Alert archive / Arkansas / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 35, NWS Shreveport, LA
NWS Shreveport, LA issued this severe thunderstorm warning at Apr 4, 1986, 4:30 AM CST for Howard County, Sevier 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
Counties Howard County, AR, Sevier 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 194 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.
- 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
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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</html>The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 3, 7:45 PM CST | Severe Thunderstorm Warning | SHV | Harrison, Marion | 65 min |
| Apr 3, 7:45 PM CST | Severe Thunderstorm Warning | SHV | Gregg | 65 min |
| Apr 4, 12:25 AM CST | Flash Flood Warning | SHV | Bowie | 3 hr |
| Apr 4, 4:45 PM CST | Severe Thunderstorm Warning | SHV | Bowie | 65 min |
| Apr 4, 4:54 PM CST | Tornado Warning | SHV | Bowie | 61 min |
| Apr 4, 5:10 PM CST | Severe Thunderstorm Warning | SHV | Gregg, Harrison | 60 min |
| Apr 4, 5:10 PM CST | Severe Thunderstorm Warning | SHV | Marion | 60 min |
| Apr 4, 12:25 AM CST | Flash Flood Warning | SHV | Howard | 3 hr |
| Apr 4, 4:30 AM CST | Severe Thunderstorm Warning | SHV | Pike | 60 min |
| Apr 4, 4:20 PM CST | Severe Thunderstorm Warning | SHV | Pike | 55 min |
| Apr 4, 4:48 PM CST | Tornado Warning | SHV | Pike | 32 min |
| Apr 4, 5:50 PM CST | Tornado Warning | SHV | Howard, Little River, Sevier | 70 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.