Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 205, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Jul 10, 2002, 6:39 PM CDT for Mayes County, Rogers County, Oklahoma. It was in force for 36 min. 4 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
- Jul 10, 2002, 6:39 PM CDT (23:39 UTC)
- Expired
- Jul 10, 2002, 7:15 PM CDT
- In force
- 36 min
- Issued by
- NWS Tulsa, OK
- Area
- Counties, with a storm outline in the text
Counties Mayes County, OK, Rogers County, OK
The radar
The Tulsa radar (KINX), 22 km from the middle of the area, began a volume at 23:40 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 |
|---|---|---|---|
| Jul 10, 6:55 PM CDT | Thunderstorm Wind 52 E | Spavinaw, OK | Thunderstorm winds estimated at 60 miles an hour blew down large tree limbs. |
| Jul 10, 7:05 PM CDT | Thunderstorm Wind 61 E | Claremore, OK | Thunderstorm winds estimated at 70 miles an hour blew trees and power lines down. |
| Jul 10, 7:14 PM CDT | Thunderstorm Wind 61 E | Verdigris, OK | Thunderstorm winds estimated at 70 miles an hour blew trees down and also blew the shutters off a house. |
| Jul 10, 7:20 PM CDT | Thunderstorm Wind 52 E | Pryor, OK |
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 12:00Z, 11.7 hours before the alert went out and 157 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
- 1804 J/kg
- Mixed-layer CIN
- -56 J/kg
- Mixed-layer LCL
- 1268 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- 6 m²/s²
- 0-3 km storm-relative helicity
- 43 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Jul 10, 3:00 PM CDT, 3 hours 39 minutes earlier.
Area forecast discussion, Jul 10, 3:00 PM CDT, 3 hours 39 minutes before
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Special weather statement, Jul 10, 1:45 PM CDT, 4 hours 54 minutes before
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</html>The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 10, 6:56 PM CDT | Severe Thunderstorm Warning | TSA | Tulsa | 34 min |
| Jul 10, 6:59 PM CDT | Severe Thunderstorm Warning | TSA | Delaware | 46 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.