Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 301, NWS Tulsa, OK

June 10, 1998Cherokee County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Jun 10, 1998, 5:39 PM CDT for Cherokee County, Oklahoma. It was in force for 51 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 10, 1998, 5:39 PM CDT (22:39 UTC)
Expired
Jun 10, 1998, 6:30 PM CDT
In force
51 min
Issued by
NWS Tulsa, OK
Area
Whole counties

County Cherokee County, OK

The radar

The Tulsa radar (KINX), 59 km from the middle of the area, began a volume at 22:24 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 10.7 hours before the alert went out and 154 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 1998-06-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 57 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 1998-06-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 99 square meters per square second.19395878Sfc1 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
57 J/kg
Mixed-layer CIN
-367 J/kg
Mixed-layer LCL
1912 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
99 m²/s²
0-3 km storm-relative helicity
140 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KTUL 102239 RRA
SVRTUL
OKC021-102330-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
539 PM CDT WED JUN 10 1998

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...

  CHEROKEE COUNTY IN EAST CENTRAL OKLAHOMA

* UNTIL 630 PM CDT

* AT 537 PM...DOPPLER RADAR DETECTED A CLUSTER OF SEVERE
  THUNDERSTORMS FROM COWETA TO OKAY TO PEGGS...MOVING
  NORTHEAST 40 MPH.

* SOME LOCATIONS AFFECTED INCLUDE...
  TAHLEQUAH
  COOKSON

  WIND GUSTS TO 65 MPH CAN BE EXPECTED IN THE WARNED AREA.

BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS AS STORMS APPROACH.



&

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.

NWS Tulsa, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 10, 3:50 PM CDT, 1 hour 49 minutes earlier.

Area forecast discussion, Jun 10, 3:50 PM CDT, 1 hour 49 minutes before
FPUS3 KTUL 102055
AFDTUL

EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
350 PM CDT WED JUN 10 1998

SAME OLD TUNE THIS FORECAST.  FLOW ALOFT TO REMAIN SOUTHWEST...
ATMOSPHERE TO REMAIN UNSTABLE...CAP NOT TOO STRONG AND DRY LINE TO
REMAIN IN THE PANHANDLES.  TODAYS VARIATION HAS A CLUSTER OF
THUNDERSTORMS THAT FORMED IN WEST CENTRAL TEXAS EXPANDING NORTHEAST
TOWARD SOUTHEAST OKLAHOMA AND WEST CENTRAL ARKANSAS. THUS...WILL GO
HIGHEST POPS THERE.  MORE STORMS ARE STARTING TO GET GOING ALONG DRY
LINE IN NORTHWEST TEXAS AND MAY MOVE OVER SOUTHEAST OKLAHOMA AND WEST
CENTRAL ARKANSAS AS WELL.  EVENING SHIFT MAY HAVE TO CONSIDER A FLASH
FLOOD WATCH FOR THESE AREAS BUT DO NOT FEEL STRONG ENOUGH ABOUT IT
NOW TO DO SO YET.  WILL CARRY DECENT POPS NORTH OF MAIN AREA AS OTHER
STORMS MAY GET GOING ALONG THE DRY LINE AND SPREAD NORTHEAST.

WILL GO LIKELY POPS EVERYWHERE TOMORROW AS SHORTWAVE WHICH CAUSED
THUNDERSTORMS IN NORTHWEST MEXICO THIS MORNING IS PROGGED BY BOTH THE
ETA AND NGM TO MOVE NORTHEAST TOWARD THE AREA.  TIMING BETWEEN THE
MODELS IS A LITTLE DIFFERENT WITH THE NGM THE QUICKEST AND THE ETA
THE SLOWEST.  WILL ACCOUNT FOR THE SLOWER ETA BY CARRYING HIGHER POPS
IN THE EAST TOMORROW NIGHT.

MORE SIGNIFICANT SYSTEM MAY BRUSH THE AREA SATURDAY AS IT MOVES
ACROSS THE CENTRAL PLAINS SATURDAY AND INTO THE GREAT LAKES SUNDAY.
THIS SYSTEM WILL ALSO PUSH A COLD FRONT INTO THE AREA SUNDAY WHICH
SHOULD SWEEP OUT A LITTLE MOISTURE SO SUNDAY NIGHT WILL COOL DOWN A
BIT.  WOULD HAVE LIKED TO LEAVE OUT POPS ON MONDAY BUT FRONT IS JUST
TO THE SOUTH AND THE MRF SHOW A DECENT SHORTWAVE MOVING INTO THE AREA
AND HIGH MEAN RH.

TEMPERATURE WISE...DID NOT STRAY TOO FAR FROM NGM GUIDANCE.  WILL
FORECAST MAINLY 80S TOMORROW WITH EXPECTED CLOUDS AND LET IT WARM
INTO THE 90S FRIDAY AND SATURDAY BEFORE COOLING IT DOWN A LITTLE
BEGINNING SUNDAY.

FCSTID = 17
TUL   73  86  73  93 /  50  60  30  30
FSM   72  87  70  93 /  60  60  50  30
MLC   73  87  73  93 /  60  60  30  30
BVO   72  85  72  92 /  30  60  30  30
FYV   72  85  70  90 /  50  60  50  30
IDB   70  87  73  95 /  60  60  50  30
BYV   71  84  69  89 /  50  60  50  30
MIO   72  86  70  90 /  50  60  30  30
MKO   72  86  72  93 /  50  60  30  30
F10   73  87  73  93 /  50  60  30  30
HHW   71  88  74  95 /  60  60  50  30

.TUL...
OK...NONE.
AR...NONE.

ABBAS

In the hours before

Special weather statement, Jun 10, 1:10 PM CDT, 4 hours 29 minutes before
ARZ001-002-010-011-019-020-029-OKZ049-053>076-111200-

EASTERN OKLAHOMA/NORTHWEST ARKANSAS HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
100 PM CDT WED JUN 9 1998

ISOLATED SEVERE THUNDERSTORMS ARE POSSIBLE LATE THIS AFTERNOON AND
TONIGHT ACROSS EASTERN OKLAHOMA AND NORTHWEST ARKANSAS.

A SURFACE LOW WAS LOCATED OVER SOUTHWEST KANSAS EARLY THIS AFTERNOON
WITH A DRYLINE EXTENDING SOUTH THROUGH FAR WESTERN OKLAHOMA INTO WEST
TEXAS.  THE DRYLINE IS EXPECTED TO MOVE ONLY SLOWLY EAST AND SHOULD STAY
ACROSS WESTERN OKLAHOMA THROUGH TONIGHT.

THUNDERSTORMS DEVELOPED LATE THIS MORNING ACROSS PARTS OF WEST CENTRAL
TEXAS...AHEAD OF THE DRYLINE.  THESE THUNDERSTORMS WILL CONTINUE TO MOVE
NORTHEAST...AND MAY MOVE INTO PARTS OF SOUTHEAST OKLAHOMA AFTER 4 PM.
ADDITIONAL THUNDERSTORMS MAY DEVELOP BY LATE AFTERNOON ALONG THE DRYLINE
ACROSS WESTERN OKLAHOMA.  IF THESE STORMS FORM...THEY ARE EXPECTED TO
MOVE EAST INTO PARTS OF EASTERN OKLAHOMA AND NORTHWEST ARKANSAS THIS
EVENING AND OVERNIGHT.

WHILE CLOUD COVER WILL LIMIT HEATING THIS AFTERNOON...THE ATMOSPHERE
SHOULD BE SUFFICIENTLY MOIST AND UNSTABLE TO SUPPORT ISOLATED MARGINALLY
SEVERE THUNDERSTORMS...MAINLY THROUGH THIS EVENING.  GIVEN THE FORECAST
WIND PROFILES...LARGE HAIL AND DAMAGING WINDS SHOULD BE THE MAIN SEVERE
WEATHER THREAT.

SHOWERS AND THUNDERSTORMS SHOULD BECOME MORE WIDESPREAD TONIGHT AS A
PLUME OF TROPICAL MOISTURE SPREADS ACROSS THE REGION AND SEVERAL UPPER
LEVEL DISTURBANCES SHEAR ACROSS THE SOUTHERN PLAINS.  WHILE AN ISOLATED
EMBEDDED SEVERE THUNDERSTORM WILL REMAIN POSSIBLE OVERNIGHT...LOCALLY
HEAVY RAINFALL APPEARS TO BE THE MAIN THREAT.

EMERGENCY MANAGEMENT OFFICIALS AND STORM SPOTTER GROUPS IN EASTERN
OKLAHOMA AND NORTHWEST ARKANSAS SHOULD MONITOR WEATHER CONDITIONS AND
FORECASTS AND BE PREPARED FOR POSSIBLE ACTIVATION LATE THIS AFTERNOON
AND TONIGHT.
Local storm report, Jun 10, 1:41 PM CDT, 3 hours 58 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
141 PM CDT WED JUN 10 1998

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0150 AM    4 SW CASS                 AR   1 INCH HAIL
06/09/98   FRANKLIN

1045 PM    5 N OZARK                 AR   1 INCH HAIL
06/09/98   FRANKLIN

1051 PM    HEAVENER                  OK   60 MPH TSTM GUST
06/09/98   LE FLORE

0300 AM    FT SMITH                  AR   WIND DAMAGE
06/10/98   SEBASTIAN                      SEVERAL TREES AND POWER
                                          LINES DOWN ACROSS TOWN
                                          FROM 300 TO 315 AM

0320 AM    VAN BUREN                 AR   WIND DAMAGE
06/10/98   CRAWFORD                       LARGE TREE LIMB KNOCKED
                                          DOWN

0345 AM    OZARK                     AR   WIND DAMAGE
06/10/98   FRANKLIN                       NONCONVECTIVE WIND GUST.
                                          TREES AND POWER LINES DOWN
                                          BETWEEN 345 AND 415 AM.
Local storm report, Jun 10, 1:41 PM CDT, 3 hours 58 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
141 PM CDT WED JUN 10 1998

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0150 AM    4 SW CASS                 AR   1 INCH HAIL
06/09/98   FRANKLIN

1045 PM    5 N OZARK                 AR   1 INCH HAIL
06/09/98   FRANKLIN

1051 PM    HEAVENER                  OK   60 MPH TSTM GUST
06/09/98   LE FLORE

0300 AM    FT SMITH                  AR   WIND DAMAGE
06/10/98   SEBASTIAN                      SEVERAL TREES AND POWER
                                          LINES DOWN ACROSS TOWN
                                          FROM 300 TO 315 AM

0320 AM    VAN BUREN                 AR   WIND DAMAGE
06/10/98   CRAWFORD                       LARGE TREE LIMB KNOCKED
                                          DOWN

0345 AM    OZARK                     AR   WIND DAMAGE
06/10/98   FRANKLIN                       NONCONVECTIVE WIND GUST.
                                          TREES AND POWER LINES DOWN
                                          BETWEEN 345 AND 415 AM.
Local storm report, Jun 10, 3:55 PM CDT, 1 hour 44 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
355 PM CDT WED JUN 10 1998

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0915 PM    ANTLERS                   OK   WIND DAMAGE
06/09/98   PUSHMATAHA                     TREES DOWN IN TOWN.

0935 PM    HUGO                      OK   WIND DAMAGE
06/09/98   CHOCTAW                        METAL ROOF TORN OFF A CAR
                                          WASH.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 9, 8:37 PM CDTSevere Thunderstorm WarningTSAChoctaw, Pushmataha68 min
Jun 9, 9:31 PM CDTSevere Thunderstorm WarningTSAChoctaw, Pushmataha59 min
Jun 9, 9:31 PM CDTSevere Thunderstorm WarningTSALatimer, Pittsburg59 min
Jun 9, 9:47 PM CDTSevere Thunderstorm WarningTSALeFlore73 min
Jun 10, 2:41 AM CDTSevere Thunderstorm WarningTSALeFlore49 min
Jun 10, 4:00 PM CDTSevere Thunderstorm WarningTSAOkfuskee45 min
Jun 10, 5:04 PM CDTSevere Thunderstorm WarningTSATulsa, Wagoner56 min
Jun 10, 5:24 PM CDTSevere Thunderstorm WarningTSAMayes, Rogers51 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 1998Every severe thunderstorm warning in 1998

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; radar from the NEXRAD Level II archive.