Alert archive / Arkansas / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 95, NWS Shreveport, LA

May 9, 1989Hempstead County, Nevada County, Arkansas

NWS Shreveport, LA issued this severe thunderstorm warning at May 9, 1989, 1:48 AM CDT for Hempstead County, Nevada County, Arkansas. It was in force for 57 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 9, 1989, 1:48 AM CDT (06:48 UTC)
Expired
May 9, 1989, 2:45 AM CDT
In force
57 min
Issued by
NWS Shreveport, LA
Area
Whole counties

Counties Hempstead County, AR, Nevada County, AR

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

TimeReportWhereRemark
May 9, 2:17 AM CDTHail 1Hempstead, AR
May 9, 2:20 AM CDTHail 1Nevada, AR
May 9, 2:28 AM CDTHail 0.88Nevada, AR
May 9, 2:35 AM CDTThunderstorm Wind 61Hempstead, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 6.8 hours before the alert went out and 349 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 00:00Z on 1989-05-09Temperature 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, Little Rock, AR at 00:00Z on 1989-05-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 61 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
3611 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
61 m²/s²
0-3 km storm-relative helicity
336 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 Shreveport, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 9, 4:47 AM CDTSevere Thunderstorm WarningSHVJackson, Lincoln, Ouachita58 min
May 9, 4:47 AM CDTSevere Thunderstorm WarningSHVRichland58 min
May 9, 9:45 AM CDTSevere Thunderstorm WarningSHVCaddo90 min
May 9, 9:45 AM CDTSevere Thunderstorm WarningSHVBossier90 min
May 9, 10:58 AM CDTSevere Thunderstorm WarningSHVBienville, Bossier, Jackson, Webster92 min
May 9, 10:58 AM CDTSevere Thunderstorm WarningSHVCaddo92 min
May 9, 11:13 AM CDTSevere Thunderstorm WarningSHVNatchitoches, Red River, Winn77 min
May 9, 9:15 AM CDTSevere Thunderstorm WarningSHVCass75 min
May 9, 2:22 PM CDTSevere Thunderstorm WarningSHVHarrison, Panola, Rusk68 min
May 9, 2:22 PM CDTSevere Thunderstorm WarningSHVGregg68 min
May 9, 12:53 AM CDTSevere Thunderstorm WarningSHVHoward, Pike67 min
May 9, 2:45 AM CDTSevere Thunderstorm WarningSHVColumbia45 min
May 9, 6:39 AM CDTSevere Thunderstorm WarningSHVLittle River51 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 1989Every severe thunderstorm warning in 1989

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.