Alert archive / Arkansas / Flash Flood Warnings in 1986
Flash Flood Warning 2, NWS Shreveport, LA
NWS Shreveport, LA issued this flash flood warning at Apr 4, 1986, 12:25 AM CST for Howard County, Arkansas. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Apr 4, 1986, 12:25 AM CST (06:25 UTC)
- Expired
- Apr 4, 1986, 3:30 AM CST
- In force
- 3 hr
- Issued by
- NWS Shreveport, LA
- Area
- Whole counties
County Howard 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, 6.4 hours before the alert went out and 201 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
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSHV 040639 FFWSHV TXC037-ARC081-133-061-OKC089-040930- BULLETIN...EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE SHREVEPORT LA 1225 AM CST FRI APR 4 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 330 AM CST FOR PEOPLE IN THE FOLLOWING COUNTIES IN NORTHEAST TEXAS...NORTHWEST BOWIE SOUTHEAST OKLAHOMA...EXTREME SOUTHEAST MCCURTAIN SOUTHWEST ARKANSAS...LITTLE RIVER...SOUTHERN SEVIER AND SOUTHERN HOWARD AT 1225 AM CST THE NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT WAS SHW ING A BAND OF STRONG THUNDERSTORMS FROM THE GLEENWOOD/MURFREESBORO AREA OF SOUTHWEST ARKANSAS ACROSS THE NASHVILLE AREA TO FORMEN...ACROSS THE SOUTHEAST TIP OF OKLAHOMA...SOUTHEAST OF IDABEL...TO NORTHWEST OF DEKALB TEXAS TO SOUTHEAST OF CLARKSVILLE. VERY STRONG THUNDERSTORMS PRODUCING HEAVY RAINFALL...STRONG WINDS AND SPOTTY SMALL HAIL CONTINUED TO MOVE ACROSS THE SAME GENERAL AREA WITH IN THE BAND. INDICATIONS ARE THAT FROM TWO TO THREE INCHES OF RAIN HAS FALLEN OVER THE PAST THREE HOURS...AND STORM TOTALS MAY EXCEED FIVE INCHES AND LOW AREA FLOODING WILL DEVELOP...AFFECTING ROADWAYS. MOTORIEST ARE URGED NOT TO DRIVE THROUGH FLOODED ROADWAYS. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR THE NORTHWEST HALF OF THE ARKLATEX INTO SOUTHEAST OKLAHOMA...A FEW STORMS MAY YET PRODUCE SPOTTY LARGE HAIL AND HIGH WINDS. ELSEWHERE...ISOLATED SHOWERS WERE OCCURRING OVER SOUTHCENTRAL ARKANSAS FROM THE MAGNOLIA AREA INTO NORTHWEST LOUISIANA NORTHEAST OF THE SHREVEPORT AREA.
What forecasters said that day
The local office's own words before this flash flood 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, 6:31 PM CST, 5 hours 54 minutes before
NEWSPSSHV SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 630 PM CST THU APR 3 1986 ...STRONG AND POSSIBLE SEVERE STORMS EXPECTED TO AFFECT THE ARKLATEX TONIGHT... STRONG THUNDERSTOMS ARE ONGOING AT 630 PM FROM SOUTHCENTRAL OKLAHOMA SOUTHWARD ACROSS NORTHCENTRAL TEXAS..ALSO STRONG THUNDERSTORMS HAVE DEVELOPED OVER THE WESTERN SECTIONS OF NORTHEAST TEXAS. WARNINGS ARE IN EFFECT FOR A FEW COUNTIES IN NORTHCENTRAL AND NORTHEAST TEXAS... REFER TO BULLETINS ISSUED BY THE NATIONAL WEATHER FORECAST OFFICE IN FORT WORTH. AT 630 PM CST...VERY STRONG THUNDERSTORMS WERE INDICATED BY WEATHER SERVICE RADARS FROM EAST OF ARDMORE OKLAHOMA SOUTHWARD TO NEAR FORT WORTH..AND FROM SOUTH OF GREENVILLE TEXAS TTO 30 MILES WEST OF THE TYLER AREA TO 30 MILES OF LUFKIN. THE STORMS WERE MOVING TOWARD THE NORTHEAST. ADDITONAL STRONG THUNDERSTORM DEVELOPMENT WILL TAKE PLACE THIS EVENING AND AFFECT EXTREME SOUTHEAST OKLAHOMA..AND THE REMAINDER OF NORTHEAST TEXAS AND FINALLY SOUTHWEST ARKANSAS AND NORTHWEST LOUISIANA LATER TONIGHT.
Special weather statement, Apr 3, 11:19 PM CST, 1 hour 6 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, 10 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.
The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 4, 12:25 AM CST | Flash Flood Warning | SHV | Little River, Sevier | 3 hr |
| Apr 4, 4:30 AM CST | Severe Thunderstorm Warning | SHV | Howard, Sevier | 60 min |
| 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, 4:45 PM CST | Severe Thunderstorm Warning | SHV | Little River | 65 min |
| Apr 4, 4:48 PM CST | Tornado Warning | SHV | Pike | 32 min |
| Apr 4, 4:54 PM CST | Tornado Warning | SHV | Little River | 61 min |
| Apr 4, 5:50 PM CST | Tornado Warning | SHV | Howard, Little River, Sevier | 70 min |
Nearby
Flash Flood Warnings in Arkansas, 1986Every flash flood 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.