Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 350, NWS Tulsa, OK

June 19, 1998LeFlore County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Jun 19, 1998, 2:11 AM CDT for LeFlore County, Oklahoma. It was in force for 64 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Jun 19, 1998, 2:11 AM CDT (07:11 UTC)
Expired: Jun 19, 1998, 3:15 AM CDT
In force: 64 min
Issued by: NWS Tulsa, OK
Area: Whole counties

County LeFlore County, OK

What was reported inside it

Time	Report	Where	Remark
Jun 19, 2:36 AM CDT	Thunderstorm Wind 75	Wister, OK
Jun 19, 2:45 AM CDT	Thunderstorm Wind	Poteau, OK	A large tree was blown onto a residence on Mockingbird Lane. One of the larger branches tore through a bedroom wall, narrowly missing the bed. Termites or ants had apparently been inside the tree for some time and the large tree was rotted from the inside.

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 00:00Z, 7.2 hours before the alert went out and 237 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: 3542 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 1049 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 126 m²/s²
0-3 km storm-relative helicity: 144 m²/s²
Significant tornado parameter: 2.1
Supercell composite: 12.4

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 18, 8:00 PM CDT, 6 hours 11 minutes earlier.

Area forecast discussion, Jun 18, 8:00 PM CDT, 6 hours 11 minutes before

FPUS3 KTUL 190057
AFDTUL

EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
800 PM CDT THU JUN 18 1998

WILL UPDATE ZONES SHORTLY TO ADJUST 1ST PERIOD POPS FOR CURRENT
TRENDS. COLD FRONT/DRYLINE NOW STARTING TO RETREAT SLIGHTLY BACK TO
THE WEST SO WILL ALSO ADJUST WINDS AND MIN TEMPS TONIGHT FOR THESE
TRENDS. ALSO ADDED SOME CLOUDS WHERE POPS ARE MENTIONED FRIDAY NIGHT.
HAVE NOT LOOKED AT MUCH ELSE SO WILL SAVE ANY OTHER CHANGES UNTIL
LATER.

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

PLATE

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 18, 7:11 PM CDT	Severe Thunderstorm Warning	TSA	Cherokee	64 min
Jun 18, 7:15 PM CDT	Tornado Warning	TSA	Muskogee, Wagoner	30 min
Jun 18, 7:23 PM CDT	Severe Thunderstorm Warning	TSA	Ottawa	37 min
Jun 18, 7:33 PM CDT	Tornado Warning	TSA	Cherokee	42 min
Jun 18, 7:36 PM CDT	Tornado Warning	TSA	McIntosh, Okmulgee	39 min
Jun 18, 7:44 PM CDT	Severe Thunderstorm Warning	TSA	Muskogee	61 min
Jun 18, 7:49 PM CDT	Severe Thunderstorm Warning	TSA	Pittsburg	56 min
Jun 18, 7:54 PM CDT	Severe Thunderstorm Warning	TSA	Okfuskee	51 min
Jun 18, 8:14 PM CDT	Tornado Warning	TSA	McIntosh	46 min
Jun 18, 8:19 PM CDT	Severe Thunderstorm Warning	TSA	Latimer	56 min
Jun 18, 8:40 PM CDT	Tornado Warning	TSA	Haskell, Pittsburg	50 min
Jun 18, 8:53 PM CDT	Tornado Warning	TSA	Latimer	37 min
Jun 18, 9:05 PM CDT	Severe Thunderstorm Warning	TSA	Haskell, Pittsburg	55 min
Jun 18, 9:08 PM CDT	Severe Thunderstorm Warning	TSA	Sequoyah	37 min
Jun 18, 9:12 PM CDT	Severe Thunderstorm Warning	TSA	LeFlore, Pushmataha	63 min
Jun 18, 9:31 PM CDT	Tornado Warning	TSA	Latimer	44 min
Jun 18, 9:34 PM CDT	Flash Flood Warning	TSA	Latimer	2 hr
Jun 18, 9:42 PM CDT	Tornado Warning	TSA	Sequoyah	48 min
Jun 18, 10:07 PM CDT	Tornado Warning	TSA	LeFlore	38 min
Jun 18, 10:14 PM CDT	Severe Thunderstorm Warning	TSA	Pushmataha	61 min
Jun 18, 10:20 PM CDT	Severe Thunderstorm Warning	TSA	Pittsburg	40 min
Jun 18, 10:22 PM CDT	Severe Thunderstorm Warning	TSA	Latimer	38 min
Jun 18, 10:25 PM CDT	Tornado Warning	TSA	Pittsburg	50 min
Jun 18, 10:56 PM CDT	Tornado Warning	TSA	Latimer	49 min
Jun 18, 11:17 PM CDT	Severe Thunderstorm Warning	TSA	Pittsburg	43 min
Jun 18, 11:23 PM CDT	Severe Thunderstorm Warning	TSA	Okmulgee	37 min
Jun 18, 11:24 PM CDT	Tornado Warning	TSA	Pushmataha	51 min
Jun 18, 11:26 PM CDT	Severe Thunderstorm Warning	TSA	McIntosh	49 min
Jun 18, 11:41 PM CDT	Severe Thunderstorm Warning	TSA	LeFlore	64 min
Jun 18, 11:50 PM CDT	Flash Flood Warning	TSA	Latimer	100 min
Jun 18, 11:55 PM CDT	Severe Thunderstorm Warning	TSA	Latimer	35 min
Jun 19, 12:07 AM CDT	Severe Thunderstorm Warning	TSA	Haskell	53 min
Jun 19, 12:44 AM CDT	Severe Thunderstorm Warning	TSA	LeFlore	46 min
Jun 19, 1:06 AM CDT	Severe Thunderstorm Warning	TSA	Haskell	54 min
Jun 19, 1:29 AM CDT	Severe Thunderstorm Warning	TSA	Latimer, Pittsburg	61 min
Jun 19, 1:59 AM CDT	Severe Thunderstorm Warning	TSA	Haskell	31 min
Jun 18, 9:19 PM CDT	Severe Thunderstorm Warning	TSA	Crawford, Sebastian	56 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.