Alert archive / Arkansas / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 105, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Aug 2, 1986, 2:07 AM CDT for Sebastian 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, 2:07 AM CDT (07:07 UTC)
- Expired
- Aug 2, 1986, 3:05 AM CDT
- In force
- 58 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
County Sebastian 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, 2:23 AM CDT | Thunderstorm Wind 52 | Sebastian, 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, 7.1 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
- 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
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, Aug 2, 12:04 AM CDT, 2 hours 3 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, 25 minutes 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 1, 10:36 PM CDT | Severe Thunderstorm Warning | TSA | Osage, Pawnee | 54 min |
| Aug 1, 10:57 PM CDT | Severe Thunderstorm Warning | TSA | Creek, Tulsa | 63 min |
| Aug 2, 1:42 AM CDT | Severe Thunderstorm Warning | TSA | LeFlore, Sequoyah | 58 min |
| 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, 2:40 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 | Logan, Polk, Scott | 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.