Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 263, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Aug 24, 2002, 10:09 PM CDT for Osage County, Pawnee County, Oklahoma. It was in force for 81 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
- Aug 24, 2002, 10:09 PM CDT (03:09 UTC)
- Expired
- Aug 24, 2002, 11:30 PM CDT
- In force
- 81 min
- Issued by
- NWS Tulsa, OK
- Area
- Counties, with a storm outline in the text
Counties Osage County, OK, Pawnee County, OK
The radar
The Tulsa radar (KINX), 94 km from the middle of the area, began a volume at 03:08 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 |
|---|---|---|---|
| Aug 24, 10:30 PM CDT | Hail 0.88 | Skedee, OK | |
| Aug 24, 11:10 PM CDT | Thunderstorm Wind 52 E | Osage, OK | Thunderstorm winds estimated at 60 miles an hour blew some shingles off a building and also blew down several large tree limbs. |
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
Lamont, OK (KLMN), launched 00:00Z, 3.2 hours before the alert went out and 85 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
- 1819 J/kg
- Mixed-layer CIN
- -102 J/kg
- Mixed-layer LCL
- 1025 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 119 m²/s²
- 0-3 km storm-relative helicity
- 324 m²/s²
- Significant tornado parameter
- 2.0
- Supercell composite
- 19.2
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 24, 11:14 PM CDT | Severe Thunderstorm Warning | TSA | Rogers, Washington | 46 min |
| Aug 24, 11:19 PM CDT | Severe Thunderstorm Warning | TSA | Creek | 41 min |
| Aug 24, 11:59 PM CDT | Severe Thunderstorm Warning | TSA | Creek | 46 min |
| Aug 25, 12:02 AM CDT | Severe Thunderstorm Warning | TSA | Mayes | 43 min |
| Aug 25, 12:56 AM CDT | Severe Thunderstorm Warning | TSA | Creek | 49 min |
| Aug 25, 1:32 AM CDT | Severe Thunderstorm Warning | TSA | Creek, Okfuskee | 43 min |
| Aug 25, 2:02 AM CDT | Severe Thunderstorm Warning | TSA | Crawford | 43 min |
| Aug 25, 2:17 AM CDT | Severe Thunderstorm Warning | TSA | Sebastian | 43 min |
| Aug 25, 2:25 AM CDT | Severe Thunderstorm Warning | TSA | Franklin | 35 min |
| Aug 25, 2:50 AM CDT | Severe Thunderstorm Warning | TSA | Franklin, Sebastian | 40 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 2002Every severe thunderstorm warning in 2002
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.