Alert archive / Arkansas / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 36, NWS Shreveport, LA

April 4, 1986Pike County, Arkansas

NWS Shreveport, LA issued this severe thunderstorm warning at Apr 4, 1986, 4:30 AM CST for Pike County, Arkansas. It was in force for 60 min.

The area

The counties it named.

The facts

Issued
Apr 4, 1986, 4:30 AM CST (10:30 UTC)
Expired
Apr 4, 1986, 5:30 AM CST
In force
60 min
Issued by
NWS Shreveport, LA
Area
Whole counties

County Pike 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

Longview/Gregg, TX (KGGG), launched 00:00Z, 10.5 hours before the alert went out and 220 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, Longview/Gregg, TX at 00:00Z on 1986-04-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 895 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, Longview/Gregg, TX at 00:00Z on 1986-04-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 123 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
895 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
875 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
123 m²/s²
0-3 km storm-relative helicity
141 m²/s²
Significant tornado parameter
0.9
Supercell composite
5.0

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.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Apr 3, 11:19 PM CST, 5 hours 11 minutes before
NEWSPSSHV
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
1110 PM CST THU APR 4 1986

...A SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT FOR THE NORTHWEST
HALF OF THE ARKLATEX INTO THE SOUTHEAST CORNER OF OKLAHOMA...

THE WEATHER SERVICE RADAR IN SHREVEPORT CONTINUES TO INDICATE
A FEW VERY HEAVY THUNDERSTORMS ACROSS THE NORTHWEST SECTIONS OF
THE ARKLATEX.  THE STRONGEST STORMS WERE ALONG THE ARKANSAS TEXAS BORDER
NORTH OF NEW BOSTON TEXAS AND 15 MILES NORTH-NORTHEAST OF MT.
PLEASNAT TEXAS.  THE STORM NORTH OF NEW BOSTON CAUSED PEA SIZED HAIL
AT DEKALB TEXAS AT 1045 PM.

THESE STORMS WERE PART OF A LARGE AREA OF SHOWERS AND STRONG THUNDER-
STORMS THAT EXTENDED FROM MT. IDA...MURFREESBORRO AND TEXARKANA ARKANSAS
SOUTHWEST ACROSS THE SOUTHEAST CORNER OF OKLAHOMA THROUGH THE PARIS
TEXAS AREA TO NEAR GREENVILLE TEXAS.

THE OVERALL TREND OF STORM STRENGTH HAS SHOWN A DECREASE THE
PAST COUPLE OF HOURS BUT OTHER VERY STRONGS STORMS WILL MOVE INTO
THE EASTERN SECTIONS OF NORTHEAST TEXAS AND THE SOUTHEAST CORNER
OF OKLAHOMA INTO SOUTHWEST ARKANSAS LATER TONIGHT.

A FLASH FLOOD WATCH IS IN EFFECT FOR EXTREME NORTHEAST TEXAS.
SHOWERS AND HEAVY THUNDERSTORMS MOVING ACROSS THE SAME GENERAL
AREAS IN NORTHEAST TEXAS  AND THE SOUTHEAST CORNER OF OKLAHOMA
INTO SOUTHWEST ARKANSAS WILL RESULT IN VERY HEAVY RAINFALL TONIGHT.

THE STORMS WERE MOVING NORTHEAST 25 MPH.

ALSO INDICATE WAS A 15 MILE WIDE BAND OF SHOWES AND HEAVY THUNDER-
STORMS THAT EXTENDED FROM THE TEXAS BORDER SOUTHWEST OF SHREVEPORT
ACROSS CARTHAGE TEXAS TO 25 MILES NORTH OF NACOGDOCHES.
Special weather statement, Apr 4, 12:15 AM CST, 4 hours 15 minutes before
NEWSPSSHV
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
1210 AM CST FRI APR 4 1986

...A SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT ACROSS THE NORTH-
WEST HALF OF THE ARKLATEX INTO THE SOUTHEAST CORNER OF OKLAHOMA...

...A FLASH FLOOD WATCH IS IN EFFECT FOR EXTREME NORTHEAST TEXAS...

VERY STRONG THUNDEERSTORMS CONTINUE TO MOVE NORTHEAST THROUGH NORTHEAST
TEXAS ACROSS THE SOUTHEAST CORNER OF OKLAHOMA INTO SOUTHWEST ARKANSAS.

AT 1205 AM THE NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT INDICATED
SCATTERED VERY STRONG THUNDERSTORMS FROM SOUTHWEST OF DE QUEEN ARKANSAS
SOUTHWEST TO EAST OF IDABEL OKLAHOMA TO NEAR CLARKSVILLE TEXAS. THE
HEAVIEST STORMS WERE EAST OF IDABEL OKLAHOMA AND NEAR CLARKSVILLE
TEXAS.  THESE VERY STRONG STORMS WHICH WERE MOVING NORTHEAST 35 MPH
WILL LIKELY CAUSE STRONG TO HIGH WIND GUSTS AND HAIL AS THEY MOVE
ACROSS THE SOUTHERN SECTIONS OF
MC CURTAIN COUNTY OKLAHOMA INTO NORHTRERN SECTIONS SEVIER...LITTLE
RIVER AND HOWARD COUNTIES IN ARKANSAS OVER THE NEXT HOUR.

HEAVY RAINS OF 2 TO 4 INCHES HAS OCCURRED ACROSS NORTHERN SECTIONS
OF BOWIE COUNTY TEXAS INTO SOUTHERN SECTIONS OF MC CURTAIN COUNTY
OKLAHOMA AND NORTHEAST INTO SOUTHWEST ARKANSAS IN THE AREA BETWEEN
TEXARKANA AND MENA.  INTENSE THUNDERSTORMS WILL CONTINUE TO TRACK
NORTHEAST ACROSS THIS SAME GENERAL AREA TONIGHT RESULTING IN
VERY HEAVY RAINS.

THESE STRONG STORMS WERE PART OF A 40 TO 50 MILE WIDE AREA OF
SHOWERS AND THUNDERSTORMS THAT EXTENDED FROM CLARKSVILLE AND PARIS
TEXAS NORTHEAST ACROSS THE SOUTHEAST CORNER OF OKLAHOMA TO
BETWEEN ASHDOWN AND MENA ARKANSAS EAST TO MURFREESBORRO...HOPE AND
LEWISVILLE ARKANSAS.
Special weather statement, Apr 4, 3:18 AM CST, 1 hour 12 minutes before
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The office that day

Everything else NWS Shreveport, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 3, 7:45 PM CSTSevere Thunderstorm WarningSHVHarrison, Marion65 min
Apr 3, 7:45 PM CSTSevere Thunderstorm WarningSHVGregg65 min
Apr 4, 12:25 AM CSTFlash Flood WarningSHVBowie3 hr
Apr 4, 4:45 PM CSTSevere Thunderstorm WarningSHVBowie65 min
Apr 4, 4:54 PM CSTTornado WarningSHVBowie61 min
Apr 4, 5:10 PM CSTSevere Thunderstorm WarningSHVGregg, Harrison60 min
Apr 4, 5:10 PM CSTSevere Thunderstorm WarningSHVMarion60 min
Apr 4, 12:25 AM CSTFlash Flood WarningSHVHoward3 hr
Apr 4, 4:30 AM CSTSevere Thunderstorm WarningSHVHoward, Sevier60 min
Apr 4, 4:20 PM CSTSevere Thunderstorm WarningSHVPike55 min
Apr 4, 4:48 PM CSTTornado WarningSHVPike32 min
Apr 4, 5:50 PM CSTTornado WarningSHVHoward, Little River, Sevier70 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.