02 PM CSTSevere Thunderstorm WarningLZKYell48 min
Apr 2, 10:50 PM CSTSevere Thunderstorm WarningLZKYell35 min
Apr 2, 11:03 PM CSTSevere Thunderstorm WarningLZKPope47 min
Apr 2, 11:43 PM CSTSevere Thunderstorm WarningLZKConway32 min
Apr 3, 12:05 AM CSTSevere Thunderstorm WarningLZKVan Buren50 min
Apr 3, 1:04 AM CSTSevere Thunderstorm WarningLZKIzard46 min
Apr 3, 1:31 AM CSTSevere Thunderstorm WarningLZKSharp49 min
Apr 3, 3:04 AM CSTSevere Thunderstorm WarningLZKIndependence51 min
Apr 3, 4:51 AM CSTSevere Thunderstorm WarningLZKBoone49 min
Apr 3, 5:30 AM CSTSevere Thunderstorm WarningLZKMarion50 min
Apr 3, 6:36 AM CSTSevere Thunderstorm WarningLZKIndependence49 min
Apr 3, 7:47 AM CSTFlash Flood WarningLZKBoone, Newton3 hr
Apr 3, 12:24 PM CSTSevere Thunderstorm WarningLZKPolk, Scott51 min
Apr 3, 1:03 PM CSTSevere Thunderstorm WarningLZKLogan57 min
Apr 3, 1:18 PM CSTSevere Thunderstorm WarningLZKScott32 min
Apr 3, 1:38 PM CSTSevere Thunderstorm WarningLZKJohnson47 min
Apr 3, 1:54 PM CSTSevere Thunderstorm WarningLZKIzard, Stone31 min
Apr 3, 2:19 PM CSTSevere Thunderstorm WarningLZKBoone46 min
Apr 3, 2:41 PM CSTSevere Thunderstorm WarningLZKNewton49 min
Apr 3, 3:02 PM CSTSevere Thunderstorm WarningLZKFulton33 min
Apr 3, 3:13 PM CSTSevere Thunderstorm WarningLZKConway, Perry47 min
Apr 3, 3:19 PM CSTSevere Thunderstorm WarningLZKMarion, Searcy51 min
Apr 3, 3:26 PM CSTSevere Thunderstorm WarningLZKDallas, Ouachita49 min
Apr 3, 4:03 PM CSTSevere Thunderstorm WarningLZKHot Spring32 min
Apr 3, 4:09 PM CSTSevere Thunderstorm WarningLZKOuachita36 min
Apr 3, 4:16 PM CSTSevere Thunderstorm WarningLZKDallas34 min
Apr 3, 4:19 PM CSTSevere Thunderstorm WarningLZKCalhoun51 min
Apr 3, 4:27 PM CSTSevere Thunderstorm WarningLZKGrant48 min
Apr 3, 4:37 PM CSTSevere Thunderstorm WarningLZKIndependence, White48 min
Apr 3, 4:39 PM CSTSevere Thunderstorm WarningLZKDallas51 min
Apr 3, 4:41 PM CSTSevere Thunderstorm WarningLZKBradley49 min
Apr 3, 4:47 PM CSTSevere Thunderstorm WarningLZKJefferson48 min
Apr 3, 4:49 PM CSTSevere Thunderstorm WarningLZKPulaski, Saline51 min
Apr 3, 5:16 PM CSTFlash Flood WarningLZKPulaski119 min
Apr 3, 5:23 PM CSTSevere Thunderstorm WarningLZKLonoke47 min
Apr 3, 5:46 PM CSTTornado WarningLZKPrairie34 min
Apr 3, 5:59 PM CSTSevere Thunderstorm WarningLZKMonroe, Prairie, Woodruff51 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.