Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 461, NWS Tulsa, OK

October 5, 1998Haskell County, LeFlore County, Sequoyah County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Oct 5, 1998, 5:42 PM CDT for Haskell County, LeFlore County, Sequoyah County, Oklahoma. It was in force for 33 min. 1 report came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued
Oct 5, 1998, 5:42 PM CDT (22:42 UTC)
Expired
Oct 5, 1998, 6:15 PM CDT
In force
33 min
Issued by
NWS Tulsa, OK
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Haskell County, OK, LeFlore County, OK, Sequoyah County, OK

What was reported inside it

TimeReportWhereRemark
Oct 5, 5:50 PM CDTThunderstorm WindMc Curtain, OKSeveral trees were blown down.

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.

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 10.7 hours before the alert went out and 207 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 1998-10-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 263 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 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 1998-10-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 323 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
263 J/kg
Mixed-layer CIN
-97 J/kg
Mixed-layer LCL
570 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
323 m²/s²
0-3 km storm-relative helicity
352 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.5

Open this sounding in Storm Lab

The text

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

232 
WUUS54 KTSA 052244 RRA
SVRTUL
OKC061-079-135-052315-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
542 PM CDT MON OCT 5 1998

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR
     SEQUOYAH COUNTY IN EAST CENTRAL OKLAHOMA
     FAR NORTHERN LE FLORE COUNTY IN SOUTHEAST OKLAHOMA
     NORTHEAST HASKELL COUNTY IN SOUTHEAST OKLAHOMA

* UNTIL 615 PM CDT

* AT 542 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM OVER MC
  CURTAIN...MOVING NORTHEAST AT 20 MILES PER HOUR.

* SOME LOCATIONS AFFECTED INCLUDE...  COWLINGTON...SCULLYVILLE...
  SPIRO...BOKOSHE...MILTON...GANS...SALLISAW...KEOTA AND MC CURTAIN

HAIL TO THE SIZE OF NICKLES AND WIND GUSTS TO 70 MPH CAN BE EXPECTED 
IN THE WARNED AREA.

BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS AS STORMS APPROACH.

LAT...LON 3522 9505 3509 9493 3525 9449 3550 9483

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 Oct 5, 4:52 PM CDT, 50 minutes earlier.

Area forecast discussion, Oct 5, 4:52 PM CDT, 50 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
401 PM CDT MON OCT 5 1998

PROBLEM(S) OF THE DAY:
POPS
WILL THERE BE HEAVY RAINFALL?
WILL THERE BE ANY FLOODING?

BAND OF SEVERE STORMS IN FAR EASTERN ZONES IS
MOVING EAST BUT ADDITONAL DEVELOPMENT OCCURING
OVER NORTH TEXAS WILL MOVE NORTHEAST BACK INTO
SOUTHEAST OKLAHOMA AND NORTHWEST ARKANSA OVERNIGHT.
WILL CONTINUE FFA IN THOSE AREAS. NOT SURE ABOUT
EXTENT OF POSSIBLE PRECIP NORTH OF SURFACE FRONT
OVERNIGHT WITH UPPER SYSTEM STILL BRINGING
ENERGY INTO THE SOUTHERN PLAINS. APPEARS
MAIN PRECIP SHOULD STAY SOUTHEAST OF H85 TROF
SO WILL ONLY GO WITH CHANCE POPS IN NORTHEAST
OKLAHOMA OVERNIGHT.

COLD UPPER TROF TO SETTLE SOUTHWARD THROUGH
WEDNESDAY...SO EVEN WITH SEEMINGLY DRY
LOW LEVELS WILL PROBABLY SEE ISOLATED/SCATTERED
SHOWERS DEVELOP WITH ANY HEATING. WILL KEEP
SLIGHT CHANCE POPS GOING IN WESTERN ZONES AND
CHANCE POPS IN THE EAST THROUGH WEDNESDAY.
STAYED CLOSE TO FWC TMPS...BUT HAVE NOT HAD
MUCH TIME TO LOOK AT MODELS WITH MAJOR
COMMS PROBLEMS IN THE OFFICE TODAY.
EXTENDED LEFT WITH DRY/MILD WEATHER INTO
THE WEEKEND. /13

FCSTID = 13
TUL   53  65  50  68 /  30  20  20  10
FSM   60  68  57  70 /  90  50  30  30
MLC   57  67  54  70 /  70  30  10  20
BVO   50  65  47  68 /  20  20  10  10
FYV   58  65  52  67 /  90  40  20  20
IDB   63  70  57  73 /  90  50  20  20
BYV   58  66  55  68 /  90  40  30  30
MIO   53  65  50  68 /  30  20  20  10
MKO   57  67  54  70 /  70  30  10  20
F10   53  65  50  68 /  30  20  20  10
HHW   63  70  57  73 /  90  50  20  20

.TUL...
OK...FLASH FLOOD WATCH FOR TONIGHT FOR ZONES OKZ049...OKZ053...
OKZ069...OKZ072>077.

AR...FLASH FLOOD WATCH FOR TONIGHT FOR ZONES ARZ001>002...
ARZ010>011...ARZ019>020...ARZ029.

--------------------
EXPERIMENTAL OUTPUT:

GENERAL WEATHER EXPECTED NEXT 24 HOURS: CONVECTIVE PRECIP
HAZARDOUS WEATHER EXPECTED NEXT 24 HOURS: SLIGHT CHANCE SEVERE
THUNDERSTORMS
NGM CONFIDENCE:  6 ON A SCALE OF 0 TO 10
ETA CONFIDENCE:  5 ON A SCALE OF 0 TO 10
AVN CONFIDENCE:  6 ON A SCALE OF 0 TO 10
FCST CONFIDENCE: 6 ON A SCALE OF 0 TO 10

In the hours before

Local storm report, Oct 5, 4:20 PM CDT, 1 hour 22 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA, OK
420 PM CDT MON OCT 05 1998

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

0743 PM    PAWNEE                    OK   WIND DAMAGE
10/04/98   PAWNEE                         EXTENSIVE TREE DAMAGE IN
                                          PAWNEE REPORTED BY OHP

0804 PM    CLEVELAND                 OK   60 MPH TSTM GUST
10/04/98   PAWNEE

0839 PM    HALLETT                   OK   1.75 INCH HAIL
10/04/98   PAWNEE

0839 PM    HALLETT                   OK   60 MPH TSTM GUST
10/04/98   PAWNEE

0840 PM    3 S JENNINGS              OK   1.75 INCH HAIL
10/04/98   CREEK

0844 PM    HOMINY                    OK   80 MPH TSTM GUST
10/04/98   OSAGE

0846 PM    4 W WESTPORT              OK   1.75 INCH HAIL
10/04/98   PAWNEE

0847 PM    8 E CLEVELAND             OK   1.75 INCH HAIL
10/04/98   OSAGE

0901 PM    2 W TERLTON               OK   TORNADO
10/04/98   PAWNEE                         BETWEEN JENNINGS AND
                                          TERLTON

0904 PM    HOMINY                    OK   FLOODING
10/04/98   OSAGE                          ROADS UNDER WATER IN
                                          HOMINY

0923 PM    2 N CLEVELAND             OK   1 INCH HAIL
10/04/98   OSAGE
Local storm report, Oct 5, 4:45 PM CDT, 57 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA, OK
445 PM CDT MON OCT 05 1998

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

0944 PM    2 W OCHELATA              OK   WIND DAMAGE
10/04/98   OSAGE                          MOBILE HOME DESTROYED

1007 PM    OCHELATA                  OK   WIND DAMAGE
10/04/98   WASHINGTON                     TRAILER HOUSE DESTROYED.
                                          2 INJURIES.

1017 PM    1 SE VERA                 OK   TORNADO
10/04/98   WASHINGTON                     7 MILES NW OF INTERSECTION
                                          OF HWYS 169 AND 20 FROM
                                          1017 AND 1022 PM.

1028 PM    2 NE COLLINSVILLE         OK   TORNADO
10/04/98   TULSA
Special weather statement, Oct 5, 5:00 PM CDT, 42 minutes before
OKZ060-052220-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
500 PM CDT MON OCT 5 1998

THIS IS A COMMUNICATIONS TEST.

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 4, 7:00 PM CDTTornado WarningTSAPawnee45 min
Oct 4, 7:35 PM CDTTornado WarningTSAOsage, Pawnee40 min
Oct 4, 8:12 PM CDTTornado WarningTSAOsage48 min
Oct 4, 8:20 PM CDTTornado WarningTSAPawnee25 min
Oct 4, 8:30 PM CDTTornado WarningTSACreek45 min
Oct 4, 8:39 PM CDTTornado WarningTSAOsage, Pawnee51 min
Oct 4, 9:01 PM CDTSevere Thunderstorm WarningTSATulsa, Washington29 min
Oct 4, 9:11 PM CDTFlash Flood WarningTSAOsage, Pawnee3 hr
Oct 4, 9:11 PM CDTSevere Thunderstorm WarningTSANowata, Rogers34 min
Oct 4, 9:27 PM CDTTornado WarningTSAOsage, Pawnee33 min
Oct 4, 9:40 PM CDTTornado WarningTSACreek, Okfuskee50 min
Oct 4, 9:49 PM CDTSevere Thunderstorm WarningTSACraig, Nowata, Rogers56 min
Oct 4, 9:54 PM CDTSevere Thunderstorm WarningTSAOsage36 min
Oct 4, 10:02 PM CDTTornado WarningTSATulsa, Washington43 min
Oct 4, 10:11 PM CDTTornado WarningTSACraig, Nowata49 min
Oct 4, 10:26 PM CDTTornado WarningTSARogers34 min
Oct 4, 10:27 PM CDTTornado WarningTSAOkfuskee48 min
Oct 4, 10:36 PM CDTTornado WarningTSATulsa, Washington39 min
Oct 4, 10:45 PM CDTSevere Thunderstorm WarningTSACreek, Okmulgee45 min
Oct 4, 10:49 PM CDTTornado WarningTSACreek, Okmulgee41 min
Oct 4, 10:56 PM CDTTornado WarningTSARogers34 min
Oct 4, 11:07 PM CDTTornado WarningTSAOkfuskee38 min
Oct 4, 11:24 PM CDTSevere Thunderstorm WarningTSACraig36 min
Oct 4, 11:24 PM CDTTornado WarningTSAMuskogee, Okmulgee51 min
Oct 4, 11:52 PM CDTFlash Flood WarningTSAOsage, Pawnee2 hr
Oct 4, 11:54 PM CDTSevere Thunderstorm WarningTSATulsa, Wagoner51 min
Oct 5, 12:03 AM CDTSevere Thunderstorm WarningTSACreek, Okfuskee, Okmulgee42 min
Oct 5, 12:10 AM CDTSevere Thunderstorm WarningTSAMcIntosh, Muskogee, Wagoner50 min
Oct 5, 12:11 AM CDTFlash Flood WarningTSANowata, Washington2 hr
Oct 5, 12:11 AM CDTFlash Flood WarningTSATulsa2 hr
Oct 5, 12:16 AM CDTTornado WarningTSAMuskogee, Wagoner29 min
Oct 5, 12:29 AM CDTTornado WarningTSACherokee46 min
Oct 5, 12:35 AM CDTFlash Flood WarningTSACreek, Okmulgee115 min
Oct 5, 12:38 AM CDTSevere Thunderstorm WarningTSACreek, Okmulgee52 min
Oct 5, 12:56 AM CDTSevere Thunderstorm WarningTSAAdair, Cherokee, Delaware49 min
Oct 5, 1:08 AM CDTSevere Thunderstorm WarningTSACraig37 min
Oct 5, 1:09 AM CDTSevere Thunderstorm WarningTSAMuskogee, Wagoner51 min
Oct 5, 1:36 AM CDTSevere Thunderstorm WarningTSAOttawa39 min
Oct 5, 1:49 AM CDTSevere Thunderstorm WarningTSAAdair, Cherokee, Delaware41 min
Oct 5, 2:01 AM CDTFlash Flood WarningTSACherokee, Craig, Delaware, Mayes, Ottawa3 hr
Oct 5, 2:01 AM CDTFlash Flood WarningTSACreek, Okmulgee, Osage, Pawnee, Rogers, Tulsa and 2 more3 hr
Oct 5, 2:01 AM CDTFlash Flood WarningTSAMuskogee3 hr
Oct 5, 2:01 AM CDTFlash Flood WarningTSANowata3 hr
Oct 5, 3:34 AM CDTSevere Thunderstorm WarningTSADelaware26 min
Oct 5, 3:56 AM CDTSevere Thunderstorm WarningTSADelaware49 min
Oct 5, 4:35 AM CDTFlash Flood WarningTSACherokee, Craig, Delaware, Mayes, Ottawa3 hr
Oct 5, 4:35 AM CDTFlash Flood WarningTSACreek, Osage, Pawnee, Tulsa3 hr
Oct 5, 4:35 AM CDTFlash Flood WarningTSANowata, Rogers, Washington3 hr
Oct 5, 4:35 AM CDTFlash Flood WarningTSAWagoner3 hr
Oct 5, 7:55 AM CDTFlash Flood WarningTSACherokee, Mayes, Muskogee, Okmulgee, Rogers, Tulsa and 1 more3 hr
Oct 5, 7:55 AM CDTFlash Flood WarningTSACreek, Okfuskee3 hr
Oct 5, 7:55 AM CDTFlash Flood WarningTSACraig, Delaware, Ottawa3 hr
Oct 5, 7:55 AM CDTFlash Flood WarningTSAAdair3 hr
Oct 5, 10:53 AM CDTFlash Flood WarningTSAHaskell, McIntosh, Pittsburg3 hr
Oct 5, 10:53 AM CDTFlash Flood WarningTSAAdair, Cherokee, Delaware, Muskogee, Sequoyah3 hr
Oct 5, 1:45 PM CDTFlash Flood WarningTSALatimer, Pushmataha3 hr
Oct 5, 1:45 PM CDTFlash Flood WarningTSAHaskell3 hr
Oct 5, 1:46 PM CDTFlash Flood WarningTSAPushmataha3 hr
Oct 5, 1:49 PM CDTFlash Flood WarningTSAAdair3 hr
Oct 5, 1:59 PM CDTFlash Flood WarningTSALeFlore, Sequoyah3 hr
Oct 5, 2:09 PM CDTSevere Thunderstorm WarningTSAPushmataha61 min
Oct 5, 2:45 PM CDTFlash Flood WarningTSALeFlore, Sequoyah2 hr
Oct 5, 3:15 PM CDTFlash Flood WarningTSALeFlore3 hr
Oct 5, 4:20 PM CDTSevere Thunderstorm WarningTSALeFlore25 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.