Alert archive / Arkansas / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 110, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Aug 2, 1986, 3:42 AM CDT for Logan County, Polk County, Scott County, Arkansas. It was in force for 58 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Aug 2, 1986, 3:42 AM CDT (08:42 UTC)
- Expired
- Aug 2, 1986, 4:40 AM CDT
- In force
- 58 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
Counties Logan County, AR, Polk County, AR, Scott County, AR
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 2, 4:30 AM CDT | Thunderstorm Wind 0 | Logan, AR |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Springfield, MO (KUMN), launched 00:00Z, 8.7 hours before the alert went out and 228 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
- 542 J/kg
- Mixed-layer CIN
- -122 J/kg
- Mixed-layer LCL
- 2282 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 56 m²/s²
- 0-3 km storm-relative helicity
- 130 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KFSM 020842 SVRFSM ARC047-071-083-113-127-020940- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE FORT SMITH AR 342 AM CDT SAT AUG 2 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 440 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF ARK........FRANKLIN...JOHNSON...LOGAN...POLK AND SCOTT AT 340 AM CDT THE FORT SMITH RADAR INDICATED A CLUSTER OF SEVERE THUNDERSTORMS IN THESE COUNTIES...MOVING TO THE SOUTHEAST AROUND 30 MPH. THIS STORM MAY PRODUCE LOCALIZED AREAS OF FLOODING AS IT MOVES ACROSS YOUR AREA. TAKE ALL NECESSARY PRECAUTIONS. DANGEROUS LIGHTNING..LARGE HAIL AND STRONG AND POTENTIALLY DAMAGING WINDS ARE LIKELY WITH THIS STORM. GO TO A SAFE PLACE IMMEDIATELY. IF YOU OSBSERVE ANY LARGE HAIL OR STRONG WINDS PLEASE RELAY YOUR REPORT TO THE NEAREST LAW ENFORCEMENT AGENCY. STAY TUNED TO NOAA WEATHER RADIO OR LOCAL RADIO OR TELEVISION STATIONS FOR MORE INFORMATION.
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, Aug 2, 12:04 AM CDT, 3 hours 38 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 1150 PM CDT FRI AUG 1 1986 AT 1155 PM CDT TULSA WEATHER RADAR INDICATED HEAVY TO VERY HEAVY THUNDERSTORMS MOVING OVER CREEK AND TULSA COUNTIES.` GUSTY WINDS 40 TO 50 MPH, VERY HEAVY RAIN AND POSSIBLE HAIL CAN BE EXPECTED WITH THESE THUNDERSTORMS AS THEY MOVE SOUTHEAST AT 40 MPH OVER NORTHEAST OKLAHOMA DURING THE NEXT 2 T0 3 HOURS. .
Local storm report, Aug 2, 1:42 AM CDT, 2 hours before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
130 AM CDT SAT AUG 2 1986
TIME/CDT COUNTY EVENT (CD=CIVIL DEFENSE OHP=OK HIGHWAY PAT'L)
1055 PM PAWNEE WIND GUST TO 60 MPH JUST SOUTH OF CLEVELAND, OK
SOME POWER LINES DOWN. CLEVELAND PD
1130 PM CREEK HIGH WINDS WITH SEVERAL TREES DOWN IN
BRISTOW, OK. BRISTOW PD
BETWEEN 1030 AND 1156 PM THERE WERE SEVERAL
REPORTS OF GUSTY WINDS 30 TO 50 MPH, SMALL HAIL
AND DAMAGE DUE TO LIGHTING OVER SOUTHERN OSAGE,
PAWNEE, CREEK, AND TULSA COUNTIES.The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 1:42 AM CDT | Severe Thunderstorm Warning | TSA | Benton, Washington | 58 min |
| Aug 2, 2:07 AM CDT | Severe Thunderstorm Warning | TSA | Crawford, Madison | 58 min |
| Aug 2, 2:07 AM CDT | Severe Thunderstorm Warning | TSA | Sebastian | 58 min |
| Aug 2, 2:40 AM CDT | Severe Thunderstorm Warning | TSA | Logan, Scott | 60 min |
| Aug 2, 2:40 AM CDT | Severe Thunderstorm Warning | TSA | Franklin | 60 min |
| Aug 2, 3:02 AM CDT | Severe Thunderstorm Warning | TSA | Polk | 58 min |
| Aug 2, 3:02 AM CDT | Severe Thunderstorm Warning | TSA | Johnson | 58 min |
| Aug 2, 3:42 AM CDT | Severe Thunderstorm Warning | TSA | Franklin, Johnson | 58 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.