Alert archive / Arkansas / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 110, NWS Tulsa, OK

May 21, 1989Franklin County, Johnson County, Arkansas

NWS Tulsa, OK issued this severe thunderstorm warning at May 21, 1989, 6:48 PM CDT for Franklin County, Johnson County, Arkansas. It was in force for 57 min.

The area

The counties it named.

The facts

Issued
May 21, 1989, 6:48 PM CDT (23:48 UTC)
Expired
May 21, 1989, 7:45 PM CDT
In force
57 min
Issued by
NWS Tulsa, OK
Area
Whole counties

Counties Franklin County, AR, Johnson 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 12:00Z, 11.8 hours before the alert went out and 152 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-pSkew-T log-p diagram, Springfield, MO at 12:00Z on 1989-05-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 171 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 12:00Z on 1989-05-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 133 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
171 J/kg
Mixed-layer CIN
-167 J/kg
Mixed-layer LCL
1091 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
133 m²/s²
0-3 km storm-relative helicity
164 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.3

Open this sounding in Storm Lab

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

Local storm report, May 21, 2:27 PM CDT, 4 hours 21 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA, OK
227 PM CDT SUN MAY 21 1989

TIME CDT   COUNTY       EVENT

1325 PM  WASHINGTON   GOLFBALL SIZE HAIL FELL 6 MILES NORTHEAST OF
                      COPAN.
 1350 PM  NOWATA       GOLFBALL SIZE HAIL FELL AT SOUTH COFFEEVILLE.
1400 PM  NOWATA       GOLFBALL SIZE HAIL FELL AT DELAWARE.
Special weather statement, May 21, 3:31 PM CDT, 3 hours 17 minutes before
UPDATED OKLAHOMA THUNDERSTORM OUTLOOK FOR NORTHEAST OKLAHOMA
NATIONAL WEATHER SERVICE TULSA, OK
330 PM CDT SUN MAY 21 1989

THIS IS AN UPDATED OKLAHOMA THUNDERSTORM OUTLOOK FOR NORTHEAST OKLAHOMA.
THIS OUTLOOK IS VALID FOR THAT PART OF OKLAHOMA EAST AND NORTH OF A LINE
FROM PONCA CITY TO THE SOUTHWEST CORNER OF PITTSBURG COUNTY TO THE
ARKANSAS STATE LINE EAST OF PAGE. FOR OTHER AREAS IN OKLAHOMA...REFER
TO THE OKLAHOMA THUNDERSTORM OUTLOOK ISSUED AT NOON.

THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS NORTH OF A LINE FROM
CHANDLER TO SALLISAW. THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS
OVER THE REMAINDER OF NORTHEAST OKLAHOMA SOUTH OF THE LINE.

AT 320 PM SEVERE THUNDERSTORMS WERE OCCURRING IN EASTERN OTTAWA AND
SOUTHEAST CRAIG COUNTIES. THESE THUNDERSTORMS FORMED IN VERY UNSTABLE
AIR NEAR A WARM FRONT. THESE THUNDERSTORMS ARE MOVING TO THE SOUTHEAST
AT AROUND 30 MPH.

OTHER SEVERE THUNDERSTORMS ARE POSSIBLE THROUGH TONIGHT AS uSEVERAL
BOUNDARIES ACT AS LIFTING MECHANISMS AND VERY UNSTABLE AIR IS LIFTED.
VERY LARGE HAIL AND STRONG WINDS ARE POSSIBLE WITH THE STORMS
OVER NORTHEAST OKLAHOMA.
Local storm report, May 21, 3:43 PM CDT, 3 hours 5 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA, OK
339 PM CDT SUN MAY 21 1989

TIME CDT   COUNTY       EVENT

1410 PM  NOWATA       2 1/2 INCH HAIL AT SOUTH COFFEEVILLE.
1425 PM  NOWATA       2 1/2 INCH HAIL AT LENAPAH.
1445 PM  OTTAWA       NICKEL SIZE HAIL 2 MILES SOUTH PICHER.
1450 PM  CRAIG        60 MPH WINDS 7 MILES NORTHWEST VINITA.
1505 PM  CRAIG        60 MPH WINDS AND DIME SIZE HAIL JUST
                      NORTH VINITA.
1522 PM DELAWARE      GOLFBALL SIZE HAIL AT GROVE.
Local storm report, May 21, 4:48 PM CDT, 2 hours before
STORM REPORT DELAYED FROM MAY 18 1989
NATIONAL WEATHER SERVICE TULSA, OK
446 PM CDT SUN MAY 21 1989

TIME CDT   COUNTY       EVENT

1145 AM  PITTSBURG    60 TO 70 MPH WINDS TOOK THE ROOF OFF OF
                      A DRY CLEANER BUILDING IN MCALESTER.
Local storm report, May 21, 6:42 PM CDT, 6 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
May 21, 1:06 PM CDTSevere Thunderstorm WarningTSACraig69 min
May 21, 1:06 PM CDTSevere Thunderstorm WarningTSANowata, Washington69 min
May 21, 2:03 PM CDTSevere Thunderstorm WarningTSACraig, Nowata57 min
May 21, 2:31 PM CDTSevere Thunderstorm WarningTSAOttawa59 min
May 21, 2:59 PM CDTSevere Thunderstorm WarningTSACraig, Delaware, Mayes61 min
May 21, 5:52 PM CDTSevere Thunderstorm WarningTSADelaware53 min
May 21, 3:27 PM CDTSevere Thunderstorm WarningTSABenton63 min
May 21, 4:24 PM CDTSevere Thunderstorm WarningTSABenton51 min
May 21, 4:33 PM CDTSevere Thunderstorm WarningTSAMadison57 min
May 21, 5:13 PM CDTTornado WarningTSABenton47 min
May 21, 5:20 PM CDTSevere Thunderstorm WarningTSAMadison, Washington55 min
May 21, 5:57 PM CDTTornado WarningTSAWashington48 min
May 21, 6:12 PM CDTSevere Thunderstorm WarningTSAMadison63 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 1989Every severe thunderstorm warning in 1989

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.