Alert archive / Arkansas / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 49, NWS Shreveport, LA
NWS Shreveport, LA issued this severe thunderstorm warning at Apr 4, 1986, 9:20 PM CST for Nevada County, Arkansas. It was in force for 65 min.
The area
The counties it named.
The facts
- Issued
- Apr 4, 1986, 9:20 PM CST (03:20 UTC)
- Expired
- Apr 4, 1986, 10:25 PM CST
- In force
- 65 min
- Issued by
- NWS Shreveport, LA
- Area
- Whole counties
County Nevada 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, 3.3 hours before the alert went out and 189 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
- 2157 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 1179 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 76 m²/s²
- 0-3 km storm-relative helicity
- 149 m²/s²
- Significant tornado parameter
- 1.0
- Supercell composite
- 5.7
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 4, 4:13 PM CST, 5 hours 7 minutes before
NEWSPSSHV SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 410 PM CST FRI APR 4 1986 A TORNADO WATCH REMAINS IN EFFECT FOR A LARGE AREA INCLUDING SOUTH EAST OKLAHOMA..WEST CENTRAL AND SOUTHWEST ARKANSAS AND MUCH OF NORTH CENTRAL AND NORTHEAST TEXAS. OVER THE PAST HOUR SMALL HAIL REPORTED IN STRONG THUNDERSTORM NORTH OF NASHVILLE ARKANSAS...BRIEF HEAVY RAINFALL AND GUSTY WINDS WITH THUNDER STORMS OVER SOUTHWEST ARKANAS AND EXTREME NORTHEAST TEXAS AND EXTREME SOUTHEAST OKLAHOMA. ISOLATED STRONG THUNDERSTORMS WERE OCCURRING OVER SOUTHWEST ARKANSAS AND EXTEME NORTHEAST TEXAS FROM SOUTHWEST OF HOT SPRINGS TO NORTH OF NASSVILLE TO NEAR DEKALB TEXAS. MOVMENT WAS NORTHEAST AT 30 MPH. THESE STORMS WERE AHEAD OF A BAND OF VERY STRONG THUNDERSTORMS THAT WERE SPREADING EAST ACROSS NORTH TEXAS AND SOUTHEAST OKLAHONA. THE BAND WAS LOCATED AT 410 PM FROM 40 MILEA NORTH OF IDABEL OKLAHOMA TO SOUTHWEST OF HUGO TO NEAR DALLAS TEXAS. AREAL COVERAGE OF STRONG THUNDERSTORMS WILL CONTINUE TO INCREASE OVER THE NORTHWEST HALF OF THE ARKLATEX THIS EVENING INTO THE SOUTHEAST PART OF OKLAHOMA..A FEW SEVERE STORMS ARE LIKELY. ALSO...ADDITIONAL HEAVY RAINFALL WmILL OCCUR TONIGHT OVER THE SAME AREA WHERE TWO TO OVER FIVE INCHES FELL THURSDAY NIGHT...THUS FLOODING MAY DEVELOP LATER THIS EVENING..AS AREA STREAMS ARE NOW RUNNING HIGH.
The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 4, 6:25 PM CST | Tornado Warning | SHV | Hempstead | 65 min |
| Apr 4, 7:10 PM CST | Tornado Warning | SHV | Lafayette, Miller | 60 min |
| Apr 4, 7:10 PM CST | Tornado Warning | SHV | Nevada | 60 min |
| Apr 4, 7:30 PM CST | Severe Thunderstorm Warning | SHV | Little River | 70 min |
| Apr 4, 7:30 PM CST | Severe Thunderstorm Warning | SHV | Hempstead | 70 min |
| Apr 4, 7:50 PM CST | Tornado Warning | SHV | Nevada | 60 min |
| Apr 4, 8:10 PM CST | Severe Thunderstorm Warning | SHV | Lafayette, Miller | 80 min |
| Apr 4, 8:10 PM CST | Severe Thunderstorm Warning | SHV | Columbia, Nevada | 80 min |
| Apr 4, 8:30 PM CST | Severe Thunderstorm Warning | SHV | Hempstead, Howard, Pike | 60 min |
| Apr 4, 9:20 PM CST | Severe Thunderstorm Warning | SHV | Hempstead, Howard, Little River | 65 min |
| Apr 4, 9:50 PM CST | Severe Thunderstorm Warning | SHV | Sevier | 65 min |
| Apr 5, 2:25 AM CST | Flash Flood Warning | SHV | Hempstead, Howard, Little River, Sevier | 3 hr |
| Apr 5, 2:25 AM CST | Flash Flood Warning | SHV | Pike | 3 hr |
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.