Alert archive / Arkansas / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 49, NWS Little Rock, AR

May 14, 1986Yell County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at May 14, 1986, 10:38 PM CDT for Yell County, Arkansas. It was in force for 67 min.

The area

The counties it named.

The facts

Issued
May 14, 1986, 10:38 PM CDT (03:38 UTC)
Expired
May 14, 1986, 11:45 PM CDT
In force
67 min
Issued by
NWS Little Rock, AR
Area
Whole counties

County Yell County, AR

The radar

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

The nearest sounding before it

Springfield, MO (KUMN), launched 00:00Z, 3.6 hours before the alert went out and 214 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 00:00Z on 1986-05-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1003 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, Springfield, MO at 00:00Z on 1986-05-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 48 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
1003 J/kg
Mixed-layer CIN
-29 J/kg
Mixed-layer LCL
1217 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
48 m²/s²
0-3 km storm-relative helicity
75 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.2

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 14, 11:03 PM CDTSevere Thunderstorm WarningLZKPope57 min
May 14, 11:34 PM CDTSevere Thunderstorm WarningLZKSearcy, Van Buren56 min
May 14, 11:34 PM CDTSevere Thunderstorm WarningLZKMarion56 min
May 15, 2:09 AM CDTSevere Thunderstorm WarningLZKClark, Montgomery66 min
May 15, 2:25 AM CDTSevere Thunderstorm WarningLZKYell65 min
May 15, 2:32 AM CDTSevere Thunderstorm WarningLZKGarland, Hot Spring58 min
May 15, 2:32 AM CDTSevere Thunderstorm WarningLZKPerry58 min
May 15, 8:50 AM CDTSevere Thunderstorm WarningLZKNewton, Searcy55 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 1986Every severe thunderstorm warning in 1986

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.