Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 451, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Oct 5, 1998, 1:49 AM CDT for Adair County, Cherokee County, Delaware County, Oklahoma. It was in force for 41 min. 4 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 5, 1998, 1:49 AM CDT (06:49 UTC)
- Expired
- Oct 5, 1998, 2:30 AM CDT
- In force
- 41 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Adair County, OK, Cherokee County, OK, Delaware County, OK
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Oct 5, 2:10 AM CDT | Thunderstorm Wind | Tahlequah, OK | A large tree was blown down. |
| Oct 5, 2:15 AM CDT | Thunderstorm Wind | Colcord, OK | The roof was partially blown off of a mobile home. |
| Oct 5, 2:30 AM CDT | Thunderstorm Wind | Kansas, OK | The roof was blown off of a storage building at a lumber yard. |
| Oct 5, 2:30 AM CDT | Thunderstorm Wind | Kansas, OK | Several trees were uprooted, and large tree limbs blocked a roadway. |
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, 11:30 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 6.8 hours before the alert went out and 135 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.
- Mixed-layer CAPE
- 1811 J/kg
- Mixed-layer CIN
- -52 J/kg
- Mixed-layer LCL
- 918 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 236 m²/s²
- 0-3 km storm-relative helicity
- 352 m²/s²
- Significant tornado parameter
- 2.7
- Supercell composite
- 19.4
The text
As transmitted, in the capitals the NWS used until 2016.
911
WUUS54 KTSA 050651 RRA
SVRTUL
OKC001-021-041-050730-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
149 AM CDT MON OCT 5 1998
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR
NORTHERN CHEROKEE COUNTY IN EAST CENTRAL OKLAHOMA
NORTHERN ADAIR COUNTY IN EAST CENTRAL OKLAHOMA
SOUTHERN DELAWARE COUNTY IN NORTHEAST OKLAHOMA
* UNTIL 230 AM CDT
* AT 149 AM CDT...RADAR INDICATED SEVERE THUNDERSTORMS ALONG A LINE
EXTENDING FROM HULBERT TO 5 MILES WEST OF SCRAPER TO 5 MILES WEST
OF LEACH...MOVING NORTHEAST AT 20 MILES PER HOUR.
* SOME LOCATIONS NEAR THE PATH OF THESE STORMS INCLUDE... SCRAPER...
ELDON...HULBERT...TAHLEQUAH...WEST SILOAM SPRINGS...COLCORD...
KANSAS...TWIN OAKS...LEACH...OAKS...WATTS...BALLARD AND PROCTOR
HAIL TO THE SIZE OF DIMES AND WIND GUSTS TO 70 MPH CAN BE EXPECTED
IN THE WARNED AREA.
A TORNADO WATCH IS ALSO IN EFFECT. TORNADOES CAN DEVELOP SUDDENLY
FROM SEVERE THUNDERSTORMS. BE ALERT FOR RAPIDLY CHANGING WEATHER
CONDITIONS.
LAT...LON 3627 9507 3606 9504 3583 9529 3585 9495
3609 9455 3637 9459What 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 4, 8:15 PM CDT, 5 hours 34 minutes earlier.
Area forecast discussion, Oct 4, 8:15 PM CDT, 5 hours 34 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 815 PM CDT SUN OCT 4 1998 ISSUED FLASH FLOOD WATCH FOR NORTHEAST OKLAHOMA OVERNIGHT WITH CELLS TRAINING AND IR SAT PICS INDICATING CONTINUED BACKBUILDING POSSIBLE OVERNIGHT AS UPPER JET PIVOTS INTO SOUTHERN PLAINS. UPPED POPS TO 100% IN WATCH AREA AND ALSO UPPED POPS ELSEWHERE. FRONT IN NW KANSAS IS NOT COMING SOUTHEAST VERY QUICKLY AND MAY MEAN HEAVY RAIN THREAT WILL CONTINUE INTO MONDAY OVER MUCH OF THE AREA. ENTIRE FORECAST AREA UNDER TORNADO WATCH UNTIL 1AM BUT AM NOT SURE FAR SOUTHEAST ZONES WILL SEE PRECIP UNTIL MONDAY MORNING...SO LEFT CHANCE POPS NEAR RED RIVER OVERNIGHT. NO OTR CHANGES. ZONES AND FFA HAVE BEEN ISSUED. FCSTID = 13 .TUL... OK...FLASH FLOOD WATCH FOR TONIGHT FOR ZONES OKZ054>067. AR...NONE.
In the hours before
Special weather statement, Oct 4, 8:36 PM CDT, 5 hours 13 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 836 PM CDT SUN OCT 4 1998 ...TORNADO WATCH NUMBER 864 HAS BEEN EXPANDED TO INCLUDE PAWNEE COUNTY AND NOW INCLUDES ALL OF EASTERN OKLAHOMA AND NORTHWEST ARKANSAS UNTIL 1AM... SOME CITIES INCLUDED IN THE WATCH ARE... BARTLESVILLE CLAREMORE DURANT HUGO IDABEL MCALESTER MIAMI MUSKOGEE OKMULGEE PRYOR SALLISAW TAHLEQUAH TULSA VINITA FORT SMITH FAYETTEVILLE BENTONVILLE HUNTSVILLE BERRYVILLE COUNTIES INCLUDED IN THE WATCH IN EASTERN OKLAHOMA: ADAIR CHEROKEE CRAIG CREEK DELAWARE MAYES MCINTOSH MUSKOGEE NOWATA OKFUSKEE OKMULGEE OSAGE OTTAWA ROGERS SEQUOYAH TULSA WAGONER WASHINGTON PAWNEE CHOCTAW HASKELL LATIMER LE FLORE PITTSBURG PUSHMATAHA IN NORTHWEST ARKANSAS: SEBASTIAN CRAWFORD FRANKLIN WASHINGTON BENTON CARROLL MADISON
Special weather statement, Oct 4, 8:36 PM CDT, 5 hours 13 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 836 PM CDT SUN OCT 4 1998 ...TORNADO WATCH NUMBER 864 HAS BEEN EXPANDED TO INCLUDE PAWNEE COUNTY AND NOW INCLUDES ALL OF EASTERN OKLAHOMA AND NORTHWEST ARKANSAS UNTIL 1AM... SOME CITIES INCLUDED IN THE WATCH ARE... BARTLESVILLE CLAREMORE DURANT HUGO IDABEL MCALESTER MIAMI MUSKOGEE OKMULGEE PRYOR SALLISAW TAHLEQUAH TULSA VINITA FORT SMITH FAYETTEVILLE BENTONVILLE HUNTSVILLE BERRYVILLE COUNTIES INCLUDED IN THE WATCH IN EASTERN OKLAHOMA: ADAIR CHEROKEE CRAIG CREEK DELAWARE MAYES MCINTOSH MUSKOGEE NOWATA OKFUSKEE OKMULGEE OSAGE OTTAWA ROGERS SEQUOYAH TULSA WAGONER WASHINGTON PAWNEE CHOCTAW HASKELL LATIMER LE FLORE PITTSBURG PUSHMATAHA IN NORTHWEST ARKANSAS: SEBASTIAN CRAWFORD FRANKLIN WASHINGTON BENTON CARROLL MADISON
Local storm report, Oct 4, 9:09 PM CDT, 4 hours 40 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
909 PM CDT SUN OCT 04 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0804 PM CLEVELAND OK 60 MPH TSTM GUST
10/04/98 PAWNEE
0839 PM HALLETT OK 60 MPH TSTM GUST
10/04/98 PAWNEE
0839 PM HALLETT OK 1.75 INCH HAIL
10/04/98 PAWNEE
0844 PM HOMINY OK 80 MPH TSTM GUST
10/04/98 OSAGEThe 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, 8:39 PM CDT | Tornado Warning | TSA | Osage, Pawnee | 51 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, 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
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.