Alert archive / Oklahoma / Tornado Warnings in 1998

Tornado Warning 63, NWS Tulsa, OK

October 4, 1998Osage County, Pawnee County, Oklahoma

NWS Tulsa, OK issued this tornado warning at Oct 4, 1998, 8:39 PM CDT for Osage County, Pawnee County, Oklahoma. It was in force for 51 min. 5 reports 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 4, 1998, 8:39 PM CDT (01:39 UTC)
Expired: Oct 4, 1998, 9:30 PM CDT
In force: 51 min
Issued by: NWS Tulsa, OK
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Osage County, OK, Pawnee County, OK

What was reported inside it

Time	Report	Where	Remark
Oct 4, 8:39 PM CDT	Thunderstorm Wind 52	Hallett, OK
Oct 4, 8:39 PM CDT	Hail 1.75	Hallett, OK	Location: intersection of US Hwy 412 and OK Hwy 99
Oct 4, 8:46 PM CDT	Hail 1.75	Hallett, OK
Oct 4, 8:47 PM CDT	Hail 1.75	Osage, OK
Oct 4, 9:40 PM CDT	Thunderstorm Wind 52	Terlton, OK	Location: in the community of Westport

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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Oct 4, 2:30 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 1.7 hours before the alert went out and 143 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: 1746 J/kg
Mixed-layer CIN: -71 J/kg
Mixed-layer LCL: 1456 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 293 m²/s²
0-3 km storm-relative helicity: 419 m²/s²
Significant tornado parameter: 2.0
Supercell composite: 28.9

Open this sounding in Storm Lab

The text

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

483 
WFUS54 KTSA 050141 RRA
TORTUL
OKC113-117-050230-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
839 PM CDT SUN OCT 4 1998

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* TORNADO WARNING FOR
     PAWNEE COUNTY IN NORTHEAST OKLAHOMA
     SOUTHERN OSAGE COUNTY IN NORTHEAST OKLAHOMA

* UNTIL 930 PM CDT

* AT 839 PM CDT...RADAR INDICATED A DEVELOPING TORNADO 2 MILES WEST
  OF HALLETT. THIS DANGEROUS STORM IS MOVING EAST AT 35 MILES PER
  HOUR.

STORM SPOTTERS REPORTED GOLF BALL SIZE HAIL AND 60 MPH WINDS AT 
HALLETT AT 839 PM.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...  WESTPORT...
  MARAMEC...HALLETT...TERLTON...JENNINGS AND OSAGE

IN ADDITION TO THE THREAT OF A TORNADO...LARGE HAIL AND DAMAGING
STRAIGHT LINE WINDS CAN BE EXPECTED WITH THIS STORM. GO TO A SAFE
PLACE NOW

NIGHTTIME TORNADOES ARE ESPECIALLY DANGEROUS - TAKE COVER NOW DO NOT
WAIT UNTIL YOU SEE OR HEAR IT COMING - IT MAY BE TOO LATE TO GET A
SAFE PLACE

LAT...LON 3624 9673 3615 9671 3618 9602 3643 9604

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 4, 7:00 PM CDT	Tornado Warning	TSA	Pawnee	45 min
Oct 4, 7:35 PM CDT	Tornado Warning	TSA	Osage, Pawnee	40 min
Oct 4, 8:12 PM CDT	Tornado Warning	TSA	Osage	48 min
Oct 4, 8:20 PM CDT	Tornado Warning	TSA	Pawnee	25 min
Oct 4, 8:30 PM CDT	Tornado Warning	TSA	Creek	45 min
Oct 4, 9:01 PM CDT	Severe Thunderstorm Warning	TSA	Tulsa, Washington	29 min
Oct 4, 9:11 PM CDT	Flash Flood Warning	TSA	Osage, Pawnee	3 hr
Oct 4, 9:11 PM CDT	Severe Thunderstorm Warning	TSA	Nowata, Rogers	34 min
Oct 4, 9:27 PM CDT	Tornado Warning	TSA	Osage, Pawnee	33 min
Oct 4, 9:40 PM CDT	Tornado Warning	TSA	Creek, Okfuskee	50 min
Oct 4, 9:49 PM CDT	Severe Thunderstorm Warning	TSA	Craig, Nowata, Rogers	56 min
Oct 4, 9:54 PM CDT	Severe Thunderstorm Warning	TSA	Osage	36 min
Oct 4, 10:02 PM CDT	Tornado Warning	TSA	Tulsa, Washington	43 min
Oct 4, 10:11 PM CDT	Tornado Warning	TSA	Craig, Nowata	49 min
Oct 4, 10:26 PM CDT	Tornado Warning	TSA	Rogers	34 min
Oct 4, 10:27 PM CDT	Tornado Warning	TSA	Okfuskee	48 min
Oct 4, 10:36 PM CDT	Tornado Warning	TSA	Tulsa, Washington	39 min
Oct 4, 10:45 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Okmulgee	45 min
Oct 4, 10:49 PM CDT	Tornado Warning	TSA	Creek, Okmulgee	41 min
Oct 4, 10:56 PM CDT	Tornado Warning	TSA	Rogers	34 min
Oct 4, 11:07 PM CDT	Tornado Warning	TSA	Okfuskee	38 min
Oct 4, 11:24 PM CDT	Severe Thunderstorm Warning	TSA	Craig	36 min
Oct 4, 11:24 PM CDT	Tornado Warning	TSA	Muskogee, Okmulgee	51 min
Oct 4, 11:52 PM CDT	Flash Flood Warning	TSA	Osage, Pawnee	2 hr
Oct 4, 11:54 PM CDT	Severe Thunderstorm Warning	TSA	Tulsa, Wagoner	51 min
Oct 5, 12:03 AM CDT	Severe Thunderstorm Warning	TSA	Creek, Okfuskee, Okmulgee	42 min
Oct 5, 12:10 AM CDT	Severe Thunderstorm Warning	TSA	McIntosh, Muskogee, Wagoner	50 min
Oct 5, 12:11 AM CDT	Flash Flood Warning	TSA	Nowata, Washington	2 hr
Oct 5, 12:11 AM CDT	Flash Flood Warning	TSA	Tulsa	2 hr
Oct 5, 12:16 AM CDT	Tornado Warning	TSA	Muskogee, Wagoner	29 min
Oct 5, 12:29 AM CDT	Tornado Warning	TSA	Cherokee	46 min
Oct 5, 12:35 AM CDT	Flash Flood Warning	TSA	Creek, Okmulgee	115 min
Oct 5, 12:38 AM CDT	Severe Thunderstorm Warning	TSA	Creek, Okmulgee	52 min
Oct 5, 12:56 AM CDT	Severe Thunderstorm Warning	TSA	Adair, Cherokee, Delaware	49 min
Oct 5, 1:08 AM CDT	Severe Thunderstorm Warning	TSA	Craig	37 min
Oct 5, 1:09 AM CDT	Severe Thunderstorm Warning	TSA	Muskogee, Wagoner	51 min
Oct 5, 1:36 AM CDT	Severe Thunderstorm Warning	TSA	Ottawa	39 min
Oct 5, 1:49 AM CDT	Severe Thunderstorm Warning	TSA	Adair, Cherokee, Delaware	41 min
Oct 5, 2:01 AM CDT	Flash Flood Warning	TSA	Cherokee, Craig, Delaware, Mayes, Ottawa	3 hr
Oct 5, 2:01 AM CDT	Flash Flood Warning	TSA	Creek, Okmulgee, Osage, Pawnee, Rogers, Tulsa and 2 more	3 hr
Oct 5, 2:01 AM CDT	Flash Flood Warning	TSA	Muskogee	3 hr
Oct 5, 2:01 AM CDT	Flash Flood Warning	TSA	Nowata	3 hr
Oct 5, 3:34 AM CDT	Severe Thunderstorm Warning	TSA	Delaware	26 min
Oct 5, 3:56 AM CDT	Severe Thunderstorm Warning	TSA	Delaware	49 min
Oct 5, 4:35 AM CDT	Flash Flood Warning	TSA	Cherokee, Craig, Delaware, Mayes, Ottawa	3 hr
Oct 5, 4:35 AM CDT	Flash Flood Warning	TSA	Creek, Osage, Pawnee, Tulsa	3 hr
Oct 5, 4:35 AM CDT	Flash Flood Warning	TSA	Nowata, Rogers, Washington	3 hr
Oct 5, 4:35 AM CDT	Flash Flood Warning	TSA	Wagoner	3 hr
Oct 5, 7:55 AM CDT	Flash Flood Warning	TSA	Cherokee, Mayes, Muskogee, Okmulgee, Rogers, Tulsa and 1 more	3 hr
Oct 5, 7:55 AM CDT	Flash Flood Warning	TSA	Creek, Okfuskee	3 hr
Oct 5, 7:55 AM CDT	Flash Flood Warning	TSA	Craig, Delaware, Ottawa	3 hr
Oct 5, 7:55 AM CDT	Flash Flood Warning	TSA	Adair	3 hr
Oct 5, 10:53 AM CDT	Flash Flood Warning	TSA	Haskell, McIntosh, Pittsburg	3 hr
Oct 5, 10:53 AM CDT	Flash Flood Warning	TSA	Adair, Cherokee, Delaware, Muskogee, Sequoyah	3 hr
Oct 5, 1:45 PM CDT	Flash Flood Warning	TSA	Latimer, Pushmataha	3 hr
Oct 5, 1:45 PM CDT	Flash Flood Warning	TSA	Haskell	3 hr
Oct 5, 1:46 PM CDT	Flash Flood Warning	TSA	Pushmataha	3 hr
Oct 5, 1:49 PM CDT	Flash Flood Warning	TSA	Adair	3 hr
Oct 5, 1:59 PM CDT	Flash Flood Warning	TSA	LeFlore, Sequoyah	3 hr
Oct 5, 2:09 PM CDT	Severe Thunderstorm Warning	TSA	Pushmataha	61 min
Oct 5, 2:45 PM CDT	Flash Flood Warning	TSA	LeFlore, Sequoyah	2 hr
Oct 5, 3:15 PM CDT	Flash Flood Warning	TSA	LeFlore	3 hr
Oct 5, 4:20 PM CDT	Severe Thunderstorm Warning	TSA	LeFlore	25 min
Oct 5, 5:42 PM CDT	Severe Thunderstorm Warning	TSA	Haskell, LeFlore, Sequoyah	33 min

Nearby

Tornado Warnings in Oklahoma, 1998 Every tornado warning in 1998 Tornadoes 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.