Alert archive / Arkansas / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 65, NWS Tulsa, OK

May 14, 1986Franklin County, Sebastian County, Arkansas

NWS Tulsa, OK issued this severe thunderstorm warning at May 14, 1986, 8:56 PM CDT for Franklin County, Sebastian County, Arkansas. It was in force for 64 min. 2 reports 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: May 14, 1986, 8:56 PM CDT (01:56 UTC)
Expired: May 14, 1986, 10:00 PM CDT
In force: 64 min
Issued by: NWS Tulsa, OK
Area: Whole counties

Counties Franklin County, AR, 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
May 14, 9:02 PM CDT	Hail 1.75	Sebastian, AR
May 14, 10:00 PM CDT	Hail 1.75	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, 1.9 hours before the alert went out and 174 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1003 J/kg
Mixed-layer CIN: -29 J/kg
Mixed-layer LCL: 1217 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 48 m²/s²
0-3 km storm-relative helicity: 75 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 1.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KFSM 150156
SVRFSM
ARC047-131-150300-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE FORT SMITH AR
856 PM CDT WED MAY 14 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 1000 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES OF

ARK........FRANKLIN AND SEBASTIAN

AT 855 PM A SEVERE THUNDERSTORM WAS INDICATED BY RADAR 2 MILES
NORTH OF GREENWOOD IN SEBASTIAN COUNTY ARKANSAS MOVING
NORTHEAST AT 30 MPH.

LARGE HAIL AND STRONG SURFACE WINDS WILL OCCUR WITH THIS STORM. IF
YOU OBSERVE ANY LARGE HAIL OR STRONG WINDS PLEASE RELAY YOUR
REPORT TO THE NEAREST LAW ENFORCEMENT AGENCY.

ALTHOUGH TORNADOES HAVE NOT BEEN DETEC%TED WITH THIS STORM..A TORNADO
WATCH REMAINS IN EFFECT. TORNADOES CAN DEVELOP WITHOUT WARNING FROM
SEVERE THUNDERSTORMS.

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 14, 3:54 PM CDT, 5 hours 2 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
330  PM CDT WED MAY 14 1986

 TIME           EVENT  (CD=CIVIL DEFENSE.  OHP=OKLA. HIGHWAY PATROL)
 1215  PM CDT   GOLFBALL SIZE HAIL REPORTED BY SPOTTERS AND PUBLIC
                IN EASTSIDE OF BARTLESVILLE OKLAHOMA.  WASHINGTON
                COUNTY.
 1228  PM CDT   GOLFBALL SIZE HAIL REPORTED IN EAST SECTIONS OF
                WASHINGTON COUNTY.  REPORT BY HAM SPOTTERS.
 1235  PM CDT   ROTATION SPOTTED IN WALL CLOUD SOUTHEAST OF
                BARTLESVILLE OKLAHOMA.  REPORTED BY POLICE.
 1238  PM CDT   MARBLE SIZE HAIL REPORTED MIDWAY BETWEEN COPEN AND
                WANN OKLAHOMA.  REPORT BY HAM SPOTTERS IN
                WASHINGTON COUNTY.
 1239 PM CDT    1/2 TO ONE HAIL REPORTED BY PUBLIC AND SPOTTERS
 1240 PM CDT    GOLFBALL SIZE HAIL REPORTED BY POLICE AND HAMS IN
                EASTERN PARTS OF BARTLESVILLE OKLAHOMA.  WASHINGTON CO.
 1245 PM CDT    ROTATION IN WALL CLOUD JUST WEST OF NOWATA OKLAHOMA.
                REPORTED BY HAM SPOTTERS.  NOWATA COUNTY.
 1248 PM CDT    SOFTBALL SIZE HAIL JUST EAST OF COPEN OKLAHOMA.
                REPORTED BY HAM SPOTTERS.  WASHINGTON COUNTY.
 1250 PM  CDT   WALL CLOUD INDICATED NORTHEAST OF BARTLESVILLE
                OKLAHOMA.  REPORTED BY SPOTTERS.  WASHINGTON CO.
 1254 PM  CDT   ROTATION IN WALL CLOUD NORTHWEST OF NOWATA OKLA-
                HOMA IN NOWATA COUNTY.  REPORT BY SPOTTERS.
  100 PM  CDT   A LOT OF HAIL DAMAGE REPORTED BY SPOTTERS IN
                THE AREA BETWEEN EASTERN BARTLESVILLE OKLAHOMA
                EXTENDING INTO WESTERN NOWATA COUNTY.  REPORT
                THROUGH HAM NETWORK.  WASHINGTON AND NOWATA CO.
  105 PM  CDT   WALL CLOUD SPOTTED ABOUT 5 TO 7 MILES EAST OF
                BARTLESVILLE, OKLAHOMA.  BY SPOTTERS IN EAST
                WASHINGTON COUNTY.

                ADDITIONAL REPORTS TO FOLLOW SHORTLY.

Local storm report, May 14, 4:26 PM CDT, 4 hours 30 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
405  PM CDT WED MAY 14 1986

 TIME           EVENT  (CD=CIVIL DEFENSE.  OHP=OKLA. HIGHWAY PATROL)
  128  PM CDT   POSSIBLE FUNNEL SPOTTED NEAR WANN OKLAHOMA.  REPORT
                BY HAM SPOTTERS.  NOWATA COUNTY.
  144  PM CDT   GOLFBALL SIZE HAIL REPORTED NEAR LENAPAH OKLAHOMA.
                REPORT FROM HAM SPOTTERS.  NOWATA COUNTY.
  200  PM CDT   FUNNEL CLOUD REPORTED BY SPOTTERS DUE SOUTH OF
                WANN OKLAHOMA.  REPORTED HAM SPOTTERS.  NOWATA CO.
  211  PM CDT   HEAVY ROTATION SEEN IN CLOUDS OVER WANN OKLAHOMA.
                REPORT BY SPOTTERS.  NOWATA COUNTY.
  213  PM CDT   TORNADO ON THE GROUND NORTH OF WANN OKLAHOMA.
                REPORTED BY SPOTTERS AND OKLAHOMA HIGHWAY PATROL.
                NOWATA COUNTY.
  215  PM CDT   FUNNEL CLOUD SIGHTED 48 DEGREES FROM INTERSECTION
                OF HIGHWAYS 99 AND 60.  SEEN BY SPOTTERS IN WASH-
                INGTON COUTY.  THIS IS THE WANN STORM.  NOWATA CO.
  223  PM CDT   SHERIFF DEPT. REPORTS SEVERAL POWER POLES AND LINES
                DOWN AROUND WANN OKLAHOMA.  NOWATA COUNTY.

Local storm report, May 14, 8:42 PM CDT, 14 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
835  PM CDT WED MAY 14 1986

 TIME           EVENT  (CD=CIVIL DEFENSE.  OHP=OKLA. HIGHWAY PATROL)
  638  PM CDT   ONE HOUSE DAMAGED WITH TREES AND POWER LINES DOWN
                ABOUT 6 MILES NORTHEAST OF OKEMAH OKLAHOMA. REPORT
                FROM OHP AND SHERIFFS OFFICE.  OKFUSKEE COUNTY.
  645  PM CDT   GOLFBALL SIZE HAIL REPORTED AT DEWAR OKLAHOMA.
                STREET AND LOW LAND FLOODING REPORTED AROUND
                HENRYETTE OKLAHOMA.  REPORT FROM C.D.  OKMULGEE CO.
  715  PM CDT   HIGH WINDS AND SOME POWER FAILURES REPORTED IN
                OKMULGEE OKLAHOMA.  EXTENSIVE STREET AND LOW LAND
                FLOODING IN THE CITY.  REPORT FROM C.D.  OKMULGEE CO.
  730  PM CDT   HIGH WINDS DAMAGED A BARN ABOUT 7 MILES EAST OF
                MORRIS OKLAHOMA.  REPORT FROM C.D.  OKMULGEE CO.
  741  PM CDT   POSSIBLE FUNNEL SIGHTED IN WESTERN MUSKOGEE COUNTY.
                SMALbL TREES AND BARN DAMAGED SOUTH PART OF BOYNTON
                OKLAHOMA IN MUSKOGEE COUNTY.  ALSO ONE LARGE TREE
                REPORTED BLOCKING HIGHWAY U.S. 62 SOUTH EDGE OF
                BOYNTON OKLAHOMA.  REPORTED BY OHP.  MUSKOGEE CO.

The office that day

Everything else NWS Tulsa, OK issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 14, 10:02 PM CDT	Severe Thunderstorm Warning	TSA	Crawford, Sebastian	58 min
May 14, 10:02 PM CDT	Severe Thunderstorm Warning	TSA	Scott	58 min
May 14, 10:56 PM CDT	Severe Thunderstorm Warning	TSA	Franklin, Johnson, Logan, Madison	64 min
May 15, 7:16 AM CDT	Severe Thunderstorm Warning	TSA	Washington	59 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 1986 Every 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.