Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 51, NWS Tulsa, OK

April 14, 1986LeFlore County, Oklahoma; Sebastian County, Arkansas

NWS Tulsa, OK issued this severe thunderstorm warning at Apr 14, 1986, 1:07 AM CST for LeFlore County, Oklahoma; Sebastian County, Arkansas. It was in force for 68 min. 3 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
Apr 14, 1986, 1:07 AM CST (07:07 UTC)
Expired
Apr 14, 1986, 2:15 AM CST
In force
68 min
Issued by
NWS Tulsa, OK
Area
Whole counties

Counties Sebastian County, AR, LeFlore County, OK

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
Apr 14, 1:19 AM CSTThunderstorm Wind 52Sebastian, AR
Apr 14, 1:45 AM CSTHail 1.75Le Flore, OK
Apr 14, 1:45 AM CSTHail 1.75Le Flore, OK

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

Springfield, MO (KUMN), launched 00:00Z, 7.1 hours before the alert went out and 215 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 1986-04-14Temperature 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 00:00Z on 1986-04-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 square meters per square second.1939587897117Sfc1 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
2255 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
353 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 Tulsa, OK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 13, 9:39 PM CSTSevere Thunderstorm WarningTSAOsage, Pawnee66 min
Apr 13, 10:24 PM CSTSevere Thunderstorm WarningTSACreek, Tulsa66 min
Apr 13, 10:24 PM CSTSevere Thunderstorm WarningTSANowata66 min
Apr 13, 10:47 PM CSTSevere Thunderstorm WarningTSACraig, Rogers58 min
Apr 13, 11:35 PM CSTSevere Thunderstorm WarningTSAOkmulgee, Wagoner55 min
Apr 13, 11:56 PM CSTSevere Thunderstorm WarningTSAMuskogee64 min
Apr 14, 12:09 AM CSTSevere Thunderstorm WarningTSACherokee66 min
Apr 14, 12:20 AM CSTSevere Thunderstorm WarningTSAMcIntosh55 min
Apr 14, 12:28 AM CSTSevere Thunderstorm WarningTSAHaskell62 min
Apr 14, 12:52 AM CSTSevere Thunderstorm WarningTSALeFlore, Sequoyah68 min
Apr 14, 1:19 AM CSTSevere Thunderstorm WarningTSAFranklin, Madison56 min
Apr 14, 1:19 AM CSTSevere Thunderstorm WarningTSAWashington56 min
Apr 14, 1:37 AM CSTSevere Thunderstorm WarningTSALogan, Scott68 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 1986Severe 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.