Alert archive / Arkansas / Tornado Warnings in 1999

Tornado Warning 94, NWS Little Rock, AR

May 17, 1999Pope County, Yell County, Arkansas

NWS Little Rock, AR issued this tornado warning at May 17, 1999, 4:23 PM CDT for Pope County, Yell County, Arkansas. It was in force for 47 min. 4 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
May 17, 1999, 4:23 PM CDT (21:23 UTC)
Expired
May 17, 1999, 5:10 PM CDT
In force
47 min
Issued by
NWS Little Rock, AR
Area
Whole counties

Counties Pope County, AR, Yell County, AR

The radar

The Little Rock radar (KLZK), 98 km from the middle of the area, began a volume at 21:26 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
May 17, 4:25 PM CDTHail 0.75Dardanelle, AR
May 17, 4:30 PM CDTHail 1Russellville, AR
May 17, 4:30 PM CDTThunderstorm Wind 50Russellville, AR
May 17, 4:30 PM CDTThunderstorm Wind 50Hector, 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
May 17, 11:30 AM CDTSevere Thunderstorm WatchSPC6 hr
May 17, 3:30 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 9.4 hours before the alert went out and 193 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, Springfield, MO at 12:00Z on 1999-05-17Temperature 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, Springfield, MO at 12:00Z on 1999-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -88 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
1332 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
-88 m²/s²
0-3 km storm-relative helicity
-53 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
May 17, 3:57 AM CDTSevere Thunderstorm WarningLZKBoone, Newton63 min
May 17, 3:57 AM CDTSevere Thunderstorm WarningLZKJohnson63 min
May 17, 11:26 AM CDTSevere Thunderstorm WarningLZKBoone64 min
May 17, 12:06 PM CDTSevere Thunderstorm WarningLZKMarion64 min
May 17, 12:17 PM CDTSevere Thunderstorm WarningLZKBaxter33 min
May 17, 12:54 PM CDTSevere Thunderstorm WarningLZKJohnson51 min
May 17, 1:12 PM CDTSevere Thunderstorm WarningLZKBaxter, Stone48 min
May 17, 1:46 PM CDTSevere Thunderstorm WarningLZKIzard49 min
May 17, 2:09 PM CDTSevere Thunderstorm WarningLZKSharp51 min
May 17, 3:07 PM CDTFlash Flood WarningLZKJohnson2 hr
May 17, 3:26 PM CDTSevere Thunderstorm WarningLZKPolk49 min
May 17, 3:35 PM CDTSevere Thunderstorm WarningLZKLogan50 min
May 17, 3:38 PM CDTFlash Flood WarningLZKLogan2 hr
May 17, 4:15 PM CDTSevere Thunderstorm WarningLZKJohnson, Pope50 min
May 17, 4:18 PM CDTSevere Thunderstorm WarningLZKPerry, Saline67 min
May 17, 4:50 PM CDTSevere Thunderstorm WarningLZKConway65 min
May 17, 4:56 PM CDTSevere Thunderstorm WarningLZKVan Buren64 min
May 17, 4:57 PM CDTSevere Thunderstorm WarningLZKSaline63 min
May 17, 5:10 PM CDTSevere Thunderstorm WarningLZKFaulkner, White65 min
May 17, 5:16 PM CDTSevere Thunderstorm WarningLZKGarland, Montgomery64 min
May 17, 5:19 PM CDTSevere Thunderstorm WarningLZKPulaski61 min
May 17, 5:27 PM CDTSevere Thunderstorm WarningLZKCleburne63 min
May 17, 5:29 PM CDTSevere Thunderstorm WarningLZKWhite66 min
May 17, 5:46 PM CDTSevere Thunderstorm WarningLZKHot Spring49 min
May 17, 5:49 PM CDTSevere Thunderstorm WarningLZKGrant51 min
May 17, 5:52 PM CDTSevere Thunderstorm WarningLZKJackson63 min
May 17, 6:01 PM CDTSevere Thunderstorm WarningLZKLonoke64 min
May 17, 6:06 PM CDTSevere Thunderstorm WarningLZKWoodruff64 min
May 17, 6:07 PM CDTSevere Thunderstorm WarningLZKIndependence63 min
May 17, 6:17 PM CDTSevere Thunderstorm WarningLZKJefferson63 min
May 17, 6:20 PM CDTSevere Thunderstorm WarningLZKClark65 min
May 17, 6:22 PM CDTSevere Thunderstorm WarningLZKPrairie63 min
May 17, 6:29 PM CDTSevere Thunderstorm WarningLZKDallas66 min
May 17, 6:32 PM CDTSevere Thunderstorm WarningLZKPulaski48 min
May 17, 6:35 PM CDTSevere Thunderstorm WarningLZKWoodruff65 min
May 17, 6:37 PM CDTSevere Thunderstorm WarningLZKHot Spring48 min
May 17, 6:39 PM CDTSevere Thunderstorm WarningLZKCleveland66 min
May 17, 6:41 PM CDTSevere Thunderstorm WarningLZKWhite49 min
May 17, 6:56 PM CDTSevere Thunderstorm WarningLZKMonroe64 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.