Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 136, NWS Tulsa, OK

April 26, 1998Choctaw County, Pushmataha County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Apr 26, 1998, 8:33 PM CDT for Choctaw County, Pushmataha County, Oklahoma. It was in force for 72 min. 3 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
Apr 26, 1998, 8:33 PM CDT (01:33 UTC)
Expired
Apr 26, 1998, 9:45 PM CDT
In force
72 min
Issued by
NWS Tulsa, OK
Area
Whole counties

Counties Choctaw County, OK, Pushmataha County, OK

The radar

The Western Arkansas radar (KSRX), 156 km from the middle of the area, began a volume at 01:36 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

TimeReportWhereRemark
Apr 26, 8:48 PM CDTThunderstorm WindBoswell, OKThunderstorm winds caused a tree to fall on a mobile home and a vehicle parked near the mobile home in Boswell. The Dodson Feed Store in Boswell had its roof torn away by the high winds. Countywide, the winds knocked down numerous trees and caused power outa
Apr 26, 9:30 PM CDTThunderstorm WindFt Towson, OKSeveral trees blown down
Apr 26, 9:45 PM CDTThunderstorm WindNashoba, OKA few large tree limbs 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 nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 1.6 hours before the alert went out and 209 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-pSkew-T log-p diagram, Norman, OK at 00:00Z on 1998-04-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Norman, OK at 00:00Z on 1998-04-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 264 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
542 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
264 m²/s²
0-3 km storm-relative helicity
297 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 Apr 26, 4:19 PM CDT, 4 hours 14 minutes earlier.

Area forecast discussion, Apr 26, 4:19 PM CDT, 4 hours 14 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Apr 26, 9:25 PM CDTSevere Thunderstorm WarningTSALatimer, Pittsburg50 min
Apr 26, 9:42 PM CDTSevere Thunderstorm WarningTSALeFlore, Pushmataha48 min
Apr 26, 9:46 PM CDTSevere Thunderstorm WarningTSAHaskell, Pittsburg44 min
Apr 26, 10:30 PM CDTSevere Thunderstorm WarningTSALeFlore30 min
Apr 27, 5:29 AM CDTFlash Flood WarningTSACreek, Osage, Pawnee, Tulsa2 hr
Apr 27, 7:35 AM CDTFlash Flood WarningTSACreek, Osage, Pawnee, Tulsa3 hr

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; radar from the NEXRAD Level II archive.