Alert archive / Arkansas / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 23, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at May 5, 1987, 8:27 PM CDT for Franklin County, Logan County, Arkansas. It was in force for 63 min.
The area
The counties it named.
The facts
- Issued
- May 5, 1987, 8:27 PM CDT (01:27 UTC)
- Expired
- May 5, 1987, 9:30 PM CDT
- In force
- 63 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
Counties Franklin County, AR, Logan 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
Springfield, MO (KUMN), launched 00:00Z, 1.5 hours before the alert went out and 171 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
- 360 J/kg
- Mixed-layer CIN
- -89 J/kg
- Mixed-layer LCL
- 1259 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 58 m²/s²
- 0-3 km storm-relative helicity
- 124 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KFSM 060127
SVRFSM
ARC007-047-083-060230-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE FORT SMITH AR
827 PM CDT TUE MAY 5 1987
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 930 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN WEST ARKANSAS
...BENTON...FRANKLIN...LOGAN
RADAR INDICATED A LINE OF STRONG THUNDERSTORMS FROM NEAR BENTONVILLE
ARKANSAS TO 15 MILES SOUTHWEST OF BOONEVILLE ARKANSAS MOVING EAST AT
15 MILES AN HOUR.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.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
Local storm report, May 5, 4:07 PM CDT, 4 hours 20 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA, OK
407 PM CDT TUE MAY 05 1987
TIME/CDT COUNTY EVENT (CD=CIVIL DEFENSE OHP=OK HIGHWAY PAT'L)
300 PM TULSA SMALL HAIL TO MARBLE SIZE REPORTED NEAR BROKEN
ARROW. REPORT FROM PD.
310 PM TULSA MARBLE SIZE HAIL REPORTED BY CIVIL DEFENSE IN
NORTHWEST PART OF TULSA CITY LIMITS ABOUT 2
MILES NORTHWEST OF TUL.
315 PM TU,LSA DIME TO NICKLE SIZE HAIL REPORTED IN NORTH
PART OF BROKEN ARROW. REPORT FROM HAM SPOTTERS.
333 PM TULSA HAIL 1/2 INCH IN DIAMETER REPORTED AT N.W.S
AT TULSA INTERNATIONAL AIRPORT.Special weather statement, May 5, 4:28 PM CDT, 3 hours 59 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA, OK 427 PM CDT TUE MAY 05 1987 AT 428 PM CDT TULSA RADAR WAS SHOWING A STRONG THUNDERSTORM IN THE EXTREME SOUTH PART OF ROGERS COUNTY MOVING TO THEP NORTHEAST AT 20 MPH. DURING THE LAST 30 MINUTES THIS STORM HAS DECREASE IN STRENGHT. A SEVERE THUNDERSTORM WATCH CONTINUES FOR A LARGE PART OF EASTERN OKLAHOMA UNTIL 8 PM CDT THIS EVENING.
Local storm report, May 5, 6:43 PM CDT, 1 hour 44 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA, OK
641 PM CDT TUE MAY 05 1987
TIME/CDT COUNTY EVENT (CD=CIVIL DEFENSE OHP=OK HIGHWAY PAT'L)
610 PM CHEROKEE NSSL CHASE TEAM REPORTED QUARTER SIZE ]HAIL AND
40 TO 50 MPH WIND.The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 5, 7:55 PM CDT | Severe Thunderstorm Warning | TSA | Crawford | 65 min |
| May 5, 8:27 PM CDT | Severe Thunderstorm Warning | TSA | Benton | 63 min |
| May 6, 3:12 PM CDT | Severe Thunderstorm Warning | TSA | Scott | 63 min |
Nearby
Severe Thunderstorm Warnings in Arkansas, 1987Every severe thunderstorm warning in 1987
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.