Alert archive / Arkansas / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 194, NWS Tulsa, OK

June 21, 1990Madison County, Arkansas

NWS Tulsa, OK issued this severe thunderstorm warning at Jun 21, 1990, 7:20 PM CDT for Madison County, Arkansas. It was in force for 55 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: Jun 21, 1990, 7:20 PM CDT (00:20 UTC)
Expired: Jun 21, 1990, 8:15 PM CDT
In force: 55 min
Issued by: NWS Tulsa, OK
Area: Whole counties

County Madison 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
Jun 21, 7:22 PM CDT	Thunderstorm Wind 0	Madison, AR
Jun 21, 7:45 PM CDT	Thunderstorm Wind 0	Madison, 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, 0.3 hours before the alert went out and 99 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: 90 J/kg
Mixed-layer CIN: -229 J/kg
Mixed-layer LCL: 1597 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 270 m²/s²
0-3 km storm-relative helicity: 329 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KFSM 220021
SVRFSM
ARC087-220115-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE FORT SMITH AR
720 PM CDT THU JUN 21 1990
 
THE NATIONAL WEATHER SERVICE IN FORT SMITH HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  815 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHWEST ARKANSAS
 
   ...MADISON COUNTY
 
AT 720 PM CDT THE FORT SMITH RADAQR INDICATED SEVERE THUNDERSTORMS
MOVING INTO WESTERN MADISON COUNTY.
 
HEAVY RAINS...HIGH WINDS...SOME HAIL AND DANGEROUS CLOUD TO
GROUND LIGHTNING  HAVE BEEN REPORTED WITH THESE THUNDERSTORM AS THEY
MOVED ACROSS BENTON AND WASHINGTON COUNTIES.
 
 
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED ABREA.  REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.

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, Jun 21, 2:29 PM CDT, 4 hours 51 minutes before

OKC105-113-117-143-147-212030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
229 PM CDT THU JUN 21 1990

...THUNDERSTORMS DEVELOPING RAPIDLY IN NORTHERN OKLAHOMA...

AT 220 PM RADAR INDICATED SCATTERED THUNDERSTORMS...SOME WITH VERY
HEAVY RAIN...DEVELOPING RAPIDLY IN NORTH-CENTRAL AND NORTHEAST
OKLAHOMA.  THE STRONGEST STORMS WERE LOCATED JUST NORTHEAST OF PONCA
CITY IN KAY COUNTY...JUST NORTHEAST OF BARNSDALL IN OSAGE COUNTY...AND
ABOUT 15 MILES NORTH OF NOWATA IN NOWATA COUNTY.  MOVEMENT WAS TOWARD
THE EAST NORTHEAST AT ABOUT 20 MILES AN HOUR.

THUNDERSTORMS SHOULD CONTINUE TO DEVELOP THIS AFTERNOON ACROSS
NORTHEASTERN OKLAHOMA.  PEOPLE IN THE PATHS OF THESE STORMS CAN 1EXPECT
BRIEF HEAVY RAINFALL...STRONG WINDS...AND POSSIBLY SMALL HAIL.
RESIDENTS OF NORTHEASTERN OKLAHOMA SHOULD KEEP ALERT FOR THE
POSSIBLILITY OF SEVERE WEATHER DEVELOPMENT THE REST OF THIS
AFTERNOON AND TONIGHT.

Local storm report, Jun 21, 3:24 PM CDT, 3 hours 56 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
325 PM CDT THU JUN 21 1990

TIME/CDT     COUNTY      EVENT

303 PM       OSAGE       LARGER THAN GOLFBALL SIZE HAIL JUST SOUTHWEST
                         OF BARTLESVILLE.  REPORTED BY BARTLESVILLE EOC.

Local storm report, Jun 21, 5:43 PM CDT, 1 hour 37 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE TULSA, OK
530 PM CDT THU JUN 21 1990

TIME/CDT     COUNTY      EVENT

344 PM       NOWATA      TORNADO TOUCHED DOWN 10 MILES NORTHWEST OF
                         NOWATA.
410 PM       OSAGE       DIME SIZE HAIL AT FAIRFAX.
428 PM       CRAIG       TORNADO SOUTHEAST OF CENTRALIA.
450 PM       CRAIG       DIME SIZE HAIL AT WHITE OAK.
503 PM       CRAIG       60 MILE AN HOUR AT WELCH.
420 PM       CRAIG       LOAD BLOWN OFF SEMI-TRUCK 3 MILES EAST OF
                         VINITA.
537          MAYES       GOLFBALL SIZE HAIL AT LANGLEY.

Local storm report, Jun 21, 5:44 PM CDT, 1 hour 36 minutes before

STORM REPORT CORRECTED
NATIONAL WEATHER SERVICE TULSA, OK
545 PM CDT THU JUN 21 1990

TIME/CDT     COUNTY      EVENT

344 PM       NOWATA      TORNADO TOUCHED DOWN 10 MILES NORTHWEST OF
                         NOWATA.
410 PM       OSAGE       DIME SIZE HAIL AT FAIRFAX.
428 PM       CRAIG       TORNADO SOUTHEAST OF CENTRALIA.
450 PM       CRAIG       DIME SIZE HAIL AT WHITE OAK.
503 PM       CRAIG       60 MILE AN HOUR AT WELCH.
420 PM       CRAIG       LOAD BLOWN OFF SEMI-TRUCK 3 MILES EAST OF
                         VINITA.
537          MAYES       GOLFBALL SIZE HAIL AT LANGLEY.

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 21, 7:05 PM CDT	Tornado Warning	TSA	Washington	25 min
Jun 21, 7:43 PM CDT	Tornado Warning	TSA	Madison, Washington	36 min
Jun 21, 9:54 PM CDT	Severe Thunderstorm Warning	TSA	Benton	66 min
Jun 21, 10:10 PM CDT	Severe Thunderstorm Warning	TSA	Washington	65 min
Jun 21, 10:31 PM CDT	Severe Thunderstorm Warning	TSA	Crawford	59 min
Jun 21, 10:46 PM CDT	Severe Thunderstorm Warning	TSA	Sebastian	59 min
Jun 21, 11:18 PM CDT	Severe Thunderstorm Warning	TSA	Franklin	57 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 1990 Every severe thunderstorm warning in 1990

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.