Alert archive / Arkansas / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 104, NWS Shreveport, LA

May 12, 1990Columbia County, Arkansas

NWS Shreveport, LA issued this severe thunderstorm warning at May 12, 1990, 1:32 PM CDT for Columbia County, Arkansas. It was in force for 58 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
May 12, 1990, 1:32 PM CDT (18:32 UTC)
Expired
May 12, 1990, 2:30 PM CDT
In force
58 min
Issued by
NWS Shreveport, LA
Area
Whole counties

County Columbia 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 12, 1:45 PM CDTHail 1Columbia, 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

Jackson, MS (KJAN), launched 12:00Z, 6.5 hours before the alert went out and 311 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, Jackson, MS at 12:00Z on 1990-05-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 7 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, Jackson, MS at 12:00Z on 1990-05-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 41 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
7 J/kg
Mixed-layer CIN
-159 J/kg
Mixed-layer LCL
604 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
41 m²/s²
0-3 km storm-relative helicity
82 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

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 Shreveport, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 12, 1:57 AM CDTSevere Thunderstorm WarningSHVBossier, Caddo48 min
May 12, 2:29 AM CDTSevere Thunderstorm WarningSHVClaiborne, Webster61 min
May 12, 2:48 AM CDTTornado WarningSHVDe Soto57 min
May 12, 5:13 AM CDTSevere Thunderstorm WarningSHVNatchitoches62 min
May 12, 5:57 AM CDTSevere Thunderstorm WarningSHVWinn63 min
May 12, 8:09 AM CDTSevere Thunderstorm WarningSHVDe Soto66 min
May 12, 8:49 AM CDTTornado WarningSHVSabine56 min
May 12, 9:23 AM CDTFlash Flood WarningSHVBossier, Caddo, Red River, Webster4 hr
May 12, 9:23 AM CDTFlash Flood WarningSHVDe Soto, Natchitoches, Sabine4 hr
May 12, 9:42 AM CDTTornado WarningSHVNatchitoches48 min
May 12, 10:45 AM CDTSevere Thunderstorm WarningSHVCaldwell, Winn60 min
May 12, 10:45 AM CDTSevere Thunderstorm WarningSHVOuachita60 min
May 12, 11:46 AM CDTSevere Thunderstorm WarningSHVCaddo, De Soto59 min
May 12, 11:46 AM CDTSevere Thunderstorm WarningSHVFranklin59 min
May 12, 12:25 PM CDTSevere Thunderstorm WarningSHVMadison, Tensas65 min
May 12, 12:41 PM CDTSevere Thunderstorm WarningSHVBienville, De Soto, Red River94 min
May 12, 1:30 PM CDTFlash Flood WarningSHVBienville, Bossier, Webster4 hr
May 12, 1:30 PM CDTFlash Flood WarningSHVDe Soto, Sabine4 hr
May 12, 1:30 PM CDTFlash Flood WarningSHVCaddo4 hr
May 12, 1:30 PM CDTFlash Flood WarningSHVNatchitoches, Red River4 hr
May 12, 1:50 PM CDTSevere Thunderstorm WarningSHVNatchitoches, Winn55 min
May 12, 2:44 PM CDTSevere Thunderstorm WarningSHVCaldwell, Winn61 min
May 12, 3:08 PM CDTFlash Flood WarningSHVWinn2 hr
May 12, 3:51 PM CDTSevere Thunderstorm WarningSHVFranklin, Tensas69 min
May 12, 6:48 PM CDTSevere Thunderstorm WarningSHVCaddo, De Soto57 min
May 12, 2:06 AM CDTSevere Thunderstorm WarningSHVPanola54 min
May 12, 2:20 AM CDTTornado WarningSHVPanola25 min
May 12, 9:23 AM CDTFlash Flood WarningSHVGregg, Harrison, Marion, Panola, Rusk4 hr
May 12, 9:23 AM CDTFlash Flood WarningSHVShelby4 hr
May 12, 10:45 AM CDTSevere Thunderstorm WarningSHVPanola, Rusk60 min
May 12, 11:33 AM CDTSevere Thunderstorm WarningSHVBowie, Cass57 min
May 12, 1:09 PM CDTSevere Thunderstorm WarningSHVBowie, Cass66 min
May 12, 5:09 PM CDTSevere Thunderstorm WarningSHVGregg, Harrison, Rusk66 min
May 12, 6:12 PM CDTSevere Thunderstorm WarningSHVHarrison, Panola, Rusk63 min
May 12, 6:36 PM CDTFlash Flood WarningSHVPanola, Rusk, Shelby3 hr

Nearby

Severe Thunderstorm Warnings in Arkansas, 1990Every severe thunderstorm warning in 1990

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.