Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 486, NWS Tulsa, OK

November 9, 1998Choctaw County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Nov 9, 1998, 11:17 PM CST for Choctaw County, Oklahoma. It was in force for 58 min. 2 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: Nov 9, 1998, 11:17 PM CST (05:17 UTC)
Expired: Nov 10, 1998, 12:15 AM CST
In force: 58 min
Issued by: NWS Tulsa, OK
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Choctaw County, OK

The radar

The Western Arkansas radar (KSRX), 177 km from the middle of the area, began a volume at 05:20 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.

What was reported inside it

Time	Report	Where	Remark
Nov 10, 12:10 AM CST	Thunderstorm Wind	Hugo, OK	Several power lines were blown down.
Nov 10, 12:15 AM CST	Thunderstorm Wind	Hugo, OK	A large sign was blown down; large tree limbs were blown down; telephone lines 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 watch it was issued in

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

Issued	Product	Office	Lasted
Nov 9, 11:00 PM CST	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 5.3 hours before the alert went out and 206 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: 1298 J/kg
Mixed-layer CIN: -106 J/kg
Mixed-layer LCL: 834 m above ground
0-6 km bulk shear: 89 kt
0-1 km storm-relative helicity: 359 m²/s²
0-3 km storm-relative helicity: 378 m²/s²
Significant tornado parameter: 2.0
Supercell composite: 4.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KTUL 100517 RRA
SVRTUL
OKC023-100615-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
1117 PM CST MON NOV 9 1998

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR
     CHOCTAW COUNTY IN SOUTHEAST OKLAHOMA

* UNTIL 1215 AM CST

* AT 1116 PM CST SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE 
  EXTENDING FROM 25 MILES SOUTHWEST OF BOSWELL TO 10 MILES 
  NORTHWEST OF BOSWELL...MOVING EAST AT 40 MILES PER HOUR.

* SOME LOCATIONS AFFECTED INCLUDE... BOSWELL AND HUGO

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

LAT...LON 3415 9595 3392 9593 3397 9511 3420 9517

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 Nov 9, 8:00 PM CST, 3 hours 17 minutes earlier.

Area forecast discussion, Nov 9, 8:00 PM CST, 3 hours 17 minutes before

EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
800 PM CST MON NOV 9 1998

SQUALL LINE WILL ENTER NW ZONES WITHIN THE HOUR AND EXPECT
IT TO CONTINUE ACROSS ALL OF THE AREA. GOING FORECAST LOOKS
OK AND WILL NOT UPDATE PRIOR TO 10 PM. WILL UPDATE ZONES
AS LINE OF STORMS CLEARS...LIKELY AROUND MIDNIGHT.
WIND ADVISORY LOOKS GOOD. /13

.TUL...
OK...WIND ADVISORY FOR TONIGHT FOR ZONES OKZ049...OKZ053>077.

AR...WIND ADVISORY FOR TONIGHT FOR ZONES ARZ001>002...ARZ010>011...
ARZ019>020...ARZ029.

In the hours before

Local storm report, Nov 9, 10:30 PM CST, 47 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1030 PM CST MON NOV 09 1998

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

0937 PM    4 W JENNINGS              OK   80 MPH TSTM GUST
11/09/98   PAWNEE

1022 PM    TULSA                     OK   65 MPH TSTM GUST
11/09/98   TULSA                          WIND GUST TO 65 MPH
                                          REPORTED 1 MILE NORTH OF
                                          DOWNTOWN TULSA

Local storm report, Nov 9, 10:31 PM CST, 46 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1031 PM CST MON NOV 09 1998

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

1022 PM    2 NW TULSA                OK   65 MPH TSTM GUST
11/09/98   OSAGE                          WIND GUST TO 65 2
                                          NORTHWEST OF DOWNTOWN
                                          TULSA

Local storm report, Nov 9, 10:33 PM CST, 44 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1033 PM CST MON NOV 09 1998

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

1030 PM    TULSA                     OK   70 MPH TSTM GUST
11/09/98   TULSA                          WIND GUST TO 70 MPH AT
                                          61ST STREET AND MEMORIAL
                                          DRIVE IN TULSA

Local storm report, Nov 9, 10:42 PM CST, 35 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1042 PM CST MON NOV 09 1998

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

1040 PM    NOWATA                    OK   60 MPH TSTM GUST
11/09/98   NOWATA

Local storm report, Nov 9, 11:06 PM CST, 11 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1106 PM CST MON NOV 09 1998

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

1030 PM    WELEETKA                  OK   WIND DAMAGE
11/09/98   OKFUSKEE                       SEVERAL LARGE TREE LIMBS
                                          DOWN

1055 PM    CHELSEA                   OK   60 MPH TSTM GUST
11/09/98   ROGERS

Local storm report, Nov 9, 11:17 PM CST, 0 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1117 PM CST MON NOV 09 1998

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

1100 PM    BIG CABIN                 OK   60 MPH TSTM GUST
11/09/98   CRAIG

1113 PM    MUSKOGEE                  OK   60 MPH TSTM GUST
11/09/98   MUSKOGEE

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 9, 8:08 PM CST	Severe Thunderstorm Warning	TSA	Osage, Pawnee	52 min
Nov 9, 8:54 PM CST	Severe Thunderstorm Warning	TSA	Osage, Pawnee	66 min
Nov 9, 9:35 PM CST	Severe Thunderstorm Warning	TSA	Creek, Osage, Pawnee, Tulsa	55 min
Nov 9, 9:35 PM CST	Severe Thunderstorm Warning	TSA	Washington	55 min
Nov 9, 9:54 PM CST	Severe Thunderstorm Warning	TSA	Okfuskee	51 min
Nov 9, 9:59 PM CST	Severe Thunderstorm Warning	TSA	Nowata	46 min
Nov 9, 10:21 PM CST	Severe Thunderstorm Warning	TSA	Craig, Nowata, Rogers	54 min
Nov 9, 10:21 PM CST	Severe Thunderstorm Warning	TSA	Okfuskee, Okmulgee	54 min
Nov 9, 10:21 PM CST	Severe Thunderstorm Warning	TSA	Muskogee, Tulsa, Wagoner	54 min
Nov 9, 10:31 PM CST	Severe Thunderstorm Warning	TSA	McIntosh, Pittsburg	59 min
Nov 9, 10:48 PM CST	Severe Thunderstorm Warning	TSA	Mayes	27 min
Nov 9, 11:09 PM CST	Severe Thunderstorm Warning	TSA	Haskell, Muskogee	51 min
Nov 9, 11:09 PM CST	Severe Thunderstorm Warning	TSA	Latimer, Pushmataha	51 min
Nov 9, 11:20 PM CST	Severe Thunderstorm Warning	TSA	Adair, Cherokee, Delaware	25 min
Nov 9, 11:20 PM CST	Severe Thunderstorm Warning	TSA	Ottawa	25 min
Nov 9, 11:20 PM CST	Tornado Warning	TSA	Latimer, Pittsburg	40 min
Nov 9, 11:36 PM CST	Severe Thunderstorm Warning	TSA	LeFlore, Sequoyah	39 min
Nov 9, 11:39 PM CST	Severe Thunderstorm Warning	TSA	Delaware, Ottawa	51 min
Nov 9, 11:39 PM CST	Severe Thunderstorm Warning	TSA	Adair	51 min
Nov 9, 11:39 PM CST	Severe Thunderstorm Warning	TSA	Cherokee	51 min
Nov 9, 11:52 PM CST	Tornado Warning	TSA	Haskell, Sequoyah	38 min
Nov 9, 11:54 PM CST	Tornado Warning	TSA	Latimer, LeFlore	36 min
Nov 9, 11:59 PM CST	Tornado Warning	TSA	Haskell	31 min
Nov 10, 12:08 AM CST	Severe Thunderstorm Warning	TSA	Choctaw, Pushmataha	37 min
Nov 10, 12:15 AM CST	Tornado Warning	TSA	LeFlore	45 min
Nov 10, 12:22 AM CST	Tornado Warning	TSA	Adair, Sequoyah	38 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 1998 Every 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; radar from the NEXRAD Level II archive.