Alert archive / Arkansas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 297, NWS Tulsa, OK

June 10, 1998LeFlore County, Oklahoma; Crawford County, Sebastian County, Arkansas

NWS Tulsa, OK issued this severe thunderstorm warning at Jun 10, 1998, 2:41 AM CDT for LeFlore County, Oklahoma; Crawford County, Sebastian County, Arkansas. It was in force for 49 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 10, 1998, 2:41 AM CDT (07:41 UTC)
Expired: Jun 10, 1998, 3:30 AM CDT
In force: 49 min
Issued by: NWS Tulsa, OK
Area: Whole counties

Counties Crawford County, AR, Sebastian County, AR, LeFlore County, OK

What was reported inside it

Time	Report	Where	Remark
Jun 10, 3:00 AM CDT	Thunderstorm Wind	Ft Smith, AR	Several trees and power lines were blown down across town between 300 and 315 AM CDT.
Jun 10, 3:20 AM CDT	Thunderstorm Wind	Van Buren, AR	A large tree limb was knocked down by thunderstorm winds.

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, 7.7 hours before the alert went out and 194 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: 2845 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 988 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 66 m²/s²
0-3 km storm-relative helicity: 141 m²/s²
Significant tornado parameter: 1.3
Supercell composite: 6.7

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 9, 10:45 PM CDT, 3 hours 56 minutes earlier.

Area forecast discussion, Jun 9, 10:45 PM CDT, 3 hours 56 minutes before

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In the hours before

Special weather statement, Jun 9, 11:58 PM CDT, 2 hours 43 minutes before

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Special weather statement, Jun 9, 11:58 PM CDT, 2 hours 43 minutes before

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Special weather statement, Jun 10, 12:02 AM CDT, 2 hours 39 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 9, 8:37 PM CDT	Severe Thunderstorm Warning	TSA	Choctaw, Pushmataha	68 min
Jun 9, 9:31 PM CDT	Severe Thunderstorm Warning	TSA	Choctaw, Pushmataha	59 min
Jun 9, 9:31 PM CDT	Severe Thunderstorm Warning	TSA	Latimer, Pittsburg	59 min
Jun 9, 9:47 PM CDT	Severe Thunderstorm Warning	TSA	LeFlore	73 min
Jun 10, 4:00 PM CDT	Severe Thunderstorm Warning	TSA	Okfuskee	45 min
Jun 10, 5:04 PM CDT	Severe Thunderstorm Warning	TSA	Tulsa, Wagoner	56 min
Jun 10, 5:24 PM CDT	Severe Thunderstorm Warning	TSA	Mayes, Rogers	51 min
Jun 10, 5:39 PM CDT	Severe Thunderstorm Warning	TSA	Cherokee	51 min
Jun 9, 10:25 PM CDT	Severe Thunderstorm Warning	TSA	Franklin	65 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 1998 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.