Alert archive / Arkansas / Tornado Warnings in 1999

Tornado Warning 85, NWS Little Rock, AR

May 4, 1999Saline County, Arkansas

NWS Little Rock, AR issued this tornado warning at May 4, 1999, 5:38 PM CDT for Saline County, Arkansas. It was in force for 42 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
May 4, 1999, 5:38 PM CDT (22:38 UTC)
Expired
May 4, 1999, 6:20 PM CDT
In force
42 min
Issued by
NWS Little Rock, AR
Area
Whole counties

County Saline County, AR

The radar

The Little Rock radar (KLZK), 43 km from the middle of the area, began a volume at 22:39 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
May 4, 3:00 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 10.6 hours before the alert went out and 250 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 1999-05-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 359 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 1999-05-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 120 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
359 J/kg
Mixed-layer CIN
-113 J/kg
Mixed-layer LCL
715 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
120 m²/s²
0-3 km storm-relative helicity
121 m²/s²
Significant tornado parameter
0.1
Supercell composite
3.1

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
May 4, 3:47 AM CDTSevere Thunderstorm WarningLZKPolk, Scott48 min
May 4, 5:24 AM CDTTornado WarningLZKLogan46 min
May 4, 5:44 AM CDTTornado WarningLZKJohnson51 min
May 4, 9:57 AM CDTSevere Thunderstorm WarningLZKPulaski48 min
May 4, 10:06 AM CDTSevere Thunderstorm WarningLZKLonoke49 min
May 4, 10:45 AM CDTSevere Thunderstorm WarningLZKWhite50 min
May 4, 1:33 PM CDTSevere Thunderstorm WarningLZKPolk, Scott47 min
May 4, 1:49 PM CDTTornado WarningLZKScott51 min
May 4, 3:48 PM CDTSevere Thunderstorm WarningLZKPolk, Scott47 min
May 4, 3:58 PM CDTTornado WarningLZKJohnson, Newton47 min
May 4, 4:18 PM CDTSevere Thunderstorm WarningLZKPike47 min
May 4, 4:43 PM CDTTornado WarningLZKPike37 min
May 4, 4:55 PM CDTTornado WarningLZKClark, Hot Spring50 min
May 4, 4:55 PM CDTTornado WarningLZKGarland50 min
May 4, 4:56 PM CDTSevere Thunderstorm WarningLZKMontgomery34 min
May 4, 5:01 PM CDTTornado WarningLZKJohnson, Logan, Pope49 min
May 4, 5:14 PM CDTSevere Thunderstorm WarningLZKPolk36 min
May 4, 5:19 PM CDTSevere Thunderstorm WarningLZKClark51 min
May 4, 5:46 PM CDTFlash Flood WarningLZKJohnson, Logan3 hr
May 4, 5:46 PM CDTFlash Flood WarningLZKBoone, Newton3 hr
May 4, 5:51 PM CDTTornado WarningLZKPope, Searcy49 min
May 4, 6:00 PM CDTSevere Thunderstorm WarningLZKFaulkner, Perry, Pulaski50 min
May 4, 6:04 PM CDTTornado WarningLZKClark31 min
May 4, 6:17 PM CDTTornado WarningLZKHot Spring48 min
May 4, 6:23 PM CDTTornado WarningLZKFaulkner, Pulaski37 min
May 4, 6:27 PM CDTSevere Thunderstorm WarningLZKBaxter, Marion48 min
May 4, 6:31 PM CDTTornado WarningLZKBaxter34 min
May 4, 6:48 PM CDTTornado WarningLZKGrant, Saline47 min
May 4, 6:53 PM CDTFlash Flood WarningLZKBaxter, Marion, Searcy3 hr
May 4, 6:53 PM CDTFlash Flood WarningLZKPope3 hr

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.